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1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM sock
4
5#if !defined(_TRACE_SOCK_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_SOCK_H
7
8#include <net/sock.h>
9#include <net/ipv6.h>
10#include <linux/tracepoint.h>
11#include <linux/ipv6.h>
12#include <linux/tcp.h>
13#include <trace/events/net_probe_common.h>
14
15#define family_names \
16 EM(AF_INET) \
17 EMe(AF_INET6)
18
19/* The protocol traced by inet_sock_set_state */
20#define inet_protocol_names \
21 EM(IPPROTO_TCP) \
22 EM(IPPROTO_DCCP) \
23 EM(IPPROTO_SCTP) \
24 EMe(IPPROTO_MPTCP)
25
26#define tcp_state_names \
27 EM(TCP_ESTABLISHED) \
28 EM(TCP_SYN_SENT) \
29 EM(TCP_SYN_RECV) \
30 EM(TCP_FIN_WAIT1) \
31 EM(TCP_FIN_WAIT2) \
32 EM(TCP_TIME_WAIT) \
33 EM(TCP_CLOSE) \
34 EM(TCP_CLOSE_WAIT) \
35 EM(TCP_LAST_ACK) \
36 EM(TCP_LISTEN) \
37 EM(TCP_CLOSING) \
38 EMe(TCP_NEW_SYN_RECV)
39
40#define skmem_kind_names \
41 EM(SK_MEM_SEND) \
42 EMe(SK_MEM_RECV)
43
44/* enums need to be exported to user space */
45#undef EM
46#undef EMe
47#define EM(a) TRACE_DEFINE_ENUM(a);
48#define EMe(a) TRACE_DEFINE_ENUM(a);
49
50family_names
51inet_protocol_names
52tcp_state_names
53skmem_kind_names
54
55#undef EM
56#undef EMe
57#define EM(a) { a, #a },
58#define EMe(a) { a, #a }
59
60#define show_family_name(val) \
61 __print_symbolic(val, family_names)
62
63#define show_inet_protocol_name(val) \
64 __print_symbolic(val, inet_protocol_names)
65
66#define show_tcp_state_name(val) \
67 __print_symbolic(val, tcp_state_names)
68
69#define show_skmem_kind_names(val) \
70 __print_symbolic(val, skmem_kind_names)
71
72TRACE_EVENT(sock_rcvqueue_full,
73
74 TP_PROTO(struct sock *sk, struct sk_buff *skb),
75
76 TP_ARGS(sk, skb),
77
78 TP_STRUCT__entry(
79 __field(int, rmem_alloc)
80 __field(unsigned int, truesize)
81 __field(int, sk_rcvbuf)
82 ),
83
84 TP_fast_assign(
85 __entry->rmem_alloc = atomic_read(&sk->sk_rmem_alloc);
86 __entry->truesize = skb->truesize;
87 __entry->sk_rcvbuf = READ_ONCE(sk->sk_rcvbuf);
88 ),
89
90 TP_printk("rmem_alloc=%d truesize=%u sk_rcvbuf=%d",
91 __entry->rmem_alloc, __entry->truesize, __entry->sk_rcvbuf)
92);
93
94TRACE_EVENT(sock_exceed_buf_limit,
95
96 TP_PROTO(struct sock *sk, struct proto *prot, long allocated, int kind),
97
98 TP_ARGS(sk, prot, allocated, kind),
99
100 TP_STRUCT__entry(
101 __array(char, name, 32)
102 __array(long, sysctl_mem, 3)
103 __field(long, allocated)
104 __field(int, sysctl_rmem)
105 __field(int, rmem_alloc)
106 __field(int, sysctl_wmem)
107 __field(int, wmem_alloc)
108 __field(int, wmem_queued)
109 __field(int, kind)
110 ),
111
112 TP_fast_assign(
113 strscpy(__entry->name, prot->name, 32);
114 __entry->sysctl_mem[0] = READ_ONCE(prot->sysctl_mem[0]);
115 __entry->sysctl_mem[1] = READ_ONCE(prot->sysctl_mem[1]);
116 __entry->sysctl_mem[2] = READ_ONCE(prot->sysctl_mem[2]);
117 __entry->allocated = allocated;
118 __entry->sysctl_rmem = sk_get_rmem0(sk, prot);
119 __entry->rmem_alloc = atomic_read(&sk->sk_rmem_alloc);
120 __entry->sysctl_wmem = sk_get_wmem0(sk, prot);
121 __entry->wmem_alloc = refcount_read(&sk->sk_wmem_alloc);
122 __entry->wmem_queued = READ_ONCE(sk->sk_wmem_queued);
123 __entry->kind = kind;
124 ),
125
126 TP_printk("proto:%s sysctl_mem=%ld,%ld,%ld allocated=%ld sysctl_rmem=%d rmem_alloc=%d sysctl_wmem=%d wmem_alloc=%d wmem_queued=%d kind=%s",
