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authorEric Dumazet <dada1@cosmosbay.com>2007-04-30 00:26:00 -0700
committerDavid S. Miller <davem@davemloft.net>2007-04-30 00:26:00 -0700
commit6aaf47fa48d3c44280810b1b470261d340e4ed87 (patch)
treeee59c6bd3ee482ef85a7b65f057beff4f4598b9b /include/net
parent65def812ab25d7565756e5748d91e22e302197ee (diff)
[PATCH] INET : IPV4 UDP lookups converted to a 2 pass algo
Some people want to have many UDP sockets, binded to a single port but many different addresses. We currently hash all those sockets into a single chain. Processing of incoming packets is very expensive, because the whole chain must be examined to find the best match. I chose in this patch to hash UDP sockets with a hash function that take into account both their port number and address : This has a drawback because we need two lookups : one with a given address, one with a wildcard (null) address. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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