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path: root/drivers/infiniband/hw/mlx4/main.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx4/main.c')
-rw-r--r--drivers/infiniband/hw/mlx4/main.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index c636842c5be0..d8f0b94f1dc4 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -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)