From: Meirav Kama <meiravk@xxxxxx>
Issue happened when receiving delete_sta command without
changing plink_state from ESTAB to HOLDING before.
When receiving delete_sta command for mesh interface
verify plink_state is not ESTAB and if so, decrease
plink count and update beacon.
Signed-off-by: Meirav Kama <meiravk@xxxxxx>
Acked-by: Yaniv Machani <yanivma@xxxxxx>
---
net/mac80211/sta_info.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 76b737d..1ce6320 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -1009,11 +1009,25 @@ int sta_info_destroy_addr_bss(struct ieee80211_sub_if_data *sdata,
{
struct sta_info *sta;
int ret;
+#ifdef CONFIG_MAC80211_MESH
+ bool dec_links = false;
+#endif
mutex_lock(&sdata->local->sta_mtx);
sta = sta_info_get_bss(sdata, addr);
+#ifdef CONFIG_MAC80211_MESH
+ if (sdata->vif.type == NL80211_IFTYPE_MESH_POINT &&
+ sta->mesh->plink_state == NL80211_PLINK_ESTAB)
+ dec_links = true;
+#endif
ret = __sta_info_destroy(sta);
mutex_unlock(&sdata->local->sta_mtx);
+#ifdef CONFIG_MAC80211_MESH
+ if (dec_links) {
+ mesh_plink_dec_estab_count(sdata);
+ ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
+ }
+#endif
return ret;
}
--
2.9.0
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