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Diffstat (limited to 'package/mac80211/patches/530-ath9k_cleanup.patch')
-rw-r--r--package/mac80211/patches/530-ath9k_cleanup.patch460
1 files changed, 0 insertions, 460 deletions
diff --git a/package/mac80211/patches/530-ath9k_cleanup.patch b/package/mac80211/patches/530-ath9k_cleanup.patch
deleted file mode 100644
index ab205d573a..0000000000
--- a/package/mac80211/patches/530-ath9k_cleanup.patch
+++ /dev/null
@@ -1,460 +0,0 @@
---- a/drivers/net/wireless/ath/ath9k/common.h
-+++ b/drivers/net/wireless/ath/ath9k/common.h
-@@ -81,6 +81,7 @@ struct ath_buf {
- u16 bf_flags;
- struct ath_buf_state bf_state;
- dma_addr_t bf_dmacontext;
-+ struct ath_wiphy *aphy;
- };
-
- struct ath_atx_tid {
---- a/drivers/net/wireless/ath/ath9k/rc.h
-+++ b/drivers/net/wireless/ath/ath9k/rc.h
-@@ -167,24 +167,18 @@ struct ath_rate_priv {
- struct ath_rate_softc *asc;
- };
-
-+#define ATH_TX_INFO_FRAME_TYPE_INTERNAL (1 << 0)
-+#define ATH_TX_INFO_FRAME_TYPE_PAUSE (1 << 1)
-+#define ATH_TX_INFO_UPDATE_RC (1 << 2)
-+#define ATH_TX_INFO_XRETRY (1 << 3)
-+#define ATH_TX_INFO_UNDERRUN (1 << 4)
-+
- enum ath9k_internal_frame_type {
- ATH9K_NOT_INTERNAL,
- ATH9K_INT_PAUSE,
- ATH9K_INT_UNPAUSE
- };
-
--struct ath_tx_info_priv {
-- struct ath_wiphy *aphy;
-- struct ath_tx_status tx;
-- int n_frames;
-- int n_bad_frames;
-- bool update_rc;
-- enum ath9k_internal_frame_type frame_type;
--};
--
--#define ATH_TX_INFO_PRIV(tx_info) \
-- ((struct ath_tx_info_priv *)((tx_info)->rate_driver_data[0]))
--
- void ath_rate_attach(struct ath_softc *sc);
- u8 ath_rate_findrateix(struct ath_softc *sc, u8 dot11_rate);
- int ath_rate_control_register(void);
---- a/drivers/net/wireless/ath/ath9k/virtual.c
-+++ b/drivers/net/wireless/ath/ath9k/virtual.c
-@@ -338,13 +338,11 @@ void ath9k_wiphy_chan_work(struct work_s
- void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
- {
- struct ath_wiphy *aphy = hw->priv;
-- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-- struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
-
-- if (tx_info_priv && tx_info_priv->frame_type == ATH9K_INT_PAUSE &&
-+ if ((tx_info->pad[0] & ATH_TX_INFO_FRAME_TYPE_PAUSE) &&
- aphy->state == ATH_WIPHY_PAUSING) {
-- if (!(info->flags & IEEE80211_TX_STAT_ACK)) {
-+ if (!(tx_info->flags & IEEE80211_TX_STAT_ACK)) {
- printk(KERN_DEBUG "ath9k: %s: no ACK for pause "
- "frame\n", wiphy_name(hw->wiphy));
- /*
-@@ -363,9 +361,6 @@ void ath9k_tx_status(struct ieee80211_hw
- }
- }
-
-- kfree(tx_info_priv);
-- tx_info->rate_driver_data[0] = NULL;
--
- dev_kfree_skb(skb);
- }
-
---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -251,6 +251,7 @@ static struct ath_buf* ath_clone_txbuf(s
-
- ATH_TXBUF_RESET(tbf);
-
-+ tbf->aphy = bf->aphy;
- tbf->bf_mpdu = bf->bf_mpdu;
- tbf->bf_buf_addr = bf->bf_buf_addr;
- *(tbf->bf_desc) = *(bf->bf_desc);
-@@ -270,7 +271,6 @@ static void ath_tx_complete_aggr(struct
- struct ieee80211_hw *hw;
- struct ieee80211_hdr *hdr;
- struct ieee80211_tx_info *tx_info;
-- struct ath_tx_info_priv *tx_info_priv;
- struct ath_atx_tid *tid = NULL;
