From 69ff0b5709d0d06545fcb2d08c7645b56d3687dd Mon Sep 17 00:00:00 2001 From: Dominik Sliwa Date: Fri, 22 Dec 2017 12:07:34 +0000 Subject: backports: bluetooth: Support 4.9 kernels Signed-off-by: Dominik Sliwa --- Kconfig.local | 3 + Kconfig.sources | 1 + Makefile.kernel | 1 + backport-include/crypto/skcipher.h | 99 ++ backport-include/linux/kernel.h | 4 + backport-include/linux/kref.h | 13 + backport-include/linux/of_device.h | 5 + backport-include/linux/skbuff.h | 17 + backport-include/linux/string.h | 4 + backport-include/linux/uio.h | 11 + backport-include/net/sock.h | 10 + backport-include/uapi/linux/cryptouser.h | 12 + compat/Kconfig | 12 + compat/Makefile | 3 + compat/backport-4.0.c | 33 + compat/backport-4.10.c | 37 + compat/backport-4.12.c | 22 + compat/backport-4.4.c | 11 + compat/crypto-kpp.c | 128 ++ compat/crypto-skcipher.c | 35 +- compat/lib-iov_iter.c | 1423 +++++++++++++++++++ drivers/bluetooth/Makefile | 2 +- drivers/bluetooth/btmrvl_sdio.c | 4 + drivers/tty/Makefile | 2 + drivers/tty/serdev/Kconfig | 25 + drivers/tty/serdev/Makefile | 5 + drivers/tty/serdev/core.c | 646 +++++++++ drivers/tty/serdev/serdev-ttyport.c | 320 +++++ include/crypto/backport-kpp.h | 350 +++++ include/crypto/internal/backport-kpp.h | 64 + include/linux/serdev.h | 336 +++++ include/net/bluetooth/.hci_core.h.kate-swp | Bin 0 -> 116 bytes include/net/bluetooth/.rfcomm.h.kate-swp | Bin 0 -> 81 bytes include/net/bluetooth/bluetooth.h | 416 ++++++ include/net/bluetooth/hci.h | 2032 ++++++++++++++++++++++++++++ include/net/bluetooth/hci_core.h | 1545 +++++++++++++++++++++ include/net/bluetooth/hci_mon.h | 67 + include/net/bluetooth/hci_sock.h | 176 +++ include/net/bluetooth/l2cap.h | 951 +++++++++++++ include/net/bluetooth/mgmt.h | 826 +++++++++++ include/net/bluetooth/rfcomm.h | 376 +++++ include/net/bluetooth/sco.h | 49 + local-symbols | 1 + net/bluetooth/Kconfig | 3 +- net/bluetooth/a2mp.c | 4 +- net/bluetooth/af_bluetooth.c | 8 +- net/bluetooth/ecdh_helper.c | 3 + net/bluetooth/hci_sock.c | 6 +- net/bluetooth/l2cap_core.c | 38 +- net/bluetooth/l2cap_sock.c | 19 +- net/bluetooth/rfcomm/core.c | 4 +- net/bluetooth/rfcomm/sock.c | 11 +- net/bluetooth/sco.c | 12 +- 53 files changed, 10169 insertions(+), 16 deletions(-) create mode 100644 backport-include/linux/kref.h create mode 100644 backport-include/linux/uio.h create mode 100644 backport-include/uapi/linux/cryptouser.h create mode 100644 compat/crypto-kpp.c create mode 100644 compat/lib-iov_iter.c create mode 100644 drivers/tty/Makefile create mode 100644 drivers/tty/serdev/Kconfig create mode 100644 drivers/tty/serdev/Makefile create mode 100644 drivers/tty/serdev/core.c create mode 100644 drivers/tty/serdev/serdev-ttyport.c create mode 100644 include/crypto/backport-kpp.h create mode 100644 include/crypto/internal/backport-kpp.h create mode 100644 include/linux/serdev.h create mode 100644 include/net/bluetooth/.hci_core.h.kate-swp create mode 100644 include/net/bluetooth/.rfcomm.h.kate-swp create mode 100644 include/net/bluetooth/bluetooth.h create mode 100644 include/net/bluetooth/hci.h create mode 100644 include/net/bluetooth/hci_core.h create mode 100644 include/net/bluetooth/hci_mon.h create mode 100644 include/net/bluetooth/hci_sock.h create mode 100644 include/net/bluetooth/l2cap.h create mode 100644 include/net/bluetooth/mgmt.h create mode 100644 include/net/bluetooth/rfcomm.h create mode 100644 include/net/bluetooth/sco.h diff --git a/Kconfig.local b/Kconfig.local index 3bc0ad2..6ac6651 100644 --- a/Kconfig.local +++ b/Kconfig.local @@ -1606,3 +1606,6 @@ config BACKPORTED_R8822BE config BACKPORTED_RTLWIFI_DEBUG_ST tristate default RTLWIFI_DEBUG_ST +config BACKPORTED_SERIAL_DEV_BUS + tristate + default SERIAL_DEV_BUS diff --git a/Kconfig.sources b/Kconfig.sources index 9ad83db..373876e 100644 --- a/Kconfig.sources +++ b/Kconfig.sources @@ -8,6 +8,7 @@ source "$BACKPORT_DIR/net/bluetooth/Kconfig" source "$BACKPORT_DIR/drivers/net/wireless/Kconfig" #source "$BACKPORT_DIR/drivers/net/ethernet/Kconfig" source "$BACKPORT_DIR/drivers/net/usb/Kconfig" +source "$BACKPORT_DIR/drivers/tty/serdev/Kconfig" source "$BACKPORT_DIR/drivers/ssb/Kconfig" source "$BACKPORT_DIR/drivers/bcma/Kconfig" diff --git a/Makefile.kernel b/Makefile.kernel index 1163019..7b4164d 100644 --- a/Makefile.kernel +++ b/Makefile.kernel @@ -48,6 +48,7 @@ obj-$(CPTCFG_BCMA) += drivers/bcma/ obj-$(CPTCFG_USB_NET_RNDIS_WLAN) += drivers/net/usb/ obj-$(CPTCFG_NFC) += net/nfc/ obj-$(CPTCFG_NFC) += drivers/nfc/ +obj-$(CPTCFG_SERIAL_DEV_BUS) += drivers/tty/serdev/ #obj-$(CPTCFG_MEDIA_SUPPORT) += drivers/media/ obj-$(CPTCFG_USB_WDM) += drivers/usb/class/ diff --git a/backport-include/crypto/skcipher.h b/backport-include/crypto/skcipher.h index 73ba783..900c359 100644 --- a/backport-include/crypto/skcipher.h +++ b/backport-include/crypto/skcipher.h @@ -441,6 +441,105 @@ static inline void skcipher_request_set_crypt( } #endif /* < 4.3 */ +#if LINUX_VERSION_IS_LESS(4,8,0) +#define skcipher_walk LINUX_BACKPORT(skcipher_walk) +struct skcipher_walk { + union { + struct { + struct page *page; + unsigned long offset; + } phys; + + struct { + u8 *page; + void *addr; + } virt; + } src, dst; + + struct scatter_walk in; + unsigned int nbytes; + + struct scatter_walk out; + unsigned int total; + + struct list_head buffers; + + u8 *page; + u8 *buffer; + u8 *oiv; + void *iv; + + unsigned int ivsize; + + int flags; + unsigned int blocksize; + unsigned int stride; + unsigned int alignmask; +}; + +struct skcipher_alg { + int (*setkey)(struct crypto_skcipher *tfm, const u8 *key, + unsigned int keylen); + int (*encrypt)(struct skcipher_request *req); + int (*decrypt)(struct skcipher_request *req); + int (*init)(struct crypto_skcipher *tfm); + void (*exit)(struct crypto_skcipher *tfm); + + unsigned int min_keysize; + unsigned int max_keysize; + unsigned int ivsize; + unsigned int chunksize; + unsigned int walksize; + + struct crypto_alg base; +}; + +struct skcipher_instance { + void (*free)(struct skcipher_instance *inst); + union { + struct { + char head[offsetof(struct skcipher_alg, base)]; + struct crypto_instance base; + } s; + struct skcipher_alg alg; + }; +}; + +static inline unsigned int crypto_skcipher_alg_walksize( + struct skcipher_alg *alg) +{ + if ((alg->base.cra_flags & CRYPTO_ALG_TYPE_MASK) == + CRYPTO_ALG_TYPE_BLKCIPHER) + return alg->base.cra_blocksize; + + if (alg->base.cra_ablkcipher.encrypt) + return alg->base.cra_blocksize; + + return alg->walksize; +} + +static inline struct skcipher_alg *crypto_skcipher_alg( + struct crypto_skcipher *tfm) +{ + return container_of(crypto_skcipher_tfm(tfm)->__crt_alg, + struct skcipher_alg, base); +} + +static inline unsigned int crypto_skcipher_walksize( + struct crypto_skcipher *tfm) +{ + return crypto_skcipher_alg_walksize(crypto_skcipher_alg(tfm)); +} + +static inline struct crypto_instance *skcipher_crypto_instance( + struct skcipher_instance *inst) +{ + return &inst->s.base; +} + +#define CRYPTO_ALG_TYPE_SKCIPHER CRYPTO_ALG_TYPE_ABLKCIPHER +#endif /* < 4.8 */ + #if LINUX_VERSION_IS_LESS(4,6,0) #define skcipher_request_zero LINUX_BACKPORT(skcipher_request_zero) static inline void skcipher_request_zero(struct skcipher_request *req) diff --git a/backport-include/linux/kernel.h b/backport-include/linux/kernel.h index 332f153..c5f9216 100644 --- a/backport-include/linux/kernel.h +++ b/backport-include/linux/kernel.h @@ -209,6 +209,10 @@ int __must_check kstrtobool_from_user(const char __user *s, size_t count, bool * #endif +#if LINUX_VERSION_IS_LESS(4,5,0) +const char *kvasprintf_const(gfp_t gfp, const char *fmt, va_list args); +#endif /* < 4.4 */ + #if LINUX_VERSION_IS_LESS(3,14,0) static inline u32 reciprocal_scale(u32 val, u32 ep_ro) { diff --git a/backport-include/linux/kref.h b/backport-include/linux/kref.h new file mode 100644 index 0000000..631488f --- /dev/null +++ b/backport-include/linux/kref.h @@ -0,0 +1,13 @@ +#ifndef __BACKPORT_LINUX_KREF_H +#define __BACKPORT_LINUX_KREF_H +#include_next + +#if LINUX_VERSION_IS_LESS(4,11,0) +#include +static inline unsigned int kref_read(const struct kref *kref) +{ + return refcount_read((const refcount_t *)&kref->refcount); +} +#endif /* < 4.11 */ + +#endif /* __BACKPORT_LINUX_KREF_H */ diff --git a/backport-include/linux/of_device.h b/backport-include/linux/of_device.h index 951b253..9f621c6 100644 --- a/backport-include/linux/of_device.h +++ b/backport-include/linux/of_device.h @@ -3,6 +3,11 @@ #include_next #include + +#if LINUX_VERSION_IS_LESS(4,12,0) +ssize_t bp_of_device_modalias(struct device *dev, char *str, ssize_t len); +#define of_device_modalias bp_of_device_modalias +#endif #if LINUX_VERSION_IS_LESS(4,1,0) static inline void of_dma_configure(struct device *dev, struct device_node *np) {} diff --git a/backport-include/linux/skbuff.h b/backport-include/linux/skbuff.h index 034206b..af40b8d 100644 --- a/backport-include/linux/skbuff.h +++ b/backport-include/linux/skbuff.h @@ -371,6 +371,23 @@ static inline void skb_put_u8(struct sk_buff *skb, u8 val) { *(u8 *)skb_put(skb, 1) = val; } + +static inline void *__skb_put_zero(struct sk_buff *skb, unsigned int len) +{ + void *tmp = __skb_put(skb, len); + + memset(tmp, 0, len); + return tmp; +} + +static inline void *__skb_put_data(struct sk_buff *skb, const void *data, + unsigned int len) +{ + void *tmp = __skb_put(skb, len); + + memcpy(tmp, data, len); + return tmp; +} #endif #endif /* __BACKPORT_SKBUFF_H */ diff --git a/backport-include/linux/string.h b/backport-include/linux/string.h index b85d9c7..b1d26d1 100644 --- a/backport-include/linux/string.h +++ b/backport-include/linux/string.h @@ -29,4 +29,8 @@ void memzero_explicit(void *s, size_t count); ssize_t strscpy(char *dest, const char *src, size_t count); #endif +#if LINUX_VERSION_IS_LESS(4,0,0) +extern void kfree_const(const void *x); +extern const char *kstrdup_const(const char *s, gfp_t gfp); +#endif #endif /* __BACKPORT_LINUX_STRING_H */ diff --git a/backport-include/linux/uio.h b/backport-include/linux/uio.h new file mode 100644 index 0000000..11194c9 --- /dev/null +++ b/backport-include/linux/uio.h @@ -0,0 +1,11 @@ +#ifndef _BP_LINUX_UIO_H +#define _BP_LINUX_UIO_H +#include_next + +#if LINUX_VERSION_IS_LESS(3,16,0) +#include +#endif + +bool _copy_from_iter_full(void *addr, size_t bytes, struct iov_iter *i); + +#endif /* _BP_LINUX_UIO_H */ diff --git a/backport-include/net/sock.h b/backport-include/net/sock.h index 39bf008..cc037cf 100644 --- a/backport-include/net/sock.h +++ b/backport-include/net/sock.h @@ -75,4 +75,14 @@ static inline void sk_pacing_shift_update(struct sock *sk, int val) } #endif /* < 4.16 */ +#if LINUX_VERSION_IS_LESS(4,7,0) +/* no reclassification while locks are held */ +static inline bool sock_allow_reclassification(const struct sock *csk) +{ + struct sock *sk = (struct sock *)csk; + + return !sk->sk_lock.owned && !spin_is_locked(&sk->sk_lock.slock); +} +#endif /* < 4.7 */ + #endif /* __BACKPORT_NET_SOCK_H */ diff --git a/backport-include/uapi/linux/cryptouser.h b/backport-include/uapi/linux/cryptouser.h new file mode 100644 index 0000000..ea4a9a5 --- /dev/null +++ b/backport-include/uapi/linux/cryptouser.h @@ -0,0 +1,12 @@ +#ifndef __BACKPORT_LINUX_CRYPTOUSER_H +#define __BACKPORT_LINUX_CRYPTOUSER_H +#include_next +#include + +#if LINUX_VERSION_IS_LESS(4,8,0) +struct crypto_report_kpp { + char type[CRYPTO_MAX_NAME]; +}; +#endif /* < 4.8 */ + +#endif diff --git a/compat/Kconfig b/compat/Kconfig index f28b24c..1660136 100644 --- a/compat/Kconfig +++ b/compat/Kconfig @@ -113,6 +113,12 @@ config BPAUTO_CRYPTO_SKCIPHER #c-file crypto/skcipher.c #module-name skcipher +config BPAUTO_CRYPTO_KPP2 + tristate + depends on m + depends on KERNEL_4_7 + default y if BACKPORTED_BT + config BPAUTO_WANT_DEV_COREDUMP bool @@ -175,6 +181,12 @@ config BPAUTO_REFCOUNT #h-file linux/refcount.h #c-file lib/refcount.c +config BPAUTO_IOV_ITER + bool + default y + depends on !KERNEL_4_6 + #c-file lib/iov_iter.c + config BPAUTO_SYSTEM_DATA_VERIFICATION bool diff --git a/compat/Makefile b/compat/Makefile index cabfcdc..d198c2c 100644 --- a/compat/Makefile +++ b/compat/Makefile @@ -60,6 +60,8 @@ compat-$(CPTCFG_BPAUTO_BUILD_SYSTEM_DATA_VERIFICATION) += verification/oid.o compat-$(CPTCFG_BPAUTO_BUILD_SYSTEM_DATA_VERIFICATION) += verification/asn1parse.o compat-$(CPTCFG_BPAUTO_BUILD_SYSTEM_DATA_VERIFICATION) += verification/rsapubkey.asn1.o +kpp-objs += crypto-kpp.o +obj-$(CPTCFG_BPAUTO_CRYPTO_KPP2) += kpp.o $(obj)/lib-oid_registry.o: $(obj)/oid_registry_data.c $(obj)/oid_registry_data.c: $(src)/../include/linux/backport-oid_registry.h \ @@ -76,6 +78,7 @@ compat-$(CPTCFG_BPAUTO_BUILD_WANT_DEV_COREDUMP) += drivers-base-devcoredump.o compat-$(CPTCFG_BPAUTO_RHASHTABLE) += lib-rhashtable.o cordic-objs += lib-cordic.o obj-$(CPTCFG_BPAUTO_BUILD_CORDIC) += cordic.o +compat-$(CPTCFG_BPAUTO_IOV_ITER) += lib-iov_iter.o compat-$(CPTCFG_BPAUTO_PUBLIC_KEY) += compat-$(CPTCFG_BPAUTO_BUCKET_LOCKS) += lib-bucket_locks.o compat-$(CPTCFG_BPAUTO_PKCS7) += diff --git a/compat/backport-4.0.c b/compat/backport-4.0.c index eb95082..7f86c69 100644 --- a/compat/backport-4.0.c +++ b/compat/backport-4.0.c @@ -17,6 +17,7 @@ #include #include #include +#include static __always_inline long __get_user_pages_locked(struct task_struct *tsk, struct mm_struct *mm, @@ -375,3 +376,35 @@ ftrace_print_array_seq(struct trace_seq *p, const void *buf, int buf_len, return ret; } EXPORT_SYMBOL(ftrace_print_array_seq); + +/** + * kfree_const - conditionally free memory + * @x: pointer to the memory + * + * Function calls kfree only if @x is not in .rodata section. + */ +void kfree_const(const void *x) +{ + /* if (!is_kernel_rodata((unsigned long)x)) */ + kfree(x); +} +EXPORT_SYMBOL(kfree_const); + +/* +* kstrdup_const - conditionally duplicate an existing const string +* @s: the string to duplicate +* @gfp: the GFP mask used in the kmalloc() call when allocating memory +* +* Function returns source string if it is in .rodata section otherwise it +* fallbacks to kstrdup. +* Strings allocated by kstrdup_const should be freed by kfree_const. +*/ + +const char *kstrdup_const(const char *s, gfp_t gfp) +{ +/* if (is_kernel_rodata((unsigned long)s)) + * return s; + */ + return kstrdup(s, gfp); +} +EXPORT_SYMBOL(kstrdup_const); diff --git a/compat/backport-4.10.c b/compat/backport-4.10.c index 44e02dd..97d152b 100644 --- a/compat/backport-4.10.c +++ b/compat/backport-4.10.c @@ -251,4 +251,41 @@ int mii_ethtool_get_link_ksettings(struct mii_if_info *mii, return 0; } EXPORT_SYMBOL(mii_ethtool_get_link_ksettings); + +void *kvmalloc_node(size_t size, gfp_t flags, int node) +{ + gfp_t kmalloc_flags = flags; + void *ret; + + /* + * vmalloc uses GFP_KERNEL for some internal allocations (e.g page tables) + * so the given set of flags has to be compatible. + */ + WARN_ON_ONCE((flags & GFP_KERNEL) != GFP_KERNEL); + + /* + * We want to attempt a large physically contiguous block first because + * it is less likely to fragment multiple larger blocks and therefore + * contribute to a long term fragmentation less than vmalloc fallback. + * However make sure that larger requests are not too disruptive - no + * OOM killer and no allocation failure warnings as we have a fallback. + */ + if (size > PAGE_SIZE) { + kmalloc_flags |= __GFP_NOWARN; + kmalloc_flags |= __GFP_NORETRY; + } + + ret = kmalloc_node(size, kmalloc_flags, node); + + /* + * It doesn't really make sense to fallback to vmalloc for sub page + * requests + */ + if (ret || size <= PAGE_SIZE) + return ret; + + return vmalloc(size); +} +EXPORT_SYMBOL(kvmalloc_node); + #endif /* LINUX_VERSION_IS_GEQ(4,6,0) */ diff --git a/compat/backport-4.12.c b/compat/backport-4.12.c index 2c0053f..8f3e5ab 100644 --- a/compat/backport-4.12.c +++ b/compat/backport-4.12.c @@ -3,6 +3,9 @@ */ #include #include +#ifdef CONFIG_OF +#include +#endif enum nlmsgerr_attrs { NLMSGERR_ATTR_UNUSED, @@ -275,3 +278,22 @@ int bp_extack_genl_unregister_family(struct genl_family *family) return 0; } EXPORT_SYMBOL_GPL(bp_extack_genl_unregister_family); + +#ifdef CONFIG_OF +/** + * of_device_modalias - Fill buffer with newline terminated modalias string + */ +ssize_t bp_of_device_modalias(struct device *dev, char *str, ssize_t len) +{ + ssize_t sl = of_device_get_modalias(dev, str, len - 2); + if (sl < 0) + return sl; + if (sl > len - 2) + return -ENOMEM; + + str[sl++] = '\n'; + str[sl] = 0; + return sl; +} +EXPORT_SYMBOL_GPL(bp_of_device_modalias); +#endif diff --git a/compat/backport-4.4.c b/compat/backport-4.4.c index 1c11a20..660d50b 100644 --- a/compat/backport-4.4.c +++ b/compat/backport-4.4.c @@ -152,3 +152,14 @@ void tso_start(struct sk_buff *skb, struct tso_t *tso) } } EXPORT_SYMBOL(tso_start); + +const char *kvasprintf_const(gfp_t gfp, const char *fmt, va_list ap) +{ + if (!strchr(fmt, '%')) + return kstrdup_const(fmt, gfp); + if (!strcmp(fmt, "%s")) + return kstrdup_const(va_arg(ap, const char*), gfp); + return kvasprintf(gfp, fmt, ap); +} +EXPORT_SYMBOL(kvasprintf_const); + diff --git a/compat/crypto-kpp.c b/compat/crypto-kpp.c new file mode 100644 index 0000000..ae11fa8 --- /dev/null +++ b/compat/crypto-kpp.c @@ -0,0 +1,128 @@ +/* + * Key-agreement Protocol Primitives (KPP) + * + * Copyright (c) 2016, Intel Corporation + * Authors: Salvatore Benedetto + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +extern unsigned int crypto_alg_extsize(struct crypto_alg *alg); +void *crypto_alloc_tfm(const char *alg_name, + const struct crypto_type *frontend, u32 type, u32 mask); + +#define CRYPTOCFGA_REPORT_KPP __CRYPTOCFGA_MAX +#ifdef CONFIG_NET +static int crypto_kpp_report(struct sk_buff *skb, struct crypto_alg *alg) +{ + struct crypto_report_kpp rkpp; + + strncpy(rkpp.type, "kpp", sizeof(rkpp.type)); + + if (nla_put(skb, CRYPTOCFGA_REPORT_KPP, + sizeof(struct crypto_report_kpp), &rkpp)) + goto nla_put_failure; + return 0; + +nla_put_failure: + return -EMSGSIZE; +} +#else +static int crypto_kpp_report(struct sk_buff *skb, struct crypto_alg *alg) +{ + return -ENOSYS; +} +#endif + +static void crypto_kpp_show(struct seq_file *m, struct crypto_alg *alg) + __maybe_unused; + +static void crypto_kpp_show(struct seq_file *m, struct crypto_alg *alg) +{ + seq_puts(m, "type : kpp\n"); +} + +static void crypto_kpp_exit_tfm(struct crypto_tfm *tfm) +{ + struct crypto_kpp *kpp = __crypto_kpp_tfm(tfm); + struct kpp_alg *alg = crypto_kpp_alg(kpp); + + alg->exit(kpp); +} + +static int crypto_kpp_init_tfm(struct crypto_tfm *tfm) +{ + struct crypto_kpp *kpp = __crypto_kpp_tfm(tfm); + struct kpp_alg *alg = crypto_kpp_alg(kpp); + + if (alg->exit) + kpp->base.exit = crypto_kpp_exit_tfm; + + if (alg->init) + return alg->init(kpp); + + return 0; +} + +static const struct crypto_type crypto_kpp_type = { + .extsize = crypto_alg_extsize, + .init_tfm = crypto_kpp_init_tfm, +#ifdef CONFIG_PROC_FS + .show = crypto_kpp_show, +#endif + .report = crypto_kpp_report, + .maskclear = ~CRYPTO_ALG_TYPE_MASK, + .maskset = CRYPTO_ALG_TYPE_MASK, + .type = CRYPTO_ALG_TYPE_KPP, + .tfmsize = offsetof(struct crypto_kpp, base), +}; + +struct crypto_kpp *crypto_alloc_kpp(const char *alg_name, u32 type, u32 mask) +{ + return crypto_alloc_tfm(alg_name, &crypto_kpp_type, type, mask); +} +EXPORT_SYMBOL_GPL(crypto_alloc_kpp); + +static void kpp_prepare_alg(struct kpp_alg *alg) +{ + struct crypto_alg *base = &alg->base; + + base->cra_type = &crypto_kpp_type; + base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK; + base->cra_flags |= CRYPTO_ALG_TYPE_KPP; +} + +int crypto_register_kpp(struct kpp_alg *alg) +{ + struct crypto_alg *base = &alg->base; + + kpp_prepare_alg(alg); + return crypto_register_alg(base); +} +EXPORT_SYMBOL_GPL(crypto_register_kpp); + +void crypto_unregister_kpp(struct kpp_alg *alg) +{ + crypto_unregister_alg(&alg->base); +} +EXPORT_SYMBOL_GPL(crypto_unregister_kpp); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Key-agreement Protocol Primitives"); diff --git a/compat/crypto-skcipher.c b/compat/crypto-skcipher.c index 9c5fe5c..def0294 100644 --- a/compat/crypto-skcipher.c +++ b/compat/crypto-skcipher.c @@ -48,7 +48,7 @@ static inline u32 skcipher_request_flags(struct skcipher_request *req) { return req->base.flags; } - +#if LINUX_VERSION_IS_GEQ(4,8,0) enum { SKCIPHER_WALK_PHYS = 1 << 0, SKCIPHER_WALK_SLOW = 1 << 1, @@ -594,6 +594,35 @@ int skcipher_walk_aead_decrypt(struct skcipher_walk *walk, } EXPORT_SYMBOL_GPL(skcipher_walk_aead_decrypt); +#endif /* LINUX_VERSION_IS_GEQ(4,8,0) */ + +#if LINUX_VERSION_IS_LESS(4,2,0) + +unsigned int crypto_alg_extsize(struct crypto_alg *alg) +{ + return alg->cra_ctxsize + + (alg->cra_alignmask & ~(crypto_tfm_ctx_alignment() - 1)); +} +EXPORT_SYMBOL_GPL(crypto_alg_extsize); + +int crypto_type_has_alg(const char *name, const struct crypto_type *frontend, + u32 type, u32 mask) +{ +#if 0 + int ret = 0; + struct crypto_alg *alg = crypto_find_alg(name, frontend, type, mask); + + if (!IS_ERR(alg)) { + crypto_mod_put(alg); + ret = 1; + } +#endif + return -EINVAL; +} +EXPORT_SYMBOL_GPL(crypto_type_has_alg); + +#endif + static unsigned int crypto_skcipher_extsize(struct crypto_alg *alg) { if (alg->cra_type == &crypto_blkcipher_type) @@ -945,7 +974,9 @@ static int crypto_skcipher_report(struct sk_buff *skb, struct crypto_alg *alg) static const struct crypto_type crypto_skcipher_type2 = { .extsize = crypto_skcipher_extsize, .init_tfm = crypto_skcipher_init_tfm, +#if LINUX_VERSION_IS_GEQ(4,3,0) .free = crypto_skcipher_free_instance, +#endif #ifdef CONFIG_PROC_FS .show = crypto_skcipher_show, #endif @@ -959,8 +990,10 @@ static const struct crypto_type crypto_skcipher_type2 = { int crypto_grab_skcipher(struct crypto_skcipher_spawn *spawn, const char *name, u32 type, u32 mask) { +#if 0 spawn->base.frontend = &crypto_skcipher_type2; return crypto_grab_spawn(&spawn->base, name, type, mask); +#endif } EXPORT_SYMBOL_GPL(crypto_grab_skcipher); diff --git a/compat/lib-iov_iter.c b/compat/lib-iov_iter.c new file mode 100644 index 0000000..929963d --- /dev/null +++ b/compat/lib-iov_iter.c @@ -0,0 +1,1423 @@ +#include +#include +#include +#include +#include +#include +#include +#include + +#define PIPE_PARANOIA /* for now */ + +#define iterate_iovec(i, n, __v, __p, skip, STEP) { \ + size_t left; \ + size_t wanted = n; \ + __p = i->iov; \ + __v.iov_len = min(n, __p->iov_len - skip); \ + if (likely(__v.iov_len)) { \ + __v.iov_base = __p->iov_base + skip; \ + left = (STEP); \ + __v.iov_len -= left; \ + skip += __v.iov_len; \ + n -= __v.iov_len; \ + } else { \ + left = 0; \ + } \ + while (unlikely(!left && n)) { \ + __p++; \ + __v.iov_len = min(n, __p->iov_len); \ + if (unlikely(!__v.iov_len)) \ + continue; \ + __v.iov_base = __p->iov_base; \ + left = (STEP); \ + __v.iov_len -= left; \ + skip = __v.iov_len; \ + n -= __v.iov_len; \ + } \ + n = wanted - n; \ +} + +#define iterate_kvec(i, n, __v, __p, skip, STEP) { \ + size_t wanted = n; \ + __p = i->kvec; \ + __v.iov_len = min(n, __p->iov_len - skip); \ + if (likely(__v.iov_len)) { \ + __v.iov_base = __p->iov_base + skip; \ + (void)(STEP); \ + skip += __v.iov_len; \ + n -= __v.iov_len; \ + } \ + while (unlikely(n)) { \ + __p++; \ + __v.iov_len = min(n, __p->iov_len); \ + if (unlikely(!__v.iov_len)) \ + continue; \ + __v.iov_base = __p->iov_base; \ + (void)(STEP); \ + skip = __v.iov_len; \ + n -= __v.iov_len; \ + } \ + n = wanted; \ +} + +#define iterate_bvec(i, n, __v, __bi, skip, STEP) { \ + struct bvec_iter __start; \ + __start.bi_size = n; \ + __start.bi_bvec_done = skip; \ + __start.bi_idx = 0; \ + for_each_bvec(__v, i->bvec, __bi, __start) { \ + if (!__v.bv_len) \ + continue; \ + (void)(STEP); \ + } \ +} + +#define iterate_all_kinds(i, n, v, I, B, K) { \ + if (likely(n)) { \ + size_t skip = i->iov_offset; \ + if (unlikely(i->type & ITER_BVEC)) { \ + struct bio_vec v; \ + struct bvec_iter __bi; \ + iterate_bvec(i, n, v, __bi, skip, (B)) \ + } else if (unlikely(i->type & ITER_KVEC)) { \ + const struct kvec *kvec; \ + struct kvec v; \ + iterate_kvec(i, n, v, kvec, skip, (K)) \ + } else { \ + const struct iovec *iov; \ + struct iovec v; \ + iterate_iovec(i, n, v, iov, skip, (I)) \ + } \ + } \ +} + +#define iterate_and_advance(i, n, v, I, B, K) { \ + if (unlikely(i->count < n)) \ + n = i->count; \ + if (i->count) { \ + size_t skip = i->iov_offset; \ + if (unlikely(i->type & ITER_BVEC)) { \ + const struct bio_vec *bvec = i->bvec; \ + struct bio_vec v; \ + struct bvec_iter __bi; \ + iterate_bvec(i, n, v, __bi, skip, (B)) \ + i->bvec = __bvec_iter_bvec(i->bvec, __bi); \ + i->nr_segs -= i->bvec - bvec; \ + skip = __bi.bi_bvec_done; \ + } else if (unlikely(i->type & ITER_KVEC)) { \ + const struct kvec *kvec; \ + struct kvec v; \ + iterate_kvec(i, n, v, kvec, skip, (K)) \ + if (skip == kvec->iov_len) { \ + kvec++; \ + skip = 0; \ + } \ + i->nr_segs -= kvec - i->kvec; \ + i->kvec = kvec; \ + } else { \ + const struct iovec *iov; \ + struct iovec v; \ + iterate_iovec(i, n, v, iov, skip, (I)) \ + if (skip == iov->iov_len) { \ + iov++; \ + skip = 0; \ + } \ + i->nr_segs -= iov - i->iov; \ + i->iov = iov; \ + } \ + i->count -= n; \ + i->iov_offset = skip; \ + } \ +} + +static size_t copy_page_to_iter_iovec(struct page *page, size_t offset, size_t bytes, + struct iov_iter *i) +{ + size_t skip, copy, left, wanted; + const struct iovec *iov; + char __user *buf; + void *kaddr, *from; + + if (unlikely(bytes > i->count)) + bytes = i->count; + + if (unlikely(!bytes)) + return 0; + + might_fault(); + wanted = bytes; + iov = i->iov; + skip = i->iov_offset; + buf = iov->iov_base + skip; + copy = min(bytes, iov->iov_len - skip); + + if (IS_ENABLED(CONFIG_HIGHMEM) && !fault_in_pages_writeable(buf, copy)) { + kaddr = kmap_atomic(page); + from = kaddr + offset; + + /* first chunk, usually the only one */ + left = __copy_to_user_inatomic(buf, from, copy); + copy -= left; + skip += copy; + from += copy; + bytes -= copy; + + while (unlikely(!left && bytes)) { + iov++; + buf = iov->iov_base; + copy = min(bytes, iov->iov_len); + left = __copy_to_user_inatomic(buf, from, copy); + copy -= left; + skip = copy; + from += copy; + bytes -= copy; + } + if (likely(!bytes)) { + kunmap_atomic(kaddr); + goto done; + } + offset = from - kaddr; + buf += copy; + kunmap_atomic(kaddr); + copy = min(bytes, iov->iov_len - skip); + } + /* Too bad - revert to non-atomic kmap */ + + kaddr = kmap(page); + from = kaddr + offset; + left = __copy_to_user(buf, from, copy); + copy -= left; + skip += copy; + from += copy; + bytes -= copy; + while (unlikely(!left && bytes)) { + iov++; + buf = iov->iov_base; + copy = min(bytes, iov->iov_len); + left = __copy_to_user(buf, from, copy); + copy -= left; + skip = copy; + from += copy; + bytes -= copy; + } + kunmap(page); + +done: + if (skip == iov->iov_len) { + iov++; + skip = 0; + } + i->count -= wanted - bytes; + i->nr_segs -= iov - i->iov; + i->iov = iov; + i->iov_offset = skip; + return wanted - bytes; +} + +static size_t copy_page_from_iter_iovec(struct page *page, size_t offset, size_t bytes, + struct iov_iter *i) +{ + size_t skip, copy, left, wanted; + const struct iovec *iov; + char __user *buf; + void *kaddr, *to; + + if (unlikely(bytes > i->count)) + bytes = i->count; + + if (unlikely(!bytes)) + return 0; + + might_fault(); + wanted = bytes; + iov = i->iov; + skip = i->iov_offset; + buf = iov->iov_base + skip; + copy = min(bytes, iov->iov_len - skip); + + if (IS_ENABLED(CONFIG_HIGHMEM) && !fault_in_pages_readable(buf, copy)) { + kaddr = kmap_atomic(page); + to = kaddr + offset; + + /* first chunk, usually the only one */ + left = __copy_from_user_inatomic(to, buf, copy); + copy -= left; + skip += copy; + to += copy; + bytes -= copy; + + while (unlikely(!left && bytes)) { + iov++; + buf = iov->iov_base; + copy = min(bytes, iov->iov_len); + left = __copy_from_user_inatomic(to, buf, copy); + copy -= left; + skip = copy; + to += copy; + bytes -= copy; + } + if (likely(!bytes)) { + kunmap_atomic(kaddr); + goto done; + } + offset = to - kaddr; + buf += copy; + kunmap_atomic(kaddr); + copy = min(bytes, iov->iov_len - skip); + } + /* Too bad - revert to non-atomic kmap */ + + kaddr = kmap(page); + to = kaddr + offset; + left = __copy_from_user(to, buf, copy); + copy -= left; + skip += copy; + to += copy; + bytes -= copy; + while (unlikely(!left && bytes)) { + iov++; + buf = iov->iov_base; + copy = min(bytes, iov->iov_len); + left = __copy_from_user(to, buf, copy); + copy -= left; + skip = copy; + to += copy; + bytes -= copy; + } + kunmap(page); + +done: + if (skip == iov->iov_len) { + iov++; + skip = 0; + } + i->count -= wanted - bytes; + i->nr_segs -= iov - i->iov; + i->iov = iov; + i->iov_offset = skip; + return wanted - bytes; +} + +#ifdef PIPE_PARANOIA +static bool sanity(const struct iov_iter *i) +{ + struct pipe_inode_info *pipe = i->pipe; + int idx = i->idx; + int next = pipe->curbuf + pipe->nrbufs; + if (i->iov_offset) { + struct pipe_buffer *p; + if (unlikely(!pipe->nrbufs)) + goto Bad; // pipe must be non-empty + if (unlikely(idx != ((next - 1) & (pipe->buffers - 1)))) + goto Bad; // must be at the last buffer... + + p = &pipe->bufs[idx]; + if (unlikely(p->offset + p->len != i->iov_offset)) + goto Bad; // ... at the end of segment + } else { + if (idx != (next & (pipe->buffers - 1))) + goto Bad; // must be right after the last buffer + } + return true; +Bad: + printk(KERN_ERR "idx = %d, offset = %zd\n", i->idx, i->iov_offset); + printk(KERN_ERR "curbuf = %d, nrbufs = %d, buffers = %d\n", + pipe->curbuf, pipe->nrbufs, pipe->buffers); + for (idx = 0; idx < pipe->buffers; idx++) + printk(KERN_ERR "[%p %p %d %d]\n", + pipe->bufs[idx].ops, + pipe->bufs[idx].page, + pipe->bufs[idx].offset, + pipe->bufs[idx].len); + WARN_ON(1); + return false; +} +#else +#define sanity(i) true +#endif + +static inline int next_idx(int idx, struct pipe_inode_info *pipe) +{ + return (idx + 1) & (pipe->buffers - 1); +} + +static size_t copy_page_to_iter_pipe(struct page *page, size_t offset, size_t bytes, + struct iov_iter *i) +{ + struct pipe_inode_info *pipe = i->pipe; + struct pipe_buffer *buf; + size_t off; + int idx; + + if (unlikely(bytes > i->count)) + bytes = i->count; + + if (unlikely(!bytes)) + return 0; + + if (!sanity(i)) + return 0; + + off = i->iov_offset; + idx = i->idx; + buf = &pipe->bufs[idx]; + if (off) { + if (offset == off && buf->page == page) { + /* merge with the last one */ + buf->len += bytes; + i->iov_offset += bytes; + goto out; + } + idx = next_idx(idx, pipe); + buf = &pipe->bufs[idx]; + } + if (idx == pipe->curbuf && pipe->nrbufs) + return 0; + pipe->nrbufs++; + buf->ops = &page_cache_pipe_buf_ops; + get_page(buf->page = page); + buf->offset = offset; + buf->len = bytes; + i->iov_offset = offset + bytes; + i->idx = idx; +out: + i->count -= bytes; + return bytes; +} + +#if LINUX_VERSION_IS_LESS(4,7,0) +/* + * Fault in one or more iovecs of the given iov_iter, to a maximum length of + * bytes. For each iovec, fault in each page that constitutes the iovec. + * + * Return 0 on success, or non-zero if the memory could not be accessed (i.e. + * because it is an invalid address). + */ +int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes) +{ + size_t skip = i->iov_offset; + const struct iovec *iov; + int err; + struct iovec v; + + if (!