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Diffstat (limited to 'net/mac80211/ibss.c')
-rw-r--r--net/mac80211/ibss.c109
1 files changed, 47 insertions, 62 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index b2cc1fda6cf..d4e84b22a66 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -172,11 +172,13 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
rcu_assign_pointer(ifibss->presp, skb);
sdata->vif.bss_conf.beacon_int = beacon_int;
+ sdata->vif.bss_conf.basic_rates = basic_rates;
bss_change = BSS_CHANGED_BEACON_INT;
bss_change |= ieee80211_reset_erp_info(sdata);
bss_change |= BSS_CHANGED_BSSID;
bss_change |= BSS_CHANGED_BEACON;
bss_change |= BSS_CHANGED_BEACON_ENABLED;
+ bss_change |= BSS_CHANGED_BASIC_RATES;
bss_change |= BSS_CHANGED_IBSS;
sdata->vif.bss_conf.ibss_joined = true;
ieee80211_bss_info_change_notify(sdata, bss_change);
@@ -529,7 +531,7 @@ static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
sdata->drop_unencrypted = 0;
__ieee80211_sta_join_ibss(sdata, bssid, sdata->vif.bss_conf.beacon_int,
- ifibss->channel, 3, /* first two are basic */
+ ifibss->channel, ifibss->basic_rates,
capability, 0);
}
@@ -727,8 +729,8 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, true);
}
-static void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb)
+void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
{
struct ieee80211_rx_status *rx_status;
struct ieee80211_mgmt *mgmt;
@@ -754,33 +756,11 @@ static void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
ieee80211_rx_mgmt_auth_ibss(sdata, mgmt, skb->len);
break;
}
-
- kfree_skb(skb);
}
-static void ieee80211_ibss_work(struct work_struct *work)
+void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata)
{
- struct ieee80211_sub_if_data *sdata =
- container_of(work, struct ieee80211_sub_if_data, u.ibss.work);
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_if_ibss *ifibss;
- struct sk_buff *skb;
-
- if (WARN_ON(local->suspended))
- return;
-
- if (!ieee80211_sdata_running(sdata))
- return;
-
- if (local->scanning)
- return;
-
- if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_ADHOC))
- return;
- ifibss = &sdata->u.ibss;
-
- while ((skb = skb_dequeue(&ifibss->skb_queue)))
- ieee80211_ibss_rx_queued_mgmt(sdata, skb);
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
if (!test_and_clear_bit(IEEE80211_IBSS_REQ_RUN, &ifibss->request))
return;
@@ -798,6 +778,15 @@ static void ieee80211_ibss_work(struct work_struct *work)
}
}
+static void ieee80211_queue_ibss_work(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
+ struct ieee80211_local *local = sdata->local;
+
+ set_bit(IEEE80211_IBSS_REQ_RUN, &ifibss->request);
+ ieee80211_queue_work(&local->hw, &sdata->work);
+}
+
static void ieee80211_ibss_timer(unsigned long data)
{
struct ieee80211_sub_if_data *sdata =
@@ -810,8 +799,7 @@ static void ieee80211_ibss_timer(unsigned long data)
return;
}
- set_bit(IEEE80211_IBSS_REQ_RUN, &ifibss->request);
- ieee80211_queue_work(&local->hw, &ifibss->work);
+ ieee80211_queue_ibss_work(sdata);
}
#ifdef CONFIG_PM
@@ -819,7 +807,6 @@ void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
- cancel_work_sync(&ifibss->work);
if (del_timer_sync(&ifibss->timer))
ifibss->timer_running = true;
}
@@ -839,10 +826,8 @@ void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
- INIT_WORK(&ifibss->work, ieee80211_ibss_work);
setup_timer(&ifibss->timer, ieee80211_ibss_timer,
(unsigned long) sdata);
- skb_queue_head_init(&ifibss->skb_queue);
}
/* scan finished notification */
@@ -859,37 +844,11 @@ void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local)
if (!sdata->u.ibss.ssid_len)
continue;
sdata->u.ibss.last_scan_completed = jiffies;
- mod_timer(&sdata->u.ibss.timer, 0);
+ ieee80211_queue_ibss_work(sdata);
}
mutex_unlock(&local->iflist_mtx);
}
-ieee80211_rx_result
-ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
-{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_mgmt *mgmt;
- u16 fc;
-
- if (skb->len < 24)
- return RX_DROP_MONITOR;
-
- mgmt = (struct ieee80211_mgmt *) skb->data;
- fc = le16_to_cpu(mgmt->frame_control);
-
- switch (fc & IEEE80211_FCTL_STYPE) {
- case IEEE80211_STYPE_PROBE_RESP:
- case IEEE80211_STYPE_BEACON:
- case IEEE80211_STYPE_PROBE_REQ:
- case IEEE80211_STYPE_AUTH:
- skb_queue_tail(&sdata->u.ibss.skb_queue, skb);
- ieee80211_queue_work(&local->hw, &sdata->u.ibss.work);
- return RX_QUEUED;
- }
-
- return RX_DROP_MONITOR;
-}
-
int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
struct cfg80211_ibss_params *params)
{
@@ -902,6 +861,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
sdata->u.ibss.fixed_bssid = false;
sdata->u.ibss.privacy = params->privacy;
+ sdata->u.ibss.basic_rates = params->basic_rates;
sdata->vif.bss_conf.beacon_int = params->beacon_interval;
@@ -949,7 +909,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
ieee80211_recalc_idle(sdata->local);
set_bit(IEEE80211_IBSS_REQ_RUN, &sdata->u.ibss.request);
- ieee80211_queue_work(&sdata->local->hw, &sdata->u.ibss.work);
+ ieee80211_queue_work(&sdata->local->hw, &sdata->work);
return 0;
}
@@ -957,10 +917,35 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
{
struct sk_buff *skb;
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
+ struct ieee80211_local *local = sdata->local;
+ struct cfg80211_bss *cbss;
+ u16 capability;
+ int active_ibss = 0;
+
+ active_ibss = ieee80211_sta_active_ibss(sdata);
+
+ if (!active_ibss && !is_zero_ether_addr(ifibss->bssid)) {
+ capability = WLAN_CAPABILITY_IBSS;
+
+ if (ifibss->privacy)
+ capability |= WLAN_CAPABILITY_PRIVACY;
+
+ cbss = cfg80211_get_bss(local->hw.wiphy, ifibss->channel,
+ ifibss->bssid, ifibss->ssid,
+ ifibss->ssid_len, WLAN_CAPABILITY_IBSS |
+ WLAN_CAPABILITY_PRIVACY,
+ capability);
+
+ if (cbss) {
+ cfg80211_unlink_bss(local->hw.wiphy, cbss);
+ cfg80211_put_bss(cbss);
+ }
+ }
del_timer_sync(&sdata->u.ibss.timer);
clear_bit(IEEE80211_IBSS_REQ_RUN, &sdata->u.ibss.request);
- cancel_work_sync(&sdata->u.ibss.work);
+ cancel_work_sync(&sdata->work);
clear_bit(IEEE80211_IBSS_REQ_RUN, &sdata->u.ibss.request);
sta_info_flush(sdata->local, sdata);
@@ -975,7 +960,7 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
synchronize_rcu();
kfree_skb(skb);
- skb_queue_purge(&sdata->u.ibss.skb_queue);
+ skb_queue_purge(&sdata->skb_queue);
memset(sdata->u.ibss.bssid, 0, ETH_ALEN);
sdata->u.ibss.ssid_len = 0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-30 19:43:39 +0000