127 __entry->name,
128 __entry->sysctl_mem[0],
129 __entry->sysctl_mem[1],
130 __entry->sysctl_mem[2],
131 __entry->allocated,
132 __entry->sysctl_rmem,
133 __entry->rmem_alloc,
134 __entry->sysctl_wmem,
135 __entry->wmem_alloc,
136 __entry->wmem_queued,
137 show_skmem_kind_names(__entry->kind)
138 )
139);
140
141TRACE_EVENT(inet_sock_set_state,
142
143 TP_PROTO(const struct sock *sk, const int oldstate, const int newstate),
144
145 TP_ARGS(sk, oldstate, newstate),
146
147 TP_STRUCT__entry(
148 __field(const void *, skaddr)
149 __field(int, oldstate)
150 __field(int, newstate)
151 __field(__u16, sport)
152 __field(__u16, dport)
153 __field(__u16, family)
154 __field(__u16, protocol)
155 __array(__u8, saddr, 4)
156 __array(__u8, daddr, 4)
157 __array(__u8, saddr_v6, 16)
158 __array(__u8, daddr_v6, 16)
159 ),
160
161 TP_fast_assign(
162 const struct inet_sock *inet = inet_sk(sk);
163 __be32 *p32;
164
165 __entry->skaddr = sk;
166 __entry->oldstate = oldstate;
167 __entry->newstate = newstate;
168
169 __entry->family = sk->sk_family;
170 __entry->protocol = sk->sk_protocol;
171 __entry->sport = ntohs(inet->inet_sport);
172 __entry->dport = ntohs(inet->inet_dport);
173
174 p32 = (__be32 *) __entry->saddr;
175 *p32 = inet->inet_saddr;
176
177 p32 = (__be32 *) __entry->daddr;
178 *p32 = inet->inet_daddr;
179
180 TP_STORE_ADDRS(__entry, inet->inet_saddr, inet->inet_daddr,
181 sk->sk_v6_rcv_saddr, sk->sk_v6_daddr);
182 ),
183
184 TP_printk("family=%s protocol=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c oldstate=%s newstate=%s",
185 show_family_name(__entry->family),
186 show_inet_protocol_name(__entry->protocol),
187 __entry->sport, __entry->dport,
188 __entry->saddr, __entry->daddr,
189 __entry->saddr_v6, __entry->daddr_v6,
190 show_tcp_state_name(__entry->oldstate),
191 show_tcp_state_name(__entry->newstate))
192);
193
194TRACE_EVENT(inet_sk_error_report,
195
196 TP_PROTO(const struct sock *sk),
197
198 TP_ARGS(sk),
199
200 TP_STRUCT__entry(
201 __field(int, error)
202 __field(__u16, sport)
203 __field(__u16, dport)
204 __field(__u16, family)
205 __field(__u16, protocol)
206 __array(__u8, saddr, 4)
207 __array(__u8, daddr, 4)
208 __array(__u8, saddr_v6, 16)
209 __array(__u8, daddr_v6, 16)
210 ),
211
212 TP_fast_assign(
213 const struct inet_sock *inet = inet_sk(sk);
214 __be32 *p32;
215
216 __entry->error = sk->sk_err;
217 __entry->family = sk->sk_family;
218 __entry->protocol = sk->sk_protocol;
219 __entry->sport = ntohs(inet->inet_sport);
220 __entry->dport = ntohs(inet->inet_dport);
221
222 p32 = (__be32 *) __entry->saddr;
223 *p32 = inet->inet_saddr;
224
225 p32 = (__be32 *) __entry->daddr;
226 *p32 = inet->inet_daddr;
227
228 TP_STORE_ADDRS(__entry, inet->inet_saddr, inet->inet_daddr,
229 sk->sk_v6_rcv_saddr, sk->sk_v6_daddr);
230 ),
231
232 TP_printk("family=%s protocol=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c error=%d",
233 show_family_name(__entry->family),
234 show_inet_protocol_name(__entry->protocol),
235 __entry->sport, __entry->dport,
236 __entry->saddr, __entry->daddr,
237 __entry->saddr_v6, __entry->daddr_v6,
238 __entry->error)
239);
240
241TRACE_EVENT(sk_data_ready,
242
243 TP_PROTO(const struct sock *sk),
244
245 TP_ARGS(sk),
246
247 TP_STRUCT__entry(
248 __field(const void *, skaddr)