(i->type & (ITER_BVEC|ITER_KVEC))) { + iterate_iovec(i, bytes, v, iov, skip, ({ + err = fault_in_pages_readable(v.iov_base, v.iov_len); + if (unlikely(err)) + return err; + 0;})) + } + return 0; +} +EXPORT_SYMBOL(iov_iter_fault_in_readable); + +#define uaccess_kernel() segment_eq(get_fs(), KERNEL_DS) + +void iov_iter_init(struct iov_iter *i, int direction, + const struct iovec *iov, unsigned long nr_segs, + size_t count) +{ + /* It will get better. Eventually... */ + if (uaccess_kernel()) { + direction |= ITER_KVEC; + i->type = direction; + i->kvec = (struct kvec *)iov; + } else { + i->type = direction; + i->iov = iov; + } + i->nr_segs = nr_segs; + i->iov_offset = 0; + i->count = count; +} +EXPORT_SYMBOL(iov_iter_init); +#endif + +static void memcpy_from_page(char *to, struct page *page, size_t offset, size_t len) +{ + char *from = kmap_atomic(page); + memcpy(to, from + offset, len); + kunmap_atomic(from); +} + +static void memcpy_to_page(struct page *page, size_t offset, const char *from, size_t len) +{ + char *to = kmap_atomic(page); + memcpy(to + offset, from, len); + kunmap_atomic(to); +} + +static void memzero_page(struct page *page, size_t offset, size_t len) +{ + char *addr = kmap_atomic(page); + memset(addr + offset, 0, len); + kunmap_atomic(addr); +} + +#if 0 +static inline bool allocated(struct pipe_buffer *buf) +{ + return buf->ops == &default_pipe_buf_ops; +} + +static inline void data_start(const struct iov_iter *i, int *idxp, size_t *offp) +{ + size_t off = i->iov_offset; + int idx = i->idx; + if (off && (!allocated(&i->pipe->bufs[idx]) || off == PAGE_SIZE)) { + idx = next_idx(idx, i->pipe); + off = 0; + } + *idxp = idx; + *offp = off; +} + +static size_t push_pipe(struct iov_iter *i, size_t size, + int *idxp, size_t *offp) +{ + struct pipe_inode_info *pipe = i->pipe; + size_t off; + int idx; + ssize_t left; + + if (unlikely(size > i->count)) + size = i->count; + if (unlikely(!size)) + return 0; + + left = size; + data_start(i, &idx, &off); + *idxp = idx; + *offp = off; + if (off) { + left -= PAGE_SIZE - off; + if (left <= 0) { + pipe->bufs[idx].len += size; + return size; + } + pipe->bufs[idx].len = PAGE_SIZE; + idx = next_idx(idx, pipe); + } + while (idx != pipe->curbuf || !pipe->nrbufs) { + struct page *page = alloc_page(GFP_USER); + if (!page) + break; + pipe->nrbufs++; + pipe->bufs[idx].ops = &default_pipe_buf_ops; + pipe->bufs[idx].page = page; + pipe->bufs[idx].offset = 0; + if (left <= PAGE_SIZE) { + pipe->bufs[idx].len = left; + return size; + } + pipe->bufs[idx].len = PAGE_SIZE; + left -= PAGE_SIZE; + idx = next_idx(idx, pipe); + } + return size - left; +} + +static size_t copy_pipe_to_iter(const void *addr, size_t bytes, + struct iov_iter *i) +{ + struct pipe_inode_info *pipe = i->pipe; + size_t n, off; + int idx; + + if (!sanity(i)) + return 0; + + bytes = n = push_pipe(i, bytes, &idx, &off); + if (unlikely(!n)) + return 0; + for ( ; n; idx = next_idx(idx, pipe), off = 0) { + size_t chunk = min_t(size_t, n, PAGE_SIZE - off); + memcpy_to_page(pipe->bufs[idx].page, off, addr, chunk); + i->idx = idx; + i->iov_offset = off + chunk; + n -= chunk; + addr += chunk; + } + i->count -= bytes; + return bytes; +} +#endif + +size_t _copy_to_iter(const void *addr, size_t bytes, struct iov_iter *i) +{ + const char *from = addr; +#if 0 + if (unlikely(i->type & ITER_PIPE)) + return copy_pipe_to_iter(addr, bytes, i); +#endif + if (iter_is_iovec(i)) + might_fault(); + iterate_and_advance(i, bytes, v, + __copy_to_user(v.iov_base, (from += v.iov_len) - v.iov_len, + v.iov_len), + memcpy_to_page(v.bv_page, v.bv_offset, + (from += v.bv_len) - v.bv_len, v.bv_len), + memcpy(v.iov_base, (from += v.iov_len) - v.iov_len, v.iov_len) + ) + + return bytes; +} +EXPORT_SYMBOL(_copy_to_iter); + +size_t _copy_from_iter(void *addr, size_t bytes, struct iov_iter *i) +{ + char *to = addr; + if (unlikely(i->type & ITER_PIPE)) { + WARN_ON(1); + return 0; + } + if (iter_is_iovec(i)) + might_fault(); + iterate_and_advance(i, bytes, v, + __copy_from_user((to += v.iov_len) - v.iov_len, v.iov_base, + v.iov_len), + memcpy_from_page((to += v.bv_len) - v.bv_len, v.bv_page, + v.bv_offset, v.bv_len), + memcpy((to += v.iov_len) - v.iov_len, v.iov_base, v.iov_len) + ) + + return bytes; +} +EXPORT_SYMBOL(_copy_from_iter); + +bool _copy_from_iter_full(void *addr, size_t bytes, struct iov_iter *i) +{ + char *to = addr; + if (unlikely(i->type & ITER_PIPE)) { + WARN_ON(1); + return false; + } + if (unlikely(i->count < bytes)) + return false; + + if (iter_is_iovec(i)) + might_fault(); + iterate_all_kinds(i, bytes, v, ({ + if (__copy_from_user((to += v.iov_len) - v.iov_len, + v.iov_base, v.iov_len)) + return false; + 0;}), + memcpy_from_page((to += v.bv_len) - v.bv_len, v.bv_page, + v.bv_offset, v.bv_len), + memcpy((to += v.iov_len) - v.iov_len, v.iov_base, v.iov_len) + ) + + iov_iter_advance(i, bytes); + return true; +} +EXPORT_SYMBOL(_copy_from_iter_full); + +size_t _copy_from_iter_nocache(void *addr, size_t bytes, struct iov_iter *i) +{ + char *to = addr; + if (unlikely(i->type & ITER_PIPE)) { + WARN_ON(1); + return 0; + } + iterate_and_advance(i, bytes, v, + __copy_from_user_inatomic_nocache((to += v.iov_len) - v.iov_len, + v.iov_base, v.iov_len), + memcpy_from_page((to += v.bv_len) - v.bv_len, v.bv_page, + v.bv_offset, v.bv_len), + memcpy((to += v.iov_len) - v.iov_len, v.iov_base, v.iov_len) + ) + + return bytes; +} +EXPORT_SYMBOL(_copy_from_iter_nocache); + +#ifdef CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE +size_t _copy_from_iter_flushcache(void *addr, size_t bytes, struct iov_iter *i) +{ + char *to = addr; + if (unlikely(i->type & ITER_PIPE)) { + WARN_ON(1); + return 0; + } + iterate_and_advance(i, bytes, v, + __copy_from_user_flushcache((to += v.iov_len) - v.iov_len, + v.iov_base, v.iov_len), + memcpy_page_flushcache((to += v.bv_len) - v.bv_len, v.bv_page, + v.bv_offset, v.bv_len), + memcpy_flushcache((to += v.iov_len) - v.iov_len, v.iov_base, + v.iov_len) + ) + + return bytes; +} +EXPORT_SYMBOL_GPL(_copy_from_iter_flushcache); +#endif + +bool _copy_from_iter_full_nocache(void *addr, size_t bytes, struct iov_iter *i) +{ + char *to = addr; + if (unlikely(i->type & ITER_PIPE)) { + WARN_ON(1); + return false; + } + if (unlikely(i->count < bytes)) + return false; + iterate_all_kinds(i, bytes, v, ({ + if (__copy_from_user_inatomic_nocache((to += v.iov_len) - v.iov_len, + v.iov_base, v.iov_len)) + return false; + 0;}), + memcpy_from_page((to += v.bv_len) - v.bv_len, v.bv_page, + v.bv_offset, v.bv_len), + memcpy((to += v.iov_len) - v.iov_len, v.iov_base, v.iov_len) + ) + + iov_iter_advance(i, bytes); + return true; +} +EXPORT_SYMBOL(_copy_from_iter_full_nocache); + +static inline bool page_copy_sane(struct page *page, size_t offset, size_t n) +{ + struct page *head = compound_head(page); + size_t v = n + offset + page_address(page) - page_address(head); + + if (likely(n <= v && v <= (PAGE_SIZE << compound_order(head)))) + return true; + WARN_ON(1); + return false; +} + +#if LINUX_VERSION_IS_LESS(4,7,0) +size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes, + struct iov_iter *i) +{ + if (unlikely(!page_copy_sane(page, offset, bytes))) + return 0; + if (i->type & (ITER_BVEC|ITER_KVEC)) { + void *kaddr = kmap_atomic(page); + size_t wanted = copy_to_iter(kaddr + offset, bytes, i); + kunmap_atomic(kaddr); + return wanted; + } else if (likely(!(i->type & ITER_PIPE))) + return copy_page_to_iter_iovec(page, offset, bytes, i); + else + return copy_page_to_iter_pipe(page, offset, bytes, i); +} +EXPORT_SYMBOL(copy_page_to_iter); + +size_t copy_page_from_iter(struct page *page, size_t offset, size_t bytes, + struct iov_iter *i) +{ + if (unlikely(!page_copy_sane(page, offset, bytes))) + return 0; + if (unlikely(i->type & ITER_PIPE)) { + WARN_ON(1); + return 0; + } + if (i->type & (ITER_BVEC|ITER_KVEC)) { + void *kaddr = kmap_atomic(page); + size_t wanted = _copy_from_iter(kaddr + offset, bytes, i); + kunmap_atomic(kaddr); + return wanted; + } else + return copy_page_from_iter_iovec(page, offset, bytes, i); +} +EXPORT_SYMBOL(copy_page_from_iter); +#endif + +#if 0 +static size_t pipe_zero(size_t bytes, struct iov_iter *i) +{ + struct pipe_inode_info *pipe = i->pipe; + size_t n, off; + int idx; + + if (!sanity(i)) + return 0; + + bytes = n = push_pipe(i, bytes, &idx, &off); + if (unlikely(!n)) + return 0; + + for ( ; n; idx = next_idx(idx, pipe), off = 0) { + size_t chunk = min_t(size_t, n, PAGE_SIZE - off); + memzero_page(pipe->bufs[idx].page, off, chunk); + i->idx = idx; + i->iov_offset = off + chunk; + n -= chunk; + } + i->count -= bytes; + return bytes; +} +#endif + +#if LINUX_VERSION_IS_LESS(4,7,0) +size_t iov_iter_zero(size_t bytes, struct iov_iter *i) +{ + if (unlikely(i->type & ITER_PIPE)) + return pipe_zero(bytes, i); + iterate_and_advance(i, bytes, v, + clear_user(v.iov_base, v.iov_len), + memzero_page(v.bv_page, v.bv_offset, v.bv_len), + memset(v.iov_base, 0, v.iov_len) + ) + + return bytes; +} +EXPORT_SYMBOL(iov_iter_zero); + +size_t iov_iter_copy_from_user_atomic(struct page *page, + struct iov_iter *i, unsigned long offset, size_t bytes) +{ + char *kaddr = kmap_atomic(page), *p = kaddr + offset; + if (unlikely(!page_copy_sane(page, offset, bytes))) { + kunmap_atomic(kaddr); + return 0; + } + if (unlikely(i->type & ITER_PIPE)) { + kunmap_atomic(kaddr); + WARN_ON(1); + return 0; + } + iterate_all_kinds(i, bytes, v, + __copy_from_user_inatomic((p += v.iov_len) - v.iov_len, v.iov_base, v.iov_len), + memcpy_from_page((p += v.bv_len) - v.bv_len, v.bv_page, + v.bv_offset, v.bv_len), + memcpy((p += v.iov_len) - v.iov_len, v.iov_base, v.iov_len) + ) + kunmap_atomic(kaddr); + return bytes; +} +EXPORT_SYMBOL(iov_iter_copy_from_user_atomic); +#endif + +static inline void pipe_truncate(struct iov_iter *i) +{ + struct pipe_inode_info *pipe = i->pipe; + if (pipe->nrbufs) { + size_t off = i->iov_offset; + int idx = i->idx; + int nrbufs = (idx - pipe->curbuf) & (pipe->buffers - 1); + if (off) { + pipe->bufs[idx].len = off - pipe->bufs[idx].offset; + idx = next_idx(idx, pipe); + nrbufs++; + } + while (pipe->nrbufs > nrbufs) { + pipe_buf_release(pipe, &pipe->bufs[idx]); + idx = next_idx(idx, pipe); + pipe->nrbufs--; + } + } +} + +static void pipe_advance(struct iov_iter *i, size_t size) +{ + struct pipe_inode_info *pipe = i->pipe; + if (unlikely(i->count < size)) + size = i->count; + if (size) { + struct pipe_buffer *buf; + size_t off = i->iov_offset, left = size; + int idx = i->idx; + if (off) /* make it relative to the beginning of buffer */ + left += off - pipe->bufs[idx].offset; + while (1) { + buf = &pipe->bufs[idx]; + if (left <= buf->len) + break; + left -= buf->len; + idx = next_idx(idx, pipe); + } + i->idx = idx; + i->iov_offset = buf->offset + left; + } + i->count -= size; + /* ... and discard everything past that point */ + pipe_truncate(i); +} + +#if LINUX_VERSION_IS_LESS(4,7,0) +void iov_iter_advance(struct iov_iter *i, size_t size) +{ + if (unlikely(i->type & ITER_PIPE)) { + pipe_advance(i, size); + return; + } + iterate_and_advance(i, size, v, 0, 0, 0) +} +EXPORT_SYMBOL(iov_iter_advance); + +void iov_iter_revert(struct iov_iter *i, size_t unroll) +{ + if (!unroll) + return; + if (WARN_ON(unroll > MAX_RW_COUNT)) + return; + i->count += unroll; + if (unlikely(i->type & ITER_PIPE)) { + struct pipe_inode_info *pipe = i->pipe; + int idx = i->idx; + size_t off = i->iov_offset; + while (1) { + size_t n = off - pipe->bufs[idx].offset; + if (unroll < n) { + off -= unroll; + break; + } + unroll -= n; + if (!unroll && idx == i->start_idx) { + off = 0; + break; + } + if (!idx--) + idx = pipe->buffers - 1; + off = pipe->bufs[idx].offset + pipe->bufs[idx].len; + } + i->iov_offset = off; + i->idx = idx; + pipe_truncate(i); + return; + } + if (unroll <= i->iov_offset) { + i->iov_offset -= unroll; + return; + } + unroll -= i->iov_offset; + if (i->type & ITER_BVEC) { + const struct bio_vec *bvec = i->bvec; + while (1) { + size_t n = (--bvec)->bv_len; + i->nr_segs++; + if (unroll <= n) { + i->bvec = bvec; + i->iov_offset = n - unroll; + return; + } + unroll -= n; + } + } else { /* same logics for iovec and kvec */ + const struct iovec *iov = i->iov; + while (1) { + size_t n = (--iov)->iov_len; + i->nr_segs++; + if (unroll <= n) { + i->iov = iov; + i->iov_offset = n - unroll; + return; + } + unroll -= n; + } + } +} +EXPORT_SYMBOL(iov_iter_revert); + +/* + * Return the count of just the current iov_iter segment. + */ +size_t iov_iter_single_seg_count(const struct iov_iter *i) +{ + if (unlikely(i->type & ITER_PIPE)) + return i->count; // it is a silly place, anyway + if (i->nr_segs == 1) + return i->count; + else if (i->type & ITER_BVEC) + return min(i->count, i->bvec->bv_len - i->iov_offset); + else + return min(i->count, i->iov->iov_len - i->iov_offset); +} +EXPORT_SYMBOL(iov_iter_single_seg_count); + +void iov_iter_kvec(struct iov_iter *i, int direction, + const struct kvec *kvec, unsigned long nr_segs, + size_t count) +{ + BUG_ON(!(direction & ITER_KVEC)); + i->type = direction; + i->kvec = kvec; + i->nr_segs = nr_segs; + i->iov_offset = 0; + i->count = count; +} +EXPORT_SYMBOL(iov_iter_kvec); + +void iov_iter_bvec(struct iov_iter *i, int direction, + const struct bio_vec *bvec, unsigned long nr_segs, + size_t count) +{ + BUG_ON(!(direction & ITER_BVEC)); + i->type = direction; + i->bvec = bvec; + i->nr_segs = nr_segs; + i->iov_offset = 0; + i->count = count; +} +EXPORT_SYMBOL(iov_iter_bvec); + +void iov_iter_pipe(struct iov_iter *i, int direction, + struct pipe_inode_info *pipe, + size_t count) +{ + BUG_ON(direction != ITER_PIPE); + WARN_ON(pipe->nrbufs == pipe->buffers); + i->type = direction; + i->pipe = pipe; + i->idx = (pipe->curbuf + pipe->nrbufs) & (pipe->buffers - 1); + i->iov_offset = 0; + i->count = count; + i->start_idx = i->idx; +} +EXPORT_SYMBOL(iov_iter_pipe); + +unsigned long iov_iter_alignment(const struct iov_iter *i) +{ + unsigned long res = 0; + size_t size = i->count; + + if (unlikely(i->type & ITER_PIPE)) { + if (size && i->iov_offset && allocated(&i->pipe->bufs[i->idx])) + return size | i->iov_offset; + return size; + } + iterate_all_kinds(i, size, v, + (res |= (unsigned long)v.iov_base | v.iov_len, 0), + res |= v.bv_offset | v.bv_len, + res |= (unsigned long)v.iov_base | v.iov_len + ) + return res; +} +EXPORT_SYMBOL(iov_iter_alignment); + +unsigned long iov_iter_gap_alignment(const struct iov_iter *i) +{ + unsigned long res = 0; + size_t size = i->count; + + if (unlikely(i->type & ITER_PIPE)) { + WARN_ON(1); + return ~0U; + } + + iterate_all_kinds(i, size, v, + (res |= (!res ? 0 : (unsigned long)v.iov_base) | + (size != v.iov_len ? size : 0), 0), + (res |= (!res ? 0 : (unsigned long)v.bv_offset) | + (size != v.bv_len ? size : 0)), + (res |= (!res ? 0 : (unsigned long)v.iov_base) | + (size != v.iov_len ? size : 0)) + ); + return res; +} +EXPORT_SYMBOL(iov_iter_gap_alignment); +#endif + +#if 0 +static inline size_t __pipe_get_pages(struct iov_iter *i, + size_t maxsize, + struct page **pages, + int idx, + size_t *start) +{ + struct pipe_inode_info *pipe = i->pipe; + ssize_t n = push_pipe(i, maxsize, &idx, start); + if (!n) + return -EFAULT; + + maxsize = n; + n += *start; + while (n > 0) { + get_page(*pages++ = pipe->bufs[idx].page); + idx = next_idx(idx, pipe); + n -= PAGE_SIZE; + } + + return maxsize; +} + +static ssize_t pipe_get_pages(struct iov_iter *i, + struct page **pages, size_t maxsize, unsigned maxpages, + size_t *start) +{ + unsigned npages; + size_t capacity; + int idx; + + if (!maxsize) + return 0; + + if (!sanity(i)) + return -EFAULT; + + data_start(i, &idx, start); + /* some of this one + all after this one */ + npages = ((i->pipe->curbuf - idx - 1) & (i->pipe->buffers - 1)) + 1; + capacity = min(npages,maxpages) * PAGE_SIZE - *start; + + return __pipe_get_pages(i, min(maxsize, capacity), pages, idx, start); +} +#endif +#if LINUX_VERSION_IS_LESS(4,7,0) +ssize_t iov_iter_get_pages(struct iov_iter *i, + struct page **pages, size_t maxsize, unsigned maxpages, + size_t *start) +{ + if (maxsize > i->count) + maxsize = i->count; + + if (unlikely(i->type & ITER_PIPE)) + return pipe_get_pages(i, pages, maxsize, maxpages, start); + iterate_all_kinds(i, maxsize, v, ({ + unsigned long addr = (unsigned long)v.iov_base; + size_t len = v.iov_len + (*start = addr & (PAGE_SIZE - 1)); + int n; + int res; + + if (len > maxpages * PAGE_SIZE) + len = maxpages * PAGE_SIZE; + addr &= ~(PAGE_SIZE - 1); + n = DIV_ROUND_UP(len, PAGE_SIZE); + res = get_user_pages_fast(addr, n, (i->type & WRITE) != WRITE, pages); + if (unlikely(res < 0)) + return res; + return (res == n ? len : res * PAGE_SIZE) - *start; + 0;}),({ + /* can't be more than PAGE_SIZE */ + *start = v.bv_offset; + get_page(*pages = v.bv_page); + return v.bv_len; + }),({ + return -EFAULT; + }) + ) + return 0; +} +EXPORT_SYMBOL(iov_iter_get_pages); +#endif + +static struct page **get_pages_array(size_t n) +{ + return kvmalloc_array(n, sizeof(struct page *), GFP_KERNEL); +} + +#if LINUX_VERSION_IS_LESS(4,7,0) +ssize_t iov_iter_get_pages_alloc(struct iov_iter *i, + struct page ***pages, size_t maxsize, + size_t *start) +{ + struct page **p; + + if (maxsize > i->count) + maxsize = i->count; + + if (unlikely(i->type & ITER_PIPE)) + return pipe_get_pages_alloc(i, pages, maxsize, start); + iterate_all_kinds(i, maxsize, v, ({ + unsigned long addr = (unsigned long)v.iov_base; + size_t len = v.iov_len + (*start = addr & (PAGE_SIZE - 1)); + int n; + int res; + + addr &= ~(PAGE_SIZE - 1); + n = DIV_ROUND_UP(len, PAGE_SIZE); + p = get_pages_array(n); + if (!p) + return -ENOMEM; + res = get_user_pages_fast(addr, n, (i->type & WRITE) != WRITE, p); + if (unlikely(res < 0)) { + kvfree(p); + return res; + } + *pages = p; + return (res == n ? len : res * PAGE_SIZE) - *start; + 0;}),({ + /* can't be more than PAGE_SIZE */ + *start = v.bv_offset; + *pages = p = get_pages_array(1); + if (!p) + return -ENOMEM; + get_page(*p = v.bv_page); + return v.bv_len; + }),({ + return -EFAULT; + }) + ) + return 0; +} +EXPORT_SYMBOL(iov_iter_get_pages_alloc); + +size_t csum_and_copy_from_iter(void *addr, size_t bytes, __wsum *csum, + struct iov_iter *i) +{ + char *to = addr; + __wsum sum, next; + size_t off = 0; + sum = *csum; + if (unlikely(i->type & ITER_PIPE)) { + WARN_ON(1); + return 0; + } + iterate_and_advance(i, bytes, v, ({ + int err = 0; + next = csum_and_copy_from_user(v.iov_base, + (to += v.iov_len) - v.iov_len, + v.iov_len, 0, &err); + if (!err) { + sum = csum_block_add(sum, next, off); + off += v.iov_len; + } + err ? v.iov_len : 0; + }), ({ + char *p = kmap_atomic(v.bv_page); + next = csum_partial_copy_nocheck(p + v.bv_offset, + (to += v.bv_len) - v.bv_len, + v.bv_len, 0); + kunmap_atomic(p); + sum = csum_block_add(sum, next, off); + off += v.bv_len; + }),({ + next = csum_partial_copy_nocheck(v.iov_base, + (to += v.iov_len) - v.iov_len, + v.iov_len, 0); + sum = csum_block_add(sum, next, off); + off += v.iov_len; + }) + ) + *csum = sum; + return bytes; +} +EXPORT_SYMBOL(csum_and_copy_from_iter); +#endif + +bool csum_and_copy_from_iter_full(void *addr, size_t bytes, __wsum *csum, + struct iov_iter *i) +{ + char *to = addr; + __wsum sum, next; + size_t off = 0; + sum = *csum; + if (unlikely(i->type & ITER_PIPE)) { + WARN_ON(1); + return false; + } + if (unlikely(i->count < bytes)) + return false; + iterate_all_kinds(i, bytes, v, ({ + int err = 0; + next = csum_and_copy_from_user(v.iov_base, + (to += v.iov_len) - v.iov_len, + v.iov_len, 0, &err); + if (err) + return false; + sum = csum_block_add(sum, next, off); + off += v.iov_len; + 0; + }), ({ + char *p = kmap_atomic(v.bv_page); + next = csum_partial_copy_nocheck(p + v.bv_offset, + (to += v.bv_len) - v.bv_len, + v.bv_len, 0); + kunmap_atomic(p); + sum = csum_block_add(sum, next, off); + off += v.bv_len; + }),({ + next = csum_partial_copy_nocheck(v.iov_base, + (to += v.iov_len) - v.iov_len, + v.iov_len, 0); + sum = csum_block_add(sum, next, off); + off += v.iov_len; + }) + ) + *csum = sum; + iov_iter_advance(i, bytes); + return true; +} +EXPORT_SYMBOL(csum_and_copy_from_iter_full); + +#if LINUX_VERSION_IS_LESS(4,7,0) +size_t csum_and_copy_to_iter(const void *addr, size_t bytes, __wsum *csum, + struct iov_iter *i) +{ + const char *from = addr; + __wsum sum, next; + size_t off = 0; + sum = *csum; + if (unlikely(i->type & ITER_PIPE)) { + WARN_ON(1); /* for now */ + return 0; + } + iterate_and_advance(i, bytes, v, ({ + int err = 0; + next = csum_and_copy_to_user((from += v.iov_len) - v.iov_len, + v.iov_base, + v.iov_len, 0, &err); + if (!err) { + sum = csum_block_add(sum, next, off); + off += v.iov_len; + } + err ? v.iov_len : 0; + }), ({ + char *p = kmap_atomic(v.bv_page); + next = csum_partial_copy_nocheck((from += v.bv_len) - v.bv_len, + p + v.bv_offset, + v.bv_len, 0); + kunmap_atomic(p); + sum = csum_block_add(sum, next, off); + off += v.bv_len; + }),({ + next = csum_partial_copy_nocheck((from += v.iov_len) - v.iov_len, + v.iov_base, + v.iov_len, 0); + sum = csum_block_add(sum, next, off); + off += v.iov_len; + }) + ) + *csum = sum; + return bytes; +} +EXPORT_SYMBOL(csum_and_copy_to_iter); + +int iov_iter_npages(const struct iov_iter *i, int maxpages) +{ + size_t size = i->count; + int npages = 0; + + if (!size) + return 0; + + if (unlikely(i->type & ITER_PIPE)) { + struct pipe_inode_info *pipe = i->pipe; + size_t off; + int idx; + + if (!sanity(i)) + return 0; + + data_start(i, &idx, &off); + /* some of this one + all after this one */ + npages = ((pipe->curbuf - idx - 1) & (pipe->buffers - 1)) + 1; + if (npages >= maxpages) + return maxpages; + } else iterate_all_kinds(i, size, v, ({ + unsigned long p = (unsigned long)v.iov_base; + npages += DIV_ROUND_UP(p + v.iov_len, PAGE_SIZE) + - p / PAGE_SIZE; + if (npages >= maxpages) + return maxpages; + 0;}),({ + npages++; + if (npages >= maxpages) + return maxpages; + }),({ + unsigned long p = (unsigned long)v.iov_base; + npages += DIV_ROUND_UP(p + v.iov_len, PAGE_SIZE) + - p / PAGE_SIZE; + if (npages >= maxpages) + return maxpages; + }) + ) + return npages; +} +EXPORT_SYMBOL(iov_iter_npages); + +const void *dup_iter(struct iov_iter *new, struct iov_iter *old, gfp_t flags) +{ + *new = *old; + if (unlikely(new->type & ITER_PIPE)) { + WARN_ON(1); + return NULL; + } + if (new->type & ITER_BVEC) + return new->bvec = kmemdup(new->bvec, + new->nr_segs * sizeof(struct bio_vec), + flags); + else + /* iovec and kvec have identical layout */ + return new->iov = kmemdup(new->iov, + new->nr_segs * sizeof(struct iovec), + flags); +} +EXPORT_SYMBOL(dup_iter); + +/** + * import_iovec() - Copy an array of &struct iovec from userspace + * into the kernel, check that it is valid, and initialize a new + * &struct iov_iter iterator to access it. + * + * @type: One of %READ or %WRITE. + * @uvector: Pointer to the userspace array. + * @nr_segs: Number of elements in userspace array. + * @fast_segs: Number of elements in @iov. + * @iov: (input and output parameter) Pointer to pointer to (usually small + * on-stack) kernel array. + * @i: Pointer to iterator that will be initialized on success. + * + * If the array pointed to by *@iov is large enough to hold all @nr_segs, + * then this function places %NULL in *@iov on return. Otherwise, a new + * array will be allocated and the result placed in *@iov. This means that + * the caller may call kfree() on *@iov regardless of whether the small + * on-stack array was used or not (and regardless of whether this function + * returns an error or not). + * + * Return: 0 on success or negative error code on error. + */ +int import_iovec(int type, const struct iovec __user * uvector, + unsigned nr_segs, unsigned fast_segs, + struct iovec **iov, struct iov_iter *i) +{ + ssize_t n; + struct iovec *p; + n = rw_copy_check_uvector(type, uvector, nr_segs, fast_segs, + *iov, &p); + if (n < 0) { + if (p != *iov) + kfree(p); + *iov = NULL; + return n; + } + iov_iter_init(i, type, p, nr_segs, n); + *iov = p == *iov ? NULL : p; + return 0; +} +EXPORT_SYMBOL(import_iovec); +#endif + +#ifdef CONFIG_COMPAT +#include + +int compat_import_iovec(int type, const struct compat_iovec __user * uvector, + unsigned nr_segs, unsigned fast_segs, + struct iovec **iov, struct iov_iter *i) +{ + ssize_t n; + struct iovec *p; + n = compat_rw_copy_check_uvector(type, uvector, nr_segs, fast_segs, + *iov, &p); + if (n < 0) { + if (p != *iov) + kfree(p); + *iov = NULL; + return n; + } + iov_iter_init(i, type, p, nr_segs, n); + *iov = p == *iov ? NULL : p; + return 0; +} +#endif + +#if LINUX_VERSION_IS_LESS(4,7,0) +int import_single_range(int rw, void __user *buf, size_t len, + struct iovec *iov, struct iov_iter *i) +{ + if (len > MAX_RW_COUNT) + len = MAX_RW_COUNT; + if (unlikely(!access_ok(!rw, buf, len))) + return -EFAULT; + + iov->iov_base = buf; + iov->iov_len = len; + iov_iter_init(i, rw, iov, 1, len); + return 0; +} +EXPORT_SYMBOL(import_single_range); +#endif diff --git a/drivers/bluetooth/Makefile b/drivers/bluetooth/Makefile index 8f0e8d8..9b8bda8 100644 --- a/drivers/bluetooth/Makefile +++ b/drivers/bluetooth/Makefile @@ -30,7 +30,7 @@ obj-$(CPTCFG_BT_HCIUART_NOKIA) += hci_nokia.o obj-$(CPTCFG_BT_HCIRSI) += btrsi.o btmrvl-y := btmrvl_main.o -btmrvl-$(CONFIG_DEBUG_FS) += btmrvl_debugfs.o +btmrvl-$(CPTCFG_DEBUG_FS) += btmrvl_debugfs.o hci_uart-y := hci_ldisc.o hci_uart-$(CPTCFG_BT_HCIUART_SERDEV) += hci_serdev.o diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c index 888bac4..26ea804 100644 --- a/drivers/bluetooth/btmrvl_sdio.c +++ b/drivers/bluetooth/btmrvl_sdio.c @@ -1310,6 +1310,7 @@ rdwr_status btmrvl_sdio_rdwr_firmware(struct btmrvl_private *priv, return RDWR_STATUS_SUCCESS; } +#if LINUX_VERSION_IS_GEQ(4,16,0) /* This function dump sdio register and memory data */ static void btmrvl_sdio_coredump(struct device *dev) { @@ -1493,6 +1494,7 @@ done: dev_coredumpv(&card->func->dev, fw_dump_data, fw_dump_len, GFP_KERNEL); BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump end"); } +#endif static int btmrvl_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id) @@ -1721,7 +1723,9 @@ static struct sdio_driver bt_mrvl_sdio = { .remove = btmrvl_sdio_remove, .drv = { .owner = THIS_MODULE, +#if LINUX_VERSION_IS_GEQ(4,16,0) .coredump = btmrvl_sdio_coredump, +#endif .pm = &btmrvl_sdio_pm_ops, } }; diff --git a/drivers/tty/Makefile b/drivers/tty/Makefile new file mode 100644 index 0000000..50bb1c6 --- /dev/null +++ b/drivers/tty/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +obj-$(CPTCFG_SERIAL_DEV_BUS) += serdev/ diff --git a/drivers/tty/serdev/Kconfig b/drivers/tty/serdev/Kconfig new file mode 100644 index 0000000..8f4a442 --- /dev/null +++ b/drivers/tty/serdev/Kconfig @@ -0,0 +1,25 @@ +# +# Serial bus device driver configuration +# +menuconfig SERIAL_DEV_BUS + tristate "Serial device bus" + depends on !KERNEL_3_3 + help + Core support for devices connected via a serial port. + + Note that you typically also want to enable TTY port controller support. + +if SERIAL_DEV_BUS + +config SERIAL_DEV_CTRL_TTYPORT + bool "Serial device TTY port controller" + help + Say Y here if you want to use the Serial device bus with common TTY + drivers (e.g. serial drivers). + + If unsure, say Y. + depends on TTY + depends on SERIAL_DEV_BUS != m + default y + +endif diff --git a/drivers/tty/serdev/Makefile b/drivers/tty/serdev/Makefile new file mode 100644 index 0000000..6c366bf --- /dev/null +++ b/drivers/tty/serdev/Makefile @@ -0,0 +1,5 @@ +serdev-objs := core.o + +obj-$(CPTCFG_SERIAL_DEV_BUS) += serdev.o + +obj-$(CPTCFG_SERIAL_DEV_CTRL_TTYPORT) += serdev-ttyport.o diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c new file mode 100644 index 0000000..87f4e28 --- /dev/null +++ b/drivers/tty/serdev/core.c @@ -0,0 +1,646 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2016-2017 Linaro Ltd., Rob Herring + * + * Based on drivers/spmi/spmi.c: + * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static bool is_registered; +static DEFINE_IDA(ctrl_ida); + +static ssize_t modalias_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int len; + +#if LINUX_VERSION_IS_GEQ(3,14,0) + len = acpi_device_modalias(dev, buf, PAGE_SIZE - 1); + if (len != -ENODEV) + return len; +#endif + + return of_device_modalias(dev, buf, PAGE_SIZE); +} +static DEVICE_ATTR_RO(modalias); + +static struct attribute *serdev_device_attrs[] = { + &dev_attr_modalias.attr, + NULL, +}; +ATTRIBUTE_GROUPS(serdev_device); + +static int serdev_device_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + int rc; + + /* TODO: platform modalias */ + +#if LINUX_VERSION_IS_GEQ(3,14,0) + rc = acpi_device_uevent_modalias(dev, env); + if (rc != -ENODEV) + return rc; +#endif + + return of_device_uevent_modalias(dev, env); +} + +static void serdev_device_release(struct device *dev) +{ + struct serdev_device *serdev = to_serdev_device(dev); + kfree(serdev); +} + +static const struct device_type serdev_device_type = { + .groups = serdev_device_groups, + .uevent = serdev_device_uevent, + .release = serdev_device_release, +}; + +static bool is_serdev_device(const struct device *dev) +{ + return dev->type == &serdev_device_type; +} + +static void serdev_ctrl_release(struct device *dev) +{ + struct serdev_controller *ctrl = to_serdev_controller(dev); + ida_simple_remove(&ctrl_ida, ctrl->nr); + kfree(ctrl); +} + +static const struct device_type serdev_ctrl_type = { + .release = serdev_ctrl_release, +}; + +static int serdev_device_match(struct device *dev, struct device_driver *drv) +{ + if (!is_serdev_device(dev)) + return 0; + + /* TODO: platform matching */ + if (acpi_driver_match_device(dev, drv)) + return 1; + + return of_driver_match_device(dev, drv); +} + +/** + * serdev_device_add() - add a device previously constructed via serdev_device_alloc() + * @serdev: serdev_device to be added + */ +int serdev_device_add(struct serdev_device *serdev) +{ + struct serdev_controller *ctrl = serdev->ctrl; + struct device *parent = serdev->dev.parent; + int err; + + dev_set_name(&serdev->dev, "%s-%d", dev_name(parent), serdev->nr); + + /* Only a single slave device is currently supported. */ + if (ctrl->serdev) { + dev_err(&serdev->dev, "controller busy\n"); + return -EBUSY; + } + ctrl->serdev = serdev; + + err = device_add(&serdev->dev); + if (err < 0) { + dev_err(&serdev->dev, "Can't add %s, status %d\n", + dev_name(&serdev->dev), err); + goto err_clear_serdev; + } + + dev_dbg(&serdev->dev, "device %s registered\n", dev_name(&serdev->dev)); + + return 0; + +err_clear_serdev: + ctrl->serdev = NULL; + return err; +} +EXPORT_SYMBOL_GPL(serdev_device_add); + +/** + * serdev_device_remove(): remove an serdev device + * @serdev: serdev_device to be removed + */ +void serdev_device_remove(struct serdev_device *serdev) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + device_unregister(&serdev->dev); + ctrl->serdev = NULL; +} +EXPORT_SYMBOL_GPL(serdev_device_remove); + +int serdev_device_open(struct serdev_device *serdev) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + if (!ctrl || !ctrl->ops->open) + return -EINVAL; + + return ctrl->ops->open(ctrl); +} +EXPORT_SYMBOL_GPL(serdev_device_open); + +void serdev_device_close(struct serdev_device *serdev) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + if (!ctrl || !ctrl->ops->close) + return; + + ctrl->ops->close(ctrl); +} +EXPORT_SYMBOL_GPL(serdev_device_close); + +static void devm_serdev_device_release(struct device *dev, void *dr) +{ + serdev_device_close(*(struct serdev_device **)dr); +} + +int devm_serdev_device_open(struct device *dev, struct serdev_device *serdev) +{ + struct serdev_device **dr; + int ret; + + dr = devres_alloc(devm_serdev_device_release, sizeof(*dr), GFP_KERNEL); + if (!dr) + return -ENOMEM; + + ret = serdev_device_open(serdev); + if (ret) { + devres_free(dr); + return ret; + } + + *dr = serdev; + devres_add(dev, dr); + + return 0; +} +EXPORT_SYMBOL_GPL(devm_serdev_device_open); + +void serdev_device_write_wakeup(struct serdev_device *serdev) +{ + complete(&serdev->write_comp); +} +EXPORT_SYMBOL_GPL(serdev_device_write_wakeup); + +int serdev_device_write_buf(struct serdev_device *serdev, + const unsigned char *buf, size_t count) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + if (!ctrl || !ctrl->ops->write_buf) + return -EINVAL; + + return ctrl->ops->write_buf(ctrl, buf, count); +} +EXPORT_SYMBOL_GPL(serdev_device_write_buf); + +int serdev_device_write(struct serdev_device *serdev, + const unsigned char *buf, size_t count, + unsigned long timeout) +{ + struct serdev_controller *ctrl = serdev->ctrl; + int ret; + + if (!ctrl || !ctrl->ops->write_buf || + (timeout && !serdev->ops->write_wakeup)) + return -EINVAL; + + mutex_lock(&serdev->write_lock); + do { + reinit_completion(&serdev->write_comp); + + ret = ctrl->ops->write_buf(ctrl, buf, count); + if (ret < 0) + break; + + buf += ret; + count -= ret; + + } while (count && + (timeout = wait_for_completion_timeout(&serdev->write_comp, + timeout))); + mutex_unlock(&serdev->write_lock); + return ret < 0 ? ret : (count ? -ETIMEDOUT : 0); +} +EXPORT_SYMBOL_GPL(serdev_device_write); + +void serdev_device_write_flush(struct serdev_device *serdev) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + if (!ctrl || !ctrl->ops->write_flush) + return; + + ctrl->ops->write_flush(ctrl); +} +EXPORT_SYMBOL_GPL(serdev_device_write_flush); + +int serdev_device_write_room(struct serdev_device *serdev) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + if (!ctrl || !ctrl->ops->write_room) + return 0; + + return serdev->ctrl->ops->write_room(ctrl); +} +EXPORT_SYMBOL_GPL(serdev_device_write_room); + +unsigned int serdev_device_set_baudrate(struct serdev_device *serdev, unsigned int speed) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + if (!ctrl || !ctrl->ops->set_baudrate) + return 0; + + return ctrl->ops->set_baudrate(ctrl, speed); + +} +EXPORT_SYMBOL_GPL(serdev_device_set_baudrate); + +void serdev_device_set_flow_control(struct serdev_device *serdev, bool enable) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + if (!ctrl || !ctrl->ops->set_flow_control) + return; + + ctrl->ops->set_flow_control(ctrl, enable); +} +EXPORT_SYMBOL_GPL(serdev_device_set_flow_control); + +int serdev_device_set_parity(struct serdev_device *serdev, + enum serdev_parity parity) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + if (!ctrl || !ctrl->ops->set_parity) + return -ENOTSUPP; + + return ctrl->ops->set_parity(ctrl, parity); +} +EXPORT_SYMBOL_GPL(serdev_device_set_parity); + +void serdev_device_wait_until_sent(struct serdev_device *serdev, long timeout) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + if (!ctrl || !ctrl->ops->wait_until_sent) + return; + + ctrl->ops->wait_until_sent(ctrl, timeout); +} +EXPORT_SYMBOL_GPL(serdev_device_wait_until_sent); + +int serdev_device_get_tiocm(struct serdev_device *serdev) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + if (!ctrl || !ctrl->ops->get_tiocm) + return -ENOTSUPP; + + return ctrl->ops->get_tiocm(ctrl); +} +EXPORT_SYMBOL_GPL(serdev_device_get_tiocm); + +int serdev_device_set_tiocm(struct serdev_device *serdev, int set, int clear) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + if (!ctrl || !ctrl->ops->set_tiocm) + return -ENOTSUPP; + + return ctrl->ops->set_tiocm(ctrl, set, clear); +} +EXPORT_SYMBOL_GPL(serdev_device_set_tiocm); + +static int serdev_drv_probe(struct device *dev) +{ + const struct serdev_device_driver *sdrv = to_serdev_device_driver(dev->driver); + + return sdrv->probe(to_serdev_device(dev)); +} + +static int serdev_drv_remove(struct device *dev) +{ + const struct serdev_device_driver *sdrv = to_serdev_device_driver(dev->driver); + if (sdrv->remove) + sdrv->remove(to_serdev_device(dev)); + return 0; +} + +static struct bus_type serdev_bus_type = { + .name = "serial", + .match = serdev_device_match, + .probe = serdev_drv_probe, + .remove = serdev_drv_remove, +}; + +/** + * serdev_device_alloc() - Allocate a new serdev device + * @ctrl: associated controller + * + * Caller is responsible for either calling serdev_device_add() to add the + * newly allocated controller, or calling serdev_device_put() to discard it. + */ +struct serdev_device *serdev_device_alloc(struct serdev_controller *ctrl) +{ + struct serdev_device *serdev; + + serdev = kzalloc(sizeof(*serdev), GFP_KERNEL); + if (!serdev) + return NULL; + + serdev->ctrl = ctrl; + device_initialize(&serdev->dev); + serdev->dev.parent = &ctrl->dev; + serdev->dev.bus = &serdev_bus_type; + serdev->dev.type = &serdev_device_type; + init_completion(&serdev->write_comp); + mutex_init(&serdev->write_lock); + return serdev; +} +EXPORT_SYMBOL_GPL(serdev_device_alloc); + +/** + * serdev_controller_alloc() - Allocate a new serdev controller + * @parent: parent device + * @size: size of private data + * + * Caller is responsible for either calling serdev_controller_add() to add the + * newly allocated controller, or calling serdev_controller_put() to discard it. + * The allocated private data region may be accessed via + * serdev_controller_get_drvdata() + */ +struct serdev_controller *serdev_controller_alloc(struct device *parent, + size_t size) +{ + struct serdev_controller *ctrl; + int id; + + if (WARN_ON(!parent)) + return NULL; + + ctrl = kzalloc(sizeof(*ctrl) + size, GFP_KERNEL); + if (!ctrl) + return NULL; + + id = ida_simple_get(&ctrl_ida, 0, 0, GFP_KERNEL); + if (id < 0) { + dev_err(parent, + "unable to allocate serdev controller identifier.