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| author | Felix Fietkau <nbd@openwrt.org> | 2010-02-19 00:47:32 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2010-02-19 00:47:32 +0000 |
| commit | b47efaaf4d2fe940d06bde1e543947ddd0f7f4dc (patch) | |
| tree | 05f1ed7ac2cb851bcb5345cb5aabd4516f76b907 | |
| parent | b3caca36778acd3230a94c8e91f206c09f8cc442 (diff) | |
| download | mtk-20170518-b47efaaf4d2fe940d06bde1e543947ddd0f7f4dc.zip mtk-20170518-b47efaaf4d2fe940d06bde1e543947ddd0f7f4dc.tar.gz mtk-20170518-b47efaaf4d2fe940d06bde1e543947ddd0f7f4dc.tar.bz2 | |
ath9k: fix rate control fallback rate selection - improves throughput and link stability
SVN-Revision: 19716
| -rw-r--r-- | package/mac80211/patches/530-ath9k_rc_fallback.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/package/mac80211/patches/530-ath9k_rc_fallback.patch b/package/mac80211/patches/530-ath9k_rc_fallback.patch new file mode 100644 index 0000000..1b74eb5 --- /dev/null +++ b/package/mac80211/patches/530-ath9k_rc_fallback.patch @@ -0,0 +1,55 @@ +--- a/drivers/net/wireless/ath/ath9k/rc.c ++++ b/drivers/net/wireless/ath/ath9k/rc.c +@@ -668,7 +668,7 @@ static void ath_get_rate(void *priv, str + struct ieee80211_tx_rate *rates = tx_info->control.rates; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + __le16 fc = hdr->frame_control; +- u8 try_per_rate, i = 0, rix, nrix; ++ u8 try_per_rate, i = 0, rix; + int is_probe = 0; + + if (rate_control_send_low(sta, priv_sta, txrc)) +@@ -688,26 +688,25 @@ static void ath_get_rate(void *priv, str + + rate_table = sc->cur_rate_table; + rix = ath_rc_get_highest_rix(sc, ath_rc_priv, rate_table, &is_probe); +- nrix = rix; + + if (is_probe) { + /* set one try for probe rates. For the + * probes don't enable rts */ + ath_rc_rate_set_series(rate_table, &rates[i++], txrc, +- 1, nrix, 0); ++ 1, rix, 0); + + /* Get the next tried/allowed rate. No RTS for the next series + * after the probe rate + */ +- ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &nrix); ++ ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &rix); + ath_rc_rate_set_series(rate_table, &rates[i++], txrc, +- try_per_rate, nrix, 0); ++ try_per_rate, rix, 0); + + tx_info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE; + } else { + /* Set the choosen rate. No RTS for first series entry. */ + ath_rc_rate_set_series(rate_table, &rates[i++], txrc, +- try_per_rate, nrix, 0); ++ try_per_rate, rix, 0); + } + + /* Fill in the other rates for multirate retry */ +@@ -716,10 +715,10 @@ static void ath_get_rate(void *priv, str + if (i + 1 == 4) + try_per_rate = 8; + +- ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &nrix); ++ ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &rix); + /* All other rates in the series have RTS enabled */ + ath_rc_rate_set_series(rate_table, &rates[i], txrc, +- try_per_rate, nrix, 1); ++ try_per_rate, rix, 1); + } + + /* |