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-rw-r--r--net/mac80211/agg-tx.c2
-rw-r--r--net/mac80211/cfg.c14
-rw-r--r--net/mac80211/debugfs.c8
-rw-r--r--net/mac80211/debugfs_sta.c103
-rw-r--r--net/mac80211/driver-ops.h38
-rw-r--r--net/mac80211/ht.c8
-rw-r--r--net/mac80211/ibss.c8
-rw-r--r--net/mac80211/ieee80211_i.h39
-rw-r--r--net/mac80211/main.c24
-rw-r--r--net/mac80211/mesh.c10
-rw-r--r--net/mac80211/mesh.h2
-rw-r--r--net/mac80211/mesh_hwmp.c32
-rw-r--r--net/mac80211/mesh_pathtbl.c24
-rw-r--r--net/mac80211/mesh_plink.c4
-rw-r--r--net/mac80211/mlme.c269
-rw-r--r--net/mac80211/rc80211_minstrel_ht.c25
-rw-r--r--net/mac80211/rc80211_minstrel_ht_debugfs.c7
-rw-r--r--net/mac80211/rx.c21
-rw-r--r--net/mac80211/scan.c160
-rw-r--r--net/mac80211/spectmgmt.c6
-rw-r--r--net/mac80211/sta_info.c46
-rw-r--r--net/mac80211/sta_info.h38
-rw-r--r--net/mac80211/status.c6
-rw-r--r--net/mac80211/tdls.c6
-rw-r--r--net/mac80211/trace.h46
-rw-r--r--net/mac80211/tx.c154
-rw-r--r--net/mac80211/util.c137
27 files changed, 995 insertions, 242 deletions
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 54821fb1a960..2c4cd4183bf9 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -229,7 +229,7 @@ ieee80211_agg_start_txq(struct sta_info *sta, int tid, bool enable)
clear_bit(IEEE80211_TXQ_STOP, &txqi->flags);
local_bh_disable();
rcu_read_lock();
- drv_wake_tx_queue(sta->sdata->local, txqi);
+ schedule_and_wake_txq(sta->sdata->local, txqi);
rcu_read_unlock();
local_bh_enable();
}
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 96496b2c1670..09dd1c2860fc 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1235,6 +1235,11 @@ static void sta_apply_mesh_params(struct ieee80211_local *local,
ieee80211_mps_sta_status_update(sta);
changed |= ieee80211_mps_set_sta_local_pm(sta,
sdata->u.mesh.mshcfg.power_mode);
+
+ ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
+ /* init at low value */
+ ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
+
break;
case NL80211_PLINK_LISTEN:
case NL80211_PLINK_BLOCKED:
@@ -1451,6 +1456,9 @@ static int sta_apply_parameters(struct ieee80211_local *local,
if (ieee80211_vif_is_mesh(&sdata->vif))
sta_apply_mesh_params(local, sta, params);
+ if (params->airtime_weight)
+ sta->airtime_weight = params->airtime_weight;
+
/* set the STA state after all sta info from usermode has been set */
if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
@@ -1750,7 +1758,9 @@ static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
MPATH_INFO_EXPTIME |
MPATH_INFO_DISCOVERY_TIMEOUT |
MPATH_INFO_DISCOVERY_RETRIES |
- MPATH_INFO_FLAGS;
+ MPATH_INFO_FLAGS |
+ MPATH_INFO_HOP_COUNT |
+ MPATH_INFO_PATH_CHANGE;
pinfo->frame_qlen = mpath->frame_queue.qlen;
pinfo->sn = mpath->sn;
@@ -1770,6 +1780,8 @@ static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
if (mpath->flags & MESH_PATH_RESOLVED)
pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
+ pinfo->hop_count = mpath->hop_count;
+ pinfo->path_change_count = mpath->path_change_count;
}
static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 3fe541e358f3..2d43bc127043 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -3,7 +3,7 @@
*
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
- * Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2018 - 2019 Intel Corporation
*
* GPLv2
*
@@ -218,6 +218,9 @@ static const char *hw_flag_names[] = {
FLAG(BUFF_MMPDU_TXQ),
FLAG(SUPPORTS_VHT_EXT_NSS_BW),
FLAG(STA_MMPDU_TXQ),
+ FLAG(TX_STATUS_NO_AMPDU_LEN),
+ FLAG(SUPPORTS_MULTI_BSSID),
+ FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID),
#undef FLAG
};
@@ -383,6 +386,9 @@ void debugfs_hw_add(struct ieee80211_local *local)
if (local->ops->wake_tx_queue)
DEBUGFS_ADD_MODE(aqm, 0600);
+ debugfs_create_u16("airtime_flags", 0600,
+ phyd, &local->airtime_flags);
+
statsd = debugfs_create_dir("statistics", phyd);
/* if the dir failed, don't put all the other things into the root! */
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index b753194710ad..8e921281e0d5 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -4,7 +4,7 @@
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright(c) 2016 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
@@ -181,9 +181,9 @@ static ssize_t sta_aqm_read(struct file *file, char __user *userbuf,
txqi->tin.tx_bytes,
txqi->tin.tx_packets,
txqi->flags,
- txqi->flags & (1<<IEEE80211_TXQ_STOP) ? "STOP" : "RUN",
- txqi->flags & (1<<IEEE80211_TXQ_AMPDU) ? " AMPDU" : "",
- txqi->flags & (1<<IEEE80211_TXQ_NO_AMSDU) ? " NO-AMSDU" : "");
+ test_bit(IEEE80211_TXQ_STOP, &txqi->flags) ? "STOP" : "RUN",
+ test_bit(IEEE80211_TXQ_AMPDU, &txqi->flags) ? " AMPDU" : "",
+ test_bit(IEEE80211_TXQ_NO_AMSDU, &txqi->flags) ? " NO-AMSDU" : "");
}
rcu_read_unlock();
@@ -195,6 +195,64 @@ static ssize_t sta_aqm_read(struct file *file, char __user *userbuf,
}
STA_OPS(aqm);
+static ssize_t sta_airtime_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct sta_info *sta = file->private_data;
+ struct ieee80211_local *local = sta->sdata->local;
+ size_t bufsz = 200;
+ char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
+ u64 rx_airtime = 0, tx_airtime = 0;
+ s64 deficit[IEEE80211_NUM_ACS];
+ ssize_t rv;
+ int ac;
+
+ if (!buf)
+ return -ENOMEM;
+
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+ spin_lock_bh(&local->active_txq_lock[ac]);
+ rx_airtime += sta->airtime[ac].rx_airtime;
+ tx_airtime += sta->airtime[ac].tx_airtime;
+ deficit[ac] = sta->airtime[ac].deficit;
+ spin_unlock_bh(&local->active_txq_lock[ac]);
+ }
+
+ p += scnprintf(p, bufsz + buf - p,
+ "RX: %llu us\nTX: %llu us\nWeight: %u\n"
+ "Deficit: VO: %lld us VI: %lld us BE: %lld us BK: %lld us\n",
+ rx_airtime,
+ tx_airtime,
+ sta->airtime_weight,
+ deficit[0],
+ deficit[1],
+ deficit[2],
+ deficit[3]);
+
+ rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+ kfree(buf);
+ return rv;
+}
+
+static ssize_t sta_airtime_write(struct file *file, const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct sta_info *sta = file->private_data;
+ struct ieee80211_local *local = sta->sdata->local;
+ int ac;
+
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+ spin_lock_bh(&local->active_txq_lock[ac]);
+ sta->airtime[ac].rx_airtime = 0;
+ sta->airtime[ac].tx_airtime = 0;
+ sta->airtime[ac].deficit = sta->airtime_weight;
+ spin_unlock_bh(&local->active_txq_lock[ac]);
+ }
+
+ return count;
+}
+STA_OPS_RW(airtime);
+
static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
@@ -627,6 +685,9 @@ static ssize_t sta_he_capa_read(struct file *file, char __user *userbuf,
"SUBCHAN-SELECVITE-TRANSMISSION");
PFLAG(MAC, 5, UL_2x996_TONE_RU, "UL-2x996-TONE-RU");
PFLAG(MAC, 5, OM_CTRL_UL_MU_DATA_DIS_RX, "OM-CTRL-UL-MU-DATA-DIS-RX");
+ PFLAG(MAC, 5, HE_DYNAMIC_SM_PS, "HE-DYNAMIC-SM-PS");
+ PFLAG(MAC, 5, PUNCTURED_SOUNDING, "PUNCTURED-SOUNDING");
+ PFLAG(MAC, 5, HT_VHT_TRIG_FRAME_RX, "HT-VHT-TRIG-FRAME-RX");
cap = hec->he_cap_elem.phy_cap_info;
p += scnprintf(p, buf_sz + buf - p,
@@ -761,18 +822,18 @@ static ssize_t sta_he_capa_read(struct file *file, char __user *userbuf,
PFLAG(PHY, 8, MIDAMBLE_RX_TX_2X_AND_1XLTF,
"MIDAMBLE-RX-TX-2X-AND-1XLTF");
- switch (cap[8] & IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_MASK) {
- case IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_20MHZ:
- PRINT("DDCM-MAX-BW-20MHZ");
+ switch (cap[8] & IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK) {
+ case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242:
+ PRINT("DCM-MAX-RU-242");
break;
- case IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_40MHZ:
- PRINT("DCM-MAX-BW-40MHZ");
+ case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484:
+ PRINT("DCM-MAX-RU-484");
break;
- case IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_80MHZ:
- PRINT("DCM-MAX-BW-80MHZ");
+ case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996:
+ PRINT("DCM-MAX-RU-996");
break;
- case IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_160_OR_80P80_MHZ:
- PRINT("DCM-MAX-BW-160-OR-80P80-MHZ");
+ case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996:
+ PRINT("DCM-MAX-RU-2x996");
break;
}
@@ -789,6 +850,18 @@ static ssize_t sta_he_capa_read(struct file *file, char __user *userbuf,
PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB,
"RX-FULL-BW-SU-USING-MU-WITH-NON-COMP-SIGB");
+ switch (cap[9] & IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) {
+ case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US:
+ PRINT("NOMINAL-PACKET-PADDING-0US");
+ break;
+ case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US:
+ PRINT("NOMINAL-PACKET-PADDING-8US");
+ break;
+ case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US:
+ PRINT("NOMINAL-PACKET-PADDING-16US");
+ break;
+ }
+
#undef PFLAG_RANGE_DEFAULT
#undef PFLAG_RANGE
#undef PFLAG
@@ -906,6 +979,10 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
if (local->ops->wake_tx_queue)
DEBUGFS_ADD(aqm);
+ if (wiphy_ext_feature_isset(local->hw.wiphy,
+ NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
+ DEBUGFS_ADD(airtime);
+
if (sizeof(sta->driver_buffered_tids) == sizeof(u32))
debugfs_create_x32("driver_buffered_tids", 0400,
sta->debugfs_dir,
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 3e0d5922a440..28d022a3eee3 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -2,7 +2,7 @@
