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mlxsw: reg: Add Shared Buffer Internal Buffer register

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The SBIB register configures per port buffer for internal use. This
register is used to configure an egress mirror buffer on the egress port
which does the mirroring.

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 2016-07-21 12:03:13 +02:00 committed by David S. Miller
parent b87f7936a9
commit 51ae8cc662
1 changed files with 41 additions and 0 deletions
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41
drivers/net/ethernet/mellanox/mlxsw/reg.h
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@ -5062,6 +5062,45 @@ static inline void mlxsw_reg_sbsr_rec_unpack(char *payload, int rec_index,
mlxsw_reg_sbsr_rec_max_buff_occupancy_get(payload, rec_index);
}
/* SBIB - Shared Buffer Internal Buffer Register
* ---------------------------------------------
* The SBIB register configures per port buffers for internal use. The internal
* buffers consume memory on the port buffers (note that the port buffers are
* used also by PBMC).
*
* For Spectrum this is used for egress mirroring.
*/
#define MLXSW_REG_SBIB_ID 0xB006
#define MLXSW_REG_SBIB_LEN 0x10
static const struct mlxsw_reg_info mlxsw_reg_sbib = {
.id = MLXSW_REG_SBIB_ID,
.len = MLXSW_REG_SBIB_LEN,
};
/* reg_sbib_local_port
* Local port number
* Not supported for CPU port and router port
* Access: Index
*/
MLXSW_ITEM32(reg, sbib, local_port, 0x00, 16, 8);
/* reg_sbib_buff_size
* Units represented in cells
* Allowed range is 0 to (cap_max_headroom_size - 1)
* Default is 0
* Access: RW
*/
MLXSW_ITEM32(reg, sbib, buff_size, 0x08, 0, 24);
static inline void mlxsw_reg_sbib_pack(char *payload, u8 local_port,
u32 buff_size)
{
MLXSW_REG_ZERO(sbib, payload);
mlxsw_reg_sbib_local_port_set(payload, local_port);
mlxsw_reg_sbib_buff_size_set(payload, buff_size);
}
static inline const char *mlxsw_reg_id_str(u16 reg_id)
{
switch (reg_id) {
@ -5179,6 +5218,8 @@ static inline const char *mlxsw_reg_id_str(u16 reg_id)
return "SBMM";
case MLXSW_REG_SBSR_ID:
return "SBSR";
case MLXSW_REG_SBIB_ID:
return "SBIB";
default:
return "*UNKNOWN*";
}