mt76: unify send_tx_status and related helpers
authorStanislaw Gruszka <sgruszka@redhat.com>
Tue, 4 Sep 2018 14:41:10 +0000 (16:41 +0200)
committerFelix Fietkau <nbd@nbd.name>
Wed, 19 Sep 2018 10:29:19 +0000 (12:29 +0200)
Merge send_tx_status and helper functions from mt76x0 and mt76x2.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
drivers/net/wireless/mediatek/mt76/mt76x0/mac.c
drivers/net/wireless/mediatek/mt76/mt76x0/mac.h
drivers/net/wireless/mediatek/mt76/mt76x0/tx.c
drivers/net/wireless/mediatek/mt76/mt76x02_mac.c
drivers/net/wireless/mediatek/mt76/mt76x02_mac.h
drivers/net/wireless/mediatek/mt76/mt76x2.h
drivers/net/wireless/mediatek/mt76/mt76x2_mac.c
drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c
drivers/net/wireless/mediatek/mt76/mt76x2u_core.c

index 41f681c..eecb9d0 100644 (file)
 #include "trace.h"
 #include <linux/etherdevice.h>
 
-static void
-mt76_mac_process_tx_rate(struct ieee80211_tx_rate *txrate, u16 rate,
-                        enum nl80211_band band)
-{
-       u8 idx = FIELD_GET(MT_RXWI_RATE_INDEX, rate);
-
-       txrate->idx = 0;
-       txrate->flags = 0;
-       txrate->count = 1;
-
-       switch (FIELD_GET(MT_RXWI_RATE_PHY, rate)) {
-       case MT_PHY_TYPE_OFDM:
-               if (band == NL80211_BAND_2GHZ)
-                       idx += 4;
-
-               txrate->idx = idx;
-               return;
-       case MT_PHY_TYPE_CCK:
-               if (idx >= 8)
-                       idx -= 8;
-
-               txrate->idx = idx;
-               return;
-       case MT_PHY_TYPE_HT_GF:
-               txrate->flags |= IEEE80211_TX_RC_GREEN_FIELD;
-               /* fall through */
-       case MT_PHY_TYPE_HT:
-               txrate->flags |= IEEE80211_TX_RC_MCS;
-               txrate->idx = idx;
-               break;
-       case MT_PHY_TYPE_VHT:
-               txrate->flags |= IEEE80211_TX_RC_VHT_MCS;
-               txrate->idx = idx;
-               break;
-       default:
-               WARN_ON(1);
-               return;
-       }
-
-       switch (FIELD_GET(MT_RXWI_RATE_BW, rate)) {
-       case MT_PHY_BW_20:
-               break;
-       case MT_PHY_BW_40:
-               txrate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
-               break;
-       case MT_PHY_BW_80:
-               txrate->flags |= IEEE80211_TX_RC_80_MHZ_WIDTH;
-               break;
-       default:
-               WARN_ON(1);
-               return;
-       }
-
-       if (rate & MT_RXWI_RATE_SGI)
-               txrate->flags |= IEEE80211_TX_RC_SHORT_GI;
-}
-
-static void
-mt76_mac_fill_tx_status(struct mt76x0_dev *dev, struct ieee80211_tx_info *info,
-                       struct mt76x02_tx_status *st, int n_frames)
-{
-       struct ieee80211_tx_rate *rate = info->status.rates;
-       int cur_idx, last_rate;
-       int i;
-
-       if (!n_frames)
-               return;
-
-       last_rate = min_t(int, st->retry, IEEE80211_TX_MAX_RATES - 1);
-       mt76_mac_process_tx_rate(&rate[last_rate], st->rate,
-                                dev->mt76.chandef.chan->band);
-       if (last_rate < IEEE80211_TX_MAX_RATES - 1)
-               rate[last_rate + 1].idx = -1;
-
-       cur_idx = rate[last_rate].idx + last_rate;
-       for (i = 0; i <= last_rate; i++) {
-               rate[i].flags = rate[last_rate].flags;
-               rate[i].idx = max_t(int, 0, cur_idx - i);
-               rate[i].count = 1;
-       }
-
-       rate[last_rate - 1].count = st->retry + 1 - last_rate;
-
-       info->status.ampdu_len = n_frames;
-       info->status.ampdu_ack_len = st->success ? n_frames : 0;
-
-       if (st->pktid & MT_TXWI_PKTID_PROBE)
-               info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
-
-       if (st->aggr)
-               info->flags |= IEEE80211_TX_CTL_AMPDU |
-                              IEEE80211_TX_STAT_AMPDU;
-
-       if (!st->ack_req)
-               info->flags |= IEEE80211_TX_CTL_NO_ACK;
-       else if (st->success)
-               info->flags |= IEEE80211_TX_STAT_ACK;
-}
-
-void mt76x0_send_tx_status(struct mt76x0_dev *dev, struct mt76x02_tx_status *stat, u8 *update)
-{
-       struct ieee80211_tx_info info = {};
-       struct ieee80211_sta *sta = NULL;
-       struct mt76_wcid *wcid = NULL;
-       struct mt76x02_sta *msta = NULL;
-
-       rcu_read_lock();
-       if (stat->wcid < ARRAY_SIZE(dev->mt76.wcid))
-               wcid = rcu_dereference(dev->mt76.wcid[stat->wcid]);
-
-       if (wcid) {
-               void *priv;
-               priv = msta = container_of(wcid, struct mt76x02_sta, wcid);
-               sta = container_of(priv, struct ieee80211_sta, drv_priv);
-       }
-
-       if (msta && stat->aggr) {
-               u32 stat_val, stat_cache;
-
-               stat_val = stat->rate;
-               stat_val |= ((u32) stat->retry) << 16;
-               stat_cache = msta->status.rate;
-               stat_cache |= ((u32) msta->status.retry) << 16;
-
-               if (*update == 0 && stat_val == stat_cache &&
-                   stat->wcid == msta->status.wcid && msta->n_frames < 32) {
-                       msta->n_frames++;
-                       goto out;
-               }
-
-               mt76_mac_fill_tx_status(dev, &info, &msta->status,
-                                       msta->n_frames);
-               msta->status = *stat;
-               msta->n_frames = 1;
-               *update = 0;
-       } else {
-               mt76_mac_fill_tx_status(dev, &info, stat, 1);
-               *update = 1;
-       }
-
-       spin_lock_bh(&dev->mac_lock);
-       ieee80211_tx_status_noskb(dev->mt76.hw, sta, &info);
-       spin_unlock_bh(&dev->mac_lock);
-out:
-       rcu_read_unlock();
-}
-
 void mt76x0_mac_set_protection(struct mt76x0_dev *dev, bool legacy_prot,
                                int ht_mode)
 {
index 33b6e1e..abce22a 100644 (file)
@@ -17,8 +17,4 @@
 