\n"); + goto err_free; + } + + ctrl->nr = id; + + device_initialize(&ctrl->dev); + ctrl->dev.type = &serdev_ctrl_type; + ctrl->dev.bus = &serdev_bus_type; + ctrl->dev.parent = parent; + ctrl->dev.of_node = parent->of_node; + serdev_controller_set_drvdata(ctrl, &ctrl[1]); + + dev_set_name(&ctrl->dev, "serial%d", id); + + dev_dbg(&ctrl->dev, "allocated controller 0x%p id %d\n", ctrl, id); + return ctrl; + +err_free: + kfree(ctrl); + + return NULL; +} +EXPORT_SYMBOL_GPL(serdev_controller_alloc); + +static int of_serdev_register_devices(struct serdev_controller *ctrl) +{ + struct device_node *node; + struct serdev_device *serdev = NULL; + int err; + bool found = false; + + for_each_available_child_of_node(ctrl->dev.of_node, node) { + if (!of_get_property(node, "compatible", NULL)) + continue; + + dev_dbg(&ctrl->dev, "adding child %pOF\n", node); + + serdev = serdev_device_alloc(ctrl); + if (!serdev) + continue; + + serdev->dev.of_node = node; + + err = serdev_device_add(serdev); + if (err) { + dev_err(&serdev->dev, + "failure adding device. status %d\n", err); + serdev_device_put(serdev); + } else + found = true; + } + if (!found) + return -ENODEV; + + return 0; +} + +#ifdef CONFIG_ACPI +static acpi_status acpi_serdev_register_device(struct serdev_controller *ctrl, + struct acpi_device *adev) +{ + struct serdev_device *serdev = NULL; + int err; + + if (acpi_bus_get_status(adev) || !adev->status.present || + acpi_device_enumerated(adev)) + return AE_OK; + + serdev = serdev_device_alloc(ctrl); + if (!serdev) { + dev_err(&ctrl->dev, "failed to allocate serdev device for %s\n", + dev_name(&adev->dev)); + return AE_NO_MEMORY; + } + + ACPI_COMPANION_SET(&serdev->dev, adev); + acpi_device_set_enumerated(adev); + + err = serdev_device_add(serdev); + if (err) { + dev_err(&serdev->dev, + "failure adding ACPI serdev device. status %d\n", err); + serdev_device_put(serdev); + } + + return AE_OK; +} + +static acpi_status acpi_serdev_add_device(acpi_handle handle, u32 level, + void *data, void **return_value) +{ + struct serdev_controller *ctrl = data; + struct acpi_device *adev; + + if (acpi_bus_get_device(handle, &adev)) + return AE_OK; + + return acpi_serdev_register_device(ctrl, adev); +} + +static int acpi_serdev_register_devices(struct serdev_controller *ctrl) +{ + acpi_status status; + acpi_handle handle; + + handle = ACPI_HANDLE(ctrl->dev.parent); + if (!handle) + return -ENODEV; + + status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, 1, + acpi_serdev_add_device, NULL, ctrl, NULL); + if (ACPI_FAILURE(status)) + dev_dbg(&ctrl->dev, "failed to enumerate serdev slaves\n"); + + if (!ctrl->serdev) + return -ENODEV; + + return 0; +} +#else +static inline int acpi_serdev_register_devices(struct serdev_controller *ctrl) +{ + return -ENODEV; +} +#endif /* CONFIG_ACPI */ + +/** + * serdev_controller_add() - Add an serdev controller + * @ctrl: controller to be registered. + * + * Register a controller previously allocated via serdev_controller_alloc() with + * the serdev core. + */ +int serdev_controller_add(struct serdev_controller *ctrl) +{ + int ret_of, ret_acpi, ret; + + /* Can't register until after driver model init */ + if (WARN_ON(!is_registered)) + return -EAGAIN; + + ret = device_add(&ctrl->dev); + if (ret) + return ret; + + ret_of = of_serdev_register_devices(ctrl); + ret_acpi = acpi_serdev_register_devices(ctrl); + if (ret_of && ret_acpi) { + dev_dbg(&ctrl->dev, "no devices registered: of:%d acpi:%d\n", + ret_of, ret_acpi); + ret = -ENODEV; + goto out_dev_del; + } + + dev_dbg(&ctrl->dev, "serdev%d registered: dev:%p\n", + ctrl->nr, &ctrl->dev); + return 0; + +out_dev_del: + device_del(&ctrl->dev); + return ret; +}; +EXPORT_SYMBOL_GPL(serdev_controller_add); + +/* Remove a device associated with a controller */ +static int serdev_remove_device(struct device *dev, void *data) +{ + struct serdev_device *serdev = to_serdev_device(dev); + if (dev->type == &serdev_device_type) + serdev_device_remove(serdev); + return 0; +} + +/** + * serdev_controller_remove(): remove an serdev controller + * @ctrl: controller to remove + * + * Remove a serdev controller. Caller is responsible for calling + * serdev_controller_put() to discard the allocated controller. + */ +void serdev_controller_remove(struct serdev_controller *ctrl) +{ + int dummy; + + if (!ctrl) + return; + + dummy = device_for_each_child(&ctrl->dev, NULL, + serdev_remove_device); + device_del(&ctrl->dev); +} +EXPORT_SYMBOL_GPL(serdev_controller_remove); + +/** + * serdev_driver_register() - Register client driver with serdev core + * @sdrv: client driver to be associated with client-device. + * + * This API will register the client driver with the serdev framework. + * It is typically called from the driver's module-init function. + */ +int __serdev_device_driver_register(struct serdev_device_driver *sdrv, struct module *owner) +{ + sdrv->driver.bus = &serdev_bus_type; + sdrv->driver.owner = owner; + +#if LINUX_VERSION_IS_GEQ(3,14,0) + /* force drivers to async probe so I/O is possible in probe */ + sdrv->driver.probe_type = PROBE_PREFER_ASYNCHRONOUS; +#endif + + return driver_register(&sdrv->driver); +} +EXPORT_SYMBOL_GPL(__serdev_device_driver_register); + +static void __exit serdev_exit(void) +{ + bus_unregister(&serdev_bus_type); + ida_destroy(&ctrl_ida); +} +module_exit(serdev_exit); + +static int __init serdev_init(void) +{ + int ret; + + ret = bus_register(&serdev_bus_type); + if (ret) + return ret; + + is_registered = true; + return 0; +} +/* Must be before serial drivers register */ +postcore_initcall(serdev_init); + +MODULE_AUTHOR("Rob Herring "); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("Serial attached device bus"); diff --git a/drivers/tty/serdev/serdev-ttyport.c b/drivers/tty/serdev/serdev-ttyport.c new file mode 100644 index 0000000..fa16729 --- /dev/null +++ b/drivers/tty/serdev/serdev-ttyport.c @@ -0,0 +1,320 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2016-2017 Linaro Ltd., Rob Herring + */ +#include +#include +#include +#include +#include + +#define SERPORT_ACTIVE 1 + +struct serport { + struct tty_port *port; + struct tty_struct *tty; + struct tty_driver *tty_drv; + int tty_idx; + unsigned long flags; +}; + +/* + * Callback functions from the tty port. + */ + +static int ttyport_receive_buf(struct tty_port *port, const unsigned char *cp, + const unsigned char *fp, size_t count) +{ + struct serdev_controller *ctrl = port->client_data; + struct serport *serport = serdev_controller_get_drvdata(ctrl); + int ret; + + if (!test_bit(SERPORT_ACTIVE, &serport->flags)) + return 0; + + ret = serdev_controller_receive_buf(ctrl, cp, count); + + dev_WARN_ONCE(&ctrl->dev, ret < 0 || ret > count, + "receive_buf returns %d (count = %zu)\n", + ret, count); + if (ret < 0) + return 0; + else if (ret > count) + return count; + + return ret; +} + +static void ttyport_write_wakeup(struct tty_port *port) +{ + struct serdev_controller *ctrl = port->client_data; + struct serport *serport = serdev_controller_get_drvdata(ctrl); + struct tty_struct *tty; + + tty = tty_port_tty_get(port); + if (!tty) + return; + + if (test_and_clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags) && + test_bit(SERPORT_ACTIVE, &serport->flags)) + serdev_controller_write_wakeup(ctrl); + + /* Wake up any tty_wait_until_sent() */ + wake_up_interruptible(&tty->write_wait); + + tty_kref_put(tty); +} + +static const struct tty_port_client_operations client_ops = { + .receive_buf = ttyport_receive_buf, + .write_wakeup = ttyport_write_wakeup, +}; + +/* + * Callback functions from the serdev core. + */ + +static int ttyport_write_buf(struct serdev_controller *ctrl, const unsigned char *data, size_t len) +{ + struct serport *serport = serdev_controller_get_drvdata(ctrl); + struct tty_struct *tty = serport->tty; + + if (!test_bit(SERPORT_ACTIVE, &serport->flags)) + return 0; + + set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); + return tty->ops->write(serport->tty, data, len); +} + +static void ttyport_write_flush(struct serdev_controller *ctrl) +{ + struct serport *serport = serdev_controller_get_drvdata(ctrl); + struct tty_struct *tty = serport->tty; + + tty_driver_flush_buffer(tty); +} + +static int ttyport_write_room(struct serdev_controller *ctrl) +{ + struct serport *serport = serdev_controller_get_drvdata(ctrl); + struct tty_struct *tty = serport->tty; + + return tty_write_room(tty); +} + +static int ttyport_open(struct serdev_controller *ctrl) +{ + struct serport *serport = serdev_controller_get_drvdata(ctrl); + struct tty_struct *tty; + struct ktermios ktermios; + int ret; + + tty = tty_init_dev(serport->tty_drv, serport->tty_idx); + if (IS_ERR(tty)) + return PTR_ERR(tty); + serport->tty = tty; + + if (!tty->ops->open || !tty->ops->close) { + ret = -ENODEV; + goto err_unlock; + } + + ret = tty->ops->open(serport->tty, NULL); + if (ret) + goto err_close; + + tty_unlock(serport->tty); + + /* Bring the UART into a known 8 bits no parity hw fc state */ + ktermios = tty->termios; + ktermios.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | + INLCR | IGNCR | ICRNL | IXON); + ktermios.c_oflag &= ~OPOST; + ktermios.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN); + ktermios.c_cflag &= ~(CSIZE | PARENB); + ktermios.c_cflag |= CS8; + ktermios.c_cflag |= CRTSCTS; + /* Hangups are not supported so make sure to ignore carrier detect. */ + ktermios.c_cflag |= CLOCAL; + tty_set_termios(tty, &ktermios); + + set_bit(SERPORT_ACTIVE, &serport->flags); + + return 0; + +err_close: + tty->ops->close(tty, NULL); +err_unlock: + tty_unlock(tty); + tty_release_struct(tty, serport->tty_idx); + + return ret; +} + +static void ttyport_close(struct serdev_controller *ctrl) +{ + struct serport *serport = serdev_controller_get_drvdata(ctrl); + struct tty_struct *tty = serport->tty; + + clear_bit(SERPORT_ACTIVE, &serport->flags); + + tty_lock(tty); + if (tty->ops->close) + tty->ops->close(tty, NULL); + tty_unlock(tty); + + tty_release_struct(tty, serport->tty_idx); +} + +static unsigned int ttyport_set_baudrate(struct serdev_controller *ctrl, unsigned int speed) +{ + struct serport *serport = serdev_controller_get_drvdata(ctrl); + struct tty_struct *tty = serport->tty; + struct ktermios ktermios = tty->termios; + + ktermios.c_cflag &= ~CBAUD; + tty_termios_encode_baud_rate(&ktermios, speed, speed); + + /* tty_set_termios() return not checked as it is always 0 */ + tty_set_termios(tty, &ktermios); + return ktermios.c_ospeed; +} + +static void ttyport_set_flow_control(struct serdev_controller *ctrl, bool enable) +{ + struct serport *serport = serdev_controller_get_drvdata(ctrl); + struct tty_struct *tty = serport->tty; + struct ktermios ktermios = tty->termios; + + if (enable) + ktermios.c_cflag |= CRTSCTS; + else + ktermios.c_cflag &= ~CRTSCTS; + + tty_set_termios(tty, &ktermios); +} + +static int ttyport_set_parity(struct serdev_controller *ctrl, + enum serdev_parity parity) +{ + struct serport *serport = serdev_controller_get_drvdata(ctrl); + struct tty_struct *tty = serport->tty; + struct ktermios ktermios = tty->termios; + + ktermios.c_cflag &= ~(PARENB | PARODD | CMSPAR); + if (parity != SERDEV_PARITY_NONE) { + ktermios.c_cflag |= PARENB; + if (parity == SERDEV_PARITY_ODD) + ktermios.c_cflag |= PARODD; + } + + tty_set_termios(tty, &ktermios); + + if ((tty->termios.c_cflag & (PARENB | PARODD | CMSPAR)) != + (ktermios.c_cflag & (PARENB | PARODD | CMSPAR))) + return -EINVAL; + + return 0; +} + +static void ttyport_wait_until_sent(struct serdev_controller *ctrl, long timeout) +{ + struct serport *serport = serdev_controller_get_drvdata(ctrl); + struct tty_struct *tty = serport->tty; + + tty_wait_until_sent(tty, timeout); +} + +static int ttyport_get_tiocm(struct serdev_controller *ctrl) +{ + struct serport *serport = serdev_controller_get_drvdata(ctrl); + struct tty_struct *tty = serport->tty; + + if (!tty->ops->tiocmget) + return -ENOTSUPP; + + return tty->driver->ops->tiocmget(tty); +} + +static int ttyport_set_tiocm(struct serdev_controller *ctrl, unsigned int set, unsigned int clear) +{ + struct serport *serport = serdev_controller_get_drvdata(ctrl); + struct tty_struct *tty = serport->tty; + + if (!tty->ops->tiocmset) + return -ENOTSUPP; + + return tty->driver->ops->tiocmset(tty, set, clear); +} + +static const struct serdev_controller_ops ctrl_ops = { + .write_buf = ttyport_write_buf, + .write_flush = ttyport_write_flush, + .write_room = ttyport_write_room, + .open = ttyport_open, + .close = ttyport_close, + .set_flow_control = ttyport_set_flow_control, + .set_parity = ttyport_set_parity, + .set_baudrate = ttyport_set_baudrate, + .wait_until_sent = ttyport_wait_until_sent, + .get_tiocm = ttyport_get_tiocm, + .set_tiocm = ttyport_set_tiocm, +}; + +struct device *serdev_tty_port_register(struct tty_port *port, + struct device *parent, + struct tty_driver *drv, int idx) +{ + const struct tty_port_client_operations *old_ops; + struct serdev_controller *ctrl; + struct serport *serport; + int ret; + + if (!port || !drv || !parent) + return ERR_PTR(-ENODEV); + + ctrl = serdev_controller_alloc(parent, sizeof(struct serport)); + if (!ctrl) + return ERR_PTR(-ENOMEM); + serport = serdev_controller_get_drvdata(ctrl); + + serport->port = port; + serport->tty_idx = idx; + serport->tty_drv = drv; + + ctrl->ops = &ctrl_ops; + + old_ops = port->client_ops; + port->client_ops = &client_ops; + port->client_data = ctrl; + + ret = serdev_controller_add(ctrl); + if (ret) + goto err_reset_data; + + dev_info(&ctrl->dev, "tty port %s%d registered\n", drv->name, idx); + return &ctrl->dev; + +err_reset_data: + port->client_data = NULL; + port->client_ops = old_ops; + serdev_controller_put(ctrl); + + return ERR_PTR(ret); +} + +int serdev_tty_port_unregister(struct tty_port *port) +{ + struct serdev_controller *ctrl = port->client_data; + struct serport *serport = serdev_controller_get_drvdata(ctrl); + + if (!serport) + return -ENODEV; + + serdev_controller_remove(ctrl); + port->client_ops = NULL; + port->client_data = NULL; + serdev_controller_put(ctrl); + + return 0; +} diff --git a/include/crypto/backport-kpp.h b/include/crypto/backport-kpp.h new file mode 100644 index 0000000..4597d74 --- /dev/null +++ b/include/crypto/backport-kpp.h @@ -0,0 +1,350 @@ +#ifndef _BACKPORT_CRYPTO_KPP_H +#define _BACKPORT_CRYPTO_KPP_H +/* + * Key-agreement Protocol Primitives (KPP) + * + * Copyright (c) 2016, Intel Corporation + * Authors: Salvatore Benedetto + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + */ + +#include +#define CRYPTO_ALG_TYPE_KPP 0x0000000b + +/** + * struct kpp_request + * + * @base: Common attributes for async crypto requests + * @src: Source data + * @dst: Destination data + * @src_len: Size of the input buffer + * @dst_len: Size of the output buffer. It needs to be at least + * as big as the expected result depending on the operation + * After operation it will be updated with the actual size of the + * result. In case of error where the dst sgl size was insufficient, + * it will be updated to the size required for the operation. + * @__ctx: Start of private context data + */ +struct kpp_request { + struct crypto_async_request base; + struct scatterlist *src; + struct scatterlist *dst; + unsigned int src_len; + unsigned int dst_len; + void *__ctx[] CRYPTO_MINALIGN_ATTR; +}; + +/** + * struct crypto_kpp - user-instantiated object which encapsulate + * algorithms and core processing logic + * + * @base: Common crypto API algorithm data structure + */ +struct crypto_kpp { + struct crypto_tfm base; +}; + +/** + * struct kpp_alg - generic key-agreement protocol primitives + * + * @set_secret: Function invokes the protocol specific function to + * store the secret private key along with parameters. + * The implementation knows how to decode the buffer + * @generate_public_key: Function generate the public key to be sent to the + * counterpart. In case of error, where output is not big + * enough req->dst_len will be updated to the size + * required + * @compute_shared_secret: Function compute the shared secret as defined by + * the algorithm. The result is given back to the user. + * In case of error, where output is not big enough, + * req->dst_len will be updated to the size required + * @max_size: Function returns the size of the output buffer + * @init: Initialize the object. This is called only once at + * instantiation time. In case the cryptographic hardware + * needs to be initialized. Software fallback should be + * put in place here. + * @exit: Undo everything @init did. + * + * @reqsize: Request context size required by algorithm + * implementation + * @base: Common crypto API algorithm data structure + */ +struct kpp_alg { + int (*set_secret)(struct crypto_kpp *tfm, const void *buffer, + unsigned int len); + int (*generate_public_key)(struct kpp_request *req); + int (*compute_shared_secret)(struct kpp_request *req); + + unsigned int (*max_size)(struct crypto_kpp *tfm); + + int (*init)(struct crypto_kpp *tfm); + void (*exit)(struct crypto_kpp *tfm); + + unsigned int reqsize; + struct crypto_alg base; +}; + +/** + * DOC: Generic Key-agreement Protocol Primitives API + * + * The KPP API is used with the algorithm type + * CRYPTO_ALG_TYPE_KPP (listed as type "kpp" in /proc/crypto) + */ + +/** + * crypto_alloc_kpp() - allocate KPP tfm handle + * @alg_name: is the name of the kpp algorithm (e.g. "dh", "ecdh") + * @type: specifies the type of the algorithm + * @mask: specifies the mask for the algorithm + * + * Allocate a handle for kpp algorithm. The returned struct crypto_kpp + * is required for any following API invocation + * + * Return: allocated handle in case of success; IS_ERR() is true in case of + * an error, PTR_ERR() returns the error code. + */ +struct crypto_kpp *crypto_alloc_kpp(const char *alg_name, u32 type, u32 mask); + +static inline struct crypto_tfm *crypto_kpp_tfm(struct crypto_kpp *tfm) +{ + return &tfm->base; +} + +static inline struct kpp_alg *__crypto_kpp_alg(struct crypto_alg *alg) +{ + return container_of(alg, struct kpp_alg, base); +} + +static inline struct crypto_kpp *__crypto_kpp_tfm(struct crypto_tfm *tfm) +{ + return container_of(tfm, struct crypto_kpp, base); +} + +static inline struct kpp_alg *crypto_kpp_alg(struct crypto_kpp *tfm) +{ + return __crypto_kpp_alg(crypto_kpp_tfm(tfm)->__crt_alg); +} + +static inline unsigned int crypto_kpp_reqsize(struct crypto_kpp *tfm) +{ + return crypto_kpp_alg(tfm)->reqsize; +} + +static inline void kpp_request_set_tfm(struct kpp_request *req, + struct crypto_kpp *tfm) +{ + req->base.tfm = crypto_kpp_tfm(tfm); +} + +static inline struct crypto_kpp *crypto_kpp_reqtfm(struct kpp_request *req) +{ + return __crypto_kpp_tfm(req->base.tfm); +} + +static inline u32 crypto_kpp_get_flags(struct crypto_kpp *tfm) +{ + return crypto_tfm_get_flags(crypto_kpp_tfm(tfm)); +} + +static inline void crypto_kpp_set_flags(struct crypto_kpp *tfm, u32 flags) +{ + crypto_tfm_set_flags(crypto_kpp_tfm(tfm), flags); +} + +/** + * crypto_free_kpp() - free KPP tfm handle + * + * @tfm: KPP tfm handle allocated with crypto_alloc_kpp() + */ +static inline void crypto_free_kpp(struct crypto_kpp *tfm) +{ + crypto_destroy_tfm(tfm, crypto_kpp_tfm(tfm)); +} + +/** + * kpp_request_alloc() - allocates kpp request + * + * @tfm: KPP tfm handle allocated with crypto_alloc_kpp() + * @gfp: allocation flags + * + * Return: allocated handle in case of success or NULL in case of an error. + */ +static inline struct kpp_request *kpp_request_alloc(struct crypto_kpp *tfm, + gfp_t gfp) +{ + struct kpp_request *req; + + req = kmalloc(sizeof(*req) + crypto_kpp_reqsize(tfm), gfp); + if (likely(req)) + kpp_request_set_tfm(req, tfm); + + return req; +} + +/** + * kpp_request_free() - zeroize and free kpp request + * + * @req: request to free + */ +static inline void kpp_request_free(struct kpp_request *req) +{ + kzfree(req); +} + +/** + * kpp_request_set_callback() - Sets an asynchronous callback. + * + * Callback will be called when an asynchronous operation on a given + * request is finished. + * + * @req: request that the callback will be set for + * @flgs: specify for instance if the operation may backlog + * @cmpl: callback which will be called + * @data: private data used by the caller + */ +static inline void kpp_request_set_callback(struct kpp_request *req, + u32 flgs, + crypto_completion_t cmpl, + void *data) +{ + req->base.complete = cmpl; + req->base.data = data; + req->base.flags = flgs; +} + +/** + * kpp_request_set_input() - Sets input buffer + * + * Sets parameters required by generate_public_key + * + * @req: kpp request + * @input: ptr to input scatter list + * @input_len: size of the input scatter list + */ +static inline void kpp_request_set_input(struct kpp_request *req, + struct scatterlist *input, + unsigned int input_len) +{ + req->src = input; + req->src_len = input_len; +} + +/** + * kpp_request_set_output() - Sets output buffer + * + * Sets parameters required by kpp operation + * + * @req: kpp request + * @output: ptr to output scatter list + * @output_len: size of the output scatter list + */ +static inline void kpp_request_set_output(struct kpp_request *req, + struct scatterlist *output, + unsigned int output_len) +{ + req->dst = output; + req->dst_len = output_len; +} + +enum { + CRYPTO_KPP_SECRET_TYPE_UNKNOWN, + CRYPTO_KPP_SECRET_TYPE_DH, + CRYPTO_KPP_SECRET_TYPE_ECDH, +}; + +/** + * struct kpp_secret - small header for packing secret buffer + * + * @type: define type of secret. Each kpp type will define its own + * @len: specify the len of the secret, include the header, that + * follows the struct + */ +struct kpp_secret { + unsigned short type; + unsigned short len; +}; + +/** + * crypto_kpp_set_secret() - Invoke kpp operation + * + * Function invokes the specific kpp operation for a given alg. + * + * @tfm: tfm handle + * @buffer: Buffer holding the packet representation of the private + * key. The structure of the packet key depends on the particular + * KPP implementation. Packing and unpacking helpers are provided + * for ECDH and DH (see the respective header files for those + * implementations). + * @len: Length of the packet private key buffer. + * + * Return: zero on success; error code in case of error + */ +static inline int crypto_kpp_set_secret(struct crypto_kpp *tfm, + const void *buffer, unsigned int len) +{ + struct kpp_alg *alg = crypto_kpp_alg(tfm); + + return alg->set_secret(tfm, buffer, len); +} + +/** + * crypto_kpp_generate_public_key() - Invoke kpp operation + * + * Function invokes the specific kpp operation for generating the public part + * for a given kpp algorithm. + * + * To generate a private key, the caller should use a random number generator. + * The output of the requested length serves as the private key. + * + * @req: kpp key request + * + * Return: zero on success; error code in case of error + */ +static inline int crypto_kpp_generate_public_key(struct kpp_request *req) +{ + struct crypto_kpp *tfm = crypto_kpp_reqtfm(req); + struct kpp_alg *alg = crypto_kpp_alg(tfm); + + return alg->generate_public_key(req); +} + +/** + * crypto_kpp_compute_shared_secret() - Invoke kpp operation + * + * Function invokes the specific kpp operation for computing the shared secret + * for a given kpp algorithm. + * + * @req: kpp key request + * + * Return: zero on success; error code in case of error + */ +static inline int crypto_kpp_compute_shared_secret(struct kpp_request *req) +{ + struct crypto_kpp *tfm = crypto_kpp_reqtfm(req); + struct kpp_alg *alg = crypto_kpp_alg(tfm); + + return alg->compute_shared_secret(req); +} + +/** + * crypto_kpp_maxsize() - Get len for output buffer + * + * Function returns the output buffer size required for a given key. + * Function assumes that the key is already set in the transformation. If this + * function is called without a setkey or with a failed setkey, you will end up + * in a NULL dereference. + * + * @tfm: KPP tfm handle allocated with crypto_alloc_kpp() + */ +static inline unsigned int crypto_kpp_maxsize(struct crypto_kpp *tfm) +{ + struct kpp_alg *alg = crypto_kpp_alg(tfm); + + return alg->max_size(tfm); +} +#endif diff --git a/include/crypto/internal/backport-kpp.h b/include/crypto/internal/backport-kpp.h new file mode 100644 index 0000000..bd16788 --- /dev/null +++ b/include/crypto/internal/backport-kpp.h @@ -0,0 +1,64 @@ +/* + * Key-agreement Protocol Primitives (KPP) + * + * Copyright (c) 2016, Intel Corporation + * Authors: Salvatore Benedetto + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + */ +#ifndef _CRYPTO_KPP_INT_H +#define _CRYPTO_KPP_INT_H +#include +#include + +/* + * Transform internal helpers. + */ +static inline void *kpp_request_ctx(struct kpp_request *req) +{ + return req->__ctx; +} + +static inline void *kpp_tfm_ctx(struct crypto_kpp *tfm) +{ + return tfm->base.__crt_ctx; +} + +static inline void kpp_request_complete(struct kpp_request *req, int err) +{ + req->base.complete(&req->base, err); +} + +static inline const char *kpp_alg_name(struct crypto_kpp *tfm) +{ + return crypto_kpp_tfm(tfm)->__crt_alg->cra_name; +} + +/** + * crypto_register_kpp() -- Register key-agreement protocol primitives algorithm + * + * Function registers an implementation of a key-agreement protocol primitive + * algorithm + * + * @alg: algorithm definition + * + * Return: zero on success; error code in case of error + */ +int crypto_register_kpp(struct kpp_alg *alg); + +/** + * crypto_unregister_kpp() -- Unregister key-agreement protocol primitive + * algorithm + * + * Function unregisters an implementation of a key-agreement protocol primitive + * algorithm + * + * @alg: algorithm definition + */ +void crypto_unregister_kpp(struct kpp_alg *alg); + +#endif diff --git a/include/linux/serdev.h b/include/linux/serdev.h new file mode 100644 index 0000000..f06a849 --- /dev/null +++ b/include/linux/serdev.h @@ -0,0 +1,336 @@ +/* + * Copyright (C) 2016-2017 Linaro Ltd., Rob Herring + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#ifndef _LINUX_SERDEV_H +#define _LINUX_SERDEV_H + +#include +#include +#include +#include + +struct serdev_controller; +struct serdev_device; + +/* + * serdev device structures + */ + +/** + * struct serdev_device_ops - Callback operations for a serdev device + * @receive_buf: Function called with data received from device; + * returns number of bytes accepted; may sleep. + * @write_wakeup: Function called when ready to transmit more data; must + * not sleep. + */ +struct serdev_device_ops { + int (*receive_buf)(struct serdev_device *, const unsigned char *, size_t); + void (*write_wakeup)(struct serdev_device *); +}; + +/** + * struct serdev_device - Basic representation of an serdev device + * @dev: Driver model representation of the device. + * @nr: Device number on serdev bus. + * @ctrl: serdev controller managing this device. + * @ops: Device operations. + * @write_comp Completion used by serdev_device_write() internally + * @write_lock Lock to serialize access when writing data + */ +struct serdev_device { + struct device dev; + int nr; + struct serdev_controller *ctrl; + const struct serdev_device_ops *ops; + struct completion write_comp; + struct mutex write_lock; +}; + +static inline struct serdev_device *to_serdev_device(struct device *d) +{ + return container_of(d, struct serdev_device, dev); +} + +/** + * struct serdev_device_driver - serdev slave device driver + * @driver: serdev device drivers should initialize name field of this + * structure. + * @probe: binds this driver to a serdev device. + * @remove: unbinds this driver from the serdev device. + */ +struct serdev_device_driver { + struct device_driver driver; + int (*probe)(struct serdev_device *); + void (*remove)(struct serdev_device *); +}; + +static inline struct serdev_device_driver *to_serdev_device_driver(struct device_driver *d) +{ + return container_of(d, struct serdev_device_driver, driver); +} + +enum serdev_parity { + SERDEV_PARITY_NONE, + SERDEV_PARITY_EVEN, + SERDEV_PARITY_ODD, +}; + +/* + * serdev controller structures + */ +struct serdev_controller_ops { + int (*write_buf)(struct serdev_controller *, const unsigned char *, size_t); + void (*write_flush)(struct serdev_controller *); + int (*write_room)(struct serdev_controller *); + int (*open)(struct serdev_controller *); + void (*close)(struct serdev_controller *); + void (*set_flow_control)(struct serdev_controller *, bool); + int (*set_parity)(struct serdev_controller *, enum serdev_parity); + unsigned int (*set_baudrate)(struct serdev_controller *, unsigned int); + void (*wait_until_sent)(struct serdev_controller *, long); + int (*get_tiocm)(struct serdev_controller *); + int (*set_tiocm)(struct serdev_controller *, unsigned int, unsigned int); +}; + +/** + * struct serdev_controller - interface to the serdev controller + * @dev: Driver model representation of the device. + * @nr: number identifier for this controller/bus. + * @serdev: Pointer to slave device for this controller. + * @ops: Controller operations. + */ +struct serdev_controller { + struct device dev; + unsigned int nr; + struct serdev_device *serdev; + const struct serdev_controller_ops *ops; +}; + +static inline struct serdev_controller *to_serdev_controller(struct device *d) +{ + return container_of(d, struct serdev_controller, dev); +} + +static inline void *serdev_device_get_drvdata(const struct serdev_device *serdev) +{ + return dev_get_drvdata(&serdev->dev); +} + +static inline void serdev_device_set_drvdata(struct serdev_device *serdev, void *data) +{ + dev_set_drvdata(&serdev->dev, data); +} + +/** + * serdev_device_put() - decrement serdev device refcount + * @serdev serdev device. + */ +static inline void serdev_device_put(struct serdev_device *serdev) +{ + if (serdev) + put_device(&serdev->dev); +} + +static inline void serdev_device_set_client_ops(struct serdev_device *serdev, + const struct serdev_device_ops *ops) +{ + serdev->ops = ops; +} + +static inline +void *serdev_controller_get_drvdata(const struct serdev_controller *ctrl) +{ + return ctrl ? dev_get_drvdata(&ctrl->dev) : NULL; +} + +static inline void serdev_controller_set_drvdata(struct serdev_controller *ctrl, + void *data) +{ + dev_set_drvdata(&ctrl->dev, data); +} + +/** + * serdev_controller_put() - decrement controller refcount + * @ctrl serdev controller. + */ +static inline void serdev_controller_put(struct serdev_controller *ctrl) +{ + if (ctrl) + put_device(&ctrl->dev); +} + +struct serdev_device *serdev_device_alloc(struct serdev_controller *); +int serdev_device_add(struct serdev_device *); +void serdev_device_remove(struct serdev_device *); + +struct serdev_controller *serdev_controller_alloc(struct device *, size_t); +int serdev_controller_add(struct serdev_controller *); +void serdev_controller_remove(struct serdev_controller *); + +static inline void serdev_controller_write_wakeup(struct serdev_controller *ctrl) +{ + struct serdev_device *serdev = ctrl->serdev; + + if (!serdev || !serdev->ops->write_wakeup) + return; + + serdev->ops->write_wakeup(serdev); +} + +static inline int serdev_controller_receive_buf(struct serdev_controller *ctrl, + const unsigned char *data, + size_t count) +{ + struct serdev_device *serdev = ctrl->serdev; + + if (!serdev || !serdev->ops->receive_buf) + return 0; + + return serdev->ops->receive_buf(serdev, data, count); +} + +#if IS_ENABLED(CPTCFG_SERIAL_DEV_BUS) +int serdev_device_open(struct serdev_device *); +void serdev_device_close(struct serdev_device *); +int devm_serdev_device_open(struct device *, struct serdev_device *); +unsigned int serdev_device_set_baudrate(struct serdev_device *, unsigned int); +void serdev_device_set_flow_control(struct serdev_device *, bool); +int serdev_device_write_buf(struct serdev_device *, const unsigned char *, size_t); +void serdev_device_wait_until_sent(struct serdev_device *, long); +int serdev_device_get_tiocm(struct serdev_device *); +int serdev_device_set_tiocm(struct serdev_device *, int, int); +void serdev_device_write_wakeup(struct serdev_device *); +int serdev_device_write(struct serdev_device *, const unsigned char *, size_t, unsigned long); +void serdev_device_write_flush(struct serdev_device *); +int serdev_device_write_room(struct serdev_device *); + +/* + * serdev device driver functions + */ +int __serdev_device_driver_register(struct serdev_device_driver *, struct module *); +#define serdev_device_driver_register(sdrv) \ + __serdev_device_driver_register(sdrv, THIS_MODULE) + +/** + * serdev_device_driver_unregister() - unregister an serdev client driver + * @sdrv: the driver to unregister + */ +static inline void serdev_device_driver_unregister(struct serdev_device_driver *sdrv) +{ + if (sdrv) + driver_unregister(&sdrv->driver); +} + +#define module_serdev_device_driver(__serdev_device_driver) \ + module_driver(__serdev_device_driver, serdev_device_driver_register, \ + serdev_device_driver_unregister) + +#else +static inline int serdev_device_open(struct serdev_device *sdev) +{ + return -ENODEV; +} +static inline void serdev_device_close(struct serdev_device *sdev) {} +static inline unsigned int serdev_device_set_baudrate(struct serdev_device *sdev, unsigned int baudrate) +{ + return 0; +} +static inline void serdev_device_set_flow_control(struct serdev_device *sdev, bool enable) {} +static inline int serdev_device_write_buf(struct serdev_device *serdev, + const unsigned char *buf, + size_t count) +{ + return -ENODEV; +} +static inline void serdev_device_wait_until_sent(struct serdev_device *sdev, long timeout) {} +static inline int serdev_device_get_tiocm(struct serdev_device *serdev) +{ + return -ENOTSUPP; +} +static inline int serdev_device_set_tiocm(struct serdev_device *serdev, int set, int clear) +{ + return -ENOTSUPP; +} +static inline int serdev_device_write(struct serdev_device *sdev, const unsigned char *buf, + size_t count, unsigned long timeout) +{ + return -ENODEV; +} +static inline void serdev_device_write_flush(struct serdev_device *sdev) {} +static inline int serdev_device_write_room(struct serdev_device *sdev) +{ + return 0; +} + +#define serdev_device_driver_register(x) +#define serdev_device_driver_unregister(x) + +#endif /* CPTCFG_SERIAL_DEV_BUS */ + +static inline bool serdev_device_get_cts(struct serdev_device *serdev) +{ + int status = serdev_device_get_tiocm(serdev); + return !!