numam-dpdk/lib/pdump/rte_pdump.h
Sean Morrissey 30a1de105a lib: remove unneeded header includes
These header includes have been flagged by the iwyu_tool
and removed.

Signed-off-by: Sean Morrissey <sean.morrissey@intel.com>
2022-02-22 13:10:39 +01:00

266 lines
7.6 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2016 Intel Corporation
*/
#ifndef _RTE_PDUMP_H_
#define _RTE_PDUMP_H_
/**
* @file
* RTE pdump
*
* packet dump library to provide packet capturing support on dpdk.
*/
#include <stdint.h>
#include <rte_bpf.h>
#ifdef __cplusplus
extern "C" {
#endif
#define RTE_PDUMP_ALL_QUEUES UINT16_MAX
enum {
RTE_PDUMP_FLAG_RX = 1, /* receive direction */
RTE_PDUMP_FLAG_TX = 2, /* transmit direction */
/* both receive and transmit directions */
RTE_PDUMP_FLAG_RXTX = (RTE_PDUMP_FLAG_RX|RTE_PDUMP_FLAG_TX),
RTE_PDUMP_FLAG_PCAPNG = 4, /* format for pcapng */
};
/**
* Initialize packet capturing handling
*
* Register the IPC action for communication with target (primary) process.
*
* @return
* 0 on success, -1 on error
*/
int
rte_pdump_init(void);
/**
* Un initialize packet capturing handling
*
* Unregister the IPC action for communication with target (primary) process.
*
* @return
* 0 on success, -1 on error
*/
int
rte_pdump_uninit(void);
/**
* Enables packet capturing on given port and queue.
*
* @param port
* port on which packet capturing should be enabled.
* @param queue
* queue of a given port on which packet capturing should be enabled.
* users should pass on value UINT16_MAX to enable packet capturing on all
* queues of a given port.
* @param flags
* flags specifies RTE_PDUMP_FLAG_RX/RTE_PDUMP_FLAG_TX/RTE_PDUMP_FLAG_RXTX
* on which packet capturing should be enabled for a given port and queue.
* @param ring
* ring on which captured packets will be enqueued for user.
* @param mp
* mempool on to which original packets will be mirrored or duplicated.
* @param filter
* Unused should be NULL.
*
* @return
* 0 on success, -1 on error, rte_errno is set accordingly.
*/
int
rte_pdump_enable(uint16_t port, uint16_t queue, uint32_t flags,
struct rte_ring *ring,
struct rte_mempool *mp,
void *filter);
/**
* @warning
* @b EXPERIMENTAL: this API may change, or be removed, without prior notice
*
* Enables packet capturing on given port and queue with filtering.
*
* @param port_id
* The Ethernet port on which packet capturing should be enabled.
* @param queue
* The queue on the Ethernet port which packet capturing
* should be enabled. Pass UINT16_MAX to enable packet capturing on all
* queues of a given port.
* @param flags
* Pdump library flags that specify direction and packet format.
* @param snaplen
* The upper limit on bytes to copy.
* Passing UINT32_MAX means capture all the possible data.
* @param ring
* The ring on which captured packets will be enqueued for user.
* @param mp
* The mempool on to which original packets will be mirrored or duplicated.
* @param prm
* Use BPF program to run to filter packes (can be NULL)
*
* @return
* 0 on success, -1 on error, rte_errno is set accordingly.
*/
__rte_experimental
int
rte_pdump_enable_bpf(uint16_t port_id, uint16_t queue,
uint32_t flags, uint32_t snaplen,
struct rte_ring *ring,
struct rte_mempool *mp,
const struct rte_bpf_prm *prm);
/**
* Disables packet capturing on given port and queue.
*
* @param port
* port on which packet capturing should be disabled.
* @param queue
* queue of a given port on which packet capturing should be disabled.
* users should pass on value UINT16_MAX to disable packet capturing on all
* queues of a given port.
* @param flags
* flags specifies RTE_PDUMP_FLAG_RX/RTE_PDUMP_FLAG_TX/RTE_PDUMP_FLAG_RXTX
* on which packet capturing should be enabled for a given port and queue.
