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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-scan.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index fe4cb57c3a1c..556dcaaa0efe 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -286,19 +286,28 @@ u16 iwl_get_passive_dwell_time(struct iwl_priv *priv,
286 enum ieee80211_band band, 286 enum ieee80211_band band,
287 struct ieee80211_vif *vif) 287 struct ieee80211_vif *vif)
288{ 288{
289 struct iwl_rxon_context *ctx;
289 u16 passive = (band == IEEE80211_BAND_2GHZ) ? 290 u16 passive = (band == IEEE80211_BAND_2GHZ) ?
290 IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_24 : 291 IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_24 :
291 IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_52; 292 IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_52;
292 293
293 if (iwl_is_any_associated(priv)) { 294 if (iwl_is_any_associated(priv)) {
294 /* TODO: should use minimum of all contexts */ 295 /*
295 /* If we're associated, we clamp the maximum passive 296 * If we're associated, we clamp the maximum passive
296 * dwell time to be 98% of the beacon interval (minus 297 * dwell time to be 98% of the smallest beacon interval
297 * 2 * channel tune time) */ 298 * (minus 2 * channel tune time)
298 passive = vif ? vif->bss_conf.beacon_int : 0; 299 */
299 if ((passive > IWL_PASSIVE_DWELL_BASE) || !passive) 300 for_each_context(priv, ctx) {
300 passive = IWL_PASSIVE_DWELL_BASE; 301 u16 value;
301 passive = (passive * 98) / 100 - IWL_CHANNEL_TUNE_TIME * 2; 302
303 if (!iwl_is_associated_ctx(ctx))
304 continue;
305 value = ctx->vif ? ctx->vif->bss_conf.beacon_int : 0;
306 if ((value > IWL_PASSIVE_DWELL_BASE) || !value)
307 value = IWL_PASSIVE_DWELL_BASE;
308 value = (value * 98) / 100 - IWL_CHANNEL_TUNE_TIME * 2;
309 passive = min(value, passive);
310 }
302 } 311 }
303 312
304 return passive; 313 return passive;