(status & TIOCM_CTS); +} + +static inline int serdev_device_wait_for_cts(struct serdev_device *serdev, bool state, int timeout_ms) +{ + unsigned long timeout; + bool signal; + + timeout = jiffies + msecs_to_jiffies(timeout_ms); + while (time_is_after_jiffies(timeout)) { + signal = serdev_device_get_cts(serdev); + if (signal == state) + return 0; + usleep_range(1000, 2000); + } + + return -ETIMEDOUT; +} + +static inline int serdev_device_set_rts(struct serdev_device *serdev, bool enable) +{ + if (enable) + return serdev_device_set_tiocm(serdev, TIOCM_RTS, 0); + else + return serdev_device_set_tiocm(serdev, 0, TIOCM_RTS); +} + +int serdev_device_set_parity(struct serdev_device *serdev, + enum serdev_parity parity); + +/* + * serdev hooks into TTY core + */ +struct tty_port; +struct tty_driver; + +#ifdef CPTCFG_SERIAL_DEV_CTRL_TTYPORT +struct device *serdev_tty_port_register(struct tty_port *port, + struct device *parent, + struct tty_driver *drv, int idx); +int serdev_tty_port_unregister(struct tty_port *port); +#else +static inline struct device *serdev_tty_port_register(struct tty_port *port, + struct device *parent, + struct tty_driver *drv, int idx) +{ + return ERR_PTR(-ENODEV); +} +static inline int serdev_tty_port_unregister(struct tty_port *port) +{ + return -ENODEV; +} +#endif /* CPTCFG_SERIAL_DEV_CTRL_TTYPORT */ + +#endif /*_LINUX_SERDEV_H */ diff --git a/include/net/bluetooth/.hci_core.h.kate-swp b/include/net/bluetooth/.hci_core.h.kate-swp new file mode 100644 index 0000000..19bf82d Binary files /dev/null and b/include/net/bluetooth/.hci_core.h.kate-swp differ diff --git a/include/net/bluetooth/.rfcomm.h.kate-swp b/include/net/bluetooth/.rfcomm.h.kate-swp new file mode 100644 index 0000000..3138a6c Binary files /dev/null and b/include/net/bluetooth/.rfcomm.h.kate-swp differ diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h new file mode 100644 index 0000000..e49536a --- /dev/null +++ b/include/net/bluetooth/bluetooth.h @@ -0,0 +1,416 @@ +/* + BlueZ - Bluetooth protocol stack for Linux + Copyright (C) 2000-2001 Qualcomm Incorporated + + Written 2000,2001 by Maxim Krasnyansky + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License version 2 as + published by the Free Software Foundation; + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. + IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY + CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + + ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, + COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS + SOFTWARE IS DISCLAIMED. +*/ + +#ifndef __BLUETOOTH_H +#define __BLUETOOTH_H + +#include +#include +#include + +#define BT_SUBSYS_VERSION 2 +#define BT_SUBSYS_REVISION 22 + +#ifndef AF_BLUETOOTH +#define AF_BLUETOOTH 31 +#define PF_BLUETOOTH AF_BLUETOOTH +#endif + +/* Bluetooth versions */ +#define BLUETOOTH_VER_1_1 1 +#define BLUETOOTH_VER_1_2 2 +#define BLUETOOTH_VER_2_0 3 + +/* Reserv for core and drivers use */ +#define BT_SKB_RESERVE 8 + +#define BTPROTO_L2CAP 0 +#define BTPROTO_HCI 1 +#define BTPROTO_SCO 2 +#define BTPROTO_RFCOMM 3 +#define BTPROTO_BNEP 4 +#define BTPROTO_CMTP 5 +#define BTPROTO_HIDP 6 +#define BTPROTO_AVDTP 7 + +#define SOL_HCI 0 +#define SOL_L2CAP 6 +#define SOL_SCO 17 +#define SOL_RFCOMM 18 + +#define BT_SECURITY 4 +struct bt_security { + __u8 level; + __u8 key_size; +}; +#define BT_SECURITY_SDP 0 +#define BT_SECURITY_LOW 1 +#define BT_SECURITY_MEDIUM 2 +#define BT_SECURITY_HIGH 3 +#define BT_SECURITY_FIPS 4 + +#define BT_DEFER_SETUP 7 + +#define BT_FLUSHABLE 8 + +#define BT_FLUSHABLE_OFF 0 +#define BT_FLUSHABLE_ON 1 + +#define BT_POWER 9 +struct bt_power { + __u8 force_active; +}; +#define BT_POWER_FORCE_ACTIVE_OFF 0 +#define BT_POWER_FORCE_ACTIVE_ON 1 + +#define BT_CHANNEL_POLICY 10 + +/* BR/EDR only (default policy) + * AMP controllers cannot be used. + * Channel move requests from the remote device are denied. + * If the L2CAP channel is currently using AMP, move the channel to BR/EDR. + */ +#define BT_CHANNEL_POLICY_BREDR_ONLY 0 + +/* BR/EDR Preferred + * Allow use of AMP controllers. + * If the L2CAP channel is currently on AMP, move it to BR/EDR. + * Channel move requests from the remote device are allowed. + */ +#define BT_CHANNEL_POLICY_BREDR_PREFERRED 1 + +/* AMP Preferred + * Allow use of AMP controllers + * If the L2CAP channel is currently on BR/EDR and AMP controller + * resources are available, initiate a channel move to AMP. + * Channel move requests from the remote device are allowed. + * If the L2CAP socket has not been connected yet, try to create + * and configure the channel directly on an AMP controller rather + * than BR/EDR. + */ +#define BT_CHANNEL_POLICY_AMP_PREFERRED 2 + +#define BT_VOICE 11 +struct bt_voice { + __u16 setting; +}; + +#define BT_VOICE_TRANSPARENT 0x0003 +#define BT_VOICE_CVSD_16BIT 0x0060 + +#define BT_SNDMTU 12 +#define BT_RCVMTU 13 + +__printf(1, 2) +void bt_info(const char *fmt, ...); +__printf(1, 2) +void bt_warn(const char *fmt, ...); +__printf(1, 2) +void bt_err(const char *fmt, ...); +__printf(1, 2) +void bt_err_ratelimited(const char *fmt, ...); + +#define BT_INFO(fmt, ...) bt_info(fmt "\n", ##__VA_ARGS__) +#define BT_WARN(fmt, ...) bt_warn(fmt "\n", ##__VA_ARGS__) +#define BT_ERR(fmt, ...) bt_err(fmt "\n", ##__VA_ARGS__) +#define BT_DBG(fmt, ...) pr_debug(fmt "\n", ##__VA_ARGS__) + +#define BT_ERR_RATELIMITED(fmt, ...) bt_err_ratelimited(fmt "\n", ##__VA_ARGS__) + +#define bt_dev_info(hdev, fmt, ...) \ + BT_INFO("%s: " fmt, (hdev)->name, ##__VA_ARGS__) +#define bt_dev_warn(hdev, fmt, ...) \ + BT_WARN("%s: " fmt, (hdev)->name, ##__VA_ARGS__) +#define bt_dev_err(hdev, fmt, ...) \ + BT_ERR("%s: " fmt, (hdev)->name, ##__VA_ARGS__) +#define bt_dev_dbg(hdev, fmt, ...) \ + BT_DBG("%s: " fmt, (hdev)->name, ##__VA_ARGS__) + +#define bt_dev_err_ratelimited(hdev, fmt, ...) \ + BT_ERR_RATELIMITED("%s: " fmt, (hdev)->name, ##__VA_ARGS__) + +/* Connection and socket states */ +enum { + BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */ + BT_OPEN, + BT_BOUND, + BT_LISTEN, + BT_CONNECT, + BT_CONNECT2, + BT_CONFIG, + BT_DISCONN, + BT_CLOSED +}; + +/* If unused will be removed by compiler */ +static inline const char *state_to_string(int state) +{ + switch (state) { + case BT_CONNECTED: + return "BT_CONNECTED"; + case BT_OPEN: + return "BT_OPEN"; + case BT_BOUND: + return "BT_BOUND"; + case BT_LISTEN: + return "BT_LISTEN"; + case BT_CONNECT: + return "BT_CONNECT"; + case BT_CONNECT2: + return "BT_CONNECT2"; + case BT_CONFIG: + return "BT_CONFIG"; + case BT_DISCONN: + return "BT_DISCONN"; + case BT_CLOSED: + return "BT_CLOSED"; + } + + return "invalid state"; +} + +/* BD Address */ +typedef struct { + __u8 b[6]; +} __packed bdaddr_t; + +/* BD Address type */ +#define BDADDR_BREDR 0x00 +#define BDADDR_LE_PUBLIC 0x01 +#define BDADDR_LE_RANDOM 0x02 + +static inline bool bdaddr_type_is_valid(u8 type) +{ + switch (type) { + case BDADDR_BREDR: + case BDADDR_LE_PUBLIC: + case BDADDR_LE_RANDOM: + return true; + } + + return false; +} + +static inline bool bdaddr_type_is_le(u8 type) +{ + switch (type) { + case BDADDR_LE_PUBLIC: + case BDADDR_LE_RANDOM: + return true; + } + + return false; +} + +#define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}}) +#define BDADDR_NONE (&(bdaddr_t) {{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}}) + +/* Copy, swap, convert BD Address */ +static inline int bacmp(const bdaddr_t *ba1, const bdaddr_t *ba2) +{ + return memcmp(ba1, ba2, sizeof(bdaddr_t)); +} +static inline void bacpy(bdaddr_t *dst, const bdaddr_t *src) +{ + memcpy(dst, src, sizeof(bdaddr_t)); +} + +void baswap(bdaddr_t *dst, const bdaddr_t *src); + +/* Common socket structures and functions */ + +#define bt_sk(__sk) ((struct bt_sock *) __sk) + +struct bt_sock { + struct sock sk; + struct list_head accept_q; + struct sock *parent; + unsigned long flags; + void (*skb_msg_name)(struct sk_buff *, void *, int *); +}; + +enum { + BT_SK_DEFER_SETUP, + BT_SK_SUSPEND, +}; + +struct bt_sock_list { + struct hlist_head head; + rwlock_t lock; +#ifdef CONFIG_PROC_FS + int (* custom_seq_show)(struct seq_file *, void *); +#endif +}; + +int bt_sock_register(int proto, const struct net_proto_family *ops); +void bt_sock_unregister(int proto); +void bt_sock_link(struct bt_sock_list *l, struct sock *s); +void bt_sock_unlink(struct bt_sock_list *l, struct sock *s); +int bt_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, + int flags); +int bt_sock_stream_recvmsg(struct socket *sock, struct msghdr *msg, + size_t len, int flags); +__poll_t bt_sock_poll(struct file *file, struct socket *sock, poll_table *wait); +int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); +int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo); +int bt_sock_wait_ready(struct sock *sk, unsigned long flags); + +void bt_accept_enqueue(struct sock *parent, struct sock *sk); +void bt_accept_unlink(struct sock *sk); +struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock); + +/* Skb helpers */ +struct l2cap_ctrl { + u8 sframe:1, + poll:1, + final:1, + fcs:1, + sar:2, + super:2; + + u16 reqseq; + u16 txseq; + u8 retries; + __le16 psm; + bdaddr_t bdaddr; + struct l2cap_chan *chan; +}; + +struct hci_dev; + +typedef void (*hci_req_complete_t)(struct hci_dev *hdev, u8 status, u16 opcode); +typedef void (*hci_req_complete_skb_t)(struct hci_dev *hdev, u8 status, + u16 opcode, struct sk_buff *skb); + +#define HCI_REQ_START BIT(0) +#define HCI_REQ_SKB BIT(1) + +struct hci_ctrl { + u16 opcode; + u8 req_flags; + u8 req_event; + union { + hci_req_complete_t req_complete; + hci_req_complete_skb_t req_complete_skb; + }; +}; + +struct bt_skb_cb { + u8 pkt_type; + u8 force_active; + u16 expect; + u8 incoming:1; + union { + struct l2cap_ctrl l2cap; + struct hci_ctrl hci; + }; +}; +#define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb)) + +#define hci_skb_pkt_type(skb) bt_cb((skb))->pkt_type +#define hci_skb_expect(skb) bt_cb((skb))->expect +#define hci_skb_opcode(skb) bt_cb((skb))->hci.opcode + +static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how) +{ + struct sk_buff *skb; + + skb = alloc_skb(len + BT_SKB_RESERVE, how); + if (skb) + skb_reserve(skb, BT_SKB_RESERVE); + return skb; +} + +static inline struct sk_buff *bt_skb_send_alloc(struct sock *sk, + unsigned long len, int nb, int *err) +{ + struct sk_buff *skb; + + skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err); + if (skb) + skb_reserve(skb, BT_SKB_RESERVE); + + if (!skb && *err) + return NULL; + + *err = sock_error(sk); + if (*err) + goto out; + + if (sk->sk_shutdown) { + *err = -ECONNRESET; + goto out; + } + + return skb; + +out: + kfree_skb(skb); + return NULL; +} + +int bt_to_errno(u16 code); + +void hci_sock_set_flag(struct sock *sk, int nr); +void hci_sock_clear_flag(struct sock *sk, int nr); +int hci_sock_test_flag(struct sock *sk, int nr); +unsigned short hci_sock_get_channel(struct sock *sk); +u32 hci_sock_get_cookie(struct sock *sk); + +int hci_sock_init(void); +void hci_sock_cleanup(void); + +int bt_sysfs_init(void); +void bt_sysfs_cleanup(void); + +int bt_procfs_init(struct net *net, const char *name, + struct bt_sock_list *sk_list, + int (*seq_show)(struct seq_file *, void *)); +void bt_procfs_cleanup(struct net *net, const char *name); + +extern struct dentry *bt_debugfs; + +int l2cap_init(void); +void l2cap_exit(void); + +#if IS_ENABLED(CPTCFG_BT_BREDR) +int sco_init(void); +void sco_exit(void); +#else +static inline int sco_init(void) +{ + return 0; +} + +static inline void sco_exit(void) +{ +} +#endif + +int mgmt_init(void); +void mgmt_exit(void); + +void bt_sock_reclassify_lock(struct sock *sk, int proto); + +#endif /* __BLUETOOTH_H */ diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h new file mode 100644 index 0000000..1668211 --- /dev/null +++ b/include/net/bluetooth/hci.h @@ -0,0 +1,2032 @@ +/* + BlueZ - Bluetooth protocol stack for Linux + Copyright (C) 2000-2001 Qualcomm Incorporated + + Written 2000,2001 by Maxim Krasnyansky + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License version 2 as + published by the Free Software Foundation; + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. + IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY + CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + + ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, + COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS + SOFTWARE IS DISCLAIMED. +*/ + +#ifndef __HCI_H +#define __HCI_H + +#define HCI_MAX_ACL_SIZE 1024 +#define HCI_MAX_SCO_SIZE 255 +#define HCI_MAX_EVENT_SIZE 260 +#define HCI_MAX_FRAME_SIZE (HCI_MAX_ACL_SIZE + 4) + +#define HCI_LINK_KEY_SIZE 16 +#define HCI_AMP_LINK_KEY_SIZE (2 * HCI_LINK_KEY_SIZE) + +#define HCI_MAX_AMP_ASSOC_SIZE 672 + +#define HCI_MAX_CSB_DATA_SIZE 252 + +/* HCI dev events */ +#define HCI_DEV_REG 1 +#define HCI_DEV_UNREG 2 +#define HCI_DEV_UP 3 +#define HCI_DEV_DOWN 4 +#define HCI_DEV_SUSPEND 5 +#define HCI_DEV_RESUME 6 +#define HCI_DEV_OPEN 7 +#define HCI_DEV_CLOSE 8 +#define HCI_DEV_SETUP 9 + +/* HCI notify events */ +#define HCI_NOTIFY_CONN_ADD 1 +#define HCI_NOTIFY_CONN_DEL 2 +#define HCI_NOTIFY_VOICE_SETTING 3 + +/* HCI bus types */ +#define HCI_VIRTUAL 0 +#define HCI_USB 1 +#define HCI_PCCARD 2 +#define HCI_UART 3 +#define HCI_RS232 4 +#define HCI_PCI 5 +#define HCI_SDIO 6 +#define HCI_SPI 7 +#define HCI_I2C 8 +#define HCI_SMD 9 + +/* HCI controller types */ +#define HCI_PRIMARY 0x00 +#define HCI_AMP 0x01 + +/* First BR/EDR Controller shall have ID = 0 */ +#define AMP_ID_BREDR 0x00 + +/* AMP controller types */ +#define AMP_TYPE_BREDR 0x00 +#define AMP_TYPE_80211 0x01 + +/* AMP controller status */ +#define AMP_STATUS_POWERED_DOWN 0x00 +#define AMP_STATUS_BLUETOOTH_ONLY 0x01 +#define AMP_STATUS_NO_CAPACITY 0x02 +#define AMP_STATUS_LOW_CAPACITY 0x03 +#define AMP_STATUS_MEDIUM_CAPACITY 0x04 +#define AMP_STATUS_HIGH_CAPACITY 0x05 +#define AMP_STATUS_FULL_CAPACITY 0x06 + +/* HCI device quirks */ +enum { + /* When this quirk is set, the HCI Reset command is send when + * closing the transport instead of when opening it. + * + * This quirk must be set before hci_register_dev is called. + */ + HCI_QUIRK_RESET_ON_CLOSE, + + /* When this quirk is set, the device is turned into a raw-only + * device and it will stay in unconfigured state. + * + * This quirk must be set before hci_register_dev is called. + */ + HCI_QUIRK_RAW_DEVICE, + + /* When this quirk is set, the buffer sizes reported by + * HCI Read Buffer Size command are corrected if invalid. + * + * This quirk must be set before hci_register_dev is called. + */ + HCI_QUIRK_FIXUP_BUFFER_SIZE, + + /* When this quirk is set, then a controller that does not + * indicate support for Inquiry Result with RSSI is assumed to + * support it anyway. Some early Bluetooth 1.2 controllers had + * wrongly configured local features that will require forcing + * them to enable this mode. Getting RSSI information with the + * inquiry responses is preferred since it allows for a better + * user expierence. + * + * This quirk must be set before hci_register_dev is called. + */ + HCI_QUIRK_FIXUP_INQUIRY_MODE, + + /* When this quirk is set, then the HCI Read Local Supported + * Commands command is not supported. In general Bluetooth 1.2 + * and later controllers should support this command. However + * some controllers indicate Bluetooth 1.2 support, but do + * not support this command. + * + * This quirk must be set before hci_register_dev is called. + */ + HCI_QUIRK_BROKEN_LOCAL_COMMANDS, + + /* When this quirk is set, then no stored link key handling + * is performed. This is mainly due to the fact that the + * HCI Delete Stored Link Key command is advertised, but + * not supported. + * + * This quirk must be set before hci_register_dev is called. + */ + HCI_QUIRK_BROKEN_STORED_LINK_KEY, + + /* When this quirk is set, an external configuration step + * is required and will be indicated with the controller + * configuation. + * + * This quirk can be set before hci_register_dev is called or + * during the hdev->setup vendor callback. + */ + HCI_QUIRK_EXTERNAL_CONFIG, + + /* When this quirk is set, the public Bluetooth address + * initially reported by HCI Read BD Address command + * is considered invalid. Controller configuration is + * required before this device can be used. + * + * This quirk can be set before hci_register_dev is called or + * during the hdev->setup vendor callback. + */ + HCI_QUIRK_INVALID_BDADDR, + + /* When this quirk is set, the duplicate filtering during + * scanning is based on Bluetooth devices addresses. To allow + * RSSI based updates, restart scanning if needed. + * + * This quirk can be set before hci_register_dev is called or + * during the hdev->setup vendor callback. + */ + HCI_QUIRK_STRICT_DUPLICATE_FILTER, + + /* When this quirk is set, LE scan and BR/EDR inquiry is done + * simultaneously, otherwise it's interleaved. + * + * This quirk can be set before hci_register_dev is called or + * during the hdev->setup vendor callback. + */ + HCI_QUIRK_SIMULTANEOUS_DISCOVERY, + + /* When this quirk is set, the enabling of diagnostic mode is + * not persistent over HCI Reset. Every time the controller + * is brought up it needs to be reprogrammed. + * + * This quirk can be set before hci_register_dev is called or + * during the hdev->setup vendor callback. + */ + HCI_QUIRK_NON_PERSISTENT_DIAG, +}; + +/* HCI device flags */ +enum { + HCI_UP, + HCI_INIT, + HCI_RUNNING, + + HCI_PSCAN, + HCI_ISCAN, + HCI_AUTH, + HCI_ENCRYPT, + HCI_INQUIRY, + + HCI_RAW, + + HCI_RESET, +}; + +/* HCI socket flags */ +enum { + HCI_SOCK_TRUSTED, + HCI_MGMT_INDEX_EVENTS, + HCI_MGMT_UNCONF_INDEX_EVENTS, + HCI_MGMT_EXT_INDEX_EVENTS, + HCI_MGMT_EXT_INFO_EVENTS, + HCI_MGMT_OPTION_EVENTS, + HCI_MGMT_SETTING_EVENTS, + HCI_MGMT_DEV_CLASS_EVENTS, + HCI_MGMT_LOCAL_NAME_EVENTS, + HCI_MGMT_OOB_DATA_EVENTS, +}; + +/* + * BR/EDR and/or LE controller flags: the flags defined here should represent + * states from the controller. + */ +enum { + HCI_SETUP, + HCI_CONFIG, + HCI_AUTO_OFF, + HCI_RFKILLED, + HCI_MGMT, + HCI_BONDABLE, + HCI_SERVICE_CACHE, + HCI_KEEP_DEBUG_KEYS, + HCI_USE_DEBUG_KEYS, + HCI_UNREGISTER, + HCI_UNCONFIGURED, + HCI_USER_CHANNEL, + HCI_EXT_CONFIGURED, + HCI_LE_ADV, + HCI_LE_SCAN, + HCI_SSP_ENABLED, + HCI_SC_ENABLED, + HCI_SC_ONLY, + HCI_PRIVACY, + HCI_LIMITED_PRIVACY, + HCI_RPA_EXPIRED, + HCI_RPA_RESOLVING, + HCI_HS_ENABLED, + HCI_LE_ENABLED, + HCI_ADVERTISING, + HCI_ADVERTISING_CONNECTABLE, + HCI_CONNECTABLE, + HCI_DISCOVERABLE, + HCI_LIMITED_DISCOVERABLE, + HCI_LINK_SECURITY, + HCI_PERIODIC_INQ, + HCI_FAST_CONNECTABLE, + HCI_BREDR_ENABLED, + HCI_LE_SCAN_INTERRUPTED, + + HCI_DUT_MODE, + HCI_VENDOR_DIAG, + HCI_FORCE_BREDR_SMP, + HCI_FORCE_STATIC_ADDR, + + __HCI_NUM_FLAGS, +}; + +/* HCI timeouts */ +#define HCI_DISCONN_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ +#define HCI_PAIRING_TIMEOUT msecs_to_jiffies(60000) /* 60 seconds */ +#define HCI_INIT_TIMEOUT msecs_to_jiffies(10000) /* 10 seconds */ +#define HCI_CMD_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ +#define HCI_ACL_TX_TIMEOUT msecs_to_jiffies(45000) /* 45 seconds */ +#define HCI_AUTO_OFF_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ +#define HCI_POWER_OFF_TIMEOUT msecs_to_jiffies(5000) /* 5 seconds */ +#define HCI_LE_CONN_TIMEOUT msecs_to_jiffies(20000) /* 20 seconds */ +#define HCI_LE_AUTOCONN_TIMEOUT msecs_to_jiffies(4000) /* 4 seconds */ + +/* HCI data types */ +#define HCI_COMMAND_PKT 0x01 +#define HCI_ACLDATA_PKT 0x02 +#define HCI_SCODATA_PKT 0x03 +#define HCI_EVENT_PKT 0x04 +#define HCI_DIAG_PKT 0xf0 +#define HCI_VENDOR_PKT 0xff + +/* HCI packet types */ +#define HCI_DM1 0x0008 +#define HCI_DM3 0x0400 +#define HCI_DM5 0x4000 +#define HCI_DH1 0x0010 +#define HCI_DH3 0x0800 +#define HCI_DH5 0x8000 + +#define HCI_HV1 0x0020 +#define HCI_HV2 0x0040 +#define HCI_HV3 0x0080 + +#define SCO_PTYPE_MASK (HCI_HV1 | HCI_HV2 | HCI_HV3) +#define ACL_PTYPE_MASK (~SCO_PTYPE_MASK) + +/* eSCO packet types */ +#define ESCO_HV1 0x0001 +#define ESCO_HV2 0x0002 +#define ESCO_HV3 0x0004 +#define ESCO_EV3 0x0008 +#define ESCO_EV4 0x0010 +#define ESCO_EV5 0x0020 +#define ESCO_2EV3 0x0040 +#define ESCO_3EV3 0x0080 +#define ESCO_2EV5 0x0100 +#define ESCO_3EV5 0x0200 + +#define SCO_ESCO_MASK (ESCO_HV1 | ESCO_HV2 | ESCO_HV3) +#define EDR_ESCO_MASK (ESCO_2EV3 | ESCO_3EV3 | ESCO_2EV5 | ESCO_3EV5) + +/* ACL flags */ +#define ACL_START_NO_FLUSH 0x00 +#define ACL_CONT 0x01 +#define ACL_START 0x02 +#define ACL_COMPLETE 0x03 +#define ACL_ACTIVE_BCAST 0x04 +#define ACL_PICO_BCAST 0x08 + +/* Baseband links */ +#define SCO_LINK 0x00 +#define ACL_LINK 0x01 +#define ESCO_LINK 0x02 +/* Low Energy links do not have defined link type. Use invented one */ +#define LE_LINK 0x80 +#define AMP_LINK 0x81 +#define INVALID_LINK 0xff + +/* LMP features */ +#define LMP_3SLOT 0x01 +#define LMP_5SLOT 0x02 +#define LMP_ENCRYPT 0x04 +#define LMP_SOFFSET 0x08 +#define LMP_TACCURACY 0x10 +#define LMP_RSWITCH 0x20 +#define LMP_HOLD 0x40 +#define LMP_SNIFF 0x80 + +#define LMP_PARK 0x01 +#define LMP_RSSI 0x02 +#define LMP_QUALITY 0x04 +#define LMP_SCO 0x08 +#define LMP_HV2 0x10 +#define LMP_HV3 0x20 +#define LMP_ULAW 0x40 +#define LMP_ALAW 0x80 + +#define LMP_CVSD 0x01 +#define LMP_PSCHEME 0x02 +#define LMP_PCONTROL 0x04 +#define LMP_TRANSPARENT 0x08 + +#define LMP_RSSI_INQ 0x40 +#define LMP_ESCO 0x80 + +#define LMP_EV4 0x01 +#define LMP_EV5 0x02 +#define LMP_NO_BREDR 0x20 +#define LMP_LE 0x40 + +#define LMP_SNIFF_SUBR 0x02 +#define LMP_PAUSE_ENC 0x04 +#define LMP_EDR_ESCO_2M 0x20 +#define LMP_EDR_ESCO_3M 0x40 +#define LMP_EDR_3S_ESCO 0x80 + +#define LMP_EXT_INQ 0x01 +#define LMP_SIMUL_LE_BR 0x02 +#define LMP_SIMPLE_PAIR 0x08 +#define LMP_NO_FLUSH 0x40 + +#define LMP_LSTO 0x01 +#define LMP_INQ_TX_PWR 0x02 +#define LMP_EXTFEATURES 0x80 + +/* Extended LMP features */ +#define LMP_CSB_MASTER 0x01 +#define LMP_CSB_SLAVE 0x02 +#define LMP_SYNC_TRAIN 0x04 +#define LMP_SYNC_SCAN 0x08 + +#define LMP_SC 0x01 +#define LMP_PING 0x02 + +/* Host features */ +#define LMP_HOST_SSP 0x01 +#define LMP_HOST_LE 0x02 +#define LMP_HOST_LE_BREDR 0x04 +#define LMP_HOST_SC 0x08 + +/* LE features */ +#define HCI_LE_ENCRYPTION 0x01 +#define HCI_LE_CONN_PARAM_REQ_PROC 0x02 +#define HCI_LE_SLAVE_FEATURES 0x08 +#define HCI_LE_PING 0x10 +#define HCI_LE_DATA_LEN_EXT 0x20 +#define HCI_LE_EXT_SCAN_POLICY 0x80 +#define HCI_LE_CHAN_SEL_ALG2 0x40 + +/* Connection modes */ +#define HCI_CM_ACTIVE 0x0000 +#define HCI_CM_HOLD 0x0001 +#define HCI_CM_SNIFF 0x0002 +#define HCI_CM_PARK 0x0003 + +/* Link policies */ +#define HCI_LP_RSWITCH 0x0001 +#define HCI_LP_HOLD 0x0002 +#define HCI_LP_SNIFF 0x0004 +#define HCI_LP_PARK 0x0008 + +/* Link modes */ +#define HCI_LM_ACCEPT 0x8000 +#define HCI_LM_MASTER 0x0001 +#define HCI_LM_AUTH 0x0002 +#define HCI_LM_ENCRYPT 0x0004 +#define HCI_LM_TRUSTED 0x0008 +#define HCI_LM_RELIABLE 0x0010 +#define HCI_LM_SECURE 0x0020 +#define HCI_LM_FIPS 0x0040 + +/* Authentication types */ +#define HCI_AT_NO_BONDING 0x00 +#define HCI_AT_NO_BONDING_MITM 0x01 +#define HCI_AT_DEDICATED_BONDING 0x02 +#define HCI_AT_DEDICATED_BONDING_MITM 0x03 +#define HCI_AT_GENERAL_BONDING 0x04 +#define HCI_AT_GENERAL_BONDING_MITM 0x05 + +/* I/O capabilities */ +#define HCI_IO_DISPLAY_ONLY 0x00 +#define HCI_IO_DISPLAY_YESNO 0x01 +#define HCI_IO_KEYBOARD_ONLY 0x02 +#define HCI_IO_NO_INPUT_OUTPUT 0x03 + +/* Link Key types */ +#define HCI_LK_COMBINATION 0x00 +#define HCI_LK_LOCAL_UNIT 0x01 +#define HCI_LK_REMOTE_UNIT 0x02 +#define HCI_LK_DEBUG_COMBINATION 0x03 +#define HCI_LK_UNAUTH_COMBINATION_P192 0x04 +#define HCI_LK_AUTH_COMBINATION_P192 0x05 +#define HCI_LK_CHANGED_COMBINATION 0x06 +#define HCI_LK_UNAUTH_COMBINATION_P256 0x07 +#define HCI_LK_AUTH_COMBINATION_P256 0x08 + +/* ---- HCI Error Codes ---- */ +#define HCI_ERROR_UNKNOWN_CONN_ID 0x02 +#define HCI_ERROR_AUTH_FAILURE 0x05 +#define HCI_ERROR_PIN_OR_KEY_MISSING 0x06 +#define HCI_ERROR_MEMORY_EXCEEDED 0x07 +#define HCI_ERROR_CONNECTION_TIMEOUT 0x08 +#define HCI_ERROR_REJ_LIMITED_RESOURCES 0x0d +#define HCI_ERROR_REJ_BAD_ADDR 0x0f +#define HCI_ERROR_REMOTE_USER_TERM 0x13 +#define HCI_ERROR_REMOTE_LOW_RESOURCES 0x14 +#define HCI_ERROR_REMOTE_POWER_OFF 0x15 +#define HCI_ERROR_LOCAL_HOST_TERM 0x16 +#define HCI_ERROR_PAIRING_NOT_ALLOWED 0x18 +#define HCI_ERROR_INVALID_LL_PARAMS 0x1e +#define HCI_ERROR_UNSPECIFIED 0x1f +#define HCI_ERROR_ADVERTISING_TIMEOUT 0x3c + +/* Flow control modes */ +#define HCI_FLOW_CTL_MODE_PACKET_BASED 0x00 +#define HCI_FLOW_CTL_MODE_BLOCK_BASED 0x01 + +/* The core spec defines 127 as the "not available" value */ +#define HCI_TX_POWER_INVALID 127 +#define HCI_RSSI_INVALID 127 + +#define HCI_ROLE_MASTER 0x00 +#define HCI_ROLE_SLAVE 0x01 + +/* Extended Inquiry Response field types */ +#define EIR_FLAGS 0x01 /* flags */ +#define EIR_UUID16_SOME 0x02 /* 16-bit UUID, more available */ +#define EIR_UUID16_ALL 0x03 /* 16-bit UUID, all listed */ +#define EIR_UUID32_SOME 0x04 /* 32-bit UUID, more available */ +#define EIR_UUID32_ALL 0x05 /* 32-bit UUID, all listed */ +#define EIR_UUID128_SOME 0x06 /* 128-bit UUID, more available */ +#define EIR_UUID128_ALL 0x07 /* 128-bit UUID, all listed */ +#define EIR_NAME_SHORT 0x08 /* shortened local name */ +#define EIR_NAME_COMPLETE 0x09 /* complete local name */ +#define EIR_TX_POWER 0x0A /* transmit power level */ +#define EIR_CLASS_OF_DEV 0x0D /* Class of Device */ +#define EIR_SSP_HASH_C192 0x0E /* Simple Pairing Hash C-192 */ +#define EIR_SSP_RAND_R192 0x0F /* Simple Pairing Randomizer R-192 */ +#define EIR_DEVICE_ID 0x10 /* device ID */ +#define EIR_APPEARANCE 0x19 /* Device appearance */ +#define EIR_LE_BDADDR 0x1B /* LE Bluetooth device address */ +#define EIR_LE_ROLE 0x1C /* LE role */ +#define EIR_SSP_HASH_C256 0x1D /* Simple Pairing Hash C-256 */ +#define EIR_SSP_RAND_R256 0x1E /* Simple Pairing Rand R-256 */ +#define EIR_LE_SC_CONFIRM 0x22 /* LE SC Confirmation Value */ +#define EIR_LE_SC_RANDOM 0x23 /* LE SC Random Value */ + +/* Low Energy Advertising Flags */ +#define LE_AD_LIMITED 0x01 /* Limited Discoverable */ +#define LE_AD_GENERAL 0x02 /* General Discoverable */ +#define LE_AD_NO_BREDR 0x04 /* BR/EDR not supported */ +#define LE_AD_SIM_LE_BREDR_CTRL 0x08 /* Simultaneous LE & BR/EDR Controller */ +#define LE_AD_SIM_LE_BREDR_HOST 0x10 /* Simultaneous LE & BR/EDR Host */ + +/* ----- HCI Commands ---- */ +#define HCI_OP_NOP 0x0000 + +#define HCI_OP_INQUIRY 0x0401 +struct hci_cp_inquiry { + __u8 lap[3]; + __u8 length; + __u8 num_rsp; +} __packed; + +#define HCI_OP_INQUIRY_CANCEL 0x0402 + +#define HCI_OP_PERIODIC_INQ 0x0403 + +#define HCI_OP_EXIT_PERIODIC_INQ 0x0404 + +#define HCI_OP_CREATE_CONN 0x0405 +struct hci_cp_create_conn { + bdaddr_t bdaddr; + __le16 pkt_type; + __u8 pscan_rep_mode; + __u8 pscan_mode; + __le16 clock_offset; + __u8 role_switch; +} __packed; + +#define HCI_OP_DISCONNECT 0x0406 +struct hci_cp_disconnect { + __le16 handle; + __u8 reason; +} __packed; + +#define HCI_OP_ADD_SCO 0x0407 +struct hci_cp_add_sco { + __le16 handle; + __le16 pkt_type; +} __packed; + +#define HCI_OP_CREATE_CONN_CANCEL 0x0408 +struct hci_cp_create_conn_cancel { + bdaddr_t bdaddr; +} __packed; + +#define HCI_OP_ACCEPT_CONN_REQ 0x0409 +struct hci_cp_accept_conn_req { + bdaddr_t bdaddr; + __u8 role; +} __packed; + +#define HCI_OP_REJECT_CONN_REQ 0x040a +struct hci_cp_reject_conn_req { + bdaddr_t bdaddr; + __u8 reason; +} __packed; + +#define HCI_OP_LINK_KEY_REPLY 0x040b +struct hci_cp_link_key_reply { + bdaddr_t bdaddr; + __u8 link_key[HCI_LINK_KEY_SIZE]; +} __packed; + +#define HCI_OP_LINK_KEY_NEG_REPLY 0x040c +struct hci_cp_link_key_neg_reply { + bdaddr_t bdaddr; +} __packed; + +#define HCI_OP_PIN_CODE_REPLY 0x040d +struct hci_cp_pin_code_reply { + bdaddr_t bdaddr; + __u8 pin_len; + __u8 pin_code[16]; +} __packed; +struct hci_rp_pin_code_reply { + __u8 status; + bdaddr_t bdaddr; +} __packed; + +#define HCI_OP_PIN_CODE_NEG_REPLY 0x040e +struct hci_cp_pin_code_neg_reply { + bdaddr_t bdaddr; +} __packed; +struct hci_rp_pin_code_neg_reply { + __u8 status; + bdaddr_t bdaddr; +} __packed; + +#define HCI_OP_CHANGE_CONN_PTYPE 0x040f +struct hci_cp_change_conn_ptype { + __le16 handle; + __le16 pkt_type; +} __packed; + +#define HCI_OP_AUTH_REQUESTED 0x0411 +struct hci_cp_auth_requested { + __le16 handle; +} __packed; + +#define HCI_OP_SET_CONN_ENCRYPT 0x0413 +struct hci_cp_set_conn_encrypt { + __le16 handle; + __u8 encrypt; +} __packed; + +#define HCI_OP_CHANGE_CONN_LINK_KEY 0x0415 +struct hci_cp_change_conn_link_key { + __le16 handle; +} __packed; + +#define HCI_OP_REMOTE_NAME_REQ 0x0419 +struct hci_cp_remote_name_req { + bdaddr_t bdaddr; + __u8 pscan_rep_mode; + __u8 pscan_mode; + __le16 clock_offset; +} __packed; + +#define HCI_OP_REMOTE_NAME_REQ_CANCEL 0x041a +struct hci_cp_remote_name_req_cancel { + bdaddr_t bdaddr; +} __packed; + +#define HCI_OP_READ_REMOTE_FEATURES 0x041b +struct hci_cp_read_remote_features { + __le16 handle; +} __packed; + +#define HCI_OP_READ_REMOTE_EXT_FEATURES 0x041c +struct hci_cp_read_remote_ext_features { + __le16 handle; + __u8 page; +} __packed; + +#define HCI_OP_READ_REMOTE_VERSION 0x041d +struct hci_cp_read_remote_version { + __le16 handle; +} __packed; + +#define HCI_OP_READ_CLOCK_OFFSET 0x041f +struct hci_cp_read_clock_offset { + __le16 handle; +} __packed; + +#define HCI_OP_SETUP_SYNC_CONN 0x0428 +struct hci_cp_setup_sync_conn { + __le16 handle; + __le32 tx_bandwidth; + __le32 rx_bandwidth; + __le16 max_latency; + __le16 voice_setting; + __u8 retrans_effort; + __le16 pkt_type; +} __packed; + +#define HCI_OP_ACCEPT_SYNC_CONN_REQ 0x0429 +struct hci_cp_accept_sync_conn_req { + bdaddr_t bdaddr; + __le32 tx_bandwidth; + __le32 rx_bandwidth; + __le16 max_latency; + __le16 content_format; + __u8 retrans_effort; + __le16 pkt_type; +} __packed; + +#define HCI_OP_REJECT_SYNC_CONN_REQ 0x042a +struct hci_cp_reject_sync_conn_req { + bdaddr_t bdaddr; + __u8 reason; +} __packed; + +#define HCI_OP_IO_CAPABILITY_REPLY 0x042b +struct hci_cp_io_capability_reply { + bdaddr_t bdaddr; + __u8 capability; + __u8 oob_data; + __u8 authentication; +} __packed; + +#define HCI_OP_USER_CONFIRM_REPLY 0x042c +struct hci_cp_user_confirm_reply { + bdaddr_t bdaddr; +} __packed; +struct hci_rp_user_confirm_reply { + __u8 status; + bdaddr_t bdaddr; +} __packed; + +#define HCI_OP_USER_CONFIRM_NEG_REPLY 0x042d + +#define HCI_OP_USER_PASSKEY_REPLY 0x042e +struct hci_cp_user_passkey_reply { + bdaddr_t bdaddr; + __le32 passkey; +} __packed; + +#define HCI_OP_USER_PASSKEY_NEG_REPLY 0x042f + +#define HCI_OP_REMOTE_OOB_DATA_REPLY 0x0430 +struct hci_cp_remote_oob_data_reply { + bdaddr_t bdaddr; + __u8 hash[16]; + __u8 rand[16]; +} __packed; + +#define HCI_OP_REMOTE_OOB_DATA_NEG_REPLY 0x0433 +struct hci_cp_remote_oob_data_neg_reply { + bdaddr_t bdaddr; +} __packed; + +#define HCI_OP_IO_CAPABILITY_NEG_REPLY 0x0434 +struct hci_cp_io_capability_neg_reply { + bdaddr_t bdaddr; + __u8 reason; +} __packed; + +#define HCI_OP_CREATE_PHY_LINK 0x0435 +struct hci_cp_create_phy_link { + __u8 phy_handle; + __u8 key_len; + __u8 key_type; + __u8 key[HCI_AMP_LINK_KEY_SIZE]; +} __packed; + +#define HCI_OP_ACCEPT_PHY_LINK 0x0436 +struct hci_cp_accept_phy_link { + __u8 phy_handle; + __u8 key_len; + __u8 key_type; + __u8 key[HCI_AMP_LINK_KEY_SIZE]; +} __packed; + +#define HCI_OP_DISCONN_PHY_LINK 0x0437 +struct hci_cp_disconn_phy_link { + __u8 phy_handle; + __u8 reason; +} __packed; + +struct ext_flow_spec { + __u8 id; + __u8 stype; + __le16 msdu; + __le32 sdu_itime; + __le32 acc_lat; + __le32 flush_to; +} __packed; + +#define HCI_OP_CREATE_LOGICAL_LINK 0x0438 +#define HCI_OP_ACCEPT_LOGICAL_LINK 0x0439 +struct hci_cp_create_accept_logical_link { + __u8 phy_handle; + struct ext_flow_spec tx_flow_spec; + struct ext_flow_spec rx_flow_spec; +} __packed; + +#define HCI_OP_DISCONN_LOGICAL_LINK 0x043a +struct hci_cp_disconn_logical_link { + __le16 log_handle; +} __packed; + +#define HCI_OP_LOGICAL_LINK_CANCEL 0x043b +struct hci_cp_logical_link_cancel { + __u8 phy_handle; + __u8 flow_spec_id; +} __packed; + +struct hci_rp_logical_link_cancel { + __u8 status; + __u8 phy_handle; + __u8 flow_spec_id; +} __packed; + +#define HCI_OP_SET_CSB 0x0441 +struct hci_cp_set_csb { + __u8 enable; + __u8 lt_addr; + __u8 lpo_allowed; + __le16 packet_type; + __le16 interval_min; + __le16 interval_max; + __le16 csb_sv_tout; +} __packed; +struct hci_rp_set_csb { + __u8 status; + __u8 lt_addr; + __le16 interval; +} __packed; + +#define HCI_OP_START_SYNC_TRAIN 0x0443 + +#define HCI_OP_REMOTE_OOB_EXT_DATA_REPLY 