svn commit: r272326 - head/sys/netinet
Adrian Chadd
adrian at freebsd.org
Tue Sep 30 20:47:37 UTC 2014
Hi,
I think you should consider adding a new set of protocol counters for
UDPLITE. :)
-a
On 30 September 2014 13:29, Michael Tuexen <tuexen at freebsd.org> wrote:
> Author: tuexen
> Date: Tue Sep 30 20:29:58 2014
> New Revision: 272326
> URL: http://svnweb.freebsd.org/changeset/base/272326
>
> Log:
> UDPLite requires a checksum. Therefore, discard a received packet if
> the checksum is 0.
>
> MFC after: 3 days
>
> Modified:
> head/sys/netinet/udp_usrreq.c
>
> Modified: head/sys/netinet/udp_usrreq.c
> ==============================================================================
> --- head/sys/netinet/udp_usrreq.c Tue Sep 30 20:18:10 2014 (r272325)
> +++ head/sys/netinet/udp_usrreq.c Tue Sep 30 20:29:58 2014 (r272326)
> @@ -498,8 +498,16 @@ udp_input(struct mbuf **mp, int *offp, i
> m_freem(m);
> return (IPPROTO_DONE);
> }
> - } else
> - UDPSTAT_INC(udps_nosum);
> + } else {
> + if (proto == IPPROTO_UDP) {
> + UDPSTAT_INC(udps_nosum);
> + } else {
> + /* UDPLite requires a checksum */
> + /* XXX: What is the right UDPLite MIB counter here? */
> + m_freem(m);
> + return (IPPROTO_DONE);
> + }
> + }
>
> pcbinfo = get_inpcbinfo(proto);
> if (IN_MULTICAST(ntohl(ip->ip_dst.s_addr)) ||
>
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