* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
+ * Copyright (C) 2015 Intel Deutschland GmbH
*
* 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
#include <linux/etherdevice.h>
#include <linux/moduleparam.h>
#include <linux/rtnetlink.h>
-#include <linux/pm_qos.h>
#include <linux/crc32.h>
#include <linux/slab.h>
#include <linux/export.h>
"Maximum time(ms) to wait for probe response"
" before disconnecting (reason 4).");
-/*
- * Weight given to the latest Beacon frame when calculating average signal
- * strength for Beacon frames received in the current BSS. This must be
- * between 1 and 15.
- */
-#define IEEE80211_SIGNAL_AVE_WEIGHT 3
-
/*
* How many Beacon frames need to have been used in average signal strength
* before starting to indicate signal change events.
if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
return;
- if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR)
+ if (ieee80211_hw_check(&sdata->local->hw, CONNECTION_MONITOR))
return;
mod_timer(&sdata->u.mgd.bcn_mon_timer,
ifmgd->probe_send_count = 0;
- if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR)
+ if (ieee80211_hw_check(&sdata->local->hw, CONNECTION_MONITOR))
return;
mod_timer(&sdata->u.mgd.conn_mon_timer,
ieee80211_ie_build_ht_cap(pos, &ht_cap, cap);
}
+/* This function determines vht capability flags for the association
+ * and builds the IE.
+ * Note - the function may set the owner of the MU-MIMO capability
+ */
static void ieee80211_add_vht_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb,
struct ieee80211_supported_band *sband,
struct ieee80211_vht_cap *ap_vht_cap)
{
+ struct ieee80211_local *local = sdata->local;
u8 *pos;
u32 cap;
struct ieee80211_sta_vht_cap vht_cap;
*/
if (!(ap_vht_cap->vht_cap_info &
cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)))
- cap &= ~IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
+ cap &= ~(IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
+ IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
+ else if (!(ap_vht_cap->vht_cap_info &
+ cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)))
+ cap &= ~IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
+
+ /*
+ * If some other vif is using the MU-MIMO capablity we cannot associate
+ * using MU-MIMO - this will lead to contradictions in the group-id
+ * mechanism.
+ * Ownership is defined since association request, in order to avoid
+ * simultaneous associations with MU-MIMO.
+ */
+ if (cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) {
+ bool disable_mu_mimo = false;
+ struct ieee80211_sub_if_data *other;
+
+ list_for_each_entry_rcu(other, &local->interfaces, list) {
+ if (other->flags & IEEE80211_SDATA_MU_MIMO_OWNER) {
+ disable_mu_mimo = true;
+ break;
+ }
+ }
+ if (disable_mu_mimo)
+ cap &= ~IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
+ else
+ sdata->flags |= IEEE80211_SDATA_MU_MIMO_OWNER;
+ }
mask = IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
capab = WLAN_CAPABILITY_ESS;
if (sband->band == IEEE80211_BAND_2GHZ) {
- if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
- capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
- if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
- capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
+ capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
+ capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
}
if (assoc_data->capability & WLAN_CAPABILITY_PRIVACY)
capab |= WLAN_CAPABILITY_PRIVACY;
if ((assoc_data->capability & WLAN_CAPABILITY_SPECTRUM_MGMT) &&
- (local->hw.flags & IEEE80211_HW_SPECTRUM_MGMT))
+ ieee80211_hw_check(&local->hw, SPECTRUM_MGMT))
capab |= WLAN_CAPABILITY_SPECTRUM_MGMT;
if (ifmgd->flags & IEEE80211_STA_ENABLE_RRM)
drv_mgd_prepare_tx(local, sdata);
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
- if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
+ if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
IEEE80211_TX_INTFL_MLME_CONN_TX;
ieee80211_tx_skb(sdata, skb);
void ieee80211_send_nullfunc(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
- int powersave)
+ bool powersave)
{
struct sk_buff *skb;
struct ieee80211_hdr_3addr *nullfunc;
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT |
IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
- if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
+ if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
if (ifmgd->flags & IEEE80211_STA_CONNECTION_POLL)
return;
}
+ /*
+ * Drop all TDLS peers - either we disconnect or move to a different
+ * channel from this point on. There's no telling what our peer will do.
+ * The TDLS WIDER_BW scenario is also problematic, as peers might now
+ * have an incompatible wider chandef.