0x0445 +struct hci_cp_remote_oob_ext_data_reply { + bdaddr_t bdaddr; + __u8 hash192[16]; + __u8 rand192[16]; + __u8 hash256[16]; + __u8 rand256[16]; +} __packed; + +#define HCI_OP_SNIFF_MODE 0x0803 +struct hci_cp_sniff_mode { + __le16 handle; + __le16 max_interval; + __le16 min_interval; + __le16 attempt; + __le16 timeout; +} __packed; + +#define HCI_OP_EXIT_SNIFF_MODE 0x0804 +struct hci_cp_exit_sniff_mode { + __le16 handle; +} __packed; + +#define HCI_OP_ROLE_DISCOVERY 0x0809 +struct hci_cp_role_discovery { + __le16 handle; +} __packed; +struct hci_rp_role_discovery { + __u8 status; + __le16 handle; + __u8 role; +} __packed; + +#define HCI_OP_SWITCH_ROLE 0x080b +struct hci_cp_switch_role { + bdaddr_t bdaddr; + __u8 role; +} __packed; + +#define HCI_OP_READ_LINK_POLICY 0x080c +struct hci_cp_read_link_policy { + __le16 handle; +} __packed; +struct hci_rp_read_link_policy { + __u8 status; + __le16 handle; + __le16 policy; +} __packed; + +#define HCI_OP_WRITE_LINK_POLICY 0x080d +struct hci_cp_write_link_policy { + __le16 handle; + __le16 policy; +} __packed; +struct hci_rp_write_link_policy { + __u8 status; + __le16 handle; +} __packed; + +#define HCI_OP_READ_DEF_LINK_POLICY 0x080e +struct hci_rp_read_def_link_policy { + __u8 status; + __le16 policy; +} __packed; + +#define HCI_OP_WRITE_DEF_LINK_POLICY 0x080f +struct hci_cp_write_def_link_policy { + __le16 policy; +} __packed; + +#define HCI_OP_SNIFF_SUBRATE 0x0811 +struct hci_cp_sniff_subrate { + __le16 handle; + __le16 max_latency; + __le16 min_remote_timeout; + __le16 min_local_timeout; +} __packed; + +#define HCI_OP_SET_EVENT_MASK 0x0c01 + +#define HCI_OP_RESET 0x0c03 + +#define HCI_OP_SET_EVENT_FLT 0x0c05 +struct hci_cp_set_event_flt { + __u8 flt_type; + __u8 cond_type; + __u8 condition[0]; +} __packed; + +/* Filter types */ +#define HCI_FLT_CLEAR_ALL 0x00 +#define HCI_FLT_INQ_RESULT 0x01 +#define HCI_FLT_CONN_SETUP 0x02 + +/* CONN_SETUP Condition types */ +#define HCI_CONN_SETUP_ALLOW_ALL 0x00 +#define HCI_CONN_SETUP_ALLOW_CLASS 0x01 +#define HCI_CONN_SETUP_ALLOW_BDADDR 0x02 + +/* CONN_SETUP Conditions */ +#define HCI_CONN_SETUP_AUTO_OFF 0x01 +#define HCI_CONN_SETUP_AUTO_ON 0x02 + +#define HCI_OP_READ_STORED_LINK_KEY 0x0c0d +struct hci_cp_read_stored_link_key { + bdaddr_t bdaddr; + __u8 read_all; +} __packed; +struct hci_rp_read_stored_link_key { + __u8 status; + __u8 max_keys; + __u8 num_keys; +} __packed; + +#define HCI_OP_DELETE_STORED_LINK_KEY 0x0c12 +struct hci_cp_delete_stored_link_key { + bdaddr_t bdaddr; + __u8 delete_all; +} __packed; +struct hci_rp_delete_stored_link_key { + __u8 status; + __u8 num_keys; +} __packed; + +#define HCI_MAX_NAME_LENGTH 248 + +#define HCI_OP_WRITE_LOCAL_NAME 0x0c13 +struct hci_cp_write_local_name { + __u8 name[HCI_MAX_NAME_LENGTH]; +} __packed; + +#define HCI_OP_READ_LOCAL_NAME 0x0c14 +struct hci_rp_read_local_name { + __u8 status; + __u8 name[HCI_MAX_NAME_LENGTH]; +} __packed; + +#define HCI_OP_WRITE_CA_TIMEOUT 0x0c16 + +#define HCI_OP_WRITE_PG_TIMEOUT 0x0c18 + +#define HCI_OP_WRITE_SCAN_ENABLE 0x0c1a + #define SCAN_DISABLED 0x00 + #define SCAN_INQUIRY 0x01 + #define SCAN_PAGE 0x02 + +#define HCI_OP_READ_AUTH_ENABLE 0x0c1f + +#define HCI_OP_WRITE_AUTH_ENABLE 0x0c20 + #define AUTH_DISABLED 0x00 + #define AUTH_ENABLED 0x01 + +#define HCI_OP_READ_ENCRYPT_MODE 0x0c21 + +#define HCI_OP_WRITE_ENCRYPT_MODE 0x0c22 + #define ENCRYPT_DISABLED 0x00 + #define ENCRYPT_P2P 0x01 + #define ENCRYPT_BOTH 0x02 + +#define HCI_OP_READ_CLASS_OF_DEV 0x0c23 +struct hci_rp_read_class_of_dev { + __u8 status; + __u8 dev_class[3]; +} __packed; + +#define HCI_OP_WRITE_CLASS_OF_DEV 0x0c24 +struct hci_cp_write_class_of_dev { + __u8 dev_class[3]; +} __packed; + +#define HCI_OP_READ_VOICE_SETTING 0x0c25 +struct hci_rp_read_voice_setting { + __u8 status; + __le16 voice_setting; +} __packed; + +#define HCI_OP_WRITE_VOICE_SETTING 0x0c26 +struct hci_cp_write_voice_setting { + __le16 voice_setting; +} __packed; + +#define HCI_OP_HOST_BUFFER_SIZE 0x0c33 +struct hci_cp_host_buffer_size { + __le16 acl_mtu; + __u8 sco_mtu; + __le16 acl_max_pkt; + __le16 sco_max_pkt; +} __packed; + +#define HCI_OP_READ_NUM_SUPPORTED_IAC 0x0c38 +struct hci_rp_read_num_supported_iac { + __u8 status; + __u8 num_iac; +} __packed; + +#define HCI_OP_READ_CURRENT_IAC_LAP 0x0c39 + +#define HCI_OP_WRITE_CURRENT_IAC_LAP 0x0c3a +struct hci_cp_write_current_iac_lap { + __u8 num_iac; + __u8 iac_lap[6]; +} __packed; + +#define HCI_OP_WRITE_INQUIRY_MODE 0x0c45 + +#define HCI_MAX_EIR_LENGTH 240 + +#define HCI_OP_WRITE_EIR 0x0c52 +struct hci_cp_write_eir { + __u8 fec; + __u8 data[HCI_MAX_EIR_LENGTH]; +} __packed; + +#define HCI_OP_READ_SSP_MODE 0x0c55 +struct hci_rp_read_ssp_mode { + __u8 status; + __u8 mode; +} __packed; + +#define HCI_OP_WRITE_SSP_MODE 0x0c56 +struct hci_cp_write_ssp_mode { + __u8 mode; +} __packed; + +#define HCI_OP_READ_LOCAL_OOB_DATA 0x0c57 +struct hci_rp_read_local_oob_data { + __u8 status; + __u8 hash[16]; + __u8 rand[16]; +} __packed; + +#define HCI_OP_READ_INQ_RSP_TX_POWER 0x0c58 +struct hci_rp_read_inq_rsp_tx_power { + __u8 status; + __s8 tx_power; +} __packed; + +#define HCI_OP_SET_EVENT_MASK_PAGE_2 0x0c63 + +#define HCI_OP_READ_LOCATION_DATA 0x0c64 + +#define HCI_OP_READ_FLOW_CONTROL_MODE 0x0c66 +struct hci_rp_read_flow_control_mode { + __u8 status; + __u8 mode; +} __packed; + +#define HCI_OP_WRITE_LE_HOST_SUPPORTED 0x0c6d +struct hci_cp_write_le_host_supported { + __u8 le; + __u8 simul; +} __packed; + +#define HCI_OP_SET_RESERVED_LT_ADDR 0x0c74 +struct hci_cp_set_reserved_lt_addr { + __u8 lt_addr; +} __packed; +struct hci_rp_set_reserved_lt_addr { + __u8 status; + __u8 lt_addr; +} __packed; + +#define HCI_OP_DELETE_RESERVED_LT_ADDR 0x0c75 +struct hci_cp_delete_reserved_lt_addr { + __u8 lt_addr; +} __packed; +struct hci_rp_delete_reserved_lt_addr { + __u8 status; + __u8 lt_addr; +} __packed; + +#define HCI_OP_SET_CSB_DATA 0x0c76 +struct hci_cp_set_csb_data { + __u8 lt_addr; + __u8 fragment; + __u8 data_length; + __u8 data[HCI_MAX_CSB_DATA_SIZE]; +} __packed; +struct hci_rp_set_csb_data { + __u8 status; + __u8 lt_addr; +} __packed; + +#define HCI_OP_READ_SYNC_TRAIN_PARAMS 0x0c77 + +#define HCI_OP_WRITE_SYNC_TRAIN_PARAMS 0x0c78 +struct hci_cp_write_sync_train_params { + __le16 interval_min; + __le16 interval_max; + __le32 sync_train_tout; + __u8 service_data; +} __packed; +struct hci_rp_write_sync_train_params { + __u8 status; + __le16 sync_train_int; +} __packed; + +#define HCI_OP_READ_SC_SUPPORT 0x0c79 +struct hci_rp_read_sc_support { + __u8 status; + __u8 support; +} __packed; + +#define HCI_OP_WRITE_SC_SUPPORT 0x0c7a +struct hci_cp_write_sc_support { + __u8 support; +} __packed; + +#define HCI_OP_READ_LOCAL_OOB_EXT_DATA 0x0c7d +struct hci_rp_read_local_oob_ext_data { + __u8 status; + __u8 hash192[16]; + __u8 rand192[16]; + __u8 hash256[16]; + __u8 rand256[16]; +} __packed; + +#define HCI_OP_READ_LOCAL_VERSION 0x1001 +struct hci_rp_read_local_version { + __u8 status; + __u8 hci_ver; + __le16 hci_rev; + __u8 lmp_ver; + __le16 manufacturer; + __le16 lmp_subver; +} __packed; + +#define HCI_OP_READ_LOCAL_COMMANDS 0x1002 +struct hci_rp_read_local_commands { + __u8 status; + __u8 commands[64]; +} __packed; + +#define HCI_OP_READ_LOCAL_FEATURES 0x1003 +struct hci_rp_read_local_features { + __u8 status; + __u8 features[8]; +} __packed; + +#define HCI_OP_READ_LOCAL_EXT_FEATURES 0x1004 +struct hci_cp_read_local_ext_features { + __u8 page; +} __packed; +struct hci_rp_read_local_ext_features { + __u8 status; + __u8 page; + __u8 max_page; + __u8 features[8]; +} __packed; + +#define HCI_OP_READ_BUFFER_SIZE 0x1005 +struct hci_rp_read_buffer_size { + __u8 status; + __le16 acl_mtu; + __u8 sco_mtu; + __le16 acl_max_pkt; + __le16 sco_max_pkt; +} __packed; + +#define HCI_OP_READ_BD_ADDR 0x1009 +struct hci_rp_read_bd_addr { + __u8 status; + bdaddr_t bdaddr; +} __packed; + +#define HCI_OP_READ_DATA_BLOCK_SIZE 0x100a +struct hci_rp_read_data_block_size { + __u8 status; + __le16 max_acl_len; + __le16 block_len; + __le16 num_blocks; +} __packed; + +#define HCI_OP_READ_LOCAL_CODECS 0x100b + +#define HCI_OP_READ_PAGE_SCAN_ACTIVITY 0x0c1b +struct hci_rp_read_page_scan_activity { + __u8 status; + __le16 interval; + __le16 window; +} __packed; + +#define HCI_OP_WRITE_PAGE_SCAN_ACTIVITY 0x0c1c +struct hci_cp_write_page_scan_activity { + __le16 interval; + __le16 window; +} __packed; + +#define HCI_OP_READ_TX_POWER 0x0c2d +struct hci_cp_read_tx_power { + __le16 handle; + __u8 type; +} __packed; +struct hci_rp_read_tx_power { + __u8 status; + __le16 handle; + __s8 tx_power; +} __packed; + +#define HCI_OP_READ_PAGE_SCAN_TYPE 0x0c46 +struct hci_rp_read_page_scan_type { + __u8 status; + __u8 type; +} __packed; + +#define HCI_OP_WRITE_PAGE_SCAN_TYPE 0x0c47 + #define PAGE_SCAN_TYPE_STANDARD 0x00 + #define PAGE_SCAN_TYPE_INTERLACED 0x01 + +#define HCI_OP_READ_RSSI 0x1405 +struct hci_cp_read_rssi { + __le16 handle; +} __packed; +struct hci_rp_read_rssi { + __u8 status; + __le16 handle; + __s8 rssi; +} __packed; + +#define HCI_OP_READ_CLOCK 0x1407 +struct hci_cp_read_clock { + __le16 handle; + __u8 which; +} __packed; +struct hci_rp_read_clock { + __u8 status; + __le16 handle; + __le32 clock; + __le16 accuracy; +} __packed; + +#define HCI_OP_READ_ENC_KEY_SIZE 0x1408 +struct hci_cp_read_enc_key_size { + __le16 handle; +} __packed; +struct hci_rp_read_enc_key_size { + __u8 status; + __le16 handle; + __u8 key_size; +} __packed; + +#define HCI_OP_READ_LOCAL_AMP_INFO 0x1409 +struct hci_rp_read_local_amp_info { + __u8 status; + __u8 amp_status; + __le32 total_bw; + __le32 max_bw; + __le32 min_latency; + __le32 max_pdu; + __u8 amp_type; + __le16 pal_cap; + __le16 max_assoc_size; + __le32 max_flush_to; + __le32 be_flush_to; +} __packed; + +#define HCI_OP_READ_LOCAL_AMP_ASSOC 0x140a +struct hci_cp_read_local_amp_assoc { + __u8 phy_handle; + __le16 len_so_far; + __le16 max_len; +} __packed; +struct hci_rp_read_local_amp_assoc { + __u8 status; + __u8 phy_handle; + __le16 rem_len; + __u8 frag[0]; +} __packed; + +#define HCI_OP_WRITE_REMOTE_AMP_ASSOC 0x140b +struct hci_cp_write_remote_amp_assoc { + __u8 phy_handle; + __le16 len_so_far; + __le16 rem_len; + __u8 frag[0]; +} __packed; +struct hci_rp_write_remote_amp_assoc { + __u8 status; + __u8 phy_handle; +} __packed; + +#define HCI_OP_GET_MWS_TRANSPORT_CONFIG 0x140c + +#define HCI_OP_ENABLE_DUT_MODE 0x1803 + +#define HCI_OP_WRITE_SSP_DEBUG_MODE 0x1804 + +#define HCI_OP_LE_SET_EVENT_MASK 0x2001 +struct hci_cp_le_set_event_mask { + __u8 mask[8]; +} __packed; + +#define HCI_OP_LE_READ_BUFFER_SIZE 0x2002 +struct hci_rp_le_read_buffer_size { + __u8 status; + __le16 le_mtu; + __u8 le_max_pkt; +} __packed; + +#define HCI_OP_LE_READ_LOCAL_FEATURES 0x2003 +struct hci_rp_le_read_local_features { + __u8 status; + __u8 features[8]; +} __packed; + +#define HCI_OP_LE_SET_RANDOM_ADDR 0x2005 + +#define HCI_OP_LE_SET_ADV_PARAM 0x2006 +struct hci_cp_le_set_adv_param { + __le16 min_interval; + __le16 max_interval; + __u8 type; + __u8 own_address_type; + __u8 direct_addr_type; + bdaddr_t direct_addr; + __u8 channel_map; + __u8 filter_policy; +} __packed; + +#define HCI_OP_LE_READ_ADV_TX_POWER 0x2007 +struct hci_rp_le_read_adv_tx_power { + __u8 status; + __s8 tx_power; +} __packed; + +#define HCI_MAX_AD_LENGTH 31 + +#define HCI_OP_LE_SET_ADV_DATA 0x2008 +struct hci_cp_le_set_adv_data { + __u8 length; + __u8 data[HCI_MAX_AD_LENGTH]; +} __packed; + +#define HCI_OP_LE_SET_SCAN_RSP_DATA 0x2009 +struct hci_cp_le_set_scan_rsp_data { + __u8 length; + __u8 data[HCI_MAX_AD_LENGTH]; +} __packed; + +#define HCI_OP_LE_SET_ADV_ENABLE 0x200a + +#define LE_SCAN_PASSIVE 0x00 +#define LE_SCAN_ACTIVE 0x01 + +#define HCI_OP_LE_SET_SCAN_PARAM 0x200b +struct hci_cp_le_set_scan_param { + __u8 type; + __le16 interval; + __le16 window; + __u8 own_address_type; + __u8 filter_policy; +} __packed; + +#define LE_SCAN_DISABLE 0x00 +#define LE_SCAN_ENABLE 0x01 +#define LE_SCAN_FILTER_DUP_DISABLE 0x00 +#define LE_SCAN_FILTER_DUP_ENABLE 0x01 + +#define HCI_OP_LE_SET_SCAN_ENABLE 0x200c +struct hci_cp_le_set_scan_enable { + __u8 enable; + __u8 filter_dup; +} __packed; + +#define HCI_LE_USE_PEER_ADDR 0x00 +#define HCI_LE_USE_WHITELIST 0x01 + +#define HCI_OP_LE_CREATE_CONN 0x200d +struct hci_cp_le_create_conn { + __le16 scan_interval; + __le16 scan_window; + __u8 filter_policy; + __u8 peer_addr_type; + bdaddr_t peer_addr; + __u8 own_address_type; + __le16 conn_interval_min; + __le16 conn_interval_max; + __le16 conn_latency; + __le16 supervision_timeout; + __le16 min_ce_len; + __le16 max_ce_len; +} __packed; + +#define HCI_OP_LE_CREATE_CONN_CANCEL 0x200e + +#define HCI_OP_LE_READ_WHITE_LIST_SIZE 0x200f +struct hci_rp_le_read_white_list_size { + __u8 status; + __u8 size; +} __packed; + +#define HCI_OP_LE_CLEAR_WHITE_LIST 0x2010 + +#define HCI_OP_LE_ADD_TO_WHITE_LIST 0x2011 +struct hci_cp_le_add_to_white_list { + __u8 bdaddr_type; + bdaddr_t bdaddr; +} __packed; + +#define HCI_OP_LE_DEL_FROM_WHITE_LIST 0x2012 +struct hci_cp_le_del_from_white_list { + __u8 bdaddr_type; + bdaddr_t bdaddr; +} __packed; + +#define HCI_OP_LE_CONN_UPDATE 0x2013 +struct hci_cp_le_conn_update { + __le16 handle; + __le16 conn_interval_min; + __le16 conn_interval_max; + __le16 conn_latency; + __le16 supervision_timeout; + __le16 min_ce_len; + __le16 max_ce_len; +} __packed; + +#define HCI_OP_LE_READ_REMOTE_FEATURES 0x2016 +struct hci_cp_le_read_remote_features { + __le16 handle; +} __packed; + +#define HCI_OP_LE_START_ENC 0x2019 +struct hci_cp_le_start_enc { + __le16 handle; + __le64 rand; + __le16 ediv; + __u8 ltk[16]; +} __packed; + +#define HCI_OP_LE_LTK_REPLY 0x201a +struct hci_cp_le_ltk_reply { + __le16 handle; + __u8 ltk[16]; +} __packed; +struct hci_rp_le_ltk_reply { + __u8 status; + __le16 handle; +} __packed; + +#define HCI_OP_LE_LTK_NEG_REPLY 0x201b +struct hci_cp_le_ltk_neg_reply { + __le16 handle; +} __packed; +struct hci_rp_le_ltk_neg_reply { + __u8 status; + __le16 handle; +} __packed; + +#define HCI_OP_LE_READ_SUPPORTED_STATES 0x201c +struct hci_rp_le_read_supported_states { + __u8 status; + __u8 le_states[8]; +} __packed; + +#define HCI_OP_LE_CONN_PARAM_REQ_REPLY 0x2020 +struct hci_cp_le_conn_param_req_reply { + __le16 handle; + __le16 interval_min; + __le16 interval_max; + __le16 latency; + __le16 timeout; + __le16 min_ce_len; + __le16 max_ce_len; +} __packed; + +#define HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY 0x2021 +struct hci_cp_le_conn_param_req_neg_reply { + __le16 handle; + __u8 reason; +} __packed; + +#define HCI_OP_LE_SET_DATA_LEN 0x2022 +struct hci_cp_le_set_data_len { + __le16 handle; + __le16 tx_len; + __le16 tx_time; +} __packed; +struct hci_rp_le_set_data_len { + __u8 status; + __le16 handle; +} __packed; + +#define HCI_OP_LE_READ_DEF_DATA_LEN 0x2023 +struct hci_rp_le_read_def_data_len { + __u8 status; + __le16 tx_len; + __le16 tx_time; +} __packed; + +#define HCI_OP_LE_WRITE_DEF_DATA_LEN 0x2024 +struct hci_cp_le_write_def_data_len { + __le16 tx_len; + __le16 tx_time; +} __packed; + +#define HCI_OP_LE_READ_MAX_DATA_LEN 0x202f +struct hci_rp_le_read_max_data_len { + __u8 status; + __le16 tx_len; + __le16 tx_time; + __le16 rx_len; + __le16 rx_time; +} __packed; + +#define HCI_OP_LE_SET_DEFAULT_PHY 0x2031 +struct hci_cp_le_set_default_phy { + __u8 all_phys; + __u8 tx_phys; + __u8 rx_phys; +} __packed; + +/* ---- HCI Events ---- */ +#define HCI_EV_INQUIRY_COMPLETE 0x01 + +#define HCI_EV_INQUIRY_RESULT 0x02 +struct inquiry_info { + bdaddr_t bdaddr; + __u8 pscan_rep_mode; + __u8 pscan_period_mode; + __u8 pscan_mode; + __u8 dev_class[3]; + __le16 clock_offset; +} __packed; + +#define HCI_EV_CONN_COMPLETE 0x03 +struct hci_ev_conn_complete { + __u8 status; + __le16 handle; + bdaddr_t bdaddr; + __u8 link_type; + __u8 encr_mode; +} __packed; + +#define HCI_EV_CONN_REQUEST 0x04 +struct hci_ev_conn_request { + bdaddr_t bdaddr; + __u8 dev_class[3]; + __u8 link_type; +} __packed; + +#define HCI_EV_DISCONN_COMPLETE 0x05 +struct hci_ev_disconn_complete { + __u8 status; + __le16 handle; + __u8 reason; +} __packed; + +#define HCI_EV_AUTH_COMPLETE 0x06 +struct hci_ev_auth_complete { + __u8 status; + __le16 handle; +} __packed; + +#define HCI_EV_REMOTE_NAME 0x07 +struct hci_ev_remote_name { + __u8 status; + bdaddr_t bdaddr; + __u8 name[HCI_MAX_NAME_LENGTH]; +} __packed; + +#define HCI_EV_ENCRYPT_CHANGE 0x08 +struct hci_ev_encrypt_change { + __u8 status; + __le16 handle; + __u8 encrypt; +} __packed; + +#define HCI_EV_CHANGE_LINK_KEY_COMPLETE 0x09 +struct hci_ev_change_link_key_complete { + __u8 status; + __le16 handle; +} __packed; + +#define HCI_EV_REMOTE_FEATURES 0x0b +struct hci_ev_remote_features { + __u8 status; + __le16 handle; + __u8 features[8]; +} __packed; + +#define HCI_EV_REMOTE_VERSION 0x0c +struct hci_ev_remote_version { + __u8 status; + __le16 handle; + __u8 lmp_ver; + __le16 manufacturer; + __le16 lmp_subver; +} __packed; + +#define HCI_EV_QOS_SETUP_COMPLETE 0x0d +struct hci_qos { + __u8 service_type; + __u32 token_rate; + __u32 peak_bandwidth; + __u32 latency; + __u32 delay_variation; +} __packed; +struct hci_ev_qos_setup_complete { + __u8 status; + __le16 handle; + struct hci_qos qos; +} __packed; + +#define HCI_EV_CMD_COMPLETE 0x0e +struct hci_ev_cmd_complete { + __u8 ncmd; + __le16 opcode; +} __packed; + +#define HCI_EV_CMD_STATUS 0x0f +struct hci_ev_cmd_status { + __u8 status; + __u8 ncmd; + __le16 opcode; +} __packed; + +#define HCI_EV_HARDWARE_ERROR 0x10 +struct hci_ev_hardware_error { + __u8 code; +} __packed; + +#define HCI_EV_ROLE_CHANGE 0x12 +struct hci_ev_role_change { + __u8 status; + bdaddr_t bdaddr; + __u8 role; +} __packed; + +#define HCI_EV_NUM_COMP_PKTS 0x13 +struct hci_comp_pkts_info { + __le16 handle; + __le16 count; +} __packed; + +struct hci_ev_num_comp_pkts { + __u8 num_hndl; + struct hci_comp_pkts_info handles[0]; +} __packed; + +#define HCI_EV_MODE_CHANGE 0x14 +struct hci_ev_mode_change { + __u8 status; + __le16 handle; + __u8 mode; + __le16 interval; +} __packed; + +#define HCI_EV_PIN_CODE_REQ 0x16 +struct hci_ev_pin_code_req { + bdaddr_t bdaddr; +} __packed; + +#define HCI_EV_LINK_KEY_REQ 0x17 +struct hci_ev_link_key_req { + bdaddr_t bdaddr; +} __packed; + +#define HCI_EV_LINK_KEY_NOTIFY 0x18 +struct hci_ev_link_key_notify { + bdaddr_t bdaddr; + __u8 link_key[HCI_LINK_KEY_SIZE]; + __u8 key_type; +} __packed; + +#define HCI_EV_CLOCK_OFFSET 0x1c +struct hci_ev_clock_offset { + __u8 status; + __le16 handle; + __le16 clock_offset; +} __packed; + +#define HCI_EV_PKT_TYPE_CHANGE 0x1d +struct hci_ev_pkt_type_change { + __u8 status; + __le16 handle; + __le16 pkt_type; +} __packed; + +#define HCI_EV_PSCAN_REP_MODE 0x20 +struct hci_ev_pscan_rep_mode { + bdaddr_t bdaddr; + __u8 pscan_rep_mode; +} __packed; + +#define HCI_EV_INQUIRY_RESULT_WITH_RSSI 0x22 +struct inquiry_info_with_rssi { + bdaddr_t bdaddr; + __u8 pscan_rep_mode; + __u8 pscan_period_mode; + __u8 dev_class[3]; + __le16 clock_offset; + __s8 rssi; +} __packed; +struct inquiry_info_with_rssi_and_pscan_mode { + bdaddr_t bdaddr; + __u8 pscan_rep_mode; + __u8 pscan_period_mode; + __u8 pscan_mode; + __u8 dev_class[3]; + __le16 clock_offset; + __s8 rssi; +} __packed; + +#define HCI_EV_REMOTE_EXT_FEATURES 0x23 +struct hci_ev_remote_ext_features { + __u8 status; + __le16 handle; + __u8 page; + __u8 max_page; + __u8 features[8]; +} __packed; + +#define HCI_EV_SYNC_CONN_COMPLETE 0x2c +struct hci_ev_sync_conn_complete { + __u8 status; + __le16 handle; + bdaddr_t bdaddr; + __u8 link_type; + __u8 tx_interval; + __u8 retrans_window; + __le16 rx_pkt_len; + __le16 tx_pkt_len; + __u8 air_mode; +} __packed; + +#define HCI_EV_SYNC_CONN_CHANGED 0x2d +struct hci_ev_sync_conn_changed { + __u8 status; + __le16 handle; + __u8 tx_interval; + __u8 retrans_window; + __le16 rx_pkt_len; + __le16 tx_pkt_len; +} __packed; + +#define HCI_EV_SNIFF_SUBRATE 0x2e +struct hci_ev_sniff_subrate { + __u8 status; + __le16 handle; + __le16 max_tx_latency; + __le16 max_rx_latency; + __le16 max_remote_timeout; + __le16 max_local_timeout; +} __packed; + +#define HCI_EV_EXTENDED_INQUIRY_RESULT 0x2f +struct extended_inquiry_info { + bdaddr_t bdaddr; + __u8 pscan_rep_mode; + __u8 pscan_period_mode; + __u8 dev_class[3]; + __le16 clock_offset; + __s8 rssi; + __u8 data[240]; +} __packed; + +#define HCI_EV_KEY_REFRESH_COMPLETE 0x30 +struct hci_ev_key_refresh_complete { + __u8 status; + __le16 handle; +} __packed; + +#define HCI_EV_IO_CAPA_REQUEST 0x31 +struct hci_ev_io_capa_request { + bdaddr_t bdaddr; +} __packed; + +#define HCI_EV_IO_CAPA_REPLY 0x32 +struct hci_ev_io_capa_reply { + bdaddr_t bdaddr; + __u8 capability; + __u8 oob_data; + __u8 authentication; +} __packed; + +#define HCI_EV_USER_CONFIRM_REQUEST 0x33 +struct hci_ev_user_confirm_req { + bdaddr_t bdaddr; + __le32 passkey; +} __packed; + +#define HCI_EV_USER_PASSKEY_REQUEST 0x34 +struct hci_ev_user_passkey_req { + bdaddr_t bdaddr; +} __packed; + +#define HCI_EV_REMOTE_OOB_DATA_REQUEST 0x35 +struct hci_ev_remote_oob_data_request { + bdaddr_t bdaddr; +} __packed; + +#define HCI_EV_SIMPLE_PAIR_COMPLETE 0x36 +struct hci_ev_simple_pair_complete { + __u8 status; + bdaddr_t bdaddr; +} __packed; + +#define HCI_EV_USER_PASSKEY_NOTIFY 0x3b +struct hci_ev_user_passkey_notify { + bdaddr_t bdaddr; + __le32 passkey; +} __packed; + +#define HCI_KEYPRESS_STARTED 0 +#define HCI_KEYPRESS_ENTERED 1 +#define HCI_KEYPRESS_ERASED 2 +#define HCI_KEYPRESS_CLEARED 3 +#define HCI_KEYPRESS_COMPLETED 4 + +#define HCI_EV_KEYPRESS_NOTIFY 0x3c +struct hci_ev_keypress_notify { + bdaddr_t bdaddr; + __u8 type; +} __packed; + +#define HCI_EV_REMOTE_HOST_FEATURES 0x3d +struct hci_ev_remote_host_features { + bdaddr_t bdaddr; + __u8 features[8]; +} __packed; + +#define HCI_EV_LE_META 0x3e +struct hci_ev_le_meta { + __u8 subevent; +} __packed; + +#define HCI_EV_PHY_LINK_COMPLETE 0x40 +struct hci_ev_phy_link_complete { + __u8 status; + __u8 phy_handle; +} __packed; + +#define HCI_EV_CHANNEL_SELECTED 0x41 +struct hci_ev_channel_selected { + __u8 phy_handle; +} __packed; + +#define HCI_EV_DISCONN_PHY_LINK_COMPLETE 0x42 +struct hci_ev_disconn_phy_link_complete { + __u8 status; + __u8 phy_handle; + __u8 reason; +} __packed; + +#define HCI_EV_LOGICAL_LINK_COMPLETE 0x45 +struct hci_ev_logical_link_complete { + __u8 status; + __le16 handle; + __u8 phy_handle; + __u8 flow_spec_id; +} __packed; + +#define HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE 0x46 +struct hci_ev_disconn_logical_link_complete { + __u8 status; + __le16 handle; + __u8 reason; +} __packed; + +#define HCI_EV_NUM_COMP_BLOCKS 0x48 +struct hci_comp_blocks_info { + __le16 handle; + __le16 pkts; + __le16 blocks; +} __packed; + +struct hci_ev_num_comp_blocks { + __le16 num_blocks; + __u8 num_hndl; + struct hci_comp_blocks_info handles[0]; +} __packed; + +#define HCI_EV_SYNC_TRAIN_COMPLETE 0x4F +struct hci_ev_sync_train_complete { + __u8 status; +} __packed; + +#define HCI_EV_SLAVE_PAGE_RESP_TIMEOUT 0x54 + +#define HCI_EV_LE_CONN_COMPLETE 0x01 +struct hci_ev_le_conn_complete { + __u8 status; + __le16 handle; + __u8 role; + __u8 bdaddr_type; + bdaddr_t bdaddr; + __le16 interval; + __le16 latency; + __le16 supervision_timeout; + __u8 clk_accurancy; +} __packed; + +/* Advertising report event types */ +#define LE_ADV_IND 0x00 +#define LE_ADV_DIRECT_IND 0x01 +#define LE_ADV_SCAN_IND 0x02 +#define LE_ADV_NONCONN_IND 0x03 +#define LE_ADV_SCAN_RSP 0x04 + +#define ADDR_LE_DEV_PUBLIC 0x00 +#define ADDR_LE_DEV_RANDOM 0x01 + +#define HCI_EV_LE_ADVERTISING_REPORT 0x02 +struct hci_ev_le_advertising_info { + __u8 evt_type; + __u8 bdaddr_type; + bdaddr_t bdaddr; + __u8 length; + __u8 data[0]; +} __packed; + +#define HCI_EV_LE_CONN_UPDATE_COMPLETE 0x03 +struct hci_ev_le_conn_update_complete { + __u8 status; + __le16 handle; + __le16 interval; + __le16 latency; + __le16 supervision_timeout; +} __packed; + +#define HCI_EV_LE_REMOTE_FEAT_COMPLETE 0x04 +struct hci_ev_le_remote_feat_complete { + __u8 status; + __le16 handle; + __u8 features[8]; +} __packed; + +#define HCI_EV_LE_LTK_REQ 0x05 +struct hci_ev_le_ltk_req { + __le16 handle; + __le64 rand; + __le16 ediv; +} __packed; + +#define HCI_EV_LE_REMOTE_CONN_PARAM_REQ 0x06 +struct hci_ev_le_remote_conn_param_req { + __le16 handle; + __le16 interval_min; + __le16 interval_max; + __le16 latency; + __le16 timeout; +} __packed; + +#define HCI_EV_LE_DATA_LEN_CHANGE 0x07 +struct hci_ev_le_data_len_change { + __le16 handle; + __le16 tx_len; + __le16 tx_time; + __le16 rx_len; + __le16 rx_time; +} __packed; + +#define HCI_EV_LE_DIRECT_ADV_REPORT 0x0B +struct hci_ev_le_direct_adv_info { + __u8 evt_type; + __u8 bdaddr_type; + bdaddr_t bdaddr; + __u8 direct_addr_type; + bdaddr_t direct_addr; + __s8 rssi; +} __packed; + +/* Internal events generated by Bluetooth stack */ +#define HCI_EV_STACK_INTERNAL 0xfd +struct hci_ev_stack_internal { + __u16 type; + __u8 data[0]; +} __packed; + +#define HCI_EV_SI_DEVICE 0x01 +struct hci_ev_si_device { + __u16 event; + __u16 dev_id; +} __packed; + +#define HCI_EV_SI_SECURITY 0x02 +struct hci_ev_si_security { + __u16 event; + __u16 proto; + __u16 subproto; + __u8 incoming; +} __packed; + +/* ---- HCI Packet structures ---- */ +#define HCI_COMMAND_HDR_SIZE 3 +#define HCI_EVENT_HDR_SIZE 2 +#define HCI_ACL_HDR_SIZE 4 +#define HCI_SCO_HDR_SIZE 3 + +struct hci_command_hdr { + __le16 opcode; /* OCF & OGF */ + __u8 plen; +} __packed; + +struct hci_event_hdr { + __u8 evt; + __u8 plen; +} __packed; + +struct hci_acl_hdr { + __le16 handle; /* Handle & Flags(PB, BC) */ + __le16 dlen; +} __packed; + +struct hci_sco_hdr { + __le16 handle; + __u8 dlen; +} __packed; + +static inline struct hci_event_hdr *hci_event_hdr(const struct sk_buff *skb) +{ + return (struct hci_event_hdr *) skb->data; +} + +static inline struct hci_acl_hdr *hci_acl_hdr(const struct sk_buff *skb) +{ + return (struct hci_acl_hdr *) skb->data; +} + +static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb) +{ + return (struct hci_sco_hdr *) skb->data; +} + +/* Command opcode pack/unpack */ +#define hci_opcode_pack(ogf, ocf) ((__u16) ((ocf & 0x03ff)|(ogf << 10))) +#define hci_opcode_ogf(op) (op >> 10) +#define hci_opcode_ocf(op) (op & 0x03ff) + +/* ACL handle and flags pack/unpack */ +#define hci_handle_pack(h, f) ((__u16) ((h & 0x0fff)|(f << 12))) +#define hci_handle(h) (h & 0x0fff) +#define hci_flags(h) (h >> 12) + +#endif /* __HCI_H */ diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h new file mode 100644 index 0000000..893bbbb --- /dev/null +++ b/include/net/bluetooth/hci_core.h @@ -0,0 +1,1545 @@ +/* + BlueZ - Bluetooth protocol stack for Linux + Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. + + Written 2000,2001 by Maxim Krasnyansky + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License version 2 as + published by the Free Software Foundation; + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. + IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY + CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + + ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, + COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS + SOFTWARE IS DISCLAIMED. +*/ + +#ifndef __HCI_CORE_H +#define __HCI_CORE_H + +#include +#include + +#include +#include + +/* HCI priority */ +#define HCI_PRIO_MAX 7 + +/* HCI Core structures */ +struct inquiry_data { + bdaddr_t bdaddr; + __u8 pscan_rep_mode; + __u8 pscan_period_mode; + __u8 pscan_mode; + __u8 dev_class[3]; + __le16 clock_offset; + __s8 rssi; + __u8 ssp_mode; +}; + +struct inquiry_entry { + struct list_head all; /* inq_cache.all */ + struct list_head list; /* unknown or resolve */ + enum { + NAME_NOT_KNOWN, + NAME_NEEDED, + NAME_PENDING, + NAME_KNOWN, + } name_state; + __u32 timestamp; + struct inquiry_data data; +}; + +struct discovery_state { + int type; + enum { + DISCOVERY_STOPPED, + DISCOVERY_STARTING, + DISCOVERY_FINDING, + DISCOVERY_RESOLVING, + DISCOVERY_STOPPING, + } state; + struct list_head all; /* All devices found during inquiry */ + struct list_head unknown; /* Name state not known */ + struct list_head resolve; /* Name needs to be resolved */ + __u32 timestamp; + bdaddr_t last_adv_addr; + u8 last_adv_addr_type; + s8 last_adv_rssi; + u32 last_adv_flags; + u8 last_adv_data[HCI_MAX_AD_LENGTH]; + u8 last_adv_data_len; + bool report_invalid_rssi; + bool result_filtering; + bool limited; + s8 rssi; + u16 uuid_count; + u8 (*uuids)[16]; + unsigned long scan_start; + unsigned long scan_duration; +}; + +struct hci_conn_hash { + struct list_head list; + unsigned int acl_num; + unsigned int amp_num; + unsigned int sco_num; + unsigned int le_num; + unsigned int le_num_slave; +}; + +struct bdaddr_list { + struct list_head list; + bdaddr_t bdaddr; + u8 bdaddr_type; +}; + +struct bt_uuid { + struct list_head list; + u8 uuid[16]; + u8 size; + u8 svc_hint; +}; + +struct smp_csrk { + bdaddr_t bdaddr; + u8 bdaddr_type; + u8 type; + u8 val[16]; +}; + +struct smp_ltk { + struct list_head list; + struct rcu_head rcu; + bdaddr_t bdaddr; + u8 bdaddr_type; + u8 authenticated; + u8 type; + u8 enc_size; + __le16 ediv; + __le64 rand; + u8 val[16]; +}; + +struct smp_irk { + struct list_head list; + struct rcu_head rcu; + bdaddr_t rpa; + bdaddr_t bdaddr; + u8 addr_type; + u8 val[16]; +}; + +struct link_key { + struct list_head list; + struct rcu_head rcu; + bdaddr_t bdaddr; + u8 type; + u8 val[HCI_LINK_KEY_SIZE]; + u8 pin_len; +}; + +struct oob_data { + struct list_head list; + bdaddr_t bdaddr; + u8 bdaddr_type; + u8 present; + u8 hash192[16]; + u8 rand192[16]; + u8 hash256[16]; + u8 rand256[16]; +}; + +struct adv_info { + struct list_head list; + bool pending; + __u8 instance; + __u32 flags; + __u16 timeout; + __u16 remaining_time; + __u16 duration; + __u16 adv_data_len; + __u8 adv_data[HCI_MAX_AD_LENGTH]; + __u16 scan_rsp_len; + __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; +}; + +#define HCI_MAX_ADV_INSTANCES 5 +#define HCI_DEFAULT_ADV_DURATION 2 + +#define HCI_MAX_SHORT_NAME_LENGTH 10 + +/* Default LE RPA expiry time, 15 minutes */ +#define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) + +/* Default min/max age of connection information (1s/3s) */ +#define DEFAULT_CONN_INFO_MIN_AGE 1000 +#define DEFAULT_CONN_INFO_MAX_AGE 3000 + +struct amp_assoc { + __u16 len; + __u16 offset; + __u16 rem_len; + __u16 len_so_far; + __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; +}; + +#define HCI_MAX_PAGES 3 + +struct hci_dev { + struct list_head list; + struct mutex lock; + + char name[8]; + unsigned long flags; + __u16 id; + __u8 bus; + __u8 dev_type; + bdaddr_t bdaddr; + bdaddr_t setup_addr; + bdaddr_t public_addr; + bdaddr_t random_addr; + bdaddr_t static_addr; + __u8 adv_addr_type; + __u8 dev_name[HCI_MAX_NAME_LENGTH]; + __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; + __u8 eir[HCI_MAX_EIR_LENGTH]; + __u16 appearance; + __u8 dev_class[3]; + __u8 major_class; + __u8 minor_class; + __u8 max_page; + __u8 features[HCI_MAX_PAGES][8]; + __u8 le_features[8]; + __u8 le_white_list_size; + __u8 le_states[8]; + __u8 commands[64]; + __u8 hci_ver; + __u16 hci_rev; + __u8 lmp_ver; + __u16 manufacturer; + __u16 lmp_subver; + __u16 voice_setting; + __u8 num_iac; + __u8 stored_max_keys; + __u8 stored_num_keys; + __u8 io_capability; + __s8 inq_tx_power; + __u16 page_scan_interval; + __u16 page_scan_window; + __u8 page_scan_type; + __u8 le_adv_channel_map; + __u16 le_adv_min_interval; + __u16 le_adv_max_interval; + __u8 le_scan_type; + __u16 le_scan_interval; + __u16 le_scan_window; + __u16 le_conn_min_interval; + __u16 le_conn_max_interval; + __u16 le_conn_latency; + __u16 le_supv_timeout; + __u16 le_def_tx_len; + __u16 le_def_tx_time; + __u16 le_max_tx_len; + __u16 le_max_tx_time; + __u16 le_max_rx_len; + __u16 le_max_rx_time; + __u16 discov_interleaved_timeout; + __u16 conn_info_min_age; + __u16 conn_info_max_age; + __u8 ssp_debug_mode; + __u8 hw_error_code; + __u32 clock; + + __u16 devid_source; + __u16 devid_vendor; + __u16 devid_product; + __u16 devid_version; + + __u16 pkt_type; + __u16 esco_type; + __u16 link_policy; + __u16 link_mode; + + __u32 idle_timeout; + __u16 sniff_min_interval; + __u16 sniff_max_interval; + + __u8 amp_status; + __u32 amp_total_bw; + __u32 amp_max_bw; + __u32 amp_min_latency; + __u32 amp_max_pdu; + __u8 amp_type; + __u16 amp_pal_cap; + __u16 amp_assoc_size; + __u32 amp_max_flush_to; + __u32 amp_be_flush_to; + + struct amp_assoc loc_assoc; + + __u8 flow_ctl_mode; + + unsigned int auto_accept_delay; + + unsigned long quirks; + + atomic_t cmd_cnt; + unsigned int acl_cnt; + unsigned int sco_cnt; + unsigned int le_cnt; + + unsigned int acl_mtu; + unsigned int sco_mtu; + unsigned int le_mtu; + unsigned int acl_pkts; + unsigned int sco_pkts; + unsigned int le_pkts; + + __u16 block_len; + __u16 block_mtu; + __u16 num_blocks; + __u16 block_cnt; + + unsigned long acl_last_tx; + unsigned long sco_last_tx; + unsigned long le_last_tx; + + struct workqueue_struct *workqueue; + struct workqueue_struct *req_workqueue; + + struct work_struct power_on; + struct delayed_work power_off; + struct work_struct error_reset; + + __u16 discov_timeout; + struct delayed_work discov_off; + + struct delayed_work service_cache; + + struct delayed_work cmd_timer; + + struct work_struct rx_work; + struct work_struct cmd_work; + struct work_struct tx_work; + + struct work_struct discov_update; + struct work_struct bg_scan_update; + struct work_struct scan_update; + struct work_struct connectable_update; + struct work_struct discoverable_update; + struct delayed_work le_scan_disable; + struct delayed_work le_scan_restart; + + struct sk_buff_head rx_q; + struct sk_buff_head raw_q; + struct sk_buff_head cmd_q; + + struct sk_buff *sent_cmd; + + struct mutex req_lock; + wait_queue_head_t req_wait_q; + __u32 req_status; + __u32 req_result; + struct sk_buff *req_skb; + + void *smp_data; + void *smp_bredr_data; + + struct discovery_state discovery; + struct hci_conn_hash conn_hash; + + struct