diff options
| author | Michal Kazior <michal.kazior@tieto.com> | 2014-04-09 15:29:26 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-04-25 17:08:29 +0200 |
| commit | 484298ad1afaf249a4708a5091487132dae80bf9 (patch) | |
| tree | dfed80a1d4dd5b6877877203a6da37f24af21462 /net/mac80211/chan.c | |
| parent | 093324816b91c9f4a3dd8c78930e43d0a2ef2508 (diff) | |
| download | linux-484298ad1afaf249a4708a5091487132dae80bf9.tar.bz2 | |
mac80211: track assigned vifs in chanctx
This can be useful. Provides a more straghtforward
way to iterate over interfaces bound to a given
chanctx and allows tracking chanctx usage
explicitly.
The structure is protected by local->chanctx_mtx.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/chan.c')
| -rw-r--r-- | net/mac80211/chan.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index 4ed229c0966a..504526c97867 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -276,6 +276,7 @@ ieee80211_new_chanctx(struct ieee80211_local *local, if (!ctx) return ERR_PTR(-ENOMEM); + INIT_LIST_HEAD(&ctx->assigned_vifs); ctx->conf.def = *chandef; ctx->conf.rx_chains_static = 1; ctx->conf.rx_chains_dynamic = 1; @@ -420,6 +421,7 @@ static int ieee80211_assign_vif_chanctx(struct ieee80211_sub_if_data *sdata, curr_ctx->refcount--; drv_unassign_vif_chanctx(local, sdata, curr_ctx); conf = NULL; + list_del(&sdata->assigned_chanctx_list); } if (new_ctx) { @@ -429,6 +431,8 @@ static int ieee80211_assign_vif_chanctx(struct ieee80211_sub_if_data *sdata, new_ctx->refcount++; conf = &new_ctx->conf; + list_add(&sdata->assigned_chanctx_list, + &new_ctx->assigned_vifs); } out: |