+ */
+ ieee80211_teardown_tdls_peers(sdata);
+
mutex_lock(&local->mtx);
mutex_lock(&local->chanctx_mtx);
conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
chanctx = container_of(conf, struct ieee80211_chanctx, conf);
if (local->use_chanctx &&
- !(local->hw.flags & IEEE80211_HW_CHANCTX_STA_CSA)) {
+ !ieee80211_hw_check(&local->hw, CHANCTX_STA_CSA)) {
sdata_info(sdata,
"driver doesn't support chan-switch with channel contexts\n");
goto drop_connection;
*/
if (has_80211h_pwr &&
(!has_cisco_pwr || pwr_level_80211h <= pwr_level_cisco)) {
+ new_ap_level = pwr_level_80211h;
+
+ if (sdata->ap_power_level == new_ap_level)
+ return 0;
+
sdata_dbg(sdata,
"Limiting TX power to %d (%d - %d) dBm as advertised by %pM\n",
pwr_level_80211h, chan_pwr, pwr_reduction_80211h,
sdata->u.mgd.bssid);
- new_ap_level = pwr_level_80211h;
} else { /* has_cisco_pwr is always true here. */
+ new_ap_level = pwr_level_cisco;
+
+ if (sdata->ap_power_level == new_ap_level)
+ return 0;
+
sdata_dbg(sdata,
"Limiting TX power to %d dBm as advertised by %pM\n",
pwr_level_cisco, sdata->u.mgd.bssid);
- new_ap_level = pwr_level_cisco;
}
- if (sdata->ap_power_level == new_ap_level)
- return 0;
-
sdata->ap_power_level = new_ap_level;
if (__ieee80211_recalc_txpower(sdata))
return BSS_CHANGED_TXPOWER;
return;
if (conf->dynamic_ps_timeout > 0 &&
- !(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)) {
+ !ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) {
mod_timer(&local->dynamic_ps_timer, jiffies +
msecs_to_jiffies(conf->dynamic_ps_timeout));
} else {
- if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
- ieee80211_send_nullfunc(local, sdata, 1);
+ if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK))
+ ieee80211_send_nullfunc(local, sdata, true);
- if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
- (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS))
+ if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) &&
+ ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
return;
conf->flags |= IEEE80211_CONF_PS;
}
/* need to hold RTNL or interface lock */
-void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
+void ieee80211_recalc_ps(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata, *found = NULL;
int count = 0;
int timeout;
- if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) {
+ if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) {
local->ps_sdata = NULL;
return;
}
}
if (count == 1 && ieee80211_powersave_allowed(found)) {
+ u8 dtimper = found->u.mgd.dtim_period;
s32 beaconint_us;
- if (latency < 0)
- latency = pm_qos_request(PM_QOS_NETWORK_LATENCY);
-
beaconint_us = ieee80211_tu_to_usec(
found->vif.bss_conf.beacon_int);
timeout = local->dynamic_ps_forced_timeout;
- if (timeout < 0) {
- /*
- * Go to full PSM if the user configures a very low
- * latency requirement.
- * The 2000 second value is there for compatibility
- * until the PM_QOS_NETWORK_LATENCY is configured
- * with real values.
- */
- if (latency > (1900 * USEC_PER_MSEC) &&
- latency != (2000 * USEC_PER_SEC))
- timeout = 0;
- else
- timeout = 100;
- }
+ if (timeout < 0)
+ timeout = 100;
local->hw.conf.dynamic_ps_timeout = timeout;
- if (beaconint_us > latency) {
- local->ps_sdata = NULL;
- } else {
- int maxslp = 1;
- u8 dtimper = found->u.mgd.dtim_period;
-
- /* If the TIM IE is invalid, pretend the value is 1 */
- if (!dtimper)
- dtimper = 1;
- else if (dtimper > 1)
- maxslp = min_t(int, dtimper,
- latency / beaconint_us);
-
- local->hw.conf.max_sleep_period = maxslp;
- local->hw.conf.ps_dtim_period = dtimper;
- local->ps_sdata = found;
- }
+ /* If the TIM IE is invalid, pretend the value is 1 */
+ if (!dtimper)
+ dtimper = 1;
+
+ local->hw.conf.ps_dtim_period = dtimper;
+ local->ps_sdata = found;
} else {
local->ps_sdata = NULL;
}
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
- if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
+ if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) &&
!(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)) {
if (drv_tx_frames_pending(local)) {
mod_timer(&local->dynamic_ps_timer, jiffies +
msecs_to_jiffies(
local->hw.conf.dynamic_ps_timeout));
} else {
- ieee80211_send_nullfunc(local, sdata, 1);
+ ieee80211_send_nullfunc(local, sdata, true);
/* Flush to get the tx status of nullfunc frame */
ieee80211_flush_queues(local, sdata, false);
}
}
- if (!((local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) &&
- (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)) ||
+ if (!(ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS) &&
+ ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK)) ||
(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)) {
ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
local->hw.conf.flags |= IEEE80211_CONF_PS;
struct ieee80211_sub_if_data *sdata,
const u8 *wmm_param, size_t wmm_param_len)
{
- struct ieee80211_tx_queue_params params;
+ struct ieee80211_tx_queue_params params[IEEE80211_NUM_ACS];
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
size_t left;
- int count;
+ int count, ac;
const u8 *pos;
u8 uapsd_queues = 0;
