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Correct a cast to make it compile on 64bit platforms (noticed by tinderbox)

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and remove two unneccessary variable initializations.
Make the introduction comment more clear with regard which parts of
the packet are touched.

Requested by:	luigi
This commit is contained in:
Andre Oppermann 2003-11-15 17:03:37 +00:00
parent 89624a3490
commit df903fee84
1 changed files with 6 additions and 6 deletions
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12
sys/netinet/ip_fastfwd.c
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@ -36,8 +36,10 @@
* driver calls ip_fastforward, we do our routing table lookup and directly
* send it off to the outgoing interface which DMAs the packet to the
* network card. The only part of the packet we touch with the CPU is the
* IP header. We are essentially limited by bus bandwidth and how fast the
* network card/driver can set up receives and transmits.
* IP header (unless there are complex firewall rules touching other parts
* of the packet, but that is up to you). We are essentially limited by bus
* bandwidth and how fast the network card/driver can set up receives and
* transmits.
*
* We handle basic errors, ip header errors, checksum errors,
* destination unreachable, fragmentation and fragmentation needed and
@ -344,7 +346,6 @@ ip_fastforward(struct mbuf *m)
if (fw_enable && IPFW_LOADED) {
bzero(&args, sizeof(args));
args.m = m;
ipfw = 0;
ipfw = ip_fw_chk_ptr(&args);
m = args.m;
@ -528,10 +529,9 @@ ip_fastforward(struct mbuf *m)
dest = ip->ip_dst.s_addr;
#endif
if (fw_enable && IPFW_LOADED && !args.next_hop) {
bzero(&args, sizeof(args));
bzero(&args, sizeof(args));
args.m = m;
args.oif = ifp;
ipfw = 0;
ipfw = ip_fw_chk_ptr(&args);
m = args.m;
@ -567,7 +567,7 @@ ip_fastforward(struct mbuf *m)
goto drop;
}
tag->m_flags = PACKET_TAG_DIVERT;
tag->m_data = (caddr_t)(u_int32_t)args.divert_rule;
tag->m_data = (caddr_t)(u_long)args.divert_rule;
tag->m_next = m;
/* XXX: really bloody hack, see ip_input */
tag->m_nextpkt = (struct mbuf *)1;