> It seem eh->h_proto should be the same as skb->protocol, right? So why not
> add these case statements to the switch below?
Thought so, as well. But it seems that skb->protocol is not properly set when the packet originates from a packet socket.
And in our case we cannot set it to a fixed etherType in the bind() call since we use three different etherTypes on the same socket.
Cheers,
Mathias
> Regards,
> Arend
>
> > + case htons(ETH_P_MPLS_UC):
> > + case htons(ETH_P_MPLS_MC):
> > + /* MPLS */
> > + mpls = skb_header_pointer(skb, sizeof(*eh),
> > + sizeof(*mpls),&mpls_tmp);
> > + if (!mpls)
> > + break;
> > +
> > + return (ntohl(mpls->entry)& MPLS_LS_TC_MASK)
> > + >> MPLS_LS_TC_SHIFT;
> > + case htons(ETH_P_80221):
> > + /* 802.21 is always network control traffic */
> > + return 7;
> > + default:
> > + break;
> > + }
> > + }
> > +
> > switch (skb->protocol) {
> > case htons(ETH_P_IP):
> > dscp = ipv4_get_dsfield(ip_hdr(skb))& 0xfc;
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