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mlxsw: reg: Extend QPCR register 

The QoS Policer Configuration Register (QPCR) is used to configure
hardware policers. Extend this register with following fields and
defines which will be used by subsequent patches:

1. Violate counter: reads number of packets dropped by the policer
2. Clear counter: to ensure we start counting from 0
3. Rate and burst size limits

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2020-03-30 22:38:25 +03:00 committed by David S. Miller
parent 5fbff58e27
commit 2b84d7c3f6
1 changed files with 17 additions and 0 deletions
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17
drivers/net/ethernet/mellanox/mlxsw/reg.h
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@ -3296,6 +3296,12 @@ MLXSW_ITEM32(reg, qpcr, g, 0x00, 14, 2);
*/
MLXSW_ITEM32(reg, qpcr, pid, 0x00, 0, 14);
/* reg_qpcr_clear_counter
* Clear counters.
* Access: OP
*/
MLXSW_ITEM32(reg, qpcr, clear_counter, 0x04, 31, 1);
/* reg_qpcr_color_aware
* Is the policer aware of colors.
* Must be 0 (unaware) for cpu port.
@ -3393,6 +3399,17 @@ enum mlxsw_reg_qpcr_action {
*/
MLXSW_ITEM32(reg, qpcr, violate_action, 0x18, 0, 4);
/* reg_qpcr_violate_count
* Counts the number of times violate_action happened on this PID.
* Access: RW
*/
MLXSW_ITEM64(reg, qpcr, violate_count, 0x20, 0, 64);
#define MLXSW_REG_QPCR_LOWEST_CIR 1
#define MLXSW_REG_QPCR_HIGHEST_CIR (2 * 1000 * 1000 * 1000) /* 2Gpps */
#define MLXSW_REG_QPCR_LOWEST_CBS 4
#define MLXSW_REG_QPCR_HIGHEST_CBS 24
static inline void mlxsw_reg_qpcr_pack(char *payload, u16 pid,
enum mlxsw_reg_qpcr_ir_units ir_units,
bool bytes, u32 cir, u16 cbs)