 u32 mt76x0_mac_process_rx(struct mt76x0_dev *dev, struct sk_buff *skb,
                        u8 *data, void *rxi);
-struct mt76x02_tx_status
-mt76x0_mac_fetch_tx_status(struct mt76x0_dev *dev);
-void mt76x0_send_tx_status(struct mt76x0_dev *dev, struct mt76x02_tx_status *stat, u8 *update);
-
 #endif
index 9270469..fa902ac 100644 (file)
@@ -193,7 +193,7 @@ void mt76x0_tx_stat(struct work_struct *work)
                if (!mt76x02_mac_load_tx_status(&dev->mt76, &stat))
                        break;
 
-               mt76x0_send_tx_status(dev, &stat, &update);
+               mt76x02_send_tx_status(&dev->mt76, &stat, &update);
 
                cleaned++;
        }
index ea1f775..873e470 100644 (file)
@@ -241,3 +241,154 @@ bool mt76x02_mac_load_tx_status(struct mt76_dev *dev,
        return true;
 }
 EXPORT_SYMBOL_GPL(mt76x02_mac_load_tx_status);
+
+static int
+mt76x02_mac_process_tx_rate(struct ieee80211_tx_rate *txrate, u16 rate,
+                          enum nl80211_band band)
+{
+       u8 idx = FIELD_GET(MT_RXWI_RATE_INDEX, rate);
+
+       txrate->idx = 0;
+       txrate->flags = 0;
+       txrate->count = 1;
+
+       switch (FIELD_GET(MT_RXWI_RATE_PHY, rate)) {
+       case MT_PHY_TYPE_OFDM:
+               if (band == NL80211_BAND_2GHZ)
+                       idx += 4;
+
+               txrate->idx = idx;
+               return 0;
+       case MT_PHY_TYPE_CCK:
+               if (idx >= 8)
+                       idx -= 8;
+
+               txrate->idx = idx;
+               return 0;
+       case MT_PHY_TYPE_HT_GF:
+               txrate->flags |= IEEE80211_TX_RC_GREEN_FIELD;
+               /* fall through */
+       case MT_PHY_TYPE_HT:
+               txrate->flags |= IEEE80211_TX_RC_MCS;
+               txrate->idx = idx;
+               break;
+       case MT_PHY_TYPE_VHT:
+               txrate->flags |= IEEE80211_TX_RC_VHT_MCS;
+               txrate->idx = idx;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       switch (FIELD_GET(MT_RXWI_RATE_BW, rate)) {
+       case MT_PHY_BW_20:
+               break;
+       case MT_PHY_BW_40:
+               txrate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
+               break;
+       case MT_PHY_BW_80:
+               txrate->flags |= IEEE80211_TX_RC_80_MHZ_WIDTH;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       if (rate & MT_RXWI_RATE_SGI)
+               txrate->flags |= IEEE80211_TX_RC_SHORT_GI;
+
+       return 0;
+}
+
+static void
+mt76x02_mac_fill_tx_status(struct mt76_dev *dev,
+                         struct ieee80211_tx_info *info,
+                         struct mt76x02_tx_status *st, int n_frames)
+{
+       struct ieee80211_tx_rate *rate = info->status.rates;
+       int cur_idx, last_rate;
+       int i;
+
+       if (!n_frames)
+               return;
+
+       last_rate = min_t(int, st->retry, IEEE80211_TX_MAX_RATES - 1);
+       mt76x02_mac_process_tx_rate(&rate[last_rate], st->rate,
+                                  dev->chandef.chan->band);
+       if (last_rate < IEEE80211_TX_MAX_RATES - 1)
+               rate[last_rate + 1].idx = -1;
