Wrong outgoing interface with multiple routing tables
Julian Elischer
julian at elischer.org
Mon Jul 27 23:24:48 UTC 2009
Julian Elischer wrote:
> Oleg Sharoyko wrote:
>>
>> Julian Elischer wrote:
>>
>>> great.. in your simple server, can you do the sockopt on the socket
>>> AFTER you did the listen()?
>>> (just as a test).
>>
>> Doesn't help. I have also tried to add setsockopt() after accept()
>> (for a new socket) and in this case the only packet that is being sent
>> out via wrong interface is the SYN+ACK from server.
>>
>> I'll try to look into the kernel code tomorrow and will report any
>> findings.
>>
>> --
>> Oleg
>
>
> in addition to the patches already sent you might like to add the
> following line to netinet/tcp_input.c
>
> }
> inc.inc_fport = th->th_sport;
> inc.inc_lport = th->th_dport;
> inc.inc_fibnum = so->so_fibnum; <-------------
> /*
> * Check for an existing connection attempt in syncache if
> * the flag is only ACK. A successful lookup creates a new
> * socket appended to the listen queue in SYN_RECEIVED
> state.
> */
in fact you might try just this on its own
> _______________________________________________
> freebsd-net at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-net
> To unsubscribe, send any mail to "freebsd-net-unsubscribe at freebsd.org"
More information about the freebsd-net
mailing list