leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mlxsw: reg: add the Monitoring Packet Sampling Configuration Register

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
drivers/net/ethernet/mellanox/mlxsw/reg.h
View File

@ -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),