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Code Issues Releases Activity

Simplify sctp_delayed_cksum() a bit.

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MFC after: 3 days.
This commit is contained in:
Michael Tuexen 2010-11-14 14:37:20 +00:00
parent 78102c2f8b
commit cafa98a989
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=215301
1 changed files with 2 additions and 4 deletions
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6
sys/netinet/sctp_crc32.c
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@ -124,18 +124,16 @@ sctp_delayed_cksum(struct mbuf *m, uint32_t offset)
#if defined(SCTP_WITH_NO_CSUM)
panic("sctp_delayed_cksum() called when using no SCTP CRC.");
#else
struct ip *ip;
uint32_t checksum;
ip = mtod(m, struct ip *);
checksum = sctp_calculate_cksum(m, offset);
SCTP_STAT_DECR(sctps_sendhwcrc);
SCTP_STAT_INCR(sctps_sendswcrc);
offset += offsetof(struct sctphdr, checksum);
if (offset + sizeof(uint32_t) > (uint32_t) (m->m_len)) {
printf("delayed m_pullup, m->len: %d off: %d p: %d\n",
(uint32_t) m->m_len, offset, ip->ip_p);
printf("sctp_delayed_cksum(): m->len: %d, off: %d.\n",
(uint32_t) m->m_len, offset);
/*
* XXX this shouldn't happen, but if it does, the correct
* behavior may be to insert the checksum in the appropriate