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