/*
* Portions of this file
* Copyright(c) 2016 Intel Deutschland GmbH
-* Copyright (C) 2018 Intel Corporation
+* Copyright (C) 2018 - 2019 Intel Corporation
*/
#ifndef __MAC80211_DRIVER_OPS
@@ -1052,6 +1052,35 @@ drv_post_channel_switch(struct ieee80211_sub_if_data *sdata)
return ret;
}
+static inline void
+drv_abort_channel_switch(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+
+ if (!check_sdata_in_driver(sdata))
+ return;
+
+ trace_drv_abort_channel_switch(local, sdata);
+
+ if (local->ops->abort_channel_switch)
+ local->ops->abort_channel_switch(&local->hw, &sdata->vif);
+}
+
+static inline void
+drv_channel_switch_rx_beacon(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_channel_switch *ch_switch)
+{
+ struct ieee80211_local *local = sdata->local;
+
+ if (!check_sdata_in_driver(sdata))
+ return;
+
+ trace_drv_channel_switch_rx_beacon(local, sdata, ch_switch);
+ if (local->ops->channel_switch_rx_beacon)
+ local->ops->channel_switch_rx_beacon(&local->hw, &sdata->vif,
+ ch_switch);
+}
+
static inline int drv_join_ibss(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
@@ -1173,6 +1202,13 @@ static inline void drv_wake_tx_queue(struct ieee80211_local *local,
local->ops->wake_tx_queue(&local->hw, &txq->txq);
}
+static inline void schedule_and_wake_txq(struct ieee80211_local *local,
+ struct txq_info *txqi)
+{
+ ieee80211_schedule_txq(&local->hw, &txqi->txq);
+ drv_wake_tx_queue(local, txqi);
+}
+
static inline int drv_can_aggregate_in_amsdu(struct ieee80211_local *local,
struct sk_buff *head,
struct sk_buff *skb)
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index f849ea814993..e03c46ac8e4d 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -107,6 +107,14 @@ void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
__check_htcap_enable(ht_capa, ht_capa_mask, ht_cap,
IEEE80211_HT_CAP_40MHZ_INTOLERANT);
+ /* Allow user to enable TX STBC bit */
+ __check_htcap_enable(ht_capa, ht_capa_mask, ht_cap,
+ IEEE80211_HT_CAP_TX_STBC);
+
+ /* Allow user to configure RX STBC bits */
+ if (ht_capa_mask->cap_info & IEEE80211_HT_CAP_RX_STBC)
+ ht_cap->cap |= ht_capa->cap_info & IEEE80211_HT_CAP_RX_STBC;
+
/* Allow user to decrease AMPDU factor */
if (ht_capa_mask->ampdu_params_info &
IEEE80211_HT_AMPDU_PARM_FACTOR) {
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 0d704e8d7078..4e4507115cf3 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -8,6 +8,7 @@
* Copyright 2009, Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright(c) 2016 Intel Deutschland GmbH
+ * 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
@@ -1124,8 +1125,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
ieee80211_update_sta_info(sdata, mgmt, len, rx_status, elems, channel);
- bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, elems,
- channel);
+ bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, channel);
if (!bss)
return;
@@ -1604,7 +1604,7 @@ void ieee80211_rx_mgmt_probe_beacon(struct ieee80211_sub_if_data *sdata,
return;
ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
- false, &elems);
+ false, &elems, mgmt->bssid, NULL);
ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
}
@@ -1654,7 +1654,7 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
ieee802_11_parse_elems(
mgmt->u.action.u.chan_switch.variable,
- ies_len, true, &elems);
+ ies_len, true, &elems, mgmt->bssid, NULL);
if (elems.parse_error)
break;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 7dfb4e2f98b2..e170f986d226 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -4,7 +4,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2015 Intel Mobile Communications 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
@@ -556,6 +556,12 @@ struct ieee80211_if_managed {
* get stuck in a downgraded situation and flush takes forever.
*/
struct delayed_work tx_tspec_wk;
+
+ /* Information elements from the last transmitted (Re)Association
+ * Request frame.
+ */
+ u8 *assoc_req_ies;
+ size_t assoc_req_ies_len;
};
struct ieee80211_if_ibss {
@@ -831,6 +837,8 @@ enum txq_info_flags {
* a fq_flow which is already owned by a different tin
* @def_cvars: codel vars for @def_flow
* @frags: used to keep fragments created after dequeue
+ * @schedule_order: used with ieee80211_local->active_txqs
+ * @schedule_round: counter to prevent infinite loops on TXQ scheduling
*/
struct txq_info {
struct fq_tin tin;
@@ -838,6 +846,8 @@ struct txq_info {
struct codel_vars def_cvars;
struct codel_stats cstats;
struct sk_buff_head frags;
+ struct list_head schedule_order;
+ u16 schedule_round;
unsigned long flags;
/* keep last! */
@@ -1129,6 +1139,13 @@ struct ieee80211_local {
struct codel_vars *cvars;
struct codel_params cparams;
+ /* protects active_txqs and txqi->schedule_order */
+ spinlock_t active_txq_lock[IEEE80211_NUM_ACS];
+ struct list_head active_txqs[IEEE80211_NUM_ACS];
+ u16 schedule_round[IEEE80211_NUM_ACS];
+
+ u16 airtime_flags;
+
const struct ieee80211_ops *ops;
/*
@@ -1436,6 +1453,7 @@ struct ieee80211_csa_ie {
u8 ttl;
u16 pre_value;
u16 reason_code;
+ u32 max_switch_time;
};
/* Parsed Information Elements */
@@ -1476,6 +1494,7 @@ struct ieee802_11_elems {
const struct ieee80211_channel_sw_ie *ch_switch_ie;
const struct ieee80211_ext_chansw_ie *ext_chansw_ie;
const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
+ const u8 *max_channel_switch_time;
const u8 *country_elem;
const u8 *pwr_constr_elem;
const u8 *cisco_dtpc_elem;
@@ -1484,6 +1503,12 @@ struct ieee802_11_elems {
const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie;
const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie;
+ const struct ieee80211_multiple_bssid_configuration *mbssid_config_ie;
+ const struct ieee80211_bssid_index *bssid_index;
+ const u8 *nontransmitted_bssid_profile;
+ u8 max_bssid_indicator;
+ u8 dtim_count;
+ u8 dtim_period;
/* length of them, respectively */
u8 ext_capab_len;
@@ -1502,6 +1527,7 @@ struct ieee802_11_elems {
u8 prep_len;
u8 perr_len;
u8 country_elem_len;
+ u8 bssid_index_len;
/* whether a parse error occurred while retrieving these elements */
bool parse_error;
@@ -1661,7 +1687,6 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
struct ieee80211_rx_status *rx_status,
struct ieee80211_mgmt *mgmt,
size_t len,
- struct ieee802_11_elems *elems,
struct ieee80211_channel *channel);
void ieee80211_rx_bss_put(struct ieee80211_local *local,
struct ieee80211_bss *bss);
@@ -1945,12 +1970,16 @@ static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata,
u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
struct ieee802_11_elems *elems,
- u64 filter, u32 crc);
+ u64 filter, u32 crc, u8 *transmitter_bssid,
+ u8 *bss_bssid);
static inline void ieee802_11_parse_elems(const u8 *start, size_t len,
bool action,
- struct ieee802_11_elems *elems)
+ struct ieee802_11_elems *elems,
+ u8 *transmitter_bssid,
+ u8 *bss_bssid)
{
- ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0);
+ ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0,
+ transmitter_bssid, bss_bssid);
}
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 977dea436ee8..800e67615e2a 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -4,7 +4,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 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
@@ -478,6 +478,8 @@ static const struct ieee80211_ht_cap mac80211_ht_capa_mod_mask = {
IEEE80211_HT_CAP_MAX_AMSDU |
IEEE80211_HT_CAP_SGI_20 |
IEEE80211_HT_CAP_SGI_40 |
+ IEEE80211_HT_CAP_TX_STBC |
+ IEEE80211_HT_CAP_RX_STBC |
IEEE80211_HT_CAP_LDPC_CODING |
IEEE80211_HT_CAP_40MHZ_INTOLERANT),
.mcs = {
@@ -663,6 +665,12 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
spin_lock_init(&local->rx_path_lock);
spin_lock_init(&local->queue_stop_reason_lock);
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+ INIT_LIST_HEAD(&local->active_txqs[i]);
+ spin_lock_init(&local->active_txq_lock[i]);
+ }
+ local->airtime_flags = AIRTIME_USE_TX | AIRTIME_USE_RX;
+
INIT_LIST_HEAD(&local->chanctx_list);
mutex_init(&local->chanctx_mtx);
@@ -1104,6 +1112,17 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (ieee80211_hw_check(&local->hw, CHANCTX_STA_CSA))
local->ext_capa[0] |= WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING;
+ /* mac80211 supports multi BSSID, if the driver supports it */
+ if (ieee80211_hw_check(&local->hw, SUPPORTS_MULTI_BSSID)) {
+ local->hw.wiphy->support_mbssid = true;
+ if (ieee80211_hw_check(&local->hw,
+ SUPPORTS_ONLY_HE_MULTI_BSSID))
+ local->hw.wiphy->support_only_he_mbssid = true;
+ else
+ local->ext_capa[2] |=
+ WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT;
+ }
+
local->hw.wiphy->max_num_csa_counters = IEEE80211_MAX_CSA_COUNTERS_NUM;
result = wiphy_register(local->hw.wiphy);
@@ -1148,6 +1167,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (!local->hw.max_nan_de_entries)
local->hw.max_nan_de_entries = IEEE80211_MAX_NAN_INSTANCE_ID;
+ if (!local->hw.weight_multiplier)
+ local->hw.weight_multiplier = 1;
+
result = ieee80211_wep_init(local);
if (result < 0)
wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n",
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index c90452aa0c42..766e5e5bab8a 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -1,6 +1,6 @@
/*
* Copyright (c) 2008, 2009 open80211s Ltd.
- * Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2018 - 2019 Intel Corporation
* Authors: Luis Carlos Cobo <luisca@cozybit.com>
* Javier Cardona <javier@cozybit.com>
*
@@ -1106,7 +1106,8 @@ ieee80211_mesh_rx_probe_req(struct ieee80211_sub_if_data *sdata,
if (baselen > len)
return;
- ieee802_11_parse_elems(pos, len - baselen, false, &elems);
+ ieee802_11_parse_elems(pos, len - baselen, false, &elems, mgmt->bssid,
+ NULL);
if (!elems.mesh_id)
return;
@@ -1170,7 +1171,7 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
return;
ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
- false, &elems);
+ false, &elems, mgmt->bssid, NULL);
/* ignore non-mesh or secure / unsecure mismatch */
if ((!elems.mesh_id || !elems.mesh_config) ||
@@ -1306,7 +1307,8 @@ static void mesh_rx_csa_frame(struct ieee80211_sub_if_data *sdata,
pos = mgmt->u.action.u.chan_switch.variable;
baselen = offsetof(struct ieee80211_mgmt,
u.action.u.chan_switch.variable);
- ieee802_11_parse_elems(pos, len - baselen, true, &elems);
+ ieee802_11_parse_elems(pos, len - baselen, true, &elems,
+ mgmt->bssid, NULL);
ifmsh->chsw_ttl = elems.mesh_chansw_params_ie->mesh_ttl;
if (!--ifmsh->chsw_ttl)
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 2ec7011a4d07..574c3891c4b2 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -95,6 +95,7 @@ enum mesh_deferred_task_flags {
* @last_preq_to_root: Timestamp of last PREQ sent to root
* @is_root: the destination station of this path is a root node
* @is_gate: the destination station of this path is a mesh gate
+ * @path_change_count: the number of path changes to destination
*
*
* The dst address is unique in the mesh path table. Since the mesh_path is
@@ -126,6 +127,7 @@ struct mesh_path {
unsigned long last_preq_to_root;
bool is_root;
bool is_gate;
+ u32 path_change_count;
};
/**
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 6950cd0bf594..f7517668e77a 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2008, 2009 open80211s Ltd.
+ * Copyright (C) 2019 Intel Corporation
* Author: Luis Carlos Cobo <luisca@cozybit.com>
*
* This program is free software; you can redistribute it and/or modify
@@ -300,6 +301,7 @@ void ieee80211s_update_metric(struct ieee80211_local *local,
{
struct ieee80211_tx_info *txinfo = st->info;
int failed;
+ struct rate_info rinfo;
failed = !(txinfo->flags & IEEE80211_TX_STAT_ACK);
@@ -310,12 +312,15 @@ void ieee80211s_update_metric(struct ieee80211_local *local,
if (ewma_mesh_fail_avg_read(&sta->mesh->fail_avg) >
LINK_FAIL_THRESH)
mesh_plink_broken(sta);
+
+ sta_set_rate_info_tx(sta, &sta->tx_stats.last_rate, &rinfo);
+ ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg,
+ cfg80211_calculate_bitrate(&rinfo));
}
static u32 airtime_link_metric_get(struct ieee80211_local *local,
struct sta_info *sta)
{
- struct rate_info rinfo;
/* This should be adjusted for each device */
int device_constant = 1 << ARITH_SHIFT;
int test_frame_len = TEST_FRAME_LEN << ARITH_SHIFT;
@@ -339,8 +344,7 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
if (fail_avg > LINK_FAIL_THRESH)
return MAX_METRIC;
- sta_set_rate_info_tx(sta, &sta->tx_stats.last_rate, &rinfo);
- rate = cfg80211_calculate_bitrate(&rinfo);
+ rate = ewma_mesh_tx_rate_avg_read(&sta->mesh->tx_rate_avg);
if (WARN_ON(!rate))
return MAX_METRIC;
@@ -386,6 +390,7 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
unsigned long orig_lifetime, exp_time;
u32 last_hop_metric, new_metric;
bool process = true;
+ u8 hopcount;
rcu_read_lock();
sta = sta_info_get(sdata, mgmt->sa);
@@ -404,6 +409,7 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
orig_sn = PREQ_IE_ORIG_SN(hwmp_ie);
orig_lifetime = PREQ_IE_LIFETIME(hwmp_ie);
orig_metric = PREQ_IE_METRIC(hwmp_ie);
+ hopcount = PREQ_IE_HOPCOUNT(hwmp_ie) + 1;
break;
case MPATH_PREP:
/* Originator here refers to the MP that was the target in the
@@ -415,6 +421,7 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
orig_sn = PREP_IE_TARGET_SN(hwmp_ie);
orig_lifetime = PREP_IE_LIFETIME(hwmp_ie);
orig_metric = PREP_IE_METRIC(hwmp_ie);
+ hopcount = PREP_IE_HOPCOUNT(hwmp_ie) + 1;
break;
default:
rcu_read_unlock();
@@ -441,7 +448,10 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
(mpath->flags & MESH_PATH_SN_VALID)) {
if (SN_GT(mpath->sn, orig_sn) ||
(mpath->sn == orig_sn &&
- new_metric >= mpath->metric)) {
+ (rcu_access_pointer(mpath->next_hop) !=
+ sta ?
+ mult_frac(new_metric, 10, 9) :
+ new_metric) >= mpath->metric)) {
process = false;
fresh_info = false;
}
@@ -476,12 +486,15 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
}
if (fresh_info) {
+ if (rcu_access_pointer(mpath->next_hop) != sta)
+ mpath->path_change_count++;
mesh_path_assign_nexthop(mpath, sta);
mpath->flags |= MESH_PATH_SN_VALID;
mpath->metric = new_metric;
mpath->sn = orig_sn;
mpath->exp_time = time_after(mpath->exp_time, exp_time)
? mpath->exp_time : exp_time;
+ mpath->hop_count = hopcount;
mesh_path_activate(mpath);
spin_unlock_bh(&mpath->state_lock);
ewma_mesh_fail_avg_init(&sta->mesh->fail_avg);
@@ -506,8 +519,10 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
if (mpath) {
spin_lock_bh(&mpath->state_lock);
if ((mpath->flags & MESH_PATH_FIXED) ||
- ((mpath->flags & MESH_PATH_ACTIVE) &&
- (last_hop_metric > mpath->metric)))
+ ((mpath->flags & MESH_PATH_ACTIVE) &&
+ ((rcu_access_pointer(mpath->next_hop) != sta ?
+ mult_frac(last_hop_metric, 10, 9) :
+ last_hop_metric) > mpath->metric)))
fresh_info = false;
} else {
mpath = mesh_path_add(sdata, ta);
@@ -519,10 +534,13 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
}
if (fresh_info) {
+ if (rcu_access_pointer(mpath->next_hop) != sta)
+ mpath->path_change_count++;
mesh_path_assign_nexthop(mpath, sta);
mpath->metric = last_hop_metric;
mpath->exp_time = time_after(mpath->exp_time, exp_time)
? mpath->exp_time : exp_time;
+ mpath->hop_count = 1;
mesh_path_activate(mpath);
spin_unlock_bh(&mpath->state_lock);
ewma_mesh_fail_avg_init(&sta->mesh->fail_avg);
@@ -909,7 +927,7 @@ void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
baselen = (u8 *) mgmt->u.action.u.mesh_action.variable - (u8 *) mgmt;
ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable,
- len - baselen, false, &elems);
+ len - baselen, false, &elems, mgmt->bssid, NULL);
if (elems.preq) {
if (elems.preq_len != 37)
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 88a6d5e18ccc..95eb5064fa91 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -404,7 +404,6 @@ struct mesh_path *mesh_path_add(struct ieee80211_sub_if_data *sdata,
{
struct mesh_table *tbl;
struct mesh_path *mpath, *new_mpath;
- int ret;
if (ether_addr_equal(dst, sdata->vif.addr))
/* never add ourselves as neighbours */
@@ -422,25 +421,18 @@ struct mesh_path *mesh_path_add(struct ieee80211_sub_if_data *sdata,
tbl = sdata->u.mesh.mesh_paths;
spin_lock_bh(&tbl->walk_lock);
- do {
- ret = rhashtable_lookup_insert_fast(&tbl->rhead,
- &new_mpath->rhash,
- mesh_rht_params);
-
- if (ret == -EEXIST)
- 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));
+ mpath = rhashtable_lookup_get_insert_fast(&tbl->rhead,
+ &new_mpath->rhash,
+ mesh_rht_params);
+ if (!mpath)
+ hlist_add_head(&new_mpath->walk_list, &tbl->walk_head);
spin_unlock_bh(&tbl->walk_lock);
- if (ret) {
+ if (mpath) {
kfree(new_mpath);
- if (ret != -EEXIST)
- return ERR_PTR(ret);
+ if (IS_ERR(mpath))
+ return mpath;
new_mpath = mpath;
}
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 33055c8ed37e..8afd0ece94c9 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2008, 2009 open80211s Ltd.
+ * Copyright (C) 2019 Intel Corporation
* Author: Luis Carlos Cobo <luisca@cozybit.com>
*
* This program is free software; you can redistribute it and/or modify
@@ -1214,6 +1215,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata,
if (baselen > len)
return;
}
- ieee802_11_parse_elems(baseaddr, len - baselen, true, &elems);
+ ieee802_11_parse_elems(baseaddr, len - baselen, true, &elems,
+ mgmt->bssid, NULL);
mesh_process_plink_frame(sdata, mgmt, &elems, rx_status);
}
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 687821567287..2dbcf5d5512e 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -7,7 +7,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.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
@@ -644,7 +644,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
struct ieee80211_mgd_assoc_data *assoc_data = ifmgd->assoc_data;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- u8 *pos, qos_info;
+ u8 *pos, qos_info, *ie_start;
size_t offset = 0, noffset;
int i, count, rates_len, supp_rates_len, shift;
u16 capab;
@@ -752,6 +752,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
/* SSID */
pos = skb_put(skb, 2 + assoc_data->ssid_len);
+ ie_start = pos;
*pos++ = WLAN_EID_SSID;
*pos++ = assoc_data->ssid_len;
memcpy(pos, assoc_data->ssid, assoc_data->ssid_len);
@@ -813,6 +814,21 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
}
}
+ /* Set MBSSID support for HE AP if needed */
+ if (ieee80211_hw_check(&local->hw, SUPPORTS_ONLY_HE_MULTI_BSSID) &&
+ !(ifmgd->flags & IEEE80211_STA_DISABLE_HE) && assoc_data->ie_len) {
+ struct element *elem;
+
+ /* we know it's writable, cast away the const */
+ elem = (void *)cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY,
+ assoc_data->ie,
+ assoc_data->ie_len);
+
+ /* We can probably assume both always true */
+ if (elem && elem->datalen >= 3)
+ elem->data[2] |= WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT;
+ }
+
/* if present, add any custom IEs that go before HT */
if (assoc_data->ie_len) {
static const u8 before_ht[] = {
@@ -961,6 +977,11 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
return;
}
+ pos = skb_tail_pointer(skb);
+ kfree(ifmgd->assoc_req_ies);
+ ifmgd->assoc_req_ies = kmemdup(ie_start, pos - ie_start, GFP_ATOMIC);
+ ifmgd->assoc_req_ies_len = pos - ie_start;
+
drv_mgd_prepare_tx(local, sdata, 0);
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
@@ -1238,6 +1259,32 @@ static void ieee80211_chswitch_timer(struct timer_list *t)
}
static void
+ieee80211_sta_abort_chanswitch(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+
+ if (!local->ops->abort_channel_switch)
+ return;
+
+ mutex_lock(&local->mtx);
+
+ mutex_lock(&local->chanctx_mtx);
+ ieee80211_vif_unreserve_chanctx(sdata);
+ mutex_unlock(&local->chanctx_mtx);
+
+ if (sdata->csa_block_tx)
+ ieee80211_wake_vif_queues(local, sdata,
+ IEEE80211_QUEUE_STOP_REASON_CSA);
+
+ sdata->csa_block_tx = false;
+ sdata->vif.csa_active = false;
+
+ mutex_unlock(&local->mtx);
+
+ drv_abort_channel_switch(sdata);
+}
+
+static void
ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
u64 timestamp, u32 device_timestamp,
struct ieee802_11_elems *elems,
@@ -1261,19 +1308,36 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
if (local->scanning)
return;
- /* disregard subsequent announcements if we are already processing */
- if (sdata->vif.csa_active)
- return;
-
current_band = cbss->channel->band;
res = ieee80211_parse_ch_switch_ie(sdata, elems, current_band,
ifmgd->flags,
ifmgd->associated->bssid, &csa_ie);
- if (res < 0)
+
+ if (!res) {
+ ch_switch.timestamp = timestamp;
+ ch_switch.device_timestamp = device_timestamp;
+ ch_switch.block_tx = beacon ? csa_ie.mode : 0;
+ ch_switch.chandef = csa_ie.chandef;
+ ch_switch.count = csa_ie.count;
+ ch_switch.delay = csa_ie.max_switch_time;
+ }
+
+ if (res < 0) {
ieee80211_queue_work(&local->hw,
&ifmgd->csa_connection_drop_work);
- if (res)
return;
+ }
+
+ if (beacon && sdata->vif.csa_active && !ifmgd->csa_waiting_bcn) {
+ if (res)
+ ieee80211_sta_abort_chanswitch(sdata);
+ else
+ drv_channel_switch_rx_beacon(sdata, &ch_switch);
+ return;
+ } else if (sdata->vif.csa_active || res) {
+ /* disregard subsequent announcements if already processing */
+ return;
+ }
if (!cfg80211_chandef_usable(local->hw.wiphy, &csa_ie.chandef,
IEEE80211_CHAN_DISABLED)) {
@@ -1289,7 +1353,8 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
}
if (cfg80211_chandef_identical(&csa_ie.chandef,
- &sdata->vif.bss_conf.chandef)) {
+ &sdata->vif.bss_conf.chandef) &&
+ (!csa_ie.mode || !beacon)) {
if (ifmgd->csa_ignored_same_chan)
return;
sdata_info(sdata,
@@ -1326,12 +1391,6 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
goto drop_connection;
}
- ch_switch.timestamp = timestamp;
- ch_switch.device_timestamp = device_timestamp;
- ch_switch.block_tx = csa_ie.mode;
- ch_switch.chandef = csa_ie.chandef;
- ch_switch.count = csa_ie.count;
-
if (drv_pre_channel_switch(sdata, &ch_switch)) {
sdata_info(sdata,
"preparing for channel switch failed, disconnecting\n");
@@ -1350,7 +1409,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
sdata->vif.csa_active = true;
sdata->csa_chandef = csa_ie.chandef;
- sdata->csa_block_tx = csa_ie.mode;
+ sdata->csa_block_tx = ch_switch.block_tx;
ifmgd->csa_ignored_same_chan = false;
if (sdata->csa_block_tx)
@@ -1384,7 +1443,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
* reset when the disconnection worker runs.
