diff options
Diffstat (limited to 'src/vnet/dev/counters.h')
| -rw-r--r-- | src/vnet/dev/counters.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/vnet/dev/counters.h b/src/vnet/dev/counters.h new file mode 100644 index 00000000000..33d08ffbecd --- /dev/null +++ b/src/vnet/dev/counters.h @@ -0,0 +1,128 @@ +/* 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, +} __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_ */ |