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-rw-r--r--net/bluetooth/af_bluetooth.c16
-rw-r--r--net/bluetooth/hci_core.c2
-rw-r--r--net/bluetooth/hci_sock.c3
-rw-r--r--net/bluetooth/l2cap_core.c83
-rw-r--r--net/bluetooth/l2cap_sock.c2
-rw-r--r--net/bluetooth/rfcomm/sock.c2
-rw-r--r--net/bluetooth/sco.c2
-rw-r--r--net/bluetooth/smp.c23
-rw-r--r--net/mac80211/agg-tx.c4
-rw-r--r--net/mac80211/cfg.c10
-rw-r--r--net/mac80211/debugfs_netdev.c2
-rw-r--r--net/mac80211/driver-ops.h3
-rw-r--r--net/mac80211/key.c9
-rw-r--r--net/mac80211/mesh.h6
-rw-r--r--net/mac80211/mesh_pathtbl.c155
-rw-r--r--net/mac80211/rx.c13
-rw-r--r--net/mac80211/tx.c4
-rw-r--r--net/mac80211/util.c6
-rw-r--r--net/wireless/reg.c4
19 files changed, 171 insertions, 178 deletions
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index a8269f8..07b5cc3 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -154,15 +154,25 @@ void bt_sock_unlink(struct bt_sock_list *l, struct sock *sk)
}
EXPORT_SYMBOL(bt_sock_unlink);
-void bt_accept_enqueue(struct sock *parent, struct sock *sk)
+void bt_accept_enqueue(struct sock *parent, struct sock *sk, bool bh)
{
BT_DBG("parent %p, sk %p", parent, sk);
sock_hold(sk);
- lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
+
+ if (bh)
+ bh_lock_sock_nested(sk);
+ else
+ lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
+
list_add_tail(&bt_sk(sk)->accept_q, &bt_sk(parent)->accept_q);
bt_sk(sk)->parent = parent;
- release_sock(sk);
+
+ if (bh)
+ bh_unlock_sock(sk);
+ else
+ release_sock(sk);
+
parent->sk_ack_backlog++;
}
EXPORT_SYMBOL(bt_accept_enqueue);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 74b29c7..a06f030 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3084,6 +3084,8 @@ struct hci_dev *hci_alloc_dev(void)
hdev->le_max_tx_time = 0x0148;
hdev->le_max_rx_len = 0x001b;
hdev->le_max_rx_time = 0x0148;
+ hdev->le_max_key_size = SMP_MAX_ENC_KEY_SIZE;
+ hdev->le_min_key_size = SMP_MIN_ENC_KEY_SIZE;
hdev->le_tx_def_phys = HCI_LE_SET_PHY_1M;
hdev->le_rx_def_phys = HCI_LE_SET_PHY_1M;
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 542fb36..3d5a97b 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -831,8 +831,6 @@ static int hci_sock_release(struct socket *sock)
if (!sk)
return 0;
- hdev = hci_pi(sk)->hdev;
-
switch (hci_pi(sk)->channel) {
case HCI_CHANNEL_MONITOR:
atomic_dec(&monitor_promisc);
@@ -854,6 +852,7 @@ static int hci_sock_release(struct socket *sock)
bt_sock_unlink(&hci_sk_list, sk);
+ hdev = hci_pi(sk)->hdev;
if (hdev) {
if (hci_pi(sk)->channel == HCI_CHANNEL_USER) {
/* When releasing a user channel exclusive access,
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 61cb929..1e78be2 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -3351,16 +3351,22 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
while (len >= L2CAP_CONF_OPT_SIZE) {
len -= l2cap_get_conf_opt(&req, &type, &olen, &val);
+ if (len < 0)
+ break;
hint = type & L2CAP_CONF_HINT;
type &= L2CAP_CONF_MASK;
switch (type) {
case L2CAP_CONF_MTU:
+ if (olen != 2)
+ break;
mtu = val;
break;
case L2CAP_CONF_FLUSH_TO:
+ if (olen != 2)
+ break;
chan->flush_to = val;
break;
@@ -3368,26 +3374,30 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
break;
case L2CAP_CONF_RFC:
- if (olen == sizeof(rfc))
- memcpy(&rfc, (void *) val, olen);
+ if (olen != sizeof(rfc))
+ break;
+ memcpy(&rfc, (void *) val, olen);
break;
case L2CAP_CONF_FCS:
+ if (olen != 1)
+ break;
if (val == L2CAP_FCS_NONE)
set_bit(CONF_RECV_NO_FCS, &chan->conf_state);