*/
sdata->vif.csa_active = true;
- sdata->csa_block_tx = csa_ie.mode;
+ sdata->csa_block_tx = ch_switch.block_tx;
ieee80211_queue_work(&local->hw, &ifmgd->csa_connection_drop_work);
mutex_unlock(&local->chanctx_mtx);
@@ -2762,7 +2821,8 @@ static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata,
u32 tx_flags = 0;
pos = mgmt->u.auth.variable;
- ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
+ ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false, &elems,
+ mgmt->bssid, auth_data->bss->bssid);
if (!elems.challenge)
return;
auth_data->expected_transaction = 4;
@@ -3130,7 +3190,8 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
}
pos = mgmt->u.assoc_resp.variable;
- ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
+ ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false, &elems,
+ mgmt->bssid, assoc_data->bss->bssid);
if (!elems.supp_rates) {
sdata_info(sdata, "no SuppRates element in AssocResp\n");
@@ -3167,7 +3228,9 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
return false;
ieee802_11_parse_elems(bss_ies->data, bss_ies->len,
- false, &bss_elems);
+ false, &bss_elems,
+ mgmt->bssid,
+ assoc_data->bss->bssid);
if (assoc_data->wmm &&
!elems.wmm_param && bss_elems.wmm_param) {
elems.wmm_param = bss_elems.wmm_param;
@@ -3304,6 +3367,14 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
/* TODO: OPEN: what happens if BSS color disable is set? */
}
+ if (cbss->transmitted_bss) {
+ bss_conf->nontransmitted = true;
+ ether_addr_copy(bss_conf->transmitter_bssid,
+ cbss->transmitted_bss->bssid);
+ bss_conf->bssid_indicator = cbss->max_bssid_indicator;
+ bss_conf->bssid_index = cbss->bssid_index;
+ }
+
/*
* Some APs, e.g. Netgear WNDR3700, report invalid HT operation data
* in their association response, so ignore that data for our own
@@ -3464,7 +3535,8 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
return;
pos = mgmt->u.assoc_resp.variable;
- ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
+ ieee802_11_parse_elems(pos, len - (pos - (u8 *)mgmt), false, &elems,
+ mgmt->bssid, assoc_data->bss->bssid);
if (status_code == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY &&
elems.timeout_int &&
@@ -3516,13 +3588,13 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
uapsd_queues |= ieee80211_ac_to_qos_mask[ac];
}
- cfg80211_rx_assoc_resp(sdata->dev, bss, (u8 *)mgmt, len, uapsd_queues);
+ cfg80211_rx_assoc_resp(sdata->dev, bss, (u8 *)mgmt, len, uapsd_queues,
+ ifmgd->assoc_req_ies, ifmgd->assoc_req_ies_len);
}
static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt, size_t len,
- struct ieee80211_rx_status *rx_status,
- struct ieee802_11_elems *elems)
+ struct ieee80211_rx_status *rx_status)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_bss *bss;
@@ -3534,8 +3606,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
if (!channel)
return;
- bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, elems,
- channel);
+ bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, channel);
if (bss) {
sdata->vif.bss_conf.beacon_rate = bss->beacon_rate;
ieee80211_rx_bss_put(local, bss);
@@ -3550,7 +3621,6 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_managed *ifmgd;
struct ieee80211_rx_status *rx_status = (void *) skb->cb;
size_t baselen, len = skb->len;
- struct ieee802_11_elems elems;
ifmgd = &sdata->u.mgd;
@@ -3563,10 +3633,7 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata,
if (baselen > len)
return;
- ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
- false, &elems);
-
- ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
+ ieee80211_rx_bss_info(sdata, mgmt, len, rx_status);
if (ifmgd->associated &&
ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid))
@@ -3693,6 +3760,16 @@ static void ieee80211_handle_beacon_sig(struct ieee80211_sub_if_data *sdata,
}
}
+static bool ieee80211_rx_our_beacon(const u8 *tx_bssid,
+ struct cfg80211_bss *bss)
+{
+ if (ether_addr_equal(tx_bssid, bss->bssid))
+ return true;
+ if (!bss->transmitted_bss)
+ return false;
+ return ether_addr_equal(tx_bssid, bss->transmitted_bss->bssid);
+}
+
static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt, size_t len,
struct ieee80211_rx_status *rx_status)
@@ -3734,15 +3811,16 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
rcu_read_unlock();
if (ifmgd->assoc_data && ifmgd->assoc_data->need_beacon &&
- ether_addr_equal(mgmt->bssid, ifmgd->assoc_data->bss->bssid)) {
+ ieee80211_rx_our_beacon(mgmt->bssid, ifmgd->assoc_data->bss)) {
ieee802_11_parse_elems(mgmt->u.beacon.variable,
- len - baselen, false, &elems);
+ len - baselen, false, &elems,
+ mgmt->bssid,
+ ifmgd->assoc_data->bss->bssid);
- ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
- if (elems.tim && !elems.parse_error) {
- const struct ieee80211_tim_ie *tim_ie = elems.tim;
- ifmgd->dtim_period = tim_ie->dtim_period;
- }
+ ieee80211_rx_bss_info(sdata, mgmt, len, rx_status);
+
+ if (elems.dtim_period)
+ ifmgd->dtim_period = elems.dtim_period;
ifmgd->have_beacon = true;
ifmgd->assoc_data->need_beacon = false;
if (ieee80211_hw_check(&local->hw, TIMING_BEACON_ONLY)) {
@@ -3750,12 +3828,17 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
le64_to_cpu(mgmt->u.beacon.timestamp);
sdata->vif.bss_conf.sync_device_ts =
rx_status->device_timestamp;
- if (elems.tim)
- sdata->vif.bss_conf.sync_dtim_count =
- elems.tim->dtim_count;
- else
- sdata->vif.bss_conf.sync_dtim_count = 0;
+ sdata->vif.bss_conf.sync_dtim_count = elems.dtim_count;
}
+
+ if (elems.mbssid_config_ie)
+ bss_conf->profile_periodicity =
+ elems.mbssid_config_ie->profile_periodicity;
+
+ if (elems.ext_capab_len >= 11 &&
+ (elems.ext_capab[10] & WLAN_EXT_CAPA11_EMA_SUPPORT))
+ bss_conf->ema_ap = true;
+
/* continue assoc process */
ifmgd->assoc_data->timeout = jiffies;
ifmgd->assoc_data->timeout_started = true;
@@ -3764,7 +3847,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
}
if (!ifmgd->associated ||
- !ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid))
+ !ieee80211_rx_our_beacon(mgmt->bssid, ifmgd->associated))
return;
bssid = ifmgd->associated->bssid;
@@ -3787,7 +3870,8 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ncrc = crc32_be(0, (void *)&mgmt->u.beacon.beacon_int, 4);
ncrc = ieee802_11_parse_elems_crc(mgmt->u.beacon.variable,
len - baselen, false, &elems,
- care_about_ies, ncrc);
+ care_about_ies, ncrc,
+ mgmt->bssid, bssid);
if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) &&
ieee80211_check_tim(elems.tim, elems.tim_len, ifmgd->aid)) {
@@ -3859,11 +3943,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
le64_to_cpu(mgmt->u.beacon.timestamp);
sdata->vif.bss_conf.sync_device_ts =
rx_status->device_timestamp;
- if (elems.tim)
- sdata->vif.bss_conf.sync_dtim_count =
- elems.tim->dtim_count;
- else
- sdata->vif.bss_conf.sync_dtim_count = 0;
+ sdata->vif.bss_conf.sync_dtim_count = elems.dtim_count;
}
if (ncrc == ifmgd->beacon_crc && ifmgd->beacon_crc_valid)
@@ -3871,7 +3951,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ifmgd->beacon_crc = ncrc;
ifmgd->beacon_crc_valid = true;
- ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
+ ieee80211_rx_bss_info(sdata, mgmt, len, rx_status);
ieee80211_sta_process_chanswitch(sdata, rx_status->mactime,
rx_status->device_timestamp,
@@ -3889,10 +3969,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
*/
if (!ifmgd->have_beacon) {
/* a few bogus AP send dtim_period = 0 or no TIM IE */
- if (elems.tim)
- bss_conf->dtim_period = elems.tim->dtim_period ?: 1;
- else
- bss_conf->dtim_period = 1;
+ bss_conf->dtim_period = elems.dtim_period ?: 1;
changed |= BSS_CHANGED_BEACON_INFO;
ifmgd->have_beacon = true;
@@ -3992,9 +4069,10 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
if (ies_len < 0)
break;
