veth: Implement ethtool's get_channels() callback

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Libbpf's xsk part calls get_channels() API to retrieve the queue count
of the underlying driver so that XSKMAP is sized accordingly.

Implement that in veth so multi queue scenarios can work properly.

Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20210329224316.17793-14-maciej.fijalkowski@intel.com

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Maciej Fijalkowski 2021-03-30 00:43:12 +02:00 • committed by Alexei Starovoitov

parent 0464b1ed07

commit 34829eec3b

1 changed files with 12 additions and 0 deletions

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drivers/net/veth.c

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