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ath9k: add a fix for an aggregation delimiter size rounding error

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SVN-Revision: 23349
This commit is contained in:
Felix Fietkau 2010-10-09 00:36:49 +00:00
parent 1d05f23d73
commit cd771e9bc5
1 changed files with 13 additions and 0 deletions
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package/mac80211/patches/510-ath9k_aggr_delim_fix.patch Normal file
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@ -0,0 +1,13 @@
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -177,8 +177,8 @@ void ath_descdma_cleanup(struct ath_soft
/* returns delimiter padding required given the packet length */
#define ATH_AGGR_GET_NDELIM(_len) \
- (((((_len) + ATH_AGGR_DELIM_SZ) < ATH_AGGR_MINPLEN) ? \
- (ATH_AGGR_MINPLEN - (_len) - ATH_AGGR_DELIM_SZ) : 0) >> 2)
+ (((_len) >= ATH_AGGR_MINPLEN) ? 0 : \
+ DIV_ROUND_UP(ATH_AGGR_MINPLEN - (_len), ATH_AGGR_DELIM_SZ))
#define BAW_WITHIN(_start, _bawsz, _seqno) \
((((_seqno) - (_start)) & 4095) < (_bawsz))