+ /* CSA IE cannot be overridden, no need for BSSID */
ieee802_11_parse_elems(
mgmt->u.action.u.chan_switch.variable,
- ies_len, true, &elems);
+ ies_len, true, &elems, mgmt->bssid, NULL);
if (elems.parse_error)
break;
@@ -4011,9 +4089,13 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
if (ies_len < 0)
break;
+ /*
+ * extended CSA IE can't be overridden, no need for
+ * BSSID
+ */
ieee802_11_parse_elems(
mgmt->u.action.u.ext_chan_switch.variable,
- ies_len, true, &elems);
+ ies_len, true, &elems, mgmt->bssid, NULL);
if (elems.parse_error)
break;
@@ -4754,6 +4836,40 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
return ret;
}
+static bool ieee80211_get_dtim(const struct cfg80211_bss_ies *ies,
+ u8 *dtim_count, u8 *dtim_period)
+{
+ const u8 *tim_ie = cfg80211_find_ie(WLAN_EID_TIM, ies->data, ies->len);
+ const u8 *idx_ie = cfg80211_find_ie(WLAN_EID_MULTI_BSSID_IDX, ies->data,
+ ies->len);
+ const struct ieee80211_tim_ie *tim = NULL;
+ const struct ieee80211_bssid_index *idx;
+ bool valid = tim_ie && tim_ie[1] >= 2;
+
+ if (valid)
+ tim = (void *)(tim_ie + 2);
+
+ if (dtim_count)
+ *dtim_count = valid ? tim->dtim_count : 0;
+
+ if (dtim_period)
+ *dtim_period = valid ? tim->dtim_period : 0;
+
+ /* Check if value is overridden by non-transmitted profile */
+ if (!idx_ie || idx_ie[1] < 3)
+ return valid;
+
+ idx = (void *)(idx_ie + 2);
+
+ if (dtim_count)
+ *dtim_count = idx->dtim_count;
+
+ if (dtim_period)
+ *dtim_period = idx->dtim_period;
+
+ return true;
+}
+
static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
struct cfg80211_bss *cbss, bool assoc,
bool override)
@@ -4845,17 +4961,13 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
rcu_read_lock();
ies = rcu_dereference(cbss->beacon_ies);
if (ies) {
- const u8 *tim_ie;
-
sdata->vif.bss_conf.sync_tsf = ies->tsf;
sdata->vif.bss_conf.sync_device_ts =
bss->device_ts_beacon;
- tim_ie = cfg80211_find_ie(WLAN_EID_TIM,
- ies->data, ies->len);
- if (tim_ie && tim_ie[1] >= 2)
- sdata->vif.bss_conf.sync_dtim_count = tim_ie[2];
- else
- sdata->vif.bss_conf.sync_dtim_count = 0;
+
+ ieee80211_get_dtim(ies,
+ &sdata->vif.bss_conf.sync_dtim_count,
+ NULL);
} else if (!ieee80211_hw_check(&sdata->local->hw,
TIMING_BEACON_ONLY)) {
ies = rcu_dereference(cbss->proberesp_ies);
@@ -5325,17 +5437,12 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
assoc_data->timeout_started = true;
assoc_data->need_beacon = true;
} else if (beacon_ies) {
- const u8 *tim_ie = cfg80211_find_ie(WLAN_EID_TIM,
- beacon_ies->data,
- beacon_ies->len);
+ const u8 *ie;
u8 dtim_count = 0;
- if (tim_ie && tim_ie[1] >= sizeof(struct ieee80211_tim_ie)) {
- const struct ieee80211_tim_ie *tim;
- tim = (void *)(tim_ie + 2);
- ifmgd->dtim_period = tim->dtim_period;
- dtim_count = tim->dtim_count;
- }
+ ieee80211_get_dtim(beacon_ies, &dtim_count,
+ &ifmgd->dtim_period);
+
ifmgd->have_beacon = true;
assoc_data->timeout = jiffies;
assoc_data->timeout_started = true;
@@ -5346,6 +5453,17 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
bss->device_ts_beacon;
sdata->vif.bss_conf.sync_dtim_count = dtim_count;
}
+
+ ie = cfg80211_find_ext_ie(WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION,
+ beacon_ies->data, beacon_ies->len);
+ if (ie && ie[1] >= 3)
+ sdata->vif.bss_conf.profile_periodicity = ie[4];
+
+ ie = cfg80211_find_ie(WLAN_EID_EXT_CAPABILITY,
+ beacon_ies->data, beacon_ies->len);
+ if (ie && ie[1] >= 11 &&
+ (ie[10] & WLAN_EXT_CAPA11_EMA_SUPPORT))
+ sdata->vif.bss_conf.ema_ap = true;
} else {
assoc_data->timeout = jiffies;
assoc_data->timeout_started = true;
@@ -5503,6 +5621,9 @@ void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata)
ifmgd->teardown_skb = NULL;
ifmgd->orig_teardown_skb = NULL;
}
+ kfree(ifmgd->assoc_req_ies);
+ ifmgd->assoc_req_ies = NULL;
+ ifmgd->assoc_req_ies_len = 0;
spin_unlock_bh(&ifmgd->teardown_lock);
del_timer_sync(&ifmgd->timer);
sdata_unlock(sdata);
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index f466ec37d161..ccaf951e4e31 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -294,6 +294,15 @@ minstrel_get_ratestats(struct minstrel_ht_sta *mi, int index)
return &mi->groups[index / MCS_GROUP_RATES].rates[index % MCS_GROUP_RATES];
}
+static unsigned int
+minstrel_ht_avg_ampdu_len(struct minstrel_ht_sta *mi)
+{
+ if (!mi->avg_ampdu_len)
+ return AVG_AMPDU_SIZE;
+
+ return MINSTREL_TRUNC(mi->avg_ampdu_len);
+}
+
/*
* Return current throughput based on the average A-MPDU length, taking into
* account the expected number of retransmissions and their expected length
@@ -309,7 +318,7 @@ minstrel_ht_get_tp_avg(struct minstrel_ht_sta *mi, int group, int rate,
return 0;
if (group != MINSTREL_CCK_GROUP)
- nsecs = 1000 * mi->overhead / MINSTREL_TRUNC(mi->avg_ampdu_len);
+ nsecs = 1000 * mi->overhead / minstrel_ht_avg_ampdu_len(mi);
nsecs += minstrel_mcs_groups[group].duration[rate] <<
minstrel_mcs_groups[group].shift;
@@ -503,8 +512,12 @@ minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
u16 tmp_cck_tp_rate[MAX_THR_RATES], index;
if (mi->ampdu_packets > 0) {
- mi->avg_ampdu_len = minstrel_ewma(mi->avg_ampdu_len,
- MINSTREL_FRAC(mi->ampdu_len, mi->ampdu_packets), EWMA_LEVEL);
+ if (!ieee80211_hw_check(mp->hw, TX_STATUS_NO_AMPDU_LEN))
+ mi->avg_ampdu_len = minstrel_ewma(mi->avg_ampdu_len,
+ MINSTREL_FRAC(mi->ampdu_len, mi->ampdu_packets),
+ EWMA_LEVEL);
+ else
+ mi->avg_ampdu_len = 0;
mi->ampdu_len = 0;
mi->ampdu_packets = 0;
}
@@ -709,7 +722,9 @@ minstrel_ht_tx_status(void *priv, struct ieee80211_supported_band *sband,
mi->ampdu_len += info->status.ampdu_len;
if (!mi->sample_wait && !mi->sample_tries && mi->sample_count > 0) {
- mi->sample_wait = 16 + 2 * MINSTREL_TRUNC(mi->avg_ampdu_len);
+ int avg_ampdu_len = minstrel_ht_avg_ampdu_len(mi);
+
+ mi->sample_wait = 16 + 2 * avg_ampdu_len;
mi->sample_tries = 1;
mi->sample_count--;
}
@@ -777,7 +792,7 @@ minstrel_calc_retransmit(struct minstrel_priv *mp, struct minstrel_ht_sta *mi,
unsigned int cw = mp->cw_min;
unsigned int ctime = 0;
unsigned int t_slot = 9; /* FIXME */
- unsigned int ampdu_len = MINSTREL_TRUNC(mi->avg_ampdu_len);
+ unsigned int ampdu_len = minstrel_ht_avg_ampdu_len(mi);
unsigned int overhead = 0, overhead_rtscts = 0;
mrs = minstrel_get_ratestats(mi, index);
diff --git a/net/mac80211/rc80211_minstrel_ht_debugfs.c b/net/mac80211/rc80211_minstrel_ht_debugfs.c
index 57820a5f2c16..31641d0b0f5c 100644
--- a/net/mac80211/rc80211_minstrel_ht_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_ht_debugfs.c
@@ -160,9 +160,10 @@ minstrel_ht_stats_open(struct inode *inode, struct file *file)
"lookaround %d\n",
max(0, (int) mi->total_packets - (int) mi->sample_packets),
mi->sample_packets);
- p += sprintf(p, "Average # of aggregated frames per A-MPDU: %d.%d\n",
- MINSTREL_TRUNC(mi->avg_ampdu_len),
- MINSTREL_TRUNC(mi->avg_ampdu_len * 10) % 10);
+ if (mi->avg_ampdu_len)
+ p += sprintf(p, "Average # of aggregated frames per A-MPDU: %d.%d\n",
+ MINSTREL_TRUNC(mi->avg_ampdu_len),
+ MINSTREL_TRUNC(mi->avg_ampdu_len * 10) % 10);
ms->len = p - ms->buf;
WARN_ON(ms->len + sizeof(*ms) > 32768);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index c2a6da5d80da..7f8d93401ce0 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -5,7 +5,7 @@
* Copyright 2007-2010 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
@@ -208,7 +208,24 @@ ieee80211_rx_radiotap_hdrlen(struct ieee80211_local *local,
}
if (status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA) {
- struct ieee80211_vendor_radiotap *rtap = (void *)skb->data;
+ struct ieee80211_vendor_radiotap *rtap;
+ int vendor_data_offset = 0;
+
+ /*
+ * The position to look at depends on the existence (or non-
+ * existence) of other elements, so take that into account...
