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mlxsw: reg: add the Monitoring Packet Sampling Configuration Register

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The MPSC register allows to configure ingress packet sampling on specific
port of the mlxsw device. The sampled packets are then trapped via
PKT_SAMPLE trap.

Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yotam Gigi 2017-01-23 11:07:10 +01:00 committed by David S. Miller
parent 5c5670fae4
commit 0677d6828b
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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@ -4965,6 +4965,46 @@ static inline void mlxsw_reg_mlcr_pack(char *payload, u8 local_port,
MLXSW_REG_MLCR_DURATION_MAX : 0);
}
/* MPSC - Monitoring Packet Sampling Configuration Register
* --------------------------------------------------------
* MPSC Register is used to configure the Packet Sampling mechanism.
*/
#define MLXSW_REG_MPSC_ID 0x9080
#define MLXSW_REG_MPSC_LEN 0x1C
MLXSW_REG_DEFINE(mpsc, MLXSW_REG_MPSC_ID, MLXSW_REG_MPSC_LEN);
/* reg_mpsc_local_port
* Local port number
* Not supported for CPU port
* Access: Index
*/
MLXSW_ITEM32(reg, mpsc, local_port, 0x00, 16, 8);
/* reg_mpsc_e
* Enable sampling on port local_port
* Access: RW
*/
MLXSW_ITEM32(reg, mpsc, e, 0x04, 30, 1);
#define MLXSW_REG_MPSC_RATE_MAX 3500000000UL
/* reg_mpsc_rate
* Sampling rate = 1 out of rate packets (with randomization around
* the point). Valid values are: 1 to MLXSW_REG_MPSC_RATE_MAX
* Access: RW
*/
MLXSW_ITEM32(reg, mpsc, rate, 0x08, 0, 32);
static inline void mlxsw_reg_mpsc_pack(char *payload, u8 local_port, bool e,
u32 rate)
{
MLXSW_REG_ZERO(mpsc, payload);
mlxsw_reg_mpsc_local_port_set(payload, local_port);
mlxsw_reg_mpsc_e_set(payload, e);
mlxsw_reg_mpsc_rate_set(payload, rate);
}
/* SBPR - Shared Buffer Pools Register
* -----------------------------------
* The SBPR configures and retrieves the shared buffer pools and configuration.
@ -5429,6 +5469,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
MLXSW_REG(mpat),
MLXSW_REG(mpar),
MLXSW_REG(mlcr),
MLXSW_REG(mpsc),
MLXSW_REG(sbpr),
MLXSW_REG(sbcm),
MLXSW_REG(sbpm),