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authorArik Nemtsov <arik@wizery.com>2014-07-17 18:14:25 +0400
committerJohannes Berg <johannes.berg@intel.com>2014-07-21 14:14:04 +0400
commit81dd2b8822410e56048b927be779d95a2b6dc186 (patch)
treeae3ae777e082aa6f5211eeb45fda69748e10c835 /net/mac80211
parent6f7eaa47e1de30159277f91f1145a6687f13ffd9 (diff)
downloadlinux-81dd2b8822410e56048b927be779d95a2b6dc186.tar.xz
mac80211: move TDLS data to mgd private part
We can only be a station for TDLS connections. Also fix a bug where a delayed work could be left scheduled if the station interface was brought down during TDLS setup. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/ieee80211_i.h6
-rw-r--r--net/mac80211/iface.c2
-rw-r--r--net/mac80211/mlme.c3
-rw-r--r--net/mac80211/tdls.c28
4 files changed, 20 insertions, 19 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index cb874760e99f..0d8539caebca 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -503,6 +503,9 @@ struct ieee80211_if_managed {
struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */
struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */
struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */
+
+ u8 tdls_peer[ETH_ALEN] __aligned(2);
+ struct delayed_work tdls_peer_del_work;
};
struct ieee80211_if_ibss {
@@ -815,9 +818,6 @@ struct ieee80211_sub_if_data {
bool radar_required;
struct delayed_work dfs_cac_timer_work;
- u8 tdls_peer[ETH_ALEN] __aligned(2);
- struct delayed_work tdls_peer_del_work;
-
/*
* AP this belongs to: self in AP mode and
* corresponding AP in VLAN mode, NULL for
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index bbf51b2f0651..2a12b8aa6aad 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1672,8 +1672,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
ieee80211_dfs_cac_timer_work);
INIT_DELAYED_WORK(&sdata->dec_tailroom_needed_wk,
ieee80211_delayed_tailroom_dec);
- INIT_DELAYED_WORK(&sdata->tdls_peer_del_work,
- ieee80211_tdls_peer_del_work);
for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
struct ieee80211_supported_band *sband;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index d863ff8b6e41..fcc074871d51 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3713,6 +3713,8 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
INIT_WORK(&ifmgd->csa_connection_drop_work,
ieee80211_csa_connection_drop_work);
INIT_WORK(&ifmgd->request_smps_work, ieee80211_request_smps_mgd_work);
+ INIT_DELAYED_WORK(&ifmgd->tdls_peer_del_work,
+ ieee80211_tdls_peer_del_work);
setup_timer(&ifmgd->timer, ieee80211_sta_timer,
(unsigned long) sdata);
setup_timer(&ifmgd->bcn_mon_timer, ieee80211_sta_bcn_mon_timer,
@@ -4576,6 +4578,7 @@ void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata)
cancel_work_sync(&ifmgd->request_smps_work);
cancel_work_sync(&ifmgd->csa_connection_drop_work);
cancel_work_sync(&ifmgd->chswitch_work);
+ cancel_delayed_work_sync(&ifmgd->tdls_peer_del_work);
sdata_lock(sdata);
if (ifmgd->assoc_data) {
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index 72eebea7e60a..c59b8f460eb9 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -22,14 +22,14 @@ void ieee80211_tdls_peer_del_work(struct work_struct *wk)
struct ieee80211_local *local;
sdata = container_of(wk, struct ieee80211_sub_if_data,
- tdls_peer_del_work.work);
+ u.mgd.tdls_peer_del_work.work);
local = sdata->local;
mutex_lock(&local->mtx);
- if (!is_zero_ether_addr(sdata->tdls_peer)) {
- tdls_dbg(sdata, "TDLS del peer %pM\n", sdata->tdls_peer);
- sta_info_destroy_addr(sdata, sdata->tdls_peer);
- eth_zero_addr(sdata->tdls_peer);
+ if (!is_zero_ether_addr(sdata->u.mgd.tdls_peer)) {
+ tdls_dbg(sdata, "TDLS del peer %pM\n", sdata->u.mgd.tdls_peer);
+ sta_info_destroy_addr(sdata, sdata->u.mgd.tdls_peer);
+ eth_zero_addr(sdata->u.mgd.tdls_peer);
}
mutex_unlock(&local->mtx);
}
@@ -561,8 +561,8 @@ ieee80211_tdls_mgmt_setup(struct wiphy *wiphy, struct net_device *dev,
mutex_lock(&local->mtx);
/* we don't support concurrent TDLS peer setups */
- if (!is_zero_ether_addr(sdata->tdls_peer) &&
- !ether_addr_equal(sdata->tdls_peer, peer)) {
+ if (!is_zero_ether_addr(sdata->u.mgd.tdls_peer) &&
+ !ether_addr_equal(sdata->u.mgd.tdls_peer, peer)) {
ret = -EBUSY;
goto exit;
}
@@ -593,9 +593,9 @@ ieee80211_tdls_mgmt_setup(struct wiphy *wiphy, struct net_device *dev,
if (ret < 0)
goto exit;
- memcpy(sdata->tdls_peer, peer, ETH_ALEN);
+ memcpy(sdata->u.mgd.tdls_peer, peer, ETH_ALEN);
ieee80211_queue_delayed_work(&sdata->local->hw,
- &sdata->tdls_peer_del_work,
+ &sdata->u.mgd.tdls_peer_del_work,
TDLS_PEER_SETUP_TIMEOUT);
exit:
@@ -751,8 +751,8 @@ int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
rcu_read_unlock();
- WARN_ON_ONCE(is_zero_ether_addr(sdata->tdls_peer) ||
- !ether_addr_equal(sdata->tdls_peer, peer));
+ WARN_ON_ONCE(is_zero_ether_addr(sdata->u.mgd.tdls_peer) ||
+ !ether_addr_equal(sdata->u.mgd.tdls_peer, peer));
ret = 0;
break;
case NL80211_TDLS_DISABLE_LINK:
@@ -766,9 +766,9 @@ int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
break;
}
- if (ret == 0 && ether_addr_equal(sdata->tdls_peer, peer)) {
- cancel_delayed_work(&sdata->tdls_peer_del_work);
- eth_zero_addr(sdata->tdls_peer);
+ if (ret == 0 && ether_addr_equal(sdata->u.mgd.tdls_peer, peer)) {
+ cancel_delayed_work(&sdata->u.mgd.tdls_peer_del_work);
+ eth_zero_addr(sdata->u.mgd.tdls_peer);
}
mutex_unlock(&local->mtx);