+ */
+ if (status->flag & RX_FLAG_RADIOTAP_HE)
+ vendor_data_offset +=
+ sizeof(struct ieee80211_radiotap_he);
+ if (status->flag & RX_FLAG_RADIOTAP_HE_MU)
+ vendor_data_offset +=
+ sizeof(struct ieee80211_radiotap_he_mu);
+ if (status->flag & RX_FLAG_RADIOTAP_LSIG)
+ vendor_data_offset +=
+ sizeof(struct ieee80211_radiotap_lsig);
+
+ rtap = (void *)&skb->data[vendor_data_offset];
/* alignment for fixed 6-byte vendor data header */
len = ALIGN(len, 2);
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 95413413f98c..0cf066700623 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -8,6 +8,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2013-2015 Intel Mobile Communications GmbH
* Copyright 2016-2017 Intel Deutschland GmbH
+ * 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
@@ -57,62 +58,14 @@ static bool is_uapsd_supported(struct ieee802_11_elems *elems)
return qos_info & IEEE80211_WMM_IE_AP_QOSINFO_UAPSD;
}
-struct ieee80211_bss *
-ieee80211_bss_info_update(struct ieee80211_local *local,
- struct ieee80211_rx_status *rx_status,
- struct ieee80211_mgmt *mgmt, size_t len,
- struct ieee802_11_elems *elems,
- struct ieee80211_channel *channel)
+static void
+ieee80211_update_bss_from_elems(struct ieee80211_local *local,
+ struct ieee80211_bss *bss,
+ struct ieee802_11_elems *elems,
+ struct ieee80211_rx_status *rx_status,
+ bool beacon)
{
- bool beacon = ieee80211_is_beacon(mgmt->frame_control);
- struct cfg80211_bss *cbss;
- struct ieee80211_bss *bss;
int clen, srlen;
- struct cfg80211_inform_bss bss_meta = {
- .boottime_ns = rx_status->boottime_ns,
- };
- bool signal_valid;
- struct ieee80211_sub_if_data *scan_sdata;
-
- if (rx_status->flag & RX_FLAG_NO_SIGNAL_VAL)
- bss_meta.signal = 0; /* invalid signal indication */
- else if (ieee80211_hw_check(&local->hw, SIGNAL_DBM))
- bss_meta.signal = rx_status->signal * 100;
- else if (ieee80211_hw_check(&local->hw, SIGNAL_UNSPEC))
- bss_meta.signal = (rx_status->signal * 100) / local->hw.max_signal;
-
- bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_20;
- if (rx_status->bw == RATE_INFO_BW_5)
- bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_5;
- else if (rx_status->bw == RATE_INFO_BW_10)
- bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_10;
-
- bss_meta.chan = channel;
-
- rcu_read_lock();
- scan_sdata = rcu_dereference(local->scan_sdata);
- if (scan_sdata && scan_sdata->vif.type == NL80211_IFTYPE_STATION &&
- scan_sdata->vif.bss_conf.assoc &&
- ieee80211_have_rx_timestamp(rx_status)) {
- bss_meta.parent_tsf =
- ieee80211_calculate_rx_timestamp(local, rx_status,
- len + FCS_LEN, 24);
- ether_addr_copy(bss_meta.parent_bssid,
- scan_sdata->vif.bss_conf.bssid);
- }
- rcu_read_unlock();
-
- cbss = cfg80211_inform_bss_frame_data(local->hw.wiphy, &bss_meta,
- mgmt, len, GFP_ATOMIC);
- if (!cbss)
- return NULL;
- /* In case the signal is invalid update the status */
- signal_valid = abs(channel->center_freq - cbss->channel->center_freq)
- <= local->hw.wiphy->max_adj_channel_rssi_comp;
- if (!signal_valid)
- rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
-
- bss = (void *)cbss->priv;
if (beacon)
bss->device_ts_beacon = rx_status->device_timestamp;
@@ -182,6 +135,89 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
bss->beacon_rate =
&sband->bitrates[rx_status->rate_idx];
}
+}
+
+struct ieee80211_bss *
+ieee80211_bss_info_update(struct ieee80211_local *local,
+ struct ieee80211_rx_status *rx_status,
+ struct ieee80211_mgmt *mgmt, size_t len,
+ struct ieee80211_channel *channel)
+{
+ bool beacon = ieee80211_is_beacon(mgmt->frame_control);
+ struct cfg80211_bss *cbss, *non_tx_cbss;
+ struct ieee80211_bss *bss, *non_tx_bss;
+ struct cfg80211_inform_bss bss_meta = {
+ .boottime_ns = rx_status->boottime_ns,
+ };
+ bool signal_valid;
+ struct ieee80211_sub_if_data *scan_sdata;
+ struct ieee802_11_elems elems;
+ size_t baselen;
+ u8 *elements;
+
+ if (rx_status->flag & RX_FLAG_NO_SIGNAL_VAL)
+ bss_meta.signal = 0; /* invalid signal indication */
+ else if (ieee80211_hw_check(&local->hw, SIGNAL_DBM))
+ bss_meta.signal = rx_status->signal * 100;
+ else if (ieee80211_hw_check(&local->hw, SIGNAL_UNSPEC))
+ bss_meta.signal = (rx_status->signal * 100) / local->hw.max_signal;
+
+ bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_20;
+ if (rx_status->bw == RATE_INFO_BW_5)
+ bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_5;
+ else if (rx_status->bw == RATE_INFO_BW_10)
+ bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_10;
+
+ bss_meta.chan = channel;
+
+ rcu_read_lock();
+ scan_sdata = rcu_dereference(local->scan_sdata);
+ if (scan_sdata && scan_sdata->vif.type == NL80211_IFTYPE_STATION &&
+ scan_sdata->vif.bss_conf.assoc &&
+ ieee80211_have_rx_timestamp(rx_status)) {
+ bss_meta.parent_tsf =
+ ieee80211_calculate_rx_timestamp(local, rx_status,
+ len + FCS_LEN, 24);
+ ether_addr_copy(bss_meta.parent_bssid,
+ scan_sdata->vif.bss_conf.bssid);
+ }
+ rcu_read_unlock();
+
+ cbss = cfg80211_inform_bss_frame_data(local->hw.wiphy, &bss_meta,
+ mgmt, len, GFP_ATOMIC);
+ if (!cbss)
+ return NULL;
+
+ if (ieee80211_is_probe_resp(mgmt->frame_control)) {
+ elements = mgmt->u.probe_resp.variable;
+ baselen = offsetof(struct ieee80211_mgmt,
+ u.probe_resp.variable);
+ } else {
+ baselen = offsetof(struct ieee80211_mgmt, u.beacon.variable);
+ elements = mgmt->u.beacon.variable;
+ }
+
+ if (baselen > len)
+ return NULL;
+
+ ieee802_11_parse_elems(elements, len - baselen, false, &elems,
+ mgmt->bssid, cbss->bssid);
+
+ /* In case the signal is invalid update the status */
+ signal_valid = abs(channel->center_freq - cbss->channel->center_freq)
+ <= local->hw.wiphy->max_adj_channel_rssi_comp;
+ if (!signal_valid)
+ rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
+
+ bss = (void *)cbss->priv;
+ ieee80211_update_bss_from_elems(local, bss, &elems, rx_status, beacon);
+
+ list_for_each_entry(non_tx_cbss, &cbss->nontrans_list, nontrans_list) {
+ non_tx_bss = (void *)non_tx_cbss->priv;
+
+ ieee80211_update_bss_from_elems(local, non_tx_bss, &elems,
+ rx_status, beacon);
+ }
return bss;
}
@@ -206,10 +242,7 @@ void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb)
struct ieee80211_sub_if_data *sdata1, *sdata2;
struct ieee80211_mgmt *mgmt = (void *)skb->data;
struct ieee80211_bss *bss;
- u8 *elements;
struct ieee80211_channel *channel;
- size_t baselen;
- struct ieee802_11_elems elems;
if (skb->len < 24 ||
(!ieee80211_is_probe_resp(mgmt->frame_control) &&
@@ -244,26 +277,15 @@ void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb)
!ieee80211_scan_accept_presp(sdata2, sched_scan_req_flags,
mgmt->da))
return;
-
- elements = mgmt->u.probe_resp.variable;
- baselen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
- } else {
- baselen = offsetof(struct ieee80211_mgmt, u.beacon.variable);
- elements = mgmt->u.beacon.variable;
}
- if (baselen > skb->len)
- return;
-
- ieee802_11_parse_elems(elements, skb->len - baselen, false, &elems);
-
channel = ieee80211_get_channel(local->hw.wiphy, rx_status->freq);
if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
return;
bss = ieee80211_bss_info_update(local, rx_status,
- mgmt, skb->len, &elems,
+ mgmt, skb->len,
channel);
if (bss)
ieee80211_rx_bss_put(local, bss);
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c
index 4e4902bdbef8..3c644f14dd59 100644
--- a/net/mac80211/spectmgmt.c
+++ b/net/mac80211/spectmgmt.c
@@ -177,6 +177,12 @@ int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
csa_ie->chandef = new_vht_chandef;
}
+ if (elems->max_channel_switch_time)
+ csa_ie->max_switch_time =
+ (elems->max_channel_switch_time[0] << 0) |
+ (elems->max_channel_switch_time[1] << 8) |
+ (elems->max_channel_switch_time[2] << 16);
+
return 0;
}
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index c4a8f115ed33..11f058987a54 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -90,7 +90,6 @@ static void __cleanup_single_sta(struct sta_info *sta)
struct tid_ampdu_tx *tid_tx;
struct ieee80211_sub_if_data *sdata = sta->sdata;
struct ieee80211_local *local = sdata->local;
- struct fq *fq = &local->fq;
struct ps_data *ps;
if (test_sta_flag(sta, WLAN_STA_PS_STA) ||
@@ -120,9 +119,7 @@ static void __cleanup_single_sta(struct sta_info *sta)
txqi = to_txq_info(sta->sta.txq[i]);
- spin_lock_bh(&fq->lock);
ieee80211_txq_purge(local, txqi);
- spin_unlock_bh(&fq->lock);
}
}
@@ -387,9 +384,12 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
if (sta_prepare_rate_control(local, sta, gfp))
goto free_txq;
+ sta->airtime_weight = IEEE80211_DEFAULT_AIRTIME_WEIGHT;
+
for (i = 0; i < IEEE80211_NUM_ACS; i++) {
skb_queue_head_init(&sta->ps_tx_buf[i]);
skb_queue_head_init(&sta->tx_filtered[i]);
+ sta->airtime[i].deficit = sta->airtime_weight;
}
for (i = 0; i < IEEE80211_NUM_TIDS; i++)
@@ -1249,7 +1249,7 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta)
if (!sta->sta.txq[i] || !txq_has_queue(sta->sta.txq[i]))
continue;
- drv_wake_tx_queue(local, to_txq_info(sta->sta.txq[i]));
+ schedule_and_wake_txq(local, to_txq_info(sta->sta.txq[i]));
}
skb_queue_head_init(&pending);
@@ -1826,6 +1826,27 @@ void ieee80211_sta_set_buffered(struct ieee80211_sta *pubsta,
}
EXPORT_SYMBOL(ieee80211_sta_set_buffered);
+void ieee80211_sta_register_airtime(struct ieee80211_sta *pubsta, u8 tid,
+ u32 tx_airtime, u32 rx_airtime)
+{
+ struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
+ struct ieee80211_local *local = sta->sdata->local;
+ u8 ac = ieee80211_ac_from_tid(tid);
+ u32 airtime = 0;
+
+ if (sta->local->airtime_flags & AIRTIME_USE_TX)
+ airtime += tx_airtime;
+ if (sta->local->airtime_flags & AIRTIME_USE_RX)
+ airtime += rx_airtime;
+
+ spin_lock_bh(&local->active_txq_lock[ac]);
+ sta->airtime[ac].tx_airtime += tx_airtime;
+ sta->airtime[ac].rx_airtime += rx_airtime;
+ sta->airtime[ac].deficit -= airtime;
+ spin_unlock_bh(&local->active_txq_lock[ac]);
+}
+EXPORT_SYMBOL(ieee80211_sta_register_airtime);
+
int sta_info_move_state(struct sta_info *sta,
enum ieee80211_sta_state new_state)
{
@@ -2188,6 +2209,23 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo,
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
}
+ if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_DURATION))) {
