diff options
| author | Maxim Mikityanskiy <maximmi@nvidia.com> | 2022-09-29 10:21:41 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-09-30 17:55:45 +0300 |
| commit | 9ca66afe73da16cd2c529e6770cc5aea0c4454df (patch) | |
| tree | 91007d60eee481373f974cb7f9c615eb495ceeaa /include/net | |
| parent | 0f5ef005310d4820926c76bc1e94d4d2a0e49d97 (diff) | |
| download | linux-9ca66afe73da16cd2c529e6770cc5aea0c4454df.tar.xz | |
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>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/xdp_sock_drv.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/net/xdp_sock_drv.h b/include/net/xdp_sock_drv.h index 0e58c38ce0c1..6406faa3d57d 100644 --- a/include/net/xdp_sock_drv.h +++ b/include/net/xdp_sock_drv.h @@ -9,6 +9,9 @@ #include <net/xdp_sock.h> #include <net/xsk_buff_pool.h> +#define XDP_UMEM_MIN_CHUNK_SHIFT 11 +#define XDP_UMEM_MIN_CHUNK_SIZE (1 << XDP_UMEM_MIN_CHUNK_SHIFT) + #ifdef CONFIG_XDP_SOCKETS void xsk_tx_completed(struct xsk_buff_pool *pool, u32 nb_entries); |