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-rw-r--r--package/mac80211/patches/250-ath5k_mrr.patch208
1 files changed, 0 insertions, 208 deletions
diff --git a/package/mac80211/patches/250-ath5k_mrr.patch b/package/mac80211/patches/250-ath5k_mrr.patch
deleted file mode 100644
index ff15fd4b70..0000000000
--- a/package/mac80211/patches/250-ath5k_mrr.patch
+++ /dev/null
@@ -1,208 +0,0 @@
-Clean up the tx status reporting, fix retry counters (short retries are
-virtual collisions, not actual retries). Implement multi-rate retry
-support.
-This also fixes strong throughput fluctuations with rc80211_pid
-
-Signed-off-by: Felix Fietkau <nbd@openwrt.org>
-
---- a/drivers/net/wireless/ath5k/base.c
-+++ b/drivers/net/wireless/ath5k/base.c
-@@ -530,6 +530,12 @@
- goto err_irq;
- }
-
-+ /* set up multi-rate retry capabilities */
-+ if (sc->ah->ah_version == AR5K_AR5212) {
-+ hw->max_altrates = 3;
-+ hw->max_altrate_tries = 11;
-+ }
-+
- /* Finish private driver data initialization */
- ret = ath5k_attach(pdev, hw);
- if (ret)
-@@ -1149,7 +1155,9 @@
- struct sk_buff *skb = bf->skb;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- unsigned int pktlen, flags, keyidx = AR5K_TXKEYIX_INVALID;
-- int ret;
-+ struct ieee80211_rate *rate;
-+ unsigned int mrr_rate[3], mrr_tries[3];
-+ int i, ret;
-
- flags = AR5K_TXDESC_INTREQ | AR5K_TXDESC_CLRDMASK;
-
-@@ -1174,6 +1182,22 @@
- if (ret)
- goto err_unmap;
-
-+ memset(mrr_rate, 0, sizeof(mrr_rate));
-+ memset(mrr_tries, 0, sizeof(mrr_tries));
-+ for (i = 0; i < 3; i++) {
-+ rate = ieee80211_get_alt_retry_rate(sc->hw, info, i);
-+ if (!rate)
-+ break;
-+
-+ mrr_rate[i] = rate->hw_value;
-+ mrr_tries[i] = info->control.retries[i].limit;
-+ }
-+
-+ ah->ah_setup_mrr_tx_desc(ah, ds,
-+ mrr_rate[0], mrr_tries[0],
-+ mrr_rate[1], mrr_tries[1],
-+ mrr_rate[2], mrr_tries[2]);
-+
- ds->ds_link = 0;
- ds->ds_data = bf->skbaddr;
-
-@@ -1790,7 +1814,7 @@
- struct ath5k_desc *ds;
- struct sk_buff *skb;
- struct ieee80211_tx_info *info;
-- int ret;
-+ int i, ret;
-
- spin_lock(&txq->lock);
- list_for_each_entry_safe(bf, bf0, &txq->q, list) {
-@@ -1812,7 +1836,25 @@
- pci_unmap_single(sc->pdev, bf->skbaddr, skb->len,
- PCI_DMA_TODEVICE);
-
-- info->status.retry_count = ts.ts_shortretry + ts.ts_longretry / 6;
-+ memset(&info->status, 0, sizeof(info->status));
-+ info->tx_rate_idx = ath5k_hw_to_driver_rix(sc,
-+ ts.ts_rate[ts.ts_final_idx]);
-+ info->status.retry_count = ts.ts_longretry;
-+
-+ for (i = 0; i < 4; i++) {
-+ struct ieee80211_tx_altrate *r =
-+ &info->status.retries[i];
-+
-+ if (ts.ts_rate[i]) {
-+ r->rate_idx = ath5k_hw_to_driver_rix(sc, ts.ts_rate[i]);
-+ r->limit = ts.ts_retry[i];
-+ } else {
-+ r->rate_idx = -1;
-+ r->limit = 0;
-+ }
-+ }
-+
-+ info->status.excessive_retries = 0;
- if (unlikely(ts.ts_status)) {
- sc->ll_stats.dot11ACKFailureCount++;
- if (ts.ts_status & AR5K_TXERR_XRETRY)
---- a/drivers/net/wireless/ath5k/desc.c
-+++ b/drivers/net/wireless/ath5k/desc.c
-@@ -318,6 +318,15 @@
- return 0;
- }
-
-+/* no mrr support for cards older than 5212 */
-+static int
-+ath5k_hw_setup_no_mrr(struct ath5k_hw *ah, struct ath5k_desc *desc,
-+ unsigned int tx_rate1, u_int tx_tries1, u_int tx_rate2,
-+ u_int tx_tries2, unsigned int tx_rate3, u_int tx_tries3)
