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packet: Add 'cpu' fanout policy.

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Unfortunately we have to use a real modulus here as
the multiply trick won't work as effectively with cpu
numbers as it does with rxhash values.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2011-07-06 01:56:38 -07:00
commit 95ec3eb417
2 changed files with 29 additions and 37 deletions
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include/linux/if_packet.h
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@ -53,6 +53,7 @@ struct sockaddr_ll {
#define PACKET_FANOUT_HASH 0
#define PACKET_FANOUT_LB 1
#define PACKET_FANOUT_CPU 2
#define PACKET_FANOUT_FLAG_DEFRAG 0x8000
struct tpacket_stats {