ceph/src/seastar/dpdk/lib/librte_pdump/rte_pdump.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2016 Intel Corporation
   3  */
   4
   5 #ifndef _RTE_PDUMP_H_
   6 #define _RTE_PDUMP_H_
   7
   8 /**
   9  * @file
  10  * RTE pdump
  11  *
  12  * packet dump library to provide packet capturing support on dpdk.
  13  */
  14
  15 #include <stdint.h>
  16 #include <rte_mempool.h>
  17 #include <rte_ring.h>
  18
  19 #ifdef __cplusplus
  20 extern "C" {
  21 #endif
  22
  23 #define RTE_PDUMP_ALL_QUEUES UINT16_MAX
  24
  25 enum {
  26         RTE_PDUMP_FLAG_RX = 1,  /* receive direction */
  27         RTE_PDUMP_FLAG_TX = 2,  /* transmit direction */
  28         /* both receive and transmit directions */
  29         RTE_PDUMP_FLAG_RXTX = (RTE_PDUMP_FLAG_RX|RTE_PDUMP_FLAG_TX)
  30 };
  31
  32 /**
  33  * Initialize packet capturing handling
  34  *
  35  * Register the IPC action for communication with target (primary) process.
  36  *
  37  * @return
  38  *    0 on success, -1 on error
  39  */
  40 int
  41 rte_pdump_init(void);
  42
  43 /**
  44  * Un initialize packet capturing handling
  45  *
  46  * Unregister the IPC action for communication with target (primary) process.
  47  *
  48  * @return
  49  *    0 on success, -1 on error
  50  */
  51 int
  52 rte_pdump_uninit(void);
  53
  54 /**
  55  * Enables packet capturing on given port and queue.
  56  *
  57  * @param port
  58  *  port on which packet capturing should be enabled.
  59  * @param queue
  60  *  queue of a given port on which packet capturing should be enabled.
  61  *  users should pass on value UINT16_MAX to enable packet capturing on all
  62  *  queues of a given port.
  63  * @param flags
  64  *  flags specifies RTE_PDUMP_FLAG_RX/RTE_PDUMP_FLAG_TX/RTE_PDUMP_FLAG_RXTX
  65  *  on which packet capturing should be enabled for a given port and queue.
  66  * @param ring
  67  *  ring on which captured packets will be enqueued for user.
  68  * @param mp
  69  *  mempool on to which original packets will be mirrored or duplicated.
  70  * @param filter
  71  *  place holder for packet filtering.
  72  *
  73  * @return
  74  *    0 on success, -1 on error, rte_errno is set accordingly.
  75  */
  76
  77 int
  78 rte_pdump_enable(uint16_t port, uint16_t queue, uint32_t flags,
  79                 struct rte_ring *ring,
  80                 struct rte_mempool *mp,
  81                 void *filter);
  82
  83 /**
  84  * Disables packet capturing on given port and queue.
  85  *
  86  * @param port
  87  *  port on which packet capturing should be disabled.
  88  * @param queue
  89  *  queue of a given port on which packet capturing should be disabled.
  90  *  users should pass on value UINT16_MAX to disable packet capturing on all
  91  *  queues of a given port.
  92  * @param flags
  93  *  flags specifies RTE_PDUMP_FLAG_RX/RTE_PDUMP_FLAG_TX/RTE_PDUMP_FLAG_RXTX
  94  *  on which packet capturing should be enabled for a given port and queue.
  95  *
  96  * @return
  97  *    0 on success, -1 on error, rte_errno is set accordingly.
  98  */
  99
 100 int
 101 rte_pdump_disable(uint16_t port, uint16_t queue, uint32_t flags);
 102
 103 /**
 104  * Enables packet capturing on given device id and queue.
 105  * device_id can be name or pci address of device.
 106  *
 107  * @param device_id
 108  *  device id on which packet capturing should be enabled.
 109  * @param queue
 110  *  queue of a given device id on which packet capturing should be enabled.
 111  *  users should pass on value UINT16_MAX to enable packet capturing on all
 112  *  queues of a given device id.
 113  * @param flags
 114  *  flags specifies RTE_PDUMP_FLAG_RX/RTE_PDUMP_FLAG_TX/RTE_PDUMP_FLAG_RXTX
 115  *  on which packet capturing should be enabled for a given port and queue.
 116  * @param ring
 117  *  ring on which captured packets will be enqueued for user.
 118  * @param mp
 119  *  mempool on to which original packets will be mirrored or duplicated.
 120  * @param filter
 121  *  place holder for packet filtering.
 122  *
 123  * @return
 124  *    0 on success, -1 on error, rte_errno is set accordingly.
 125  */
 126
 127 int
 128 rte_pdump_enable_by_deviceid(char *device_id, uint16_t queue,
 129                                 uint32_t flags,
 130                                 struct rte_ring *ring,
 131                                 struct rte_mempool *mp,
 132                                 void *filter);
 133
 134 /**
 135  * Disables packet capturing on given device_id and queue.
 136  * device_id can be name or pci address of device.
 137  *
 138  * @param device_id
 139  *  pci address or name of the device on which packet capturing
 140  *  should be disabled.
 141  * @param queue
 142  *  queue of a given device on which packet capturing should be disabled.
 143  *  users should pass on value UINT16_MAX to disable packet capturing on all
 144  *  queues of a given device id.
 145  * @param flags
 146  *  flags specifies RTE_PDUMP_FLAG_RX/RTE_PDUMP_FLAG_TX/RTE_PDUMP_FLAG_RXTX
 147  *  on which packet capturing should be enabled for a given port and queue.
 148  *
 149  * @return
 150  *    0 on success, -1 on error, rte_errno is set accordingly.
 151  */
 152 int
 153 rte_pdump_disable_by_deviceid(char *device_id, uint16_t queue,
 154                                 uint32_t flags);
 155
 156 #ifdef __cplusplus
 157 }
 158 #endif
 159
 160 #endif /* _RTE_PDUMP_H_ */