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The tcp_trace call needs the length of the header. Unfortunately the

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code has rotten a bit so that the header length is not correct at
the point when tcp_trace is called. Temporarily compute the correct
value before the call and restore the old value after. This makes
ports/benchmarks/dbs to almost work.

This is a NOP unless you compile with TCPDEBUG.
This commit is contained in:
Hartmut Brandt 2003-08-13 08:50:42 +00:00
parent 3c653157a5
commit 91f467d592
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=118862
1 changed files with 5 additions and 1 deletions
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6
sys/netinet/tcp_output.c
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@ -848,8 +848,12 @@ tcp_output(struct tcpcb *tp)
/*
* Trace.
*/
if (so->so_options & SO_DEBUG)
if (so->so_options & SO_DEBUG) {
u_short save = ipov->ih_len;
ipov->ih_len = htons(m->m_pkthdr.len /* - hdrlen + (th->th_off << 2) */);
tcp_trace(TA_OUTPUT, tp->t_state, tp, mtod(m, void *), th, 0);
ipov->ih_len = save;
}
#endif
/*