mlxsw: reg: Introduce per priority counters
We are going to add support for PFC as part of DCB ops, which requires us to report the number of PFC frames sent and received per priority. Add per priority counters in order to report number of PFC frames sent and received per priority. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -2487,6 +2487,11 @@ MLXSW_ITEM32(reg, ppcnt, local_port, 0x00, 16, 8);
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*/
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MLXSW_ITEM32(reg, ppcnt, pnat, 0x00, 14, 2);
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enum mlxsw_reg_ppcnt_grp {
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MLXSW_REG_PPCNT_IEEE_8023_CNT = 0x0,
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MLXSW_REG_PPCNT_PRIO_CNT = 0x10,
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};
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/* reg_ppcnt_grp
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* Performance counter group.
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* Group 63 indicates all groups. Only valid on Set() operation with
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@ -2522,6 +2527,8 @@ MLXSW_ITEM32(reg, ppcnt, clr, 0x04, 31, 1);
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*/
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MLXSW_ITEM32(reg, ppcnt, prio_tc, 0x04, 0, 5);
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/* Ethernet IEEE 802.3 Counter Group */
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/* reg_ppcnt_a_frames_transmitted_ok
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* Access: RO
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*/
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@ -2636,15 +2643,64 @@ MLXSW_ITEM64(reg, ppcnt, a_pause_mac_ctrl_frames_received,
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MLXSW_ITEM64(reg, ppcnt, a_pause_mac_ctrl_frames_transmitted,
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0x08 + 0x90, 0, 64);
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static inline void mlxsw_reg_ppcnt_pack(char *payload, u8 local_port)
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/* Ethernet Per Priority Group Counters */
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/* reg_ppcnt_rx_octets
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* Access: RO
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*/
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MLXSW_ITEM64(reg, ppcnt, rx_octets, 0x08 + 0x00, 0, 64);
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/* reg_ppcnt_rx_frames
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* Access: RO
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*/
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MLXSW_ITEM64(reg, ppcnt, rx_frames, 0x08 + 0x20, 0, 64);
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/* reg_ppcnt_tx_octets
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* Access: RO
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*/
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MLXSW_ITEM64(reg, ppcnt, tx_octets, 0x08 + 0x28, 0, 64);
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/* reg_ppcnt_tx_frames
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* Access: RO
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*/
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MLXSW_ITEM64(reg, ppcnt, tx_frames, 0x08 + 0x48, 0, 64);
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/* reg_ppcnt_rx_pause
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* Access: RO
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*/
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MLXSW_ITEM64(reg, ppcnt, rx_pause, 0x08 + 0x50, 0, 64);
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/* reg_ppcnt_rx_pause_duration
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* Access: RO
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*/
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MLXSW_ITEM64(reg, ppcnt, rx_pause_duration, 0x08 + 0x58, 0, 64);
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/* reg_ppcnt_tx_pause
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* Access: RO
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*/
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MLXSW_ITEM64(reg, ppcnt, tx_pause, 0x08 + 0x60, 0, 64);
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/* reg_ppcnt_tx_pause_duration
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* Access: RO
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*/
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MLXSW_ITEM64(reg, ppcnt, tx_pause_duration, 0x08 + 0x68, 0, 64);
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/* reg_ppcnt_rx_pause_transition
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* Access: RO
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*/
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MLXSW_ITEM64(reg, ppcnt, tx_pause_transition, 0x08 + 0x70, 0, 64);
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static inline void mlxsw_reg_ppcnt_pack(char *payload, u8 local_port,
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enum mlxsw_reg_ppcnt_grp grp,
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u8 prio_tc)
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{
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MLXSW_REG_ZERO(ppcnt, payload);
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mlxsw_reg_ppcnt_swid_set(payload, 0);
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mlxsw_reg_ppcnt_local_port_set(payload, local_port);
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mlxsw_reg_ppcnt_pnat_set(payload, 0);
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mlxsw_reg_ppcnt_grp_set(payload, 0);
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mlxsw_reg_ppcnt_grp_set(payload, grp);
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mlxsw_reg_ppcnt_clr_set(payload, 0);
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mlxsw_reg_ppcnt_prio_tc_set(payload, 0);
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mlxsw_reg_ppcnt_prio_tc_set(payload, prio_tc);
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}
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/* PPTB - Port Prio To Buffer Register
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@ -1195,7 +1195,8 @@ static void mlxsw_sp_port_get_stats(struct net_device *dev,
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int i;
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int err;
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mlxsw_reg_ppcnt_pack(ppcnt_pl, mlxsw_sp_port->local_port);
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mlxsw_reg_ppcnt_pack(ppcnt_pl, mlxsw_sp_port->local_port,
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MLXSW_REG_PPCNT_IEEE_8023_CNT, 0);
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err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ppcnt), ppcnt_pl);
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for (i = 0; i < MLXSW_SP_PORT_HW_STATS_LEN; i++)
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data[i] = !err ? mlxsw_sp_port_hw_stats[i].getter(ppcnt_pl) : 0;
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@ -518,7 +518,8 @@ static void mlxsw_sx_port_get_stats(struct net_device *dev,
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int i;
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int err;
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mlxsw_reg_ppcnt_pack(ppcnt_pl, mlxsw_sx_port->local_port);
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mlxsw_reg_ppcnt_pack(ppcnt_pl, mlxsw_sx_port->local_port,
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MLXSW_REG_PPCNT_IEEE_8023_CNT, 0);
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err = mlxsw_reg_query(mlxsw_sx->core, MLXSW_REG(ppcnt), ppcnt_pl);
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for (i = 0; i < MLXSW_SX_PORT_HW_STATS_LEN; i++)
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data[i] = !err ? mlxsw_sx_port_hw_stats[i].getter(ppcnt_pl) : 0;
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