break;
case L2CAP_CONF_EFS:
- if (olen == sizeof(efs)) {
- remote_efs = 1;
- memcpy(&efs, (void *) val, olen);
- }
+ if (olen != sizeof(efs))
+ break;
+ remote_efs = 1;
+ memcpy(&efs, (void *) val, olen);
break;
case L2CAP_CONF_EWS:
+ if (olen != 2)
+ break;
if (!(chan->conn->local_fixed_chan & L2CAP_FC_A2MP))
return -ECONNREFUSED;
-
set_bit(FLAG_EXT_CTRL, &chan->flags);
set_bit(CONF_EWS_RECV, &chan->conf_state);
chan->tx_win_max = L2CAP_DEFAULT_EXT_WINDOW;
@@ -3397,7 +3407,6 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
default:
if (hint)
break;
-
result = L2CAP_CONF_UNKNOWN;
*((u8 *) ptr++) = type;
break;
@@ -3562,58 +3571,65 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len,
while (len >= L2CAP_CONF_OPT_SIZE) {
len -= l2cap_get_conf_opt(&rsp, &type, &olen, &val);
+ if (len < 0)
+ break;
switch (type) {
case L2CAP_CONF_MTU:
+ if (olen != 2)
+ break;
if (val < L2CAP_DEFAULT_MIN_MTU) {
*result = L2CAP_CONF_UNACCEPT;
chan->imtu = L2CAP_DEFAULT_MIN_MTU;
} else
chan->imtu = val;
- l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, chan->imtu, endptr - ptr);
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, chan->imtu,
+ endptr - ptr);
break;
case L2CAP_CONF_FLUSH_TO:
+ if (olen != 2)
+ break;
chan->flush_to = val;
- l2cap_add_conf_opt(&ptr, L2CAP_CONF_FLUSH_TO,
- 2, chan->flush_to, endptr - ptr);
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_FLUSH_TO, 2,
+ chan->flush_to, endptr - ptr);
break;
case L2CAP_CONF_RFC:
- if (olen == sizeof(rfc))
- memcpy(&rfc, (void *)val, olen);
-
+ if (olen != sizeof(rfc))
+ break;
+ memcpy(&rfc, (void *)val, olen);
if (test_bit(CONF_STATE2_DEVICE, &chan->conf_state) &&
rfc.mode != chan->mode)
return -ECONNREFUSED;
-
chan->fcs = 0;
-
- l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
- sizeof(rfc), (unsigned long) &rfc, endptr - ptr);
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc),
+ (unsigned long) &rfc, endptr - ptr);
break;
case L2CAP_CONF_EWS:
+ if (olen != 2)
+ break;
chan->ack_win = min_t(u16, val, chan->ack_win);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_EWS, 2,
chan->tx_win, endptr - ptr);
break;
case L2CAP_CONF_EFS:
- if (olen == sizeof(efs)) {
- memcpy(&efs, (void *)val, olen);
-
- if (chan->local_stype != L2CAP_SERV_NOTRAFIC &&
- efs.stype != L2CAP_SERV_NOTRAFIC &&
- efs.stype != chan->local_stype)
- return -ECONNREFUSED;
-
- l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, sizeof(efs),
- (unsigned long) &efs, endptr - ptr);
- }
+ if (olen != sizeof(efs))
+ break;
+ memcpy(&efs, (void *)val, olen);
+ if (chan->local_stype != L2CAP_SERV_NOTRAFIC &&
+ efs.stype != L2CAP_SERV_NOTRAFIC &&
+ efs.stype != chan->local_stype)
+ return -ECONNREFUSED;
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, sizeof(efs),
+ (unsigned long) &efs, endptr - ptr);
break;
case L2CAP_CONF_FCS:
+ if (olen != 1)
+ break;
if (*result == L2CAP_CONF_PENDING)
if (val == L2CAP_FCS_NONE)
set_bit(CONF_RECV_NO_FCS,
@@ -3742,13 +3758,18 @@ static void l2cap_conf_rfc_get(struct l2cap_chan *chan, void *rsp, int len)
while (len >= L2CAP_CONF_OPT_SIZE) {
len -= l2cap_get_conf_opt(&rsp, &type, &olen, &val);
+ if (len < 0)
+ break;
switch (type) {
case L2CAP_CONF_RFC:
- if (olen == sizeof(rfc))
- memcpy(&rfc, (void *)val, olen);
+ if (olen != sizeof(rfc))
+ break;
+ memcpy(&rfc, (void *)val, olen);
break;
case L2CAP_CONF_EWS:
+ if (olen != 2)
+ break;
txwin_ext = val;
break;
}