249 __field(__u16, family)
250 __field(__u16, protocol)
251 __field(unsigned long, ip)
252 ),
253
254 TP_fast_assign(
255 __entry->skaddr = sk;
256 __entry->family = sk->sk_family;
257 __entry->protocol = sk->sk_protocol;
258 __entry->ip = _RET_IP_;
259 ),
260
261 TP_printk("family=%u protocol=%u func=%ps",
262 __entry->family, __entry->protocol, (void *)__entry->ip)
263);
264
265/*
266 * sock send/recv msg length
267 */
268DECLARE_EVENT_CLASS(sock_msg_length,
269
270 TP_PROTO(struct sock *sk, int ret, int flags),
271
272 TP_ARGS(sk, ret, flags),
273
274 TP_STRUCT__entry(
275 __field(void *, sk)
276 __field(__u16, family)
277 __field(__u16, protocol)
278 __field(int, ret)
279 __field(int, flags)
280 ),
281
282 TP_fast_assign(
283 __entry->sk = sk;
284 __entry->family = sk->sk_family;
285 __entry->protocol = sk->sk_protocol;
286 __entry->ret = ret;
287 __entry->flags = flags;
288 ),
289
290 TP_printk("sk address = %p, family = %s protocol = %s, length = %d, error = %d, flags = 0x%x",
291 __entry->sk, show_family_name(__entry->family),
292 show_inet_protocol_name(__entry->protocol),
293 !(__entry->flags & MSG_PEEK) ?
294 (__entry->ret > 0 ? __entry->ret : 0) : 0,
295 __entry->ret < 0 ? __entry->ret : 0,
296 __entry->flags)
297);
298
299DEFINE_EVENT(sock_msg_length, sock_send_length,
300 TP_PROTO(struct sock *sk, int ret, int flags),
301
302 TP_ARGS(sk, ret, flags)
303);
304
305DEFINE_EVENT(sock_msg_length, sock_recv_length,
306 TP_PROTO(struct sock *sk, int ret, int flags),
307
308 TP_ARGS(sk, ret, flags)
309);
310#endif /* _TRACE_SOCK_H */
311
312/* This part must be outside protection */
313#include <trace/define_trace.h>
1#undef TRACE_SYSTEM
2#define TRACE_SYSTEM sock
3
4#if !defined(_TRACE_SOCK_H) || defined(TRACE_HEADER_MULTI_READ)
5#define _TRACE_SOCK_H
6
7#include <net/sock.h>
8#include <linux/tracepoint.h>
9
10TRACE_EVENT(sock_rcvqueue_full,
11
12 TP_PROTO(struct sock *sk, struct sk_buff *skb),
13
14 TP_ARGS(sk, skb),
15
16 TP_STRUCT__entry(
17 __field(int, rmem_alloc)
18 __field(unsigned int, truesize)
19 __field(int, sk_rcvbuf)
20 ),
21
22 TP_fast_assign(
23 __entry->rmem_alloc = atomic_read(&sk->sk_rmem_alloc);
24 __entry->truesize = skb->truesize;
25 __entry->sk_rcvbuf = sk->sk_rcvbuf;
26 ),
27
28 TP_printk("rmem_alloc=%d truesize=%u sk_rcvbuf=%d",
29 __entry->rmem_alloc, __entry->truesize, __entry->sk_rcvbuf)
30);
31
32TRACE_EVENT(sock_exceed_buf_limit,
33
34 TP_PROTO(struct sock *sk, struct proto *prot, long allocated),
35
36 TP_ARGS(sk, prot, allocated),
37
38 TP_STRUCT__entry(
39 __array(char, name, 32)
40 __field(long *, sysctl_mem)
41 __field(long, allocated)
42 __field(int, sysctl_rmem)
43 __field(int, rmem_alloc)
44 ),
45
46 TP_fast_assign(
47 strncpy(__entry->name, prot->name, 32);
48 __entry->sysctl_mem = prot->sysctl_mem;
49 __entry->allocated = allocated;
50 __entry->sysctl_rmem = prot->sysctl_rmem[0];
51 __entry->rmem_alloc = atomic_read(&sk->sk_rmem_alloc);
52 ),
53
54 TP_printk("proto:%s sysctl_mem=%ld,%ld,%ld allocated=%ld "
55 "sysctl_rmem=%d rmem_alloc=%d",
56 __entry->name,
57 __entry->sysctl_mem[0],
58 __entry->sysctl_mem[1],
59 __entry->sysctl_mem[2],
60 __entry->allocated,
61 __entry->sysctl_rmem,
62 __entry->rmem_alloc)
63);
64
65#endif /* _TRACE_SOCK_H */
66
67/* This part must be outside protection */
68#include <trace/define_trace.h>