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Commit 026bae0c authored by Maor Gottlieb's avatar Maor Gottlieb Committed by Doug Ledford
Browse files

IB/mlx5: Enable flow steering for IPv6 traffic 



Enable flow steering for IPv6 traffic by using an IPv6 spec.

Signed-off-by: default avatarMaor Gottlieb <maorg@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 4c2aae71

drivers/infiniband/hw/mlx5/main.c

+26 −0
Original line number Diff line number Diff line
@@ -1454,6 +1454,32 @@ static int parse_flow_attr(u32 *match_c, u32 *match_v, 
		       &ib_spec->ipv4.val.dst_ip,

		       sizeof(ib_spec->ipv4.val.dst_ip));

		break;

	case IB_FLOW_SPEC_IPV6:

		if (ib_spec->size != sizeof(ib_spec->ipv6))

			return -EINVAL;



		MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c,

			 ethertype, 0xffff);

		MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v,

			 ethertype, ETH_P_IPV6);



		memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c,

				    src_ipv4_src_ipv6.ipv6_layout.ipv6),

		       &ib_spec->ipv6.mask.src_ip,

		       sizeof(ib_spec->ipv6.mask.src_ip));

		memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v,

				    src_ipv4_src_ipv6.ipv6_layout.ipv6),

		       &ib_spec->ipv6.val.src_ip,

		       sizeof(ib_spec->ipv6.val.src_ip));

		memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c,

				    dst_ipv4_dst_ipv6.ipv6_layout.ipv6),

		       &ib_spec->ipv6.mask.dst_ip,

		       sizeof(ib_spec->ipv6.mask.dst_ip));

		memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v,

				    dst_ipv4_dst_ipv6.ipv6_layout.ipv6),

		       &ib_spec->ipv6.val.dst_ip,

		       sizeof(ib_spec->ipv6.val.dst_ip));

		break;

	case IB_FLOW_SPEC_TCP:

		if (ib_spec->size != sizeof(ib_spec->tcp_udp))

			return -EINVAL;