+
+       cur_idx = rate[last_rate].idx + last_rate;
+       for (i = 0; i <= last_rate; i++) {
+               rate[i].flags = rate[last_rate].flags;
+               rate[i].idx = max_t(int, 0, cur_idx - i);
+               rate[i].count = 1;
+       }
+       rate[last_rate].count = st->retry + 1 - last_rate;
+
+       info->status.ampdu_len = n_frames;
+       info->status.ampdu_ack_len = st->success ? n_frames : 0;
+
+       if (st->pktid & MT_TXWI_PKTID_PROBE)
+               info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
+
+       if (st->aggr)
+               info->flags |= IEEE80211_TX_CTL_AMPDU |
+                              IEEE80211_TX_STAT_AMPDU;
+
+       if (!st->ack_req)
+               info->flags |= IEEE80211_TX_CTL_NO_ACK;
+       else if (st->success)
+               info->flags |= IEEE80211_TX_STAT_ACK;
+}
+
+void mt76x02_send_tx_status(struct mt76_dev *dev,
+                          struct mt76x02_tx_status *stat, u8 *update)
+{
+       struct ieee80211_tx_info info = {};
+       struct ieee80211_sta *sta = NULL;
+       struct mt76_wcid *wcid = NULL;
+       struct mt76x02_sta *msta = NULL;
+
+       rcu_read_lock();
+       if (stat->wcid < ARRAY_SIZE(dev->wcid))
+               wcid = rcu_dereference(dev->wcid[stat->wcid]);
+
+       if (wcid) {
+               void *priv;
+
+               priv = msta = container_of(wcid, struct mt76x02_sta, wcid);
+               sta = container_of(priv, struct ieee80211_sta,
+                                  drv_priv);
+       }
+
+       if (msta && stat->aggr) {
+               u32 stat_val, stat_cache;
+
+               stat_val = stat->rate;
+               stat_val |= ((u32) stat->retry) << 16;
+               stat_cache = msta->status.rate;
+               stat_cache |= ((u32) msta->status.retry) << 16;
+
+               if (*update == 0 && stat_val == stat_cache &&
+                   stat->wcid == msta->status.wcid && msta->n_frames < 32) {
+                       msta->n_frames++;
+                       goto out;
+               }
+
+               mt76x02_mac_fill_tx_status(dev, &info, &msta->status,
+                                         msta->n_frames);
+
+               msta->status = *stat;
+               msta->n_frames = 1;
+               *update = 0;
+       } else {
+               mt76x02_mac_fill_tx_status(dev, &info, stat, 1);
+               *update = 1;
+       }
+
+       ieee80211_tx_status_noskb(dev->hw, sta, &info);
+
+out:
+       rcu_read_unlock();
+}
+EXPORT_SYMBOL_GPL(mt76x02_send_tx_status);
index 0547f7d..4ba38f2 100644 (file)
@@ -197,4 +197,6 @@ mt76x02_mac_tx_rate_val(struct mt76_dev *dev,
                       const struct ieee80211_tx_rate *rate, u8 *nss_val);
 bool mt76x02_mac_load_tx_status(struct mt76_dev *dev,
                               struct mt76x02_tx_status *stat);
+void mt76x02_send_tx_status(struct mt76_dev *dev,
+                          struct mt76x02_tx_status *stat, u8 *update);
 #endif
index 0a29e7a..b3a936e 100644 (file)
@@ -241,8 +241,6 @@ void mt76x2_tx_set_txpwr_auto(struct mt76x2_dev *dev, s8 txpwr);
 
