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);
}
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);
sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0;
- cfg80211_chandef_create(&chandef, chan, ifibss->channel_type);
+ chandef = ifibss->chandef;
if (!cfg80211_reg_can_beacon(local->hw.wiphy, &chandef)) {
chandef.width = NL80211_CHAN_WIDTH_20;
chandef.center_freq1 = chan->center_freq;
/* add HT capability and information IEs */
if (chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
+ chandef.width != NL80211_CHAN_WIDTH_5 &&
+ chandef.width != NL80211_CHAN_WIDTH_10 &&
sband->ht_cap.ht_supported) {
pos = ieee80211_ie_build_ht_cap(pos, &sband->ht_cap,
sband->ht_cap.cap);
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;
tsf, false);
}
-static struct sta_info *ieee80211_ibss_finish_sta(struct sta_info *sta,
- bool auth)
+static struct sta_info *ieee80211_ibss_finish_sta(struct sta_info *sta)
__acquires(RCU)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
/* If it fails, maybe we raced another insertion? */
if (sta_info_insert_rcu(sta))
return sta_info_get(sdata, addr);
- if (auth && !sdata->u.ibss.auth_frame_registrations) {
- ibss_dbg(sdata,
- "TX Auth SA=%pM DA=%pM BSSID=%pM (auth_transaction=1)\n",
- sdata->vif.addr, addr, sdata->u.ibss.bssid);
- ieee80211_send_auth(sdata, 1, WLAN_AUTH_OPEN, 0, NULL, 0,
- addr, sdata->u.ibss.bssid, NULL, 0, 0, 0);
- }
return sta;
}
static struct sta_info *
-ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
- const u8 *bssid, const u8 *addr,
- u32 supp_rates, bool auth)
+ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, const u8 *bssid,
+ const u8 *addr, u32 supp_rates)
__acquires(RCU)
{
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_supported_band *sband;
int band;
/*
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);
+ return ieee80211_ibss_finish_sta(sta);
}
static void ieee80211_rx_mgmt_deauth_ibss(struct ieee80211_sub_if_data *sdata,
size_t len)
{
u16 auth_alg, auth_transaction;
- 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;
if (auth_alg != WLAN_AUTH_OPEN || auth_transaction != 1)
return;
- sta_info_destroy_addr(sdata, mgmt->sa);
- sta = ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa, 0, false);
- rcu_read_unlock();
-
- /*
- * if we have any problem in allocating the new station, we reply with a
- * DEAUTH frame to tell the other end that we had a problem
- */
- if (!sta) {
- ieee80211_send_deauth_disassoc(sdata, sdata->u.ibss.bssid,
- IEEE80211_STYPE_DEAUTH,
- WLAN_REASON_UNSPECIFIED, true,
- deauth_frame_buf);
- return;
- }
-
/*
* IEEE 802.11 standard does not require authentication in IBSS
* networks and most implementations do not seem to use it.
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,
} else {
rcu_read_unlock();
sta = ieee80211_ibss_add_sta(sdata, mgmt->bssid,
- mgmt->sa, supp_rates, true);
+ mgmt->sa, supp_rates);
}
}
set_sta_flag(sta, WLAN_STA_WME);
if (sta && elems->ht_operation && elems->ht_cap_elem &&
- sdata->u.ibss.channel_type != NL80211_CHAN_NO_HT) {
+ sdata->u.ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
+ sdata->u.ibss.chandef.width != NL80211_CHAN_WIDTH_5 &&
+ sdata->u.ibss.chandef.width != NL80211_CHAN_WIDTH_10) {
/* we both use HT */
struct ieee80211_ht_cap htcap_ie;
struct cfg80211_chan_def chandef;
* fall back to HT20 if we don't use or use
* the other extension channel
*/
- if (cfg80211_get_chandef_type(&chandef) !=
- sdata->u.ibss.channel_type)
+ if (chandef.center_freq1 !=
+ sdata->u.ibss.chandef.center_freq1)
htcap_ie.cap_info &=
cpu_to_le16(~IEEE80211_HT_CAP_SUP_WIDTH_20_40);
/* different channel */
if (sdata->u.ibss.fixed_channel &&
- sdata->u.ibss.channel != cbss->channel)
+ sdata->u.ibss.chandef.chan != cbss->channel)
goto put_bss;
/* different SSID */
ieee80211_sta_join_ibss(sdata, bss);
supp_rates = ieee80211_sta_get_rates(local, elems, band, NULL);
ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa,
- supp_rates, true);
+ supp_rates);
rcu_read_unlock();
}
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_supported_band *sband;
int band;
/*
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);
int active = 0;
struct sta_info *sta;
- lockdep_assert_held(&sdata->u.ibss.mtx);
+ sdata_assert_lock(sdata);
rcu_read_lock();
{
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));
u16 capability;
int i;
- lockdep_assert_held(&ifibss->mtx);
+ sdata_assert_lock(sdata);
if (ifibss->fixed_bssid) {
memcpy(bssid, ifibss->bssid, ETH_ALEN);
sdata->drop_unencrypted = 0;
__ieee80211_sta_join_ibss(sdata, bssid, sdata->vif.bss_conf.beacon_int,
- ifibss->channel, ifibss->basic_rates,
+ ifibss->chandef.chan, ifibss->basic_rates,
capability, 0, true);
}
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);
if (ifibss->fixed_bssid)
bssid = ifibss->bssid;
if (ifibss->fixed_channel)
- chan = ifibss->channel;
+ chan = ifibss->chandef.chan;
if (!is_zero_ether_addr(ifibss->bssid))
bssid = ifibss->bssid;
cbss = cfg80211_get_bss(local->hw.wiphy, chan, bssid,
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)
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 */
}
mgmt_out:
- mutex_unlock(&sdata->u.ibss.mtx);
+ sdata_unlock(sdata);
}
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
list_del(&sta->list);
spin_unlock_bh(&ifibss->incomplete_lock);
- ieee80211_ibss_finish_sta(sta, true);
+ ieee80211_ibss_finish_sta(sta);
rcu_read_unlock();
spin_lock_bh(&ifibss->incomplete_lock);
}
}
out:
- mutex_unlock(&ifibss->mtx);
+ sdata_unlock(sdata);
}
static void ieee80211_ibss_timer(unsigned long data)
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);
}
{
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;
sdata->vif.bss_conf.beacon_int = params->beacon_interval;
- sdata->u.ibss.channel = params->chandef.chan;
- sdata->u.ibss.channel_type =
- cfg80211_get_chandef_type(¶ms->chandef);
+ sdata->u.ibss.chandef = params->chandef;
sdata->u.ibss.fixed_channel = params->channel_fixed;
if (params->ie) {
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
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)) {
if (ifibss->privacy)
capability |= WLAN_CAPABILITY_PRIVACY;
- cbss = cfg80211_get_bss(local->hw.wiphy, ifibss->channel,
+ cbss = cfg80211_get_bss(local->hw.wiphy, ifibss->chandef.chan,
ifibss->bssid, ifibss->ssid,
ifibss->ssid_len, WLAN_CAPABILITY_IBSS |
WLAN_CAPABILITY_PRIVACY,
/* 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;
clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
BSS_CHANGED_IBSS);
+ ieee80211_vif_release_channel(sdata);
synchronize_rcu();
kfree(presp);
del_timer_sync(&sdata->u.ibss.timer);
- mutex_unlock(&sdata->u.ibss.mtx);
-
return 0;
}
projects / cascardo / linux.git / blobdiff