diff options
| author |   Yotam Gigi <yotamg@mellanox.com> | 2016-07-21 12:03:15 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-07-24 23:11:59 -0700 |
| commit | 230190548b7529d02d38f450748baf0721332f26 (patch) | |
| tree | 04b837aca14cc831f97b8b6327566f7d56b6abbd /drivers/net/ethernet | |
| parent | mlxsw: reg: Add Monitoring Port Analyzer Table register (diff) | |
| download | linux-dev-230190548b7529d02d38f450748baf0721332f26.tar.xz linux-dev-230190548b7529d02d38f450748baf0721332f26.zip | |
mlxsw: reg: Add the Monitoring Port Analyzer register
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>
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/reg.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index d0b97a6779e9..7ca9201f7dcb 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -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: |