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Andi Kleen wrote:
> On Sat, Apr 08, 2000 at 12:32:35PM -0700, Ben Greear wrote:
> > One thing that bothers me a little bit. I have 2 4-port NICs and a
> > single... The single is the one I'm trying to send messages over.
> > No matter which slot I put it in (there are only 3 PCI slots in the
MB),
> > that interface shows up as eth8. Is that normal? I thought they
probed
> > based on PCI slots, so that changing the slot would change the
ifname it
> > showed up on...
>
> It depends on the driver.
>
> >
> > One final question.. If I create the socket like:
> > int s = socket(PF_PACKET, SOCK_RAW, htons(ether_type));
> >
> > bind like this:
> > struct sockaddr_ll myaddr;
> >
> > memset(&myaddr, '\0', sizeof(myaddr));
> > myaddr.sll_family = AF_PACKET;
> > myaddr.sll_protocol = htons(ether_type);
> > myaddr.sll_ifindex = dev_idx;
> >
> > r = bind(s, (struct sockaddr*)(&myaddr), sizeof(myaddr));
> >
> > and send like this:
> > r = sendto(dev_socket, msg, msg_len, 0, NULL, 0);
> >
> > Should I expect to see this method in af_packet.cc called?
> > static int packet_sendmsg(struct socket *sock, struct msghdr *msg,
int len,
> > struct scm_cookie *scm)
>
> Yes.
>
> >
> > I was expecting to see packet_sendmsg_spkt, but it is using the one
above...
>
> This one is called for (PF_INET, SOCK_PACKET) sockets
>
>
> -Andi
> -
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