- struct ath_buf *bf_next, *bf_last = bf->bf_lastbf;
- struct ath_desc *ds = bf_last->bf_desc;
-@@ -284,8 +284,7 @@ static void ath_tx_complete_aggr(struct
- hdr = (struct ieee80211_hdr *)skb->data;
-
- tx_info = IEEE80211_SKB_CB(skb);
-- tx_info_priv = (struct ath_tx_info_priv *) tx_info->rate_driver_data[0];
-- hw = tx_info_priv->aphy->hw;
-+ hw = bf->aphy->hw;
-
- rcu_read_lock();
-
-@@ -464,7 +463,6 @@ static u32 ath_lookup_rate(struct ath_so
- struct sk_buff *skb;
- struct ieee80211_tx_info *tx_info;
- struct ieee80211_tx_rate *rates;
-- struct ath_tx_info_priv *tx_info_priv;
- u32 max_4ms_framelen, frmlen;
- u16 aggr_limit, legacy = 0;
- int i;
-@@ -472,7 +470,6 @@ static u32 ath_lookup_rate(struct ath_so
- skb = bf->bf_mpdu;
- tx_info = IEEE80211_SKB_CB(skb);
- rates = tx_info->control.rates;
-- tx_info_priv = (struct ath_tx_info_priv *)tx_info->rate_driver_data[0];
-
- /*
- * Find the lowest frame length among the rate series that will have a
-@@ -1560,21 +1557,26 @@ static int ath_tx_setup_buffer(struct ie
- struct ath_softc *sc = aphy->sc;
- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-- struct ath_tx_info_priv *tx_info_priv;
- int hdrlen;
- __le16 fc;
-
-- tx_info_priv = kzalloc(sizeof(*tx_info_priv), GFP_ATOMIC);
-- if (unlikely(!tx_info_priv))
-- return -ENOMEM;
-- tx_info->rate_driver_data[0] = tx_info_priv;
-- tx_info_priv->aphy = aphy;
-- tx_info_priv->frame_type = txctl->frame_type;
-+ tx_info->pad[0] = 0;
-+ switch (txctl->frame_type) {
-+ case ATH9K_NOT_INTERNAL:
-+ break;
-+ case ATH9K_INT_PAUSE:
-+ tx_info->pad[0] |= ATH_TX_INFO_FRAME_TYPE_PAUSE;
-+ /* fall through */
-+ case ATH9K_INT_UNPAUSE:
-+ tx_info->pad[0] |= ATH_TX_INFO_FRAME_TYPE_INTERNAL;
-+ break;
-+ }
- hdrlen = ieee80211_get_hdrlen_from_skb(skb);
- fc = hdr->frame_control;
-
- ATH_TXBUF_RESET(bf);
-
-+ bf->aphy = aphy;
- bf->bf_frmlen = skb->len + FCS_LEN - (hdrlen & 3);
-
- if (conf_is_ht(&hw->conf) && !is_pae(skb))
-@@ -1599,8 +1601,6 @@ static int ath_tx_setup_buffer(struct ie
- skb->len, DMA_TO_DEVICE);
- if (unlikely(dma_mapping_error(sc->dev, bf->bf_dmacontext))) {
- bf->bf_mpdu = NULL;
-- kfree(tx_info_priv);
-- tx_info->rate_driver_data[0] = NULL;
- ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
- "dma_mapping_error() on TX\n");
- return -ENOMEM;
-@@ -1781,27 +1781,17 @@ exit:
- /*****************/
-
- static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
-- int tx_flags)
-+ struct ath_wiphy *aphy, int tx_flags)
- {
- struct ieee80211_hw *hw = sc->hw;
- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-- struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- int hdrlen, padsize;
-- int frame_type = ATH9K_NOT_INTERNAL;
-
- ath_print(common, ATH_DBG_XMIT, "TX complete: skb: %p\n", skb);
-
-- if (tx_info_priv) {
-- hw = tx_info_priv->aphy->hw;
-- frame_type = tx_info_priv->frame_type;
-- }
--
-- if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK ||
-- tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
-- kfree(tx_info_priv);
-- tx_info->rate_driver_data[0] = NULL;
-- }
-+ if (aphy)
-+ hw = aphy->hw;