int aci = (pos[0] >> 5) & 0x03;
int acm = (pos[0] >> 4) & 0x01;
bool uapsd = false;
- int queue;
switch (aci) {
case 1: /* AC_BK */
- queue = 3;
+ ac = IEEE80211_AC_BK;
if (acm)
sdata->wmm_acm |= BIT(1) | BIT(2); /* BK/- */
if (uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK)
uapsd = true;
break;
case 2: /* AC_VI */
- queue = 1;
+ ac = IEEE80211_AC_VI;
if (acm)
sdata->wmm_acm |= BIT(4) | BIT(5); /* CL/VI */
if (uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI)
uapsd = true;
break;
case 3: /* AC_VO */
- queue = 0;
+ ac = IEEE80211_AC_VO;
if (acm)
sdata->wmm_acm |= BIT(6) | BIT(7); /* VO/NC */
if (uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
break;
case 0: /* AC_BE */
default:
- queue = 2;
+ ac = IEEE80211_AC_BE;
if (acm)
sdata->wmm_acm |= BIT(0) | BIT(3); /* BE/EE */
if (uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
break;
}
- params.aifs = pos[0] & 0x0f;
- params.cw_max = ecw2cw((pos[1] & 0xf0) >> 4);
- params.cw_min = ecw2cw(pos[1] & 0x0f);
- params.txop = get_unaligned_le16(pos + 2);
- params.acm = acm;
- params.uapsd = uapsd;
+ params[ac].aifs = pos[0] & 0x0f;
+
+ if (params[ac].aifs < 2) {
+ sdata_info(sdata,
+ "AP has invalid WMM params (AIFSN=%d for ACI %d), will use 2\n",
+ params[ac].aifs, aci);
+ params[ac].aifs = 2;
+ }
+ params[ac].cw_max = ecw2cw((pos[1] & 0xf0) >> 4);
+ params[ac].cw_min = ecw2cw(pos[1] & 0x0f);
+ params[ac].txop = get_unaligned_le16(pos + 2);
+ params[ac].acm = acm;
+ params[ac].uapsd = uapsd;
+
+ if (params[ac].cw_min > params[ac].cw_max) {
+ sdata_info(sdata,
+ "AP has invalid WMM params (CWmin/max=%d/%d for ACI %d), using defaults\n",
+ params[ac].cw_min, params[ac].cw_max, aci);
+ return false;
+ }
+ }
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
mlme_dbg(sdata,
- "WMM queue=%d aci=%d acm=%d aifs=%d cWmin=%d cWmax=%d txop=%d uapsd=%d, downgraded=%d\n",
- queue, aci, acm,
- params.aifs, params.cw_min, params.cw_max,
- params.txop, params.uapsd,
- ifmgd->tx_tspec[queue].downgraded);
- sdata->tx_conf[queue] = params;
- if (!ifmgd->tx_tspec[queue].downgraded &&
- drv_conf_tx(local, sdata, queue, ¶ms))
+ "WMM AC=%d acm=%d aifs=%d cWmin=%d cWmax=%d txop=%d uapsd=%d, downgraded=%d\n",
+ ac, params[ac].acm,
+ params[ac].aifs, params[ac].cw_min, params[ac].cw_max,
+ params[ac].txop, params[ac].uapsd,
+ ifmgd->tx_tspec[ac].downgraded);
+ sdata->tx_conf[ac] = params[ac];
+ if (!ifmgd->tx_tspec[ac].downgraded &&
+ drv_conf_tx(local, sdata, ac, ¶ms[ac]))
sdata_err(sdata,
- "failed to set TX queue parameters for queue %d\n",
- queue);
+ "failed to set TX queue parameters for AC %d\n",
+ ac);
}
/* enable WMM or activate new settings */
ieee80211_bss_info_change_notify(sdata, bss_info_changed);
mutex_lock(&local->iflist_mtx);
- ieee80211_recalc_ps(local, -1);
+ ieee80211_recalc_ps(local);
mutex_unlock(&local->iflist_mtx);
ieee80211_recalc_smps(sdata);
memset(&ifmgd->ht_capa_mask, 0, sizeof(ifmgd->ht_capa_mask));
memset(&ifmgd->vht_capa, 0, sizeof(ifmgd->vht_capa));
memset(&ifmgd->vht_capa_mask, 0, sizeof(ifmgd->vht_capa_mask));
+ sdata->flags &= ~IEEE80211_SDATA_MU_MIMO_OWNER;
sdata->ap_power_level = IEEE80211_UNSET_POWER_LEVEL;
ieee80211_bss_info_change_notify(sdata, changed);
/* disassociated - set to defaults now */
- ieee80211_set_wmm_default(sdata, false);
+ ieee80211_set_wmm_default(sdata, false, false);
del_timer_sync(&sdata->u.mgd.conn_mon_timer);
del_timer_sync(&sdata->u.mgd.bcn_mon_timer);
__ieee80211_stop_poll(sdata);
mutex_lock(&local->iflist_mtx);
- ieee80211_recalc_ps(local, -1);
+ ieee80211_recalc_ps(local);
mutex_unlock(&local->iflist_mtx);
- if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR)
+ if (ieee80211_hw_check(&sdata->local->hw, CONNECTION_MONITOR))
goto out;
/*
*/
ifmgd->probe_send_count++;
- if (sdata->local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {
+ if (ieee80211_hw_check(&sdata->local->hw, REPORTS_TX_ACK_STATUS)) {
ifmgd->nullfunc_failed = false;
- ieee80211_send_nullfunc(sdata->local, sdata, 0);
+ ieee80211_send_nullfunc(sdata->local, sdata, false);
} else {
int ssid_len;
goto out;
mutex_lock(&sdata->local->iflist_mtx);
- ieee80211_recalc_ps(sdata->local, -1);
+ ieee80211_recalc_ps(sdata->local);
mutex_unlock(&sdata->local->iflist_mtx);
ifmgd->probe_send_count = 0;
container_of(work, struct ieee80211_sub_if_data,
u.mgd.beacon_connection_loss_work);
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- struct sta_info *sta;
- if (ifmgd->associated) {
- rcu_read_lock();
- sta = sta_info_get(sdata, ifmgd->bssid);
- if (sta)
- sta->beacon_loss_count++;
- rcu_read_unlock();
- }
+ if (ifmgd->associated)
+ ifmgd->beacon_loss_count++;
if (ifmgd->connection_loss) {
sdata_info(sdata, "Connection to AP %pM lost\n",
sdata->u.mgd.auth_data = NULL;
}
+static void ieee80211_destroy_assoc_data(struct ieee80211_sub_if_data *sdata,
+ bool assoc)
+{
+ struct ieee80211_mgd_assoc_data *assoc_data = sdata->u.mgd.assoc_data;
+
+ sdata_assert_lock(sdata);
+
+ if (!assoc) {
+ /*
+ * we are not associated yet, the only timer that could be
+ * running is the timeout for the association response which
+ * which is not relevant anymore.
