mac80211: use IEEE80211_NUM_ACS

When comparing hw->queues to determine if the
device is QoS capable, use IEEE80211_NUM_ACS
instead of just 4.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

5 files changed, 9 insertions, 8 deletions

diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 547cd7e..e910449 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -167,7 +167,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
 						 chan, channel_type);
 	}
 
-	if (local->hw.queues >= 4) {
+	if (local->hw.queues >= IEEE80211_NUM_ACS) {
 		pos = skb_put(skb, 9);
 		*pos++ = WLAN_EID_VENDOR_SPECIFIC;
 		*pos++ = 7; /* len */
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index efa9409..efb433d3 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -676,7 +676,7 @@ static u16 ieee80211_monitor_select_queue(struct net_device *dev,
 	struct ieee80211_hdr *hdr;
 	struct ieee80211_radiotap_header *rtap = (void *)skb->data;
 
-	if (local->hw.queues < 4)
+	if (local->hw.queues < IEEE80211_NUM_ACS)
 		return 0;
 
 	if (skb->len < 4 ||
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 4974f99..93d484c 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1134,7 +1134,7 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
 	if (!local->ops->conf_tx)
 		return;
 
-	if (local->hw.queues < 4)
+	if (local->hw.queues < IEEE80211_NUM_ACS)
 		return;
 
 	if (!wmm_param)
@@ -3312,7 +3312,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 	/* Also disable HT if we don't support it or the AP doesn't use WMM */
 	sband = local->hw.wiphy->bands[req->bss->channel->band];
 	if (!sband->ht_cap.ht_supported ||
-	    local->hw.queues < 4 || !bss->wmm_used)
+	    local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used)
 		ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
 
 	memcpy(&ifmgd->ht_capa, &req->ht_capa, sizeof(ifmgd->ht_capa));
@@ -3335,7 +3335,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 		ifmgd->ap_smps = ifmgd->req_smps;
 
 	assoc_data->capability = req->bss->capability;
-	assoc_data->wmm = bss->wmm_used && (local->hw.queues >= 4);
+	assoc_data->wmm = bss->wmm_used &&
+			  (local->hw.queues >= IEEE80211_NUM_ACS);
 	assoc_data->supp_rates = bss->supp_rates;
 	assoc_data->supp_rates_len = bss->supp_rates_len;
 	assoc_data->ht_operation_ie =
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index b35d319..14a01c8 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1928,7 +1928,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 		wme_sta = true;
 
 	/* receiver and we are QoS enabled, use a QoS type frame */
-	if (wme_sta && local->hw.queues >= 4) {
+	if (wme_sta && local->hw.queues >= IEEE80211_NUM_ACS) {
 		fc |= cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
 		hdrlen += 2;
 	}
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 16b4839..c3d643a 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -79,7 +79,7 @@ u16 ieee80211_select_queue_80211(struct ieee80211_local *local,
 {
 	u8 *p;
 
-	if (local->hw.queues < 4)
+	if (local->hw.queues < IEEE80211_NUM_ACS)
 		return 0;
 
 	if (!ieee80211_is_data(hdr->frame_control)) {
@@ -106,7 +106,7 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
 	const u8 *ra = NULL;
 	bool qos = false;
 
-	if (local->hw.queues < 4 || skb->len < 6) {
+	if (local->hw.queues < IEEE80211_NUM_ACS || skb->len < 6) {
 		skb->priority = 0; /* required for correct WPA/11i MIC */
 		return 0;
 	}