d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
more likely variable first.
This commit is contained in:
Andre Oppermann 2004-10-19 14:31:56 +00:00
parent f45cd79a03
commit de1c2ac4bf
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
sys/netinet/ip_fastfwd.c
View File

@ -241,6 +241,10 @@ ip_fastforward(struct mbuf *m)
ipstat.ips_badsum++; ipstat.ips_badsum++;
goto drop; 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); m->m_pkthdr.csum_flags |= (CSUM_IP_CHECKED | CSUM_IP_VALID);
ip_len = ntohs(ip->ip_len); ip_len = ntohs(ip->ip_len);
@ -408,8 +412,9 @@ passin:
} }
/* /*
* Decrement the TTL and incrementally change the checksum. * Decrement the TTL and incrementally change the IP header checksum.
* Don't bother doing this with hw checksum offloading. * Don't bother doing this with hw checksum offloading, it's faster
* doing it right here.
*/ */
ip->ip_ttl -= IPTTLDEC; ip->ip_ttl -= IPTTLDEC;
if (ip->ip_sum >= (u_int16_t) ~htons(IPTTLDEC << 8)) if (ip->ip_sum >= (u_int16_t) ~htons(IPTTLDEC << 8))
@ -462,7 +467,7 @@ passin:
#ifndef IPFIREWALL_FORWARD #ifndef IPFIREWALL_FORWARD
if (in_localip(dest)) { if (in_localip(dest)) {
#else #else
if (in_localip(dest) || m->m_flags & M_FASTFWD_OURS) { if (m->m_flags & M_FASTFWD_OURS || in_localip(dest)) {
#endif /* IPFIREWALL_FORWARD */ #endif /* IPFIREWALL_FORWARD */
forwardlocal: forwardlocal:
/* /*