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-rw-r--r--net/mac80211/Kconfig2
-rw-r--r--net/mac80211/cfg.c1
-rw-r--r--net/mac80211/debugfs.c6
-rw-r--r--net/mac80211/ibss.c11
-rw-r--r--net/mac80211/ieee80211_i.h2
-rw-r--r--net/mac80211/main.c33
-rw-r--r--net/mac80211/mlme.c8
-rw-r--r--net/mac80211/rx.c12
-rw-r--r--net/mac80211/scan.c15
-rw-r--r--net/mac80211/tx.c1
-rw-r--r--net/mac80211/util.c6
-rw-r--r--net/mac80211/work.c59
12 files changed, 113 insertions, 43 deletions
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index c766056d0488..dbf5e4006bc1 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -17,7 +17,7 @@ comment "CFG80211 needs to be enabled for MAC80211"
if MAC80211 != n
config MAC80211_HAS_RC
- def_bool n
+ bool
config MAC80211_RC_PID
bool "PID controller based rate control algorithm" if EXPERT
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 2ba3af850dda..140503d4c97a 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1863,6 +1863,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
wk->chan = chan;
+ wk->chan_type = channel_type;
wk->sdata = sdata;
wk->done = ieee80211_offchan_tx_done;
wk->offchan_tx.frame = skb;
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 1f02e599a318..51f0d780dafa 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -60,6 +60,10 @@ static const struct file_operations name## _ops = { \
debugfs_create_file(#name, mode, phyd, local, &name## _ops);
+DEBUGFS_READONLY_FILE(user_power, "%d",
+ local->user_power_level);
+DEBUGFS_READONLY_FILE(power, "%d",
+ local->hw.conf.power_level);
DEBUGFS_READONLY_FILE(frequency, "%d",
local->hw.conf.channel->center_freq);
DEBUGFS_READONLY_FILE(total_ps_buffered, "%d",
@@ -391,6 +395,8 @@ void debugfs_hw_add(struct ieee80211_local *local)
DEBUGFS_ADD(uapsd_queues);
DEBUGFS_ADD(uapsd_max_sp_len);
DEBUGFS_ADD(channel_type);
+ DEBUGFS_ADD(user_power);
+ DEBUGFS_ADD(power);
statsd = debugfs_create_dir("statistics", phyd);
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 775fb63471c4..a42aa61269ea 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -664,12 +664,13 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
}
static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt,
- size_t len)
+ struct sk_buff *req)
{
+ struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(req);
+ struct ieee80211_mgmt *mgmt = (void *)req->data;
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
struct ieee80211_local *local = sdata->local;
- int tx_last_beacon;
+ int tx_last_beacon, len = req->len;
struct sk_buff *skb;
struct ieee80211_mgmt *resp;
u8 *pos, *end;
@@ -689,7 +690,7 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
mgmt->bssid, tx_last_beacon);
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
- if (!tx_last_beacon)
+ if (!tx_last_beacon && !(rx_status->rx_flags & IEEE80211_RX_RA_MATCH))
return;
if (memcmp(mgmt->bssid, ifibss->bssid, ETH_ALEN) != 0 &&
@@ -786,7 +787,7 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
switch (fc & IEEE80211_FCTL_STYPE) {
case IEEE80211_STYPE_PROBE_REQ:
- ieee80211_rx_mgmt_probe_req(sdata, mgmt, skb->len);
+ ieee80211_rx_mgmt_probe_req(sdata, skb);
break;
case IEEE80211_STYPE_PROBE_RESP:
ieee80211_rx_mgmt_probe_resp(sdata, mgmt, skb->len,
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index f2ef15d910a5..0a570a111a84 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1066,8 +1066,6 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
void ieee80211_configure_filter(struct ieee80211_local *local);
u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
-extern bool ieee80211_disable_40mhz_24ghz;
-
/* STA code */
void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index c155c0b69426..2543e48bd813 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -34,7 +34,7 @@
#include "debugfs.h"
-bool ieee80211_disable_40mhz_24ghz;
+static bool ieee80211_disable_40mhz_24ghz;
module_param(ieee80211_disable_40mhz_24ghz, bool, 0644);
MODULE_PARM_DESC(ieee80211_disable_40mhz_24ghz,
"Disable 40MHz support in the 2.4GHz band");
@@ -112,7 +112,13 @@ bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local)
/* This logic needs to match logic in ieee80211_hw_config */
if (local->scan_channel) {
chan = local->scan_channel;
- channel_type = NL80211_CHAN_NO_HT;
+ /* If scanning on oper channel, use whatever channel-type
+ * is currently in use.
+ */
+ if (chan == local->oper_channel)
+ channel_type = local->_oper_channel_type;
+ else
+ channel_type = NL80211_CHAN_NO_HT;
} else if (local->tmp_channel) {
chan = scan_chan = local->tmp_channel;
channel_type = local->tmp_channel_type;
@@ -151,7 +157,13 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
if (scan_chan) {
chan = scan_chan;
- channel_type = NL80211_CHAN_NO_HT;
+ /* If scanning on oper channel, use whatever channel-type
+ * is currently in use.
