Re: [PATCH v3] net: ip, diag -- Add diag interface for raw sockets

From: Cyrill Gorcunov
Date: Fri Sep 16 2016 - 15:39:39 EST


On Fri, Sep 16, 2016 at 01:30:28PM -0600, David Ahern wrote:
> > [root@pcs7 iproute2]# misc/ss -A raw
> > State Recv-Q Send-Q Local Address:Port Peer Address:Port
> > ESTAB 0 0 127.0.0.1:ipproto-255 127.0.0.10:ipproto-9090
> > UNCONN 0 0 127.0.0.10:ipproto-255 *:*
> > UNCONN 0 0 :::ipv6-icmp :::*
> > UNCONN 0 0 :::ipv6-icmp :::*
> > ESTAB 0 0 ::1:ipproto-255 ::1:ipproto-9091
> >
> > so it get zapped out. Is there some other way to test it?
> >
>
> I'm guessing you passed IPPROTO_RAW (255) as the protocol to socket(). If you pass something
> else (IPPROTO_ICMP for example) it won't work.

True. To support IPPROTO_ICMP it need enhancement. I thought start with
plain _RAW first and then extend to support _ICMP.

Cyrill