Now icmp_reply is only called by icmp_echo and icmp_timestamp
ip_send_reply is only called by tcp_v4_send_reset and tcp_v4_send_ack
I think in all situations the ip_hdr(skb)->saddr is set and should
be the destination of reply packets.
If using rt->rt_src as destination is correct in some situati
I'm not sure why it's using rt_src here, but there are relevant cases that
your description doesn't cover. For example, what happens if the source
is not set in the original packet? Does NAT affect this?
You quote RFC text for ICMP echo and the case where the receiving machine
is the final desti
Hi,
This is a resend of this patch with more details. I'd
like it can be accepted this time.
The problem: In icmp_reply and ip_send_reply function,
we now use rt->rt_src as destination to send out packets.
For packets received in loopback device, this is wrong
sometimes.
Here is an
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