madwifi: fix sequence number check on incoming retransmit checks

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11614 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/madwifi/patches/405-retransmit_check.patch b/package/madwifi/patches/405-retransmit_check.patch
new file mode 100644 (file)
index 0000000..c20a022
--- /dev/null
+++ b/package/madwifi/patches/405-retransmit_check.patch
@@ -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",