From: Maor Gottlieb <maorg@xxxxxxxxxxxx>
Add support to receive TOS or specific IPv4 protocol.
Signed-off-by: Maor Gottlieb <maorg@xxxxxxxxxxxx>
Reviewed-by: Sagi Grimberg <sagi@xxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
---
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
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
