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
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