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authorShaul Triebitz <shaul.triebitz@intel.com>2018-12-15 11:03:15 +0200
committerJohannes Berg <johannes.berg@intel.com>2018-12-18 14:19:10 +0100
commit2e249fc320862e3f75fd255a21554d6de90fb55a (patch)
tree17f3887ac4bf50a182e4550e7baf5508dc3545e2 /net/mac80211/mlme.c
parentdaa5b83513a7a85491ffa03e7aabd9d7348e97d5 (diff)
downloadlinux-2e249fc320862e3f75fd255a21554d6de90fb55a.tar.gz
mac80211: update driver when MU EDCA params change
Similar to WMM IE, if MU_EDCA IE parameters changed (or ceased to exist)
tell the Driver about it.

Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 3d1334a4a264..975315b5689a 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1869,7 +1869,7 @@ ieee80211_sta_wmm_params(struct ieee80211_local *local,
 	struct ieee80211_tx_queue_params params[IEEE80211_NUM_ACS];
 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 	size_t left;
-	int count, ac;
+	int count, mu_edca_count, ac;
 	const u8 *pos;
 	u8 uapsd_queues = 0;
 
@@ -1889,9 +1889,16 @@ ieee80211_sta_wmm_params(struct ieee80211_local *local,
 		uapsd_queues = ifmgd->uapsd_queues;
 
 	count = wmm_param[6] & 0x0f;
-	if (count == ifmgd->wmm_last_param_set)
+	/* -1 is the initial value of ifmgd->mu_edca_last_param_set.
+	 * if mu_edca was preset before and now it disappeared tell
+	 * the driver about it.
+	 */
+	mu_edca_count = mu_edca ? mu_edca->mu_qos_info & 0x0f : -1;
+	if (count == ifmgd->wmm_last_param_set &&
+	    mu_edca_count == ifmgd->mu_edca_last_param_set)
 		return false;
 	ifmgd->wmm_last_param_set = count;
+	ifmgd->mu_edca_last_param_set = mu_edca_count;
 
 	pos = wmm_param + 8;
 	left = wmm_param_len - 8;
@@ -3349,6 +3356,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
 	 * 4-bit value.
 	 */
 	ifmgd->wmm_last_param_set = -1;
+	ifmgd->mu_edca_last_param_set = -1;
 
 	if (ifmgd->flags & IEEE80211_STA_DISABLE_WMM) {
 		ieee80211_set_wmm_default(sdata, false, false);