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

net/mlx5_core: Add helper function to read IB error counters

Browse Source 
Added helper function to read IB standard error counters
via the PPCNT register.

The PPCNT register read command provides the 32-bit error counters
of both IB/RoCE link layer and transport layer.

Signed-off-by: Meny Yossefi <menyy@mellanox.com>
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Meny Yossefi 2016-02-18 18:15:00 +02:00 committed by Doug Ledford
parent b54ba2772b
commit 1c64bf6f29
4 changed files with 59 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/net/ethernet/mellanox/mlx5/core/port.c
View File

@ -324,6 +324,29 @@ int mlx5_query_port_vl_hw_cap(struct mlx5_core_dev *dev,
}
EXPORT_SYMBOL_GPL(mlx5_query_port_vl_hw_cap);
int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
u8 port_num, void *out, size_t sz)
{
u32 *in;
int err;
in = mlx5_vzalloc(sz);
if (!in) {
err = -ENOMEM;
return err;
}
MLX5_SET(ppcnt_reg, in, local_port, port_num);
MLX5_SET(ppcnt_reg, in, grp, MLX5_INFINIBAND_PORT_COUNTERS_GROUP);
err = mlx5_core_access_reg(dev, in, sz, out,
sz, MLX5_REG_PPCNT, 0, 0);
kvfree(in);
return err;
}
EXPORT_SYMBOL_GPL(mlx5_core_query_ib_ppcnt);
int mlx5_set_port_pause(struct mlx5_core_dev *dev, u32 rx_pause, u32 tx_pause)
{
u32 in[MLX5_ST_SZ_DW(pfcc_reg)];

3
include/linux/mlx5/device.h
View File

@ -1284,7 +1284,8 @@ enum {
MLX5_RFC_3635_COUNTERS_GROUP = 0x3,
MLX5_ETHERNET_EXTENDED_COUNTERS_GROUP = 0x5,
MLX5_PER_PRIORITY_COUNTERS_GROUP = 0x10,
MLX5_PER_TRAFFIC_CLASS_COUNTERS_GROUP = 0x11
MLX5_PER_TRAFFIC_CLASS_COUNTERS_GROUP = 0x11,
MLX5_INFINIBAND_PORT_COUNTERS_GROUP = 0x20,
};
static inline u16 mlx5_to_sw_pkey_sz(int pkey_sz)

2
include/linux/mlx5/driver.h
View File

@ -847,6 +847,8 @@ int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
struct mlx5_odp_caps *odp_caps);
int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
u8 port_num, void *out, size_t sz);
static inline int fw_initializing(struct mlx5_core_dev *dev)
{

32
include/linux/mlx5/mlx5_ifc.h
View File

@ -1208,6 +1208,36 @@ struct mlx5_ifc_phys_layer_cntrs_bits {
u8 reserved_at_640[0x180];
};
struct mlx5_ifc_ib_port_cntrs_grp_data_layout_bits {
u8 symbol_error_counter[0x10];
u8 link_error_recovery_counter[0x8];
u8 link_downed_counter[0x8];
u8 port_rcv_errors[0x10];
u8 port_rcv_remote_physical_errors[0x10];
u8 port_rcv_switch_relay_errors[0x10];
u8 port_xmit_discards[0x10];
u8 port_xmit_constraint_errors[0x8];
u8 port_rcv_constraint_errors[0x8];
u8 reserved_at_70[0x8];
u8 link_overrun_errors[0x8];
u8 reserved_at_80[0x10];
u8 vl_15_dropped[0x10];
u8 reserved_at_a0[0xa0];
};
struct mlx5_ifc_eth_per_traffic_grp_data_layout_bits {
u8 transmit_queue_high[0x20];
@ -2618,6 +2648,7 @@ union mlx5_ifc_eth_cntrs_grp_data_layout_auto_bits {
struct mlx5_ifc_eth_extended_cntrs_grp_data_layout_bits eth_extended_cntrs_grp_data_layout;
struct mlx5_ifc_eth_per_prio_grp_data_layout_bits eth_per_prio_grp_data_layout;
struct mlx5_ifc_eth_per_traffic_grp_data_layout_bits eth_per_traffic_grp_data_layout;
struct mlx5_ifc_ib_port_cntrs_grp_data_layout_bits ib_port_cntrs_grp_data_layout;
struct mlx5_ifc_phys_layer_cntrs_bits phys_layer_cntrs;
u8 reserved_at_0[0x7c0];
};
@ -6955,6 +6986,7 @@ union mlx5_ifc_ports_control_registers_document_bits {
struct mlx5_ifc_peir_reg_bits peir_reg;
struct mlx5_ifc_pelc_reg_bits pelc_reg;
struct mlx5_ifc_pfcc_reg_bits pfcc_reg;
struct mlx5_ifc_ib_port_cntrs_grp_data_layout_bits ib_port_cntrs_grp_data_layout;
struct mlx5_ifc_phys_layer_cntrs_bits phys_layer_cntrs;
struct mlx5_ifc_pifr_reg_bits pifr_reg;
struct mlx5_ifc_pipg_reg_bits pipg_reg;