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 04c3e00..4748be8 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1283,7 +1283,7 @@ static struct l2cap_chan *l2cap_sock_new_connection_cb(struct l2cap_chan *chan)
l2cap_sock_init(sk, parent);
- bt_accept_enqueue(parent, sk);
+ bt_accept_enqueue(parent, sk, false);
release_sock(parent);
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 604cf98..a693e2a 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -1028,7 +1028,7 @@ int rfcomm_connect_ind(struct rfcomm_session *s, u8 channel, struct rfcomm_dlc *
rfcomm_pi(sk)->channel = channel;
sk->sk_state = BT_CONFIG;
- bt_accept_enqueue(parent, sk);
+ bt_accept_enqueue(parent, sk, true);
/* Accept connection and return socket DLC */
*d = rfcomm_pi(sk)->dlc;
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index aafe828..c3f1b3c 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -193,7 +193,7 @@ static void __sco_chan_add(struct sco_conn *conn, struct sock *sk,
conn->sk = sk;
if (parent)
- bt_accept_enqueue(parent, sk);
+ bt_accept_enqueue(parent, sk, true);
}
static int sco_chan_add(struct sco_conn *conn, struct sock *sk,
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 3cf7565..5e792b6 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -88,9 +88,6 @@ struct smp_dev {
u8 local_rand[16];
bool debug_key;
- u8 min_key_size;
- u8 max_key_size;
-
struct crypto_cipher *tfm_aes;
struct crypto_shash *tfm_cmac;
struct crypto_kpp *tfm_ecdh;
@@ -725,7 +722,7 @@ static void build_pairing_cmd(struct l2cap_conn *conn,
if (rsp == NULL) {
req->io_capability = conn->hcon->io_capability;
req->oob_flag = oob_flag;
- req->max_key_size = SMP_DEV(hdev)->max_key_size;
+ req->max_key_size = hdev->le_max_key_size;
req->init_key_dist = local_dist;
req->resp_key_dist = remote_dist;
req->auth_req = (authreq & AUTH_REQ_MASK(hdev));
@@ -736,7 +733,7 @@ static void build_pairing_cmd(struct l2cap_conn *conn,
rsp->io_capability = conn->hcon->io_capability;
rsp->oob_flag = oob_flag;
- rsp->max_key_size = SMP_DEV(hdev)->max_key_size;
+ rsp->max_key_size = hdev->le_max_key_size;
rsp->init_key_dist = req->init_key_dist & remote_dist;
rsp->resp_key_dist = req->resp_key_dist & local_dist;
rsp->auth_req = (authreq & AUTH_REQ_MASK(hdev));
@@ -750,7 +747,7 @@ static u8 check_enc_key_size(struct l2cap_conn *conn, __u8 max_key_size)
struct hci_dev *hdev = conn->hcon->hdev;
struct smp_chan *smp = chan->data;
- if (max_key_size > SMP_DEV(hdev)->max_key_size ||
+ if (max_key_size > hdev->le_max_key_size ||
max_key_size < SMP_MIN_ENC_KEY_SIZE)
return SMP_ENC_KEY_SIZE;
@@ -3275,8 +3272,6 @@ static struct l2cap_chan *smp_add_cid(struct hci_dev *hdev, u16 cid)
smp->tfm_aes = tfm_aes;
smp->tfm_cmac = tfm_cmac;
smp->tfm_ecdh = tfm_ecdh;
- smp->min_key_size = SMP_MIN_ENC_KEY_SIZE;
- smp->max_key_size = SMP_MAX_ENC_KEY_SIZE;
create_chan:
chan = l2cap_chan_create();
@@ -3402,7 +3397,7 @@ static ssize_t le_min_key_size_read(struct file *file,
struct hci_dev *hdev = file->private_data;
char buf[4];
- snprintf(buf, sizeof(buf), "%2u\n", SMP_DEV(hdev)->min_key_size);
+ snprintf(buf, sizeof(buf), "%2u\n", hdev->le_min_key_size);
return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
}
@@ -3423,11 +3418,11 @@ static ssize_t le_min_key_size_write(struct file *file,
sscanf(buf, "%hhu", &key_size);
- if (key_size > SMP_DEV(hdev)->max_key_size ||
+ if (key_size > hdev->le_max_key_size ||
key_size < SMP_MIN_ENC_KEY_SIZE)
return -EINVAL;
- SMP_DEV(hdev)->min_key_size = key_size;
+ hdev->le_min_key_size = key_size;
