xref: /openbmc/linux/net/smc/smc_tracepoint.h (revision f71a261a)
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, smc->conn.lnk->ibname);
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, lnk->ibname);
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>
126