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
+ sinfo->rx_duration += sta->airtime[ac].rx_airtime;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION);
+ }
+
+ if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_DURATION))) {
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
+ sinfo->tx_duration += sta->airtime[ac].tx_airtime;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_DURATION);
+ }
+
+ if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_AIRTIME_WEIGHT))) {
+ sinfo->airtime_weight = sta->airtime_weight;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_AIRTIME_WEIGHT);
+ }
+
sinfo->rx_dropped_misc = sta->rx_stats.dropped;
if (sta->pcpu_rx_stats) {
for_each_possible_cpu(cpu) {
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 8eb29041be54..71f7e4973329 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -127,6 +127,16 @@ enum ieee80211_agg_stop_reason {
AGG_STOP_DESTROY_STA,
};
+/* Debugfs flags to enable/disable use of RX/TX airtime in scheduler */
+#define AIRTIME_USE_TX BIT(0)
+#define AIRTIME_USE_RX BIT(1)
+
+struct airtime_info {
+ u64 rx_airtime;
+ u64 tx_airtime;
+ s64 deficit;
+};
+
struct sta_info;
/**
@@ -343,6 +353,7 @@ struct ieee80211_fast_rx {
/* we use only values in the range 0-100, so pick a large precision */
DECLARE_EWMA(mesh_fail_avg, 20, 8)
+DECLARE_EWMA(mesh_tx_rate_avg, 8, 16)
/**
* struct mesh_sta - mesh STA information
@@ -366,6 +377,7 @@ DECLARE_EWMA(mesh_fail_avg, 20, 8)
* processed
* @connected_to_gate: true if mesh STA has a path to a mesh gate
* @fail_avg: moving percentage of failed MSDUs
+ * @tx_rate_avg: moving average of tx bitrate
*/
struct mesh_sta {
struct timer_list plink_timer;
@@ -394,6 +406,8 @@ struct mesh_sta {
/* moving percentage of failed MSDUs */
struct ewma_mesh_fail_avg fail_avg;
+ /* moving average of tx bitrate */
+ struct ewma_mesh_tx_rate_avg tx_rate_avg;
};
DECLARE_EWMA(signal, 10, 8)
@@ -459,6 +473,9 @@ struct ieee80211_sta_rx_stats {
* @last_seq_ctrl: last received seq/frag number from this STA (per TID
* plus one for non-QoS frames)
* @tid_seq: per-TID sequence numbers for sending to this STA
+ * @airtime: per-AC struct airtime_info describing airtime statistics for this
+ * station
+ * @airtime_weight: station weight for airtime fairness calculation purposes
* @ampdu_mlme: A-MPDU state machine state
* @mesh: mesh STA information
* @debugfs_dir: debug filesystem directory dentry
@@ -480,10 +497,28 @@ struct ieee80211_sta_rx_stats {
* @tdls_chandef: a TDLS peer can have a wider chandef that is compatible to
* the BSS one.
* @tx_stats: TX statistics
+ * @tx_stats.packets: # of packets transmitted
+ * @tx_stats.bytes: # of bytes in all packets transmitted
+ * @tx_stats.last_rate: last TX rate
+ * @tx_stats.msdu: # of transmitted MSDUs per TID
* @rx_stats: RX statistics
+ * @rx_stats_avg: averaged RX statistics
+ * @rx_stats_avg.signal: averaged signal
+ * @rx_stats_avg.chain_signal: averaged per-chain signal
* @pcpu_rx_stats: per-CPU RX statistics, assigned only if the driver needs
* this (by advertising the USES_RSS hw flag)
* @status_stats: TX status statistics
+ * @status_stats.filtered: # of filtered frames
+ * @status_stats.retry_failed: # of frames that failed after retry
+ * @status_stats.retry_count: # of retries attempted
+ * @status_stats.lost_packets: # of lost packets
+ * @status_stats.last_tdls_pkt_time: timestamp of last TDLS packet
+ * @status_stats.msdu_retries: # of MSDU retries
+ * @status_stats.msdu_failed: # of failed MSDUs
+ * @status_stats.last_ack: last ack timestamp (jiffies)
+ * @status_stats.last_ack_signal: last ACK signal
+ * @status_stats.ack_signal_filled: last ACK signal validity
+ * @status_stats.avg_ack_signal: average ACK signal
*/
struct sta_info {
/* General information, mostly static */
@@ -565,6 +600,9 @@ struct sta_info {
} tx_stats;
u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1];
+ struct airtime_info airtime[IEEE80211_NUM_ACS];
+ u16 airtime_weight;
+
/*
* Aggregation information, locked with lock.
*/
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 3f0b96e1e02f..5b9952b1caf3 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -823,6 +823,12 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw,
ieee80211_sta_tx_notify(sta->sdata, (void *) skb->data,
acked, info->status.tx_time);
+ if (info->status.tx_time &&
+ wiphy_ext_feature_isset(local->hw.wiphy,
+ NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
+ ieee80211_sta_register_airtime(&sta->sta, tid,
+ info->status.tx_time, 0);
+
if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
if (info->flags & IEEE80211_TX_STAT_ACK) {
if (sta->status_stats.lost_packets)
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index 6c647f425e05..d30690d79a58 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -5,6 +5,7 @@
* Copyright 2014, Intel Corporation
* Copyright 2014 Intel Mobile Communications GmbH
* Copyright 2015 - 2016 Intel Deutschland GmbH
+ * Copyright (C) 2019 Intel Corporation
*
* This file is GPLv2 as found in COPYING.
*/
@@ -1716,7 +1717,8 @@ ieee80211_process_tdls_channel_switch_resp(struct ieee80211_sub_if_data *sdata,
}
ieee802_11_parse_elems(tf->u.chan_switch_resp.variable,
- skb->len - baselen, false, &elems);
+ skb->len - baselen, false, &elems,
+ NULL, NULL);
if (elems.parse_error) {
tdls_dbg(sdata, "Invalid IEs in TDLS channel switch resp\n");
ret = -EINVAL;
@@ -1828,7 +1830,7 @@ ieee80211_process_tdls_channel_switch_req(struct ieee80211_sub_if_data *sdata,
}
ieee802_11_parse_elems(tf->u.chan_switch_req.variable,
- skb->len - baselen, false, &elems);
+ skb->len - baselen, false, &elems, NULL, NULL);
if (elems.parse_error) {
tdls_dbg(sdata, "Invalid IEs in TDLS channel switch req\n");
return -EINVAL;
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 35ea0dcb55e6..8ba70d26b82e 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -1,8 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Portions of this file
-* Copyright(c) 2016 Intel Deutschland GmbH
-* Copyright (C) 2018 Intel Corporation
+* Copyright(c) 2016-2017 Intel Deutschland GmbH
+* Copyright (C) 2018 - 2019 Intel Corporation
*/
#if !defined(__MAC80211_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)
@@ -2452,6 +2452,48 @@ DEFINE_EVENT(local_sdata_evt, drv_post_channel_switch,
TP_ARGS(local, sdata)
);
+DEFINE_EVENT(local_sdata_evt, drv_abort_channel_switch,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata),
+ TP_ARGS(local, sdata)
+);
+
+TRACE_EVENT(drv_channel_switch_rx_beacon,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_channel_switch *ch_switch),
+
+ TP_ARGS(local, sdata, ch_switch),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ VIF_ENTRY
+ CHANDEF_ENTRY
+ __field(u64, timestamp)
+ __field(u32, device_timestamp)
+ __field(bool, block_tx)
+ __field(u8, count)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ VIF_ASSIGN;
+ CHANDEF_ASSIGN(&ch_switch->chandef)
+ __entry->timestamp = ch_switch->timestamp;
+ __entry->device_timestamp = ch_switch->device_timestamp;
+ __entry->block_tx = ch_switch->block_tx;
+ __entry->count = ch_switch->count;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT VIF_PR_FMT
+ " received a channel switch beacon to "
+ CHANDEF_PR_FMT " count:%d block_tx:%d timestamp:%llu",
+ LOCAL_PR_ARG, VIF_PR_ARG, CHANDEF_PR_ARG, __entry->count,
+ __entry->block_tx, __entry->timestamp
+ )
+);
+
TRACE_EVENT(drv_get_txpower,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 928f13a208b0..8a49a74c0a37 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1449,6 +1449,7 @@ void ieee80211_txq_init(struct ieee80211_sub_if_data *sdata,
codel_vars_init(&txqi->def_cvars);
codel_stats_init(&txqi->cstats);
__skb_queue_head_init(&txqi->frags);
+ INIT_LIST_HEAD(&txqi->schedule_order);
txqi->txq.vif = &sdata->vif;
@@ -1487,8 +1488,14 @@ void ieee80211_txq_purge(struct ieee80211_local *local,
struct fq *fq = &local->fq;
struct fq_tin *tin = &txqi->tin;
+ spin_lock_bh(&fq->lock);
fq_tin_reset(fq, tin, fq_skb_free_func);
ieee80211_purge_tx_queue(&local->hw, &txqi->frags);
+ spin_unlock_bh(&fq->lock);
+
+ spin_lock_bh(&local->active_txq_lock[txqi->txq.ac]);
+ list_del_init(&txqi->schedule_order);
+ spin_unlock_bh(&local->active_txq_lock[txqi->txq.ac]);
}
void ieee80211_txq_set_params(struct ieee80211_local *local)
@@ -1605,7 +1612,7 @@ static bool ieee80211_queue_skb(struct ieee80211_local *local,
ieee80211_txq_enqueue(local, txqi, skb);
spin_unlock_bh(&fq->lock);
- drv_wake_tx_queue(local, txqi);
+ schedule_and_wake_txq(local, txqi);
return true;
}
@@ -3636,6 +3643,151 @@ out:
}
EXPORT_SYMBOL(ieee80211_tx_dequeue);
+struct ieee80211_txq *ieee80211_next_txq(struct ieee80211_hw *hw, u8 ac)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ struct txq_info *txqi = NULL;
+
+ lockdep_assert_held(&local->active_txq_lock[ac]);
+
+ begin:
+ txqi = list_first_entry_or_null(&local->active_txqs[ac],
+ struct txq_info,
+ schedule_order);
+ if (!txqi)
+ return NULL;
+
+ if (txqi->txq.sta) {
+ struct sta_info *sta = container_of(txqi->txq.sta,
+ struct sta_info, sta);
+
+ if (sta->airtime[txqi->txq.ac].deficit < 0) {
+ sta->airtime[txqi->txq.ac].deficit +=
+ sta->airtime_weight;
+ list_move_tail(&txqi->schedule_order,
+ &local->active_txqs[txqi->txq.ac]);
+ goto begin;
+ }
+ }
+
+
+ if (txqi->schedule_round == local->schedule_round[ac])
+ return NULL;
+
+ list_del_init(&txqi->schedule_order);
+ txqi->schedule_round = local->schedule_round[ac];
+ return &txqi->txq;
+}
+EXPORT_SYMBOL(ieee80211_next_txq);
+
+void ieee80211_return_txq(struct ieee80211_hw *hw,
+ struct ieee80211_txq *txq)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ struct txq_info *txqi = to_txq_info(txq);
+
+ lockdep_assert_held(&local->active_txq_lock[txq->ac]);
+
+ if (list_empty(&txqi->schedule_order) &&
+ (!skb_queue_empty(&txqi->frags) || txqi->tin.backlog_packets)) {
+ /* If airtime accounting is active, always enqueue STAs at the
+ * head of the list to ensure that they only get moved to the
+ * back by the airtime DRR scheduler once they have a negative
+ * deficit. A station that already has a negative deficit will
+ * get immediately moved to the back of the list on the next
+ * call to ieee80211_next_txq().