 int mt76x2_insert_hdr_pad(struct sk_buff *skb);
 
-void mt76x2_send_tx_status(struct mt76x2_dev *dev,
-                          struct mt76x02_tx_status *stat, u8 *update);
 void mt76x2_reset_wlan(struct mt76x2_dev *dev, bool enable);
 void mt76x2_init_txpower(struct mt76x2_dev *dev,
                         struct ieee80211_supported_band *sband);
index b346f17..3bb02b5 100644 (file)
@@ -51,7 +51,7 @@ void mt76x2_mac_poll_tx_status(struct mt76x2_dev *dev, bool irq)
                trace_mac_txstat_fetch(dev, &stat);
 
                if (!irq) {
-                       mt76x2_send_tx_status(dev, &stat, &update);
+                       mt76x02_send_tx_status(&dev->mt76, &stat, &update);
                        continue;
                }
 
@@ -82,7 +82,7 @@ void mt76x2_mac_process_tx_status_fifo(struct mt76x2_dev *dev)
        u8 update = 1;
 
        while (kfifo_get(&dev->txstatus_fifo, &stat))
-               mt76x2_send_tx_status(dev, &stat, &update);
+               mt76x02_send_tx_status(&dev->mt76, &stat, &update);
 }
 
 void mt76x2_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q,
index 4cd94bf..1ebc3bf 100644 (file)
@@ -53,157 +53,6 @@ void mt76x2_mac_stop(struct mt76x2_dev *dev, bool force)
 }
 EXPORT_SYMBOL_GPL(mt76x2_mac_stop);
 