-
- if (tx_flags & ATH_TX_BAR)
- tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
-@@ -1833,10 +1823,10 @@ static void ath_tx_complete(struct ath_s
- SC_OP_WAIT_FOR_TX_ACK));
- }
-
-- if (frame_type == ATH9K_NOT_INTERNAL)
-- ieee80211_tx_status(hw, skb);
-- else
-+ if (unlikely(tx_info->pad[0] & ATH_TX_INFO_FRAME_TYPE_INTERNAL))
- ath9k_tx_status(hw, skb);
-+ else
-+ ieee80211_tx_status(hw, skb);
- }
-
- static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
-@@ -1859,7 +1849,7 @@ static void ath_tx_complete_buf(struct a
- }
-
- dma_unmap_single(sc->dev, bf->bf_dmacontext, skb->len, DMA_TO_DEVICE);
-- ath_tx_complete(sc, skb, tx_flags);
-+ ath_tx_complete(sc, skb, bf->aphy, tx_flags);
- ath_debug_stat_tx(sc, txq, bf);
-
- /*
-@@ -1907,8 +1897,7 @@ static void ath_tx_rc_status(struct ath_
- struct sk_buff *skb = bf->bf_mpdu;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-- struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
-- struct ieee80211_hw *hw = tx_info_priv->aphy->hw;
-+ struct ieee80211_hw *hw = bf->aphy->hw;
- u8 i, tx_rateindex;
-
- if (txok)
-@@ -1917,17 +1906,22 @@ static void ath_tx_rc_status(struct ath_
- tx_rateindex = ds->ds_txstat.ts_rateindex;
- WARN_ON(tx_rateindex >= hw->max_rates);
-
-- tx_info_priv->update_rc = update_rc;
-+ if (update_rc)
-+ tx_info->pad[0] |= ATH_TX_INFO_UPDATE_RC;
- if (ds->ds_txstat.ts_status & ATH9K_TXERR_FILT)
- tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
-
- if ((ds->ds_txstat.ts_status & ATH9K_TXERR_FILT) == 0 &&
- (bf->bf_flags & ATH9K_TXDESC_NOACK) == 0 && update_rc) {
- if (ieee80211_is_data(hdr->frame_control)) {
-- memcpy(&tx_info_priv->tx, &ds->ds_txstat,
-- sizeof(tx_info_priv->tx));
-- tx_info_priv->n_frames = bf->bf_nframes;
-- tx_info_priv->n_bad_frames = nbad;
-+ if (ds->ds_txstat.ts_flags &
-+ (ATH9K_TX_DATA_UNDERRUN | ATH9K_TX_DELIM_UNDERRUN))
-+ tx_info->pad[0] |= ATH_TX_INFO_UNDERRUN;
-+ if ((ds->ds_txstat.ts_status & ATH9K_TXERR_XRETRY) ||
-+ (ds->ds_txstat.ts_status & ATH9K_TXERR_FIFO))
-+ tx_info->pad[0] |= ATH_TX_INFO_XRETRY;
-+ tx_info->status.ampdu_len = bf->bf_nframes;
-+ tx_info->status.ampdu_ack_len = bf->bf_nframes - nbad;
- }
- }
-
---- a/drivers/net/wireless/ath/ath9k/debug.c
-+++ b/drivers/net/wireless/ath/ath9k/debug.c
-@@ -257,14 +257,17 @@ static const struct file_operations fops
-
- void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb)
- {
-- struct ath_tx_info_priv *tx_info_priv = NULL;
- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- struct ieee80211_tx_rate *rates = tx_info->status.rates;
-- int final_ts_idx, idx;
-+ int final_ts_idx = 0, idx, i;
- struct ath_rc_stats *stats;
-
-- tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
-- final_ts_idx = tx_info_priv->tx.ts_rateindex;
-+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
-+ if (!rates[i].count)
-+ break;
-+
-+ final_ts_idx = i;
-+ }
- idx = rates[final_ts_idx].idx;
- stats = &sc->debug.stats.rcstats[idx];
- stats->success++;
---- a/drivers/net/wireless/ath/ath9k/rc.c
-+++ b/drivers/net/wireless/ath/ath9k/rc.c
