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Diffstat (limited to 'net/mac80211/ibss.c')
-rw-r--r--net/mac80211/ibss.c49
1 files changed, 22 insertions, 27 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 170f9a7fa319..caa4b4f7f6e4 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -54,7 +54,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
struct beacon_data *presp;
int frame_len;
- lockdep_assert_held(&ifibss->mtx);
+ sdata_assert_lock(sdata);
/* Reset own TSF to allow time synchronization work. */
drv_reset_tsf(local, sdata);
@@ -74,7 +74,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
}
presp = rcu_dereference_protected(ifibss->presp,
- lockdep_is_held(&ifibss->mtx));
+ lockdep_is_held(&sdata->wdev.mtx));
rcu_assign_pointer(ifibss->presp, NULL);
if (presp)
kfree_rcu(presp, rcu_head);
@@ -263,7 +263,7 @@ static void ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
const struct cfg80211_bss_ies *ies;
u64 tsf;
- lockdep_assert_held(&sdata->u.ibss.mtx);
+ sdata_assert_lock(sdata);
if (beacon_int < 10)
beacon_int = 10;
@@ -341,6 +341,7 @@ ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_supported_band *sband;
int band;
/*
@@ -380,8 +381,9 @@ ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
sta->last_rx = jiffies;
/* make sure mandatory rates are always added */
+ sband = local->hw.wiphy->bands[band];
sta->sta.supp_rates[band] = supp_rates |
- ieee80211_mandatory_rates(local, band);
+ ieee80211_mandatory_rates(sband);
return ieee80211_ibss_finish_sta(sta, auth);
}
@@ -408,7 +410,7 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta;
u8 deauth_frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
- lockdep_assert_held(&sdata->u.ibss.mtx);
+ sdata_assert_lock(sdata);
if (len < 24 + 6)
return;
@@ -492,7 +494,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
prev_rates = sta->sta.supp_rates[band];
/* make sure mandatory rates are always added */
sta->sta.supp_rates[band] = supp_rates |
- ieee80211_mandatory_rates(local, band);
+ ieee80211_mandatory_rates(sband);
if (sta->sta.supp_rates[band] != prev_rates) {
ibss_dbg(sdata,
@@ -624,6 +626,7 @@ void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_supported_band *sband;
int band;
/*
@@ -658,8 +661,9 @@ void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
sta->last_rx = jiffies;
/* make sure mandatory rates are always added */
+ sband = local->hw.wiphy->bands[band];
sta->sta.supp_rates[band] = supp_rates |
- ieee80211_mandatory_rates(local, band);
+ ieee80211_mandatory_rates(sband);
spin_lock(&ifibss->incomplete_lock);
list_add(&sta->list, &ifibss->incomplete_stations);
@@ -673,7 +677,7 @@ static int ieee80211_sta_active_ibss(struct ieee80211_sub_if_data *sdata)
int active = 0;
struct sta_info *sta;
- lockdep_assert_held(&sdata->u.ibss.mtx);
+ sdata_assert_lock(sdata);
rcu_read_lock();
@@ -699,7 +703,7 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
- lockdep_assert_held(&ifibss->mtx);
+ sdata_assert_lock(sdata);
mod_timer(&ifibss->timer,
round_jiffies(jiffies + IEEE80211_IBSS_MERGE_INTERVAL));
@@ -730,7 +734,7 @@ static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
u16 capability;
int i;
- lockdep_assert_held(&ifibss->mtx);
+ sdata_assert_lock(sdata);
if (ifibss->fixed_bssid) {
memcpy(bssid, ifibss->bssid, ETH_ALEN);
@@ -773,7 +777,7 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
int active_ibss;
u16 capability;
- lockdep_assert_held(&ifibss->mtx);
+ sdata_assert_lock(sdata);
active_ibss = ieee80211_sta_active_ibss(sdata);
ibss_dbg(sdata, "sta_find_ibss (active_ibss=%d)\n", active_ibss);
@@ -843,10 +847,10 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
struct beacon_data *presp;
u8 *pos, *end;
- lockdep_assert_held(&ifibss->mtx);
+ sdata_assert_lock(sdata);
presp = rcu_dereference_protected(ifibss->presp,
- lockdep_is_held(&ifibss->mtx));
+ lockdep_is_held(&sdata->wdev.mtx));
if (ifibss->state != IEEE80211_IBSS_MLME_JOINED ||
len < 24 + 2 || !presp)
@@ -930,7 +934,7 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
mgmt = (struct ieee80211_mgmt *) skb->data;
fc = le16_to_cpu(mgmt->frame_control);
- mutex_lock(&sdata->u.ibss.mtx);
+ sdata_lock(sdata);
if (!sdata->u.ibss.ssid_len)
goto mgmt_out; /* not ready to merge yet */
@@ -953,7 +957,7 @@ void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
}
mgmt_out:
- mutex_unlock(&sdata->u.ibss.mtx);
+ sdata_unlock(sdata);
}
void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata)
@@ -961,7 +965,7 @@ void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata)
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
struct sta_info *sta;
- mutex_lock(&ifibss->mtx);
+ sdata_lock(sdata);
/*
* Work could be scheduled after scan or similar
@@ -997,7 +1001,7 @@ void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata)
}
out:
- mutex_unlock(&ifibss->mtx);
+ sdata_unlock(sdata);
}
static void ieee80211_ibss_timer(unsigned long data)
@@ -1014,7 +1018,6 @@ void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata)
setup_timer(&ifibss->timer, ieee80211_ibss_timer,
(unsigned long) sdata);
- mutex_init(&ifibss->mtx);
INIT_LIST_HEAD(&ifibss->incomplete_stations);
spin_lock_init(&ifibss->incomplete_lock);
}
@@ -1041,8 +1044,6 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
{
u32 changed = 0;
- mutex_lock(&sdata->u.ibss.mtx);
-
if (params->bssid) {
memcpy(sdata->u.ibss.bssid, params->bssid, ETH_ALEN);
sdata->u.ibss.fixed_bssid = true;
@@ -1075,8 +1076,6 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
memcpy(sdata->u.ibss.ssid, params->ssid, params->ssid_len);
sdata->u.ibss.ssid_len = params->ssid_len;
- mutex_unlock(&sdata->u.ibss.mtx);
-
/*
* 802.11n-2009 9.13.3.1: In an IBSS, the HT Protection field is
* reserved, but an HT STA shall protect HT transmissions as though
@@ -1112,8 +1111,6 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
struct sta_info *sta;
struct beacon_data *presp;
- mutex_lock(&sdata->u.ibss.mtx);
-
active_ibss = ieee80211_sta_active_ibss(sdata);
if (!active_ibss && !is_zero_ether_addr(ifibss->bssid)) {
@@ -1157,7 +1154,7 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
/* remove beacon */
kfree(sdata->u.ibss.ie);
presp = rcu_dereference_protected(ifibss->presp,
- lockdep_is_held(&sdata->u.ibss.mtx));
+ lockdep_is_held(&sdata->wdev.mtx));
RCU_INIT_POINTER(sdata->u.ibss.presp, NULL);
sdata->vif.bss_conf.ibss_joined = false;
sdata->vif.bss_conf.ibss_creator = false;
@@ -1173,7 +1170,5 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
del_timer_sync(&sdata->u.ibss.timer);
- mutex_unlock(&sdata->u.ibss.mtx);
-
return 0;
}
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