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authorFelix Fietkau <nbd@openwrt.org>2010-10-09 00:36:49 +0000
committerFelix Fietkau <nbd@openwrt.org>2010-10-09 00:36:49 +0000
commitcd771e9bc58be90b12bea9671a546720c754d549 (patch)
tree68bbed31cd772e05b99a1af59b5f7947cf9fa8be
parent1d05f23d7366b6893b62b22dc4a00c784e808c31 (diff)
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ath9k: add a fix for an aggregation delimiter size rounding error
SVN-Revision: 23349
-rw-r--r--package/mac80211/patches/510-ath9k_aggr_delim_fix.patch13
1 files changed, 13 insertions, 0 deletions
diff --git a/package/mac80211/patches/510-ath9k_aggr_delim_fix.patch b/package/mac80211/patches/510-ath9k_aggr_delim_fix.patch
new file mode 100644
index 0000000000..a34ff92645
--- /dev/null
+++ b/package/mac80211/patches/510-ath9k_aggr_delim_fix.patch
@@ -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))