-@@ -859,12 +859,12 @@ static void ath_get_rate(void *priv, str
- static bool ath_rc_update_per(struct ath_softc *sc,
- const struct ath_rate_table *rate_table,
- struct ath_rate_priv *ath_rc_priv,
-- struct ath_tx_info_priv *tx_info_priv,
-+ struct ieee80211_tx_info *tx_info,
- int tx_rate, int xretries, int retries,
- u32 now_msec)
- {
- bool state_change = false;
-- int count;
-+ int count, n_bad_frames;
- u8 last_per;
- static u32 nretry_to_per_lookup[10] = {
- 100 * 0 / 1,
-@@ -880,6 +880,7 @@ static bool ath_rc_update_per(struct ath
- };
-
- last_per = ath_rc_priv->per[tx_rate];
-+ n_bad_frames = tx_info->status.ampdu_len - tx_info->status.ampdu_ack_len;
-
- if (xretries) {
- if (xretries == 1) {
-@@ -907,7 +908,7 @@ static bool ath_rc_update_per(struct ath
- if (retries >= count)
- retries = count - 1;
-
-- if (tx_info_priv->n_bad_frames) {
-+ if (n_bad_frames) {
- /* new_PER = 7/8*old_PER + 1/8*(currentPER)
- * Assuming that n_frames is not 0. The current PER
- * from the retries is 100 * retries / (retries+1),
-@@ -920,14 +921,14 @@ static bool ath_rc_update_per(struct ath
- * the above PER. The expression below is a
- * simplified version of the sum of these two terms.
- */
-- if (tx_info_priv->n_frames > 0) {
-- int n_frames, n_bad_frames;
-+ if (tx_info->status.ampdu_len > 0) {
-+ int n_frames, n_bad_tries;
- u8 cur_per, new_per;
-
-- n_bad_frames = retries * tx_info_priv->n_frames +
-- tx_info_priv->n_bad_frames;
-- n_frames = tx_info_priv->n_frames * (retries + 1);
-- cur_per = (100 * n_bad_frames / n_frames) >> 3;
-+ n_bad_tries = retries * tx_info->status.ampdu_len +
-+ n_bad_frames;
-+ n_frames = tx_info->status.ampdu_len * (retries + 1);
-+ cur_per = (100 * n_bad_tries / n_frames) >> 3;
- new_per = (u8)(last_per - (last_per >> 3) + cur_per);
- ath_rc_priv->per[tx_rate] = new_per;
- }
-@@ -943,8 +944,7 @@ static bool ath_rc_update_per(struct ath
- * this was a probe. Otherwise, ignore the probe.
- */
- if (ath_rc_priv->probe_rate && ath_rc_priv->probe_rate == tx_rate) {
-- if (retries > 0 || 2 * tx_info_priv->n_bad_frames >
-- tx_info_priv->n_frames) {
-+ if (retries > 0 || 2 * n_bad_frames > tx_info->status.ampdu_len) {
- /*
- * Since we probed with just a single attempt,
- * any retries means the probe failed. Also,
-@@ -1003,7 +1003,7 @@ static bool ath_rc_update_per(struct ath
-
- static void ath_rc_update_ht(struct ath_softc *sc,
- struct ath_rate_priv *ath_rc_priv,
-- struct ath_tx_info_priv *tx_info_priv,
-+ struct ieee80211_tx_info *tx_info,
- int tx_rate, int xretries, int retries)
- {
- u32 now_msec = jiffies_to_msecs(jiffies);
-@@ -1020,7 +1020,7 @@ static void ath_rc_update_ht(struct ath_
-
- /* Update PER first */
- state_change = ath_rc_update_per(sc, rate_table, ath_rc_priv,
-- tx_info_priv, tx_rate, xretries,
-+ tx_info, tx_rate, xretries,
- retries, now_msec);
-
- /*
-@@ -1098,7 +1098,6 @@ static void ath_rc_tx_status(struct ath_
- struct ieee80211_tx_info *tx_info,
- int final_ts_idx, int xretries, int long_retry)
- {
-- struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
- const struct ath_rate_table *rate_table;
