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ath9k: fix a tx aggregation padding issue

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28113 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
2011-08-29 09:55:11 +00:00
parent 03dc915dfe
commit a55d56e590
3 changed files with 33 additions and 10 deletions
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23
package/mac80211/patches/545-ath9k_aggr_padding_fix.patch Normal file
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@@ -0,0 +1,23 @@
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -728,7 +728,9 @@ static int ath_compute_num_delims(struct
* Add delimiter when using RTS/CTS with aggregation
* and non enterprise AR9003 card
*/
- if (first_subfrm)
+ if (first_subfrm && (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) &&
+ !AR_SREV_9580_10_OR_LATER(sc->sc_ah) &&
+ (sc->sc_ah->ent_mode & AR_ENT_OTP_MIN_PKT_SIZE_DISABLE))
ndelim = max(ndelim, FIRST_DESC_NDELIMS);
/*
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -1132,6 +1132,7 @@ enum {
#define AR_INTR_PRIO_ASYNC_ENABLE (AR_SREV_9340(ah) ? 0x4094 : 0x40d4)
#define AR_ENT_OTP 0x40d8
#define AR_ENT_OTP_CHAIN2_DISABLE 0x00020000
+#define AR_ENT_OTP_MIN_PKT_SIZE_DISABLE 0x00800000
#define AR_ENT_OTP_MPSD 0x00800000
#define AR_CH0_BB_DPLL1 0x16180