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mlxsw: reg: Add the Monitoring Port Analyzer register

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The MPAR register is used to bind ports to a SPAN entry (which was
created using MPAT register) and thus mirror their traffic (ingress /
egress) to a different port.

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 12:03:15 +02:00 committed by David S. Miller
parent 43a4685620
commit 230190548b
1 changed files with 67 additions and 0 deletions
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67
drivers/net/ethernet/mellanox/mlxsw/reg.h
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@ -4675,6 +4675,16 @@ MLXSW_ITEM32(reg, mpat, e, 0x04, 31, 1);
*/
MLXSW_ITEM32(reg, mpat, qos, 0x04, 26, 1);
/* reg_mpat_be
* Best effort mode. Indicates mirroring traffic should not cause packet
* drop or back pressure, but will discard the mirrored packets. Mirrored
* packets will be forwarded on a best effort manner.
* 0: Do not discard mirrored packets
* 1: Discard mirrored packets if causing congestion
* Access: RW
*/
MLXSW_ITEM32(reg, mpat, be, 0x04, 25, 1);
static inline void mlxsw_reg_mpat_pack(char *payload, u8 pa_id,
u16 system_port, bool e)
{
@ -4683,6 +4693,61 @@ static inline void mlxsw_reg_mpat_pack(char *payload, u8 pa_id,
mlxsw_reg_mpat_system_port_set(payload, system_port);
mlxsw_reg_mpat_e_set(payload, e);
mlxsw_reg_mpat_qos_set(payload, 1);
mlxsw_reg_mpat_be_set(payload, 1);
}
/* MPAR - Monitoring Port Analyzer Register
* ----------------------------------------
* MPAR register is used to query and configure the port analyzer port mirroring
* properties.
*/
#define MLXSW_REG_MPAR_ID 0x901B
#define MLXSW_REG_MPAR_LEN 0x08
static const struct mlxsw_reg_info mlxsw_reg_mpar = {
.id = MLXSW_REG_MPAR_ID,
.len = MLXSW_REG_MPAR_LEN,
};
/* reg_mpar_local_port
* The local port to mirror the packets from.
* Access: Index
*/
MLXSW_ITEM32(reg, mpar, local_port, 0x00, 16, 8);
enum mlxsw_reg_mpar_i_e {
MLXSW_REG_MPAR_TYPE_EGRESS,
MLXSW_REG_MPAR_TYPE_INGRESS,
};
/* reg_mpar_i_e
* Ingress/Egress
* Access: Index
*/
MLXSW_ITEM32(reg, mpar, i_e, 0x00, 0, 4);
/* reg_mpar_enable
* Enable mirroring
* By default, port mirroring is disabled for all ports.
* Access: RW
*/
MLXSW_ITEM32(reg, mpar, enable, 0x04, 31, 1);
/* reg_mpar_pa_id
* Port Analyzer ID.
* Access: RW
*/
MLXSW_ITEM32(reg, mpar, pa_id, 0x04, 0, 4);
static inline void mlxsw_reg_mpar_pack(char *payload, u8 local_port,
enum mlxsw_reg_mpar_i_e i_e,
bool enable, u8 pa_id)
{
MLXSW_REG_ZERO(mpar, payload);
mlxsw_reg_mpar_local_port_set(payload, local_port);
mlxsw_reg_mpar_enable_set(payload, enable);
mlxsw_reg_mpar_i_e_set(payload, i_e);
mlxsw_reg_mpar_pa_id_set(payload, pa_id);
}
/* MLCR - Management LED Control Register
@ -5258,6 +5323,8 @@ static inline const char *mlxsw_reg_id_str(u16 reg_id)
return "MTCAP";
case MLXSW_REG_MPAT_ID:
return "MPAT";
case MLXSW_REG_MPAR_ID:
return "MPAR";
case MLXSW_REG_MTMP_ID:
return "MTMP";
case MLXSW_REG_MLCR_ID: