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6 Commits

Author SHA1 Message Date
sommerfe a90d5cd12e Truncate mbufs to the correct length before forwarding; fixes pr5560 1998-06-10 00:47:57 +00:00
thorpej edc01ec330 In addition to the IP flow hash table, put the flows on a list. The table 
is used for fast lookup, the list for traversal of all flows.  Also, use
PRT timers.
 1998-06-02 15:48:03 +00:00
matt 1b2b1d801b Fix two bugs. 1998-05-18 17:08:56 +00:00
matt 36eac04cc0 Default IP flow to being enabled. Add a sysctl to control the maximum 
number of flows (net.inet.ip.maxflows).  If set to 0, will disable fast
path forwarding.
 1998-05-04 19:24:53 +00:00
thorpej 447384d6b8 - kern/5380 (Dennis Ferguson): fix incremental IP header checksum. 
- kern/5381 (Dennis Ferguson): check IP header checksum in fast forward
  code.
- In ipflow_slowtimo(), if no IP flows are in use, don't bother checking
  all of the hash buckets.
 1998-05-04 05:46:04 +00:00
matt d4d709f7d0 Add support for "fast" forwarding. Add hooks in if_ethersubr.c and 
if_fddisubr.c to fastpath IP forwarding.  If ip_forward successfully
forwards a packet, it will create a cache (ipflow) entry.  ether_input
and fddi_input will first call ipflow_fastforward with the received
packet and if the packet passes enough tests, it will be forwarded (the
ttl is decremented and the cksum is adjusted incrementally).
 1998-04-29 21:37:52 +00:00