net/smc/smc_tracepoint.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002
0003 #undef TRACE_SYSTEM
0004 #define TRACE_SYSTEM smc
0005
0006 #if !defined(_TRACE_SMC_H) || defined(TRACE_HEADER_MULTI_READ)
0007 #define _TRACE_SMC_H
0008
0009 #include <linux/ipv6.h>
0010 #include <linux/tcp.h>
0011 #include <linux/tracepoint.h>
0012 #include <net/ipv6.h>
0013 #include "smc.h"
0014 #include "smc_core.h"
0015
0016 TRACE_EVENT(smc_switch_to_fallback,
0017
0018         TP_PROTO(const struct smc_sock *smc, int fallback_rsn),
0019
0020         TP_ARGS(smc, fallback_rsn),
0021
0022         TP_STRUCT__entry(
0023                  __field(const void *, sk)
0024                  __field(const void *, clcsk)
0025                  __field(u64, net_cookie)
0026                  __field(int, fallback_rsn)
0027         ),
0028
0029         TP_fast_assign(
0030                const struct sock *sk = &smc->sk;
0031                const struct sock *clcsk = smc->clcsock->sk;
0032
0033                __entry->sk = sk;
0034                __entry->clcsk = clcsk;
0035                __entry->net_cookie = sock_net(sk)->net_cookie;
0036                __entry->fallback_rsn = fallback_rsn;
0037         ),
0038
0039         TP_printk("sk=%p clcsk=%p net=%llu fallback_rsn=%d",
0040               __entry->sk, __entry->clcsk,
0041               __entry->net_cookie, __entry->fallback_rsn)
0042 );
0043
0044 DECLARE_EVENT_CLASS(smc_msg_event,
0045
0046             TP_PROTO(const struct smc_sock *smc, size_t len),
0047
0048             TP_ARGS(smc, len),
0049
0050             TP_STRUCT__entry(
0051                      __field(const void *, smc)
0052                      __field(u64, net_cookie)
0053                      __field(size_t, len)
0054                      __string(name, smc->conn.lnk->ibname)
0055             ),
0056
0057             TP_fast_assign(
0058                    const struct sock *sk = &smc->sk;
0059
0060                    __entry->smc = smc;
0061                    __entry->net_cookie = sock_net(sk)->net_cookie;
0062                    __entry->len = len;
0063                    __assign_str(name, smc->conn.lnk->ibname);
0064             ),
0065
0066             TP_printk("smc=%p net=%llu len=%zu dev=%s",
0067                   __entry->smc, __entry->net_cookie,
0068                   __entry->len, __get_str(name))
0069 );
0070
0071 DEFINE_EVENT(smc_msg_event, smc_tx_sendmsg,
0072
0073          TP_PROTO(const struct smc_sock *smc, size_t len),
0074
0075          TP_ARGS(smc, len)
0076 );
0077
0078 DEFINE_EVENT(smc_msg_event, smc_rx_recvmsg,
0079
0080          TP_PROTO(const struct smc_sock *smc, size_t len),
0081
0082          TP_ARGS(smc, len)
0083 );
0084
0085 TRACE_EVENT(smcr_link_down,
0086
0087         TP_PROTO(const struct smc_link *lnk, void *location),
0088
0089         TP_ARGS(lnk, location),
0090
0091         TP_STRUCT__entry(
0092                  __field(const void *, lnk)
0093                  __field(const void *, lgr)
0094                  __field(u64, net_cookie)
0095                  __field(int, state)
0096                  __string(name, lnk->ibname)
0097                  __field(void *, location)
0098         ),
0099
0100         TP_fast_assign(
0101                const struct smc_link_group *lgr = lnk->lgr;
0102
0103                __entry->lnk = lnk;
0104                __entry->lgr = lgr;
0105                __entry->net_cookie = lgr->net->net_cookie;
0106                __entry->state = lnk->state;
0107                __assign_str(name, lnk->ibname);
0108                __entry->location = location;
0109         ),
0110
0111         TP_printk("lnk=%p lgr=%p net=%llu state=%d dev=%s location=%pS",
0112               __entry->lnk, __entry->lgr, __entry->net_cookie,
0113               __entry->state, __get_str(name),
0114               __entry->location)
0115 );
0116
0117 #endif /* _TRACE_SMC_H */
0118
0119 #undef TRACE_INCLUDE_PATH
0120 #define TRACE_INCLUDE_PATH .
0121
0122 #undef TRACE_INCLUDE_FILE
0123 #define TRACE_INCLUDE_FILE smc_tracepoint
0124
0125 #include <trace/define_trace.h>