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IB/mlx5: Support Vxlan tunneling specification 

Add support to receive specific Vxlan packet in ConnectX-4.

Signed-off-by: Moses Reuben <mosesr@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Moses Reuben 2016-11-14 19:04:50 +02:00 committed by Doug Ledford
parent a0cb4c759a
commit ffb30d8f10
1 changed files with 11 additions and 0 deletions
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11
drivers/infiniband/hw/mlx5/main.c
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@ -1539,6 +1539,7 @@ static void set_tos(void *outer_c, void *outer_v, u8 mask, u8 val)
#define LAST_IPV4_FIELD tos #define LAST_IPV4_FIELD tos
#define LAST_IPV6_FIELD traffic_class #define LAST_IPV6_FIELD traffic_class
#define LAST_TCP_UDP_FIELD src_port #define LAST_TCP_UDP_FIELD src_port
#define LAST_TUNNEL_FIELD tunnel_id
/* Field is the last supported field */ /* Field is the last supported field */
#define FIELDS_NOT_SUPPORTED(filter, field)\ #define FIELDS_NOT_SUPPORTED(filter, field)\
@ -1722,6 +1723,16 @@ static int parse_flow_attr(u32 *match_c, u32 *match_v,
MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, udp_dport, MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, udp_dport,
ntohs(ib_spec->tcp_udp.val.dst_port)); ntohs(ib_spec->tcp_udp.val.dst_port));
break; break;
case IB_FLOW_SPEC_VXLAN_TUNNEL:
if (FIELDS_NOT_SUPPORTED(ib_spec->tunnel.mask,
LAST_TUNNEL_FIELD))
return -ENOTSUPP;
MLX5_SET(fte_match_set_misc, misc_params_c, vxlan_vni,
ntohl(ib_spec->tunnel.mask.tunnel_id));
MLX5_SET(fte_match_set_misc, misc_params_v, vxlan_vni,
ntohl(ib_spec->tunnel.val.tunnel_id));
break;
default: default:
return -EINVAL; return -EINVAL;
} }