+ */
+ del_timer_sync(&sdata->u.mgd.timer);
+ sta_info_destroy_addr(sdata, assoc_data->bss->bssid);
+
+ eth_zero_addr(sdata->u.mgd.bssid);
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
+ sdata->u.mgd.flags = 0;
+ sdata->flags &= ~IEEE80211_SDATA_MU_MIMO_OWNER;
+ mutex_lock(&sdata->local->mtx);
+ ieee80211_vif_release_channel(sdata);
+ mutex_unlock(&sdata->local->mtx);
+ }
+
+ kfree(assoc_data);
+ sdata->u.mgd.assoc_data = NULL;
+}
+
static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt, size_t len)
{
return;
auth_data->expected_transaction = 4;
drv_mgd_prepare_tx(sdata->local, sdata);
- if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
+ if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS |
IEEE80211_TX_INTFL_MLME_CONN_TX;
ieee80211_send_auth(sdata, 3, auth_data->algorithm, 0,
struct ieee80211_mgmt *mgmt, size_t len)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- const u8 *bssid = NULL;
- u16 reason_code;
+ u16 reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
sdata_assert_lock(sdata);
if (len < 24 + 2)
return;
- if (!ifmgd->associated ||
- !ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid))
- return;
+ if (ifmgd->associated &&
+ ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid)) {
+ const u8 *bssid = ifmgd->associated->bssid;
- bssid = ifmgd->associated->bssid;
+ sdata_info(sdata, "deauthenticated from %pM (Reason: %u=%s)\n",
+ bssid, reason_code,
+ ieee80211_get_reason_code_string(reason_code));
- reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
+ ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
- sdata_info(sdata, "deauthenticated from %pM (Reason: %u=%s)\n",
- bssid, reason_code, ieee80211_get_reason_code_string(reason_code));
+ ieee80211_report_disconnect(sdata, (u8 *)mgmt, len, false,
+ reason_code);
+ return;
+ }
- ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
+ if (ifmgd->assoc_data &&
+ ether_addr_equal(mgmt->bssid, ifmgd->assoc_data->bss->bssid)) {
+ const u8 *bssid = ifmgd->assoc_data->bss->bssid;
- ieee80211_report_disconnect(sdata, (u8 *)mgmt, len, false, reason_code);
+ sdata_info(sdata,
+ "deauthenticated from %pM while associating (Reason: %u=%s)\n",
+ bssid, reason_code,
+ ieee80211_get_reason_code_string(reason_code));
+
+ ieee80211_destroy_assoc_data(sdata, false);
+
+ cfg80211_rx_mlme_mgmt(sdata->dev, (u8 *)mgmt, len);
+ return;
+ }
}
}
}
-static void ieee80211_destroy_assoc_data(struct ieee80211_sub_if_data *sdata,
- bool assoc)
-{
- struct ieee80211_mgd_assoc_data *assoc_data = sdata->u.mgd.assoc_data;
-
- sdata_assert_lock(sdata);
-
- if (!assoc) {
- /*
- * we are not associated yet, the only timer that could be
- * running is the timeout for the association response which
- * which is not relevant anymore.
- */
- del_timer_sync(&sdata->u.mgd.timer);
- sta_info_destroy_addr(sdata, assoc_data->bss->bssid);
-
- eth_zero_addr(sdata->u.mgd.bssid);
- ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
- sdata->u.mgd.flags = 0;
- mutex_lock(&sdata->local->mtx);
- ieee80211_vif_release_channel(sdata);
- mutex_unlock(&sdata->local->mtx);
- }
-
- kfree(assoc_data);
- sdata->u.mgd.assoc_data = NULL;
-}
-
static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
struct cfg80211_bss *cbss,
struct ieee80211_mgmt *mgmt, size_t len)
*/
ifmgd->wmm_last_param_set = -1;
- if (!(ifmgd->flags & IEEE80211_STA_DISABLE_WMM) && elems.wmm_param)
- ieee80211_sta_wmm_params(local, sdata, elems.wmm_param,
- elems.wmm_param_len);
- else
- ieee80211_set_wmm_default(sdata, false);
+ if (ifmgd->flags & IEEE80211_STA_DISABLE_WMM) {
+ ieee80211_set_wmm_default(sdata, false, false);
+ } else if (!ieee80211_sta_wmm_params(local, sdata, elems.wmm_param,
+ elems.wmm_param_len)) {
+ /* still enable QoS since we might have HT/VHT */
+ ieee80211_set_wmm_default(sdata, false, true);
+ /* set the disable-WMM flag in this case to disable
+ * tracking WMM parameter changes in the beacon if
+ * the parameters weren't actually valid. Doing so
+ * avoids changing parameters very strangely when
+ * the AP is going back and forth between valid and
+ * invalid parameters.
