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madwifi: fix sequence number check on incoming retransmit checks
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11614 3c298f89-4303-0410-b956-a3cf2f4a3e73
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package/madwifi/patches/405-retransmit_check.patch
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26
package/madwifi/patches/405-retransmit_check.patch
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@ -0,0 +1,26 @@
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Index: madwifi-trunk-r3314/net80211/ieee80211.h
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===================================================================
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--- madwifi-trunk-r3314.orig/net80211/ieee80211.h 2008-07-01 22:16:19.000000000 +0200
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+++ madwifi-trunk-r3314/net80211/ieee80211.h 2008-07-01 22:17:12.000000000 +0200
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@@ -174,8 +174,6 @@
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#define IEEE80211_SEQ_SEQ_MASK 0xfff0
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#define IEEE80211_SEQ_SEQ_SHIFT 4
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-#define IEEE80211_SEQ_LEQ(a,b) ((int)((a)-(b)) <= 0)
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-
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#define IEEE80211_NWID_LEN 32
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#define IEEE80211_QOS_TXOP 0x00ff
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Index: madwifi-trunk-r3314/net80211/ieee80211_input.c
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===================================================================
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--- madwifi-trunk-r3314.orig/net80211/ieee80211_input.c 2008-07-01 22:17:11.000000000 +0200
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+++ madwifi-trunk-r3314/net80211/ieee80211_input.c 2008-07-01 22:17:49.000000000 +0200
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@@ -412,7 +412,7 @@
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tid = 0;
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rxseq = le16toh(*(__le16 *)wh->i_seq);
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if ((wh->i_fc[1] & IEEE80211_FC1_RETRY) &&
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- IEEE80211_SEQ_LEQ(rxseq, ni->ni_rxseqs[tid])) {
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+ (rxseq == ni->ni_rxseqs[tid])) {
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/* duplicate, discard */
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IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
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bssid, "duplicate",
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