mac80211: share sta->supp_rates

As more preparation for a saner rate control algorithm API,
share the supported rates bitmap in the public API.

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

drivers/net/wireless/ath9k/rc.c

@@ -1825,7 +1825,7 @@ static void ath_setup_rates(struct ieee80211_local *local, struct sta_info *sta)
 
 	sband =  local->hw.wiphy->bands[local->hw.conf.channel->band];
 	for (i = 0; i < sband->n_bitrates; i++) {
-		if (sta->supp_rates[local->hw.conf.channel->band] & BIT(i)) {
+		if (sta->sta.supp_rates[local->hw.conf.channel->band] & BIT(i)) {
 			rc_priv->neg_rates.rs_rates[j]
 				= (sband->bitrates[i].bitrate * 2) / 10;
 			j++;

drivers/net/wireless/iwlwifi/iwl-3945-rs.c

@@ -333,7 +333,7 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
 	 * after assoc.. */
 
 	for (i = IWL_RATE_COUNT - 1; i >= 0; i--) {
-		if (sta->supp_rates[local->hw.conf.channel->band] & (1 << i)) {
+		if (sta->sta.supp_rates[local->hw.conf.channel->band] & (1 << i)) {
 			sta->txrate_idx = i;
 			break;
 		}
@@ -680,7 +680,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
 
 	rs_sta = (void *)sta->rate_ctrl_priv;
 
-	rate_mask = sta->supp_rates[sband->band];
+	rate_mask = sta->sta.supp_rates[sband->band];
 	index = min(rs_sta->last_txrate_idx & 0xffff, IWL_RATE_COUNT - 1);
 
 	if (sband->band == IEEE80211_BAND_5GHZ)

drivers/net/wireless/iwlwifi/iwl-agn-rs.c

@@ -1731,7 +1731,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
 		return;
 
 	lq_sta = (struct iwl_lq_sta *)sta->rate_ctrl_priv;
-	lq_sta->supp_rates = sta->supp_rates[lq_sta->band];
+	lq_sta->supp_rates = sta->sta.supp_rates[lq_sta->band];
 
 	tid = rs_tl_add_packet(lq_sta, hdr);
 
@@ -2233,7 +2233,7 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
 	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 
 	lq_sta->flush_timer = 0;
-	lq_sta->supp_rates = sta->supp_rates[sband->band];
+	lq_sta->supp_rates = sta->sta.supp_rates[sband->band];
 	sta->txrate_idx = 3;
 	for (j = 0; j < LQ_SIZE; j++)
 		for (i = 0; i < IWL_RATE_COUNT; i++)
@@ -2270,7 +2270,7 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
 
 	/* Find highest tx rate supported by hardware and destination station */
 	for (i = 0; i < sband->n_bitrates; i++)
-		if (sta->supp_rates[sband->band] & BIT(i))
+		if (sta->sta.supp_rates[sband->band] & BIT(i))
 			sta->txrate_idx = i;
 
 	lq_sta->last_txrate_idx = sta->txrate_idx;

include/net/mac80211.h

@@ -666,10 +666,12 @@ enum set_key_cmd {
  *
  * @addr: MAC address
  * @aid: AID we assigned to the station if we're an AP
+ * @supp_rates: Bitmap of supported rates (per band)
  * @drv_priv: data area for driver use, will always be aligned to
  *	sizeof(void *), size is determined in hw information.
  */
 struct ieee80211_sta {
+	u64 supp_rates[IEEE80211_NUM_BANDS];
 	u8 addr[ETH_ALEN];
 	u16 aid;
 

net/mac80211/cfg.c

@@ -667,7 +667,7 @@ static void sta_apply_parameters(struct ieee80211_local *local,
 					rates |= BIT(j);
 			}
 		}
-		sta->supp_rates[local->oper_channel->band] = rates;
+		sta->sta.supp_rates[local->oper_channel->band] = rates;
 	}
 
 	if (params->ht_capa) {

net/mac80211/mesh_plink.c

@@ -106,7 +106,7 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
 		return NULL;
 
 	sta->flags = WLAN_STA_AUTHORIZED;
-	sta->supp_rates[local->hw.conf.channel->band] = rates;
+	sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
 
 	return sta;
 }
@@ -243,7 +243,7 @@ void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct ieee80211_sub_if_data
 	}
 
 	sta->last_rx = jiffies;
-	sta->supp_rates[local->hw.conf.channel->band] = rates;
+	sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
 	if (peer_accepting_plinks && sta->plink_state == PLINK_LISTEN &&
 			sdata->u.mesh.accepting_plinks &&
 			sdata->u.mesh.mshcfg.auto_open_plinks)

net/mac80211/mlme.c

@@ -1301,7 +1301,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 		}
 	}
 
-	sta->supp_rates[local->hw.conf.channel->band] = rates;
+	sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
 	sdata->bss_conf.basic_rates = basic_rates;
 
 	/* cf. IEEE 802.11 9.2.12 */
@@ -1497,13 +1497,13 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
 		if (sta) {
 			u64 prev_rates;
 
-			prev_rates = sta->supp_rates[band];
+			prev_rates = sta->sta.supp_rates[band];
 			/* make sure mandatory rates are always added */
-			sta->supp_rates[band] = supp_rates |
+			sta->sta.supp_rates[band] = supp_rates |
 				ieee80211_mandatory_rates(local, band);
 
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
-			if (sta->supp_rates[band] != prev_rates)
+			if (sta->sta.supp_rates[band] != prev_rates)
 				printk(KERN_DEBUG "%s: updated supp_rates set "
 				    "for %s based on beacon info (0x%llx | "
 				    "0x%llx -> 0x%llx)\n",
@@ -1511,7 +1511,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
 				    print_mac(mac, sta->sta.addr),
 				    (unsigned long long) prev_rates,
 				    (unsigned long long) supp_rates,
-				    (unsigned long long) sta->supp_rates[band]);
+				    (unsigned long long) sta->sta.supp_rates[band]);
 #endif
 		} else {
 			ieee80211_ibss_add_sta(sdata, NULL, mgmt->bssid,
@@ -2339,7 +2339,7 @@ struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
 	set_sta_flags(sta, WLAN_STA_AUTHORIZED);
 
 	/* make sure mandatory rates are always added */
-	sta->supp_rates[band] = supp_rates |
+	sta->sta.supp_rates[band] = supp_rates |
 			ieee80211_mandatory_rates(local, band);
 
 	rate_control_rate_init(sta, local);

net/mac80211/rate.h

@@ -134,7 +134,7 @@ static inline int rate_supported(struct sta_info *sta,
 				 enum ieee80211_band band,
 				 int index)
 {
-	return (sta == NULL || sta->supp_rates[band] & BIT(index));
+	return (sta == NULL || sta->sta.supp_rates[band] & BIT(index));
 }
 
 static inline s8

net/mac80211/sta_info.h

@@ -168,7 +168,6 @@ struct sta_ampdu_mlme {
  *	in the header file.
  * @flaglock: spinlock for flags accesses
  * @ht_info: HT capabilities of this STA
- * @supp_rates: Bitmap of supported rates (per band)
  * @addr: MAC address of this STA
  * @aid: STA's unique AID (1..2007, 0 = not assigned yet),
  *	only used in AP (and IBSS?) mode
@@ -228,7 +227,6 @@ struct sta_info {
 	spinlock_t lock;
 	spinlock_t flaglock;
 	struct ieee80211_ht_info ht_info;
-	u64 supp_rates[IEEE80211_NUM_BANDS];
 
 	u16 listen_interval;