return count;
}
@@ -3446,7 +3441,7 @@ static ssize_t le_max_key_size_read(struct file *file,
struct hci_dev *hdev = file->private_data;
char buf[4];
- snprintf(buf, sizeof(buf), "%2u\n", SMP_DEV(hdev)->max_key_size);
+ snprintf(buf, sizeof(buf), "%2u\n", hdev->le_max_key_size);
return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
}
@@ -3468,10 +3463,10 @@ static ssize_t le_max_key_size_write(struct file *file,
sscanf(buf, "%hhu", &key_size);
if (key_size > SMP_MAX_ENC_KEY_SIZE ||
- key_size < SMP_DEV(hdev)->min_key_size)
+ key_size < hdev->le_min_key_size)
return -EINVAL;
- SMP_DEV(hdev)->max_key_size = key_size;
+ hdev->le_max_key_size = key_size;
return count;
}
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 69e831b..54821fb 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -8,7 +8,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2007-2010, Intel Corporation
* Copyright(c) 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2018 - 2019 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
@@ -366,6 +366,8 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
set_bit(HT_AGG_STATE_STOPPING, &tid_tx->state);
+ ieee80211_agg_stop_txq(sta, tid);
+
spin_unlock_bh(&sta->lock);
ht_dbg(sta->sdata, "Tx BA session stop requested for %pM tid %u\n",
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 2362336..dc4d682 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -887,6 +887,7 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
BSS_CHANGED_P2P_PS |
BSS_CHANGED_TXPOWER;
int err;
+ int prev_beacon_int;
old = sdata_dereference(sdata->u.ap.beacon, sdata);
if (old)
@@ -909,6 +910,7 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
sdata->needed_rx_chains = sdata->local->rx_chains;
+ prev_beacon_int = sdata->vif.bss_conf.beacon_int;
sdata->vif.bss_conf.beacon_int = params->beacon_interval;
mutex_lock(&local->mtx);
@@ -917,8 +919,10 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
if (!err)
ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
mutex_unlock(&local->mtx);
- if (err)
+ if (err) {
+ sdata->vif.bss_conf.beacon_int = prev_beacon_int;
return err;
+ }
/*
* Apply control port protocol, this allows us to
@@ -1474,6 +1478,10 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
sta->sta.tdls = true;
+ if (sta->sta.tdls && sdata->vif.type == NL80211_IFTYPE_STATION &&
+ !sdata->u.mgd.associated)
+ return -EINVAL;
+
err = sta_apply_parameters(local, sta, params);
if (err) {
sta_info_free(local, sta);
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index fb3d57a..57f8c9c 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -838,7 +838,7 @@ void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
dir = sdata->vif.debugfs_dir;
- if (!dir)
+ if (IS_ERR_OR_NULL(dir))
return;
sprintf(buf, "netdev:%s", sdata->name);
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 434f5ec..1418299 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -1166,6 +1166,9 @@ static inline void drv_wake_tx_queue(struct ieee80211_local *local,
{
struct ieee80211_sub_if_data *sdata = vif_to_sdata(txq->txq.vif);
+ if (local->in_reconfig)
+ return;
+
if (!check_sdata_in_driver(sdata))
return;
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index c054ac8..f20bb39 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -167,8 +167,10 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
* The driver doesn't know anything about VLAN interfaces.
* Hence, don't send GTKs for VLAN interfaces to the driver.
