Author: gallatin Date: Thu Feb 28 16:32:36 2013 New Revision: 247470 URL: http://svnweb.freebsd.org/changeset/base/247470
Log: MFC r247104: Fix tcp_lro_rx_ipv4() for drivers that do not set CSUM_IP_CHECKED. Specifcially, in_cksum_hdr() returns 0 (not 0xffff) when the IPv4 checksum is correct. Without this fix, the tcp_lro code will reject good IPv4 traffic from drivers that do not implement IPv4 header harder csum offload. Modified: stable/9/sys/netinet/tcp_lro.c Directory Properties: stable/9/sys/ (props changed) Modified: stable/9/sys/netinet/tcp_lro.c ============================================================================== --- stable/9/sys/netinet/tcp_lro.c Thu Feb 28 16:32:25 2013 (r247469) +++ stable/9/sys/netinet/tcp_lro.c Thu Feb 28 16:32:36 2013 (r247470) @@ -333,7 +333,7 @@ tcp_lro_rx_ipv4(struct lro_ctrl *lc, str } } else { csum = in_cksum_hdr(ip4); - if (__predict_false((csum ^ 0xffff) != 0)) { + if (__predict_false((csum) != 0)) { lc->lro_bad_csum++; return (TCP_LRO_CANNOT); } _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"