+ */
+ ifmgd->flags |= IEEE80211_STA_DISABLE_WMM;
+ }
changed |= BSS_CHANGED_QOS;
/* set AID and assoc capability,
if (ifmgd->associated &&
ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid))
ieee80211_reset_ap_probe(sdata);
-
- if (ifmgd->auth_data && !ifmgd->auth_data->bss->proberesp_ies &&
- ether_addr_equal(mgmt->bssid, ifmgd->auth_data->bss->bssid)) {
- /* got probe response, continue with auth */
- sdata_info(sdata, "direct probe responded\n");
- ifmgd->auth_data->tries = 0;
- ifmgd->auth_data->timeout = jiffies;
- ifmgd->auth_data->timeout_started = true;
- run_again(sdata, ifmgd->auth_data->timeout);
- }
}
/*
}
ifmgd->have_beacon = true;
ifmgd->assoc_data->need_beacon = false;
- if (local->hw.flags & IEEE80211_HW_TIMING_BEACON_ONLY) {
+ if (ieee80211_hw_check(&local->hw, TIMING_BEACON_ONLY)) {
sdata->vif.bss_conf.sync_tsf =
le64_to_cpu(mgmt->u.beacon.timestamp);
sdata->vif.bss_conf.sync_device_ts =
bssid = ifmgd->associated->bssid;
/* Track average RSSI from the Beacon frames of the current AP */
- ifmgd->last_beacon_signal = rx_status->signal;
if (ifmgd->flags & IEEE80211_STA_RESET_SIGNAL_AVE) {
ifmgd->flags &= ~IEEE80211_STA_RESET_SIGNAL_AVE;
- ifmgd->ave_beacon_signal = rx_status->signal * 16;
+ ewma_beacon_signal_init(&ifmgd->ave_beacon_signal);
ifmgd->last_cqm_event_signal = 0;
ifmgd->count_beacon_signal = 1;
ifmgd->last_ave_beacon_signal = 0;
} else {
- ifmgd->ave_beacon_signal =
- (IEEE80211_SIGNAL_AVE_WEIGHT * rx_status->signal * 16 +
- (16 - IEEE80211_SIGNAL_AVE_WEIGHT) *
- ifmgd->ave_beacon_signal) / 16;
ifmgd->count_beacon_signal++;
}
+ ewma_beacon_signal_add(&ifmgd->ave_beacon_signal, -rx_status->signal);
+
if (ifmgd->rssi_min_thold != ifmgd->rssi_max_thold &&
ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT) {
- int sig = ifmgd->ave_beacon_signal;
+ int sig = -ewma_beacon_signal_read(&ifmgd->ave_beacon_signal);
int last_sig = ifmgd->last_ave_beacon_signal;
struct ieee80211_event event = {
.type = RSSI_EVENT,
if (bss_conf->cqm_rssi_thold &&
ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT &&
!(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) {
- int sig = ifmgd->ave_beacon_signal / 16;
+ int sig = -ewma_beacon_signal_read(&ifmgd->ave_beacon_signal);
int last_event = ifmgd->last_cqm_event_signal;
int thold = bss_conf->cqm_rssi_thold;
int hyst = bss_conf->cqm_rssi_hyst;
+
if (sig < thold &&
(last_event == 0 || sig < last_event - hyst)) {
ifmgd->last_cqm_event_signal = sig;
len - baselen, false, &elems,
care_about_ies, ncrc);
- if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) {
- bool directed_tim = ieee80211_check_tim(elems.tim,
- elems.tim_len,
- ifmgd->aid);
- if (directed_tim) {
- if (local->hw.conf.dynamic_ps_timeout > 0) {
- if (local->hw.conf.flags & IEEE80211_CONF_PS) {
- local->hw.conf.flags &= ~IEEE80211_CONF_PS;
- ieee80211_hw_config(local,
- IEEE80211_CONF_CHANGE_PS);
- }
- ieee80211_send_nullfunc(local, sdata, 0);
- } else if (!local->pspolling && sdata->u.mgd.powersave) {
- local->pspolling = true;
-
- /*
- * Here is assumed that the driver will be
- * able to send ps-poll frame and receive a
- * response even though power save mode is
- * enabled, but some drivers might require
- * to disable power save here. This needs
- * to be investigated.
- */
- ieee80211_send_pspoll(local, sdata);
+ if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) &&
+ ieee80211_check_tim(elems.tim, elems.tim_len, ifmgd->aid)) {
+ if (local->hw.conf.dynamic_ps_timeout > 0) {
+ if (local->hw.conf.flags & IEEE80211_CONF_PS) {
+ local->hw.conf.flags &= ~IEEE80211_CONF_PS;
+ ieee80211_hw_config(local,
+ IEEE80211_CONF_CHANGE_PS);
}
+ ieee80211_send_nullfunc(local, sdata, false);
+ } else if (!local->pspolling && sdata->u.mgd.powersave) {
+ local->pspolling = true;
+
+ /*
+ * Here is assumed that the driver will be
+ * able to send ps-poll frame and receive a
+ * response even though power save mode is
+ * enabled, but some drivers might require
+ * to disable power save here. This needs
+ * to be investigated.
+ */
+ ieee80211_send_pspoll(local, sdata);
}
}
* the driver will use them. The synchronized view is currently
* guaranteed only in certain callbacks.
