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commit 22a04b26a8c1428b87b3cc35fd256ee615172648
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Author: Guy Levi <guyle@mellanox.com>
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Date: Tue Oct 17 15:23:10 2017 +0300
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mlx4: Add a report of RSS capabilities in ibv_query_device_ex
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Report few extra RSS capabilities that were missed in previous patches.
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Signed-off-by: Guy Levi <guyle@mellanox.com>
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Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
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diff --git a/providers/mlx4/mlx4-abi.h b/providers/mlx4/mlx4-abi.h
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index 4f2132c2..c4783d29 100644
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--- a/providers/mlx4/mlx4-abi.h
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+++ b/providers/mlx4/mlx4-abi.h
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@@ -99,13 +99,19 @@ struct mlx4_resize_cq {
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__u64 buf_addr;
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};
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+struct mlx4_rss_caps {
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+ __u64 rx_hash_fields_mask; /* enum ibv_rx_hash_fields */
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+ __u8 rx_hash_function; /* enum ibv_rx_hash_function_flags */
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+ __u8 reserved[7];
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+};
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+
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struct mlx4_query_device_ex_resp {
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struct ibv_query_device_resp_ex ibv_resp;
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__u32 comp_mask;
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__u32 response_length;
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__u64 hca_core_clock_offset;
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__u32 max_inl_recv_sz;
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- __u32 reserved;
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+ struct mlx4_rss_caps rss_caps; /* vendor data channel */
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};
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struct mlx4_query_device_ex {
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diff --git a/providers/mlx4/verbs.c b/providers/mlx4/verbs.c
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index 8532882e..8a2773f9 100644
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--- a/providers/mlx4/verbs.c
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+++ b/providers/mlx4/verbs.c
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@@ -87,6 +87,9 @@ int mlx4_query_device_ex(struct ibv_context *context,
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if (err)
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return err;
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+ attr->rss_caps.rx_hash_fields_mask = resp.rss_caps.rx_hash_fields_mask;
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+ attr->rss_caps.rx_hash_function = resp.rss_caps.rx_hash_function;
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+
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if (resp.comp_mask & MLX4_QUERY_DEV_RESP_MASK_CORE_CLOCK_OFFSET) {
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mctx->core_clock.offset = resp.hca_core_clock_offset;
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mctx->core_clock.offset_valid = 1;
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