1 files changed, 41 insertions, 35 deletions

diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index c339571632b2..c5a607ca8440 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -102,23 +102,23 @@ static void rate_control_pid_adjust_rate(struct ieee80211_local *local,
                                          struct rc_pid_rateinfo *rinfo)
 {
         struct ieee80211_sub_if_data *sdata;
-        struct ieee80211_hw_mode *mode;
+        struct ieee80211_supported_band *sband;
         int newidx;
         int maxrate;
         int back = (adj > 0) ? 1 : -1;
 
         sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
 
-        mode = local->oper_hw_mode;
+        sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
         maxrate = sdata->bss ? sdata->bss->max_ratectrl_rateidx : -1;
 
-        newidx = rate_control_pid_shift_adjust(rinfo, adj, sta->txrate,
-                                               mode->num_rates);
+        newidx = rate_control_pid_shift_adjust(rinfo, adj, sta->txrate_idx,
+                                               sband->n_bitrates);
 
-        while (newidx != sta->txrate) {
-                if (rate_supported(sta, mode, newidx) &&
+        while (newidx != sta->txrate_idx) {
+                if (rate_supported(sta, sband->band, newidx) &&
                     (maxrate < 0 || newidx <= maxrate)) {
-                        sta->txrate = newidx;
+                        sta->txrate_idx = newidx;
                         break;
                 }
 
@@ -128,7 +128,7 @@ static void rate_control_pid_adjust_rate(struct ieee80211_local *local,
 #ifdef CONFIG_MAC80211_DEBUGFS
         rate_control_pid_event_rate_change(
                 &((struct rc_pid_sta_info *)sta->rate_ctrl_priv)->events,
-                newidx, mode->rates[newidx].rate);
+                newidx, sband->bitrates[newidx].bitrate);
 #endif
 }
 
@@ -155,7 +155,7 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
 {
         struct rc_pid_sta_info *spinfo = sta->rate_ctrl_priv;
         struct rc_pid_rateinfo *rinfo = pinfo->rinfo;
-        struct ieee80211_hw_mode *mode;
+        struct ieee80211_supported_band *sband;
         u32 pf;
         s32 err_avg;
         u32 err_prop;
@@ -164,7 +164,7 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
         int adj, i, j, tmp;
         unsigned long period;
 
-        mode = local->oper_hw_mode;
+        sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
         spinfo = sta->rate_ctrl_priv;
 
         /* In case nothing happened during the previous control interval, turn
@@ -190,18 +190,18 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
         spinfo->tx_num_failed = 0;
 
         /* If we just switched rate, update the rate behaviour info. */
-        if (pinfo->oldrate != sta->txrate) {
+        if (pinfo->oldrate != sta->txrate_idx) {
 
                 i = rinfo[pinfo->oldrate].rev_index;
-                j = rinfo[sta->txrate].rev_index;
+                j = rinfo[sta->txrate_idx].rev_index;
 
                 tmp = (pf - spinfo->last_pf);
                 tmp = RC_PID_DO_ARITH_RIGHT_SHIFT(tmp, RC_PID_ARITH_SHIFT);
 
                 rinfo[j].diff = rinfo[i].diff + tmp;
-                pinfo->oldrate = sta->txrate;
+                pinfo->oldrate = sta->txrate_idx;
         }
-        rate_control_pid_normalize(pinfo, mode->num_rates);
+        rate_control_pid_normalize(pinfo, sband->n_bitrates);
 
         /* Compute the proportional, integral and derivative errors. */
         err_prop = (pinfo->target << RC_PID_ARITH_SHIFT) - pf;
@@ -242,8 +242,10 @@ static void rate_control_pid_tx_status(void *priv, struct net_device *dev,
         struct sta_info *sta;
         struct rc_pid_sta_info *spinfo;
         unsigned long period;
+        struct ieee80211_supported_band *sband;
 
         sta = sta_info_get(local, hdr->addr1);
+        sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 
         if (!sta)
                 return;
@@ -251,13 +253,13 @@ static void rate_control_pid_tx_status(void *priv, struct net_device *dev,
         /* Don't update the state if we're not controlling the rate. */
         sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
         if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) {
-                sta->txrate = sdata->bss->max_ratectrl_rateidx;
+                sta->txrate_idx = sdata->bss->max_ratectrl_rateidx;
                 return;
         }
 
