xref: /openbmc/linux/net/l2tp/trace.h (revision 07d9a767)
1  /* SPDX-License-Identifier: GPL-2.0-only */
2  #undef TRACE_SYSTEM
3  #define TRACE_SYSTEM l2tp
4  
5  #if !defined(_TRACE_L2TP_H) || defined(TRACE_HEADER_MULTI_READ)
6  #define _TRACE_L2TP_H
7  
8  #include <linux/tracepoint.h>
9  #include <linux/l2tp.h>
10  #include "l2tp_core.h"
11  
12  #define encap_type_name(e) { L2TP_ENCAPTYPE_##e, #e }
13  #define show_encap_type_name(val) \
14  	__print_symbolic(val, \
15  			encap_type_name(UDP), \
16  			encap_type_name(IP))
17  
18  #define pw_type_name(p) { L2TP_PWTYPE_##p, #p }
19  #define show_pw_type_name(val) \
20  	__print_symbolic(val, \
21  	pw_type_name(ETH_VLAN), \
22  	pw_type_name(ETH), \
23  	pw_type_name(PPP), \
24  	pw_type_name(PPP_AC), \
25  	pw_type_name(IP))
26  
27  DECLARE_EVENT_CLASS(tunnel_only_evt,
28  	TP_PROTO(struct l2tp_tunnel *tunnel),
29  	TP_ARGS(tunnel),
30  	TP_STRUCT__entry(
31  		__array(char, name, L2TP_TUNNEL_NAME_MAX)
32  	),
33  	TP_fast_assign(
34  		memcpy(__entry->name, tunnel->name, L2TP_TUNNEL_NAME_MAX);
35  	),
36  	TP_printk("%s", __entry->name)
37  );
38  
39  DECLARE_EVENT_CLASS(session_only_evt,
40  	TP_PROTO(struct l2tp_session *session),
41  	TP_ARGS(session),
42  	TP_STRUCT__entry(
43  		__array(char, name, L2TP_SESSION_NAME_MAX)
44  	),
45  	TP_fast_assign(
46  		memcpy(__entry->name, session->name, L2TP_SESSION_NAME_MAX);
47  	),
48  	TP_printk("%s", __entry->name)
49  );
50  
51  TRACE_EVENT(register_tunnel,
52  	TP_PROTO(struct l2tp_tunnel *tunnel),
53  	TP_ARGS(tunnel),
54  	TP_STRUCT__entry(
55  		__array(char, name, L2TP_TUNNEL_NAME_MAX)
56  		__field(int, fd)
57  		__field(u32, tid)
58  		__field(u32, ptid)
59  		__field(int, version)
60  		__field(enum l2tp_encap_type, encap)
61  	),
62  	TP_fast_assign(
63  		memcpy(__entry->name, tunnel->name, L2TP_TUNNEL_NAME_MAX);
64  		__entry->fd = tunnel->fd;
65  		__entry->tid = tunnel->tunnel_id;
66  		__entry->ptid = tunnel->peer_tunnel_id;
67  		__entry->version = tunnel->version;
68  		__entry->encap = tunnel->encap;
69  	),
70  	TP_printk("%s: type=%s encap=%s version=L2TPv%d tid=%u ptid=%u fd=%d",
71  		__entry->name,
72  		__entry->fd > 0 ? "managed" : "unmanaged",
73  		show_encap_type_name(__entry->encap),
74  		__entry->version,
75  		__entry->tid,
76  		__entry->ptid,
77  		__entry->fd)
78  );
79  
80  DEFINE_EVENT(tunnel_only_evt, delete_tunnel,
81  	TP_PROTO(struct l2tp_tunnel *tunnel),
82  	TP_ARGS(tunnel)
83  );
84  
85  DEFINE_EVENT(tunnel_only_evt, free_tunnel,
86  	TP_PROTO(struct l2tp_tunnel *tunnel),
87  	TP_ARGS(tunnel)
88  );
89  
90  TRACE_EVENT(register_session,
91  	TP_PROTO(struct l2tp_session *session),
92  	TP_ARGS(session),
93  	TP_STRUCT__entry(
94  		__array(char, name, L2TP_SESSION_NAME_MAX)
95  		__field(u32, tid)
96  		__field(u32, ptid)
97  		__field(u32, sid)
98  		__field(u32, psid)
99  		__field(enum l2tp_pwtype, pwtype)
100  	),
101  	TP_fast_assign(
102  		memcpy(__entry->name, session->name, L2TP_SESSION_NAME_MAX);
103  		__entry->tid = session->tunnel ? session->tunnel->tunnel_id : 0;
104  		__entry->ptid = session->tunnel ? session->tunnel->peer_tunnel_id : 0;
105  		__entry->sid = session->session_id;