*/
- if (!(key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE))
+ if (!(key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
+ ret = 1;
goto out_unsupported;
+ }
}
ret = drv_set_key(key->local, SET_KEY, sdata,
@@ -213,11 +215,8 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
/* all of these we can do in software - if driver can */
if (ret == 1)
return 0;
- if (ieee80211_hw_check(&key->local->hw, SW_CRYPTO_CONTROL)) {
- if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
- return 0;
+ if (ieee80211_hw_check(&key->local->hw, SW_CRYPTO_CONTROL))
return -EINVAL;
- }
return 0;
default:
return -EINVAL;
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 8c37c87..4791426 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -70,6 +70,7 @@ enum mesh_deferred_task_flags {
* @dst: mesh path destination mac address
* @mpp: mesh proxy mac address
* @rhash: rhashtable list pointer
+ * @walk_list: linked list containing all mesh_path objects.
* @gate_list: list pointer for known gates list
* @sdata: mesh subif
* @next_hop: mesh neighbor to which frames for this destination will be
@@ -105,6 +106,7 @@ struct mesh_path {
u8 dst[ETH_ALEN];
u8 mpp[ETH_ALEN]; /* used for MPP or MAP */
struct rhash_head rhash;
+ struct hlist_node walk_list;
struct hlist_node gate_list;
struct ieee80211_sub_if_data *sdata;
struct sta_info __rcu *next_hop;
@@ -133,12 +135,16 @@ struct mesh_path {
* gate's mpath may or may not be resolved and active.
* @gates_lock: protects updates to known_gates
* @rhead: the rhashtable containing struct mesh_paths, keyed by dest addr
+ * @walk_head: linked list containging all mesh_path objects
+ * @walk_lock: lock protecting walk_head
* @entries: number of entries in the table
*/
struct mesh_table {
struct hlist_head known_gates;
spinlock_t gates_lock;
struct rhashtable rhead;
+ struct hlist_head walk_head;
+ spinlock_t walk_lock;
atomic_t entries; /* Up to MAX_MESH_NEIGHBOURS */
};
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index a512562..c3a7396 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -59,8 +59,10 @@ static struct mesh_table *mesh_table_alloc(void)
return NULL;
INIT_HLIST_HEAD(&newtbl->known_gates);
+ INIT_HLIST_HEAD(&newtbl->walk_head);
atomic_set(&newtbl->entries, 0);
spin_lock_init(&newtbl->gates_lock);
+ spin_lock_init(&newtbl->walk_lock);
return newtbl;
}
@@ -249,28 +251,15 @@ mpp_path_lookup(struct ieee80211_sub_if_data *sdata, const u8 *dst)
static struct mesh_path *
__mesh_path_lookup_by_idx(struct mesh_table *tbl, int idx)
{
- int i = 0, ret;
- struct mesh_path *mpath = NULL;
- struct rhashtable_iter iter;
-
- ret = rhashtable_walk_init(&tbl->rhead, &iter, GFP_ATOMIC);
- if (ret)
- return NULL;
-
- rhashtable_walk_start(&iter);
+ int i = 0;
+ struct mesh_path *mpath;
- while ((mpath = rhashtable_walk_next(&iter))) {
- if (IS_ERR(mpath) && PTR_ERR(mpath) == -EAGAIN)
- continue;
- if (IS_ERR(mpath))
- break;
+ hlist_for_each_entry_rcu(mpath, &tbl->walk_head, walk_list) {
if (i++ == idx)
break;
}
- rhashtable_walk_stop(&iter);
- rhashtable_walk_exit(&iter);
- if (IS_ERR(mpath) || !mpath)
+ if (!mpath)
return NULL;
if (mpath_expired(mpath)) {
@@ -432,6 +421,7 @@ struct mesh_path *mesh_path_add(struct ieee80211_sub_if_data *sdata,
return ERR_PTR(-ENOMEM);
tbl = sdata->u.mesh.mesh_paths;
+ spin_lock_bh(&tbl->walk_lock);
do {
ret = rhashtable_lookup_insert_fast(&tbl->rhead,
&new_mpath->rhash,
@@ -441,20 +431,20 @@ struct mesh_path *mesh_path_add(struct ieee80211_sub_if_data *sdata,
mpath = rhashtable_lookup_fast(&tbl->rhead,
dst,
mesh_rht_params);
-
+ else if (!ret)
+ hlist_add_head(&new_mpath->walk_list, &tbl->walk_head);
} while (unlikely(ret == -EEXIST && !mpath));
+ spin_unlock_bh(&tbl->walk_lock);
- if (ret && ret != -EEXIST)
- return ERR_PTR(ret);
-
- /* At this point either new_mpath was added, or we found a
- * matching entry already in the table; in the latter case
- * free the unnecessary new entry.
