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net: packet: document available fanout policies

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Update documentation to add fanout policies that are available.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Borkmann 2013-08-28 22:13:11 +02:00 committed by David S. Miller
parent f55d112e52
commit 7ec06da81d
1 changed files with 8 additions and 0 deletions
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8
Documentation/networking/packet_mmap.txt
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@ -543,6 +543,14 @@ TPACKET_V2 --> TPACKET_V3:
In the AF_PACKET fanout mode, packet reception can be load balanced among In the AF_PACKET fanout mode, packet reception can be load balanced among
processes. This also works in combination with mmap(2) on packet sockets. processes. This also works in combination with mmap(2) on packet sockets.
Currently implemented fanout policies are:
- PACKET_FANOUT_HASH: schedule to socket by skb's rxhash
- PACKET_FANOUT_LB: schedule to socket by round-robin
- PACKET_FANOUT_CPU: schedule to socket by CPU packet arrives on
- PACKET_FANOUT_RND: schedule to socket by random selection
- PACKET_FANOUT_ROLLOVER: if one socket is full, rollover to another
Minimal example code by David S. Miller (try things like "./test eth0 hash", Minimal example code by David S. Miller (try things like "./test eth0 hash",
"./test eth0 lb", etc.): "./test eth0 lb", etc.):