netdev - Re: [PATCH iproute2] ss: Show more info (ring,fanout) for packet socks

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Date:	Thu, 14 May 2015 14:09:00 +0300
From:	Vadim Kochan <vadim4j@...il.com>
To:	Willem de Bruijn <willemb@...gle.com>
Cc:	Vadim Kochan <vadim4j@...il.com>,
	Network Development <netdev@...r.kernel.org>
Subject: Re: [PATCH iproute2] ss: Show more info (ring,fanout) for packet
 socks

On Wed, May 13, 2015 at 05:10:38PM -0400, Willem de Bruijn wrote:
> > +               }
> > +               if (has_fanout) {
> > +                       uint16_t type = (fanout >> 16) & 0xffff;
> 
> type can be modified by flags in the upper 8 bits. Better
> mask those out and report them separately.
Kernel puts only id & type in diag message, flags are stored in separated
member of 'struct packet_sock'.

> 
> > +
> > +                       printf("\n\tfanout(");
> > +                       printf("id:%d,", fanout & 0xff);
> > +                       printf("type:0x%x", type);
> > +                       if (type == 0)
> > +                               printf("(hash)");
> > +                       else if (type == 1)
> > +                               printf("(lb)");
> > +                       else if (type == 2)
> > +                               printf("(cpu)");
> > +                       else if (type == 3)
> > +                               printf("(rollover)");
> > +                       else if (type == 4)
> > +                               printf("(random)");
> > +                       else if (type == 5)
> > +                               printf("(qm)");
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