mac80211: update to the latest version from trunk
[openwrt-10.03/.git] / package / mac80211 / patches / 461-ath5k_fix_short_preamble_dur.patch
diff --git a/package/mac80211/patches/461-ath5k_fix_short_preamble_dur.patch b/package/mac80211/patches/461-ath5k_fix_short_preamble_dur.patch
deleted file mode 100644 (file)
index 8d0a3e8..0000000
+++ /dev/null
@@ -1,82 +0,0 @@
---- a/drivers/net/wireless/ath/ath5k/ath5k.h
-+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
-@@ -1233,7 +1233,7 @@ int ath5k_eeprom_read_mac(struct ath5k_h
- /* Protocol Control Unit Functions */
- /* Helpers */
- int ath5k_hw_get_frame_duration(struct ath5k_hw *ah,
--              int len, struct ieee80211_rate *rate);
-+              int len, struct ieee80211_rate *rate, bool shortpre);
- unsigned int ath5k_hw_get_default_slottime(struct ath5k_hw *ah);
- unsigned int ath5k_hw_get_default_sifs(struct ath5k_hw *ah);
- extern int ath5k_hw_set_opmode(struct ath5k_hw *ah, enum nl80211_iftype opmode);
---- a/drivers/net/wireless/ath/ath5k/pcu.c
-+++ b/drivers/net/wireless/ath/ath5k/pcu.c
-@@ -75,7 +75,7 @@ static const unsigned int ack_rates_high
-  * bwmodes.
-  */
- int ath5k_hw_get_frame_duration(struct ath5k_hw *ah,
--              int len, struct ieee80211_rate *rate)
-+              int len, struct ieee80211_rate *rate, bool shortpre)
- {
-       struct ath5k_softc *sc = ah->ah_sc;
-       int sifs, preamble, plcp_bits, sym_time;
-@@ -84,9 +84,15 @@ int ath5k_hw_get_frame_duration(struct a
-       /* Fallback */
-       if (!ah->ah_bwmode) {
--              dur = ieee80211_generic_frame_duration(sc->hw,
--                                              NULL, len, rate);
--              return le16_to_cpu(dur);
-+              __le16 raw_dur = ieee80211_generic_frame_duration(sc->hw,
-+                                      NULL, len, rate);
-+
-+              /* subtract difference between long and short preamble */
-+              dur = le16_to_cpu(raw_dur);
-+              if (shortpre)
-+                      dur -= 96;
-+
-+              return dur;
-       }
-       bitrate = rate->bitrate;
-@@ -263,27 +269,14 @@ static inline void ath5k_hw_write_rate_d
-                * actual rate for this rate. See mac80211 tx.c
-                * ieee80211_duration() for a brief description of
-                * what rate we should choose to TX ACKs. */
--              tx_time = ath5k_hw_get_frame_duration(ah, 10, rate);
-+              tx_time = ath5k_hw_get_frame_duration(ah, 10, rate, false);
-               ath5k_hw_reg_write(ah, tx_time, reg);
-               if (!(rate->flags & IEEE80211_RATE_SHORT_PREAMBLE))
-                       continue;
--              /*
--               * We're not distinguishing short preamble here,
--               * This is true, all we'll get is a longer value here
--               * which is not necessarilly bad. We could use
--               * export ieee80211_frame_duration() but that needs to be
--               * fixed first to be properly used by mac802111 drivers:
--               *
--               *  - remove erp stuff and let the routine figure ofdm
--               *    erp rates
--               *  - remove passing argument ieee80211_local as
--               *    drivers don't have access to it
--               *  - move drivers using ieee80211_generic_frame_duration()
--               *    to this
--               */
-+              tx_time = ath5k_hw_get_frame_duration(ah, 10, rate, true);
-               ath5k_hw_reg_write(ah, tx_time,
-                       reg + (AR5K_SET_SHORT_PREAMBLE << 2));
-       }
---- a/drivers/net/wireless/ath/ath5k/qcu.c
-+++ b/drivers/net/wireless/ath/ath5k/qcu.c
-@@ -550,7 +550,7 @@ int ath5k_hw_set_ifs_intervals(struct at
-       else
-               rate = &sc->sbands[IEEE80211_BAND_2GHZ].bitrates[0];
--      ack_tx_time = ath5k_hw_get_frame_duration(ah, 10, rate);
-+      ack_tx_time = ath5k_hw_get_frame_duration(ah, 10, rate, false);
-       /* ack_tx_time includes an SIFS already */
-       eifs = ack_tx_time + sifs + 2 * slot_time;