- struct ieee80211_tx_rate *rates = tx_info->status.rates;
- u8 flags;
-@@ -1124,9 +1123,8 @@ static void ath_rc_tx_status(struct ath_
- return;
-
- rix = ath_rc_get_rateindex(rate_table, &rates[i]);
-- ath_rc_update_ht(sc, ath_rc_priv,
-- tx_info_priv, rix,
-- xretries ? 1 : 2,
-+ ath_rc_update_ht(sc, ath_rc_priv, tx_info,
-+ rix, xretries ? 1 : 2,
- rates[i].count);
- }
- }
-@@ -1149,8 +1147,7 @@ static void ath_rc_tx_status(struct ath_
- return;
-
- rix = ath_rc_get_rateindex(rate_table, &rates[i]);
-- ath_rc_update_ht(sc, ath_rc_priv, tx_info_priv, rix,
-- xretries, long_retry);
-+ ath_rc_update_ht(sc, ath_rc_priv, tx_info, rix, xretries, long_retry);
- }
-
- static const
-@@ -1301,23 +1298,30 @@ static void ath_tx_status(void *priv, st
- {
- struct ath_softc *sc = priv;
- struct ath_rate_priv *ath_rc_priv = priv_sta;
-- struct ath_tx_info_priv *tx_info_priv = NULL;
- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- struct ieee80211_hdr *hdr;
-- int final_ts_idx, tx_status = 0, is_underrun = 0;
-+ int final_ts_idx = 0, tx_status = 0, is_underrun = 0;
-+ int long_retry = 0;
- __le16 fc;
-+ int i;
-
- hdr = (struct ieee80211_hdr *)skb->data;
- fc = hdr->frame_control;
-- tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
-- final_ts_idx = tx_info_priv->tx.ts_rateindex;
-+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
-+ struct ieee80211_tx_rate *rate = &tx_info->status.rates[i];
-+ if (!rate->count)
-+ break;
-+
-+ final_ts_idx = i;
-+ long_retry = rate->count - 1;
-+ }
-
- if (!priv_sta || !ieee80211_is_data(fc) ||
-- !tx_info_priv->update_rc)
-- goto exit;
-+ !(tx_info->pad[0] & ATH_TX_INFO_UPDATE_RC))
-+ return;
-
-- if (tx_info_priv->tx.ts_status & ATH9K_TXERR_FILT)
-- goto exit;
-+ if (tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED)
-+ return;
-
- /*
- * If underrun error is seen assume it as an excessive retry only
-@@ -1325,20 +1329,17 @@ static void ath_tx_status(void *priv, st
- * Adjust the long retry as if the frame was tried hw->max_rate_tries
- * times. This affects how ratectrl updates PER for the failed rate.
- */
-- if (tx_info_priv->tx.ts_flags &
-- (ATH9K_TX_DATA_UNDERRUN | ATH9K_TX_DELIM_UNDERRUN) &&
-- ((sc->sc_ah->tx_trig_level) >= ath_rc_priv->tx_triglevel_max)) {
-+ if ((tx_info->pad[0] & ATH_TX_INFO_UNDERRUN) &&
-+ (sc->sc_ah->tx_trig_level >= ath_rc_priv->tx_triglevel_max)) {
- tx_status = 1;
- is_underrun = 1;
- }
-
-- if ((tx_info_priv->tx.ts_status & ATH9K_TXERR_XRETRY) ||
-- (tx_info_priv->tx.ts_status & ATH9K_TXERR_FIFO))
-+ if (tx_info->pad[0] & ATH_TX_INFO_XRETRY)
- tx_status = 1;
-
- ath_rc_tx_status(sc, ath_rc_priv, tx_info, final_ts_idx, tx_status,
-- (is_underrun) ? sc->hw->max_rate_tries :
-- tx_info_priv->tx.ts_longretry);
-+ (is_underrun) ? sc->hw->max_rate_tries : long_retry);
-
- /* Check if aggregation has to be enabled for this tid */
- if (conf_is_ht(&sc->hw->conf) &&
-@@ -1357,8 +1358,6 @@ static void ath_tx_status(void *priv, st
- }
-
- ath_debug_stat_rc(sc, skb);
--exit:
-- kfree(tx_info_priv);
- }
-
- static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,