From 52409fae3e4b8d16b68b61902fc09075cd97b75d Mon Sep 17 00:00:00 2001 From: Dominik Sliwa Date: Sun, 2 Jul 2017 16:41:37 +0200 Subject: Backports generated from 4.11 kernel Initial commit. Signed-off-by: Dominik Sliwa --- drivers/net/wireless/ath/wil6210/cfg80211.c | 1703 +++++++++++++++++++++++++++ 1 file changed, 1703 insertions(+) create mode 100644 drivers/net/wireless/ath/wil6210/cfg80211.c (limited to 'drivers/net/wireless/ath/wil6210/cfg80211.c') diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c new file mode 100644 index 0000000..83155b5 --- /dev/null +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -0,0 +1,1703 @@ +/* + * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, 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. + */ + +#include +#include +#include "wil6210.h" +#include "wmi.h" + +#define WIL_MAX_ROC_DURATION_MS 5000 + +bool disable_ap_sme; +module_param(disable_ap_sme, bool, 0444); +MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME"); + +#define CHAN60G(_channel, _flags) { \ + .band = NL80211_BAND_60GHZ, \ + .center_freq = 56160 + (2160 * (_channel)), \ + .hw_value = (_channel), \ + .flags = (_flags), \ + .max_antenna_gain = 0, \ + .max_power = 40, \ +} + +static struct ieee80211_channel wil_60ghz_channels[] = { + CHAN60G(1, 0), + CHAN60G(2, 0), + CHAN60G(3, 0), +/* channel 4 not supported yet */ +}; + +static struct ieee80211_supported_band wil_band_60ghz = { + .channels = wil_60ghz_channels, + .n_channels = ARRAY_SIZE(wil_60ghz_channels), + .ht_cap = { + .ht_supported = true, + .cap = 0, /* TODO */ + .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */ + .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */ + .mcs = { + /* MCS 1..12 - SC PHY */ + .rx_mask = {0xfe, 0x1f}, /* 1..12 */ + .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */ + }, + }, +}; + +static const struct ieee80211_txrx_stypes +wil_mgmt_stypes[NUM_NL80211_IFTYPES] = { + [NL80211_IFTYPE_STATION] = { + .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_RESP >> 4), + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, + [NL80211_IFTYPE_AP] = { + .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_RESP >> 4) | + BIT(IEEE80211_STYPE_ASSOC_RESP >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4), + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | + BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | + BIT(IEEE80211_STYPE_DEAUTH >> 4) | + BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) + }, + [NL80211_IFTYPE_P2P_CLIENT] = { + .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_RESP >> 4), + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, + [NL80211_IFTYPE_P2P_GO] = { + .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_RESP >> 4), + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, + [NL80211_IFTYPE_P2P_DEVICE] = { + .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_RESP >> 4), + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, +}; + +static const u32 wil_cipher_suites[] = { + WLAN_CIPHER_SUITE_GCMP, +}; + +static const char * const key_usage_str[] = { + [WMI_KEY_USE_PAIRWISE] = "PTK", + [WMI_KEY_USE_RX_GROUP] = "RX_GTK", + [WMI_KEY_USE_TX_GROUP] = "TX_GTK", +}; + +int wil_iftype_nl2wmi(enum nl80211_iftype type) +{ + static const struct { + enum nl80211_iftype nl; + enum wmi_network_type wmi; + } __nl2wmi[] = { + {NL80211_IFTYPE_ADHOC, WMI_NETTYPE_ADHOC}, + {NL80211_IFTYPE_STATION, WMI_NETTYPE_INFRA}, + {NL80211_IFTYPE_AP, WMI_NETTYPE_AP}, + {NL80211_IFTYPE_P2P_CLIENT, WMI_NETTYPE_P2P}, + {NL80211_IFTYPE_P2P_GO, WMI_NETTYPE_P2P}, + {NL80211_IFTYPE_MONITOR, WMI_NETTYPE_ADHOC}, /* FIXME */ + }; + uint i; + + for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) { + if (__nl2wmi[i].nl == type) + return __nl2wmi[i].wmi; + } + + return -EOPNOTSUPP; +} + +int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid, + struct station_info *sinfo) +{ + struct wmi_notify_req_cmd cmd = { + .cid = cid, + .interval_usec = 0, + }; + struct { + struct wmi_cmd_hdr wmi; + struct wmi_notify_req_done_event evt; + } __packed reply; + struct wil_net_stats *stats = &wil->sta[cid].stats; + int rc; + + rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd), + WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20); + if (rc) + return rc; + + wil_dbg_wmi(wil, "Link status for CID %d: {\n" + " MCS %d TSF 0x%016llx\n" + " BF status 0x%08x SNR 0x%08x SQI %d%%\n" + " Tx Tpt %d goodput %d Rx goodput %d\n" + " Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n", + cid, le16_to_cpu(reply.evt.bf_mcs), + le64_to_cpu(reply.evt.tsf), reply.evt.status, + le32_to_cpu(reply.evt.snr_val), + reply.evt.sqi, + le32_to_cpu(reply.evt.tx_tpt), + le32_to_cpu(reply.evt.tx_goodput), + le32_to_cpu(reply.evt.rx_goodput), + le16_to_cpu(reply.evt.my_rx_sector), + le16_to_cpu(reply.evt.my_tx_sector), + le16_to_cpu(reply.evt.other_rx_sector), + le16_to_cpu(reply.evt.other_tx_sector)); + + sinfo->generation = wil->sinfo_gen; + + sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | + BIT(NL80211_STA_INFO_TX_BYTES) | + BIT(NL80211_STA_INFO_RX_PACKETS) | + BIT(NL80211_STA_INFO_TX_PACKETS) | + BIT(NL80211_STA_INFO_RX_BITRATE) | + BIT(NL80211_STA_INFO_TX_BITRATE) | + BIT(NL80211_STA_INFO_RX_DROP_MISC) | + BIT(NL80211_STA_INFO_TX_FAILED); + + sinfo->txrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G; + sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs); + sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G; + sinfo->rxrate.mcs = stats->last_mcs_rx; + sinfo->rx_bytes = stats->rx_bytes; + sinfo->rx_packets = stats->rx_packets; + sinfo->rx_dropped_misc = stats->rx_dropped; + sinfo->tx_bytes = stats->tx_bytes; + sinfo->tx_packets = stats->tx_packets; + sinfo->tx_failed = stats->tx_errors; + + if (test_bit(wil_status_fwconnected, wil->status)) { + sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); + sinfo->signal = reply.evt.sqi; + } + + return rc; +} + +static int wil_cfg80211_get_station(struct wiphy *wiphy, + struct net_device *ndev, + const u8 *mac, struct station_info *sinfo) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + int rc; + + int cid = wil_find_cid(wil, mac); + + wil_dbg_misc(wil, "get_station: %pM CID %d\n", mac, cid); + if (cid < 0) + return cid; + + rc = wil_cid_fill_sinfo(wil, cid, sinfo); + + return rc; +} + +/* + * Find @idx-th active STA for station dump. + */ +static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { + if (wil->sta[i].status == wil_sta_unused) + continue; + if (idx == 0) + return i; + idx--; + } + + return -ENOENT; +} + +static int wil_cfg80211_dump_station(struct wiphy *wiphy, + struct net_device *dev, int idx, + u8 *mac, struct station_info *sinfo) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + int rc; + int cid = wil_find_cid_by_idx(wil, idx); + + if (cid < 0) + return -ENOENT; + + ether_addr_copy(mac, wil->sta[cid].addr); + wil_dbg_misc(wil, "dump_station: %pM CID %d\n", mac, cid); + + rc = wil_cid_fill_sinfo(wil, cid, sinfo); + + return rc; +} + +static struct wireless_dev * +wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name, + unsigned char name_assign_type, + enum nl80211_iftype type, + u32 *flags, struct vif_params *params) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct net_device *ndev = wil_to_ndev(wil); + struct wireless_dev *p2p_wdev; + + wil_dbg_misc(wil, "add_iface\n"); + + if (type != NL80211_IFTYPE_P2P_DEVICE) { + wil_err(wil, "unsupported iftype %d\n", type); + return ERR_PTR(-EINVAL); + } + + if (wil->p2p_wdev) { + wil_err(wil, "P2P_DEVICE interface already created\n"); + return ERR_PTR(-EINVAL); + } + + p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL); + if (!p2p_wdev) + return ERR_PTR(-ENOMEM); + + p2p_wdev->iftype = type; + p2p_wdev->wiphy = wiphy; + /* use our primary ethernet address */ + ether_addr_copy(p2p_wdev->address, ndev->perm_addr); + + wil->p2p_wdev = p2p_wdev; + + return p2p_wdev; +} + +static int wil_cfg80211_del_iface(struct wiphy *wiphy, + struct wireless_dev *wdev) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + wil_dbg_misc(wil, "del_iface\n"); + + if (wdev != wil->p2p_wdev) { + wil_err(wil, "delete of incorrect interface 0x%p\n", wdev); + return -EINVAL; + } + + wil_p2p_wdev_free(wil); + + return 0; +} + +static int wil_cfg80211_change_iface(struct wiphy *wiphy, + struct net_device *ndev, + enum nl80211_iftype type, u32 *flags, + struct vif_params *params) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wireless_dev *wdev = wil_to_wdev(wil); + int rc; + + wil_dbg_misc(wil, "change_iface: type=%d\n", type); + + if (netif_running(wil_to_ndev(wil)) && !wil_is_recovery_blocked(wil)) { + wil_dbg_misc(wil, "interface is up. resetting...\n"); + mutex_lock(&wil->mutex); + __wil_down(wil); + rc = __wil_up(wil); + mutex_unlock(&wil->mutex); + + if (rc) + return rc; + } + + switch (type) { + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_P2P_GO: + break; + case NL80211_IFTYPE_MONITOR: + if (flags) + wil->monitor_flags = *flags; + else + wil->monitor_flags = 0; + + break; + default: + return -EOPNOTSUPP; + } + + wdev->iftype = type; + + return 0; +} + +static int wil_cfg80211_scan(struct wiphy *wiphy, + struct cfg80211_scan_request *request) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wireless_dev *wdev = request->wdev; + struct { + struct wmi_start_scan_cmd cmd; + u16 chnl[4]; + } __packed cmd; + uint i, n; + int rc; + + wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype); + + /* check we are client side */ + switch (wdev->iftype) { + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_P2P_DEVICE: + break; + default: + return -EOPNOTSUPP; + } + + /* FW don't support scan after connection attempt */ + if (test_bit(wil_status_dontscan, wil->status)) { + wil_err(wil, "Can't scan now\n"); + return -EBUSY; + } + + mutex_lock(&wil->mutex); + + mutex_lock(&wil->p2p_wdev_mutex); + if (wil->scan_request || wil->p2p.discovery_started) { + wil_err(wil, "Already scanning\n"); + mutex_unlock(&wil->p2p_wdev_mutex); + rc = -EAGAIN; + goto out; + } + mutex_unlock(&wil->p2p_wdev_mutex); + + /* social scan on P2P_DEVICE is handled as p2p search */ + if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE && + wil_p2p_is_social_scan(request)) { + if (!wil->p2p.p2p_dev_started) { + wil_err(wil, "P2P search requested on stopped P2P device\n"); + rc = -EIO; + goto out; + } + wil->scan_request = request; + wil->radio_wdev = wdev; + rc = wil_p2p_search(wil, request); + if (rc) { + wil->radio_wdev = wil_to_wdev(wil); + wil->scan_request = NULL; + } + goto out; + } + + (void)wil_p2p_stop_discovery(wil); + + wil_dbg_misc(wil, "Start scan_request 0x%p\n", request); + wil_dbg_misc(wil, "SSID count: %d", request->n_ssids); + + for (i = 0; i < request->n_ssids; i++) { + wil_dbg_misc(wil, "SSID[%d]", i); + print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET, + request->ssids[i].ssid, + request->ssids[i].ssid_len); + } + + if (request->n_ssids) + rc = wmi_set_ssid(wil, request->ssids[0].ssid_len, + request->ssids[0].ssid); + else + rc = wmi_set_ssid(wil, 0, NULL); + + if (rc) { + wil_err(wil, "set SSID for scan request failed: %d\n", rc); + goto out; + } + + wil->scan_request = request; + mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO); + + memset(&cmd, 0, sizeof(cmd)); + cmd.cmd.scan_type = WMI_ACTIVE_SCAN; + cmd.cmd.num_channels = 0; + n = min(request->n_channels, 4U); + for (i = 0; i < n; i++) { + int ch = request->channels[i]->hw_value; + + if (ch == 0) { + wil_err(wil, + "Scan requested for unknown frequency %dMhz\n", + request->channels[i]->center_freq); + continue; + } + /* 0-based channel indexes */ + cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1; + wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch, + request->channels[i]->center_freq); + } + + if (request->ie_len) + print_hex_dump_bytes("Scan IE ", DUMP_PREFIX_OFFSET, + request->ie, request->ie_len); + else + wil_dbg_misc(wil, "Scan has no IE's\n"); + + rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie); + if (rc) + goto out_restore; + + if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) { + cmd.cmd.discovery_mode = 1; + wil_dbg_misc(wil, "active scan with discovery_mode=1\n"); + } + + wil->radio_wdev = wdev; + rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) + + cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0])); + +out_restore: + if (rc) { + del_timer_sync(&wil->scan_timer); + wil->radio_wdev = wil_to_wdev(wil); + wil->scan_request = NULL; + } +out: + mutex_unlock(&wil->mutex); + return rc; +} + +static void wil_cfg80211_abort_scan(struct wiphy *wiphy, + struct wireless_dev *wdev) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype); + + mutex_lock(&wil->mutex); + mutex_lock(&wil->p2p_wdev_mutex); + + if (!wil->scan_request) + goto out; + + if (wdev != wil->scan_request->wdev) { + wil_dbg_misc(wil, "abort scan was called on the wrong iface\n"); + goto out; + } + + if (wil->radio_wdev == wil->p2p_wdev) + wil_p2p_stop_radio_operations(wil); + else + wil_abort_scan(wil, true); + +out: + mutex_unlock(&wil->p2p_wdev_mutex); + mutex_unlock(&wil->mutex); +} + +static void wil_print_crypto(struct wil6210_priv *wil, + struct cfg80211_crypto_settings *c) +{ + int i, n; + + wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n", + c->wpa_versions, c->cipher_group); + wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise); + n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise)); + for (i = 0; i < n; i++) + wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, + c->ciphers_pairwise[i]); + wil_dbg_misc(wil, "}\n"); + wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites); + n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites)); + for (i = 0; i < n; i++) + wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, + c->akm_suites[i]); + wil_dbg_misc(wil, "}\n"); + wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n", + c->control_port, be16_to_cpu(c->control_port_ethertype), + c->control_port_no_encrypt); +} + +static void wil_print_connect_params(struct wil6210_priv *wil, + struct cfg80211_connect_params *sme) +{ + wil_info(wil, "Connecting to:\n"); + if (sme->channel) { + wil_info(wil, " Channel: %d freq %d\n", + sme->channel->hw_value, sme->channel->center_freq); + } + if (sme->bssid) + wil_info(wil, " BSSID: %pM\n", sme->bssid); + if (sme->ssid) + print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET, + 16, 1, sme->ssid, sme->ssid_len, true); + wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open"); + wil_info(wil, " PBSS: %d\n", sme->pbss); + wil_print_crypto(wil, &sme->crypto); +} + +static int wil_cfg80211_connect(struct wiphy *wiphy, + struct net_device *ndev, + struct cfg80211_connect_params *sme) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct cfg80211_bss *bss; + struct wmi_connect_cmd conn; + const u8 *ssid_eid; + const u8 *rsn_eid; + int ch; + int rc = 0; + enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS; + + wil_dbg_misc(wil, "connect\n"); + wil_print_connect_params(wil, sme); + + if (test_bit(wil_status_fwconnecting, wil->status) || + test_bit(wil_status_fwconnected, wil->status)) + return -EALREADY; + + if (sme->ie_len > WMI_MAX_IE_LEN) { + wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len); + return -ERANGE; + } + + rsn_eid = sme->ie ? + cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) : + NULL; + if (sme->privacy && !rsn_eid) + wil_info(wil, "WSC connection\n"); + + if (sme->pbss) + bss_type = IEEE80211_BSS_TYPE_PBSS; + + bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, + sme->ssid, sme->ssid_len, + bss_type, IEEE80211_PRIVACY_ANY); + if (!bss) { + wil_err(wil, "Unable to find BSS\n"); + return -ENOENT; + } + + ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID); + if (!ssid_eid) { + wil_err(wil, "No SSID\n"); + rc = -ENOENT; + goto out; + } + wil->privacy = sme->privacy; + wil->pbss = sme->pbss; + + if (wil->privacy) { + /* For secure assoc, remove old keys */ + rc = wmi_del_cipher_key(wil, 0, bss->bssid, + WMI_KEY_USE_PAIRWISE); + if (rc) { + wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n"); + goto out; + } + rc = wmi_del_cipher_key(wil, 0, bss->bssid, + WMI_KEY_USE_RX_GROUP); + if (rc) { + wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n"); + goto out; + } + } + + /* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info + * elements. Send it also in case it's empty, to erase previously set + * ies in FW. + */ + rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie); + if (rc) + goto out; + + /* WMI_CONNECT_CMD */ + memset(&conn, 0, sizeof(conn)); + switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) { + case WLAN_CAPABILITY_DMG_TYPE_AP: + conn.network_type = WMI_NETTYPE_INFRA; + break; + case WLAN_CAPABILITY_DMG_TYPE_PBSS: + conn.network_type = WMI_NETTYPE_P2P; + break; + default: + wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n", + bss->capability); + goto out; + } + if (wil->privacy) { + if (rsn_eid) { /* regular secure connection */ + conn.dot11_auth_mode = WMI_AUTH11_SHARED; + conn.auth_mode = WMI_AUTH_WPA2_PSK; + conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP; + conn.pairwise_crypto_len = 16; + conn.group_crypto_type = WMI_CRYPT_AES_GCMP; + conn.group_crypto_len = 16; + } else { /* WSC */ + conn.dot11_auth_mode = WMI_AUTH11_WSC; + conn.auth_mode = WMI_AUTH_NONE; + } + } else { /* insecure connection */ + conn.dot11_auth_mode = WMI_AUTH11_OPEN; + conn.auth_mode = WMI_AUTH_NONE; + } + + conn.ssid_len = min_t(u8, ssid_eid[1], 32); + memcpy(conn.ssid, ssid_eid+2, conn.ssid_len); + + ch = bss->channel->hw_value; + if (ch == 0) { + wil_err(wil, "BSS at unknown frequency %dMhz\n", + bss->channel->center_freq); + rc = -EOPNOTSUPP; + goto out; + } + conn.channel = ch - 1; + + ether_addr_copy(conn.bssid, bss->bssid); + ether_addr_copy(conn.dst_mac, bss->bssid); + + set_bit(wil_status_fwconnecting, wil->status); + + rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn)); + if (rc == 0) { + netif_carrier_on(ndev); + /* Connect can take lots of time */ + mod_timer(&wil->connect_timer, + jiffies + msecs_to_jiffies(2000)); + } else { + clear_bit(wil_status_fwconnecting, wil->status); + } + + out: + cfg80211_put_bss(wiphy, bss); + + return rc; +} + +static int wil_cfg80211_disconnect(struct wiphy *wiphy, + struct net_device *ndev, + u16 reason_code) +{ + int rc; + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + wil_dbg_misc(wil, "disconnect: reason=%d\n", reason_code); + + if (!(test_bit(wil_status_fwconnecting, wil->status) || + test_bit(wil_status_fwconnected, wil->status))) { + wil_err(wil, "Disconnect was called while disconnected\n"); + return 0; + } + + rc = wmi_call(wil, WMI_DISCONNECT_CMDID, NULL, 0, + WMI_DISCONNECT_EVENTID, NULL, 0, + WIL6210_DISCONNECT_TO_MS); + if (rc) + wil_err(wil, "disconnect error %d\n", rc); + + return rc; +} + +static int wil_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + int rc; + + /* these parameters are explicitly not supported */ + if (changed & (WIPHY_PARAM_RETRY_LONG | + WIPHY_PARAM_FRAG_THRESHOLD | + WIPHY_PARAM_RTS_THRESHOLD)) + return -ENOTSUPP; + + if (changed & WIPHY_PARAM_RETRY_SHORT) { + rc = wmi_set_mgmt_retry(wil, wiphy->retry_short); + if (rc) + return rc; + } + + return 0; +} + +int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, + struct cfg80211_mgmt_tx_params *params, + u64 *cookie) +{ + const u8 *buf = params->buf; + size_t len = params->len; + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + int rc; + bool tx_status = false; + struct ieee80211_mgmt *mgmt_frame = (void *)buf; + struct wmi_sw_tx_req_cmd *cmd; + struct { + struct wmi_cmd_hdr wmi; + struct wmi_sw_tx_complete_event evt; + } __packed evt; + + /* Note, currently we do not support the "wait" parameter, user-space + * must call remain_on_channel before mgmt_tx or listen on a channel + * another way (AP/PCP or connected station) + * in addition we need to check if specified "chan" argument is + * different from currently "listened" channel and fail if it is. + */ + + wil_dbg_misc(wil, "mgmt_tx\n"); + print_hex_dump_bytes("mgmt tx frame ", DUMP_PREFIX_OFFSET, buf, len); + + cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL); + if (!cmd) { + rc = -ENOMEM; + goto out; + } + + memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN); + cmd->len = cpu_to_le16(len); + memcpy(cmd->payload, buf, len); + + rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len, + WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000); + if (rc == 0) + tx_status = !evt.evt.status; + + kfree(cmd); + out: + cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len, + tx_status, GFP_KERNEL); + return rc; +} + +static int wil_cfg80211_set_channel(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wireless_dev *wdev = wil_to_wdev(wil); + + wdev->preset_chandef = *chandef; + + return 0; +} + +static enum wmi_key_usage wil_detect_key_usage(struct wil6210_priv *wil, + bool pairwise) +{ + struct wireless_dev *wdev = wil_to_wdev(wil); + enum wmi_key_usage rc; + + if (pairwise) { + rc = WMI_KEY_USE_PAIRWISE; + } else { + switch (wdev->iftype) { + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: + rc = WMI_KEY_USE_RX_GROUP; + break; + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_GO: + rc = WMI_KEY_USE_TX_GROUP; + break; + default: + /* TODO: Rx GTK or Tx GTK? */ + wil_err(wil, "Can't determine GTK type\n"); + rc = WMI_KEY_USE_RX_GROUP; + break; + } + } + wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]); + + return rc; +} + +static struct wil_sta_info * +wil_find_sta_by_key_usage(struct wil6210_priv *wil, + enum wmi_key_usage key_usage, const u8 *mac_addr) +{ + int cid = -EINVAL; + + if (key_usage == WMI_KEY_USE_TX_GROUP) + return NULL; /* not needed */ + + /* supplicant provides Rx group key in STA mode with NULL MAC address */ + if (mac_addr) + cid = wil_find_cid(wil, mac_addr); + else if (key_usage == WMI_KEY_USE_RX_GROUP) + cid = wil_find_cid_by_idx(wil, 0); + if (cid < 0) { + wil_err(wil, "No CID for %pM %s\n", mac_addr, + key_usage_str[key_usage]); + return ERR_PTR(cid); + } + + return &wil->sta[cid]; +} + +static void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage, + struct wil_sta_info *cs, + struct key_params *params) +{ + struct wil_tid_crypto_rx_single *cc; + int tid; + + if (!cs) + return; + + switch (key_usage) { + case WMI_KEY_USE_PAIRWISE: + for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { + cc = &cs->tid_crypto_rx[tid].key_id[key_index]; + if (params->seq) + memcpy(cc->pn, params->seq, + IEEE80211_GCMP_PN_LEN); + else + memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); + cc->key_set = true; + } + break; + case WMI_KEY_USE_RX_GROUP: + cc = &cs->group_crypto_rx.key_id[key_index]; + if (params->seq) + memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN); + else + memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); + cc->key_set = true; + break; + default: + break; + } +} + +static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage, + struct wil_sta_info *cs) +{ + struct wil_tid_crypto_rx_single *cc; + int tid; + + if (!cs) + return; + + switch (key_usage) { + case WMI_KEY_USE_PAIRWISE: + for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { + cc = &cs->tid_crypto_rx[tid].key_id[key_index]; + cc->key_set = false; + } + break; + case WMI_KEY_USE_RX_GROUP: + cc = &cs->group_crypto_rx.key_id[key_index]; + cc->key_set = false; + break; + default: + break; + } +} + +static int wil_cfg80211_add_key(struct wiphy *wiphy, + struct net_device *ndev, + u8 key_index, bool pairwise, + const u8 *mac_addr, + struct key_params *params) +{ + int rc; + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise); + struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, key_usage, + mac_addr); + + if (!params) { + wil_err(wil, "NULL params\n"); + return -EINVAL; + } + + wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n", + mac_addr, key_usage_str[key_usage], key_index, + params->seq_len, params->seq); + + if (IS_ERR(cs)) { + wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n", + mac_addr, key_usage_str[key_usage], key_index, + params->seq_len, params->seq); + return -EINVAL; + } + + wil_del_rx_key(key_index, key_usage, cs); + + if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) { + wil_err(wil, + "Wrong PN len %d, %pM %s[%d] PN %*phN\n", + params->seq_len, mac_addr, + key_usage_str[key_usage], key_index, + params->seq_len, params->seq); + return -EINVAL; + } + + rc = wmi_add_cipher_key(wil, key_index, mac_addr, params->key_len, + params->key, key_usage); + if (!rc) + wil_set_crypto_rx(key_index, key_usage, cs, params); + + return rc; +} + +static int wil_cfg80211_del_key(struct wiphy *wiphy, + struct net_device *ndev, + u8 key_index, bool pairwise, + const u8 *mac_addr) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise); + struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, key_usage, + mac_addr); + + wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr, + key_usage_str[key_usage], key_index); + + if (IS_ERR(cs)) + wil_info(wil, "Not connected, %pM %s[%d]\n", + mac_addr, key_usage_str[key_usage], key_index); + + if (!IS_ERR_OR_NULL(cs)) + wil_del_rx_key(key_index, key_usage, cs); + + return wmi_del_cipher_key(wil, key_index, mac_addr, key_usage); +} + +/* Need to be present or wiphy_new() will WARN */ +static int wil_cfg80211_set_default_key(struct wiphy *wiphy, + struct net_device *ndev, + u8 key_index, bool unicast, + bool multicast) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + wil_dbg_misc(wil, "set_default_key: entered\n"); + return 0; +} + +static int wil_remain_on_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, + struct ieee80211_channel *chan, + unsigned int duration, + u64 *cookie) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + int rc; + + wil_dbg_misc(wil, + "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n", + chan->center_freq, duration, wdev->iftype); + + rc = wil_p2p_listen(wil, wdev, duration, chan, cookie); + return rc; +} + +static int wil_cancel_remain_on_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, + u64 cookie) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + wil_dbg_misc(wil, "cancel_remain_on_channel\n"); + + return wil_p2p_cancel_listen(wil, cookie); +} + +/** + * find a specific IE in a list of IEs + * return a pointer to the beginning of IE in the list + * or NULL if not found + */ +static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie, + u16 ie_len) +{ + struct ieee80211_vendor_ie *vie; + u32 oui; + + /* IE tag at offset 0, length at offset 1 */ + if (ie_len < 2 || 2 + ie[1] > ie_len) + return NULL; + + if (ie[0] != WLAN_EID_VENDOR_SPECIFIC) + return cfg80211_find_ie(ie[0], ies, ies_len); + + /* make sure there is room for 3 bytes OUI + 1 byte OUI type */ + if (ie[1] < 4) + return NULL; + vie = (struct ieee80211_vendor_ie *)ie; + oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2]; + return cfg80211_find_vendor_ie(oui, vie->oui_type, ies, + ies_len); +} + +/** + * merge the IEs in two lists into a single list. + * do not include IEs from the second list which exist in the first list. + * add only vendor specific IEs from second list to keep + * the merged list sorted (since vendor-specific IE has the + * highest tag number) + * caller must free the allocated memory for merged IEs + */ +static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len, + const u8 *ies2, u16 ies2_len, + u8 **merged_ies, u16 *merged_len) +{ + u8 *buf, *dpos; + const u8 *spos; + + if (ies1_len == 0 && ies2_len == 0) { + *merged_ies = NULL; + *merged_len = 0; + return 0; + } + + buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + memcpy(buf, ies1, ies1_len); + dpos = buf + ies1_len; + spos = ies2; + while (spos + 1 < ies2 + ies2_len) { + /* IE tag at offset 0, length at offset 1 */ + u16 ielen = 2 + spos[1]; + + if (spos + ielen > ies2 + ies2_len) + break; + if (spos[0] == WLAN_EID_VENDOR_SPECIFIC && + !