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| author | Ed Maste <emaste@FreeBSD.org> | 2017-12-05 22:02:46 +0000 |
|---|---|---|
| committer | Ed Maste <emaste@FreeBSD.org> | 2017-12-05 22:02:46 +0000 |
| commit | 7fe94db2655f9f1590c6574734edab11a6918633 (patch) | |
| tree | 255e177ceff83c69e2b8e2d256b5d5259ed73de7 /sys | |
| parent | 3670d4c79af6f7c244cda7eca9af168133a23626 (diff) | |
| download | src-7fe94db2655f9f1590c6574734edab11a6918633.tar.gz src-7fe94db2655f9f1590c6574734edab11a6918633.zip | |
vnic: apply hardware L3 checksum only for IPv4
Previously we set the csum_l3 flag for IPv4 and IPv6, but only IPv4
should have header checksumming applied.
Prompted by Linux commit fa6d7cb5d76cf0467c61420fc9238045aedfd379.
Reviewed by: bz
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D13366
Notes
Notes:
svn path=/head/; revision=326597
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/vnic/nicvf_queues.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/sys/dev/vnic/nicvf_queues.c b/sys/dev/vnic/nicvf_queues.c index 51d043a74145..7a1dda8f3570 100644 --- a/sys/dev/vnic/nicvf_queues.c +++ b/sys/dev/vnic/nicvf_queues.c @@ -1802,6 +1802,8 @@ nicvf_sq_add_hdr_subdesc(struct snd_queue *sq, int qentry, if (mbuf == NULL) return (ENOBUFS); } + if (mbuf->m_pkthdr.csum_flags & CSUM_IP) + hdr->csum_l3 = 1; /* Enable IP csum calculation */ ip = (struct ip *)(mbuf->m_data + ehdrlen); iphlen = ip->ip_hl << 2; @@ -1809,13 +1811,10 @@ nicvf_sq_add_hdr_subdesc(struct snd_queue *sq, int qentry, proto = ip->ip_p; break; #endif - default: - hdr->csum_l3 = 0; } #if defined(INET6) || defined(INET) if (poff > 0 && mbuf->m_pkthdr.csum_flags != 0) { - hdr->csum_l3 = 1; /* Enable IP csum calculation */ switch (proto) { case IPPROTO_TCP: if ((mbuf->m_pkthdr.csum_flags & CSUM_TCP) == 0) |