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mlxsw: reg: Add The Router TCAM Allocation register

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This register is used for allocation of regions in the TCAM table and it
will be used by the multicast router offloading logic.

Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yotam Gigi 2017-09-19 10:00:13 +02:00 committed by David S. Miller
parent 5872656551
commit 46a7054eba
1 changed files with 52 additions and 0 deletions
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52
drivers/net/ethernet/mellanox/mlxsw/reg.h
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@ -4310,6 +4310,57 @@ mlxsw_reg_ritr_loopback_ipip4_pack(char *payload,
mlxsw_reg_ritr_loopback_ipip_usip4_set(payload, usip);
}
/* RTAR - Router TCAM Allocation Register
* --------------------------------------
* This register is used for allocation of regions in the TCAM table.
*/
#define MLXSW_REG_RTAR_ID 0x8004
#define MLXSW_REG_RTAR_LEN 0x20
MLXSW_REG_DEFINE(rtar, MLXSW_REG_RTAR_ID, MLXSW_REG_RTAR_LEN);
enum mlxsw_reg_rtar_op {
MLXSW_REG_RTAR_OP_ALLOCATE,
MLXSW_REG_RTAR_OP_RESIZE,
MLXSW_REG_RTAR_OP_DEALLOCATE,
};
/* reg_rtar_op
* Access: WO
*/
MLXSW_ITEM32(reg, rtar, op, 0x00, 28, 4);
enum mlxsw_reg_rtar_key_type {
MLXSW_REG_RTAR_KEY_TYPE_IPV4_MULTICAST = 1,
MLXSW_REG_RTAR_KEY_TYPE_IPV6_MULTICAST = 3
};
/* reg_rtar_key_type
* TCAM key type for the region.
* Access: WO
*/
MLXSW_ITEM32(reg, rtar, key_type, 0x00, 0, 8);
/* reg_rtar_region_size
* TCAM region size. When allocating/resizing this is the requested
* size, the response is the actual size.
* Note: Actual size may be larger than requested.
* Reserved for op = Deallocate
* Access: WO
*/
MLXSW_ITEM32(reg, rtar, region_size, 0x04, 0, 16);
static inline void mlxsw_reg_rtar_pack(char *payload,
enum mlxsw_reg_rtar_op op,
enum mlxsw_reg_rtar_key_type key_type,
u16 region_size)
{
MLXSW_REG_ZERO(rtar, payload);
mlxsw_reg_rtar_op_set(payload, op);
mlxsw_reg_rtar_key_type_set(payload, key_type);
mlxsw_reg_rtar_region_size_set(payload, region_size);
}
/* RATR - Router Adjacency Table Register
* --------------------------------------
* The RATR register is used to configure the Router Adjacency (next-hop)
@ -6855,6 +6906,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
MLXSW_REG(hpkt),
MLXSW_REG(rgcr),
MLXSW_REG(ritr),
MLXSW_REG(rtar),
MLXSW_REG(ratr),
MLXSW_REG(rtdp),
MLXSW_REG(ricnt),