d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Back out ip_tos/ip_ttl/DF "fix", it just panic'd my box. :)

Browse Source 
Pointy-hat to:	silby
This commit is contained in:
Mike Silbersack 2002-06-14 02:43:20 +00:00
parent 21c3b2fc69
commit 70d2b17029
3 changed files with 1 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/netinet/tcp_output.c
View File

@ -83,7 +83,7 @@
extern struct mbuf *m_copypack();
#endif
int path_mtu_discovery = 1;
static int path_mtu_discovery = 1;
SYSCTL_INT(_net_inet_tcp, OID_AUTO, path_mtu_discovery, CTLFLAG_RW,
&path_mtu_discovery, 1, "Enable Path MTU Discovery");

18
sys/netinet/tcp_syncache.c
View File

@ -1128,24 +1128,6 @@ syncache_respond(sc, m)
th = (struct tcphdr *)(ip + 1);
}
ip->ip_ttl = sc->sc_tp->t_inpcb->inp_ip_ttl; /* XXX */
ip->ip_tos = sc->sc_tp->t_inpcb->inp_ip_tos; /* XXX */
/*
* See if we should do MTU discovery. We do it only if the following
* are true:
* 1) we have a valid route to the destination
* 2) the MTU is not locked (if it is, then discovery has been
* disabled)
*/
if (path_mtu_discovery
&& (rt != NULL)
&& rt->rt_flags & RTF_UP
&& !(rt->rt_rmx.rmx_locks & RTV_MTU)) {
ip->ip_off |= IP_DF;
}
th->th_sport = sc->sc_inc.inc_lport;
th->th_dport = sc->sc_inc.inc_fport;

1
sys/netinet/tcp_var.h
View File

@ -432,7 +432,6 @@ extern struct tcpstat tcpstat; /* tcp statistics */
extern int tcp_mssdflt; /* XXX */
extern int tcp_delack_enabled;
extern int tcp_do_newreno;
extern int path_mtu_discovery;
extern int ss_fltsz;
extern int ss_fltsz_local;