LXR linux/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-trace.h

   1/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
   2/* Copyright 2014-2015 Freescale Semiconductor Inc.
   3 */
   4
   5#undef TRACE_SYSTEM
   6#define TRACE_SYSTEM    dpaa2_eth
   7
   8#if !defined(_DPAA2_ETH_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
   9#define _DPAA2_ETH_TRACE_H
  10
  11#include <linux/skbuff.h>
  12#include <linux/netdevice.h>
  13#include <linux/tracepoint.h>
  14
  15#define TR_FMT "[%s] fd: addr=0x%llx, len=%u, off=%u"
  16/* trace_printk format for raw buffer event class */
  17#define TR_BUF_FMT "[%s] vaddr=%p size=%zu dma_addr=%pad map_size=%zu bpid=%d"
  18
  19/* This is used to declare a class of events.
  20 * individual events of this type will be defined below.
  21 */
  22
  23/* Store details about a frame descriptor */
  24DECLARE_EVENT_CLASS(dpaa2_eth_fd,
  25                    /* Trace function prototype */
  26                    TP_PROTO(struct net_device *netdev,
  27                             const struct dpaa2_fd *fd),
  28
  29                    /* Repeat argument list here */
  30                    TP_ARGS(netdev, fd),
  31
  32                    /* A structure containing the relevant information we want
  33                     * to record. Declare name and type for each normal element,
  34                     * name, type and size for arrays. Use __string for variable
  35                     * length strings.
  36                     */
  37                    TP_STRUCT__entry(
  38                                     __field(u64, fd_addr)
  39                                     __field(u32, fd_len)
  40                                     __field(u16, fd_offset)
  41                                     __string(name, netdev->name)
  42                    ),
  43
  44                    /* The function that assigns values to the above declared
  45                     * fields
  46                     */
  47                    TP_fast_assign(
  48                                   __entry->fd_addr = dpaa2_fd_get_addr(fd);
  49                                   __entry->fd_len = dpaa2_fd_get_len(fd);
  50                                   __entry->fd_offset = dpaa2_fd_get_offset(fd);
  51                                   __assign_str(name, netdev->name);
  52                    ),
  53
  54                    /* This is what gets printed when the trace event is
  55                     * triggered.
  56                     */
  57                    TP_printk(TR_FMT,
  58                              __get_str(name),
  59                              __entry->fd_addr,
  60                              __entry->fd_len,
  61                              __entry->fd_offset)
  62);
  63
  64/* Now declare events of the above type. Format is:
  65 * DEFINE_EVENT(class, name, proto, args), with proto and args same as for class
  66 */
  67
  68/* Tx (egress) fd */
  69DEFINE_EVENT(dpaa2_eth_fd, dpaa2_tx_fd,
  70             TP_PROTO(struct net_device *netdev,
  71                      const struct dpaa2_fd *fd),
  72
  73             TP_ARGS(netdev, fd)
  74);
  75
  76/* Rx fd */
  77DEFINE_EVENT(dpaa2_eth_fd, dpaa2_rx_fd,
  78             TP_PROTO(struct net_device *netdev,
  79                      const struct dpaa2_fd *fd),
  80
  81             TP_ARGS(netdev, fd)
  82);
  83
  84/* Tx confirmation fd */
  85DEFINE_EVENT(dpaa2_eth_fd, dpaa2_tx_conf_fd,
  86             TP_PROTO(struct net_device *netdev,
  87                      const struct dpaa2_fd *fd),
  88
  89             TP_ARGS(netdev, fd)
  90);
  91
  92/* Log data about raw buffers. Useful for tracing DPBP content. */
  93TRACE_EVENT(dpaa2_eth_buf_seed,
  94            /* Trace function prototype */
  95            TP_PROTO(struct net_device *netdev,
  96                     /* virtual address and size */
  97                     void *vaddr,
  98                     size_t size,
  99                     /* dma map address and size */
 100                     dma_addr_t dma_addr,
 101                     size_t map_size,
 102                     /* buffer pool id, if relevant */
 103                     u16 bpid),
 104
 105            /* Repeat argument list here */
 106            TP_ARGS(netdev, vaddr, size, dma_addr, map_size, bpid),
 107
 108            /* A structure containing the relevant information we want
 109             * to record. Declare name and type for each normal element,
 110             * name, type and size for arrays. Use __string for variable
 111             * length strings.
 112             */
 113            TP_STRUCT__entry(
 114                             __field(void *, vaddr)
 115                             __field(size_t, size)
 116                             __field(dma_addr_t, dma_addr)
 117                             __field(size_t, map_size)
 118                             __field(u16, bpid)
 119                             __string(name, netdev->name)
 120            ),
 121
 122            /* The function that assigns values to the above declared
 123             * fields
 124             */
 125            TP_fast_assign(
 126                           __entry->vaddr = vaddr;
 127                           __entry->size = size;
 128                           __entry->dma_addr = dma_addr;
 129                           __entry->map_size = map_size;
 130                           __entry->bpid = bpid;
 131                           __assign_str(name, netdev->name);
 132            ),
 133
 134            /* This is what gets printed when the trace event is
 135             * triggered.
 136             */
 137            TP_printk(TR_BUF_FMT,
 138                      __get_str(name),
 139                      __entry->vaddr,
 140                      __entry->size,
 141                      &__entry->dma_addr,
 142                      __entry->map_size,
 143                      __entry->bpid)
 144);
 145
 146/* If only one event of a certain type needs to be declared, use TRACE_EVENT().
 147 * The syntax is the same as for DECLARE_EVENT_CLASS().
 148 */
 149
 150#endif /* _DPAA2_ETH_TRACE_H */
 151
 152/* This must be outside ifdef _DPAA2_ETH_TRACE_H */
 153#undef TRACE_INCLUDE_PATH
 154#define TRACE_INCLUDE_PATH .
 155#undef TRACE_INCLUDE_FILE
 156#define TRACE_INCLUDE_FILE      dpaa2-eth-trace
 157#include <trace/define_trace.h>
 158