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fixed bug #35945: SYN packet should provide the recv MSS not the send MSS

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This commit is contained in:
goldsimon 2012-03-27 20:18:23 +02:00
parent 7043983acc
commit a558c01589
2 changed files with 5 additions and 1 deletions
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4
CHANGELOG
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@ -80,6 +80,10 @@ HISTORY
++ Bugfixes:
2012-03-27: Simon Goldschmidt (patch by Mason)
* tcp_out.c: fixed bug #35945: SYN packet should provide the recv MSS not the
send MSS
2012-03-25: Simon Goldschmidt
* api_msg.c: Fixed bug #35817: do_connect() invalidly signals op_completed
for UDP/RAW with LWIP_TCPIP_CORE_LOCKING==1

2
src/core/tcp_out.c
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@ -1071,7 +1071,7 @@ tcp_output_segment(struct tcp_seg *seg, struct tcp_pcb *pcb)
packets, so ignore it here */
opts = (u32_t *)(void *)(seg->tcphdr + 1);
if (seg->flags & TF_SEG_OPTS_MSS) {
*opts = TCP_BUILD_MSS_OPTION(pcb->mss);
*opts = TCP_BUILD_MSS_OPTION(tcp_eff_send_mss(TCP_MSS, &pcb->local_ip, &pcb->remote_ip, PCB_ISIPV6(pcb)));
opts += 1;
}
#if LWIP_TCP_TIMESTAMPS