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
23TRACE_EVENT(neigh_create,
24
25 TP_PROTO(struct neigh_table *tbl, struct net_device *dev,
26 const void *pkey, const struct neighbour *n,
27 bool exempt_from_gc),
28
29 TP_ARGS(tbl, dev, pkey, n, exempt_from_gc),
30
31 TP_STRUCT__entry(
32 __field(u32, family)
33 __string(dev, dev ? dev->name : "NULL")
34 __field(int, entries)
35 __field(u8, created)
36 __field(u8, gc_exempt)
37 __array(u8, primary_key4, 4)
38 __array(u8, primary_key6, 16)
39 ),
40
41 TP_fast_assign(
42 __be32 *p32;
43
44 __entry->family = tbl->family;
45 __assign_str(dev);
46 __entry->entries = atomic_read(&tbl->gc_entries);
47 __entry->created = n != NULL;
48 __entry->gc_exempt = exempt_from_gc;
49 p32 = (__be32 *)__entry->primary_key4;
50
51 if (tbl->family == AF_INET)
52 *p32 = *(__be32 *)pkey;
53 else
54 *p32 = 0;
55
56#if IS_ENABLED(CONFIG_IPV6)
57 if (tbl->family == AF_INET6) {
58 struct in6_addr *pin6;
59
60 pin6 = (struct in6_addr *)__entry->primary_key6;
61 *pin6 = *(struct in6_addr *)pkey;
62 }
63#endif
64 ),
65
66 TP_printk("family %d dev %s entries %d primary_key4 %pI4 primary_key6 %pI6c created %d gc_exempt %d",
67 __entry->family, __get_str(dev), __entry->entries,
68 __entry->primary_key4, __entry->primary_key6,
69 __entry->created, __entry->gc_exempt)
70);
71
72TRACE_EVENT(neigh_update,
73
74 TP_PROTO(struct neighbour *n, const u8 *lladdr, u8 new,
75 u32 flags, u32 nlmsg_pid),
76
77 TP_ARGS(n, lladdr, new, flags, nlmsg_pid),
78
79 TP_STRUCT__entry(
80 __field(u32, family)
81 __string(dev, (n->dev ? n->dev->name : "NULL"))
82 __array(u8, lladdr, MAX_ADDR_LEN)
83 __field(u8, lladdr_len)
84 __field(u8, flags)
85 __field(u8, nud_state)
86 __field(u8, type)
87 __field(u8, dead)
88 __field(int, refcnt)
89 __array(__u8, primary_key4, 4)
90 __array(__u8, primary_key6, 16)
91 __field(unsigned long, confirmed)
92 __field(unsigned long, updated)
93 __field(unsigned long, used)
94 __array(u8, new_lladdr, MAX_ADDR_LEN)
95 __field(u8, new_state)
96 __field(u32, update_flags)
97 __field(u32, pid)
98 ),
99
100 TP_fast_assign(
101 int lladdr_len = (n->dev ? n->dev->addr_len : MAX_ADDR_LEN);
102 struct in6_addr *pin6;
103 __be32 *p32;
104
105 __entry->family = n->tbl->family;
106 __assign_str(dev);
107 __entry->lladdr_len = lladdr_len;
108 memcpy(__entry->lladdr, n->ha, lladdr_len);
109 __entry->flags = n->flags;
110 __entry->nud_state = n->nud_state;
111 __entry->type = n->type;
112 __entry->dead = n->dead;
113 __entry->refcnt = refcount_read(&n->refcnt);
114 pin6 = (struct in6_addr *)__entry->primary_key6;
115 p32 = (__be32 *)__entry->primary_key4;
116
117 if (n->tbl->family == AF_INET)
118 *p32 = *(__be32 *)n->primary_key;
119 else
120 *p32 = 0;
121
122#if IS_ENABLED(CONFIG_IPV6)
123 if (n->tbl->family == AF_INET6) {
124 pin6 = (struct in6_addr *)__entry->primary_key6;
125 *pin6 = *(struct in6_addr *)n->primary_key;
126 } else
127#endif
128 {
129 ipv6_addr_set_v4mapped(*p32, pin6);
130 }
131 __entry->confirmed = n->confirmed;
132 __entry->updated = n->updated;
133 __entry->used = n->used;
134 if (lladdr)
135 memcpy(__entry->new_lladdr, lladdr, lladdr_len);
136 __entry->new_state = new;
137 __entry->update_flags = flags;
138 __entry->pid = nlmsg_pid;
139 ),
140
141 TP_printk("family %d dev %s lladdr %s flags %02x nud_state %s type %02x "
142 "dead %d refcnt %d primary_key4 %pI4 primary_key6 %pI6c "
143 "confirmed %lu updated %lu used %lu new_lladdr %s "
