Date: Wed, 5 Mar 2008 14:59:07 GMT From: Paolo Pisati <piso@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 136915 for review Message-ID: <200803051459.m25Ex7ax060218@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=136915 Change 136915 by piso@piso_ferret on 2008/03/05 14:58:42 Don't pass down the entire packet: GetDeltaAckIn and GetDeltaSeqOut. Affected files ... .. //depot/projects/soc2005/libalias/sys/netinet/libalias/alias.c#64 edit .. //depot/projects/soc2005/libalias/sys/netinet/libalias/alias_db.c#28 edit .. //depot/projects/soc2005/libalias/sys/netinet/libalias/alias_ftp.c#21 edit .. //depot/projects/soc2005/libalias/sys/netinet/libalias/alias_irc.c#23 edit .. //depot/projects/soc2005/libalias/sys/netinet/libalias/alias_local.h#29 edit .. //depot/projects/soc2005/libalias/sys/netinet/libalias/alias_proxy.c#25 edit .. //depot/projects/soc2005/libalias/sys/netinet/libalias/alias_smedia.c#21 edit Differences ... ==== //depot/projects/soc2005/libalias/sys/netinet/libalias/alias.c#64 (text+ko) ==== @@ -924,7 +924,8 @@ if (GetAckModified(lnk) == 1) { int delta; - delta = GetDeltaAckIn(pip, lnk); + tc = (struct tcphdr *)ip_next(pip); + delta = GetDeltaAckIn(tc->th_ack, lnk); if (delta != 0) { accumulate += twowords(&tc->th_ack); tc->th_ack = htonl(ntohl(tc->th_ack) - delta); @@ -1048,8 +1049,9 @@ /* Modify sequence number if necessary */ if (GetAckModified(lnk) == 1) { int delta; - - delta = GetDeltaSeqOut(pip, lnk); + + tc = (struct tcphdr *)ip_next(pip); + delta = GetDeltaSeqOut(tc->th_seq, lnk); if (delta != 0) { accumulate += twowords(&tc->th_seq); tc->th_seq = htonl(ntohl(tc->th_seq) + delta); ==== //depot/projects/soc2005/libalias/sys/netinet/libalias/alias_db.c#28 (text+ko) ==== @@ -2007,7 +2007,7 @@ // XXX ip free int -GetDeltaAckIn(struct ip *pip, struct alias_link *lnk) +GetDeltaAckIn(u_long ack, struct alias_link *lnk) { /* Find out how much the ACK number has been altered for an incoming @@ -2016,12 +2016,7 @@ */ int i; - struct tcphdr *tc; int delta, ack_diff_min; - u_long ack; - - tc = ip_next(pip); - ack = tc->th_ack; delta = 0; ack_diff_min = -1; @@ -2051,7 +2046,7 @@ // XXX ip free int -GetDeltaSeqOut(struct ip *pip, struct alias_link *lnk) +GetDeltaSeqOut(u_long seq, struct alias_link *lnk) { /* Find out how much the sequence number has been altered for an outgoing @@ -2060,12 +2055,7 @@ */ int i; - struct tcphdr *tc; int delta, seq_diff_min; - u_long seq; - - tc = ip_next(pip); - seq = tc->th_seq; delta = 0; seq_diff_min = -1; ==== //depot/projects/soc2005/libalias/sys/netinet/libalias/alias_ftp.c#21 (text+ko) ==== @@ -734,7 +734,8 @@ int delta; SetAckModified(lnk); - delta = GetDeltaSeqOut(pip, lnk); + tc = (struct tcphdr *)ip_next(pip); + delta = GetDeltaSeqOut(tc->th_seq, lnk); AddSeq(pip, lnk, delta + slen - dlen); } ==== //depot/projects/soc2005/libalias/sys/netinet/libalias/alias_irc.c#23 (text+ko) ==== @@ -432,7 +432,8 @@ int delta; SetAckModified(lnk); - delta = GetDeltaSeqOut(pip, lnk); + tc = (struct tcphdr *)ip_next(pip); + delta = GetDeltaSeqOut(tc->th_seq, lnk); AddSeq(pip, lnk, delta + copyat + iCopy - dlen); } ==== //depot/projects/soc2005/libalias/sys/netinet/libalias/alias_local.h#29 (text+ko) ==== @@ -298,8 +298,8 @@ void SetProxyPort(struct alias_link *_lnk, u_short _port); void SetAckModified(struct alias_link *_lnk); int GetAckModified(struct alias_link *_lnk); -int GetDeltaAckIn(struct ip *_pip, struct alias_link *_lnk); -int GetDeltaSeqOut(struct ip *_pip, struct alias_link *_lnk); +int GetDeltaAckIn(u_long, struct alias_link *_lnk); +int GetDeltaSeqOut(u_long, struct alias_link *lnk); void AddSeq (struct ip *_pip, struct alias_link *_lnk, int _delta); void SetExpire (struct alias_link *_lnk, int _expire); void ClearCheckNewLink(struct libalias *la); ==== //depot/projects/soc2005/libalias/sys/netinet/libalias/alias_proxy.c#25 (text+ko) ==== @@ -453,7 +453,8 @@ int delta; SetAckModified(lnk); - delta = GetDeltaSeqOut(pip, lnk); + tc = (struct tcphdr *)ip_next(pip); + delta = GetDeltaSeqOut(tc->th_seq, lnk); AddSeq(pip, lnk, delta + slen); } ==== //depot/projects/soc2005/libalias/sys/netinet/libalias/alias_smedia.c#21 (text+ko) ==== @@ -404,7 +404,8 @@ memcpy(data, newdata, new_dlen); SetAckModified(lnk); - delta = GetDeltaSeqOut(pip, lnk); + tc = (struct tcphdr *)ip_next(pip); + delta = GetDeltaSeqOut(tc->th_seq, lnk); AddSeq(pip, lnk, delta + new_dlen - dlen); new_len = htons(hlen + new_dlen);
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