- */
- if (ret == -EEXIST) {
+ if (ret) {
kfree(new_mpath);
+
+ if (ret != -EEXIST)
+ return ERR_PTR(ret);
+
new_mpath = mpath;
}
+
sdata->u.mesh.mesh_paths_generation++;
return new_mpath;
}
@@ -480,9 +470,17 @@ int mpp_path_add(struct ieee80211_sub_if_data *sdata,
memcpy(new_mpath->mpp, mpp, ETH_ALEN);
tbl = sdata->u.mesh.mpp_paths;
+
+ spin_lock_bh(&tbl->walk_lock);
ret = rhashtable_lookup_insert_fast(&tbl->rhead,
&new_mpath->rhash,
mesh_rht_params);
+ if (!ret)
+ hlist_add_head_rcu(&new_mpath->walk_list, &tbl->walk_head);
+ spin_unlock_bh(&tbl->walk_lock);
+
+ if (ret)
+ kfree(new_mpath);
sdata->u.mesh.mpp_paths_generation++;
return ret;
@@ -503,20 +501,9 @@ void mesh_plink_broken(struct sta_info *sta)
struct mesh_table *tbl = sdata->u.mesh.mesh_paths;
static const u8 bcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
struct mesh_path *mpath;
- struct rhashtable_iter iter;
- int ret;
-
- ret = rhashtable_walk_init(&tbl->rhead, &iter, GFP_ATOMIC);
- if (ret)
- return;
- rhashtable_walk_start(&iter);
-
- while ((mpath = rhashtable_walk_next(&iter))) {
- if (IS_ERR(mpath) && PTR_ERR(mpath) == -EAGAIN)
- continue;
- if (IS_ERR(mpath))
- break;
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(mpath, &tbl->walk_head, walk_list) {
if (rcu_access_pointer(mpath->next_hop) == sta &&
mpath->flags & MESH_PATH_ACTIVE &&
!(mpath->flags & MESH_PATH_FIXED)) {
@@ -530,8 +517,7 @@ void mesh_plink_broken(struct sta_info *sta)
WLAN_REASON_MESH_PATH_DEST_UNREACHABLE, bcast);
}
}
- rhashtable_walk_stop(&iter);
- rhashtable_walk_exit(&iter);
+ rcu_read_unlock();
}
static void mesh_path_free_rcu(struct mesh_table *tbl,
@@ -551,6 +537,7 @@ static void mesh_path_free_rcu(struct mesh_table *tbl,
static void __mesh_path_del(struct mesh_table *tbl, struct mesh_path *mpath)
{
+ hlist_del_rcu(&mpath->walk_list);
rhashtable_remove_fast(&tbl->rhead, &mpath->rhash, mesh_rht_params);
mesh_path_free_rcu(tbl, mpath);
}
@@ -571,27 +558,14 @@ void mesh_path_flush_by_nexthop(struct sta_info *sta)
struct ieee80211_sub_if_data *sdata = sta->sdata;
struct mesh_table *tbl = sdata->u.mesh.mesh_paths;
struct mesh_path *mpath;
- struct rhashtable_iter iter;
- int ret;
-
- ret = rhashtable_walk_init(&tbl->rhead, &iter, GFP_ATOMIC);
- if (ret)
- return;
-
- rhashtable_walk_start(&iter);
-
- while ((mpath = rhashtable_walk_next(&iter))) {
- if (IS_ERR(mpath) && PTR_ERR(mpath) == -EAGAIN)
- continue;
- if (IS_ERR(mpath))
- break;
+ struct hlist_node *n;
+ spin_lock_bh(&tbl->walk_lock);
+ hlist_for_each_entry_safe(mpath, n, &tbl->walk_head, walk_list) {
if (rcu_access_pointer(mpath->next_hop) == sta)
__mesh_path_del(tbl, mpath);
}
-
- rhashtable_walk_stop(&iter);
- rhashtable_walk_exit(&iter);
+ spin_unlock_bh(&tbl->walk_lock);
}
static void mpp_flush_by_proxy(struct ieee80211_sub_if_data *sdata,
@@ -599,51 +573,26 @@ static void mpp_flush_by_proxy(struct ieee80211_sub_if_data *sdata,
{
struct mesh_table *tbl = sdata->u.mesh.mpp_paths;
struct mesh_path *mpath;
- struct rhashtable_iter iter;
- int ret;
-
- ret = rhashtable_walk_init(&tbl->rhead, &iter, GFP_ATOMIC);
