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Put the offset of the CRC32C in csum_data instead of 0.

Browse Source 
The virtio driver needs the offset to be stored in csum_data,
like in the case for UDP and TCP.

The virtio problem was reported by
Niu Zhixiong <kaiaixi@gmail.com>, who helped in debugging
and testing the patch.

MFC after: 3 days
This commit is contained in:
Michael Tuexen 2014-03-12 17:18:15 +00:00
parent 7253a5ec63
commit 3d31c75401
1 changed files with 4 additions and 4 deletions
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8
sys/netinet/sctp_output.c
View File

@ -4108,7 +4108,7 @@ sctp_lowlevel_chunk_output(struct sctp_inpcb *inp,
SCTP_STAT_INCR(sctps_sendnocrc);
#else
m->m_pkthdr.csum_flags = CSUM_SCTP;
m->m_pkthdr.csum_data = 0;
m->m_pkthdr.csum_data = offsetof(struct sctphdr, checksum);
SCTP_STAT_INCR(sctps_sendhwcrc);
#endif
}
@ -4457,7 +4457,7 @@ sctp_lowlevel_chunk_output(struct sctp_inpcb *inp,
SCTP_STAT_INCR(sctps_sendnocrc);
#else
m->m_pkthdr.csum_flags = CSUM_SCTP_IPV6;
m->m_pkthdr.csum_data = 0;
m->m_pkthdr.csum_data = offsetof(struct sctphdr, checksum);
SCTP_STAT_INCR(sctps_sendhwcrc);
#endif
}
@ -11007,7 +11007,7 @@ sctp_send_resp_msg(struct sockaddr *src, struct sockaddr *dst,
SCTP_STAT_INCR(sctps_sendnocrc);
#else
mout->m_pkthdr.csum_flags = CSUM_SCTP;
mout->m_pkthdr.csum_data = 0;
mout->m_pkthdr.csum_data = offsetof(struct sctphdr, checksum);
SCTP_STAT_INCR(sctps_sendhwcrc);
#endif
}
@ -11037,7 +11037,7 @@ sctp_send_resp_msg(struct sockaddr *src, struct sockaddr *dst,
SCTP_STAT_INCR(sctps_sendnocrc);
#else
mout->m_pkthdr.csum_flags = CSUM_SCTP_IPV6;
mout->m_pkthdr.csum_data = 0;
mout->m_pkthdr.csum_data = offsetof(struct sctphdr, checksum);
SCTP_STAT_INCR(sctps_sendhwcrc);
#endif
}