aboutsummaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
authorBen Greear <greearb@candelatech.com>2008-11-16 19:19:38 -0800
committerDavid S. Miller <davem@davemloft.net>2008-11-16 19:19:38 -0800
commit8164f1b79731ad8ad9c713dc53d587a3b746f82f (patch)
treed9e9cf462fccbfbc217b064dcf41789033faf7e9 /include
parent6ea7ae1d0fc02a6c4ccd27e43346f67c44226e7a (diff)
ipv4: Fix ARP behavior with many mac-vlans
Ben Greear wrote: > I have 500 mac-vlans on a system talking to 500 other > mac-vlans. My problem is that the arp-table gets extremely > huge because every time an arp-request comes in on all mac-vlans, > a stale arp entry is added for each mac-vlan. I have filtering > turned on, but that doesn't help because the neigh_event_ns call > below will cause a stale neighbor entry to be created regardless > of whether a replay will be sent or not. > Maybe the neigh_event code should be below the checks for dont_send, > and only create check neigh_event_ns if we are !dont_send? The attached patch makes it work much better for me. The patch will cause the code to NOT create a stale neighbor entry if we are not going to respond to the ARP request. The old code *would* create a stale entry even if we are not going to respond. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions