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authorMaor Gottlieb <maorg@mellanox.com>2016-08-30 16:58:35 +0300
committerDoug Ledford <dledford@redhat.com>2016-10-07 16:54:19 -0400
commitca0d47538528be18cbf45e3cce09862ddf37a3cf (patch)
tree93f721e391938170dfe47476d27f4d30e9e8a418 /drivers/infiniband
parenta72c6a2b0e699fcbcf679b881d5af2683228ae98 (diff)
IB/mlx5: Add support in TOS and protocol to flow steering
Add support to receive TOS or specific IPv4 protocol. Signed-off-by: Maor Gottlieb <maorg@mellanox.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/mlx5/main.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index e6fdc82912ba..fbc0e42ef450 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -1436,9 +1436,23 @@ 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
@@ -1524,6 +1538,12 @@ 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))