*
* @return
* 0 on success, -1 on error, rte_errno is set accordingly.
*/
int
rte_pdump_disable(uint16_t port, uint16_t queue, uint32_t flags);
/**
* Enables packet capturing on given device id and queue.
* device_id can be name or pci address of device.
*
* @param device_id
* device id on which packet capturing should be enabled.
* @param queue
* queue of a given device id on which packet capturing should be enabled.
* users should pass on value UINT16_MAX to enable packet capturing on all
* queues of a given device id.
* @param flags
* flags specifies RTE_PDUMP_FLAG_RX/RTE_PDUMP_FLAG_TX/RTE_PDUMP_FLAG_RXTX
* on which packet capturing should be enabled for a given port and queue.
* @param ring
* ring on which captured packets will be enqueued for user.
* @param mp
* mempool on to which original packets will be mirrored or duplicated.
* @param filter
* unused should be NULL
*
* @return
* 0 on success, -1 on error, rte_errno is set accordingly.
*/
int
rte_pdump_enable_by_deviceid(char *device_id, uint16_t queue,
uint32_t flags,
struct rte_ring *ring,
struct rte_mempool *mp,
void *filter);
/**
* @warning
* @b EXPERIMENTAL: this API may change, or be removed, without prior notice
*
* Enables packet capturing on given device id and queue with filtering.
* device_id can be name or pci address of device.
*
* @param device_id
* device id on which packet capturing should be enabled.
* @param queue
* The queue on the Ethernet port which packet capturing
* should be enabled. Pass UINT16_MAX to enable packet capturing on all
* queues of a given port.
* @param flags
* Pdump library flags that specify direction and packet format.
* @param snaplen
* The upper limit on bytes to copy.
* Passing UINT32_MAX means capture all the possible data.
* @param ring
* The ring on which captured packets will be enqueued for user.
* @param mp
* The mempool on to which original packets will be mirrored or duplicated.
* @param filter
* Use BPF program to run to filter packes (can be NULL)
*
* @return
* 0 on success, -1 on error, rte_errno is set accordingly.
*/
__rte_experimental
int
rte_pdump_enable_bpf_by_deviceid(const char *device_id, uint16_t queue,
uint32_t flags, uint32_t snaplen,
struct rte_ring *ring,
struct rte_mempool *mp,
const struct rte_bpf_prm *filter);
/**
* Disables packet capturing on given device_id and queue.
* device_id can be name or pci address of device.
*
* @param device_id
* pci address or name of the device on which packet capturing
* should be disabled.
* @param queue
* queue of a given device on which packet capturing should be disabled.
* users should pass on value UINT16_MAX to disable packet capturing on all
* queues of a given device id.
* @param flags
* flags specifies RTE_PDUMP_FLAG_RX/RTE_PDUMP_FLAG_TX/RTE_PDUMP_FLAG_RXTX
* on which packet capturing should be enabled for a given port and queue.
*
* @return
* 0 on success, -1 on error, rte_errno is set accordingly.
*/
int
rte_pdump_disable_by_deviceid(char *device_id, uint16_t queue,
uint32_t flags);
/**
* A structure used to retrieve statistics from packet capture.
* The statistics are sum of both receive and transmit queues.
*/
struct rte_pdump_stats {
uint64_t accepted; /**< Number of packets accepted by filter. */
uint64_t filtered; /**< Number of packets rejected by filter. */
uint64_t nombuf; /**< Number of mbuf allocation failures. */
uint64_t ringfull; /**< Number of missed packets due to ring full. */
uint64_t reserved[4]; /**< Reserved and pad to cache line */
};
/**
* @warning
* @b EXPERIMENTAL: this API may change, or be removed, without prior notice
*
* Retrieve the packet capture statistics for a queue.
*
* @param port_id
* The port identifier of the Ethernet device.
* @param stats
* A pointer to structure of type *rte_pdump_stats* to be filled in.
* @return
* Zero if successful. -1 on error and rte_errno is set.
*/
__rte_experimental
int
rte_pdump_stats(uint16_t port_id, struct rte_pdump_stats *stats);
#ifdef __cplusplus
}
#endif
#endif /* _RTE_PDUMP_H_ */