*/
- if (local->hw.flags & IEEE80211_HW_TIMING_BEACON_ONLY) {
+ if (ieee80211_hw_check(&local->hw, TIMING_BEACON_ONLY)) {
sdata->vif.bss_conf.sync_tsf =
le64_to_cpu(mgmt->u.beacon.timestamp);
sdata->vif.bss_conf.sync_device_ts =
ifmgd->have_beacon = true;
mutex_lock(&local->iflist_mtx);
- ieee80211_recalc_ps(local, -1);
+ ieee80211_recalc_ps(local);
mutex_unlock(&local->iflist_mtx);
ieee80211_recalc_ps_vif(sdata);
if (sta && elems.opmode_notif)
ieee80211_vht_handle_opmode(sdata, sta, *elems.opmode_notif,
- rx_status->band, true);
+ rx_status->band);
mutex_unlock(&local->sta_mtx);
changed |= ieee80211_handle_pwr_constr(sdata, chan, mgmt,
reason);
}
-static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
+static int ieee80211_auth(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_mgd_auth_data *auth_data = ifmgd->auth_data;
u32 tx_flags = 0;
+ u16 trans = 1;
+ u16 status = 0;
sdata_assert_lock(sdata);
drv_mgd_prepare_tx(local, sdata);
- if (auth_data->bss->proberesp_ies) {
- u16 trans = 1;
- u16 status = 0;
-
- sdata_info(sdata, "send auth to %pM (try %d/%d)\n",
- auth_data->bss->bssid, auth_data->tries,
- IEEE80211_AUTH_MAX_TRIES);
+ sdata_info(sdata, "send auth to %pM (try %d/%d)\n",
+ auth_data->bss->bssid, auth_data->tries,
+ IEEE80211_AUTH_MAX_TRIES);
- auth_data->expected_transaction = 2;
+ auth_data->expected_transaction = 2;
- if (auth_data->algorithm == WLAN_AUTH_SAE) {
- trans = auth_data->sae_trans;
- status = auth_data->sae_status;
- auth_data->expected_transaction = trans;
- }
-
- if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
- tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS |
- IEEE80211_TX_INTFL_MLME_CONN_TX;
-
- ieee80211_send_auth(sdata, trans, auth_data->algorithm, status,
- auth_data->data, auth_data->data_len,
- auth_data->bss->bssid,
- auth_data->bss->bssid, NULL, 0, 0,
- tx_flags);
- } else {
- const u8 *ssidie;
+ if (auth_data->algorithm == WLAN_AUTH_SAE) {
+ trans = auth_data->sae_trans;
+ status = auth_data->sae_status;
+ auth_data->expected_transaction = trans;
+ }
- sdata_info(sdata, "direct probe to %pM (try %d/%i)\n",
- auth_data->bss->bssid, auth_data->tries,
- IEEE80211_AUTH_MAX_TRIES);
+ if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
+ tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS |
+ IEEE80211_TX_INTFL_MLME_CONN_TX;
- rcu_read_lock();
- ssidie = ieee80211_bss_get_ie(auth_data->bss, WLAN_EID_SSID);
- if (!ssidie) {
- rcu_read_unlock();
- return -EINVAL;
- }
- /*
- * Direct probe is sent to broadcast address as some APs
- * will not answer to direct packet in unassociated state.
- */
- ieee80211_send_probe_req(sdata, sdata->vif.addr, NULL,
- ssidie + 2, ssidie[1],
- NULL, 0, (u32) -1, true, 0,
- auth_data->bss->channel, false);
- rcu_read_unlock();
- }
+ ieee80211_send_auth(sdata, trans, auth_data->algorithm, status,
+ auth_data->data, auth_data->data_len,
+ auth_data->bss->bssid,
+ auth_data->bss->bssid, NULL, 0, 0,
+ tx_flags);
if (tx_flags == 0) {
auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
IEEE80211_ASSOC_MAX_TRIES);
ieee80211_send_assoc(sdata);
- if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) {
+ if (!ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
assoc_data->timeout = jiffies + IEEE80211_ASSOC_TIMEOUT;
assoc_data->timeout_started = true;
run_again(sdata, assoc_data->timeout);
bool status_acked = ifmgd->status_acked;
ifmgd->status_received = false;
- if (ifmgd->auth_data &&
- (ieee80211_is_probe_req(fc) || ieee80211_is_auth(fc))) {
+ if (ifmgd->auth_data && ieee80211_is_auth(fc)) {
if (status_acked) {
ifmgd->auth_data->timeout =
jiffies + IEEE80211_AUTH_TIMEOUT_SHORT;
* so let's just kill the auth data
*/
ieee80211_destroy_auth_data(sdata, false);
- } else if (ieee80211_probe_auth(sdata)) {
+ } else if (ieee80211_auth(sdata)) {
u8 bssid[ETH_ALEN];
struct ieee80211_event event = {
.type = MLME_EVENT,
memcpy(bssid, ifmgd->associated->bssid, ETH_ALEN);
- if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
+ if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
max_tries = max_nullfunc_tries;
else
max_tries = max_probe_tries;
}
} else if (time_is_after_jiffies(ifmgd->probe_timeout))
run_again(sdata, ifmgd->probe_timeout);
- else if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {
+ else if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
mlme_dbg(sdata,
"Failed to send nullfunc to AP %pM after %dms, disconnecting\n",