+ */
+ if (chan == local->oper_channel)
+ channel_type = local->_oper_channel_type;
+ else
+ channel_type = NL80211_CHAN_NO_HT;
} else if (local->tmp_channel) {
chan = scan_chan = local->tmp_channel;
channel_type = local->tmp_channel_type;
@@ -187,7 +199,8 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
changed |= IEEE80211_CONF_CHANGE_SMPS;
}
- if (scan_chan)
+ if ((local->scanning & SCAN_SW_SCANNING) ||
+ (local->scanning & SCAN_HW_SCANNING))
power = chan->max_power;
else
power = local->power_constr_level ?
@@ -710,6 +723,18 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
}
channels += sband->n_channels;
+ /*
+ * Since ieee80211_disable_40mhz_24ghz is global, we can
+ * modify the sband's ht data even if the driver uses a
+ * global structure for that.
+ */
+ if (ieee80211_disable_40mhz_24ghz &&
+ band == IEEE80211_BAND_2GHZ &&
+ sband->ht_cap.ht_supported) {
+ sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+ sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SGI_40;
+ }
+
if (max_bitrates < sband->n_bitrates)
max_bitrates = sband->n_bitrates;
supp_ht = supp_ht || sband->ht_cap.ht_supported;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index f77adf1a520e..7b3f9df725bd 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1071,6 +1071,12 @@ void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
if (is_multicast_ether_addr(hdr->addr1))
return;
+ /*
+ * In case we receive frames after disassociation.
+ */
+ if (!sdata->u.mgd.associated)
+ return;
+
ieee80211_sta_reset_conn_monitor(sdata);
}
@@ -2294,6 +2300,7 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
else
wk->type = IEEE80211_WORK_DIRECT_PROBE;
wk->chan = req->bss->channel;
+ wk->chan_type = NL80211_CHAN_NO_HT;
wk->sdata = sdata;
wk->done = ieee80211_probe_auth_done;
@@ -2443,6 +2450,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
memcpy(wk->assoc.prev_bssid, req->prev_bssid, ETH_ALEN);
wk->chan = req->bss->channel;
+ wk->chan_type = NL80211_CHAN_NO_HT;
wk->sdata = sdata;
wk->done = ieee80211_assoc_done;
if (!bss->dtim_period &&
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 045b2fe4a414..f502634d43af 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -832,18 +832,8 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
ieee80211_is_pspoll(hdr->frame_control)) &&
rx->sdata->vif.type != NL80211_IFTYPE_ADHOC &&
rx->sdata->vif.type != NL80211_IFTYPE_WDS &&
- (!rx->sta || !test_sta_flags(rx->sta, WLAN_STA_ASSOC)))) {
- if ((!ieee80211_has_fromds(hdr->frame_control) &&
- !ieee80211_has_tods(hdr->frame_control) &&
- ieee80211_is_data(hdr->frame_control)) ||
- !(status->rx_flags & IEEE80211_RX_RA_MATCH)) {
- /* Drop IBSS frames and frames for other hosts
- * silently. */
- return RX_DROP_MONITOR;
- }
-
+ (!rx->sta || !test_sta_flags(rx->sta, WLAN_STA_ASSOC))))
return RX_DROP_MONITOR;
- }
return RX_CONTINUE;
}
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 0ea6adae3e06..842954509925 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -307,11 +307,15 @@ static void __ieee80211_scan_completed_finish(struct ieee80211_hw *hw,
mutex_lock(&local->mtx);
on_oper_chan = ieee80211_cfg_on_oper_channel(local);
+ WARN_ON(local->scanning & (SCAN_SW_SCANNING | SCAN_HW_SCANNING));
+
if (was_hw_scan || !on_oper_chan) {
if (WARN_ON(local->scan_channel))
local->scan_channel = NULL;
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
- }
+ } else
+ /* Set power back to normal operating levels. */
+ ieee80211_hw_config(local, 0);
if (!was_hw_scan) {
bool on_oper_chan2;
@@ -377,6 +381,9 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local)
ieee80211_configure_filter(local);
+ /* We need to set power level at maximum rate for scanning. */
+ ieee80211_hw_config(local, 0);
+
ieee80211_queue_delayed_work(&local->hw,
&local->scan_work,
IEEE80211_CHANNEL_TIME);
@@ -517,8 +524,7 @@ static void ieee80211_scan_state_decision(struct ieee80211_local *local,
if (ieee80211_cfg_on_oper_channel(local)) {
/* We're currently on operating channel. */
- if ((next_chan == local->oper_channel) &&
- (local->_oper_channel_type == NL80211_CHAN_NO_HT))
+ if (next_chan == local->oper_channel)
/* We don't need to move off of operating channel. */
local->next_scan_state = SCAN_SET_CHANNEL;
else
@@ -620,8 +626,7 @@ static void ieee80211_scan_state_set_channel(struct ieee80211_local *local,
local->scan_channel = chan;
/* Only call hw-config if we really need to change channels. */
- if ((chan != local->hw.conf.channel) ||
- (local->hw.conf.channel_type != NL80211_CHAN_NO_HT))
+ if (chan != local->hw.conf.channel)
if (ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL))
skip = 1;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 17ef4f4e8602..34edf7f22b0e 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -236,6 +236,7 @@ ieee80211_tx_h_dynamic_ps(struct ieee80211_tx_data *tx)
if (local->hw.conf.flags & IEEE80211_CONF_PS) {
ieee80211_stop_queues_by_reason(&local->hw,
IEEE80211_QUEUE_STOP_REASON_PS);
+ ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
ieee80211_queue_work(&local->hw,
&local->dynamic_ps_disable_work);
}
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index d036597aabbe..556647a910ac 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -986,12 +986,6 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
u16 cap = sband->ht_cap.cap;
__le16 tmp;
- if (ieee80211_disable_40mhz_24ghz &&
- sband->band == IEEE80211_BAND_2GHZ) {
- cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
- cap &= ~IEEE80211_HT_CAP_SGI_40;
- }
-
*pos++ = WLAN_EID_HT_CAPABILITY;
*pos++ = sizeof(struct ieee80211_ht_cap);
memset(pos, 0, sizeof(struct ieee80211_ht_cap));
diff --git a/net/mac80211/work.c b/net/mac80211/work.c
index 6bf787a5b38a..204f0a4db969 100644
--- a/net/mac80211/work.c
+++ b/net/mac80211/work.c
@@ -126,12 +126,6 @@ static void ieee80211_add_ht_ie(struct sk_buff *skb, const u8 *ht_info_ie,
/* determine capability flags */
- if (ieee80211_disable_40mhz_24ghz &&
- sband->band == IEEE80211_BAND_2GHZ) {
- cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
- cap &= ~IEEE80211_HT_CAP_SGI_40;
- }
-
switch (ht_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
if (flags & IEEE80211_CHAN_NO_HT40PLUS) {
@@ -874,6 +868,44 @@ static void ieee80211_work_rx_queued_mgmt(struct ieee80211_local *local,
kfree_skb(skb);
}
+static bool ieee80211_work_ct_coexists(enum nl80211_channel_type wk_ct,
+ enum nl80211_channel_type oper_ct)
+{
+ switch (wk_ct) {
+ case NL80211_CHAN_NO_HT:
+ return true;
+ case NL80211_CHAN_HT20:
+ if (oper_ct != NL80211_CHAN_NO_HT)
+ return true;
+ return false;
+ case NL80211_CHAN_HT40MINUS:
+ case NL80211_CHAN_HT40PLUS:
+ return (wk_ct == oper_ct);
+ }
+ WARN_ON(1); /* shouldn't get here */
+ return false;
+}
+
+static enum nl80211_channel_type
+ieee80211_calc_ct(enum nl80211_channel_type wk_ct,
+ enum nl80211_channel_type oper_ct)
+{
+ switch (wk_ct) {
+ case NL80211_CHAN_NO_HT:
+ return oper_ct;
+ case NL80211_CHAN_HT20:
+ if (oper_ct != NL80211_CHAN_NO_HT)
+ return oper_ct;
+ return wk_ct;
+ case NL80211_CHAN_HT40MINUS:
+ case NL80211_CHAN_HT40PLUS:
+ return wk_ct;
+ }
+ WARN_ON(1); /* shouldn't get here */
+ return wk_ct;
+}
+
+
static void ieee80211_work_timer(unsigned long data)
{
struct ieee80211_local *local = (void *) data;
@@ -927,14 +959,22 @@ static void ieee80211_work_work(struct work_struct *work)
bool on_oper_chan;
bool tmp_chan_changed = false;
bool on_oper_chan2;
+ enum nl80211_channel_type wk_ct;
on_oper_chan = ieee80211_cfg_on_oper_channel(local);
+
+ /* Work with existing channel type if possible. */
+ wk_ct = wk->chan_type;
+ if (wk->chan == local->hw.conf.channel)
+ wk_ct = ieee80211_calc_ct(wk->chan_type,
+ local->hw.conf.channel_type);
+
if (local->tmp_channel)
if ((local->tmp_channel != wk->chan) ||
- (local->tmp_channel_type != wk->chan_type))
+ (local->tmp_channel_type != wk_ct))
tmp_chan_changed = true;
local->tmp_channel = wk->chan;
- local->tmp_channel_type = wk->chan_type;
+ local->tmp_channel_type = wk_ct;
/*
* Leave the station vifs in awake mode if they
* happen to be on the same channel as
@@ -1031,7 +1071,8 @@ static void ieee80211_work_work(struct work_struct *work)
continue;
if (wk->chan != local->tmp_channel)
continue;
- if (wk->chan_type != local->tmp_channel_type)
+ if (ieee80211_work_ct_coexists(wk->chan_type,
+ local->tmp_channel_type))
continue;
remain_off_channel = true;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 18:23:29 +0000