| /* SPDX-License-Identifier: Apache-2.0 |
| * Copyright (c) 2023 Cisco Systems, Inc. |
| */ |
| |
| #ifndef _VNET_DEV_COUNTERS_H_ |
| #define _VNET_DEV_COUNTERS_H_ |
| |
| #include <vnet/dev/dev.h> |
| |
| typedef enum |
| { |
| VNET_DEV_CTR_DIR_NA, |
| VNET_DEV_CTR_DIR_RX, |
| VNET_DEV_CTR_DIR_TX, |
| } __clib_packed vnet_dev_counter_direction_t; |
| |
| typedef enum |
| { |
| VNET_DEV_CTR_TYPE_RX_BYTES, |
| VNET_DEV_CTR_TYPE_RX_PACKETS, |
| VNET_DEV_CTR_TYPE_RX_DROPS, |
| VNET_DEV_CTR_TYPE_TX_BYTES, |
| VNET_DEV_CTR_TYPE_TX_PACKETS, |
| VNET_DEV_CTR_TYPE_TX_DROPS, |
| VNET_DEV_CTR_TYPE_VENDOR, |
| } __clib_packed vnet_dev_counter_type_t; |
| |
| typedef enum |
| { |
| VNET_DEV_CTR_UNIT_NA, |
| VNET_DEV_CTR_UNIT_BYTES, |
| VNET_DEV_CTR_UNIT_PACKETS, |
| VNET_DEV_CTR_UNIT_DESCRIPTORS, |
| VNET_DEV_CTR_UNIT_BUFFERS, |
| } __clib_packed vnet_dev_counter_unit_t; |
| |
| typedef struct vnet_dev_counter |
| { |
| char name[24]; |
| uword user_data; |
| vnet_dev_counter_type_t type; |
| vnet_dev_counter_direction_t dir; |
| vnet_dev_counter_unit_t unit; |
| u16 index; |
| } vnet_dev_counter_t; |
| |
| typedef struct vnet_dev_counter_main |
| { |
| u8 *desc; |
| u64 *counter_data; |
| u64 *counter_start; |
| u16 n_counters; |
| vnet_dev_counter_t counters[]; |
| } vnet_dev_counter_main_t; |
| |
| #define VNET_DEV_CTR_RX_BYTES(p, ...) \ |
| { \ |
| .type = VNET_DEV_CTR_TYPE_RX_BYTES, .dir = VNET_DEV_CTR_DIR_RX, \ |
| .unit = VNET_DEV_CTR_UNIT_BYTES, .user_data = (p), __VA_ARGS__ \ |
| } |
| #define VNET_DEV_CTR_TX_BYTES(p, ...) \ |
| { \ |
| .type = VNET_DEV_CTR_TYPE_TX_BYTES, .dir = VNET_DEV_CTR_DIR_TX, \ |
| .unit = VNET_DEV_CTR_UNIT_BYTES, .user_data = (p), __VA_ARGS__ \ |
| } |
| #define VNET_DEV_CTR_RX_PACKETS(p, ...) \ |
| { \ |
| .type = VNET_DEV_CTR_TYPE_RX_PACKETS, .dir = VNET_DEV_CTR_DIR_RX, \ |
| .unit = VNET_DEV_CTR_UNIT_PACKETS, .user_data = (p), __VA_ARGS__ \ |
| } |
| #define VNET_DEV_CTR_TX_PACKETS(p, ...) \ |
| { \ |
| .type = VNET_DEV_CTR_TYPE_TX_PACKETS, .dir = VNET_DEV_CTR_DIR_TX, \ |
| .unit = VNET_DEV_CTR_UNIT_PACKETS, .user_data = (p), __VA_ARGS__ \ |
| } |
| #define VNET_DEV_CTR_RX_DROPS(p, ...) \ |
| { \ |
| .type = VNET_DEV_CTR_TYPE_RX_DROPS, .dir = VNET_DEV_CTR_DIR_RX, \ |
| .unit = VNET_DEV_CTR_UNIT_PACKETS, .user_data = (p), __VA_ARGS__ \ |
| } |
| #define VNET_DEV_CTR_TX_DROPS(p, ...) \ |
| { \ |
| .type = VNET_DEV_CTR_TYPE_TX_DROPS, .dir = VNET_DEV_CTR_DIR_TX, \ |
| .unit = VNET_DEV_CTR_UNIT_PACKETS, .user_data = (p), __VA_ARGS__ \ |
| } |
| #define VNET_DEV_CTR_VENDOR(p, d, u, n, ...) \ |
| { \ |
| .type = VNET_DEV_CTR_TYPE_VENDOR, .user_data = (p), .name = n, \ |
| .dir = VNET_DEV_CTR_DIR_##d, .unit = VNET_DEV_CTR_UNIT_##u, __VA_ARGS__ \ |
| } |
| |
| vnet_dev_counter_main_t *vnet_dev_counters_alloc (vlib_main_t *, |
| vnet_dev_counter_t *, u16, |
| char *, ...); |
| void vnet_dev_counters_clear (vlib_main_t *, vnet_dev_counter_main_t *); |
| void vnet_dev_counters_free (vlib_main_t *, vnet_dev_counter_main_t *); |
| |
| format_function_t format_vnet_dev_counters; |
| format_function_t format_vnet_dev_counters_all; |
| |
| static_always_inline vnet_dev_counter_main_t * |
| vnet_dev_counter_get_main (vnet_dev_counter_t *counter) |
| { |
| return (vnet_dev_counter_main_t *) ((u8 *) (counter - counter->index) - |
| STRUCT_OFFSET_OF ( |
| vnet_dev_counter_main_t, counters)); |
| } |
| |
| static_always_inline void |
| vnet_dev_counter_value_add (vlib_main_t *vm, vnet_dev_counter_t *counter, |
| u64 val) |
| { |
| vnet_dev_counter_main_t *cm = vnet_dev_counter_get_main (counter); |
| cm->counter_data[counter->index] += val; |
| } |
| |
| static_always_inline void |
| vnet_dev_counter_value_update (vlib_main_t *vm, vnet_dev_counter_t *counter, |
| u64 val) |
| { |
| vnet_dev_counter_main_t *cm = vnet_dev_counter_get_main (counter); |
| cm->counter_data[counter->index] = val - cm->counter_start[counter->index]; |
| } |
| |
| #define foreach_vnet_dev_counter(c, cm) \ |
| if (cm) \ |
| for (typeof (*(cm)->counters) *(c) = (cm)->counters; \ |
| (c) < (cm)->counters + (cm)->n_counters; (c)++) |
| |
| #endif /* _VNET_DEV_COUNTERS_H_ */ |