ipv6: speedup inet6_dump_addr()

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When handling large number of netdevices, inet6_dump_addr()
is very slow because it has O(N^2) complexity.

Instead of scanning one single list, we can use the NETDEV_HASHENTRIES
sub lists of the dev_index hash table, and RCU lookups.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2009-11-12 04:11:50 +00:00 • committed by David S. Miller

parent 5256f2ef3a

commit 234b27c3fd

1 changed files with 97 additions and 74 deletions

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179

net/ipv6/addrconf.c

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