[PATCH rdma-next 4/5] IB/mlx5: Add support in TOS and protocol to flow steering
From: Leon Romanovsky <hidden>
Date: 2016-08-28 11:11:39
Subsystem:
infiniband subsystem, mellanox mlx5 ib driver, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2016-08-29 · Re: [PATCH rdma-next 4/5] IB/mlx5: Add support in TOS and protocol to flow steering · Sagi Grimberg <hidden>
From: Maor Gottlieb <maorg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org> Add support to receive TOS or specific IPv4 protocol. Signed-off-by: Maor Gottlieb <maorg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org> Signed-off-by: Leon Romanovsky <redacted> --- drivers/infiniband/hw/mlx5/main.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 4268895..21448d3 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c@@ -1405,9 +1405,23 @@ static bool outer_header_zero(u32 *match_criteria) size - 1); } +static void set_proto(void *outer_c, void *outer_v, u8 mask, u8 val) +{ + MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_protocol, mask); + MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_protocol, val); +} + +static void set_tos(void *outer_c, void *outer_v, u8 mask, u8 val) +{ + MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_ecn, mask); + MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_ecn, val); + MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_dscp, mask >> 2); + MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_dscp, val >> 2); +} + #define LAST_ETH_FIELD vlan_tag #define LAST_IB_FIELD sl -#define LAST_IPV4_FIELD dst_ip +#define LAST_IPV4_FIELD tos #define LAST_IPV6_FIELD dst_ip #define LAST_TCP_UDP_FIELD src_port
@@ -1493,6 +1507,12 @@ static int parse_flow_attr(u32 *match_c, u32 *match_v, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), &ib_spec->ipv4.val.dst_ip, sizeof(ib_spec->ipv4.val.dst_ip)); + + set_tos(outer_headers_c, outer_headers_v, + ib_spec->ipv4.mask.tos, ib_spec->ipv4.val.tos); + + set_proto(outer_headers_c, outer_headers_v, + ib_spec->ipv4.mask.proto, ib_spec->ipv4.val.proto); break; case IB_FLOW_SPEC_IPV6: if (FIELDS_NOT_SUPPORTED(ib_spec->ipv6.mask, LAST_IPV6_FIELD))
--
2.7.4
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