bssid, probe_wait_ms);
static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
{
- u32 flags;
-
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
__ieee80211_stop_poll(sdata);
/* let's probe the connection once */
- flags = sdata->local->hw.flags;
- if (!(flags & IEEE80211_HW_CONNECTION_MONITOR))
+ if (!ieee80211_hw_check(&sdata->local->hw, CONNECTION_MONITOR))
ieee80211_queue_work(&sdata->local->hw,
&sdata->u.mgd.monitor_work);
- /* and do all the other regular work too */
- ieee80211_queue_work(&sdata->local->hw, &sdata->work);
}
}
rcu_read_unlock();
}
-int ieee80211_max_network_latency(struct notifier_block *nb,
- unsigned long data, void *dummy)
-{
- s32 latency_usec = (s32) data;
- struct ieee80211_local *local =
- container_of(nb, struct ieee80211_local,
- network_latency_notifier);
-
- mutex_lock(&local->iflist_mtx);
- ieee80211_recalc_ps(local, latency_usec);
- mutex_unlock(&local->iflist_mtx);
-
- return NOTIFY_OK;
-}
-
static u8 ieee80211_ht_vht_rx_chains(struct ieee80211_sub_if_data *sdata,
struct cfg80211_bss *cbss)
{
struct ieee80211_supported_band *sband;
struct cfg80211_chan_def chandef;
int ret;
+ u32 i;
+ bool have_80mhz;
sband = local->hw.wiphy->bands[cbss->channel->band];
}
}
+ /* Allow VHT if at least one channel on the sband supports 80 MHz */
+ have_80mhz = false;
+ for (i = 0; i < sband->n_channels; i++) {
+ if (sband->channels[i].flags & (IEEE80211_CHAN_DISABLED |
+ IEEE80211_CHAN_NO_80MHZ))
+ continue;
+
+ have_80mhz = true;
+ break;
+ }
+
+ if (!have_80mhz)
+ ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
+
ifmgd->flags |= ieee80211_determine_chantype(sdata, sband,
cbss->channel,
ht_cap, ht_oper, vht_oper,
}
static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
- struct cfg80211_bss *cbss, bool assoc)
+ struct cfg80211_bss *cbss, bool assoc,
+ bool override)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_bss *bss = (void *)cbss->priv;
struct sta_info *new_sta = NULL;
struct ieee80211_supported_band *sband;
- struct ieee80211_sta_ht_cap sta_ht_cap;
- bool have_sta = false, is_override = false;
+ bool have_sta = false;
int err;
sband = local->hw.wiphy->bands[cbss->channel->band];
return -ENOMEM;
}
- memcpy(&sta_ht_cap, &sband->ht_cap, sizeof(sta_ht_cap));
- ieee80211_apply_htcap_overrides(sdata, &sta_ht_cap);
-
- is_override = (sta_ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) !=
- (sband->ht_cap.cap &
- IEEE80211_HT_CAP_SUP_WIDTH_20_40);
-
- if (new_sta || is_override) {
+ if (new_sta || override) {
err = ieee80211_prep_channel(sdata, cbss);
if (err) {
if (new_sta)
sdata->vif.bss_conf.sync_dtim_count = tim_ie[2];
else
sdata->vif.bss_conf.sync_dtim_count = 0;
- } else if (!(local->hw.flags &
- IEEE80211_HW_TIMING_BEACON_ONLY)) {
+ } else if (!ieee80211_hw_check(&sdata->local->hw,
+ TIMING_BEACON_ONLY)) {
ies = rcu_dereference(cbss->proberesp_ies);
/* must be non-NULL since beacon IEs were NULL */
sdata->vif.bss_conf.sync_tsf = ies->tsf;
sdata_info(sdata, "authenticate with %pM\n", req->bss->bssid);
- err = ieee80211_prep_connection(sdata, req->bss, false);
+ err = ieee80211_prep_connection(sdata, req->bss, false, false);
if (err)
goto err_clear;
- err = ieee80211_probe_auth(sdata);
+ err = ieee80211_auth(sdata);
if (err) {
sta_info_destroy_addr(sdata, req->bss->bssid);
goto err_clear;
eth_zero_addr(ifmgd->bssid);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
ifmgd->auth_data = NULL;
+ mutex_lock(&sdata->local->mtx);
+ ieee80211_vif_release_channel(sdata);
+ mutex_unlock(&sdata->local->mtx);
err_free:
kfree(auth_data);
return err;
}
-static bool ieee80211_usable_wmm_params(struct ieee80211_sub_if_data *sdata,
- const u8 *wmm_param, int len)
-{
- const u8 *pos;
- size_t left;
-
- if (len < 8)
- return false;
-
- if (wmm_param[5] != 1 /* version */)
- return false;
-
- pos = wmm_param + 8;
- left = len - 8;
-
- for (; left >= 4; left -= 4, pos += 4) {
- u8 aifsn = pos[0] & 0x0f;
- u8 ecwmin = pos[1] & 0x0f;
- u8 ecwmax = (pos[1] & 0xf0) >> 4;
- int aci = (pos[0] >> 5) & 0x03;
-
- if (aifsn < 2) {
- sdata_info(sdata,
- "AP has invalid WMM params (AIFSN=%d for ACI %d), disabling WMM\n",
- aifsn, aci);
- return false;
- }
- if (ecwmin > ecwmax) {
- sdata_info(sdata,
- "AP has invalid WMM params (ECWmin/max=%d/%d for ACI %d), disabling WMM\n",
- ecwmin, ecwmax, aci);
- return false;
- }
- }
-
- return true;
-}
-
int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