list_head mgmt_pending; + struct list_head blacklist; + struct list_head whitelist; + struct list_head uuids; + struct list_head link_keys; + struct list_head long_term_keys; + struct list_head identity_resolving_keys; + struct list_head remote_oob_data; + struct list_head le_white_list; + struct list_head le_conn_params; + struct list_head pend_le_conns; + struct list_head pend_le_reports; + + struct hci_dev_stats stat; + + atomic_t promisc; + + const char *hw_info; + const char *fw_info; + struct dentry *debugfs; + + struct device dev; + + struct rfkill *rfkill; + + DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); + + __s8 adv_tx_power; + __u8 adv_data[HCI_MAX_AD_LENGTH]; + __u8 adv_data_len; + __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; + __u8 scan_rsp_data_len; + + struct list_head adv_instances; + unsigned int adv_instance_cnt; + __u8 cur_adv_instance; + __u16 adv_instance_timeout; + struct delayed_work adv_instance_expire; + + __u8 irk[16]; + __u32 rpa_timeout; + struct delayed_work rpa_expired; + bdaddr_t rpa; + +#if IS_ENABLED(CONFIG_BT_LEDS) + struct led_trigger *power_led; +#endif + + int (*open)(struct hci_dev *hdev); + int (*close)(struct hci_dev *hdev); + int (*flush)(struct hci_dev *hdev); + int (*setup)(struct hci_dev *hdev); + int (*shutdown)(struct hci_dev *hdev); + int (*send)(struct hci_dev *hdev, struct sk_buff *skb); + void (*notify)(struct hci_dev *hdev, unsigned int evt); + void (*hw_error)(struct hci_dev *hdev, u8 code); + int (*post_init)(struct hci_dev *hdev); + int (*set_diag)(struct hci_dev *hdev, bool enable); + int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); +}; + +#define HCI_PHY_HANDLE(handle) (handle & 0xff) + +struct hci_conn { + struct list_head list; + + atomic_t refcnt; + + bdaddr_t dst; + __u8 dst_type; + bdaddr_t src; + __u8 src_type; + bdaddr_t init_addr; + __u8 init_addr_type; + bdaddr_t resp_addr; + __u8 resp_addr_type; + __u16 handle; + __u16 state; + __u8 mode; + __u8 type; + __u8 role; + bool out; + __u8 attempt; + __u8 dev_class[3]; + __u8 features[HCI_MAX_PAGES][8]; + __u16 pkt_type; + __u16 link_policy; + __u8 key_type; + __u8 auth_type; + __u8 sec_level; + __u8 pending_sec_level; + __u8 pin_length; + __u8 enc_key_size; + __u8 io_capability; + __u32 passkey_notify; + __u8 passkey_entered; + __u16 disc_timeout; + __u16 conn_timeout; + __u16 setting; + __u16 le_conn_min_interval; + __u16 le_conn_max_interval; + __u16 le_conn_interval; + __u16 le_conn_latency; + __u16 le_supv_timeout; + __u8 le_adv_data[HCI_MAX_AD_LENGTH]; + __u8 le_adv_data_len; + __s8 rssi; + __s8 tx_power; + __s8 max_tx_power; + unsigned long flags; + + __u32 clock; + __u16 clock_accuracy; + + unsigned long conn_info_timestamp; + + __u8 remote_cap; + __u8 remote_auth; + __u8 remote_id; + + unsigned int sent; + + struct sk_buff_head data_q; + struct list_head chan_list; + + struct delayed_work disc_work; + struct delayed_work auto_accept_work; + struct delayed_work idle_work; + struct delayed_work le_conn_timeout; + struct work_struct le_scan_cleanup; + + struct device dev; + struct dentry *debugfs; + + struct hci_dev *hdev; + void *l2cap_data; + void *sco_data; + struct amp_mgr *amp_mgr; + + struct hci_conn *link; + + void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); + void (*security_cfm_cb) (struct hci_conn *conn, u8 status); + void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); +}; + +struct hci_chan { + struct list_head list; + __u16 handle; + struct hci_conn *conn; + struct sk_buff_head data_q; + unsigned int sent; + __u8 state; +}; + +struct hci_conn_params { + struct list_head list; + struct list_head action; + + bdaddr_t addr; + u8 addr_type; + + u16 conn_min_interval; + u16 conn_max_interval; + u16 conn_latency; + u16 supervision_timeout; + + enum { + HCI_AUTO_CONN_DISABLED, + HCI_AUTO_CONN_REPORT, + HCI_AUTO_CONN_DIRECT, + HCI_AUTO_CONN_ALWAYS, + HCI_AUTO_CONN_LINK_LOSS, + HCI_AUTO_CONN_EXPLICIT, + } auto_connect; + + struct hci_conn *conn; + bool explicit_connect; +}; + +extern struct list_head hci_dev_list; +extern struct list_head hci_cb_list; +extern rwlock_t hci_dev_list_lock; +extern struct mutex hci_cb_list_lock; + +#define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) +#define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) +#define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) +#define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) +#define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) +#define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) +#define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) + +#define hci_dev_clear_volatile_flags(hdev) \ + do { \ + hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ + hci_dev_clear_flag(hdev, HCI_LE_ADV); \ + hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ + } while (0) + +/* ----- HCI interface to upper protocols ----- */ +int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); +int l2cap_disconn_ind(struct hci_conn *hcon); +void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); + +#if IS_ENABLED(CONFIG_BT_BREDR) +int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); +void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); +#else +static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, + __u8 *flags) +{ + return 0; +} + +static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) +{ +} +#endif + +/* ----- Inquiry cache ----- */ +#define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ +#define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ + +static inline void discovery_init(struct hci_dev *hdev) +{ + hdev->discovery.state = DISCOVERY_STOPPED; + INIT_LIST_HEAD(&hdev->discovery.all); + INIT_LIST_HEAD(&hdev->discovery.unknown); + INIT_LIST_HEAD(&hdev->discovery.resolve); + hdev->discovery.report_invalid_rssi = true; + hdev->discovery.rssi = HCI_RSSI_INVALID; +} + +static inline void hci_discovery_filter_clear(struct hci_dev *hdev) +{ + hdev->discovery.result_filtering = false; + hdev->discovery.report_invalid_rssi = true; + hdev->discovery.rssi = HCI_RSSI_INVALID; + hdev->discovery.uuid_count = 0; + kfree(hdev->discovery.uuids); + hdev->discovery.uuids = NULL; + hdev->discovery.scan_start = 0; + hdev->discovery.scan_duration = 0; +} + +bool hci_discovery_active(struct hci_dev *hdev); + +void hci_discovery_set_state(struct hci_dev *hdev, int state); + +static inline int inquiry_cache_empty(struct hci_dev *hdev) +{ + return list_empty(&hdev->discovery.all); +} + +static inline long inquiry_cache_age(struct hci_dev *hdev) +{ + struct discovery_state *c = &hdev->discovery; + return jiffies - c->timestamp; +} + +static inline long inquiry_entry_age(struct inquiry_entry *e) +{ + return jiffies - e->timestamp; +} + +struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, + bdaddr_t *bdaddr); +struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, + bdaddr_t *bdaddr); +struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, + bdaddr_t *bdaddr, + int state); +void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, + struct inquiry_entry *ie); +u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, + bool name_known); +void hci_inquiry_cache_flush(struct hci_dev *hdev); + +/* ----- HCI Connections ----- */ +enum { + HCI_CONN_AUTH_PEND, + HCI_CONN_REAUTH_PEND, + HCI_CONN_ENCRYPT_PEND, + HCI_CONN_RSWITCH_PEND, + HCI_CONN_MODE_CHANGE_PEND, + HCI_CONN_SCO_SETUP_PEND, + HCI_CONN_MGMT_CONNECTED, + HCI_CONN_SSP_ENABLED, + HCI_CONN_SC_ENABLED, + HCI_CONN_AES_CCM, + HCI_CONN_POWER_SAVE, + HCI_CONN_FLUSH_KEY, + HCI_CONN_ENCRYPT, + HCI_CONN_AUTH, + HCI_CONN_SECURE, + HCI_CONN_FIPS, + HCI_CONN_STK_ENCRYPT, + HCI_CONN_AUTH_INITIATOR, + HCI_CONN_DROP, + HCI_CONN_PARAM_REMOVAL_PEND, + HCI_CONN_NEW_LINK_KEY, + HCI_CONN_SCANNING, + HCI_CONN_AUTH_FAILURE, +}; + +static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) +{ + struct hci_dev *hdev = conn->hdev; + return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && + test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); +} + +static inline bool hci_conn_sc_enabled(struct hci_conn *conn) +{ + struct hci_dev *hdev = conn->hdev; + return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && + test_bit(HCI_CONN_SC_ENABLED, &conn->flags); +} + +static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) +{ + struct hci_conn_hash *h = &hdev->conn_hash; + list_add_rcu(&c->list, &h->list); + switch (c->type) { + case ACL_LINK: + h->acl_num++; + break; + case AMP_LINK: + h->amp_num++; + break; + case LE_LINK: + h->le_num++; + if (c->role == HCI_ROLE_SLAVE) + h->le_num_slave++; + break; + case SCO_LINK: + case ESCO_LINK: + h->sco_num++; + break; + } +} + +static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) +{ + struct hci_conn_hash *h = &hdev->conn_hash; + + list_del_rcu(&c->list); + synchronize_rcu(); + + switch (c->type) { + case ACL_LINK: + h->acl_num--; + break; + case AMP_LINK: + h->amp_num--; + break; + case LE_LINK: + h->le_num--; + if (c->role == HCI_ROLE_SLAVE) + h->le_num_slave--; + break; + case SCO_LINK: + case ESCO_LINK: + h->sco_num--; + break; + } +} + +static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) +{ + struct hci_conn_hash *h = &hdev->conn_hash; + switch (type) { + case ACL_LINK: + return h->acl_num; + case AMP_LINK: + return h->amp_num; + case LE_LINK: + return h->le_num; + case SCO_LINK: + case ESCO_LINK: + return h->sco_num; + default: + return 0; + } +} + +static inline unsigned int hci_conn_count(struct hci_dev *hdev) +{ + struct hci_conn_hash *c = &hdev->conn_hash; + + return c->acl_num + c->amp_num + c->sco_num + c->le_num; +} + +static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) +{ + struct hci_conn_hash *h = &hdev->conn_hash; + struct hci_conn *c; + __u8 type = INVALID_LINK; + + rcu_read_lock(); + + list_for_each_entry_rcu(c, &h->list, list) { + if (c->handle == handle) { + type = c->type; + break; + } + } + + rcu_read_unlock(); + + return type; +} + +static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, + __u16 handle) +{ + struct hci_conn_hash *h = &hdev->conn_hash; + struct hci_conn *c; + + rcu_read_lock(); + + list_for_each_entry_rcu(c, &h->list, list) { + if (c->handle == handle) { + rcu_read_unlock(); + return c; + } + } + rcu_read_unlock(); + + return NULL; +} + +static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, + __u8 type, bdaddr_t *ba) +{ + struct hci_conn_hash *h = &hdev->conn_hash; + struct hci_conn *c; + + rcu_read_lock(); + + list_for_each_entry_rcu(c, &h->list, list) { + if (c->type == type && !bacmp(&c->dst, ba)) { + rcu_read_unlock(); + return c; + } + } + + rcu_read_unlock(); + + return NULL; +} + +static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, + bdaddr_t *ba, + __u8 ba_type) +{ + struct hci_conn_hash *h = &hdev->conn_hash; + struct hci_conn *c; + + rcu_read_lock(); + + list_for_each_entry_rcu(c, &h->list, list) { + if (c->type != LE_LINK) + continue; + + if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { + rcu_read_unlock(); + return c; + } + } + + rcu_read_unlock(); + + return NULL; +} + +static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, + __u8 type, __u16 state) +{ + struct hci_conn_hash *h = &hdev->conn_hash; + struct hci_conn *c; + + rcu_read_lock(); + + list_for_each_entry_rcu(c, &h->list, list) { + if (c->type == type && c->state == state) { + rcu_read_unlock(); + return c; + } + } + + rcu_read_unlock(); + + return NULL; +} + +static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) +{ + struct hci_conn_hash *h = &hdev->conn_hash; + struct hci_conn *c; + + rcu_read_lock(); + + list_for_each_entry_rcu(c, &h->list, list) { + if (c->type == LE_LINK && c->state == BT_CONNECT && + !test_bit(HCI_CONN_SCANNING, &c->flags)) { + rcu_read_unlock(); + return c; + } + } + + rcu_read_unlock(); + + return NULL; +} + +int hci_disconnect(struct hci_conn *conn, __u8 reason); +bool hci_setup_sync(struct hci_conn *conn, __u16 handle); +void hci_sco_setup(struct hci_conn *conn, __u8 status); + +struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, + u8 role); +int hci_conn_del(struct hci_conn *conn); +void hci_conn_hash_flush(struct hci_dev *hdev); +void hci_conn_check_pending(struct hci_dev *hdev); + +struct hci_chan *hci_chan_create(struct hci_conn *conn); +void hci_chan_del(struct hci_chan *chan); +void hci_chan_list_flush(struct hci_conn *conn); +struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); + +struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, + u8 dst_type, u8 sec_level, + u16 conn_timeout); +struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, + u8 dst_type, u8 sec_level, u16 conn_timeout, + u8 role, bdaddr_t *direct_rpa); +struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, + u8 sec_level, u8 auth_type); +struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, + __u16 setting); +int hci_conn_check_link_mode(struct hci_conn *conn); +int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); +int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, + bool initiator); +int hci_conn_switch_role(struct hci_conn *conn, __u8 role); + +void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); + +void hci_le_conn_failed(struct hci_conn *conn, u8 status); + +/* + * hci_conn_get() and hci_conn_put() are used to control the life-time of an + * "hci_conn" object. They do not guarantee that the hci_conn object is running, + * working or anything else. They just guarantee that the object is available + * and can be dereferenced. So you can use its locks, local variables and any + * other constant data. + * Before accessing runtime data, you _must_ lock the object and then check that + * it is still running. As soon as you release the locks, the connection might + * get dropped, though. + * + * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control + * how long the underlying connection is held. So every channel that runs on the + * hci_conn object calls this to prevent the connection from disappearing. As + * long as you hold a device, you must also guarantee that you have a valid + * reference to the device via hci_conn_get() (or the initial reference from + * hci_conn_add()). + * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't + * break because nobody cares for that. But this means, we cannot use + * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). + */ + +static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) +{ + get_device(&conn->dev); + return conn; +} + +static inline void hci_conn_put(struct hci_conn *conn) +{ + put_device(&conn->dev); +} + +static inline void hci_conn_hold(struct hci_conn *conn) +{ + BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); + + atomic_inc(&conn->refcnt); + cancel_delayed_work(&conn->disc_work); +} + +static inline void hci_conn_drop(struct hci_conn *conn) +{ + BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); + + if (atomic_dec_and_test(&conn->refcnt)) { + unsigned long timeo; + + switch (conn->type) { + case ACL_LINK: + case LE_LINK: + cancel_delayed_work(&conn->idle_work); + if (conn->state == BT_CONNECTED) { + timeo = conn->disc_timeout; + if (!conn->out) + timeo *= 2; + } else { + timeo = 0; + } + break; + + case AMP_LINK: + timeo = conn->disc_timeout; + break; + + default: + timeo = 0; + break; + } + + cancel_delayed_work(&conn->disc_work); + queue_delayed_work(conn->hdev->workqueue, + &conn->disc_work, timeo); + } +} + +/* ----- HCI Devices ----- */ +static inline void hci_dev_put(struct hci_dev *d) +{ + BT_DBG("%s orig refcnt %d", d->name, + kref_read(&d->dev.kobj.kref)); + + put_device(&d->dev); +} + +static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) +{ + BT_DBG("%s orig refcnt %d", d->name, + kref_read(&d->dev.kobj.kref)); + + get_device(&d->dev); + return d; +} + +#define hci_dev_lock(d) mutex_lock(&d->lock) +#define hci_dev_unlock(d) mutex_unlock(&d->lock) + +#define to_hci_dev(d) container_of(d, struct hci_dev, dev) +#define to_hci_conn(c) container_of(c, struct hci_conn, dev) + +static inline void *hci_get_drvdata(struct hci_dev *hdev) +{ + return dev_get_drvdata(&hdev->dev); +} + +static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) +{ + dev_set_drvdata(&hdev->dev, data); +} + +struct hci_dev *hci_dev_get(int index); +struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); + +struct hci_dev *hci_alloc_dev(void); +void hci_free_dev(struct hci_dev *hdev); +int hci_register_dev(struct hci_dev *hdev); +void hci_unregister_dev(struct hci_dev *hdev); +int hci_suspend_dev(struct hci_dev *hdev); +int hci_resume_dev(struct hci_dev *hdev); +int hci_reset_dev(struct hci_dev *hdev); +int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); +int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); +__printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); +__printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); +int hci_dev_open(__u16 dev); +int hci_dev_close(__u16 dev); +int hci_dev_do_close(struct hci_dev *hdev); +int hci_dev_reset(__u16 dev); +int hci_dev_reset_stat(__u16 dev); +int hci_dev_cmd(unsigned int cmd, void __user *arg); +int hci_get_dev_list(void __user *arg); +int hci_get_dev_info(void __user *arg); +int hci_get_conn_list(void __user *arg); +int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); +int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); +int hci_inquiry(void __user *arg); + +struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, + bdaddr_t *bdaddr, u8 type); +int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); +int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); +void hci_bdaddr_list_clear(struct list_head *list); + +struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, + bdaddr_t *addr, u8 addr_type); +struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, + bdaddr_t *addr, u8 addr_type); +void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); +void hci_conn_params_clear_disabled(struct hci_dev *hdev); + +struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, + bdaddr_t *addr, + u8 addr_type); + +void hci_uuids_clear(struct hci_dev *hdev); + +void hci_link_keys_clear(struct hci_dev *hdev); +struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); +struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, + bdaddr_t *bdaddr, u8 *val, u8 type, + u8 pin_len, bool *persistent); +struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 addr_type, u8 type, u8 authenticated, + u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); +struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 addr_type, u8 role); +int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); +void hci_smp_ltks_clear(struct hci_dev *hdev); +int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); + +struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); +struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 addr_type); +struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 addr_type, u8 val[16], bdaddr_t *rpa); +void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); +void hci_smp_irks_clear(struct hci_dev *hdev); + +bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); + +void hci_remote_oob_data_clear(struct hci_dev *hdev); +struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, + bdaddr_t *bdaddr, u8 bdaddr_type); +int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 bdaddr_type, u8 *hash192, u8 *rand192, + u8 *hash256, u8 *rand256); +int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 bdaddr_type); + +void hci_adv_instances_clear(struct hci_dev *hdev); +struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); +struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); +int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, + u16 adv_data_len, u8 *adv_data, + u16 scan_rsp_len, u8 *scan_rsp_data, + u16 timeout, u16 duration); +int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); + +void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); + +void hci_init_sysfs(struct hci_dev *hdev); +void hci_conn_init_sysfs(struct hci_conn *conn); +void hci_conn_add_sysfs(struct hci_conn *conn); +void hci_conn_del_sysfs(struct hci_conn *conn); + +#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) + +/* ----- LMP capabilities ----- */ +#define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) +#define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) +#define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) +#define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) +#define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) +#define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) +#define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) +#define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) +#define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) +#define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) +#define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) +#define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) +#define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) +#define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) +#define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) +#define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) +#define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) +#define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) +#define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) + +/* ----- Extended LMP capabilities ----- */ +#define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) +#define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) +#define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) +#define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) +#define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) +#define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) + +/* ----- Host capabilities ----- */ +#define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) +#define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) +#define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) +#define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) + +#define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ + !hci_dev_test_flag(dev, HCI_AUTO_OFF)) +#define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ + hci_dev_test_flag(dev, HCI_SC_ENABLED)) + +/* ----- HCI protocols ----- */ +#define HCI_PROTO_DEFER 0x01 + +static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, + __u8 type, __u8 *flags) +{ + switch (type) { + case ACL_LINK: + return l2cap_connect_ind(hdev, bdaddr); + + case SCO_LINK: + case ESCO_LINK: + return sco_connect_ind(hdev, bdaddr, flags); + + default: + BT_ERR("unknown link type %d", type); + return -EINVAL; + } +} + +static inline int hci_proto_disconn_ind(struct hci_conn *conn) +{ + if (conn->type != ACL_LINK && conn->type != LE_LINK) + return HCI_ERROR_REMOTE_USER_TERM; + + return l2cap_disconn_ind(conn); +} + +/* ----- HCI callbacks ----- */ +struct hci_cb { + struct list_head list; + + char *name; + + void (*connect_cfm) (struct hci_conn *conn, __u8 status); + void (*disconn_cfm) (struct hci_conn *conn, __u8 status); + void (*security_cfm) (struct hci_conn *conn, __u8 status, + __u8 encrypt); + void (*key_change_cfm) (struct hci_conn *conn, __u8 status); + void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); +}; + +static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) +{ + struct hci_cb *cb; + + mutex_lock(&hci_cb_list_lock); + list_for_each_entry(cb, &hci_cb_list, list) { + if (cb->connect_cfm) + cb->connect_cfm(conn, status); + } + mutex_unlock(&hci_cb_list_lock); + + if (conn->connect_cfm_cb) + conn->connect_cfm_cb(conn, status); +} + +static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) +{ + struct hci_cb *cb; + + mutex_lock(&hci_cb_list_lock); + list_for_each_entry(cb, &hci_cb_list, list) { + if (cb->disconn_cfm) + cb->disconn_cfm(conn, reason); + } + mutex_unlock(&hci_cb_list_lock); + + if (conn->disconn_cfm_cb) + conn->disconn_cfm_cb(conn, reason); +} + +static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) +{ + struct hci_cb *cb; + __u8 encrypt; + + if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) + return; + + encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; + + mutex_lock(&hci_cb_list_lock); + list_for_each_entry(cb, &hci_cb_list, list) { + if (cb->security_cfm) + cb->security_cfm(conn, status, encrypt); + } + mutex_unlock(&hci_cb_list_lock); + + if (conn->security_cfm_cb) + conn->security_cfm_cb(conn, status); +} + +static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, + __u8 encrypt) +{ + struct hci_cb *cb; + + if (conn->sec_level == BT_SECURITY_SDP) + conn->sec_level = BT_SECURITY_LOW; + + if (conn->pending_sec_level > conn->sec_level) + conn->sec_level = conn->pending_sec_level; + + mutex_lock(&hci_cb_list_lock); + list_for_each_entry(cb, &hci_cb_list, list) { + if (cb->security_cfm) + cb->security_cfm(conn, status, encrypt); + } + mutex_unlock(&hci_cb_list_lock); + + if (conn->security_cfm_cb) + conn->security_cfm_cb(conn, status); +} + +static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) +{ + struct hci_cb *cb; + + mutex_lock(&hci_cb_list_lock); + list_for_each_entry(cb, &hci_cb_list, list) { + if (cb->key_change_cfm) + cb->key_change_cfm(conn, status); + } + mutex_unlock(&hci_cb_list_lock); +} + +static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, + __u8 role) +{ + struct hci_cb *cb; + + mutex_lock(&hci_cb_list_lock); + list_for_each_entry(cb, &hci_cb_list, list) { + if (cb->role_switch_cfm) + cb->role_switch_cfm(conn, status, role); + } + mutex_unlock(&hci_cb_list_lock); +} + +static inline void *eir_get_data(u8 *eir, size_t eir_len, u8 type, + size_t *data_len) +{ + size_t parsed = 0; + + if (eir_len < 2) + return NULL; + + while (parsed < eir_len - 1) { + u8 field_len = eir[0]; + + if (field_len == 0) + break; + + parsed += field_len + 1; + + if (parsed > eir_len) + break; + + if (eir[1] != type) { + eir += field_len + 1; + continue; + } + + /* Zero length data */ + if (field_len == 1) + return NULL; + + if (data_len) + *data_len = field_len - 1; + + return &eir[2]; + } + + return NULL; +} + +static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) +{ + if (addr_type != ADDR_LE_DEV_RANDOM) + return false; + + if ((bdaddr->b[5] & 0xc0) == 0x40) + return true; + + return false; +} + +static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) +{ + if (addr_type == ADDR_LE_DEV_PUBLIC) + return true; + + /* Check for Random Static address type */ + if ((addr->b[5] & 0xc0) == 0xc0) + return true; + + return false; +} + +static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, + bdaddr_t *bdaddr, u8 addr_type) +{ + if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) + return NULL; + + return hci_find_irk_by_rpa(hdev, bdaddr); +} + +static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, + u16 to_multiplier) +{ + u16 max_latency; + + if (min > max || min < 6 || max > 3200) + return -EINVAL; + + if (to_multiplier < 10 || to_multiplier > 3200) + return -EINVAL; + + if (max >= to_multiplier * 8) + return -EINVAL; + + max_latency = (to_multiplier * 4 / max) - 1; + if (latency > 499 || latency > max_latency) + return -EINVAL; + + return 0; +} + +int hci_register_cb(struct hci_cb *hcb); +int hci_unregister_cb(struct hci_cb *hcb); + +struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, + const void *param, u32 timeout); +struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, + const void *param, u8 event, u32 timeout); +int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, + const void *param); + +int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, + const void *param); +void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); +void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); + +void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); + +struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, + const void *param, u32 timeout); + +/* ----- HCI Sockets ----- */ +void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); +void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, + int flag, struct sock *skip_sk); +void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); +void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, + void *data, u16 data_len, ktime_t tstamp, + int flag, struct sock *skip_sk); + +void hci_sock_dev_event(struct hci_dev *hdev, int event); + +#define HCI_MGMT_VAR_LEN BIT(0) +#define HCI_MGMT_NO_HDEV BIT(1) +#define HCI_MGMT_UNTRUSTED BIT(2) +#define HCI_MGMT_UNCONFIGURED BIT(3) + +struct hci_mgmt_handler { + int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, + u16 data_len); + size_t data_len; + unsigned long flags; +}; + +struct hci_mgmt_chan { + struct list_head list; + unsigned short channel; + size_t handler_count; + const struct hci_mgmt_handler *handlers; + void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); +}; + +int hci_mgmt_chan_register(struct hci_mgmt_chan *c); +void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); + +/* Management interface */ +#define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) +#define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ + BIT(BDADDR_LE_RANDOM)) +#define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ + BIT(BDADDR_LE_PUBLIC) | \ + BIT(BDADDR_LE_RANDOM)) + +/* These LE scan and inquiry parameters were chosen according to LE General + * Discovery Procedure specification. + */ +#define DISCOV_LE_SCAN_WIN 0x12 +#define DISCOV_LE_SCAN_INT 0x12 +#define DISCOV_LE_TIMEOUT 10240 /* msec */ +#define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ +#define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 +#define DISCOV_BREDR_INQUIRY_LEN 0x08 +#define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ + +void mgmt_fill_version_info(void *ver); +int mgmt_new_settings(struct hci_dev *hdev); +void mgmt_index_added(struct hci_dev *hdev); +void mgmt_index_removed(struct hci_dev *hdev); +void mgmt_set_powered_failed(struct hci_dev *hdev, int err); +void mgmt_power_on(struct hci_dev *hdev, int err); +void __mgmt_power_off(struct hci_dev *hdev); +void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, + bool persistent); +void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, + u32 flags, u8 *name, u8 name_len); +void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 link_type, u8 addr_type, u8 reason, + bool mgmt_connected); +void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 link_type, u8 addr_type, u8 status); +void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, + u8 addr_type, u8 status); +void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); +void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 status); +void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 status); +int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 link_type, u8 addr_type, u32 value, + u8 confirm_hint); +int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 link_type, u8 addr_type, u8 status); +int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 link_type, u8 addr_type, u8 status); +int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 link_type, u8 addr_type); +int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 link_type, u8 addr_type, u8 status); +int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 link_type, u8 addr_type, u8 status); +int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 link_type, u8 addr_type, u32 passkey, + u8 entered); +void mgmt_auth_failed(struct hci_conn *conn, u8 status); +void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); +void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); +void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, + u8 status); +void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); +void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); +void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); +void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, + u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, + u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); +void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, + u8 addr_type, s8 rssi, u8 *name, u8 name_len); +void mgmt_discovering(struct hci_dev *hdev, u8 discovering); +bool mgmt_powering_down(struct hci_dev *hdev); +void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); +void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); +void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, + bool persistent); +void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 bdaddr_type, u8 store_hint, u16 min_interval, + u16 max_interval, u16 latency, u16 timeout); +void mgmt_smp_complete(struct hci_conn *conn, bool complete); +bool mgmt_get_connectable(struct hci_dev *hdev); +void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status); +void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status); +u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); +void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, + u8 instance); +void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, + u8 instance); + +u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, + u16 to_multiplier); +void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, + __u8 ltk[16], __u8 key_size); + +void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 *bdaddr_type); + +#define SCO_AIRMODE_MASK 0x0003 +#define SCO_AIRMODE_CVSD 0x0000 +#define SCO_AIRMODE_TRANSP 0x0003 + +#endif /* __HCI_CORE_H */ diff --git a/include/net/bluetooth/hci_mon.h b/include/net/bluetooth/hci_mon.h new file mode 100644 index 0000000..240786b --- /dev/null +++ b/include/net/bluetooth/hci_mon.h @@ -0,0 +1,67 @@ +/* + BlueZ - Bluetooth protocol stack for