The channel contexts have to be re-added and re-assigned
on device reconfiguration.
Signed-off-by: Eliad Peller <eliad@xxxxxxxxxx>
---
this patch is based on the channel contexts patches
in mac80211-next/wip branch.
net/mac80211/util.c | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 293e6fe..c254abc 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1255,6 +1255,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
{
struct ieee80211_hw *hw = &local->hw;
struct ieee80211_sub_if_data *sdata;
+ struct ieee80211_chanctx *ctx;
struct sta_info *sta;
int res, i;
@@ -1327,6 +1328,12 @@ int ieee80211_reconfig(struct ieee80211_local *local)
res = drv_add_interface(local, sdata);
}
+ /* add channel contexts */
+ mutex_lock(&local->chanctx_mtx);
+ list_for_each_entry(ctx, &local->chanctx_list, list)
+ WARN_ON(drv_add_chanctx(local, ctx));
+ mutex_unlock(&local->chanctx_mtx);
+
/* add STAs back */
mutex_lock(&local->sta_mtx);
list_for_each_entry(sta, &local->sta_list, list) {
@@ -1367,11 +1374,22 @@ int ieee80211_reconfig(struct ieee80211_local *local)
/* Finally also reconfigure all the BSS information */
list_for_each_entry(sdata, &local->interfaces, list) {
+ struct ieee80211_chanctx_conf *ctx_conf;
u32 changed;
if (!ieee80211_sdata_running(sdata))
continue;
+ mutex_lock(&local->chanctx_mtx);
+ ctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
+ lockdep_is_held(&local->chanctx_mtx));
+ if (ctx_conf) {
+ ctx = container_of(ctx_conf, struct ieee80211_chanctx,
+ conf);
+ drv_assign_vif_chanctx(local, sdata, ctx);
+ }
+ mutex_unlock(&local->chanctx_mtx);
+
/* common change flags for all interface types */
changed = BSS_CHANGED_ERP_CTS_PROT |
BSS_CHANGED_ERP_PREAMBLE |
--
1.7.6.401.g6a319
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