net/l2tp/trace.h

   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>