Date: Mon, 19 Apr 2010 15:15:36 +0000 (UTC) From: "Kenneth D. Merry" <ken@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r206844 - head/sys/netinet Message-ID: <201004191515.o3JFFapS037276@svn.freebsd.org>
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Author: ken Date: Mon Apr 19 15:15:36 2010 New Revision: 206844 URL: http://svn.freebsd.org/changeset/base/206844 Log: Don't clear other flags (e.g. CSUM_TCP) when setting CSUM_TSO. This was causing TSO to break for the Xen netfront driver. Reviewed by: gibbs, rwatson MFC after: 7 days Modified: head/sys/netinet/tcp_output.c Modified: head/sys/netinet/tcp_output.c ============================================================================== --- head/sys/netinet/tcp_output.c Mon Apr 19 15:11:45 2010 (r206843) +++ head/sys/netinet/tcp_output.c Mon Apr 19 15:15:36 2010 (r206844) @@ -1048,7 +1048,7 @@ send: * XXX: Fixme: This is currently not the case for IPv6. */ if (tso) { - m->m_pkthdr.csum_flags = CSUM_TSO; + m->m_pkthdr.csum_flags |= CSUM_TSO; m->m_pkthdr.tso_segsz = tp->t_maxopd - optlen; }
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