         /* Ignore all frames that were sent with a different rate than the rate
          * we currently advise mac80211 to use. */
-        if (status->control.rate != &local->oper_hw_mode->rates[sta->txrate])
+        if (status->control.tx_rate != &sband->bitrates[sta->txrate_idx])
                 goto ignore;
 
         spinfo = sta->rate_ctrl_priv;
@@ -304,7 +306,7 @@ ignore:
 }
 
 static void rate_control_pid_get_rate(void *priv, struct net_device *dev,
-                                      struct ieee80211_hw_mode *mode,
+                                      struct ieee80211_supported_band *sband,
                                       struct sk_buff *skb,
                                       struct rate_selection *sel)
 {
@@ -322,7 +324,7 @@ static void rate_control_pid_get_rate(void *priv, struct net_device *dev,
         fc = le16_to_cpu(hdr->frame_control);
         if ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
             is_multicast_ether_addr(hdr->addr1) || !sta) {
-                sel->rate = rate_lowest(local, mode, sta);
+                sel->rate = rate_lowest(local, sband, sta);
                 if (sta)
                         sta_info_put(sta);
                 return;
@@ -331,23 +333,23 @@ static void rate_control_pid_get_rate(void *priv, struct net_device *dev,
         /* If a forced rate is in effect, select it. */
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
         if (sdata->bss && sdata->bss->force_unicast_rateidx > -1)
-                sta->txrate = sdata->bss->force_unicast_rateidx;
+                sta->txrate_idx = sdata->bss->force_unicast_rateidx;
 
-        rateidx = sta->txrate;
+        rateidx = sta->txrate_idx;
 
-        if (rateidx >= mode->num_rates)
-                rateidx = mode->num_rates - 1;
+        if (rateidx >= sband->n_bitrates)
+                rateidx = sband->n_bitrates - 1;
 
-        sta->last_txrate = rateidx;
+        sta->last_txrate_idx = rateidx;
 
         sta_info_put(sta);
 
-        sel->rate = &mode->rates[rateidx];
+        sel->rate = &sband->bitrates[rateidx];
 
 #ifdef CONFIG_MAC80211_DEBUGFS
         rate_control_pid_event_tx_rate(
                 &((struct rc_pid_sta_info *) sta->rate_ctrl_priv)->events,
-                rateidx, mode->rates[rateidx].rate);
+                rateidx, sband->bitrates[rateidx].bitrate);
 #endif
 }
 
@@ -359,28 +361,32 @@ static void rate_control_pid_rate_init(void *priv, void *priv_sta,
          * as we need to have IEEE 802.1X auth succeed immediately after assoc..
          * Until that method is implemented, we will use the lowest supported
          * rate as a workaround. */
-        sta->txrate = rate_lowest_index(local, local->oper_hw_mode, sta);
+        struct ieee80211_supported_band *sband;
+
+        sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+        sta->txrate_idx = rate_lowest_index(local, sband, sta);
 }
 
 static void *rate_control_pid_alloc(struct ieee80211_local *local)
 {
         struct rc_pid_info *pinfo;
         struct rc_pid_rateinfo *rinfo;
-        struct ieee80211_hw_mode *mode;
+        struct ieee80211_supported_band *sband;
         int i, j, tmp;
         bool s;
 #ifdef CONFIG_MAC80211_DEBUGFS
         struct rc_pid_debugfs_entries *de;
 #endif
 
+        sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+
         pinfo = kmalloc(sizeof(*pinfo), GFP_ATOMIC);
         if (!pinfo)
                 return NULL;
 
-        /* We can safely assume that oper_hw_mode won't change unless we get
+        /* We can safely assume that sband won't change unless we get
          * reinitialized. */
-        mode = local->oper_hw_mode;
-        rinfo = kmalloc(sizeof(*rinfo) * mode->num_rates, GFP_ATOMIC);
+        rinfo = kmalloc(sizeof(*rinfo) * sband->n_bitrates, GFP_ATOMIC);
         if (!rinfo) {
                 kfree(pinfo);
                 return NULL;
@@ -389,7 +395,7 @@ static void *rate_control_pid_alloc(struct ieee80211_local *local)
         /* Sort the rates. This is optimized for the most common case (i.e.
          * almost-sorted CCK+OFDM rates). Kind of bubble-sort with reversed
          * mapping too. */
-        for (i = 0; i < mode->num_rates; i++) {
+        for (i = 0; i < sband->n_bitrates; i++) {
                 rinfo[i].index = i;
                 rinfo[i].rev_index = i;
                 if (pinfo->fast_start)
@@ -397,11 +403,11 @@ static void *rate_control_pid_alloc(struct ieee80211_local *local)
                 else
                         rinfo[i].diff = i * pinfo->norm_offset;
         }
-        for (i = 1; i < mode->num_rates; i++) {
+        for (i = 1; i < sband->n_bitrates; i++) {
                 s = 0;
-                for (j = 0; j < mode->num_rates - i; j++)
-                        if (unlikely(mode->rates[rinfo[j].index].rate >
-                                     mode->rates[rinfo[j + 1].index].rate)) {
+                for (j = 0; j < sband->n_bitrates - i; j++)
+                        if (unlikely(sband->bitrates[rinfo[j].index].bitrate >
+                                     sband->bitrates[rinfo[j + 1].index].bitrate)) {
                                 tmp = rinfo[j].index;
                                 rinfo[j].index = rinfo[j + 1].index;
                                 rinfo[j + 1].index = tmp;