144 "new_state %s update_flags %02x pid %d",
145 __entry->family, __get_str(dev),
146 __print_hex_str(__entry->lladdr, __entry->lladdr_len),
147 __entry->flags, neigh_state_str(__entry->nud_state),
148 __entry->type, __entry->dead, __entry->refcnt,
149 __entry->primary_key4, __entry->primary_key6,
150 __entry->confirmed, __entry->updated, __entry->used,
151 __print_hex_str(__entry->new_lladdr, __entry->lladdr_len),
152 neigh_state_str(__entry->new_state),
153 __entry->update_flags, __entry->pid)
154);
155
156DECLARE_EVENT_CLASS(neigh__update,
157 TP_PROTO(struct neighbour *n, int err),
158 TP_ARGS(n, err),
159 TP_STRUCT__entry(
160 __field(u32, family)
161 __string(dev, (n->dev ? n->dev->name : "NULL"))
162 __array(u8, lladdr, MAX_ADDR_LEN)
163 __field(u8, lladdr_len)
164 __field(u8, flags)
165 __field(u8, nud_state)
166 __field(u8, type)
167 __field(u8, dead)
168 __field(int, refcnt)
169 __array(__u8, primary_key4, 4)
170 __array(__u8, primary_key6, 16)
171 __field(unsigned long, confirmed)
172 __field(unsigned long, updated)
173 __field(unsigned long, used)
174 __field(u32, err)
175 ),
176
177 TP_fast_assign(
178 int lladdr_len = (n->dev ? n->dev->addr_len : MAX_ADDR_LEN);
179 struct in6_addr *pin6;
180 __be32 *p32;
181
182 __entry->family = n->tbl->family;
183 __assign_str(dev);
184 __entry->lladdr_len = lladdr_len;
185 memcpy(__entry->lladdr, n->ha, lladdr_len);
186 __entry->flags = n->flags;
187 __entry->nud_state = n->nud_state;
188 __entry->type = n->type;
189 __entry->dead = n->dead;
190 __entry->refcnt = refcount_read(&n->refcnt);
191 pin6 = (struct in6_addr *)__entry->primary_key6;
192 p32 = (__be32 *)__entry->primary_key4;
193
194 if (n->tbl->family == AF_INET)
195 *p32 = *(__be32 *)n->primary_key;
196 else
197 *p32 = 0;
198
199#if IS_ENABLED(CONFIG_IPV6)
200 if (n->tbl->family == AF_INET6) {
201 pin6 = (struct in6_addr *)__entry->primary_key6;
202 *pin6 = *(struct in6_addr *)n->primary_key;
203 } else
204#endif
205 {
206 ipv6_addr_set_v4mapped(*p32, pin6);
207 }
208
209 __entry->confirmed = n->confirmed;
210 __entry->updated = n->updated;
211 __entry->used = n->used;
212 __entry->err = err;
213 ),
214
215 TP_printk("family %d dev %s lladdr %s flags %02x nud_state %s type %02x "
216 "dead %d refcnt %d primary_key4 %pI4 primary_key6 %pI6c "
217 "confirmed %lu updated %lu used %lu err %d",
218 __entry->family, __get_str(dev),
219 __print_hex_str(__entry->lladdr, __entry->lladdr_len),
220 __entry->flags, neigh_state_str(__entry->nud_state),
221 __entry->type, __entry->dead, __entry->refcnt,
222 __entry->primary_key4, __entry->primary_key6,
223 __entry->confirmed, __entry->updated, __entry->used,
224 __entry->err)
225);
226
227DEFINE_EVENT(neigh__update, neigh_update_done,
228 TP_PROTO(struct neighbour *neigh, int err),
229 TP_ARGS(neigh, err)
230);
231
232DEFINE_EVENT(neigh__update, neigh_timer_handler,
233 TP_PROTO(struct neighbour *neigh, int err),
234 TP_ARGS(neigh, err)
235);
236
237DEFINE_EVENT(neigh__update, neigh_event_send_done,
238 TP_PROTO(struct neighbour *neigh, int err),
239 TP_ARGS(neigh, err)
240);
241
242DEFINE_EVENT(neigh__update, neigh_event_send_dead,
243 TP_PROTO(struct neighbour *neigh, int err),
244 TP_ARGS(neigh, err)
245);
246
247DEFINE_EVENT(neigh__update, neigh_cleanup_and_release,
248 TP_PROTO(struct neighbour *neigh, int rc),
249 TP_ARGS(neigh, rc)
250);
251
252#endif /* _TRACE_NEIGH_H */
253
254/* This part must be outside protection */
255#include <trace/define_trace.h>
256