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Diffstat (limited to 'net/mac80211/tx.c')
-rw-r--r--net/mac80211/tx.c39
1 files changed, 34 insertions, 5 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 3456c0486b48..4fcbf634b548 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1981,7 +1981,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
* EAPOL frames from the local station.
*/
if (unlikely(!ieee80211_vif_is_mesh(&sdata->vif) &&
- !is_multicast_ether_addr(hdr.addr1) && !authorized &&
+ !multicast && !authorized &&
(cpu_to_be16(ethertype) != sdata->control_port_protocol ||
!ether_addr_equal(sdata->vif.addr, skb->data + ETH_ALEN)))) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
@@ -2357,15 +2357,31 @@ static void ieee80211_update_csa(struct ieee80211_sub_if_data *sdata,
struct probe_resp *resp;
int counter_offset_beacon = sdata->csa_counter_offset_beacon;
int counter_offset_presp = sdata->csa_counter_offset_presp;
+ u8 *beacon_data;
+ size_t beacon_data_len;
+
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP:
+ beacon_data = beacon->tail;
+ beacon_data_len = beacon->tail_len;
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ beacon_data = beacon->head;
+ beacon_data_len = beacon->head_len;
+ break;
+ default:
+ return;
+ }
+ if (WARN_ON(counter_offset_beacon >= beacon_data_len))
+ return;
/* warn if the driver did not check for/react to csa completeness */
- if (WARN_ON(((u8 *)beacon->tail)[counter_offset_beacon] == 0))
+ if (WARN_ON(beacon_data[counter_offset_beacon] == 0))
return;
- ((u8 *)beacon->tail)[counter_offset_beacon]--;
+ beacon_data[counter_offset_beacon]--;
- if (sdata->vif.type == NL80211_IFTYPE_AP &&
- counter_offset_presp) {
+ if (sdata->vif.type == NL80211_IFTYPE_AP && counter_offset_presp) {
rcu_read_lock();
resp = rcu_dereference(sdata->u.ap.probe_resp);
@@ -2400,6 +2416,15 @@ bool ieee80211_csa_is_complete(struct ieee80211_vif *vif)
goto out;
beacon_data = beacon->tail;
beacon_data_len = beacon->tail_len;
+ } else if (vif->type == NL80211_IFTYPE_ADHOC) {
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
+
+ beacon = rcu_dereference(ifibss->presp);
+ if (!beacon)
+ goto out;
+
+ beacon_data = beacon->head;
+ beacon_data_len = beacon->head_len;
} else {
WARN_ON(1);
goto out;
@@ -2484,6 +2509,10 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
if (!presp)
goto out;
+ if (sdata->vif.csa_active)
+ ieee80211_update_csa(sdata, presp);
+
+
skb = dev_alloc_skb(local->tx_headroom + presp->head_len);
if (!skb)
goto out;