iwlwifi: contextify-stations-completely
The microcode tracks stations per context, so
the driver needs to do that as well for adding,
deleting and restoring them, especially in the
implicit removal case when we send an RXON.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index b1275e3..2923562 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -290,6 +290,7 @@
station->sta.mode = 0;
station->sta.sta.sta_id = sta_id;
station->sta.station_flags = 0;
+ station->ctxid = ctx->ctxid;
/*
* OK to call unconditionally, since local stations (IBSS BSSID
@@ -615,7 +616,8 @@
* other than explicit station management would cause this in
* the ucode, e.g. unassociated RXON.
*/
-void iwl_clear_ucode_stations(struct iwl_priv *priv)
+void iwl_clear_ucode_stations(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx)
{
int i;
unsigned long flags_spin;
@@ -625,6 +627,9 @@
spin_lock_irqsave(&priv->sta_lock, flags_spin);
for (i = 0; i < priv->hw_params.max_stations; i++) {
+ if (ctx && ctx->ctxid != priv->stations[i].ctxid)
+ continue;
+
if (priv->stations[i].used & IWL_STA_UCODE_ACTIVE) {
IWL_DEBUG_INFO(priv, "Clearing ucode active for station %d\n", i);
priv->stations[i].used &= ~IWL_STA_UCODE_ACTIVE;
@@ -646,7 +651,7 @@
*
* Function sleeps.
*/
-void iwl_restore_stations(struct iwl_priv *priv)
+void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
{
struct iwl_addsta_cmd sta_cmd;
struct iwl_link_quality_cmd lq;
@@ -664,6 +669,8 @@
IWL_DEBUG_ASSOC(priv, "Restoring all known stations ... start.\n");
spin_lock_irqsave(&priv->sta_lock, flags_spin);
for (i = 0; i < priv->hw_params.max_stations; i++) {
+ if (ctx->ctxid != priv->stations[i].ctxid)
+ continue;
if ((priv->stations[i].used & IWL_STA_DRIVER_ACTIVE) &&
!(priv->stations[i].used & IWL_STA_UCODE_ACTIVE)) {
IWL_DEBUG_ASSOC(priv, "Restoring sta %pM\n",