_wil_cfg80211_find_ie(ies1, ies1_len, spos, ielen)) { + memcpy(dpos, spos, ielen); + dpos += ielen; + } + spos += ielen; + } + + *merged_ies = buf; + *merged_len = dpos - buf; + return 0; +} + +static void wil_print_bcon_data(struct cfg80211_beacon_data *b) +{ + print_hex_dump_bytes("head ", DUMP_PREFIX_OFFSET, + b->head, b->head_len); + print_hex_dump_bytes("tail ", DUMP_PREFIX_OFFSET, + b->tail, b->tail_len); + print_hex_dump_bytes("BCON IE ", DUMP_PREFIX_OFFSET, + b->beacon_ies, b->beacon_ies_len); + print_hex_dump_bytes("PROBE ", DUMP_PREFIX_OFFSET, + b->probe_resp, b->probe_resp_len); + print_hex_dump_bytes("PROBE IE ", DUMP_PREFIX_OFFSET, + b->proberesp_ies, b->proberesp_ies_len); + print_hex_dump_bytes("ASSOC IE ", DUMP_PREFIX_OFFSET, + b->assocresp_ies, b->assocresp_ies_len); +} + +/* internal functions for device reset and starting AP */ +static int _wil_cfg80211_set_ies(struct wiphy *wiphy, + struct cfg80211_beacon_data *bcon) +{ + int rc; + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + u16 len = 0, proberesp_len = 0; + u8 *ies = NULL, *proberesp = NULL; + + if (bcon->probe_resp) { + struct ieee80211_mgmt *f = + (struct ieee80211_mgmt *)bcon->probe_resp; + size_t hlen = offsetof(struct ieee80211_mgmt, + u.probe_resp.variable); + proberesp = f->u.probe_resp.variable; + proberesp_len = bcon->probe_resp_len - hlen; + } + rc = _wil_cfg80211_merge_extra_ies(proberesp, + proberesp_len, + bcon->proberesp_ies, + bcon->proberesp_ies_len, + &ies, &len); + + if (rc) + goto out; + + rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, len, ies); + if (rc) + goto out; + + if (bcon->assocresp_ies) + rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, + bcon->assocresp_ies_len, bcon->assocresp_ies); + else + rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, len, ies); +#if 0 /* to use beacon IE's, remove this #if 0 */ + if (rc) + goto out; + + rc = wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->tail_len, bcon->tail); +#endif +out: + kfree(ies); + return rc; +} + +static int _wil_cfg80211_start_ap(struct wiphy *wiphy, + struct net_device *ndev, + const u8 *ssid, size_t ssid_len, u32 privacy, + int bi, u8 chan, + struct cfg80211_beacon_data *bcon, + u8 hidden_ssid, u32 pbss) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + int rc; + struct wireless_dev *wdev = ndev->ieee80211_ptr; + u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype); + u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO); + + if (pbss) + wmi_nettype = WMI_NETTYPE_P2P; + + wil_dbg_misc(wil, "start_ap: is_go=%d\n", is_go); + if (is_go && !pbss) { + wil_err(wil, "P2P GO must be in PBSS\n"); + return -ENOTSUPP; + } + + wil_set_recovery_state(wil, fw_recovery_idle); + + mutex_lock(&wil->mutex); + + __wil_down(wil); + rc = __wil_up(wil); + if (rc) + goto out; + + rc = wmi_set_ssid(wil, ssid_len, ssid); + if (rc) + goto out; + + rc = _wil_cfg80211_set_ies(wiphy, bcon); + if (rc) + goto out; + + wil->privacy = privacy; + wil->channel = chan; + wil->hidden_ssid = hidden_ssid; + wil->pbss = pbss; + + netif_carrier_on(ndev); + + rc = wmi_pcp_start(wil, bi, wmi_nettype, chan, hidden_ssid, is_go); + if (rc) + goto err_pcp_start; + + rc = wil_bcast_init(wil); + if (rc) + goto err_bcast; + + goto out; /* success */ + +err_bcast: + wmi_pcp_stop(wil); +err_pcp_start: + netif_carrier_off(ndev); +out: + mutex_unlock(&wil->mutex); + return rc; +} + +static int wil_cfg80211_change_beacon(struct wiphy *wiphy, + struct net_device *ndev, + struct cfg80211_beacon_data *bcon) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + int rc; + u32 privacy = 0; + + wil_dbg_misc(wil, "change_beacon\n"); + wil_print_bcon_data(bcon); + + if (bcon->tail && + cfg80211_find_ie(WLAN_EID_RSN, bcon->tail, + bcon->tail_len)) + privacy = 1; + + /* in case privacy has changed, need to restart the AP */ + if (wil->privacy != privacy) { + struct wireless_dev *wdev = ndev->ieee80211_ptr; + + wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n", + wil->privacy, privacy); + + rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid, + wdev->ssid_len, privacy, + wdev->beacon_interval, + wil->channel, bcon, + wil->hidden_ssid, + wil->pbss); + } else { + rc = _wil_cfg80211_set_ies(wiphy, bcon); + } + + return rc; +} + +static int wil_cfg80211_start_ap(struct wiphy *wiphy, + struct net_device *ndev, + struct cfg80211_ap_settings *info) +{ + int rc; + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct ieee80211_channel *channel = info->chandef.chan; + struct cfg80211_beacon_data *bcon = &info->beacon; + struct cfg80211_crypto_settings *crypto = &info->crypto; + u8 hidden_ssid; + + wil_dbg_misc(wil, "start_ap\n"); + + if (!channel) { + wil_err(wil, "AP: No channel???