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Make comments more clear. Change the order of one if() statement to check the

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more likely variable first.
This commit is contained in:
andre 2004-10-19 14:31:56 +00:00
parent 41dc9ace75
commit dcb4801af4
1 changed files with 8 additions and 3 deletions
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11
sys/netinet/ip_fastfwd.c
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@ -241,6 +241,10 @@ ip_fastforward(struct mbuf *m)
ipstat.ips_badsum++;
goto drop;
}
/*
* Remeber that we have checked the IP header and found it valid.
*/
m->m_pkthdr.csum_flags |= (CSUM_IP_CHECKED | CSUM_IP_VALID);
ip_len = ntohs(ip->ip_len);
@ -408,8 +412,9 @@ ip_fastforward(struct mbuf *m)
}
/*
* Decrement the TTL and incrementally change the checksum.
* Don't bother doing this with hw checksum offloading.
* Decrement the TTL and incrementally change the IP header checksum.
* Don't bother doing this with hw checksum offloading, it's faster
* doing it right here.
*/
ip->ip_ttl -= IPTTLDEC;
if (ip->ip_sum >= (u_int16_t) ~htons(IPTTLDEC << 8))
@ -462,7 +467,7 @@ ip_fastforward(struct mbuf *m)
#ifndef IPFIREWALL_FORWARD
if (in_localip(dest)) {
#else
if (in_localip(dest) || m->m_flags & M_FASTFWD_OURS) {
if (m->m_flags & M_FASTFWD_OURS || in_localip(dest)) {
#endif /* IPFIREWALL_FORWARD */
forwardlocal:
/*