Date: Tue, 30 Sep 2014 20:29:59 +0000 (UTC) From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r272326 - head/sys/netinet Message-ID: <201409302029.s8UKTx0e098653@svn.freebsd.org>
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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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