Hello 文剑, On 08/11/2011 06:04 PM, 文剑 wrote: > As mentioned in packet(7), "Only the sll_protocol and the sll_ifindex > address fields are used for purposes of binding." > But in my test, sll_family is also used for binding a packet socket to an > interface. I'm catching up with some very old mail. I've applied your patch (for a problem that Cortland also reported). Thank you for sending it, and sorry that it sat on the floor for so long. Cheers, Michael > My enviroment: 2.6.38-10-generic Ubuntu-11.04 i686 > > Against man-pages 3.33. > > Signed-off-by: Jian Wen > > --- > man7/packet.7 | 18 ++++++++---------- > 1 files changed, 8 insertions(+), 10 deletions(-) > > diff --git a/man7/packet.7 b/man7/packet.7 > index 5e35ae2..3de2550 100644 > --- a/man7/packet.7 > +++ b/man7/packet.7 > @@ -84,11 +84,14 @@ To only get packets from a specific interface use > specifying an address in a > .I struct sockaddr_ll > to bind the packet socket to an interface. > -Only the > -.I sll_protocol > -and the > -.I sll_ifindex > -address fields are used for purposes of binding. > +Fields used for binding are > +.IR sll_family (should > +be > +.BR AF_PACKET ), > +.IR sll_protocol , > +and > +.IR sll_ifindex . > + > > The > .BR connect (2) > @@ -166,11 +169,6 @@ The other fields should be 0. > and > .I sll_pkttype > are set on received packets for your information. > -For bind only > -.I sll_protocol > -and > -.I sll_ifindex > -are used. > .SS Socket Options > Packet sockets can be used to configure physical layer multicasting > and promiscuous mode. > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html