-static int
-mt76x2_mac_process_tx_rate(struct ieee80211_tx_rate *txrate, u16 rate,
-                          enum nl80211_band band)
-{
-       u8 idx = FIELD_GET(MT_RXWI_RATE_INDEX, rate);
-
-       txrate->idx = 0;
-       txrate->flags = 0;
-       txrate->count = 1;
-
-       switch (FIELD_GET(MT_RXWI_RATE_PHY, rate)) {
-       case MT_PHY_TYPE_OFDM:
-               if (band == NL80211_BAND_2GHZ)
-                       idx += 4;
-
-               txrate->idx = idx;
-               return 0;
-       case MT_PHY_TYPE_CCK:
-               if (idx >= 8)
-                       idx -= 8;
-
-               txrate->idx = idx;
-               return 0;
-       case MT_PHY_TYPE_HT_GF:
-               txrate->flags |= IEEE80211_TX_RC_GREEN_FIELD;
-               /* fall through */
-       case MT_PHY_TYPE_HT:
-               txrate->flags |= IEEE80211_TX_RC_MCS;
-               txrate->idx = idx;
-               break;
-       case MT_PHY_TYPE_VHT:
-               txrate->flags |= IEEE80211_TX_RC_VHT_MCS;
-               txrate->idx = idx;
-               break;
-       default:
-               return -EINVAL;
-       }
-
-       switch (FIELD_GET(MT_RXWI_RATE_BW, rate)) {
-       case MT_PHY_BW_20:
-               break;
-       case MT_PHY_BW_40:
-               txrate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
-               break;
-       case MT_PHY_BW_80:
-               txrate->flags |= IEEE80211_TX_RC_80_MHZ_WIDTH;
-               break;
-       default:
-               return -EINVAL;
-       }
-
-       if (rate & MT_RXWI_RATE_SGI)
-               txrate->flags |= IEEE80211_TX_RC_SHORT_GI;
-
-       return 0;
-}
-
-static void
-mt76x2_mac_fill_tx_status(struct mt76x2_dev *dev,
-                         struct ieee80211_tx_info *info,
-                         struct mt76x02_tx_status *st, int n_frames)
-{
-       struct ieee80211_tx_rate *rate = info->status.rates;
-       int cur_idx, last_rate;
-       int i;
-
-       if (!n_frames)
-               return;
-
-       last_rate = min_t(int, st->retry, IEEE80211_TX_MAX_RATES - 1);
-       mt76x2_mac_process_tx_rate(&rate[last_rate], st->rate,
-                                dev->mt76.chandef.chan->band);
-       if (last_rate < IEEE80211_TX_MAX_RATES - 1)
-               rate[last_rate + 1].idx = -1;
-
-       cur_idx = rate[last_rate].idx + last_rate;
-       for (i = 0; i <= last_rate; i++) {
-               rate[i].flags = rate[last_rate].flags;
-               rate[i].idx = max_t(int, 0, cur_idx - i);
-               rate[i].count = 1;
-       }
-       rate[last_rate].count = st->retry + 1 - last_rate;
-
-       info->status.ampdu_len = n_frames;
-       info->status.ampdu_ack_len = st->success ? n_frames : 0;
-
-       if (st->pktid & MT_TXWI_PKTID_PROBE)
-               info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
-
-       if (st->aggr)
-               info->flags |= IEEE80211_TX_CTL_AMPDU |
-                              IEEE80211_TX_STAT_AMPDU;
-
-       if (!st->ack_req)
-               info->flags |= IEEE80211_TX_CTL_NO_ACK;
-       else if (st->success)
-               info->flags |= IEEE80211_TX_STAT_ACK;
-}
-
-void mt76x2_send_tx_status(struct mt76x2_dev *dev,
-                          struct mt76x02_tx_status *stat, u8 *update)
-{
-       struct ieee80211_tx_info info = {};
-       struct ieee80211_sta *sta = NULL;
-       struct mt76_wcid *wcid = NULL;
-       struct mt76x02_sta *msta = NULL;
-
-       rcu_read_lock();
-       if (stat->wcid < ARRAY_SIZE(dev->mt76.wcid))
-               wcid = rcu_dereference(dev->mt76.wcid[stat->wcid]);
-
-       if (wcid) {
-               void *priv;
-
-               priv = msta = container_of(wcid, struct mt76x02_sta, wcid);
-               sta = container_of(priv, struct ieee80211_sta,
-                                  drv_priv);
-       }
-
-       if (msta && stat->aggr) {
-               u32 stat_val, stat_cache;
-
-               stat_val = stat->rate;
-               stat_val |= ((u32) stat->retry) << 16;
-               stat_cache = msta->status.rate;
-               stat_cache |= ((u32) msta->status.retry) << 16;
-
-               if (*update == 0 && stat_val == stat_cache &&
-                   stat->wcid == msta->status.wcid && msta->n_frames < 32) {
-                       msta->n_frames++;
-                       goto out;
-               }
-
-               mt76x2_mac_fill_tx_status(dev, &info, &msta->status,
-                                         msta->n_frames);
-
-               msta->status = *stat;
-               msta->n_frames = 1;
-               *update = 0;
-       } else {
-               mt76x2_mac_fill_tx_status(dev, &info, stat, 1);
-               *update = 1;
-       }
-
-       ieee80211_tx_status_noskb(mt76_hw(dev), sta, &info);
-
-out:
-       rcu_read_unlock();
-}
-EXPORT_SYMBOL_GPL(mt76x2_send_tx_status);
-
 void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x02_txwi *txwi,
                           struct sk_buff *skb, struct mt76_wcid *wcid,
                           struct ieee80211_sta *sta, int len)
index ec434ad..4aa781e 100644 (file)
@@ -71,7 +71,7 @@ bool mt76x2u_tx_status_data(struct mt76_dev *mdev, u8 *update)
        if (!mt76x02_mac_load_tx_status(&dev->mt76, &stat))
                return false;
 
-       mt76x2_send_tx_status(dev, &stat, update);
+       mt76x02_send_tx_status(&dev->mt76, &stat, update);
 
        return true;
 }