-+{
-+ return 0;
-+}
-+
- /*
- * Proccess the tx status descriptor on 5210/5211
- */
-@@ -352,8 +361,10 @@
- AR5K_DESC_TX_STATUS1_ACK_SIG_STRENGTH);
- ts->ts_antenna = 1;
- ts->ts_status = 0;
-- ts->ts_rate = AR5K_REG_MS(tx_ctl->tx_control_0,
-+ ts->ts_rate[0] = AR5K_REG_MS(tx_ctl->tx_control_0,
- AR5K_2W_TX_DESC_CTL0_XMIT_RATE);
-+ ts->ts_retry[0] = ts->ts_longretry;
-+ ts->ts_final_idx = 0;
-
- if (!(tx_status->tx_status_0 & AR5K_DESC_TX_STATUS0_FRAME_XMIT_OK)) {
- if (tx_status->tx_status_0 &
-@@ -405,29 +416,43 @@
- AR5K_DESC_TX_STATUS1_XMIT_ANTENNA) ? 2 : 1;
- ts->ts_status = 0;
-
-- switch (AR5K_REG_MS(tx_status->tx_status_1,
-- AR5K_DESC_TX_STATUS1_FINAL_TS_INDEX)) {
-- case 0:
-- ts->ts_rate = tx_ctl->tx_control_3 &
-- AR5K_4W_TX_DESC_CTL3_XMIT_RATE0;
-- break;
-+ ts->ts_final_idx = AR5K_REG_MS(tx_status->tx_status_1,
-+ AR5K_DESC_TX_STATUS1_FINAL_TS_INDEX);
-+
-+ /* The longretry counter has the number of un-acked retries
-+ * for the final rate. To get the total number of retries
-+ * we have to add the retry counters for the other rates
-+ * as well
-+ */
-+ ts->ts_retry[ts->ts_final_idx] = ts->ts_longretry;
-+ switch (ts->ts_final_idx) {
-+ case 3:
-+ ts->ts_rate[3] = AR5K_REG_MS(tx_ctl->tx_control_3,
-+ AR5K_4W_TX_DESC_CTL3_XMIT_RATE3);
-+
-+ ts->ts_retry[2] = AR5K_REG_MS(tx_ctl->tx_control_2,
-+ AR5K_4W_TX_DESC_CTL2_XMIT_TRIES2);
-+ ts->ts_longretry += ts->ts_retry[2];
-+ /* fall through */
-+ case 2:
-+ ts->ts_rate[2] = AR5K_REG_MS(tx_ctl->tx_control_3,
-+ AR5K_4W_TX_DESC_CTL3_XMIT_RATE2);
-+
-+ ts->ts_retry[1] = AR5K_REG_MS(tx_ctl->tx_control_2,
-+ AR5K_4W_TX_DESC_CTL2_XMIT_TRIES1);
-+ ts->ts_longretry += ts->ts_retry[1];
-+ /* fall through */
- case 1:
-- ts->ts_rate = AR5K_REG_MS(tx_ctl->tx_control_3,
-+ ts->ts_rate[1] = AR5K_REG_MS(tx_ctl->tx_control_3,
- AR5K_4W_TX_DESC_CTL3_XMIT_RATE1);
-- ts->ts_longretry += AR5K_REG_MS(tx_ctl->tx_control_2,
-+
-+ ts->ts_retry[0] = AR5K_REG_MS(tx_ctl->tx_control_2,
- AR5K_4W_TX_DESC_CTL2_XMIT_TRIES1);
-- break;
-- case 2:
-- ts->ts_rate = AR5K_REG_MS(tx_ctl->tx_control_3,
-- AR5K_4W_TX_DESC_CTL3_XMIT_RATE2);
-- ts->ts_longretry += AR5K_REG_MS(tx_ctl->tx_control_2,
-- AR5K_4W_TX_DESC_CTL2_XMIT_TRIES2);
-- break;
-- case 3:
-- ts->ts_rate = AR5K_REG_MS(tx_ctl->tx_control_3,
-- AR5K_4W_TX_DESC_CTL3_XMIT_RATE3);
-- ts->ts_longretry += AR5K_REG_MS(tx_ctl->tx_control_2,
-- AR5K_4W_TX_DESC_CTL2_XMIT_TRIES3);
-+ ts->ts_longretry += ts->ts_retry[0];
-+ /* fall through */
-+ case 0:
-+ ts->ts_rate[0] = tx_ctl->tx_control_3 &
-+ AR5K_4W_TX_DESC_CTL3_XMIT_RATE0;
- break;
- }
-
-@@ -653,7 +678,7 @@
- } else {
- ah->ah_setup_rx_desc = ath5k_hw_setup_rx_desc;
- ah->ah_setup_tx_desc = ath5k_hw_setup_2word_tx_desc;
-- ah->ah_setup_mrr_tx_desc = ath5k_hw_setup_mrr_tx_desc;
-+ ah->ah_setup_mrr_tx_desc = ath5k_hw_setup_no_mrr;
- ah->ah_proc_tx_desc = ath5k_hw_proc_2word_tx_status;
- }
-
---- a/drivers/net/wireless/ath5k/ath5k.h
-+++ b/drivers/net/wireless/ath5k/ath5k.h
-@@ -418,7 +418,9 @@
- u16 ts_seqnum;
- u16 ts_tstamp;
- u8 ts_status;
-- u8 ts_rate;
-+ u8 ts_rate[4];
-+ u8 ts_retry[4];
-+ u8 ts_final_idx;
- s8 ts_rssi;
- u8 ts_shortretry;
- u8 ts_longretry;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-16 00:47:55 +0000