mirror/lwip
1
0
Fork 0
mirror of https://github.com/lwip-tcpip/lwip.git synced 2024-11-06 20:29:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

* tcp_in.c: Fix for bug #19953 - correct TCP state machine when

Browse Source 
* receiving FIN+ACK in SYN_RECV state
This commit is contained in:
kieranm 2007-08-16 15:57:31 +00:00
parent 40ef282982
commit a6ca9aa306
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/core/tcp_in.c
View File

@ -568,14 +568,20 @@ tcp_process(struct tcp_pcb *pcb)
old_cwnd = pcb->cwnd;
/* If there was any data contained within this ACK,
* we'd better pass it on to the application as well. */
tcp_receive(pcb);
accepted_inseq = tcp_receive(pcb);
pcb->cwnd = ((old_cwnd == 1) ? (pcb->mss * 2) : pcb->mss);
if ((flags & TCP_FIN) && accepted_inseq) {
tcp_ack_now(pcb);
pcb->state = CLOSE_WAIT;
}
}
/* incorrect ACK number */
else {
/* send RST */
tcp_rst(ackno, seqno + tcplen, &(iphdr->dest), &(iphdr->src),
tcphdr->dest, tcphdr->src);
tcphdr->dest, tcphdr->src);
}
}
break;