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IB/mlx4: Add report for RSS capabilities by vendor channel

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The mlx4's RSS patches submission missed a report of RSS capabilities
which should be reported by the vendor channel in query_device.

Signed-off-by: Guy Levi <guyle@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Guy Levi 2017-10-25 22:39:34 +03:00 committed by Doug Ledford
parent fec99ededf
commit 09d208b258
2 changed files with 28 additions and 5 deletions
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17
drivers/infiniband/hw/mlx4/main.c
View File

@ -581,6 +581,23 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
sizeof(struct mlx4_wqe_data_seg);
}
if (uhw->outlen >= resp.response_length + sizeof(resp.rss_caps)) {
resp.response_length += sizeof(resp.rss_caps);
if (props->rss_caps.supported_qpts) {
resp.rss_caps.rx_hash_function =
MLX4_IB_RX_HASH_FUNC_TOEPLITZ;
resp.rss_caps.rx_hash_fields_mask =
MLX4_IB_RX_HASH_SRC_IPV4 |
MLX4_IB_RX_HASH_DST_IPV4 |
MLX4_IB_RX_HASH_SRC_IPV6 |
MLX4_IB_RX_HASH_DST_IPV6 |
MLX4_IB_RX_HASH_SRC_PORT_TCP |
MLX4_IB_RX_HASH_DST_PORT_TCP |
MLX4_IB_RX_HASH_SRC_PORT_UDP |
MLX4_IB_RX_HASH_DST_PORT_UDP;
}
}
if (uhw->outlen) {
err = ib_copy_to_udata(uhw, &resp, resp.response_length);
if (err)

16
drivers/infiniband/hw/mlx4/mlx4_ib.h
View File

@ -644,12 +644,18 @@ enum query_device_resp_mask {
QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0,
};
struct mlx4_ib_rss_caps {
__u64 rx_hash_fields_mask; /* enum mlx4_rx_hash_fields */
__u8 rx_hash_function; /* enum mlx4_rx_hash_function_flags */
__u8 reserved[7];
};
struct mlx4_uverbs_ex_query_device_resp {
__u32 comp_mask;
__u32 response_length;
__u64 hca_core_clock_offset;
__u32 max_inl_recv_sz;
__u32 reserved;
__u32 comp_mask;
__u32 response_length;
__u64 hca_core_clock_offset;
__u32 max_inl_recv_sz;
struct mlx4_ib_rss_caps rss_caps;
};
static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)