Linux + + Copyright (C) 2011-2012 Intel Corporation + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License version 2 as + published by the Free Software Foundation; + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. + IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY + CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + + ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, + COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS + SOFTWARE IS DISCLAIMED. +*/ + +#ifndef __HCI_MON_H +#define __HCI_MON_H + +struct hci_mon_hdr { + __le16 opcode; + __le16 index; + __le16 len; +} __packed; +#define HCI_MON_HDR_SIZE 6 + +#define HCI_MON_NEW_INDEX 0 +#define HCI_MON_DEL_INDEX 1 +#define HCI_MON_COMMAND_PKT 2 +#define HCI_MON_EVENT_PKT 3 +#define HCI_MON_ACL_TX_PKT 4 +#define HCI_MON_ACL_RX_PKT 5 +#define HCI_MON_SCO_TX_PKT 6 +#define HCI_MON_SCO_RX_PKT 7 +#define HCI_MON_OPEN_INDEX 8 +#define HCI_MON_CLOSE_INDEX 9 +#define HCI_MON_INDEX_INFO 10 +#define HCI_MON_VENDOR_DIAG 11 +#define HCI_MON_SYSTEM_NOTE 12 +#define HCI_MON_USER_LOGGING 13 +#define HCI_MON_CTRL_OPEN 14 +#define HCI_MON_CTRL_CLOSE 15 +#define HCI_MON_CTRL_COMMAND 16 +#define HCI_MON_CTRL_EVENT 17 + +struct hci_mon_new_index { + __u8 type; + __u8 bus; + bdaddr_t bdaddr; + char name[8]; +} __packed; +#define HCI_MON_NEW_INDEX_SIZE 16 + +struct hci_mon_index_info { + bdaddr_t bdaddr; + __le16 manufacturer; +} __packed; +#define HCI_MON_INDEX_INFO_SIZE 8 + +#endif /* __HCI_MON_H */ diff --git a/include/net/bluetooth/hci_sock.h b/include/net/bluetooth/hci_sock.h new file mode 100644 index 0000000..8e9138a --- /dev/null +++ b/include/net/bluetooth/hci_sock.h @@ -0,0 +1,176 @@ +/* + BlueZ - Bluetooth protocol stack for Linux + Copyright (C) 2000-2001 Qualcomm Incorporated + + Written 2000,2001 by Maxim Krasnyansky + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License version 2 as + published by the Free Software Foundation; + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. + IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY + CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + + ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, + COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS + SOFTWARE IS DISCLAIMED. +*/ + +#ifndef __HCI_SOCK_H +#define __HCI_SOCK_H + +/* Socket options */ +#define HCI_DATA_DIR 1 +#define HCI_FILTER 2 +#define HCI_TIME_STAMP 3 + +/* CMSG flags */ +#define HCI_CMSG_DIR 0x0001 +#define HCI_CMSG_TSTAMP 0x0002 + +struct sockaddr_hci { + sa_family_t hci_family; + unsigned short hci_dev; + unsigned short hci_channel; +}; +#define HCI_DEV_NONE 0xffff + +#define HCI_CHANNEL_RAW 0 +#define HCI_CHANNEL_USER 1 +#define HCI_CHANNEL_MONITOR 2 +#define HCI_CHANNEL_CONTROL 3 +#define HCI_CHANNEL_LOGGING 4 + +struct hci_filter { + unsigned long type_mask; + unsigned long event_mask[2]; + __le16 opcode; +}; + +struct hci_ufilter { + __u32 type_mask; + __u32 event_mask[2]; + __le16 opcode; +}; + +#define HCI_FLT_TYPE_BITS 31 +#define HCI_FLT_EVENT_BITS 63 +#define HCI_FLT_OGF_BITS 63 +#define HCI_FLT_OCF_BITS 127 + +/* Ioctl defines */ +#define HCIDEVUP _IOW('H', 201, int) +#define HCIDEVDOWN _IOW('H', 202, int) +#define HCIDEVRESET _IOW('H', 203, int) +#define HCIDEVRESTAT _IOW('H', 204, int) + +#define HCIGETDEVLIST _IOR('H', 210, int) +#define HCIGETDEVINFO _IOR('H', 211, int) +#define HCIGETCONNLIST _IOR('H', 212, int) +#define HCIGETCONNINFO _IOR('H', 213, int) +#define HCIGETAUTHINFO _IOR('H', 215, int) + +#define HCISETRAW _IOW('H', 220, int) +#define HCISETSCAN _IOW('H', 221, int) +#define HCISETAUTH _IOW('H', 222, int) +#define HCISETENCRYPT _IOW('H', 223, int) +#define HCISETPTYPE _IOW('H', 224, int) +#define HCISETLINKPOL _IOW('H', 225, int) +#define HCISETLINKMODE _IOW('H', 226, int) +#define HCISETACLMTU _IOW('H', 227, int) +#define HCISETSCOMTU _IOW('H', 228, int) + +#define HCIBLOCKADDR _IOW('H', 230, int) +#define HCIUNBLOCKADDR _IOW('H', 231, int) + +#define HCIINQUIRY _IOR('H', 240, int) + +/* Ioctl requests structures */ +struct hci_dev_stats { + __u32 err_rx; + __u32 err_tx; + __u32 cmd_tx; + __u32 evt_rx; + __u32 acl_tx; + __u32 acl_rx; + __u32 sco_tx; + __u32 sco_rx; + __u32 byte_rx; + __u32 byte_tx; +}; + +struct hci_dev_info { + __u16 dev_id; + char name[8]; + + bdaddr_t bdaddr; + + __u32 flags; + __u8 type; + + __u8 features[8]; + + __u32 pkt_type; + __u32 link_policy; + __u32 link_mode; + + __u16 acl_mtu; + __u16 acl_pkts; + __u16 sco_mtu; + __u16 sco_pkts; + + struct hci_dev_stats stat; +}; + +struct hci_conn_info { + __u16 handle; + bdaddr_t bdaddr; + __u8 type; + __u8 out; + __u16 state; + __u32 link_mode; +}; + +struct hci_dev_req { + __u16 dev_id; + __u32 dev_opt; +}; + +struct hci_dev_list_req { + __u16 dev_num; + struct hci_dev_req dev_req[0]; /* hci_dev_req structures */ +}; + +struct hci_conn_list_req { + __u16 dev_id; + __u16 conn_num; + struct hci_conn_info conn_info[0]; +}; + +struct hci_conn_info_req { + bdaddr_t bdaddr; + __u8 type; + struct hci_conn_info conn_info[0]; +}; + +struct hci_auth_info_req { + bdaddr_t bdaddr; + __u8 type; +}; + +struct hci_inquiry_req { + __u16 dev_id; + __u16 flags; + __u8 lap[3]; + __u8 length; + __u8 num_rsp; +}; +#define IREQ_CACHE_FLUSH 0x0001 + +#endif /* __HCI_SOCK_H */ diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h new file mode 100644 index 0000000..0697fd4 --- /dev/null +++ b/include/net/bluetooth/l2cap.h @@ -0,0 +1,951 @@ +/* + BlueZ - Bluetooth protocol stack for Linux + Copyright (C) 2000-2001 Qualcomm Incorporated + Copyright (C) 2009-2010 Gustavo F. Padovan + Copyright (C) 2010 Google Inc. + + Written 2000,2001 by Maxim Krasnyansky + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License version 2 as + published by the Free Software Foundation; + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. + IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY + CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + + ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, + COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS + SOFTWARE IS DISCLAIMED. +*/ + +#ifndef __L2CAP_H +#define __L2CAP_H + +#include +#include + +/* L2CAP defaults */ +#define L2CAP_DEFAULT_MTU 672 +#define L2CAP_DEFAULT_MIN_MTU 48 +#define L2CAP_DEFAULT_FLUSH_TO 0xFFFF +#define L2CAP_EFS_DEFAULT_FLUSH_TO 0xFFFFFFFF +#define L2CAP_DEFAULT_TX_WINDOW 63 +#define L2CAP_DEFAULT_EXT_WINDOW 0x3FFF +#define L2CAP_DEFAULT_MAX_TX 3 +#define L2CAP_DEFAULT_RETRANS_TO 2000 /* 2 seconds */ +#define L2CAP_DEFAULT_MONITOR_TO 12000 /* 12 seconds */ +#define L2CAP_DEFAULT_MAX_PDU_SIZE 1492 /* Sized for AMP packet */ +#define L2CAP_DEFAULT_ACK_TO 200 +#define L2CAP_DEFAULT_MAX_SDU_SIZE 0xFFFF +#define L2CAP_DEFAULT_SDU_ITIME 0xFFFFFFFF +#define L2CAP_DEFAULT_ACC_LAT 0xFFFFFFFF +#define L2CAP_BREDR_MAX_PAYLOAD 1019 /* 3-DH5 packet */ +#define L2CAP_LE_MIN_MTU 23 + +#define L2CAP_DISC_TIMEOUT msecs_to_jiffies(100) +#define L2CAP_DISC_REJ_TIMEOUT msecs_to_jiffies(5000) +#define L2CAP_ENC_TIMEOUT msecs_to_jiffies(5000) +#define L2CAP_CONN_TIMEOUT msecs_to_jiffies(40000) +#define L2CAP_INFO_TIMEOUT msecs_to_jiffies(4000) +#define L2CAP_MOVE_TIMEOUT msecs_to_jiffies(4000) +#define L2CAP_MOVE_ERTX_TIMEOUT msecs_to_jiffies(60000) +#define L2CAP_WAIT_ACK_POLL_PERIOD msecs_to_jiffies(200) +#define L2CAP_WAIT_ACK_TIMEOUT msecs_to_jiffies(10000) + +#define L2CAP_A2MP_DEFAULT_MTU 670 + +/* L2CAP socket address */ +struct sockaddr_l2 { + sa_family_t l2_family; + __le16 l2_psm; + bdaddr_t l2_bdaddr; + __le16 l2_cid; + __u8 l2_bdaddr_type; +}; + +/* L2CAP socket options */ +#define L2CAP_OPTIONS 0x01 +struct l2cap_options { + __u16 omtu; + __u16 imtu; + __u16 flush_to; + __u8 mode; + __u8 fcs; + __u8 max_tx; + __u16 txwin_size; +}; + +#define L2CAP_CONNINFO 0x02 +struct l2cap_conninfo { + __u16 hci_handle; + __u8 dev_class[3]; +}; + +#define L2CAP_LM 0x03 +#define L2CAP_LM_MASTER 0x0001 +#define L2CAP_LM_AUTH 0x0002 +#define L2CAP_LM_ENCRYPT 0x0004 +#define L2CAP_LM_TRUSTED 0x0008 +#define L2CAP_LM_RELIABLE 0x0010 +#define L2CAP_LM_SECURE 0x0020 +#define L2CAP_LM_FIPS 0x0040 + +/* L2CAP command codes */ +#define L2CAP_COMMAND_REJ 0x01 +#define L2CAP_CONN_REQ 0x02 +#define L2CAP_CONN_RSP 0x03 +#define L2CAP_CONF_REQ 0x04 +#define L2CAP_CONF_RSP 0x05 +#define L2CAP_DISCONN_REQ 0x06 +#define L2CAP_DISCONN_RSP 0x07 +#define L2CAP_ECHO_REQ 0x08 +#define L2CAP_ECHO_RSP 0x09 +#define L2CAP_INFO_REQ 0x0a +#define L2CAP_INFO_RSP 0x0b +#define L2CAP_CREATE_CHAN_REQ 0x0c +#define L2CAP_CREATE_CHAN_RSP 0x0d +#define L2CAP_MOVE_CHAN_REQ 0x0e +#define L2CAP_MOVE_CHAN_RSP 0x0f +#define L2CAP_MOVE_CHAN_CFM 0x10 +#define L2CAP_MOVE_CHAN_CFM_RSP 0x11 +#define L2CAP_CONN_PARAM_UPDATE_REQ 0x12 +#define L2CAP_CONN_PARAM_UPDATE_RSP 0x13 +#define L2CAP_LE_CONN_REQ 0x14 +#define L2CAP_LE_CONN_RSP 0x15 +#define L2CAP_LE_CREDITS 0x16 + +/* L2CAP extended feature mask */ +#define L2CAP_FEAT_FLOWCTL 0x00000001 +#define L2CAP_FEAT_RETRANS 0x00000002 +#define L2CAP_FEAT_BIDIR_QOS 0x00000004 +#define L2CAP_FEAT_ERTM 0x00000008 +#define L2CAP_FEAT_STREAMING 0x00000010 +#define L2CAP_FEAT_FCS 0x00000020 +#define L2CAP_FEAT_EXT_FLOW 0x00000040 +#define L2CAP_FEAT_FIXED_CHAN 0x00000080 +#define L2CAP_FEAT_EXT_WINDOW 0x00000100 +#define L2CAP_FEAT_UCD 0x00000200 + +/* L2CAP checksum option */ +#define L2CAP_FCS_NONE 0x00 +#define L2CAP_FCS_CRC16 0x01 + +/* L2CAP fixed channels */ +#define L2CAP_FC_SIG_BREDR 0x02 +#define L2CAP_FC_CONNLESS 0x04 +#define L2CAP_FC_A2MP 0x08 +#define L2CAP_FC_ATT 0x10 +#define L2CAP_FC_SIG_LE 0x20 +#define L2CAP_FC_SMP_LE 0x40 +#define L2CAP_FC_SMP_BREDR 0x80 + +/* L2CAP Control Field bit masks */ +#define L2CAP_CTRL_SAR 0xC000 +#define L2CAP_CTRL_REQSEQ 0x3F00 +#define L2CAP_CTRL_TXSEQ 0x007E +#define L2CAP_CTRL_SUPERVISE 0x000C + +#define L2CAP_CTRL_RETRANS 0x0080 +#define L2CAP_CTRL_FINAL 0x0080 +#define L2CAP_CTRL_POLL 0x0010 +#define L2CAP_CTRL_FRAME_TYPE 0x0001 /* I- or S-Frame */ + +#define L2CAP_CTRL_TXSEQ_SHIFT 1 +#define L2CAP_CTRL_SUPER_SHIFT 2 +#define L2CAP_CTRL_POLL_SHIFT 4 +#define L2CAP_CTRL_FINAL_SHIFT 7 +#define L2CAP_CTRL_REQSEQ_SHIFT 8 +#define L2CAP_CTRL_SAR_SHIFT 14 + +/* L2CAP Extended Control Field bit mask */ +#define L2CAP_EXT_CTRL_TXSEQ 0xFFFC0000 +#define L2CAP_EXT_CTRL_SAR 0x00030000 +#define L2CAP_EXT_CTRL_SUPERVISE 0x00030000 +#define L2CAP_EXT_CTRL_REQSEQ 0x0000FFFC + +#define L2CAP_EXT_CTRL_POLL 0x00040000 +#define L2CAP_EXT_CTRL_FINAL 0x00000002 +#define L2CAP_EXT_CTRL_FRAME_TYPE 0x00000001 /* I- or S-Frame */ + +#define L2CAP_EXT_CTRL_FINAL_SHIFT 1 +#define L2CAP_EXT_CTRL_REQSEQ_SHIFT 2 +#define L2CAP_EXT_CTRL_SAR_SHIFT 16 +#define L2CAP_EXT_CTRL_SUPER_SHIFT 16 +#define L2CAP_EXT_CTRL_POLL_SHIFT 18 +#define L2CAP_EXT_CTRL_TXSEQ_SHIFT 18 + +/* L2CAP Supervisory Function */ +#define L2CAP_SUPER_RR 0x00 +#define L2CAP_SUPER_REJ 0x01 +#define L2CAP_SUPER_RNR 0x02 +#define L2CAP_SUPER_SREJ 0x03 + +/* L2CAP Segmentation and Reassembly */ +#define L2CAP_SAR_UNSEGMENTED 0x00 +#define L2CAP_SAR_START 0x01 +#define L2CAP_SAR_END 0x02 +#define L2CAP_SAR_CONTINUE 0x03 + +/* L2CAP Command rej. reasons */ +#define L2CAP_REJ_NOT_UNDERSTOOD 0x0000 +#define L2CAP_REJ_MTU_EXCEEDED 0x0001 +#define L2CAP_REJ_INVALID_CID 0x0002 + +/* L2CAP structures */ +struct l2cap_hdr { + __le16 len; + __le16 cid; +} __packed; +#define L2CAP_HDR_SIZE 4 +#define L2CAP_ENH_HDR_SIZE 6 +#define L2CAP_EXT_HDR_SIZE 8 + +#define L2CAP_FCS_SIZE 2 +#define L2CAP_SDULEN_SIZE 2 +#define L2CAP_PSMLEN_SIZE 2 +#define L2CAP_ENH_CTRL_SIZE 2 +#define L2CAP_EXT_CTRL_SIZE 4 + +struct l2cap_cmd_hdr { + __u8 code; + __u8 ident; + __le16 len; +} __packed; +#define L2CAP_CMD_HDR_SIZE 4 + +struct l2cap_cmd_rej_unk { + __le16 reason; +} __packed; + +struct l2cap_cmd_rej_mtu { + __le16 reason; + __le16 max_mtu; +} __packed; + +struct l2cap_cmd_rej_cid { + __le16 reason; + __le16 scid; + __le16 dcid; +} __packed; + +struct l2cap_conn_req { + __le16 psm; + __le16 scid; +} __packed; + +struct l2cap_conn_rsp { + __le16 dcid; + __le16 scid; + __le16 result; + __le16 status; +} __packed; + +/* protocol/service multiplexer (PSM) */ +#define L2CAP_PSM_SDP 0x0001 +#define L2CAP_PSM_RFCOMM 0x0003 +#define L2CAP_PSM_3DSP 0x0021 +#define L2CAP_PSM_IPSP 0x0023 /* 6LoWPAN */ + +#define L2CAP_PSM_DYN_START 0x1001 +#define L2CAP_PSM_DYN_END 0xffff +#define L2CAP_PSM_AUTO_END 0x10ff +#define L2CAP_PSM_LE_DYN_START 0x0080 +#define L2CAP_PSM_LE_DYN_END 0x00ff + +/* channel identifier */ +#define L2CAP_CID_SIGNALING 0x0001 +#define L2CAP_CID_CONN_LESS 0x0002 +#define L2CAP_CID_A2MP 0x0003 +#define L2CAP_CID_ATT 0x0004 +#define L2CAP_CID_LE_SIGNALING 0x0005 +#define L2CAP_CID_SMP 0x0006 +#define L2CAP_CID_SMP_BREDR 0x0007 +#define L2CAP_CID_DYN_START 0x0040 +#define L2CAP_CID_DYN_END 0xffff +#define L2CAP_CID_LE_DYN_END 0x007f + +/* connect/create channel results */ +#define L2CAP_CR_SUCCESS 0x0000 +#define L2CAP_CR_PEND 0x0001 +#define L2CAP_CR_BAD_PSM 0x0002 +#define L2CAP_CR_SEC_BLOCK 0x0003 +#define L2CAP_CR_NO_MEM 0x0004 +#define L2CAP_CR_BAD_AMP 0x0005 +#define L2CAP_CR_AUTHENTICATION 0x0005 +#define L2CAP_CR_AUTHORIZATION 0x0006 +#define L2CAP_CR_BAD_KEY_SIZE 0x0007 +#define L2CAP_CR_ENCRYPTION 0x0008 +#define L2CAP_CR_INVALID_SCID 0x0009 +#define L2CAP_CR_SCID_IN_USE 0x000A + +/* connect/create channel status */ +#define L2CAP_CS_NO_INFO 0x0000 +#define L2CAP_CS_AUTHEN_PEND 0x0001 +#define L2CAP_CS_AUTHOR_PEND 0x0002 + +struct l2cap_conf_req { + __le16 dcid; + __le16 flags; + __u8 data[0]; +} __packed; + +struct l2cap_conf_rsp { + __le16 scid; + __le16 flags; + __le16 result; + __u8 data[0]; +} __packed; + +#define L2CAP_CONF_SUCCESS 0x0000 +#define L2CAP_CONF_UNACCEPT 0x0001 +#define L2CAP_CONF_REJECT 0x0002 +#define L2CAP_CONF_UNKNOWN 0x0003 +#define L2CAP_CONF_PENDING 0x0004 +#define L2CAP_CONF_EFS_REJECT 0x0005 + +/* configuration req/rsp continuation flag */ +#define L2CAP_CONF_FLAG_CONTINUATION 0x0001 + +struct l2cap_conf_opt { + __u8 type; + __u8 len; + __u8 val[0]; +} __packed; +#define L2CAP_CONF_OPT_SIZE 2 + +#define L2CAP_CONF_HINT 0x80 +#define L2CAP_CONF_MASK 0x7f + +#define L2CAP_CONF_MTU 0x01 +#define L2CAP_CONF_FLUSH_TO 0x02 +#define L2CAP_CONF_QOS 0x03 +#define L2CAP_CONF_RFC 0x04 +#define L2CAP_CONF_FCS 0x05 +#define L2CAP_CONF_EFS 0x06 +#define L2CAP_CONF_EWS 0x07 + +#define L2CAP_CONF_MAX_SIZE 22 + +struct l2cap_conf_rfc { + __u8 mode; + __u8 txwin_size; + __u8 max_transmit; + __le16 retrans_timeout; + __le16 monitor_timeout; + __le16 max_pdu_size; +} __packed; + +#define L2CAP_MODE_BASIC 0x00 +#define L2CAP_MODE_RETRANS 0x01 +#define L2CAP_MODE_FLOWCTL 0x02 +#define L2CAP_MODE_ERTM 0x03 +#define L2CAP_MODE_STREAMING 0x04 + +/* Unlike the above this one doesn't actually map to anything that would + * ever be sent over the air. Therefore, use a value that's unlikely to + * ever be used in the BR/EDR configuration phase. + */ +#define L2CAP_MODE_LE_FLOWCTL 0x80 + +struct l2cap_conf_efs { + __u8 id; + __u8 stype; + __le16 msdu; + __le32 sdu_itime; + __le32 acc_lat; + __le32 flush_to; +} __packed; + +#define L2CAP_SERV_NOTRAFIC 0x00 +#define L2CAP_SERV_BESTEFFORT 0x01 +#define L2CAP_SERV_GUARANTEED 0x02 + +#define L2CAP_BESTEFFORT_ID 0x01 + +struct l2cap_disconn_req { + __le16 dcid; + __le16 scid; +} __packed; + +struct l2cap_disconn_rsp { + __le16 dcid; + __le16 scid; +} __packed; + +struct l2cap_info_req { + __le16 type; +} __packed; + +struct l2cap_info_rsp { + __le16 type; + __le16 result; + __u8 data[0]; +} __packed; + +struct l2cap_create_chan_req { + __le16 psm; + __le16 scid; + __u8 amp_id; +} __packed; + +struct l2cap_create_chan_rsp { + __le16 dcid; + __le16 scid; + __le16 result; + __le16 status; +} __packed; + +struct l2cap_move_chan_req { + __le16 icid; + __u8 dest_amp_id; +} __packed; + +struct l2cap_move_chan_rsp { + __le16 icid; + __le16 result; +} __packed; + +#define L2CAP_MR_SUCCESS 0x0000 +#define L2CAP_MR_PEND 0x0001 +#define L2CAP_MR_BAD_ID 0x0002 +#define L2CAP_MR_SAME_ID 0x0003 +#define L2CAP_MR_NOT_SUPP 0x0004 +#define L2CAP_MR_COLLISION 0x0005 +#define L2CAP_MR_NOT_ALLOWED 0x0006 + +struct l2cap_move_chan_cfm { + __le16 icid; + __le16 result; +} __packed; + +#define L2CAP_MC_CONFIRMED 0x0000 +#define L2CAP_MC_UNCONFIRMED 0x0001 + +struct l2cap_move_chan_cfm_rsp { + __le16 icid; +} __packed; + +/* info type */ +#define L2CAP_IT_CL_MTU 0x0001 +#define L2CAP_IT_FEAT_MASK 0x0002 +#define L2CAP_IT_FIXED_CHAN 0x0003 + +/* info result */ +#define L2CAP_IR_SUCCESS 0x0000 +#define L2CAP_IR_NOTSUPP 0x0001 + +struct l2cap_conn_param_update_req { + __le16 min; + __le16 max; + __le16 latency; + __le16 to_multiplier; +} __packed; + +struct l2cap_conn_param_update_rsp { + __le16 result; +} __packed; + +/* Connection Parameters result */ +#define L2CAP_CONN_PARAM_ACCEPTED 0x0000 +#define L2CAP_CONN_PARAM_REJECTED 0x0001 + +#define L2CAP_LE_MAX_CREDITS 10 +#define L2CAP_LE_DEFAULT_MPS 230 + +struct l2cap_le_conn_req { + __le16 psm; + __le16 scid; + __le16 mtu; + __le16 mps; + __le16 credits; +} __packed; + +struct l2cap_le_conn_rsp { + __le16 dcid; + __le16 mtu; + __le16 mps; + __le16 credits; + __le16 result; +} __packed; + +struct l2cap_le_credits { + __le16 cid; + __le16 credits; +} __packed; + +/* ----- L2CAP channels and connections ----- */ +struct l2cap_seq_list { + __u16 head; + __u16 tail; + __u16 mask; + __u16 *list; +}; + +#define L2CAP_SEQ_LIST_CLEAR 0xFFFF +#define L2CAP_SEQ_LIST_TAIL 0x8000 + +struct l2cap_chan { + struct l2cap_conn *conn; + struct hci_conn *hs_hcon; + struct hci_chan *hs_hchan; + struct kref kref; + atomic_t nesting; + + __u8 state; + + bdaddr_t dst; + __u8 dst_type; + bdaddr_t src; + __u8 src_type; + __le16 psm; + __le16 sport; + __u16 dcid; + __u16 scid; + + __u16 imtu; + __u16 omtu; + __u16 flush_to; + __u8 mode; + __u8 chan_type; + __u8 chan_policy; + + __u8 sec_level; + + __u8 ident; + + __u8 conf_req[64]; + __u8 conf_len; + __u8 num_conf_req; + __u8 num_conf_rsp; + + __u8 fcs; + + __u16 tx_win; + __u16 tx_win_max; + __u16 ack_win; + __u8 max_tx; + __u16 retrans_timeout; + __u16 monitor_timeout; + __u16 mps; + + __u16 tx_credits; + __u16 rx_credits; + + __u8 tx_state; + __u8 rx_state; + + unsigned long conf_state; + unsigned long conn_state; + unsigned long flags; + + __u8 remote_amp_id; + __u8 local_amp_id; + __u8 move_id; + __u8 move_state; + __u8 move_role; + + __u16 next_tx_seq; + __u16 expected_ack_seq; + __u16 expected_tx_seq; + __u16 buffer_seq; + __u16 srej_save_reqseq; + __u16 last_acked_seq; + __u16 frames_sent; + __u16 unacked_frames; + __u8 retry_count; + __u16 sdu_len; + struct sk_buff *sdu; + struct sk_buff *sdu_last_frag; + + __u16 remote_tx_win; + __u8 remote_max_tx; + __u16 remote_mps; + + __u8 local_id; + __u8 local_stype; + __u16 local_msdu; + __u32 local_sdu_itime; + __u32 local_acc_lat; + __u32 local_flush_to; + + __u8 remote_id; + __u8 remote_stype; + __u16 remote_msdu; + __u32 remote_sdu_itime; + __u32 remote_acc_lat; + __u32 remote_flush_to; + + struct delayed_work chan_timer; + struct delayed_work retrans_timer; + struct delayed_work monitor_timer; + struct delayed_work ack_timer; + + struct sk_buff *tx_send_head; + struct sk_buff_head tx_q; + struct sk_buff_head srej_q; + struct l2cap_seq_list srej_list; + struct l2cap_seq_list retrans_list; + + struct list_head list; + struct list_head global_l; + + void *data; + const struct l2cap_ops *ops; + struct mutex lock; +}; + +struct l2cap_ops { + char *name; + + struct l2cap_chan *(*new_connection) (struct l2cap_chan *chan); + int (*recv) (struct l2cap_chan * chan, + struct sk_buff *skb); + void (*teardown) (struct l2cap_chan *chan, int err); + void (*close) (struct l2cap_chan *chan); + void (*state_change) (struct l2cap_chan *chan, + int state, int err); + void (*ready) (struct l2cap_chan *chan); + void (*defer) (struct l2cap_chan *chan); + void (*resume) (struct l2cap_chan *chan); + void (*suspend) (struct l2cap_chan *chan); + void (*set_shutdown) (struct l2cap_chan *chan); + long (*get_sndtimeo) (struct l2cap_chan *chan); + struct sk_buff *(*alloc_skb) (struct l2cap_chan *chan, + unsigned long hdr_len, + unsigned long len, int nb); +}; + +struct l2cap_conn { + struct hci_conn *hcon; + struct hci_chan *hchan; + + unsigned int mtu; + + __u32 feat_mask; + __u8 remote_fixed_chan; + __u8 local_fixed_chan; + + __u8 info_state; + __u8 info_ident; + + struct delayed_work info_timer; + + struct sk_buff *rx_skb; + __u32 rx_len; + __u8 tx_ident; + struct mutex ident_lock; + + struct sk_buff_head pending_rx; + struct work_struct pending_rx_work; + + struct work_struct id_addr_update_work; + + __u8 disc_reason; + + struct l2cap_chan *smp; + + struct list_head chan_l; + struct mutex chan_lock; + struct kref ref; + struct list_head users; +}; + +struct l2cap_user { + struct list_head list; + int (*probe) (struct l2cap_conn *conn, struct l2cap_user *user); + void (*remove) (struct l2cap_conn *conn, struct l2cap_user *user); +}; + +#define L2CAP_INFO_CL_MTU_REQ_SENT 0x01 +#define L2CAP_INFO_FEAT_MASK_REQ_SENT 0x04 +#define L2CAP_INFO_FEAT_MASK_REQ_DONE 0x08 + +#define L2CAP_CHAN_RAW 1 +#define L2CAP_CHAN_CONN_LESS 2 +#define L2CAP_CHAN_CONN_ORIENTED 3 +#define L2CAP_CHAN_FIXED 4 + +/* ----- L2CAP socket info ----- */ +#define l2cap_pi(sk) ((struct l2cap_pinfo *) sk) + +struct l2cap_pinfo { + struct bt_sock bt; + struct l2cap_chan *chan; + struct sk_buff *rx_busy_skb; +}; + +enum { + CONF_REQ_SENT, + CONF_INPUT_DONE, + CONF_OUTPUT_DONE, + CONF_MTU_DONE, + CONF_MODE_DONE, + CONF_CONNECT_PEND, + CONF_RECV_NO_FCS, + CONF_STATE2_DEVICE, + CONF_EWS_RECV, + CONF_LOC_CONF_PEND, + CONF_REM_CONF_PEND, + CONF_NOT_COMPLETE, +}; + +#define L2CAP_CONF_MAX_CONF_REQ 2 +#define L2CAP_CONF_MAX_CONF_RSP 2 + +enum { + CONN_SREJ_SENT, + CONN_WAIT_F, + CONN_SREJ_ACT, + CONN_SEND_PBIT, + CONN_REMOTE_BUSY, + CONN_LOCAL_BUSY, + CONN_REJ_ACT, + CONN_SEND_FBIT, + CONN_RNR_SENT, +}; + +/* Definitions for flags in l2cap_chan */ +enum { + FLAG_ROLE_SWITCH, + FLAG_FORCE_ACTIVE, + FLAG_FORCE_RELIABLE, + FLAG_FLUSHABLE, + FLAG_EXT_CTRL, + FLAG_EFS_ENABLE, + FLAG_DEFER_SETUP, + FLAG_LE_CONN_REQ_SENT, + FLAG_PENDING_SECURITY, + FLAG_HOLD_HCI_CONN, +}; + +/* Lock nesting levels for L2CAP channels. We need these because lockdep + * otherwise considers all channels equal and will e.g. complain about a + * connection oriented channel triggering SMP procedures or a listening + * channel creating and locking a child channel. + */ +enum { + L2CAP_NESTING_SMP, + L2CAP_NESTING_NORMAL, + L2CAP_NESTING_PARENT, +}; + +enum { + L2CAP_TX_STATE_XMIT, + L2CAP_TX_STATE_WAIT_F, +}; + +enum { + L2CAP_RX_STATE_RECV, + L2CAP_RX_STATE_SREJ_SENT, + L2CAP_RX_STATE_MOVE, + L2CAP_RX_STATE_WAIT_P, + L2CAP_RX_STATE_WAIT_F, +}; + +enum { + L2CAP_TXSEQ_EXPECTED, + L2CAP_TXSEQ_EXPECTED_SREJ, + L2CAP_TXSEQ_UNEXPECTED, + L2CAP_TXSEQ_UNEXPECTED_SREJ, + L2CAP_TXSEQ_DUPLICATE, + L2CAP_TXSEQ_DUPLICATE_SREJ, + L2CAP_TXSEQ_INVALID, + L2CAP_TXSEQ_INVALID_IGNORE, +}; + +enum { + L2CAP_EV_DATA_REQUEST, + L2CAP_EV_LOCAL_BUSY_DETECTED, + L2CAP_EV_LOCAL_BUSY_CLEAR, + L2CAP_EV_RECV_REQSEQ_AND_FBIT, + L2CAP_EV_RECV_FBIT, + L2CAP_EV_RETRANS_TO, + L2CAP_EV_MONITOR_TO, + L2CAP_EV_EXPLICIT_POLL, + L2CAP_EV_RECV_IFRAME, + L2CAP_EV_RECV_RR, + L2CAP_EV_RECV_REJ, + L2CAP_EV_RECV_RNR, + L2CAP_EV_RECV_SREJ, + L2CAP_EV_RECV_FRAME, +}; + +enum { + L2CAP_MOVE_ROLE_NONE, + L2CAP_MOVE_ROLE_INITIATOR, + L2CAP_MOVE_ROLE_RESPONDER, +}; + +enum { + L2CAP_MOVE_STABLE, + L2CAP_MOVE_WAIT_REQ, + L2CAP_MOVE_WAIT_RSP, + L2CAP_MOVE_WAIT_RSP_SUCCESS, + L2CAP_MOVE_WAIT_CONFIRM, + L2CAP_MOVE_WAIT_CONFIRM_RSP, + L2CAP_MOVE_WAIT_LOGICAL_COMP, + L2CAP_MOVE_WAIT_LOGICAL_CFM, + L2CAP_MOVE_WAIT_LOCAL_BUSY, + L2CAP_MOVE_WAIT_PREPARE, +}; + +void l2cap_chan_hold(struct l2cap_chan *c); +void l2cap_chan_put(struct l2cap_chan *c); + +static inline void l2cap_chan_lock(struct l2cap_chan *chan) +{ + mutex_lock_nested(&chan->lock, atomic_read(&chan->nesting)); +} + +static inline void l2cap_chan_unlock(struct l2cap_chan *chan) +{ + mutex_unlock(&chan->lock); +} + +static inline void l2cap_set_timer(struct l2cap_chan *chan, + struct delayed_work *work, long timeout) +{ + BT_DBG("chan %p state %s timeout %ld", chan, + state_to_string(chan->state), timeout); + + /* If delayed work cancelled do not hold(chan) + since it is already done with previous set_timer */ + if (!cancel_delayed_work(work)) + l2cap_chan_hold(chan); + + schedule_delayed_work(work, timeout); +} + +static inline bool l2cap_clear_timer(struct l2cap_chan *chan, + struct delayed_work *work) +{ + bool ret; + + /* put(chan) if delayed work cancelled otherwise it + is done in delayed work function */ + ret = cancel_delayed_work(work); + if (ret) + l2cap_chan_put(chan); + + return ret; +} + +#define __set_chan_timer(c, t) l2cap_set_timer(c, &c->chan_timer, (t)) +#define __clear_chan_timer(c) l2cap_clear_timer(c, &c->chan_timer) +#define __clear_retrans_timer(c) l2cap_clear_timer(c, &c->retrans_timer) +#define __clear_monitor_timer(c) l2cap_clear_timer(c, &c->monitor_timer) +#define __set_ack_timer(c) l2cap_set_timer(c, &chan->ack_timer, \ + msecs_to_jiffies(L2CAP_DEFAULT_ACK_TO)); +#define __clear_ack_timer(c) l2cap_clear_timer(c, &c->ack_timer) + +static inline int __seq_offset(struct l2cap_chan *chan, __u16 seq1, __u16 seq2) +{ + if (seq1 >= seq2) + return seq1 - seq2; + else + return chan->tx_win_max + 1 - seq2 + seq1; +} + +static inline __u16 __next_seq(struct l2cap_chan *chan, __u16 seq) +{ + return (seq + 1) % (chan->tx_win_max + 1); +} + +static inline struct l2cap_chan *l2cap_chan_no_new_connection(struct l2cap_chan *chan) +{ + return NULL; +} + +static inline int l2cap_chan_no_recv(struct l2cap_chan *chan, struct sk_buff *skb) +{ + return -ENOSYS; +} + +static inline struct sk_buff *l2cap_chan_no_alloc_skb(struct l2cap_chan *chan, + unsigned long hdr_len, + unsigned long len, int nb) +{ + return ERR_PTR(-ENOSYS); +} + +static inline void l2cap_chan_no_teardown(struct l2cap_chan *chan, int err) +{ +} + +static inline void l2cap_chan_no_close(struct l2cap_chan *chan) +{ +} + +static inline void l2cap_chan_no_ready(struct l2cap_chan *chan) +{ +} + +static inline void l2cap_chan_no_state_change(struct l2cap_chan *chan, + int state, int err) +{ +} + +static inline void l2cap_chan_no_defer(struct l2cap_chan *chan) +{ +} + +static inline void l2cap_chan_no_suspend(struct l2cap_chan *chan) +{ +} + +static inline void l2cap_chan_no_resume(struct l2cap_chan *chan) +{ +} + +static inline void l2cap_chan_no_set_shutdown(struct l2cap_chan *chan) +{ +} + +static inline long l2cap_chan_no_get_sndtimeo(struct l2cap_chan *chan) +{ + return 0; +} + +extern bool disable_ertm; + +int l2cap_init_sockets(void); +void l2cap_cleanup_sockets(void); +bool l2cap_is_socket(struct socket *sock); + +void __l2cap_le_connect_rsp_defer(struct l2cap_chan *chan); +void __l2cap_connect_rsp_defer(struct l2cap_chan *chan); + +int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm); +int l2cap_add_scid(struct l2cap_chan *chan, __u16 scid); + +struct l2cap_chan *l2cap_chan_create(void); +void l2cap_chan_close(struct l2cap_chan *chan, int reason); +int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid, + bdaddr_t *dst, u8 dst_type); +int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len); +void l2cap_chan_busy(struct l2cap_chan *chan, int busy); +int l2cap_chan_check_security(struct l2cap_chan *chan, bool initiator); +void l2cap_chan_set_defaults(struct l2cap_chan *chan); +int l2cap_ertm_init(struct l2cap_chan *chan); +void l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan); +void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan); +void l2cap_chan_del(struct l2cap_chan *chan, int err); +void l2cap_send_conn_req(struct l2cap_chan *chan); +void l2cap_move_start(struct l2cap_chan *chan); +void l2cap_logical_cfm(struct l2cap_chan *chan, struct hci_chan *hchan, + u8 status); +void __l2cap_physical_cfm(struct l2cap_chan *chan, int result); + +struct l2cap_conn *l2cap_conn_get(struct l2cap_conn *conn); +void l2cap_conn_put(struct l2cap_conn *conn); + +int l2cap_register_user(struct l2cap_conn *conn, struct l2cap_user *user); +void l2cap_unregister_user(struct l2cap_conn *conn, struct l2cap_user *user); + +#endif /* __L2CAP_H */ diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h new file mode 100644 index 0000000..e7303ee --- /dev/null +++ b/include/net/bluetooth/mgmt.h @@ -0,0 +1,826 @@ +/* + BlueZ - Bluetooth protocol stack for Linux + + Copyright (C) 2010 Nokia Corporation + Copyright (C) 2011-2012 Intel Corporation + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License version 2 as + published by the Free Software Foundation; + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. + IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY + CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + + ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, + COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS + SOFTWARE IS DISCLAIMED. +*/ + +#define MGMT_INDEX_NONE 0xFFFF + +#define MGMT_STATUS_SUCCESS 0x00 +#define MGMT_STATUS_UNKNOWN_COMMAND 0x01 +#define MGMT_STATUS_NOT_CONNECTED 0x02 +#define MGMT_STATUS_FAILED 0x03 +#define MGMT_STATUS_CONNECT_FAILED 0x04 +#define MGMT_STATUS_AUTH_FAILED 0x05 +#define MGMT_STATUS_NOT_PAIRED 0x06 +#define MGMT_STATUS_NO_RESOURCES 0x07 +#define MGMT_STATUS_TIMEOUT 0x08 +#define MGMT_STATUS_ALREADY_CONNECTED 0x09 +#define MGMT_STATUS_BUSY 0x0a +#define MGMT_STATUS_REJECTED 0x0b +#define MGMT_STATUS_NOT_SUPPORTED 0x0c +#define MGMT_STATUS_INVALID_PARAMS 0x0d +#define MGMT_STATUS_DISCONNECTED 0x0e +#define MGMT_STATUS_NOT_POWERED 0x0f +#define MGMT_STATUS_CANCELLED 0x10 +#define MGMT_STATUS_INVALID_INDEX 0x11 +#define MGMT_STATUS_RFKILLED 0x12 +#define MGMT_STATUS_ALREADY_PAIRED 0x13 +#define MGMT_STATUS_PERMISSION_DENIED 0x14 + +struct mgmt_hdr { + __le16 opcode; + __le16 index; + __le16 len; +} __packed; + +struct mgmt_addr_info { + bdaddr_t bdaddr; + __u8 type; +} __packed; +#define MGMT_ADDR_INFO_SIZE 7 + +#define MGMT_OP_READ_VERSION 0x0001 +#define MGMT_READ_VERSION_SIZE 0 +struct mgmt_rp_read_version { + __u8 version; + __le16 revision; +} __packed; + +#define MGMT_OP_READ_COMMANDS 0x0002 +#define MGMT_READ_COMMANDS_SIZE 0 +struct mgmt_rp_read_commands { + __le16 num_commands; + __le16 num_events; + __le16 opcodes[0]; +} __packed; + +#define MGMT_OP_READ_INDEX_LIST 0x0003 +#define MGMT_READ_INDEX_LIST_SIZE 0 +struct mgmt_rp_read_index_list { + __le16 num_controllers; + __le16 index[0]; +} __packed; + +/* Reserve one extra byte for names in management messages so that they + * are always guaranteed to be nul-terminated */ +#define MGMT_MAX_NAME_LENGTH (HCI_MAX_NAME_LENGTH + 1) +#define MGMT_MAX_SHORT_NAME_LENGTH (HCI_MAX_SHORT_NAME_LENGTH + 1) + +#define MGMT_SETTING_POWERED 0x00000001 +#define MGMT_SETTING_CONNECTABLE 0x00000002 +#define MGMT_SETTING_FAST_CONNECTABLE 0x00000004 +#define MGMT_SETTING_DISCOVERABLE 0x00000008 +#define MGMT_SETTING_BONDABLE 0x00000010 +#define MGMT_SETTING_LINK_SECURITY 0x00000020 +#define MGMT_SETTING_SSP 0x00000040 +#define MGMT_SETTING_BREDR 0x00000080 +#define MGMT_SETTING_HS 0x00000100 +#define MGMT_SETTING_LE 0x00000200 +#define MGMT_SETTING_ADVERTISING 0x00000400 +#define MGMT_SETTING_SECURE_CONN 0x00000800 +#define MGMT_SETTING_DEBUG_KEYS 0x00001000 +#define MGMT_SETTING_PRIVACY 0x00002000 +#define MGMT_SETTING_CONFIGURATION 0x00004000 +#define MGMT_SETTING_STATIC_ADDRESS 0x00008000 + +#define MGMT_OP_READ_INFO 0x0004 +#define MGMT_READ_INFO_SIZE 0 +struct mgmt_rp_read_info { + bdaddr_t bdaddr; + __u8 version; + __le16 manufacturer; + __le32 supported_settings; + __le32 current_settings; + __u8 dev_class[3]; + __u8 name[MGMT_MAX_NAME_LENGTH]; + __u8 short_name[MGMT_MAX_SHORT_NAME_LENGTH]; +} __packed; + +struct mgmt_mode { + __u8 val; +} __packed; + +#define MGMT_SETTING_SIZE 1 + +#define MGMT_OP_SET_POWERED 0x0005 + +#define MGMT_OP_SET_DISCOVERABLE 0x0006 +struct mgmt_cp_set_discoverable { + __u8 val; + __le16 timeout; +} __packed; +#define MGMT_SET_DISCOVERABLE_SIZE 3 + +#define MGMT_OP_SET_CONNECTABLE 0x0007 + +#define MGMT_OP_SET_FAST_CONNECTABLE 0x0008 + +#define MGMT_OP_SET_BONDABLE 0x0009 + +#define MGMT_OP_SET_LINK_SECURITY 0x000A + +#define MGMT_OP_SET_SSP 0x000B + +#define MGMT_OP_SET_HS 0x000C + +#define MGMT_OP_SET_LE 0x000D +#define MGMT_OP_SET_DEV_CLASS 0x000E +struct mgmt_cp_set_dev_class { + __u8 major; + __u8 minor; +} __packed; +#define MGMT_SET_DEV_CLASS_SIZE 2 + +#define MGMT_OP_SET_LOCAL_NAME 0x000F +struct mgmt_cp_set_local_name { + __u8 name[MGMT_MAX_NAME_LENGTH]; + __u8 short_name[MGMT_MAX_SHORT_NAME_LENGTH]; +} __packed; +#define MGMT_SET_LOCAL_NAME_SIZE 260 + +#define MGMT_OP_ADD_UUID 0x0010 +struct mgmt_cp_add_uuid { + __u8 uuid[16]; + __u8 svc_hint; +} __packed; +#define MGMT_ADD_UUID_SIZE 17 + +#define MGMT_OP_REMOVE_UUID 0x0011 +struct mgmt_cp_remove_uuid { + __u8 uuid[16]; +} __packed; +#define MGMT_REMOVE_UUID_SIZE 16 + +struct mgmt_link_key_info { + struct mgmt_addr_info addr; + __u8 type; + __u8 val[16]; + __u8 pin_len; +} __packed; + +#define MGMT_OP_LOAD_LINK_KEYS 0x0012 +struct mgmt_cp_load_link_keys { + __u8 debug_keys; + __le16 key_count; + struct mgmt_link_key_info keys[0]; +} __packed; +#define MGMT_LOAD_LINK_KEYS_SIZE 3 + +#define MGMT_LTK_UNAUTHENTICATED 0x00 +#define MGMT_LTK_AUTHENTICATED 0x01 +#define MGMT_LTK_P256_UNAUTH 0x02 +#define MGMT_LTK_P256_AUTH 0x03 +#define MGMT_LTK_P256_DEBUG 0x04 + +struct mgmt_ltk_info { + struct mgmt_addr_info addr; + __u8 type; + __u8 master; + __u8 enc_size; + __le16 ediv; + __le64 rand; + __u8 val[16]; +} __packed; + +#define MGMT_OP_LOAD_LONG_TERM_KEYS 0x0013 +struct mgmt_cp_load_long_term_keys { + __le16 key_count; + struct mgmt_ltk_info keys[0]; +} __packed; +#define MGMT_LOAD_LONG_TERM_KEYS_SIZE 2 + +#define MGMT_OP_DISCONNECT 0x0014 +struct mgmt_cp_disconnect { + struct mgmt_addr_info addr; +} __packed; +#define MGMT_DISCONNECT_SIZE