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| /freebsd-11-stable/sys/netinet/ | ||
| H A D | ip_fastfwd.c | diff 128872 Mon May 03 11:52:47 MDT 2004 andre Optimize IP fastforwarding some more: o New function ip_findroute() to reduce code duplication for the route lookup cases. (luigi) o Store ip_len in host byte order on the stack instead of using it via indirection from the mbuf. This allows to defer the host byte conversion to a later point and makes a quicker fallback to normal ip_input() processing. (luigi) o Check if route is dampned with RTF_REJECT flag and drop packet already here when ARP is unable to resolve destination address. An ICMP unreachable is sent to inform the sender. o Check if interface output queue is full and drop packet already here. No ICMP notification is sent because signalling source quench is depreciated. o Check if media_state is down (used for ethernet type interfaces) and drop the packet already here. An ICMP unreachable is sent to inform the sender. o Do not account sent packets to the interface address counters. They are only for packets with that 'ia' as source address. o Update and clarify some comments. Submitted by: luigi (most of it) |
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