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madwifi: fix sequence number check on incoming retransmit checks

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11614 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2008-07-01 21:38:40 +00:00
parent bd47d6edf9
commit f7bdd481d2
1 changed files with 26 additions and 0 deletions
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26
package/madwifi/patches/405-retransmit_check.patch Normal file
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@ -0,0 +1,26 @@
Index: madwifi-trunk-r3314/net80211/ieee80211.h
===================================================================
--- madwifi-trunk-r3314.orig/net80211/ieee80211.h 2008-07-01 22:16:19.000000000 +0200
+++ madwifi-trunk-r3314/net80211/ieee80211.h 2008-07-01 22:17:12.000000000 +0200
@@ -174,8 +174,6 @@
#define IEEE80211_SEQ_SEQ_MASK 0xfff0
#define IEEE80211_SEQ_SEQ_SHIFT 4
-#define IEEE80211_SEQ_LEQ(a,b) ((int)((a)-(b)) <= 0)
-
#define IEEE80211_NWID_LEN 32
#define IEEE80211_QOS_TXOP 0x00ff
Index: madwifi-trunk-r3314/net80211/ieee80211_input.c
===================================================================
--- madwifi-trunk-r3314.orig/net80211/ieee80211_input.c 2008-07-01 22:17:11.000000000 +0200
+++ madwifi-trunk-r3314/net80211/ieee80211_input.c 2008-07-01 22:17:49.000000000 +0200
@@ -412,7 +412,7 @@
tid = 0;
rxseq = le16toh(*(__le16 *)wh->i_seq);
if ((wh->i_fc[1] & IEEE80211_FC1_RETRY) &&
- IEEE80211_SEQ_LEQ(rxseq, ni->ni_rxseqs[tid])) {
+ (rxseq == ni->ni_rxseqs[tid])) {
/* duplicate, discard */
IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
bssid, "duplicate",