On Sat, Oct 22, 2011 at 20:14 +0200, Maxim Bourmistrov wrote:
>
> On both sides I use em(4) with MTU 9000.
> Then tried to set the same value to the pfsync with success (ifconfig pfsync0
> mtu 9000), but the actual value I see is 2048.
>
ugh. i thought you've fixed up the source code.
i'm curious if it'll still work with a smaller mtu on the physical
interface :-)
Index: net/if_pfsync.c
===================================================================
RCS file: /cvs/src/sys/net/if_pfsync.c,v
retrieving revision 1.169
diff -u -p -r1.169 if_pfsync.c
--- net/if_pfsync.c 20 Oct 2011 08:57:26 -0000 1.169
+++ net/if_pfsync.c 22 Oct 2011 18:17:44 -0000
@@ -1294,8 +1294,8 @@ pfsyncioctl(struct ifnet *ifp, u_long cm
s = splnet();
if (ifr->ifr_mtu <= PFSYNC_MINPKT)
return (EINVAL);
- if (ifr->ifr_mtu > MCLBYTES) /* XXX could be bigger */
- ifr->ifr_mtu = MCLBYTES;
+ if (ifr->ifr_mtu > 65536)
+ ifr->ifr_mtu = 65536;
if (ifr->ifr_mtu < ifp->if_mtu)
pfsync_sendout();
ifp->if_mtu = ifr->ifr_mtu;
