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IB/mlx5: Add support for RSS on the inner packet

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Some user space application would like to do RSS on the inner
packet fields instead on the outer.
When MLX5_RX_HASH_INNER is set with one or more of the other
hash fields, then the RSS will be done using the inner packet.

Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Maor Gottlieb 2017-10-19 08:25:56 +03:00 • committed by Doug Ledford
commit 309fa3470f
2 changed files with 14 additions and 1 deletions
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4
include/uapi/rdma/mlx5-abi.h
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@ -303,7 +303,9 @@ enum mlx5_rx_hash_fields {
MLX5_RX_HASH_SRC_PORT_TCP = 1 << 4,
MLX5_RX_HASH_DST_PORT_TCP = 1 << 5,
MLX5_RX_HASH_SRC_PORT_UDP = 1 << 6,
MLX5_RX_HASH_DST_PORT_UDP = 1 << 7
MLX5_RX_HASH_DST_PORT_UDP = 1 << 7,
/* Save bits for future fields */
MLX5_RX_HASH_INNER = 1 << 31
};
struct mlx5_ib_create_qp_rss {