+ */
+ if (txqi->txq.sta &&
+ wiphy_ext_feature_isset(local->hw.wiphy,
+ NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
+ list_add(&txqi->schedule_order,
+ &local->active_txqs[txq->ac]);
+ else
+ list_add_tail(&txqi->schedule_order,
+ &local->active_txqs[txq->ac]);
+ }
+}
+EXPORT_SYMBOL(ieee80211_return_txq);
+
+void ieee80211_schedule_txq(struct ieee80211_hw *hw,
+ struct ieee80211_txq *txq)
+ __acquires(txq_lock) __releases(txq_lock)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ spin_lock_bh(&local->active_txq_lock[txq->ac]);
+ ieee80211_return_txq(hw, txq);
+ spin_unlock_bh(&local->active_txq_lock[txq->ac]);
+}
+EXPORT_SYMBOL(ieee80211_schedule_txq);
+
+bool ieee80211_txq_may_transmit(struct ieee80211_hw *hw,
+ struct ieee80211_txq *txq)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ struct txq_info *iter, *tmp, *txqi = to_txq_info(txq);
+ struct sta_info *sta;
+ u8 ac = txq->ac;
+
+ lockdep_assert_held(&local->active_txq_lock[ac]);
+
+ if (!txqi->txq.sta)
+ goto out;
+
+ if (list_empty(&txqi->schedule_order))
+ goto out;
+
+ list_for_each_entry_safe(iter, tmp, &local->active_txqs[ac],
+ schedule_order) {
+ if (iter == txqi)
+ break;
+
+ if (!iter->txq.sta) {
+ list_move_tail(&iter->schedule_order,
+ &local->active_txqs[ac]);
+ continue;
+ }
+ sta = container_of(iter->txq.sta, struct sta_info, sta);
+ if (sta->airtime[ac].deficit < 0)
+ sta->airtime[ac].deficit += sta->airtime_weight;
+ list_move_tail(&iter->schedule_order, &local->active_txqs[ac]);
+ }
+
+ sta = container_of(txqi->txq.sta, struct sta_info, sta);
+ if (sta->airtime[ac].deficit >= 0)
+ goto out;
+
+ sta->airtime[ac].deficit += sta->airtime_weight;
+ list_move_tail(&txqi->schedule_order, &local->active_txqs[ac]);
+
+ return false;
+out:
+ if (!list_empty(&txqi->schedule_order))
+ list_del_init(&txqi->schedule_order);
+
+ return true;
+}
+EXPORT_SYMBOL(ieee80211_txq_may_transmit);
+
+void ieee80211_txq_schedule_start(struct ieee80211_hw *hw, u8 ac)
+ __acquires(txq_lock)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ spin_lock_bh(&local->active_txq_lock[ac]);
+ local->schedule_round[ac]++;
+}
+EXPORT_SYMBOL(ieee80211_txq_schedule_start);
+
+void ieee80211_txq_schedule_end(struct ieee80211_hw *hw, u8 ac)
+ __releases(txq_lock)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ spin_unlock_bh(&local->active_txq_lock[ac]);
+}
+EXPORT_SYMBOL(ieee80211_txq_schedule_end);
+
void __ieee80211_subif_start_xmit(struct sk_buff *skb,
struct net_device *dev,
u32 info_flags)
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index ba950ae974fc..4c1655972565 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -891,33 +891,24 @@ void ieee80211_queue_delayed_work(struct ieee80211_hw *hw,
}
EXPORT_SYMBOL(ieee80211_queue_delayed_work);
-u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
- struct ieee802_11_elems *elems,
- u64 filter, u32 crc)
+static u32
+_ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
+ struct ieee802_11_elems *elems,
+ u64 filter, u32 crc, u8 *transmitter_bssid,
+ u8 *bss_bssid)
{
- size_t left = len;
- const u8 *pos = start;
+ const struct element *elem, *sub;
bool calc_crc = filter != 0;
DECLARE_BITMAP(seen_elems, 256);
const u8 *ie;
bitmap_zero(seen_elems, 256);
- memset(elems, 0, sizeof(*elems));
- elems->ie_start = start;
- elems->total_len = len;
- while (left >= 2) {
- u8 id, elen;
+ for_each_element(elem, start, len) {
bool elem_parse_failed;
-
- id = *pos++;
- elen = *pos++;
- left -= 2;
-
- if (elen > left) {
- elems->parse_error = true;
- break;
- }
+ u8 id = elem->id;
+ u8 elen = elem->datalen;
+ const u8 *pos = elem->data;
switch (id) {
case WLAN_EID_SSID:
@@ -960,8 +951,6 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
*/
if (test_bit(id, seen_elems)) {
elems->parse_error = true;
- left -= elen;
- pos += elen;
continue;
}
break;
@@ -1219,6 +1208,57 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
if (elen >= sizeof(*elems->max_idle_period_ie))
elems->max_idle_period_ie = (void *)pos;
break;
+ case WLAN_EID_MULTIPLE_BSSID:
+ if (!bss_bssid || !transmitter_bssid || elen < 4)
+ break;
+
+ elems->max_bssid_indicator = pos[0];
+
+ for_each_element(sub, pos + 1, elen - 1) {
+ u8 sub_len = sub->datalen;
+ u8 new_bssid[ETH_ALEN];
+ const u8 *index;
+
+ /*
+ * we only expect the "non-transmitted BSSID
+ * profile" subelement (subelement id 0)
+ */
+ if (sub->id != 0 || sub->datalen < 4) {
+ /* not a valid BSS profile */
+ continue;
+ }
+
+ if (sub->data[0] != WLAN_EID_NON_TX_BSSID_CAP ||
+ sub->data[1] != 2) {
+ /* The first element of the
+ * Nontransmitted BSSID Profile is not
+ * the Nontransmitted BSSID Capability
+ * element.
+ */
+ continue;
+ }
+
+ /* found a Nontransmitted BSSID Profile */
+ index = cfg80211_find_ie(WLAN_EID_MULTI_BSSID_IDX,
+ sub->data, sub_len);
+ if (!index || index[1] < 1 || index[2] == 0) {
+ /* Invalid MBSSID Index element */
+ continue;
+ }
+
+ cfg80211_gen_new_bssid(transmitter_bssid,
+ pos[0],
+ index[2],
+ new_bssid);
+ if (ether_addr_equal(new_bssid, bss_bssid)) {
+ elems->nontransmitted_bssid_profile =
+ (void *)sub;
+ elems->bssid_index_len = index[1];
+ elems->bssid_index = (void *)&index[2];
+ break;
+ }
+ }
+ break;
case WLAN_EID_EXTENSION:
if (pos[0] == WLAN_EID_EXT_HE_MU_EDCA &&
elen >= (sizeof(*elems->mu_edca_param_set) + 1)) {
@@ -1234,6 +1274,14 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
elems->he_operation = (void *)&pos[1];
} else if (pos[0] == WLAN_EID_EXT_UORA && elen >= 1) {
elems->uora_element = (void *)&pos[1];
+ } else if (pos[0] ==
+ WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME &&
+ elen == 4) {
+ elems->max_channel_switch_time = pos + 1;
+ } else if (pos[0] ==
+ WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION &&
+ elen == 3) {
+ elems->mbssid_config_ie = (void *)&pos[1];
}
break;
default:
@@ -1244,17 +1292,56 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
elems->parse_error = true;
else
__set_bit(id, seen_elems);
-
- left -= elen;
- pos += elen;
}
- if (left != 0)
+ if (!for_each_element_completed(elem, start, len))
elems->parse_error = true;
return crc;
}
+u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
+ struct ieee802_11_elems *elems,
+ u64 filter, u32 crc, u8 *transmitter_bssid,
+ u8 *bss_bssid)
+{
+ memset(elems, 0, sizeof(*elems));
+ elems->ie_start = start;
+ elems->total_len = len;
+
+ crc = _ieee802_11_parse_elems_crc(start, len, action, elems, filter,
+ crc, transmitter_bssid, bss_bssid);
+
+ /* Override with nontransmitted profile, if found */
+ if (transmitter_bssid && elems->nontransmitted_bssid_profile) {
+ const u8 *profile = elems->nontransmitted_bssid_profile;
+
+ _ieee802_11_parse_elems_crc(&profile[2], profile[1],
+ action, elems, 0, 0,
+ transmitter_bssid, bss_bssid);
+ }
+
+ if (elems->tim && !elems->parse_error) {
+ const struct ieee80211_tim_ie *tim_ie = elems->tim;
+
+ elems->dtim_period = tim_ie->dtim_period;
+ elems->dtim_count = tim_ie->dtim_count;
+ }
+
+ /* Override DTIM period and count if needed */
+ if (elems->bssid_index &&
+ elems->bssid_index_len >=
+ offsetofend(struct ieee80211_bssid_index, dtim_period))
+ elems->dtim_period = elems->bssid_index->dtim_period;
+
+ if (elems->bssid_index &&
+ elems->bssid_index_len >=
+ offsetofend(struct ieee80211_bssid_index, dtim_count))
+ elems->dtim_count = elems->bssid_index->dtim_count;
+
+ return crc;
+}
+
void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata,
struct ieee80211_tx_queue_params
*qparam, int ac)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.