cvs commit: src/sys/netinet tcp_subr.c
Bruce M Simpson
bms at spc.org
Wed May 4 07:32:42 PDT 2005
On Wed, May 04, 2005 at 01:48:44PM +0000, Andre Oppermann wrote:
> If we don't get a suggested MTU during path MTU discovery
> look up the packet size of the packet that generated the
> response, step down the MTU by one step through ip_next_mtu()
> and try again.
Yay! Now I really need to sit down and sort out the gre(4) PMTU story.
Of course a more generic way of doing this might be good, e.g. a generic
PMTU callback for each protocol which needs to exchange this information
with the IP/ICMP layer.
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