- if (ret)
- return;
-
- rhashtable_walk_start(&iter);
-
- while ((mpath = rhashtable_walk_next(&iter))) {
- if (IS_ERR(mpath) && PTR_ERR(mpath) == -EAGAIN)
- continue;
- if (IS_ERR(mpath))
- break;
+ struct hlist_node *n;
+ spin_lock_bh(&tbl->walk_lock);
+ hlist_for_each_entry_safe(mpath, n, &tbl->walk_head, walk_list) {
if (ether_addr_equal(mpath->mpp, proxy))
__mesh_path_del(tbl, mpath);
}
-
- rhashtable_walk_stop(&iter);
- rhashtable_walk_exit(&iter);
+ spin_unlock_bh(&tbl->walk_lock);
}
static void table_flush_by_iface(struct mesh_table *tbl)
{
struct mesh_path *mpath;
- struct rhashtable_iter iter;
- int ret;
-
- ret = rhashtable_walk_init(&tbl->rhead, &iter, GFP_ATOMIC);
- if (ret)
- return;
-
- rhashtable_walk_start(&iter);
+ struct hlist_node *n;
- while ((mpath = rhashtable_walk_next(&iter))) {
- if (IS_ERR(mpath) && PTR_ERR(mpath) == -EAGAIN)
- continue;
- if (IS_ERR(mpath))
- break;
+ spin_lock_bh(&tbl->walk_lock);
+ hlist_for_each_entry_safe(mpath, n, &tbl->walk_head, walk_list) {
__mesh_path_del(tbl, mpath);
}
-
- rhashtable_walk_stop(&iter);
- rhashtable_walk_exit(&iter);
+ spin_unlock_bh(&tbl->walk_lock);
}
/**
@@ -675,7 +624,7 @@ static int table_path_del(struct mesh_table *tbl,
{
struct mesh_path *mpath;
- rcu_read_lock();
+ spin_lock_bh(&tbl->walk_lock);
mpath = rhashtable_lookup_fast(&tbl->rhead, addr, mesh_rht_params);
if (!mpath) {
rcu_read_unlock();
@@ -683,7 +632,7 @@ static int table_path_del(struct mesh_table *tbl,
}
__mesh_path_del(tbl, mpath);
- rcu_read_unlock();
+ spin_unlock_bh(&tbl->walk_lock);
return 0;
}
@@ -854,28 +803,16 @@ void mesh_path_tbl_expire(struct ieee80211_sub_if_data *sdata,
struct mesh_table *tbl)
{
struct mesh_path *mpath;
- struct rhashtable_iter iter;
- int ret;
+ struct hlist_node *n;
- ret = rhashtable_walk_init(&tbl->rhead, &iter, GFP_KERNEL);
- if (ret)
- return;
-
- rhashtable_walk_start(&iter);
-
- while ((mpath = rhashtable_walk_next(&iter))) {
- if (IS_ERR(mpath) && PTR_ERR(mpath) == -EAGAIN)
- continue;
- if (IS_ERR(mpath))
- break;
+ spin_lock_bh(&tbl->walk_lock);
+ hlist_for_each_entry_safe(mpath, n, &tbl->walk_head, walk_list) {
if ((!(mpath->flags & MESH_PATH_RESOLVING)) &&
(!(mpath->flags & MESH_PATH_FIXED)) &&
time_after(jiffies, mpath->exp_time + MESH_PATH_EXPIRE))
__mesh_path_del(tbl, mpath);
}
-
- rhashtable_walk_stop(&iter);
- rhashtable_walk_exit(&iter);
+ spin_unlock_bh(&tbl->walk_lock);
}
void mesh_path_expire(struct ieee80211_sub_if_data *sdata)
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 2fd59e6..4638ade 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -221,7 +221,7 @@ static void ieee80211_handle_mu_mimo_mon(struct ieee80211_sub_if_data *sdata,
struct ieee80211_hdr_3addr hdr;
u8 category;
u8 action_code;
- } __packed action;
+ } __packed __aligned(2) action;
if (!sdata)
return;
@@ -2598,6 +2598,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
struct ieee80211_sub_if_data *sdata = rx->sdata;
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
u16 ac, q, hdrlen;
+ int tailroom = 0;
hdr = (struct ieee80211_hdr *) skb->data;
