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Fix indentation of the syncache_expand() section in tcp_input().

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This commit is contained in:
Andre Oppermann 2007-05-28 11:35:40 +00:00
parent 7a2f86ce08
commit e885b205c6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=170058
1 changed files with 52 additions and 52 deletions
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104
sys/netinet/tcp_input.c
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@ -584,63 +584,63 @@ tcp_input(struct mbuf *m, int off0)
* is a valid reset segment.
*/
if ((thflags & (TH_RST|TH_ACK|TH_SYN)) == TH_ACK) {
/*
* Parse the TCP options here because
* syncookies need access to the reflected
* timestamp.
*/
tcp_dooptions(&to, optp, optlen, 0);
/*
* NB: syncache_expand() doesn't unlock
* inp and tcpinfo locks.
*/
if (!syncache_expand(&inc, &to, th, &so, m)) {
/*
* Parse the TCP options here because
* syncookies need access to the reflected
* timestamp.
* No syncache entry or ACK was not
* for our SYN/ACK. Send a RST.
*/
tcp_dooptions(&to, optp, optlen, 0);
rstreason = BANDLIM_RST_OPENPORT;
goto dropwithreset;
}
if (so == NULL) {
/*
* NB: syncache_expand() doesn't unlock
* inp and tcpinfo locks.
* We completed the 3-way handshake
* but could not allocate a socket
* either due to memory shortage,
* listen queue length limits or
* global socket limits. Send RST
* or wait and have the remote end
* retransmit the ACK for another
* try.
*/
if (!syncache_expand(&inc, &to, th, &so, m)) {
/*
* No syncache entry or ACK was not
* for our SYN/ACK. Send a RST.
*/
rstreason = BANDLIM_RST_OPENPORT;
if ((s = tcp_log_addrs(&inc, th, NULL, NULL)))
log(LOG_DEBUG, "%s; %s: Listen socket: "
"Socket allocation failure, %s\n",
s, __func__, (tcp_sc_rst_sock_fail ?
"sending RST" : "try again"));
if (tcp_sc_rst_sock_fail) {
rstreason = BANDLIM_UNLIMITED;
goto dropwithreset;
}
if (so == NULL) {
/*
* We completed the 3-way handshake
* but could not allocate a socket
* either due to memory shortage,
* listen queue length limits or
* global socket limits. Send RST
* or wait and have the remote end
* retransmit the ACK for another
* try.
*/
if ((s = tcp_log_addrs(&inc, th, NULL, NULL)))
log(LOG_DEBUG, "%s; %s: Listen socket: "
"Socket allocation failure, %s\n",
s, __func__, (tcp_sc_rst_sock_fail ?
"sending RST" : "try again"));
if (tcp_sc_rst_sock_fail) {
rstreason = BANDLIM_UNLIMITED;
goto dropwithreset;
} else
goto dropunlock;
}
/*
* Socket is created in state SYN_RECEIVED.
* Continue processing segment.
*/
INP_UNLOCK(inp); /* listen socket */
inp = sotoinpcb(so);
INP_LOCK(inp); /* new connection */
tp = intotcpcb(inp);
/*
* Process the segment and the data it
* contains. tcp_do_segment() consumes
* the mbuf chain and unlocks the inpcb.
*/
tcp_do_segment(m, th, so, tp, drop_hdrlen,
tlen);
INP_INFO_UNLOCK_ASSERT(&tcbinfo);
return;
} else
goto dropunlock;
}
/*
* Socket is created in state SYN_RECEIVED.
* Continue processing segment.
*/
INP_UNLOCK(inp); /* listen socket */
inp = sotoinpcb(so);
INP_LOCK(inp); /* new connection */
tp = intotcpcb(inp);
/*
* Process the segment and the data it
* contains. tcp_do_segment() consumes
* the mbuf chain and unlocks the inpcb.
*/
tcp_do_segment(m, th, so, tp, drop_hdrlen,
tlen);
INP_INFO_UNLOCK_ASSERT(&tcbinfo);
return;
}
/*
* Our (SYN|ACK) response was rejected.