diff options
| author | Niels Provos <provos@cvs.openbsd.org> | 2000-09-18 22:06:39 +0000 |
|---|---|---|
| committer | Niels Provos <provos@cvs.openbsd.org> | 2000-09-18 22:06:39 +0000 |
| commit | 90175ecf691a7934faa9072f3a1ed18f4e91deb3 (patch) | |
| tree | 68bd50ddf0e438117ac0a4f0bb898d7075a341c3 /sys/netinet/ip_var.h | |
| parent | c396a799db246d91ccfc784bce1f77a21e417f2a (diff) | |
Path MTU discovery based on NetBSD but with the decision to use the DF
flag delayed to ip_output(). That halves the code and reduces most of
the route lookups. okay deraadt@
Diffstat (limited to 'sys/netinet/ip_var.h')
| -rw-r--r-- | sys/netinet/ip_var.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/netinet/ip_var.h b/sys/netinet/ip_var.h index 023b0e2f76e..cb39663c35d 100644 --- a/sys/netinet/ip_var.h +++ b/sys/netinet/ip_var.h @@ -1,4 +1,4 @@ -/* $OpenBSD: ip_var.h,v 1.13 2000/01/02 09:00:19 angelos Exp $ */ +/* $OpenBSD: ip_var.h,v 1.14 2000/09/18 22:06:38 provos Exp $ */ /* $NetBSD: ip_var.h,v 1.16 1996/02/13 23:43:20 christos Exp $ */ /* @@ -154,12 +154,17 @@ struct ipstat { #define IP_RAWOUTPUT 0x2 /* raw ip header exists */ #define IP_ROUTETOIF SO_DONTROUTE /* bypass routing tables */ #define IP_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */ +#define IP_MTUDISC 0x0400 /* pmtu discovery, set DF */ #define IP_ENCAPSULATED 0x0800 /* encapsulated already */ struct ipstat ipstat; LIST_HEAD(ipqhead, ipq) ipq; /* ip reass. queue */ int ip_defttl; /* default IP ttl */ +int ip_mtudisc; /* mtu discovery */ +u_int ip_mtudisc_timeout; /* seconds to timeout mtu discovery */ +struct rttimer_queue *ip_mtudisc_timeout_q; + int ip_ctloutput __P((int, struct socket *, int, int, struct mbuf **)); int ip_dooptions __P((struct mbuf *)); void ip_drain __P((void)); |