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mlxsw: Add fields for mlxsw's meta header for adjacency table

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This patch adds field for mlxsw's meta header which will be used to
describe the match/action behavior of the adjacency table.

The fields are:
1. Adj_index - The global index of the nexthop group in the adjacency
   table.

2. Adj_hash_index - Local index offset which is based on packets hash
   mod the nexthop group size.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arkadi Sharshevsky 2017-09-25 10:32:22 +02:00 committed by David S. Miller
parent be2336ebfd
commit c0859d697c
1 changed files with 12 additions and 0 deletions
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12
drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c
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@ -43,6 +43,8 @@ enum mlxsw_sp_field_metadata_id {
MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT,
MLXSW_SP_DPIPE_FIELD_METADATA_L3_FORWARD,
MLXSW_SP_DPIPE_FIELD_METADATA_L3_DROP,
MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_INDEX,
MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_HASH_INDEX,
};
static struct devlink_dpipe_field mlxsw_sp_dpipe_fields_metadata[] = {
@ -62,6 +64,16 @@ static struct devlink_dpipe_field mlxsw_sp_dpipe_fields_metadata[] = {
.id = MLXSW_SP_DPIPE_FIELD_METADATA_L3_DROP,
.bitwidth = 1,
},
{
.name = "adj_index",
.id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_INDEX,
.bitwidth = 32,
},
{
.name = "adj_hash_index",
.id = MLXSW_SP_DPIPE_FIELD_METADATA_ADJ_HASH_INDEX,
.bitwidth = 32,
},
};
enum mlxsw_sp_dpipe_header_id {