xref: /linux/include/trace/events/neigh.h (revision 63307d015b91e626c97bb82e88054af3d0b74643)
1 #undef TRACE_SYSTEM
2 #define TRACE_SYSTEM neigh
3 
4 #if !defined(_TRACE_NEIGH_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_NEIGH_H
6 
7 #include <linux/skbuff.h>
8 #include <linux/netdevice.h>
9 #include <linux/tracepoint.h>
10 #include <net/neighbour.h>
11 
12 #define neigh_state_str(state)				\
13 	__print_symbolic(state,				\
14 		{ NUD_INCOMPLETE, "incomplete" },	\
15 		{ NUD_REACHABLE, "reachable" },		\
16 		{ NUD_STALE, "stale" },			\
17 		{ NUD_DELAY, "delay" },			\
18 		{ NUD_PROBE, "probe" },			\
19 		{ NUD_FAILED, "failed" },		\
20 		{ NUD_NOARP, "noarp" },			\
21 		{ NUD_PERMANENT, "permanent"})
22 
23 TRACE_EVENT(neigh_update,
24 
25 	TP_PROTO(struct neighbour *n, const u8 *lladdr, u8 new,
26 		 u32 flags, u32 nlmsg_pid),
27 
28 	TP_ARGS(n, lladdr, new, flags, nlmsg_pid),
29 
30 	TP_STRUCT__entry(
31 		__field(u32, family)
32 		__string(dev, (n->dev ? n->dev->name : "NULL"))
33 		__array(u8, lladdr, MAX_ADDR_LEN)
34 		__field(u8, lladdr_len)
35 		__field(u8, flags)
36 		__field(u8, nud_state)
37 		__field(u8, type)
38 		__field(u8, dead)
39 		__field(int, refcnt)
40 		__array(__u8, primary_key4, 4)
41 		__array(__u8, primary_key6, 16)
42 		__field(unsigned long, confirmed)
43 		__field(unsigned long, updated)
44 		__field(unsigned long, used)
45 		__array(u8, new_lladdr, MAX_ADDR_LEN)
46 		__field(u8, new_state)
47 		__field(u32, update_flags)
48 		__field(u32, pid)
49 	),
50 
51 	TP_fast_assign(
52 		int lladdr_len = (n->dev ? n->dev->addr_len : MAX_ADDR_LEN);
53 		struct in6_addr *pin6;
54 		__be32 *p32;
55 
56 		__entry->family = n->tbl->family;
57 		__assign_str(dev, (n->dev ? n->dev->name : "NULL"));
58 		__entry->lladdr_len = lladdr_len;
59 		memcpy(__entry->lladdr, n->ha, lladdr_len);
60 		__entry->flags = n->flags;
61 		__entry->nud_state = n->nud_state;
62 		__entry->type = n->type;
63 		__entry->dead = n->dead;
64 		__entry->refcnt = refcount_read(&n->refcnt);
65 		pin6 = (struct in6_addr *)__entry->primary_key6;
66 		p32 = (__be32 *)__entry->primary_key4;
67 
68 		if (n->tbl->family == AF_INET)
69 			*p32 = *(__be32 *)n->primary_key;
70 		else
71 			*p32 = 0;
72 
73 #if IS_ENABLED(CONFIG_IPV6)
74 		if (n->tbl->family == AF_INET6) {
75 			pin6 = (struct in6_addr *)__entry->primary_key6;
76 			*pin6 = *(struct in6_addr *)n->primary_key;
77 		} else
78 #endif
79 		{
80 			ipv6_addr_set_v4mapped(*p32, pin6);
81 		}
82 		__entry->confirmed = n->confirmed;
83 		__entry->updated = n->updated;
84 		__entry->used = n->used;
85 		if (lladdr)
86 			memcpy(__entry->new_lladdr, lladdr, lladdr_len);
87 		__entry->new_state = new;
88 		__entry->update_flags = flags;
89 		__entry->pid = nlmsg_pid;
90 	),
91 
92 	TP_printk("family %d dev %s lladdr %s flags %02x nud_state %s type %02x "
93 		  "dead %d refcnt %d primary_key4 %pI4 primary_key6 %pI6c "
94 		  "confirmed %lu updated %lu used %lu new_lladdr %s "
95 		  "new_state %s update_flags %02x pid %d",
96 		  __entry->family, __get_str(dev),
97 		  __print_hex_str(__entry->lladdr, __entry->lladdr_len),
98 		  __entry->flags, neigh_state_str(__entry->nud_state),
99 		  __entry->type, __entry->dead, __entry->refcnt,
100 		  __entry->primary_key4, __entry->primary_key6,
101 		  __entry->confirmed, __entry->updated, __entry->used,