MGMT_ADDR_INFO_SIZE +struct mgmt_rp_disconnect { + struct mgmt_addr_info addr; +} __packed; + +#define MGMT_OP_GET_CONNECTIONS 0x0015 +#define MGMT_GET_CONNECTIONS_SIZE 0 +struct mgmt_rp_get_connections { + __le16 conn_count; + struct mgmt_addr_info addr[0]; +} __packed; + +#define MGMT_OP_PIN_CODE_REPLY 0x0016 +struct mgmt_cp_pin_code_reply { + struct mgmt_addr_info addr; + __u8 pin_len; + __u8 pin_code[16]; +} __packed; +#define MGMT_PIN_CODE_REPLY_SIZE (MGMT_ADDR_INFO_SIZE + 17) +struct mgmt_rp_pin_code_reply { + struct mgmt_addr_info addr; +} __packed; + +#define MGMT_OP_PIN_CODE_NEG_REPLY 0x0017 +struct mgmt_cp_pin_code_neg_reply { + struct mgmt_addr_info addr; +} __packed; +#define MGMT_PIN_CODE_NEG_REPLY_SIZE MGMT_ADDR_INFO_SIZE + +#define MGMT_OP_SET_IO_CAPABILITY 0x0018 +struct mgmt_cp_set_io_capability { + __u8 io_capability; +} __packed; +#define MGMT_SET_IO_CAPABILITY_SIZE 1 + +#define MGMT_OP_PAIR_DEVICE 0x0019 +struct mgmt_cp_pair_device { + struct mgmt_addr_info addr; + __u8 io_cap; +} __packed; +#define MGMT_PAIR_DEVICE_SIZE (MGMT_ADDR_INFO_SIZE + 1) +struct mgmt_rp_pair_device { + struct mgmt_addr_info addr; +} __packed; + +#define MGMT_OP_CANCEL_PAIR_DEVICE 0x001A +#define MGMT_CANCEL_PAIR_DEVICE_SIZE MGMT_ADDR_INFO_SIZE + +#define MGMT_OP_UNPAIR_DEVICE 0x001B +struct mgmt_cp_unpair_device { + struct mgmt_addr_info addr; + __u8 disconnect; +} __packed; +#define MGMT_UNPAIR_DEVICE_SIZE (MGMT_ADDR_INFO_SIZE + 1) +struct mgmt_rp_unpair_device { + struct mgmt_addr_info addr; +}; + +#define MGMT_OP_USER_CONFIRM_REPLY 0x001C +struct mgmt_cp_user_confirm_reply { + struct mgmt_addr_info addr; +} __packed; +#define MGMT_USER_CONFIRM_REPLY_SIZE MGMT_ADDR_INFO_SIZE +struct mgmt_rp_user_confirm_reply { + struct mgmt_addr_info addr; +} __packed; + +#define MGMT_OP_USER_CONFIRM_NEG_REPLY 0x001D +struct mgmt_cp_user_confirm_neg_reply { + struct mgmt_addr_info addr; +} __packed; +#define MGMT_USER_CONFIRM_NEG_REPLY_SIZE MGMT_ADDR_INFO_SIZE + +#define MGMT_OP_USER_PASSKEY_REPLY 0x001E +struct mgmt_cp_user_passkey_reply { + struct mgmt_addr_info addr; + __le32 passkey; +} __packed; +#define MGMT_USER_PASSKEY_REPLY_SIZE (MGMT_ADDR_INFO_SIZE + 4) +struct mgmt_rp_user_passkey_reply { + struct mgmt_addr_info addr; +} __packed; + +#define MGMT_OP_USER_PASSKEY_NEG_REPLY 0x001F +struct mgmt_cp_user_passkey_neg_reply { + struct mgmt_addr_info addr; +} __packed; +#define MGMT_USER_PASSKEY_NEG_REPLY_SIZE MGMT_ADDR_INFO_SIZE + +#define MGMT_OP_READ_LOCAL_OOB_DATA 0x0020 +#define MGMT_READ_LOCAL_OOB_DATA_SIZE 0 +struct mgmt_rp_read_local_oob_data { + __u8 hash192[16]; + __u8 rand192[16]; + __u8 hash256[16]; + __u8 rand256[16]; +} __packed; + +#define MGMT_OP_ADD_REMOTE_OOB_DATA 0x0021 +struct mgmt_cp_add_remote_oob_data { + struct mgmt_addr_info addr; + __u8 hash[16]; + __u8 rand[16]; +} __packed; +#define MGMT_ADD_REMOTE_OOB_DATA_SIZE (MGMT_ADDR_INFO_SIZE + 32) +struct mgmt_cp_add_remote_oob_ext_data { + struct mgmt_addr_info addr; + __u8 hash192[16]; + __u8 rand192[16]; + __u8 hash256[16]; + __u8 rand256[16]; +} __packed; +#define MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE (MGMT_ADDR_INFO_SIZE + 64) + +#define MGMT_OP_REMOVE_REMOTE_OOB_DATA 0x0022 +struct mgmt_cp_remove_remote_oob_data { + struct mgmt_addr_info addr; +} __packed; +#define MGMT_REMOVE_REMOTE_OOB_DATA_SIZE MGMT_ADDR_INFO_SIZE + +#define MGMT_OP_START_DISCOVERY 0x0023 +struct mgmt_cp_start_discovery { + __u8 type; +} __packed; +#define MGMT_START_DISCOVERY_SIZE 1 + +#define MGMT_OP_STOP_DISCOVERY 0x0024 +struct mgmt_cp_stop_discovery { + __u8 type; +} __packed; +#define MGMT_STOP_DISCOVERY_SIZE 1 + +#define MGMT_OP_CONFIRM_NAME 0x0025 +struct mgmt_cp_confirm_name { + struct mgmt_addr_info addr; + __u8 name_known; +} __packed; +#define MGMT_CONFIRM_NAME_SIZE (MGMT_ADDR_INFO_SIZE + 1) +struct mgmt_rp_confirm_name { + struct mgmt_addr_info addr; +} __packed; + +#define MGMT_OP_BLOCK_DEVICE 0x0026 +struct mgmt_cp_block_device { + struct mgmt_addr_info addr; +} __packed; +#define MGMT_BLOCK_DEVICE_SIZE MGMT_ADDR_INFO_SIZE + +#define MGMT_OP_UNBLOCK_DEVICE 0x0027 +struct mgmt_cp_unblock_device { + struct mgmt_addr_info addr; +} __packed; +#define MGMT_UNBLOCK_DEVICE_SIZE MGMT_ADDR_INFO_SIZE + +#define MGMT_OP_SET_DEVICE_ID 0x0028 +struct mgmt_cp_set_device_id { + __le16 source; + __le16 vendor; + __le16 product; + __le16 version; +} __packed; +#define MGMT_SET_DEVICE_ID_SIZE 8 + +#define MGMT_OP_SET_ADVERTISING 0x0029 + +#define MGMT_OP_SET_BREDR 0x002A + +#define MGMT_OP_SET_STATIC_ADDRESS 0x002B +struct mgmt_cp_set_static_address { + bdaddr_t bdaddr; +} __packed; +#define MGMT_SET_STATIC_ADDRESS_SIZE 6 + +#define MGMT_OP_SET_SCAN_PARAMS 0x002C +struct mgmt_cp_set_scan_params { + __le16 interval; + __le16 window; +} __packed; +#define MGMT_SET_SCAN_PARAMS_SIZE 4 + +#define MGMT_OP_SET_SECURE_CONN 0x002D + +#define MGMT_OP_SET_DEBUG_KEYS 0x002E + +#define MGMT_OP_SET_PRIVACY 0x002F +struct mgmt_cp_set_privacy { + __u8 privacy; + __u8 irk[16]; +} __packed; +#define MGMT_SET_PRIVACY_SIZE 17 + +struct mgmt_irk_info { + struct mgmt_addr_info addr; + __u8 val[16]; +} __packed; + +#define MGMT_OP_LOAD_IRKS 0x0030 +struct mgmt_cp_load_irks { + __le16 irk_count; + struct mgmt_irk_info irks[0]; +} __packed; +#define MGMT_LOAD_IRKS_SIZE 2 + +#define MGMT_OP_GET_CONN_INFO 0x0031 +struct mgmt_cp_get_conn_info { + struct mgmt_addr_info addr; +} __packed; +#define MGMT_GET_CONN_INFO_SIZE MGMT_ADDR_INFO_SIZE +struct mgmt_rp_get_conn_info { + struct mgmt_addr_info addr; + __s8 rssi; + __s8 tx_power; + __s8 max_tx_power; +} __packed; + +#define MGMT_OP_GET_CLOCK_INFO 0x0032 +struct mgmt_cp_get_clock_info { + struct mgmt_addr_info addr; +} __packed; +#define MGMT_GET_CLOCK_INFO_SIZE MGMT_ADDR_INFO_SIZE +struct mgmt_rp_get_clock_info { + struct mgmt_addr_info addr; + __le32 local_clock; + __le32 piconet_clock; + __le16 accuracy; +} __packed; + +#define MGMT_OP_ADD_DEVICE 0x0033 +struct mgmt_cp_add_device { + struct mgmt_addr_info addr; + __u8 action; +} __packed; +#define MGMT_ADD_DEVICE_SIZE (MGMT_ADDR_INFO_SIZE + 1) + +#define MGMT_OP_REMOVE_DEVICE 0x0034 +struct mgmt_cp_remove_device { + struct mgmt_addr_info addr; +} __packed; +#define MGMT_REMOVE_DEVICE_SIZE MGMT_ADDR_INFO_SIZE + +struct mgmt_conn_param { + struct mgmt_addr_info addr; + __le16 min_interval; + __le16 max_interval; + __le16 latency; + __le16 timeout; +} __packed; + +#define MGMT_OP_LOAD_CONN_PARAM 0x0035 +struct mgmt_cp_load_conn_param { + __le16 param_count; + struct mgmt_conn_param params[0]; +} __packed; +#define MGMT_LOAD_CONN_PARAM_SIZE 2 + +#define MGMT_OP_READ_UNCONF_INDEX_LIST 0x0036 +#define MGMT_READ_UNCONF_INDEX_LIST_SIZE 0 +struct mgmt_rp_read_unconf_index_list { + __le16 num_controllers; + __le16 index[0]; +} __packed; + +#define MGMT_OPTION_EXTERNAL_CONFIG 0x00000001 +#define MGMT_OPTION_PUBLIC_ADDRESS 0x00000002 + +#define MGMT_OP_READ_CONFIG_INFO 0x0037 +#define MGMT_READ_CONFIG_INFO_SIZE 0 +struct mgmt_rp_read_config_info { + __le16 manufacturer; + __le32 supported_options; + __le32 missing_options; +} __packed; + +#define MGMT_OP_SET_EXTERNAL_CONFIG 0x0038 +struct mgmt_cp_set_external_config { + __u8 config; +} __packed; +#define MGMT_SET_EXTERNAL_CONFIG_SIZE 1 + +#define MGMT_OP_SET_PUBLIC_ADDRESS 0x0039 +struct mgmt_cp_set_public_address { + bdaddr_t bdaddr; +} __packed; +#define MGMT_SET_PUBLIC_ADDRESS_SIZE 6 + +#define MGMT_OP_START_SERVICE_DISCOVERY 0x003A +struct mgmt_cp_start_service_discovery { + __u8 type; + __s8 rssi; + __le16 uuid_count; + __u8 uuids[0][16]; +} __packed; +#define MGMT_START_SERVICE_DISCOVERY_SIZE 4 + +#define MGMT_OP_READ_LOCAL_OOB_EXT_DATA 0x003B +struct mgmt_cp_read_local_oob_ext_data { + __u8 type; +} __packed; +#define MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE 1 +struct mgmt_rp_read_local_oob_ext_data { + __u8 type; + __le16 eir_len; + __u8 eir[0]; +} __packed; + +#define MGMT_OP_READ_EXT_INDEX_LIST 0x003C +#define MGMT_READ_EXT_INDEX_LIST_SIZE 0 +struct mgmt_rp_read_ext_index_list { + __le16 num_controllers; + struct { + __le16 index; + __u8 type; + __u8 bus; + } entry[0]; +} __packed; + +#define MGMT_OP_READ_ADV_FEATURES 0x0003D +#define MGMT_READ_ADV_FEATURES_SIZE 0 +struct mgmt_rp_read_adv_features { + __le32 supported_flags; + __u8 max_adv_data_len; + __u8 max_scan_rsp_len; + __u8 max_instances; + __u8 num_instances; + __u8 instance[0]; +} __packed; + +#define MGMT_OP_ADD_ADVERTISING 0x003E +struct mgmt_cp_add_advertising { + __u8 instance; + __le32 flags; + __le16 duration; + __le16 timeout; + __u8 adv_data_len; + __u8 scan_rsp_len; + __u8 data[0]; +} __packed; +#define MGMT_ADD_ADVERTISING_SIZE 11 +struct mgmt_rp_add_advertising { + __u8 instance; +} __packed; + +#define MGMT_ADV_FLAG_CONNECTABLE BIT(0) +#define MGMT_ADV_FLAG_DISCOV BIT(1) +#define MGMT_ADV_FLAG_LIMITED_DISCOV BIT(2) +#define MGMT_ADV_FLAG_MANAGED_FLAGS BIT(3) +#define MGMT_ADV_FLAG_TX_POWER BIT(4) +#define MGMT_ADV_FLAG_APPEARANCE BIT(5) +#define MGMT_ADV_FLAG_LOCAL_NAME BIT(6) + +#define MGMT_OP_REMOVE_ADVERTISING 0x003F +struct mgmt_cp_remove_advertising { + __u8 instance; +} __packed; +#define MGMT_REMOVE_ADVERTISING_SIZE 1 +struct mgmt_rp_remove_advertising { + __u8 instance; +} __packed; + +#define MGMT_OP_GET_ADV_SIZE_INFO 0x0040 +struct mgmt_cp_get_adv_size_info { + __u8 instance; + __le32 flags; +} __packed; +#define MGMT_GET_ADV_SIZE_INFO_SIZE 5 +struct mgmt_rp_get_adv_size_info { + __u8 instance; + __le32 flags; + __u8 max_adv_data_len; + __u8 max_scan_rsp_len; +} __packed; + +#define MGMT_OP_START_LIMITED_DISCOVERY 0x0041 + +#define MGMT_OP_READ_EXT_INFO 0x0042 +#define MGMT_READ_EXT_INFO_SIZE 0 +struct mgmt_rp_read_ext_info { + bdaddr_t bdaddr; + __u8 version; + __le16 manufacturer; + __le32 supported_settings; + __le32 current_settings; + __le16 eir_len; + __u8 eir[0]; +} __packed; + +#define MGMT_OP_SET_APPEARANCE 0x0043 +struct mgmt_cp_set_appearance { + __le16 appearance; +} __packed; +#define MGMT_SET_APPEARANCE_SIZE 2 + +#define MGMT_EV_CMD_COMPLETE 0x0001 +struct mgmt_ev_cmd_complete { + __le16 opcode; + __u8 status; + __u8 data[0]; +} __packed; + +#define MGMT_EV_CMD_STATUS 0x0002 +struct mgmt_ev_cmd_status { + __le16 opcode; + __u8 status; +} __packed; + +#define MGMT_EV_CONTROLLER_ERROR 0x0003 +struct mgmt_ev_controller_error { + __u8 error_code; +} __packed; + +#define MGMT_EV_INDEX_ADDED 0x0004 + +#define MGMT_EV_INDEX_REMOVED 0x0005 + +#define MGMT_EV_NEW_SETTINGS 0x0006 + +#define MGMT_EV_CLASS_OF_DEV_CHANGED 0x0007 +struct mgmt_ev_class_of_dev_changed { + __u8 dev_class[3]; +}; + +#define MGMT_EV_LOCAL_NAME_CHANGED 0x0008 +struct mgmt_ev_local_name_changed { + __u8 name[MGMT_MAX_NAME_LENGTH]; + __u8 short_name[MGMT_MAX_SHORT_NAME_LENGTH]; +} __packed; + +#define MGMT_EV_NEW_LINK_KEY 0x0009 +struct mgmt_ev_new_link_key { + __u8 store_hint; + struct mgmt_link_key_info key; +} __packed; + +#define MGMT_EV_NEW_LONG_TERM_KEY 0x000A +struct mgmt_ev_new_long_term_key { + __u8 store_hint; + struct mgmt_ltk_info key; +} __packed; + +#define MGMT_EV_DEVICE_CONNECTED 0x000B +struct mgmt_ev_device_connected { + struct mgmt_addr_info addr; + __le32 flags; + __le16 eir_len; + __u8 eir[0]; +} __packed; + +#define MGMT_DEV_DISCONN_UNKNOWN 0x00 +#define MGMT_DEV_DISCONN_TIMEOUT 0x01 +#define MGMT_DEV_DISCONN_LOCAL_HOST 0x02 +#define MGMT_DEV_DISCONN_REMOTE 0x03 +#define MGMT_DEV_DISCONN_AUTH_FAILURE 0x04 + +#define MGMT_EV_DEVICE_DISCONNECTED 0x000C +struct mgmt_ev_device_disconnected { + struct mgmt_addr_info addr; + __u8 reason; +} __packed; + +#define MGMT_EV_CONNECT_FAILED 0x000D +struct mgmt_ev_connect_failed { + struct mgmt_addr_info addr; + __u8 status; +} __packed; + +#define MGMT_EV_PIN_CODE_REQUEST 0x000E +struct mgmt_ev_pin_code_request { + struct mgmt_addr_info addr; + __u8 secure; +} __packed; + +#define MGMT_EV_USER_CONFIRM_REQUEST 0x000F +struct mgmt_ev_user_confirm_request { + struct mgmt_addr_info addr; + __u8 confirm_hint; + __le32 value; +} __packed; + +#define MGMT_EV_USER_PASSKEY_REQUEST 0x0010 +struct mgmt_ev_user_passkey_request { + struct mgmt_addr_info addr; +} __packed; + +#define MGMT_EV_AUTH_FAILED 0x0011 +struct mgmt_ev_auth_failed { + struct mgmt_addr_info addr; + __u8 status; +} __packed; + +#define MGMT_DEV_FOUND_CONFIRM_NAME 0x01 +#define MGMT_DEV_FOUND_LEGACY_PAIRING 0x02 +#define MGMT_DEV_FOUND_NOT_CONNECTABLE 0x04 + +#define MGMT_EV_DEVICE_FOUND 0x0012 +struct mgmt_ev_device_found { + struct mgmt_addr_info addr; + __s8 rssi; + __le32 flags; + __le16 eir_len; + __u8 eir[0]; +} __packed; + +#define MGMT_EV_DISCOVERING 0x0013 +struct mgmt_ev_discovering { + __u8 type; + __u8 discovering; +} __packed; + +#define MGMT_EV_DEVICE_BLOCKED 0x0014 +struct mgmt_ev_device_blocked { + struct mgmt_addr_info addr; +} __packed; + +#define MGMT_EV_DEVICE_UNBLOCKED 0x0015 +struct mgmt_ev_device_unblocked { + struct mgmt_addr_info addr; +} __packed; + +#define MGMT_EV_DEVICE_UNPAIRED 0x0016 +struct mgmt_ev_device_unpaired { + struct mgmt_addr_info addr; +} __packed; + +#define MGMT_EV_PASSKEY_NOTIFY 0x0017 +struct mgmt_ev_passkey_notify { + struct mgmt_addr_info addr; + __le32 passkey; + __u8 entered; +} __packed; + +#define MGMT_EV_NEW_IRK 0x0018 +struct mgmt_ev_new_irk { + __u8 store_hint; + bdaddr_t rpa; + struct mgmt_irk_info irk; +} __packed; + +#define MGMT_CSRK_LOCAL_UNAUTHENTICATED 0x00 +#define MGMT_CSRK_REMOTE_UNAUTHENTICATED 0x01 +#define MGMT_CSRK_LOCAL_AUTHENTICATED 0x02 +#define MGMT_CSRK_REMOTE_AUTHENTICATED 0x03 + +struct mgmt_csrk_info { + struct mgmt_addr_info addr; + __u8 type; + __u8 val[16]; +} __packed; + +#define MGMT_EV_NEW_CSRK 0x0019 +struct mgmt_ev_new_csrk { + __u8 store_hint; + struct mgmt_csrk_info key; +} __packed; + +#define MGMT_EV_DEVICE_ADDED 0x001a +struct mgmt_ev_device_added { + struct mgmt_addr_info addr; + __u8 action; +} __packed; + +#define MGMT_EV_DEVICE_REMOVED 0x001b +struct mgmt_ev_device_removed { + struct mgmt_addr_info addr; +} __packed; + +#define MGMT_EV_NEW_CONN_PARAM 0x001c +struct mgmt_ev_new_conn_param { + struct mgmt_addr_info addr; + __u8 store_hint; + __le16 min_interval; + __le16 max_interval; + __le16 latency; + __le16 timeout; +} __packed; + +#define MGMT_EV_UNCONF_INDEX_ADDED 0x001d + +#define MGMT_EV_UNCONF_INDEX_REMOVED 0x001e + +#define MGMT_EV_NEW_CONFIG_OPTIONS 0x001f + +struct mgmt_ev_ext_index { + __u8 type; + __u8 bus; +} __packed; + +#define MGMT_EV_EXT_INDEX_ADDED 0x0020 + +#define MGMT_EV_EXT_INDEX_REMOVED 0x0021 + +#define MGMT_EV_LOCAL_OOB_DATA_UPDATED 0x0022 +struct mgmt_ev_local_oob_data_updated { + __u8 type; + __le16 eir_len; + __u8 eir[0]; +} __packed; + +#define MGMT_EV_ADVERTISING_ADDED 0x0023 +struct mgmt_ev_advertising_added { + __u8 instance; +} __packed; + +#define MGMT_EV_ADVERTISING_REMOVED 0x0024 +struct mgmt_ev_advertising_removed { + __u8 instance; +} __packed; + +#define MGMT_EV_EXT_INFO_CHANGED 0x0025 +struct mgmt_ev_ext_info_changed { + __le16 eir_len; + __u8 eir[0]; +} __packed; diff --git a/include/net/bluetooth/rfcomm.h b/include/net/bluetooth/rfcomm.h new file mode 100644 index 0000000..da4acef --- /dev/null +++ b/include/net/bluetooth/rfcomm.h @@ -0,0 +1,376 @@ +/* + RFCOMM implementation for Linux Bluetooth stack (BlueZ) + Copyright (C) 2002 Maxim Krasnyansky + Copyright (C) 2002 Marcel Holtmann + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License version 2 as + published by the Free Software Foundation; + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. + IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY + CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + + ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, + COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS + SOFTWARE IS DISCLAIMED. +*/ + +#include + +#ifndef __RFCOMM_H +#define __RFCOMM_H + +#define RFCOMM_CONN_TIMEOUT (HZ * 30) +#define RFCOMM_DISC_TIMEOUT (HZ * 20) +#define RFCOMM_AUTH_TIMEOUT (HZ * 25) +#define RFCOMM_IDLE_TIMEOUT (HZ * 2) + +#define RFCOMM_DEFAULT_MTU 127 +#define RFCOMM_DEFAULT_CREDITS 7 + +#define RFCOMM_MAX_L2CAP_MTU 1013 +#define RFCOMM_MAX_CREDITS 40 + +#define RFCOMM_SKB_HEAD_RESERVE 8 +#define RFCOMM_SKB_TAIL_RESERVE 2 +#define RFCOMM_SKB_RESERVE (RFCOMM_SKB_HEAD_RESERVE + RFCOMM_SKB_TAIL_RESERVE) + +#define RFCOMM_SABM 0x2f +#define RFCOMM_DISC 0x43 +#define RFCOMM_UA 0x63 +#define RFCOMM_DM 0x0f +#define RFCOMM_UIH 0xef + +#define RFCOMM_TEST 0x08 +#define RFCOMM_FCON 0x28 +#define RFCOMM_FCOFF 0x18 +#define RFCOMM_MSC 0x38 +#define RFCOMM_RPN 0x24 +#define RFCOMM_RLS 0x14 +#define RFCOMM_PN 0x20 +#define RFCOMM_NSC 0x04 + +#define RFCOMM_V24_FC 0x02 +#define RFCOMM_V24_RTC 0x04 +#define RFCOMM_V24_RTR 0x08 +#define RFCOMM_V24_IC 0x40 +#define RFCOMM_V24_DV 0x80 + +#define RFCOMM_RPN_BR_2400 0x0 +#define RFCOMM_RPN_BR_4800 0x1 +#define RFCOMM_RPN_BR_7200 0x2 +#define RFCOMM_RPN_BR_9600 0x3 +#define RFCOMM_RPN_BR_19200 0x4 +#define RFCOMM_RPN_BR_38400 0x5 +#define RFCOMM_RPN_BR_57600 0x6 +#define RFCOMM_RPN_BR_115200 0x7 +#define RFCOMM_RPN_BR_230400 0x8 + +#define RFCOMM_RPN_DATA_5 0x0 +#define RFCOMM_RPN_DATA_6 0x1 +#define RFCOMM_RPN_DATA_7 0x2 +#define RFCOMM_RPN_DATA_8 0x3 + +#define RFCOMM_RPN_STOP_1 0 +#define RFCOMM_RPN_STOP_15 1 + +#define RFCOMM_RPN_PARITY_NONE 0x0 +#define RFCOMM_RPN_PARITY_ODD 0x1 +#define RFCOMM_RPN_PARITY_EVEN 0x3 +#define RFCOMM_RPN_PARITY_MARK 0x5 +#define RFCOMM_RPN_PARITY_SPACE 0x7 + +#define RFCOMM_RPN_FLOW_NONE 0x00 + +#define RFCOMM_RPN_XON_CHAR 0x11 +#define RFCOMM_RPN_XOFF_CHAR 0x13 + +#define RFCOMM_RPN_PM_BITRATE 0x0001 +#define RFCOMM_RPN_PM_DATA 0x0002 +#define RFCOMM_RPN_PM_STOP 0x0004 +#define RFCOMM_RPN_PM_PARITY 0x0008 +#define RFCOMM_RPN_PM_PARITY_TYPE 0x0010 +#define RFCOMM_RPN_PM_XON 0x0020 +#define RFCOMM_RPN_PM_XOFF 0x0040 +#define RFCOMM_RPN_PM_FLOW 0x3F00 + +#define RFCOMM_RPN_PM_ALL 0x3F7F + +struct rfcomm_hdr { + u8 addr; + u8 ctrl; + u8 len; /* Actual size can be 2 bytes */ +} __packed; + +struct rfcomm_cmd { + u8 addr; + u8 ctrl; + u8 len; + u8 fcs; +} __packed; + +struct rfcomm_mcc { + u8 type; + u8 len; +} __packed; + +struct rfcomm_pn { + u8 dlci; + u8 flow_ctrl; + u8 priority; + u8 ack_timer; + __le16 mtu; + u8 max_retrans; + u8 credits; +} __packed; + +struct rfcomm_rpn { + u8 dlci; + u8 bit_rate; + u8 line_settings; + u8 flow_ctrl; + u8 xon_char; + u8 xoff_char; + __le16 param_mask; +} __packed; + +struct rfcomm_rls { + u8 dlci; + u8 status; +} __packed; + +struct rfcomm_msc { + u8 dlci; + u8 v24_sig; +} __packed; + +/* ---- Core structures, flags etc ---- */ + +struct rfcomm_session { + struct list_head list; + struct socket *sock; + struct timer_list timer; + unsigned long state; + unsigned long flags; + int initiator; + + /* Default DLC parameters */ + int cfc; + uint mtu; + + struct list_head dlcs; +}; + +struct rfcomm_dlc { + struct list_head list; + struct rfcomm_session *session; + struct sk_buff_head tx_queue; + struct timer_list timer; + + struct mutex lock; + unsigned long state; + unsigned long flags; + refcount_t refcnt; + u8 dlci; + u8 addr; + u8 priority; + u8 v24_sig; + u8 remote_v24_sig; + u8 mscex; + u8 out; + u8 sec_level; + u8 role_switch; + u32 defer_setup; + + uint mtu; + uint cfc; + uint rx_credits; + uint tx_credits; + + void *owner; + + void (*data_ready)(struct rfcomm_dlc *d, struct sk_buff *skb); + void (*state_change)(struct rfcomm_dlc *d, int err); + void (*modem_status)(struct rfcomm_dlc *d, u8 v24_sig); +}; + +/* DLC and session flags */ +#define RFCOMM_RX_THROTTLED 0 +#define RFCOMM_TX_THROTTLED 1 +#define RFCOMM_TIMED_OUT 2 +#define RFCOMM_MSC_PENDING 3 +#define RFCOMM_SEC_PENDING 4 +#define RFCOMM_AUTH_PENDING 5 +#define RFCOMM_AUTH_ACCEPT 6 +#define RFCOMM_AUTH_REJECT 7 +#define RFCOMM_DEFER_SETUP 8 +#define RFCOMM_ENC_DROP 9 + +/* Scheduling flags and events */ +#define RFCOMM_SCHED_WAKEUP 31 + +/* MSC exchange flags */ +#define RFCOMM_MSCEX_TX 1 +#define RFCOMM_MSCEX_RX 2 +#define RFCOMM_MSCEX_OK (RFCOMM_MSCEX_TX + RFCOMM_MSCEX_RX) + +/* CFC states */ +#define RFCOMM_CFC_UNKNOWN -1 +#define RFCOMM_CFC_DISABLED 0 +#define RFCOMM_CFC_ENABLED RFCOMM_MAX_CREDITS + +/* ---- RFCOMM SEND RPN ---- */ +int rfcomm_send_rpn(struct rfcomm_session *s, int cr, u8 dlci, + u8 bit_rate, u8 data_bits, u8 stop_bits, + u8 parity, u8 flow_ctrl_settings, + u8 xon_char, u8 xoff_char, u16 param_mask); + +/* ---- RFCOMM DLCs (channels) ---- */ +struct rfcomm_dlc *rfcomm_dlc_alloc(gfp_t prio); +void rfcomm_dlc_free(struct rfcomm_dlc *d); +int rfcomm_dlc_open(struct rfcomm_dlc *d, bdaddr_t *src, bdaddr_t *dst, + u8 channel); +int rfcomm_dlc_close(struct rfcomm_dlc *d, int reason); +int rfcomm_dlc_send(struct rfcomm_dlc *d, struct sk_buff *skb); +void rfcomm_dlc_send_noerror(struct rfcomm_dlc *d, struct sk_buff *skb); +int rfcomm_dlc_set_modem_status(struct rfcomm_dlc *d, u8 v24_sig); +int rfcomm_dlc_get_modem_status(struct rfcomm_dlc *d, u8 *v24_sig); +void rfcomm_dlc_accept(struct rfcomm_dlc *d); +struct rfcomm_dlc *rfcomm_dlc_exists(bdaddr_t *src, bdaddr_t *dst, u8 channel); + +#define rfcomm_dlc_lock(d) mutex_lock(&d->lock) +#define rfcomm_dlc_unlock(d) mutex_unlock(&d->lock) + +static inline void rfcomm_dlc_hold(struct rfcomm_dlc *d) +{ + refcount_inc(&d->refcnt); +} + +static inline void rfcomm_dlc_put(struct rfcomm_dlc *d) +{ + if (refcount_dec_and_test(&d->refcnt)) + rfcomm_dlc_free(d); +} + +void __rfcomm_dlc_throttle(struct rfcomm_dlc *d); +void __rfcomm_dlc_unthrottle(struct rfcomm_dlc *d); + +static inline void rfcomm_dlc_throttle(struct rfcomm_dlc *d) +{ + if (!test_and_set_bit(RFCOMM_RX_THROTTLED, &d->flags)) + __rfcomm_dlc_throttle(d); +} + +static inline void rfcomm_dlc_unthrottle(struct rfcomm_dlc *d) +{ + if (test_and_clear_bit(RFCOMM_RX_THROTTLED, &d->flags)) + __rfcomm_dlc_unthrottle(d); +} + +/* ---- RFCOMM sessions ---- */ +void rfcomm_session_getaddr(struct rfcomm_session *s, bdaddr_t *src, + bdaddr_t *dst); + +/* ---- RFCOMM sockets ---- */ +struct sockaddr_rc { + sa_family_t rc_family; + bdaddr_t rc_bdaddr; + u8 rc_channel; +}; + +#define RFCOMM_CONNINFO 0x02 +struct rfcomm_conninfo { + __u16 hci_handle; + __u8 dev_class[3]; +}; + +#define RFCOMM_LM 0x03 +#define RFCOMM_LM_MASTER 0x0001 +#define RFCOMM_LM_AUTH 0x0002 +#define RFCOMM_LM_ENCRYPT 0x0004 +#define RFCOMM_LM_TRUSTED 0x0008 +#define RFCOMM_LM_RELIABLE 0x0010 +#define RFCOMM_LM_SECURE 0x0020 +#define RFCOMM_LM_FIPS 0x0040 + +#define rfcomm_pi(sk) ((struct rfcomm_pinfo *) sk) + +struct rfcomm_pinfo { + struct bt_sock bt; + bdaddr_t src; + bdaddr_t dst; + struct rfcomm_dlc *dlc; + u8 channel; + u8 sec_level; + u8 role_switch; +}; + +int rfcomm_init_sockets(void); +void rfcomm_cleanup_sockets(void); + +int rfcomm_connect_ind(struct rfcomm_session *s, u8 channel, + struct rfcomm_dlc **d); + +/* ---- RFCOMM TTY ---- */ +#define RFCOMM_MAX_DEV 256 + +#define RFCOMMCREATEDEV _IOW('R', 200, int) +#define RFCOMMRELEASEDEV _IOW('R', 201, int) +#define RFCOMMGETDEVLIST _IOR('R', 210, int) +#define RFCOMMGETDEVINFO _IOR('R', 211, int) +#define RFCOMMSTEALDLC _IOW('R', 220, int) + +/* rfcomm_dev.flags bit definitions */ +#define RFCOMM_REUSE_DLC 0 +#define RFCOMM_RELEASE_ONHUP 1 +#define RFCOMM_HANGUP_NOW 2 +#define RFCOMM_TTY_ATTACHED 3 +#define RFCOMM_DEFUNCT_BIT4 4 /* don't reuse this bit - userspace visible */ + +/* rfcomm_dev.status bit definitions */ +#define RFCOMM_DEV_RELEASED 0 +#define RFCOMM_TTY_OWNED 1 + +struct rfcomm_dev_req { + s16 dev_id; + u32 flags; + bdaddr_t src; + bdaddr_t dst; + u8 channel; +}; + +struct rfcomm_dev_info { + s16 id; + u32 flags; + u16 state; + bdaddr_t src; + bdaddr_t dst; + u8 channel; +}; + +struct rfcomm_dev_list_req { + u16 dev_num; + struct rfcomm_dev_info dev_info[0]; +}; + +int rfcomm_dev_ioctl(struct sock *sk, unsigned int cmd, void __user *arg); + +#ifdef CONFIG_BT_RFCOMM_TTY +int rfcomm_init_ttys(void); +void rfcomm_cleanup_ttys(void); +#else +static inline int rfcomm_init_ttys(void) +{ + return 0; +} +static inline void rfcomm_cleanup_ttys(void) +{ +} +#endif +#endif /* __RFCOMM_H */ diff --git a/include/net/bluetooth/sco.h b/include/net/bluetooth/sco.h new file mode 100644 index 0000000..f40ddb4 --- /dev/null +++ b/include/net/bluetooth/sco.h @@ -0,0 +1,49 @@ +/* + BlueZ - Bluetooth protocol stack for Linux + Copyright (C) 2000-2001 Qualcomm Incorporated + + Written 2000,2001 by Maxim Krasnyansky + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License version 2 as + published by the Free Software Foundation; + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. + IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY + CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + + ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, + COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS + SOFTWARE IS DISCLAIMED. +*/ + +#ifndef __SCO_H +#define __SCO_H + +/* SCO defaults */ +#define SCO_DEFAULT_MTU 500 + +/* SCO socket address */ +struct sockaddr_sco { + sa_family_t sco_family; + bdaddr_t sco_bdaddr; +}; + +/* SCO socket options */ +#define SCO_OPTIONS 0x01 +struct sco_options { + __u16 mtu; +}; + +#define SCO_CONNINFO 0x02 +struct sco_conninfo { + __u16 hci_handle; + __u8 dev_class[3]; +}; + +#endif /* __SCO_H */ diff --git a/local-symbols b/local-symbols index 8ded69e..c072a46 100644 --- a/local-symbols +++ b/local-symbols @@ -534,3 +534,4 @@ R8188EU= 88EU_AP_MODE= R8822BE= RTLWIFI_DEBUG_ST= +SERIAL_DEV_BUS= diff --git a/net/bluetooth/Kconfig b/net/bluetooth/Kconfig index 08f5808..0f68a23 100644 --- a/net/bluetooth/Kconfig +++ b/net/bluetooth/Kconfig @@ -14,7 +14,8 @@ menuconfig BT depends on CRYPTO_CMAC depends on CRYPTO_ECB depends on CRYPTO_SHA256 - depends on CRYPTO_ECDH + depends on CRYPTO_ECDH + depends on !KERNEL_4_7 help Bluetooth is low-cost, low-power, short-range wireless technology. It was designed as a replacement for cables and other short-range diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c index 51c2cf2..9346e75 100644 --- a/net/bluetooth/a2mp.c +++ b/net/bluetooth/a2mp.c @@ -239,7 +239,7 @@ static int a2mp_discover_rsp(struct amp_mgr *mgr, struct sk_buff *skb, } len -= sizeof(*cl); - cl = skb_pull(skb, sizeof(*cl)); + cl = (void *)skb_pull(skb, sizeof(*cl)); } /* Fall back to L2CAP init sequence */ @@ -279,7 +279,7 @@ static int a2mp_change_notify(struct amp_mgr *mgr, struct sk_buff *skb, while (skb->len >= sizeof(*cl)) { BT_DBG("Controller id %d type %d status %d", cl->id, cl->type, cl->status); - cl = skb_pull(skb, sizeof(*cl)); + cl = (void *) skb_pull(skb, sizeof(*cl)); } /* TODO send A2MP_CHANGE_RSP */ diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 3264e18..77a68c0 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -28,6 +28,7 @@ #include #include #include +#include #include @@ -649,7 +650,7 @@ static int bt_seq_show(struct seq_file *seq, void *v) seq_printf(seq, "%pK %-6d %-6u %-6u %-6u %-6lu %-6lu", sk, - refcount_read(&sk->sk_refcnt), + refcount_read((const refcount_t *)&sk->sk_refcnt), sk_rmem_alloc_get(sk), sk_wmem_alloc_get(sk), from_kuid(seq_user_ns(seq), sock_i_uid(sk)), @@ -679,8 +680,9 @@ int bt_procfs_init(struct net *net, const char *name, { sk_list->custom_seq_show = seq_show; - if (!proc_create_seq_data(name, 0, net->proc_net, &bt_seq_ops, sk_list)) - return -ENOMEM; + /*TODO: FIXME */ + //if (!proc_create_seq_data(name, 0, net->proc_net, &bt_seq_ops, sk_list)) + // return -ENOMEM; return 0; } diff --git a/net/bluetooth/ecdh_helper.c b/net/bluetooth/ecdh_helper.c index 2155ce8..9c91522 100644 --- a/net/bluetooth/ecdh_helper.c +++ b/net/bluetooth/ecdh_helper.c @@ -23,6 +23,9 @@ #include "ecdh_helper.h" #include +#if LINUX_VERSION_IS_LESS(4,8,0) +#include +#endif #include struct ecdh_completion { diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 3d3b23d..d1ed594 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -1338,9 +1338,13 @@ done: release_sock(sk); return err; } - +#if LINUX_VERSION_IS_LESS(4,17,0) +static int hci_sock_getname(struct socket *sock, struct sockaddr *addr, + int *sockaddr_len, int peer) +#else static int hci_sock_getname(struct socket *sock, struct sockaddr *addr, int peer) +#endif { struct sockaddr_hci *haddr = (struct sockaddr_hci *)addr; struct sock *sk = sock->sk; diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index d17a473..3bfa43f 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -33,7 +33,7 @@ #include #include #include - +#include #include #include #include @@ -2119,6 +2119,42 @@ static void l2cap_send_ack(struct l2cap_chan *chan) } } +extern void __compiletime_error("copy source size is too small") +__bad_copy_from(void); +extern void __compiletime_error("copy destination size is too small") +__bad_copy_to(void); + +static inline void copy_overflow(int size, unsigned long count) +{ + WARN(1, "Buffer overflow detected (%d < %lu)!\n", size, count); +} + +static __always_inline bool +check_copy_size(const void *addr, size_t bytes, bool is_source) +{ + int sz = __compiletime_object_size(addr); + if (unlikely(sz >= 0 && sz < bytes)) { + if (!__builtin_constant_p(bytes)) + copy_overflow(sz, bytes); + else if (is_source) + __bad_copy_from(); + else + __bad_copy_to(); + return false; + } + check_object_size(addr, bytes, is_source); + return true; +} + +static __always_inline __must_check +bool copy_from_iter_full(void *addr, size_t bytes, struct iov_iter *i) +{ + if (unlikely(!check_copy_size(addr, bytes, false))) + return false; + else + return _copy_from_iter_full(addr, bytes, i); +} + static inline int l2cap_skbuff_fromiovec(struct l2cap_chan *chan, struct msghdr *msg, int len, int count, struct sk_buff *skb) diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 95b7293..f1e8ed6 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -300,9 +300,13 @@ done: release_sock(sk); return err; } - +#if LINUX_VERSION_IS_LESS(4,12,0) +static int l2cap_sock_accept(struct socket *sock, struct socket *newsock, + int flags) +#else static int l2cap_sock_accept(struct socket *sock, struct socket *newsock, int flags, bool kern) +#endif { DEFINE_WAIT_FUNC(wait, woken_wake_function); struct sock *sk = sock->sk, *nsk; @@ -357,8 +361,13 @@ done: return err; } +#if LINUX_VERSION_IS_LESS(4,17,0) +static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, + int *sockaddr_len, int peer) +#else static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int peer) +#endif { struct sockaddr_l2 *la = (struct sockaddr_l2 *) addr; struct sock *sk = sock->sk; @@ -1027,7 +1036,11 @@ static int l2cap_sock_recvmsg(struct socket *sock, struct msghdr *msg, goto done; if (pi->rx_busy_skb) { +#if LINUX_VERSION_IS_GEQ(4,7,0) if (!__sock_queue_rcv_skb(sk, pi->rx_busy_skb)) +#else + if (!sock_queue_rcv_skb(sk, pi->rx_busy_skb)) +#endif pi->rx_busy_skb = NULL; else goto done; @@ -1296,7 +1309,11 @@ static int l2cap_sock_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb) goto done; } +#if LINUX_VERSION_IS_GEQ(4,7,0) err = __sock_queue_rcv_skb(sk, skb); +#else + err = sock_queue_rcv_skb(sk, skb); +#endif /* For ERTM, handle one skb that doesn't fit into the recv * buffer. This is important to do because the data frames diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c index 2289d6c..2e7e16c 100644 --- a/net/bluetooth/rfcomm/core.c +++ b/net/bluetooth/rfcomm/core.c @@ -351,7 +351,7 @@ static void rfcomm_dlc_unlink(struct rfcomm_dlc *d) { struct rfcomm_session *s = d->session; - BT_DBG("dlc %p refcnt %d session %p", d, refcount_read(&d->refcnt), s); + BT_DBG("dlc %p refcnt %d session %p", d, refcount_read((const refcount_t *)&d->refcnt), s); list_del(&d->list); d->session = NULL; @@ -872,7 +872,7 @@ static int rfcomm_queue_disc(struct rfcomm_dlc *d) if (!skb) return -ENOMEM; - cmd = __skb_put(skb, sizeof(*cmd)); + cmd = (void *)__skb_put(skb, sizeof(*cmd)); cmd->addr = d->addr; cmd->ctrl = __ctrl(RFCOMM_DISC, 1); cmd->len = __len8(0); diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index 90e1c3b..5d0b0a5 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -205,7 +205,7 @@ static void rfcomm_sock_kill(struct sock *sk) if (!sock_flag(sk, SOCK_ZAPPED) || sk->sk_socket) return; - BT_DBG("sk %p state %d refcnt %d", sk, sk->sk_state, refcount_read(&sk->sk_refcnt)); + BT_DBG("sk %p state %d refcnt %d", sk, sk->sk_state, refcount_read((const refcount_t *)&sk->sk_refcnt)); /* Kill poor orphan */ bt_sock_unlink(&rfcomm_sk_list, sk); @@ -481,8 +481,12 @@ done: return err; } +#if LINUX_VERSION_IS_LESS(4,12,0) +static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int flags) +#else static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int flags, bool kern) +#endif { DEFINE_WAIT_FUNC(wait, woken_wake_function); struct sock *sk = sock->sk, *nsk; @@ -542,7 +546,12 @@ done: return err; } +#if LINUX_VERSION_IS_LESS(4,17,0) +static int rfcomm_sock_getname(struct socket *sock, struct sockaddr *addr, + int *sockaddr_len, int peer) +#else static int rfcomm_sock_getname(struct socket *sock, struct sockaddr *addr, int peer) +#endif { struct sockaddr_rc *sa = (struct sockaddr_rc *) addr; struct sock *sk = sock->sk; diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index 2ece5af..2ee2bd5 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -623,9 +623,13 @@ done: release_sock(sk); return err; } - +#if LINUX_VERSION_IS_LESS(4,12,0) +static int sco_sock_accept(struct socket *sock, struct socket *newsock, + int flags) +#else static int sco_sock_accept(struct socket *sock, struct socket *newsock, int flags, bool kern) +#endif { DEFINE_WAIT_FUNC(wait, woken_wake_function); struct sock *sk = sock->sk, *ch; @@ -678,9 +682,13 @@ done: release_sock(sk); return err; } - +#if LINUX_VERSION_IS_LESS(4,17,0) +static int sco_sock_getname(struct socket *sock, struct sockaddr *addr, + int *sockaddr_len, int peer) +#else static int sco_sock_getname(struct socket *sock, struct sockaddr *addr, int peer) +#endif { struct sockaddr_sco *sa = (struct sockaddr_sco *) addr; struct sock *sk = sock->sk; -- cgit v1.2.3