Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 7ec06da8 authored by Daniel Borkmann's avatar Daniel Borkmann Committed by David S. Miller
Browse files

net: packet: document available fanout policies 



Update documentation to add fanout policies that are available.

Signed-off-by: default avatarDaniel Borkmann <dborkman@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f55d112e

Documentation/networking/packet_mmap.txt

+8 −0
Original line number Diff line number Diff line
@@ -543,6 +543,14 @@ TPACKET_V2 --> TPACKET_V3: 
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.



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",

"./test eth0 lb", etc.):