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xsk: Expose min chunk size to drivers
authorMaxim Mikityanskiy <maximmi@nvidia.com>
Thu, 29 Sep 2022 07:21:41 +0000 (00:21 -0700)
committerJakub Kicinski <kuba@kernel.org>
Fri, 30 Sep 2022 14:55:45 +0000 (07:55 -0700)
commit9ca66afe73da16cd2c529e6770cc5aea0c4454df
tree91007d60eee481373f974cb7f9c615eb495ceeaa
parent0f5ef005310d4820926c76bc1e94d4d2a0e49d97
xsk: Expose min chunk size to drivers

Drivers should be aware of the range of valid UMEM chunk sizes to be
able to allocate their internal structures of an appropriate size. It
will be used by mlx5e in the following patches.

Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
CC: "Björn Töpel" <bjorn@kernel.org>
CC: Magnus Karlsson <magnus.karlsson@intel.com>
CC: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
include/net/xdp_sock_drv.h
net/xdp/xdp_umem.c