net/smc/smc_tracepoint.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2
   3 #undef TRACE_SYSTEM
   4 #define TRACE_SYSTEM smc
   5
   6 #if !defined(_TRACE_SMC_H) || defined(TRACE_HEADER_MULTI_READ)
   7 #define _TRACE_SMC_H
   8
   9 #include <linux/ipv6.h>
  10 #include <linux/tcp.h>
  11 #include <linux/tracepoint.h>
  12 #include <net/ipv6.h>
  13 #include "smc.h"
  14 #include "smc_core.h"
  15
  16 TRACE_EVENT(smc_switch_to_fallback,
  17
  18             TP_PROTO(const struct smc_sock *smc, int fallback_rsn),
  19
  20             TP_ARGS(smc, fallback_rsn),
  21
  22             TP_STRUCT__entry(
  23                              __field(const void *, sk)
  24                              __field(const void *, clcsk)
  25                              __field(u64, net_cookie)
  26                              __field(int, fallback_rsn)
  27             ),
  28
  29             TP_fast_assign(
  30                            const struct sock *sk = &smc->sk;
  31                            const struct sock *clcsk = smc->clcsock->sk;
  32
  33                            __entry->sk = sk;
  34                            __entry->clcsk = clcsk;
  35                            __entry->net_cookie = sock_net(sk)->net_cookie;
  36                            __entry->fallback_rsn = fallback_rsn;
  37             ),
  38
  39             TP_printk("sk=%p clcsk=%p net=%llu fallback_rsn=%d",
  40                       __entry->sk, __entry->clcsk,
  41                       __entry->net_cookie, __entry->fallback_rsn)
  42 );
  43
  44 DECLARE_EVENT_CLASS(smc_msg_event,
  45
  46                     TP_PROTO(const struct smc_sock *smc, size_t len),
  47
  48                     TP_ARGS(smc, len),
  49
  50                     TP_STRUCT__entry(
  51                                      __field(const void *, smc)
  52                                      __field(u64, net_cookie)
  53                                      __field(size_t, len)
  54                                      __string(name, smc->conn.lnk->ibname)
  55                     ),
  56
  57                     TP_fast_assign(
  58                                    const struct sock *sk = &smc->sk;
  59
  60                                    __entry->smc = smc;
  61                                    __entry->net_cookie = sock_net(sk)->net_cookie;
  62                                    __entry->len = len;
  63                                    __assign_str(name);
  64                     ),
  65
  66                     TP_printk("smc=%p net=%llu len=%zu dev=%s",
  67                               __entry->smc, __entry->net_cookie,
  68                               __entry->len, __get_str(name))
  69 );
  70
  71 DEFINE_EVENT(smc_msg_event, smc_tx_sendmsg,
  72
  73              TP_PROTO(const struct smc_sock *smc, size_t len),
  74
  75              TP_ARGS(smc, len)
  76 );
  77
  78 DEFINE_EVENT(smc_msg_event, smc_rx_recvmsg,
  79
  80              TP_PROTO(const struct smc_sock *smc, size_t len),
  81
  82              TP_ARGS(smc, len)
  83 );
  84
  85 TRACE_EVENT(smcr_link_down,
  86
  87             TP_PROTO(const struct smc_link *lnk, void *location),
  88
  89             TP_ARGS(lnk, location),
  90
  91             TP_STRUCT__entry(
  92                              __field(const void *, lnk)
  93                              __field(const void *, lgr)
  94                              __field(u64, net_cookie)
  95                              __field(int, state)
  96                              __string(name, lnk->ibname)
  97                              __field(void *, location)
  98             ),
  99
 100             TP_fast_assign(
 101                            const struct smc_link_group *lgr = lnk->lgr;
 102
 103                            __entry->lnk = lnk;
 104                            __entry->lgr = lgr;
 105                            __entry->net_cookie = lgr->net->net_cookie;
 106                            __entry->state = lnk->state;
 107                            __assign_str(name);
 108                            __entry->location = location;
 109             ),
 110
 111             TP_printk("lnk=%p lgr=%p net=%llu state=%d dev=%s location=%pS",
 112                       __entry->lnk, __entry->lgr, __entry->net_cookie,
 113                       __entry->state, __get_str(name),
 114                       __entry->location)
 115 );
 116
 117 #endif /* _TRACE_SMC_H */
 118
 119 #undef TRACE_INCLUDE_PATH
 120 #define TRACE_INCLUDE_PATH .
 121
 122 #undef TRACE_INCLUDE_FILE
 123 #define TRACE_INCLUDE_FILE smc_tracepoint
 124
 125 #include <trace/define_trace.h>