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mlxsw: spectrum: Add a new type of KVD linear record 

When the device needs to flood an overlay packet to remote VTEPs it
retrieves a pointer to the head of a linked-list of records that store
the IP addresses of these VTEPs.

These records are stored in the KVD linear memory and configured via the
Tunneling NVE Underlay Multicast Table (TNUMT) register.

Add a new KVD linear entry type for these records, so that we will be
able to allocate and free them.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2018-10-11 07:47:55 +00:00 committed by David S. Miller
parent 12066d612b
commit 90ea0bb551
2 changed files with 3 additions and 0 deletions
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2
drivers/net/ethernet/mellanox/mlxsw/spectrum.h
View File

@ -438,6 +438,7 @@ enum mlxsw_sp_kvdl_entry_type {
MLXSW_SP_KVDL_ENTRY_TYPE_ACTSET,
MLXSW_SP_KVDL_ENTRY_TYPE_PBS,
MLXSW_SP_KVDL_ENTRY_TYPE_MCRIGR,
MLXSW_SP_KVDL_ENTRY_TYPE_TNUMT,
};
static inline unsigned int
@ -448,6 +449,7 @@ mlxsw_sp_kvdl_entry_size(enum mlxsw_sp_kvdl_entry_type type)
case MLXSW_SP_KVDL_ENTRY_TYPE_ACTSET: /* fall through */
case MLXSW_SP_KVDL_ENTRY_TYPE_PBS: /* fall through */
case MLXSW_SP_KVDL_ENTRY_TYPE_MCRIGR: /* fall through */
case MLXSW_SP_KVDL_ENTRY_TYPE_TNUMT: /* fall through */
default:
return 1;
}

1
drivers/net/ethernet/mellanox/mlxsw/spectrum2_kvdl.c
View File

@ -35,6 +35,7 @@ static const struct mlxsw_sp2_kvdl_part_info mlxsw_sp2_kvdl_parts_info[] = {
MAX_KVD_ACTION_SETS),
MLXSW_SP2_KVDL_PART_INFO(PBS, 0x24, KVD_SIZE, KVD_SIZE),
MLXSW_SP2_KVDL_PART_INFO(MCRIGR, 0x26, KVD_SIZE, KVD_SIZE),
MLXSW_SP2_KVDL_PART_INFO(TNUMT, 0x29, KVD_SIZE, KVD_SIZE),
};
#define MLXSW_SP2_KVDL_PARTS_INFO_LEN ARRAY_SIZE(mlxsw_sp2_kvdl_parts_info)