iwlwifi: pass context to iwl_send_rxon_timing

Sometimes we need to send RXON timing even
when we don't have a virtual interface yet,
so pass the context and allow passing one
without a virtual interface pointer.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

1 files changed, 9 insertions, 11 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index b61b838a24b5..91ca5173e862 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -500,13 +500,13 @@ static u16 iwl_adjust_beacon_interval(u16 beacon_val, u16 max_beacon_val)
         return new_val;
 }
 
-int iwl_send_rxon_timing(struct iwl_priv *priv, struct ieee80211_vif *vif)
+int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 {
         u64 tsf;
         s32 interval_tm, rem;
         struct ieee80211_conf *conf = NULL;
         u16 beacon_int;
-        struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
+        struct ieee80211_vif *vif = ctx->vif;
 
         conf = ieee80211_get_hw_conf(priv->hw);
 
@@ -517,15 +517,13 @@ int iwl_send_rxon_timing(struct iwl_priv *priv, struct ieee80211_vif *vif)
         ctx->timing.timestamp = cpu_to_le64(priv->timestamp);
         ctx->timing.listen_interval = cpu_to_le16(conf->listen_interval);
 
-        beacon_int = vif->bss_conf.beacon_int;
+        beacon_int = vif ? vif->bss_conf.beacon_int : 0;
 
-        if (vif->type == NL80211_IFTYPE_ADHOC) {
-                /* TODO: we need to get atim_window from upper stack
-                 * for now we set to 0 */
-                ctx->timing.atim_window = 0;
-        } else {
-                ctx->timing.atim_window = 0;
-        }
+        /*
+         * TODO: For IBSS we need to get atim_window from mac80211,
+         *       for now just always use 0
+         */
+        ctx->timing.atim_window = 0;
 
         beacon_int = iwl_adjust_beacon_interval(beacon_int,
                                 priv->hw_params.max_beacon_itrvl * TIME_UNIT);
@@ -536,7 +534,7 @@ int iwl_send_rxon_timing(struct iwl_priv *priv, struct ieee80211_vif *vif)
         rem = do_div(tsf, interval_tm);
         ctx->timing.beacon_init_val = cpu_to_le32(interval_tm - rem);
 
-        ctx->timing.dtim_period = vif->bss_conf.dtim_period;
+        ctx->timing.dtim_period = vif ? (vif->bss_conf.dtim_period ?: 1) : 1;
 
         IWL_DEBUG_ASSOC(priv,
                         "beacon interval %d beacon timer %d beacon tim %d\n",