Quelle  smc_tracepoint.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */

#undef TRACE_SYSTEM
#define TRACE_SYSTEM smc

#if !defined(_TRACE_SMC_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_SMC_H

#include <linux/ipv6.h>
#include <linux/tcp.h>
#include <linux/tracepoint.h>
#include <net/ipv6.h>
#include "smc.h"
#include "smc_core.h"

TRACE_EVENT(smc_switch_to_fallback,

     TP_PROTO(const struct smc_sock *smc, int fallback_rsn),

     TP_ARGS(smc, fallback_rsn),

     TP_STRUCT__entry(
        __field(const void *, sk)
        __field(const void *, clcsk)
        __field(u64, net_cookie)
        __field(int, fallback_rsn)
     ),

     TP_fast_assign(
      const struct sock *sk = &smc->sk;
      const struct sock *clcsk = smc->clcsock->sk;

      __entry->sk = sk;
      __entry->clcsk = clcsk;
      __entry->net_cookie = sock_net(sk)->net_cookie;
      __entry->fallback_rsn = fallback_rsn;
     ),

     TP_printk("sk=%p clcsk=%p net=%llu fallback_rsn=%d",
        __entry->sk, __entry->clcsk,
        __entry->net_cookie, __entry->fallback_rsn)
);

DECLARE_EVENT_CLASS(smc_msg_event,

      TP_PROTO(const struct smc_sock *smc, size_t len),

      TP_ARGS(smc, len),

      TP_STRUCT__entry(
         __field(const void *, smc)
         __field(u64, net_cookie)
         __field(size_t, len)
         __string(name, smc->conn.lnk->ibname)
      ),

      TP_fast_assign(
       const struct sock *sk = &smc->sk;

       __entry->smc = smc;
       __entry->net_cookie = sock_net(sk)->net_cookie;
       __entry->len = len;
       __assign_str(name);
      ),

      TP_printk("smc=%p net=%llu len=%zu dev=%s",
         __entry->smc, __entry->net_cookie,
         __entry->len, __get_str(name))
);

DEFINE_EVENT(smc_msg_event, smc_tx_sendmsg,

      TP_PROTO(const struct smc_sock *smc, size_t len),

      TP_ARGS(smc, len)
);

DEFINE_EVENT(smc_msg_event, smc_rx_recvmsg,

      TP_PROTO(const struct smc_sock *smc, size_t len),

      TP_ARGS(smc, len)
);

TRACE_EVENT(smcr_link_down,

     TP_PROTO(const struct smc_link *lnk, void *location),

     TP_ARGS(lnk, location),

     TP_STRUCT__entry(
        __field(const void *, lnk)
        __field(const void *, lgr)
        __field(u64, net_cookie)
        __field(int, state)
        __string(name, lnk->ibname)
        __field(void *, location)
     ),

     TP_fast_assign(
      const struct smc_link_group *lgr = lnk->lgr;

      __entry->lnk = lnk;
      __entry->lgr = lgr;
      __entry->net_cookie = lgr->net->net_cookie;
      __entry->state = lnk->state;
      __assign_str(name);
      __entry->location = location;
     ),

     TP_printk("lnk=%p lgr=%p net=%llu state=%d dev=%s location=%pS",
        __entry->lnk, __entry->lgr, __entry->net_cookie,
        __entry->state, __get_str(name),
        __entry->location)
);

#endif /* _TRACE_SMC_H */

#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .

#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE smc_tracepoint

#include <trace/define_trace.h>