\n"); + return -EINVAL; + } + + switch (info->hidden_ssid) { + case NL80211_HIDDEN_SSID_NOT_IN_USE: + hidden_ssid = WMI_HIDDEN_SSID_DISABLED; + break; + + case NL80211_HIDDEN_SSID_ZERO_LEN: + hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY; + break; + + case NL80211_HIDDEN_SSID_ZERO_CONTENTS: + hidden_ssid = WMI_HIDDEN_SSID_CLEAR; + break; + + default: + wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid); + return -EOPNOTSUPP; + } + wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value, + channel->center_freq, info->privacy ? "secure" : "open"); + wil_dbg_misc(wil, "Privacy: %d auth_type %d\n", + info->privacy, info->auth_type); + wil_dbg_misc(wil, "Hidden SSID mode: %d\n", + info->hidden_ssid); + wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval, + info->dtim_period); + wil_dbg_misc(wil, "PBSS %d\n", info->pbss); + print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET, + info->ssid, info->ssid_len); + wil_print_bcon_data(bcon); + wil_print_crypto(wil, crypto); + + rc = _wil_cfg80211_start_ap(wiphy, ndev, + info->ssid, info->ssid_len, info->privacy, + info->beacon_interval, channel->hw_value, + bcon, hidden_ssid, info->pbss); + + return rc; +} + +static int wil_cfg80211_stop_ap(struct wiphy *wiphy, + struct net_device *ndev) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + wil_dbg_misc(wil, "stop_ap\n"); + + netif_carrier_off(ndev); + wil_set_recovery_state(wil, fw_recovery_idle); + + mutex_lock(&wil->mutex); + + wmi_pcp_stop(wil); + + __wil_down(wil); + + mutex_unlock(&wil->mutex); + + return 0; +} + +static int wil_cfg80211_add_station(struct wiphy *wiphy, + struct net_device *dev, + const u8 *mac, + struct station_parameters *params) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + wil_dbg_misc(wil, "add station %pM aid %d\n", mac, params->aid); + + if (!disable_ap_sme) { + wil_err(wil, "not supported with AP SME enabled\n"); + return -EOPNOTSUPP; + } + + if (params->aid > WIL_MAX_DMG_AID) { + wil_err(wil, "invalid aid\n"); + return -EINVAL; + } + + return wmi_new_sta(wil, mac, params->aid); +} + +static int wil_cfg80211_del_station(struct wiphy *wiphy, + struct net_device *dev, + struct station_del_parameters *params) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + wil_dbg_misc(wil, "del_station: %pM, reason=%d\n", params->mac, + params->reason_code); + + mutex_lock(&wil->mutex); + wil6210_disconnect(wil, params->mac, params->reason_code, false); + mutex_unlock(&wil->mutex); + + return 0; +} + +static int wil_cfg80211_change_station(struct wiphy *wiphy, + struct net_device *dev, + const u8 *mac, + struct station_parameters *params) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + int authorize; + int cid, i; + struct vring_tx_data *txdata = NULL; + + wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x\n", mac, + params->sta_flags_mask, params->sta_flags_set); + + if (!disable_ap_sme) { + wil_dbg_misc(wil, "not supported with AP SME enabled\n"); + return -EOPNOTSUPP; + } + + if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) + return 0; + + cid = wil_find_cid(wil, mac); + if (cid < 0) { + wil_err(wil, "station not found\n"); + return -ENOLINK; + } + + for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++) + if (wil->vring2cid_tid[i][0] == cid) { + txdata = &wil->vring_tx_data[i]; + break; + } + + if (!txdata) { + wil_err(wil, "vring data not found\n"); + return -ENOLINK; + } + + authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED); + txdata->dot1x_open = authorize ? 1 : 0; + wil_dbg_misc(wil, "cid %d vring %d authorize %d\n", cid, i, + txdata->dot1x_open); + + return 0; +} + +/* probe_client handling */ +static void wil_probe_client_handle(struct wil6210_priv *wil, + struct wil_probe_client_req *req) +{ + struct net_device *ndev = wil_to_ndev(wil); + struct wil_sta_info *sta = &wil->sta[req->cid]; + /* assume STA is alive if it is still connected, + * else FW will disconnect it + */ + bool alive = (sta->status == wil_sta_connected); + + cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, GFP_KERNEL); +} + +static struct list_head *next_probe_client(struct wil6210_priv *wil) +{ + struct list_head *ret = NULL; + + mutex_lock(&wil->probe_client_mutex); + + if (!list_empty(&wil->probe_client_pending)) { + ret = wil->probe_client_pending.next; + list_del(ret); + } + + mutex_unlock(&wil->probe_client_mutex); + + return ret; +} + +void wil_probe_client_worker(struct work_struct *work) +{ + struct wil6210_priv *wil = container_of(work, struct wil6210_priv, + probe_client_worker); + struct wil_probe_client_req *req; + struct list_head *lh; + + while ((lh = next_probe_client(wil)) != NULL) { + req = list_entry(lh, struct wil_probe_client_req, list); + + wil_probe_client_handle(wil, req); + kfree(req); + } +} + +void wil_probe_client_flush(struct wil6210_priv *wil) +{ + struct wil_probe_client_req *req, *t; + + wil_dbg_misc(wil, "probe_client_flush\n"); + + mutex_lock(&wil->probe_client_mutex); + + list_for_each_entry_safe(req, t, &wil->probe_client_pending, list) { + list_del(&req->list); + kfree(req); + } + + mutex_unlock(&wil->probe_client_mutex); +} + +static int wil_cfg80211_probe_client(struct wiphy *wiphy, + struct net_device *dev, + const u8 *peer, u64 *cookie) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wil_probe_client_req *req; + int cid = wil_find_cid(wil, peer); + + wil_dbg_misc(wil, "probe_client: %pM => CID %d\n", peer, cid); + + if (cid < 0) + return -ENOLINK; + + req = kzalloc(sizeof(*req), GFP_KERNEL); + if (!req) + return -ENOMEM; + + req->cid = cid; + req->cookie = cid; + + mutex_lock(&wil->probe_client_mutex); + list_add_tail(&req->list, &wil->probe_client_pending); + mutex_unlock(&wil->probe_client_mutex); + + *cookie = req->cookie; + queue_work(wil->wq_service, &wil->probe_client_worker); + return 0; +} + +static int wil_cfg80211_change_bss(struct wiphy *wiphy, + struct net_device *dev, + struct bss_parameters *params) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + if (params->ap_isolate >= 0) { + wil_dbg_misc(wil, "change_bss: ap_isolate %d => %d\n", + wil->ap_isolate, params->ap_isolate); + wil->ap_isolate = params->ap_isolate; + } + + return 0; +} + +static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy, + struct wireless_dev *wdev) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + wil_dbg_misc(wil, "start_p2p_device: entered\n"); + wil->p2p.p2p_dev_started = 1; + return 0; +} + +static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy, + struct wireless_dev *wdev) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wil_p2p_info *p2p = &wil->p2p; + + if (!p2p->p2p_dev_started) + return; + + wil_dbg_misc(wil, "stop_p2p_device: entered\n"); + mutex_lock(&wil->mutex); + mutex_lock(&wil->p2p_wdev_mutex); + wil_p2p_stop_radio_operations(wil); + p2p->p2p_dev_started = 0; + mutex_unlock(&wil->p2p_wdev_mutex); + mutex_unlock(&wil->mutex); +} + +static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy, + struct net_device *dev, + bool enabled, int timeout) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + enum wmi_ps_profile_type ps_profile; + int rc; + + if (!test_bit(WMI_FW_CAPABILITY_PS_CONFIG, wil->fw_capabilities)) { + wil_err(wil, "set_power_mgmt not supported\n"); + return -EOPNOTSUPP; + } + + wil_dbg_misc(wil, "enabled=%d, timeout=%d\n", + enabled, timeout); + + if (enabled) + ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT; + else + ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED; + + rc = wmi_ps_dev_profile_cfg(wil, ps_profile); + if (rc) + wil_err(wil, "wmi_ps_dev_profile_cfg failed (%d)\n", rc); + + return rc; +} + +static const struct cfg80211_ops wil_cfg80211_ops = { + .add_virtual_intf = wil_cfg80211_add_iface, + .del_virtual_intf = wil_cfg80211_del_iface, + .scan = wil_cfg80211_scan, + .abort_scan = wil_cfg80211_abort_scan, + .connect = wil_cfg80211_connect, + .disconnect = wil_cfg80211_disconnect, + .set_wiphy_params = wil_cfg80211_set_wiphy_params, + .change_virtual_intf = wil_cfg80211_change_iface, + .get_station = wil_cfg80211_get_station, + .dump_station = wil_cfg80211_dump_station, + .remain_on_channel = wil_remain_on_channel, + .cancel_remain_on_channel = wil_cancel_remain_on_channel, + .mgmt_tx = wil_cfg80211_mgmt_tx, + .set_monitor_channel = wil_cfg80211_set_channel, + .add_key = wil_cfg80211_add_key, + .del_key = wil_cfg80211_del_key, + .set_default_key = wil_cfg80211_set_default_key, + /* AP mode */ + .change_beacon = wil_cfg80211_change_beacon, + .start_ap = wil_cfg80211_start_ap, + .stop_ap = wil_cfg80211_stop_ap, + .add_station = wil_cfg80211_add_station, + .del_station = wil_cfg80211_del_station, + .change_station = wil_cfg80211_change_station, + .probe_client = wil_cfg80211_probe_client, + .change_bss = wil_cfg80211_change_bss, + /* P2P device */ + .start_p2p_device = wil_cfg80211_start_p2p_device, + .stop_p2p_device = wil_cfg80211_stop_p2p_device, + .set_power_mgmt = wil_cfg80211_set_power_mgmt, +}; + +static void wil_wiphy_init(struct wiphy *wiphy) +{ + wiphy->max_scan_ssids = 1; + wiphy->max_scan_ie_len = WMI_MAX_IE_LEN; + wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS; + wiphy->max_num_pmkids = 0 /* TODO: */; + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_P2P_DEVICE) | + BIT(NL80211_IFTYPE_MONITOR); + wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | + WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | + WIPHY_FLAG_PS_ON_BY_DEFAULT; + if (!disable_ap_sme) + wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME; + dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n", + __func__, wiphy->flags); + wiphy->probe_resp_offload = + NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | + NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | + NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; + + wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz; + + /* TODO: figure this out */ + wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; + + wiphy->cipher_suites = wil_cipher_suites; + wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites); + wiphy->mgmt_stypes = wil_mgmt_stypes; + wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; +} + +struct wireless_dev *wil_cfg80211_init(struct device *dev) +{ + int rc = 0; + struct wireless_dev *wdev; + + dev_dbg(dev, "%s()\n", __func__); + + wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); + if (!wdev) + return ERR_PTR(-ENOMEM); + + wdev->wiphy = wiphy_new(&wil_cfg80211_ops, + sizeof(struct wil6210_priv)); + if (!wdev->wiphy) { + rc = -ENOMEM; + goto out; + } + + set_wiphy_dev(wdev->wiphy, dev); + wil_wiphy_init(wdev->wiphy); + + return wdev; + +out: + kfree(wdev); + + return ERR_PTR(rc); +} + +void wil_wdev_free(struct wil6210_priv *wil) +{ + struct wireless_dev *wdev = wil_to_wdev(wil); + + dev_dbg(wil_to_dev(wil), "%s()\n", __func__); + + if (!wdev) + return; + + wiphy_free(wdev->wiphy); + kfree(wdev); +} + +void wil_p2p_wdev_free(struct wil6210_priv *wil) +{ + struct wireless_dev *p2p_wdev; + + mutex_lock(&wil->p2p_wdev_mutex); + p2p_wdev = wil->p2p_wdev; + wil->p2p_wdev = NULL; + wil->radio_wdev = wil_to_wdev(wil); + mutex_unlock(&wil->p2p_wdev_mutex); + if (p2p_wdev) { + cfg80211_unregister_wdev(p2p_wdev); + kfree(p2p_wdev); + } +} -- cgit v1.2.3