106  		__entry->psid = session->peer_session_id;
107  		__entry->pwtype = session->pwtype;
108  	),
109  	TP_printk("%s: pseudowire=%s sid=%u psid=%u tid=%u ptid=%u",
110  		__entry->name,
111  		show_pw_type_name(__entry->pwtype),
112  		__entry->sid,
113  		__entry->psid,
114  		__entry->sid,
115  		__entry->psid)
116  );
117  
118  DEFINE_EVENT(session_only_evt, delete_session,
119  	TP_PROTO(struct l2tp_session *session),
120  	TP_ARGS(session)
121  );
122  
123  DEFINE_EVENT(session_only_evt, free_session,
124  	TP_PROTO(struct l2tp_session *session),
125  	TP_ARGS(session)
126  );
127  
128  DEFINE_EVENT(session_only_evt, session_seqnum_lns_enable,
129  	TP_PROTO(struct l2tp_session *session),
130  	TP_ARGS(session)
131  );
132  
133  DEFINE_EVENT(session_only_evt, session_seqnum_lns_disable,
134  	TP_PROTO(struct l2tp_session *session),
135  	TP_ARGS(session)
136  );
137  
138  DECLARE_EVENT_CLASS(session_seqnum_evt,
139  	TP_PROTO(struct l2tp_session *session),
140  	TP_ARGS(session),
141  	TP_STRUCT__entry(
142  		__array(char, name, L2TP_SESSION_NAME_MAX)
143  		__field(u32, ns)
144  		__field(u32, nr)
145  	),
146  	TP_fast_assign(
147  		memcpy(__entry->name, session->name, L2TP_SESSION_NAME_MAX);
148  		__entry->ns = session->ns;
149  		__entry->nr = session->nr;
150  	),
151  	TP_printk("%s: ns=%u nr=%u",
152  		__entry->name,
153  		__entry->ns,
154  		__entry->nr)
155  );
156  
157  DEFINE_EVENT(session_seqnum_evt, session_seqnum_update,
158  	TP_PROTO(struct l2tp_session *session),
159  	TP_ARGS(session)
160  );
161  
162  DEFINE_EVENT(session_seqnum_evt, session_seqnum_reset,
163  	TP_PROTO(struct l2tp_session *session),
164  	TP_ARGS(session)
165  );
166  
167  DECLARE_EVENT_CLASS(session_pkt_discard_evt,
168  	TP_PROTO(struct l2tp_session *session, u32 pkt_ns),
169  	TP_ARGS(session, pkt_ns),
170  	TP_STRUCT__entry(
171  		__array(char, name, L2TP_SESSION_NAME_MAX)
172  		__field(u32, pkt_ns)
173  		__field(u32, my_nr)
174  		__field(u32, reorder_q_len)
175  	),
176  	TP_fast_assign(
177  		memcpy(__entry->name, session->name, L2TP_SESSION_NAME_MAX);
178  		__entry->pkt_ns = pkt_ns,
179  		__entry->my_nr = session->nr;
180  		__entry->reorder_q_len = skb_queue_len(&session->reorder_q);
181  	),
182  	TP_printk("%s: pkt_ns=%u my_nr=%u reorder_q_len=%u",
183  		__entry->name,
184  		__entry->pkt_ns,
185  		__entry->my_nr,
186  		__entry->reorder_q_len)
187  );
188  
189  DEFINE_EVENT(session_pkt_discard_evt, session_pkt_expired,
190  	TP_PROTO(struct l2tp_session *session, u32 pkt_ns),
191  	TP_ARGS(session, pkt_ns)
192  );
193  
194  DEFINE_EVENT(session_pkt_discard_evt, session_pkt_outside_rx_window,
195  	TP_PROTO(struct l2tp_session *session, u32 pkt_ns),
196  	TP_ARGS(session, pkt_ns)
197  );
198  
199  DEFINE_EVENT(session_pkt_discard_evt, session_pkt_oos,
200  	TP_PROTO(struct l2tp_session *session, u32 pkt_ns),
201  	TP_ARGS(session, pkt_ns)
202  );
203  
204  #endif /* _TRACE_L2TP_H */
205  
206  /* This part must be outside protection */
207  #undef TRACE_INCLUDE_PATH
208  #define TRACE_INCLUDE_PATH .
209  #undef TRACE_INCLUDE_FILE
210  #define TRACE_INCLUDE_FILE trace
211  #include <trace/define_trace.h>
212