struct cfg80211_assoc_request *req)
{
struct ieee80211_supported_band *sband;
const u8 *ssidie, *ht_ie, *vht_ie;
int i, err;
+ bool override = false;
assoc_data = kzalloc(sizeof(*assoc_data) + req->ie_len, GFP_KERNEL);
if (!assoc_data)
assoc_data->wmm = bss->wmm_used &&
(local->hw.queues >= IEEE80211_NUM_ACS);
- if (assoc_data->wmm) {
- /* try to check validity of WMM params IE */
- const struct cfg80211_bss_ies *ies;
- const u8 *wp, *start, *end;
-
- rcu_read_lock();
- ies = rcu_dereference(req->bss->ies);
- start = ies->data;
- end = start + ies->len;
-
- while (true) {
- wp = cfg80211_find_vendor_ie(
- WLAN_OUI_MICROSOFT,
- WLAN_OUI_TYPE_MICROSOFT_WMM,
- start, end - start);
- if (!wp)
- break;
- start = wp + wp[1] + 2;
- /* if this IE is too short, try the next */
- if (wp[1] <= 4)
- continue;
- /* if this IE is WMM params, we found what we wanted */
- if (wp[6] == 1)
- break;
- }
-
- if (!wp || !ieee80211_usable_wmm_params(sdata, wp + 2,
- wp[1] - 2)) {
- assoc_data->wmm = false;
- ifmgd->flags |= IEEE80211_STA_DISABLE_WMM;
- }
- rcu_read_unlock();
- }
/*
* IEEE802.11n does not allow TKIP/WEP as pairwise ciphers in HT mode.
}
}
- if (req->flags & ASSOC_REQ_DISABLE_HT) {
- ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
- ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
- }
-
- if (req->flags & ASSOC_REQ_DISABLE_VHT)
- ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
-
/* Also disable HT if we don't support it or the AP doesn't use WMM */
sband = local->hw.wiphy->bands[req->bss->channel->band];
if (!sband->ht_cap.ht_supported ||
rcu_read_unlock();
if (WARN((sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_UAPSD) &&
- (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK),
+ ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK),
"U-APSD not supported with HW_PS_NULLFUNC_STACK\n"))
sdata->vif.driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
ifmgd->dtim_period = 0;
ifmgd->have_beacon = false;
- err = ieee80211_prep_connection(sdata, req->bss, true);
+ /* override HT/VHT configuration only if the AP and we support it */
+ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) {
+ struct ieee80211_sta_ht_cap sta_ht_cap;
+
+ if (req->flags & ASSOC_REQ_DISABLE_HT)
+ override = true;
+
+ memcpy(&sta_ht_cap, &sband->ht_cap, sizeof(sta_ht_cap));
+ ieee80211_apply_htcap_overrides(sdata, &sta_ht_cap);
+
+ /* check for 40 MHz disable override */
+ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_40MHZ) &&
+ sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 &&
+ !(sta_ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
+ override = true;
+
+ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT) &&
+ req->flags & ASSOC_REQ_DISABLE_VHT)
+ override = true;
+ }
+
+ if (req->flags & ASSOC_REQ_DISABLE_HT) {
+ ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
+ ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
+ }
+
+ if (req->flags & ASSOC_REQ_DISABLE_VHT)
+ ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
+
+ err = ieee80211_prep_connection(sdata, req->bss, true, override);
if (err)
goto err_clear;
rcu_read_lock();
beacon_ies = rcu_dereference(req->bss->beacon_ies);
- if (sdata->local->hw.flags & IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC &&
+ if (ieee80211_hw_check(&sdata->local->hw, NEED_DTIM_BEFORE_ASSOC) &&
!beacon_ies) {
/*
* Wait up to one beacon interval ...
assoc_data->timeout = jiffies;
assoc_data->timeout_started = true;
- if (local->hw.flags & IEEE80211_HW_TIMING_BEACON_ONLY) {
+ if (ieee80211_hw_check(&local->hw, TIMING_BEACON_ONLY)) {
sdata->vif.bss_conf.sync_tsf = beacon_ies->tsf;
sdata->vif.bss_conf.sync_device_ts =
bss->device_ts_beacon;
return 0;
}
+ if (ifmgd->assoc_data &&
+ ether_addr_equal(ifmgd->assoc_data->bss->bssid, req->bssid)) {
+ sdata_info(sdata,
+ "aborting association with %pM by local choice (Reason: %u=%s)\n",
+ req->bssid, req->reason_code,
+ ieee80211_get_reason_code_string(req->reason_code));
+
+ drv_mgd_prepare_tx(sdata->local, sdata);
+ ieee80211_send_deauth_disassoc(sdata, req->bssid,
+ IEEE80211_STYPE_DEAUTH,
+ req->reason_code, tx,
+ frame_buf);
+ ieee80211_destroy_assoc_data(sdata, false);
+ ieee80211_report_disconnect(sdata, frame_buf,
+ sizeof(frame_buf), true,
+ req->reason_code);
+ return 0;
+ }
+
if (ifmgd->associated &&
ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
sdata_info(sdata,
Code Review / kvmfornfv.git / blobdiff