102 		  __print_hex_str(__entry->new_lladdr, __entry->lladdr_len),
103 		  neigh_state_str(__entry->new_state),
104 		  __entry->update_flags, __entry->pid)
105 );
106 
107 DECLARE_EVENT_CLASS(neigh__update,
108 	TP_PROTO(struct neighbour *n, int err),
109 	TP_ARGS(n, err),
110 	TP_STRUCT__entry(
111 		__field(u32, family)
112 		__string(dev, (n->dev ? n->dev->name : "NULL"))
113 		__array(u8, lladdr, MAX_ADDR_LEN)
114 		__field(u8, lladdr_len)
115 		__field(u8, flags)
116 		__field(u8, nud_state)
117 		__field(u8, type)
118 		__field(u8, dead)
119 		__field(int, refcnt)
120 		__array(__u8, primary_key4, 4)
121 		__array(__u8, primary_key6, 16)
122 		__field(unsigned long, confirmed)
123 		__field(unsigned long, updated)
124 		__field(unsigned long, used)
125 		__field(u32, err)
126 	),
127 
128 	TP_fast_assign(
129 		int lladdr_len = (n->dev ? n->dev->addr_len : MAX_ADDR_LEN);
130 		struct in6_addr *pin6;
131 		__be32 *p32;
132 
133 		__entry->family = n->tbl->family;
134 		__assign_str(dev, (n->dev ? n->dev->name : "NULL"));
135 		__entry->lladdr_len = lladdr_len;
136 		memcpy(__entry->lladdr, n->ha, lladdr_len);
137 		__entry->flags = n->flags;
138 		__entry->nud_state = n->nud_state;
139 		__entry->type = n->type;
140 		__entry->dead = n->dead;
141 		__entry->refcnt = refcount_read(&n->refcnt);
142 		pin6 = (struct in6_addr *)__entry->primary_key6;
143 		p32 = (__be32 *)__entry->primary_key4;
144 
145 		if (n->tbl->family == AF_INET)
146 			*p32 = *(__be32 *)n->primary_key;
147 		else
148 			*p32 = 0;
149 
150 #if IS_ENABLED(CONFIG_IPV6)
151 		if (n->tbl->family == AF_INET6) {
152 			pin6 = (struct in6_addr *)__entry->primary_key6;
153 			*pin6 = *(struct in6_addr *)n->primary_key;
154 		} else
155 #endif
156 		{
157 			ipv6_addr_set_v4mapped(*p32, pin6);
158 		}
159 
160 		__entry->confirmed = n->confirmed;
161 		__entry->updated = n->updated;
162 		__entry->used = n->used;
163 		__entry->err = err;
164 	),
165 
166 	TP_printk("family %d dev %s lladdr %s flags %02x nud_state %s type %02x "
167 		  "dead %d refcnt %d primary_key4 %pI4 primary_key6 %pI6c "
168 		  "confirmed %lu updated %lu used %lu err %d",
169 		  __entry->family, __get_str(dev),
170 		  __print_hex_str(__entry->lladdr, __entry->lladdr_len),
171 		  __entry->flags, neigh_state_str(__entry->nud_state),
172 		  __entry->type, __entry->dead, __entry->refcnt,
173 		  __entry->primary_key4, __entry->primary_key6,
174 		  __entry->confirmed, __entry->updated, __entry->used,
175 		  __entry->err)
176 );
177 
178 DEFINE_EVENT(neigh__update, neigh_update_done,
179 	TP_PROTO(struct neighbour *neigh, int err),
180 	TP_ARGS(neigh, err)
181 );
182 
183 DEFINE_EVENT(neigh__update, neigh_timer_handler,
184 	TP_PROTO(struct neighbour *neigh, int err),
185 	TP_ARGS(neigh, err)
186 );
187 
188 DEFINE_EVENT(neigh__update, neigh_event_send_done,
189 	TP_PROTO(struct neighbour *neigh, int err),
190 	TP_ARGS(neigh, err)
191 );
192 
193 DEFINE_EVENT(neigh__update, neigh_event_send_dead,
194 	TP_PROTO(struct neighbour *neigh, int err),
195 	TP_ARGS(neigh, err)
196 );
197 
198 DEFINE_EVENT(neigh__update, neigh_cleanup_and_release,
199 	TP_PROTO(struct neighbour *neigh, int rc),
200 	TP_ARGS(neigh, rc)
201 );
202 
203 #endif /* _TRACE_NEIGH_H */
204 
205 /* This part must be outside protection */
206 #include <trace/define_trace.h>
207