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/* 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_ */
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