hdrlen = ieee80211_hdrlen(hdr->frame_control);
@@ -2677,15 +2678,21 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
skb_set_queue_mapping(skb, q);
if (!--mesh_hdr->ttl) {
- IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_ttl);
+ if (!is_multicast_ether_addr(hdr->addr1))
+ IEEE80211_IFSTA_MESH_CTR_INC(ifmsh,
+ dropped_frames_ttl);
goto out;
}
if (!ifmsh->mshcfg.dot11MeshForwarding)
goto out;
+ if (sdata->crypto_tx_tailroom_needed_cnt)
+ tailroom = IEEE80211_ENCRYPT_TAILROOM;
+
fwd_skb = skb_copy_expand(skb, local->tx_headroom +
- sdata->encrypt_headroom, 0, GFP_ATOMIC);
+ sdata->encrypt_headroom,
+ tailroom, GFP_ATOMIC);
if (!fwd_skb)
goto out;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 048c938..98da714 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -3614,10 +3614,10 @@ void __ieee80211_subif_start_xmit(struct sk_buff *skb,
/* We need a bit of data queued to build aggregates properly, so
* instruct the TCP stack to allow more than a single ms of data
* to be queued in the stack. The value is a bit-shift of 1
- * second, so 8 is ~4ms of queued data. Only affects local TCP
+ * second, so 7 is ~8ms of queued data. Only affects local TCP
* sockets.
*/
- sk_pacing_shift_update(skb->sk, 8);
+ sk_pacing_shift_update(skb->sk, 7);
fast_tx = rcu_dereference(sta->fast_tx);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 716cd64..3deaa01 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -5,7 +5,7 @@
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2018-2019 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
@@ -2020,6 +2020,10 @@ int ieee80211_reconfig(struct ieee80211_local *local)
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_MONITOR:
break;
+ case NL80211_IFTYPE_ADHOC:
+ if (sdata->vif.bss_conf.ibss_joined)
+ WARN_ON(drv_join_ibss(local, sdata));
+ /* fall through */
default:
ieee80211_reconfig_stations(sdata);
/* fall through */
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 83aa479..a0a068e 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1249,7 +1249,7 @@ static bool is_valid_rd(const struct ieee80211_regdomain *rd)
* definitions (the "2.4 GHz band", the "5 GHz band" and the "60GHz band"),
* however it is safe for now to assume that a frequency rule should not be
* part of a frequency's band if the start freq or end freq are off by more
- * than 2 GHz for the 2.4 and 5 GHz bands, and by more than 10 GHz for the
+ * than 2 GHz for the 2.4 and 5 GHz bands, and by more than 20 GHz for the
* 60 GHz band.
* This resolution can be lowered and should be considered as we add
* regulatory rule support for other "bands".
@@ -1264,7 +1264,7 @@ static bool freq_in_rule_band(const struct ieee80211_freq_range *freq_range,
* with the Channel starting frequency above 45 GHz.
*/
u32 limit = freq_khz > 45 * ONE_GHZ_IN_KHZ ?
- 10 * ONE_GHZ_IN_KHZ : 2 * ONE_GHZ_IN_KHZ;
+ 20 * ONE_GHZ_IN_KHZ : 2 * ONE_GHZ_IN_KHZ;
if (abs(freq_khz - freq_range->start_freq_khz) <= limit)
return true;
if (abs(freq_khz - freq_range->end_freq_khz) <= limit)
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-27 09:40:52 +0000