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Diffstat (limited to 'net/mac80211/ibss.c')
-rw-r--r--net/mac80211/ibss.c46
1 files changed, 33 insertions, 13 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index e2976da4e0d9..b2cc1fda6cfd 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -92,12 +92,18 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
if (memcmp(ifibss->bssid, bssid, ETH_ALEN))
sta_info_flush(sdata->local, sdata);
+ /* if merging, indicate to driver that we leave the old IBSS */
+ if (sdata->vif.bss_conf.ibss_joined) {
+ sdata->vif.bss_conf.ibss_joined = false;
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IBSS);
+ }
+
memcpy(ifibss->bssid, bssid, ETH_ALEN);
sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0;
local->oper_channel = chan;
- local->oper_channel_type = NL80211_CHAN_NO_HT;
+ WARN_ON(!ieee80211_set_channel_type(local, sdata, NL80211_CHAN_NO_HT));
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
sband = local->hw.wiphy->bands[chan->band];
@@ -171,6 +177,8 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
bss_change |= BSS_CHANGED_BSSID;
bss_change |= BSS_CHANGED_BEACON;
bss_change |= BSS_CHANGED_BEACON_ENABLED;
+ bss_change |= BSS_CHANGED_IBSS;
+ sdata->vif.bss_conf.ibss_joined = true;
ieee80211_bss_info_change_notify(sdata, bss_change);
ieee80211_sta_def_wmm_params(sdata, sband->n_bitrates, supp_rates);
@@ -265,17 +273,16 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
sta->sta.supp_rates[band] = supp_rates |
ieee80211_mandatory_rates(local, band);
+ if (sta->sta.supp_rates[band] != prev_rates) {
#ifdef CONFIG_MAC80211_IBSS_DEBUG
- if (sta->sta.supp_rates[band] != prev_rates)
printk(KERN_DEBUG "%s: updated supp_rates set "
- "for %pM based on beacon info (0x%llx | "
- "0x%llx -> 0x%llx)\n",
- sdata->name,
- sta->sta.addr,
- (unsigned long long) prev_rates,
- (unsigned long long) supp_rates,
- (unsigned long long) sta->sta.supp_rates[band]);
+ "for %pM based on beacon/probe_response "
+ "(0x%x -> 0x%x)\n",
+ sdata->name, sta->sta.addr,
+ prev_rates, sta->sta.supp_rates[band]);
#endif
+ rate_control_rate_init(sta);
+ }
rcu_read_unlock();
} else {
rcu_read_unlock();
@@ -371,6 +378,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
sdata->name, mgmt->bssid);
#endif
ieee80211_sta_join_ibss(sdata, bss);
+ supp_rates = ieee80211_sta_get_rates(local, elems, band);
ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa,
supp_rates, GFP_KERNEL);
}
@@ -481,7 +489,9 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata)
printk(KERN_DEBUG "%s: No active IBSS STAs - trying to scan for other "
"IBSS networks with same SSID (merge)\n", sdata->name);
- ieee80211_request_internal_scan(sdata, ifibss->ssid, ifibss->ssid_len);
+ ieee80211_request_internal_scan(sdata,
+ ifibss->ssid, ifibss->ssid_len,
+ ifibss->fixed_channel ? ifibss->channel : NULL);
}
static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
@@ -588,8 +598,9 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
printk(KERN_DEBUG "%s: Trigger new scan to find an IBSS to "
"join\n", sdata->name);
- ieee80211_request_internal_scan(sdata, ifibss->ssid,
- ifibss->ssid_len);
+ ieee80211_request_internal_scan(sdata,
+ ifibss->ssid, ifibss->ssid_len,
+ ifibss->fixed_channel ? ifibss->channel : NULL);
} else {
int interval = IEEE80211_SCAN_INTERVAL;
@@ -897,6 +908,13 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
sdata->u.ibss.channel = params->channel;
sdata->u.ibss.fixed_channel = params->channel_fixed;
+ /* fix ourselves to that channel now already */
+ if (params->channel_fixed) {
+ sdata->local->oper_channel = params->channel;
+ WARN_ON(!ieee80211_set_channel_type(sdata->local, sdata,
+ NL80211_CHAN_NO_HT));
+ }
+
if (params->ie) {
sdata->u.ibss.ie = kmemdup(params->ie, params->ie_len,
GFP_KERNEL);
@@ -951,7 +969,9 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
kfree(sdata->u.ibss.ie);
skb = sdata->u.ibss.presp;
rcu_assign_pointer(sdata->u.ibss.presp, NULL);
- ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
+ sdata->vif.bss_conf.ibss_joined = false;
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
+ BSS_CHANGED_IBSS);
synchronize_rcu();
kfree_skb(skb);