xsk: Add getsockopt XDP_OPTIONS

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Make it possible for the application to determine whether the AF_XDP
socket is running in zero-copy mode. To achieve this, add a new
getsockopt option XDP_OPTIONS that returns flags. The only flag
supported for now is the zero-copy mode indicator.

Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Acked-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

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Maxim Mikityanskiy 2019-06-26 17:35:25 +03:00 • committed by Daniel Borkmann

parent d57d76428a

commit 2640d3c812

3 changed files with 36 additions and 0 deletions

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include/uapi/linux/if_xdp.h

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