diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-01-21 17:46:16 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-01-21 17:46:16 +0900 |
| commit | 69485d3e6d6839b46a56c77d2dffad18cb7d373f (patch) | |
| tree | 20e9de1d5fd9f6617b05e759f9326eaffaf743ee /net/mac80211/chan.c | |
| parent | f2a93e2a4c048dfb5c7ee3f159a4a1d1cb61b4b5 (diff) | |
| parent | 7881fd0fb3ecc9e367ba998a4de533e7eecbdfeb (diff) | |
Merge remote-tracking branch 'asoc/fix/adsp' into asoc-adsp
Diffstat (limited to 'net/mac80211/chan.c')
| -rw-r--r-- | net/mac80211/chan.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index 53f03120db5..80e55527504 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -4,6 +4,7 @@ #include <linux/nl80211.h> #include <linux/export.h> +#include <linux/rtnetlink.h> #include <net/cfg80211.h> #include "ieee80211_i.h" #include "driver-ops.h" @@ -197,6 +198,15 @@ static void __ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata) ctx = container_of(conf, struct ieee80211_chanctx, conf); + if (sdata->vif.type == NL80211_IFTYPE_AP) { + struct ieee80211_sub_if_data *vlan; + + /* for the VLAN list */ + ASSERT_RTNL(); + list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) + rcu_assign_pointer(vlan->vif.chanctx_conf, NULL); + } + ieee80211_unassign_vif_chanctx(sdata, ctx); if (ctx->refcount == 0) ieee80211_free_chanctx(local, ctx); @@ -316,6 +326,15 @@ int ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, goto out; } + if (sdata->vif.type == NL80211_IFTYPE_AP) { + struct ieee80211_sub_if_data *vlan; + + /* for the VLAN list */ + ASSERT_RTNL(); + list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) + rcu_assign_pointer(vlan->vif.chanctx_conf, &ctx->conf); + } + ieee80211_recalc_smps_chanctx(local, ctx); out: mutex_unlock(&local->chanctx_mtx); @@ -331,6 +350,25 @@ void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata) mutex_unlock(&sdata->local->chanctx_mtx); } +void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_sub_if_data *ap; + struct ieee80211_chanctx_conf *conf; + + if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_AP_VLAN || !sdata->bss)) + return; + + ap = container_of(sdata->bss, struct ieee80211_sub_if_data, u.ap); + + mutex_lock(&local->chanctx_mtx); + + conf = rcu_dereference_protected(ap->vif.chanctx_conf, + lockdep_is_held(&local->chanctx_mtx)); + rcu_assign_pointer(sdata->vif.chanctx_conf, conf); + mutex_unlock(&local->chanctx_mtx); +} + void ieee80211_iter_chan_contexts_atomic( struct ieee80211_hw *hw, void (*iter)(struct ieee80211_hw *hw, |