1 /* SPDX-License-Identifier: GPL-2.0 */
3 #define TRACE_SYSTEM sock
5 #if !defined(_TRACE_SOCK_H) || defined(TRACE_HEADER_MULTI_READ)
10 #include <linux/tracepoint.h>
11 #include <linux/ipv6.h>
12 #include <linux/tcp.h>
14 #define family_names \
18 /* The protocol traced by inet_sock_set_state */
19 #define inet_protocol_names \
25 #define tcp_state_names \
39 #define skmem_kind_names \
43 /* enums need to be exported to user space */
46 #define EM(a) TRACE_DEFINE_ENUM(a);
47 #define EMe(a) TRACE_DEFINE_ENUM(a);
56 #define EM(a) { a, #a },
57 #define EMe(a) { a, #a }
59 #define show_family_name(val) \
60 __print_symbolic(val, family_names)
62 #define show_inet_protocol_name(val) \
63 __print_symbolic(val, inet_protocol_names)
65 #define show_tcp_state_name(val) \
66 __print_symbolic(val, tcp_state_names)
68 #define show_skmem_kind_names(val) \
69 __print_symbolic(val, skmem_kind_names)
71 TRACE_EVENT(sock_rcvqueue_full,
73 TP_PROTO(struct sock *sk, struct sk_buff *skb),
78 __field(int, rmem_alloc)
79 __field(unsigned int, truesize)
80 __field(int, sk_rcvbuf)
84 __entry->rmem_alloc = atomic_read(&sk->sk_rmem_alloc);
85 __entry->truesize = skb->truesize;
86 __entry->sk_rcvbuf = READ_ONCE(sk->sk_rcvbuf);
89 TP_printk("rmem_alloc=%d truesize=%u sk_rcvbuf=%d",
90 __entry->rmem_alloc, __entry->truesize, __entry->sk_rcvbuf)
93 TRACE_EVENT(sock_exceed_buf_limit,
95 TP_PROTO(struct sock *sk, struct proto *prot, long allocated, int kind),
97 TP_ARGS(sk, prot, allocated, kind),
100 __array(char, name, 32)
101 __array(long, sysctl_mem, 3)
102 __field(long, allocated)
103 __field(int, sysctl_rmem)
104 __field(int, rmem_alloc)
105 __field(int, sysctl_wmem)
106 __field(int, wmem_alloc)
107 __field(int, wmem_queued)
112 strncpy(__entry->name, prot->name, 32);
113 __entry->sysctl_mem[0] = READ_ONCE(prot->sysctl_mem[0]);
114 __entry->sysctl_mem[1] = READ_ONCE(prot->sysctl_mem[1]);
115 __entry->sysctl_mem[2] = READ_ONCE(prot->sysctl_mem[2]);
116 __entry->allocated = allocated;
117 __entry->sysctl_rmem = sk_get_rmem0(sk, prot);
118 __entry->rmem_alloc = atomic_read(&sk->sk_rmem_alloc);
119 __entry->sysctl_wmem = sk_get_wmem0(sk, prot);
120 __entry->wmem_alloc = refcount_read(&sk->sk_wmem_alloc);
121 __entry->wmem_queued = READ_ONCE(sk->sk_wmem_queued);
122 __entry->kind = kind;
125 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->sysctl_mem[0],
128 __entry->sysctl_mem[1],
129 __entry->sysctl_mem[2],
131 __entry->sysctl_rmem,
133 __entry->sysctl_wmem,
135 __entry->wmem_queued,
136 show_skmem_kind_names(__entry->kind)
140 TRACE_EVENT(inet_sock_set_state,
142 TP_PROTO(const struct sock *sk, const int oldstate, const int newstate),
144 TP_ARGS(sk, oldstate, newstate),
147 __field(const void *, skaddr)
148 __field(int, oldstate)
149 __field(int, newstate)
150 __field(__u16, sport)
151 __field(__u16, dport)
152 __field(__u16, family)
153 __field(__u16, protocol)
154 __array(__u8, saddr, 4)
155 __array(__u8, daddr, 4)
156 __array(__u8, saddr_v6, 16)
157 __array(__u8, daddr_v6, 16)
161 struct inet_sock *inet = inet_sk(sk);
162 struct in6_addr *pin6;
165 __entry->skaddr = sk;
166 __entry->oldstate = oldstate;
167 __entry->newstate = newstate;
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);
174 p32 = (__be32 *) __entry->saddr;
175 *p32 = inet->inet_saddr;
177 p32 = (__be32 *) __entry->daddr;
178 *p32 = inet->inet_daddr;
180 #if IS_ENABLED(CONFIG_IPV6)
181 if (sk->sk_family == AF_INET6) {
182 pin6 = (struct in6_addr *)__entry->saddr_v6;
183 *pin6 = sk->sk_v6_rcv_saddr;
184 pin6 = (struct in6_addr *)__entry->daddr_v6;
185 *pin6 = sk->sk_v6_daddr;
189 pin6 = (struct in6_addr *)__entry->saddr_v6;
190 ipv6_addr_set_v4mapped(inet->inet_saddr, pin6);
191 pin6 = (struct in6_addr *)__entry->daddr_v6;
192 ipv6_addr_set_v4mapped(inet->inet_daddr, pin6);
196 TP_printk("family=%s protocol=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c oldstate=%s newstate=%s",
197 show_family_name(__entry->family),
198 show_inet_protocol_name(__entry->protocol),
199 __entry->sport, __entry->dport,
200 __entry->saddr, __entry->daddr,
201 __entry->saddr_v6, __entry->daddr_v6,
202 show_tcp_state_name(__entry->oldstate),
203 show_tcp_state_name(__entry->newstate))
206 TRACE_EVENT(inet_sk_error_report,
208 TP_PROTO(const struct sock *sk),
214 __field(__u16, sport)
215 __field(__u16, dport)
216 __field(__u16, family)
217 __field(__u16, protocol)
218 __array(__u8, saddr, 4)
219 __array(__u8, daddr, 4)
220 __array(__u8, saddr_v6, 16)
221 __array(__u8, daddr_v6, 16)
225 struct inet_sock *inet = inet_sk(sk);
226 struct in6_addr *pin6;
229 __entry->error = sk->sk_err;
230 __entry->family = sk->sk_family;
231 __entry->protocol = sk->sk_protocol;
232 __entry->sport = ntohs(inet->inet_sport);
233 __entry->dport = ntohs(inet->inet_dport);
235 p32 = (__be32 *) __entry->saddr;
236 *p32 = inet->inet_saddr;
238 p32 = (__be32 *) __entry->daddr;
239 *p32 = inet->inet_daddr;
241 #if IS_ENABLED(CONFIG_IPV6)
242 if (sk->sk_family == AF_INET6) {
243 pin6 = (struct in6_addr *)__entry->saddr_v6;
244 *pin6 = sk->sk_v6_rcv_saddr;
245 pin6 = (struct in6_addr *)__entry->daddr_v6;
246 *pin6 = sk->sk_v6_daddr;
250 pin6 = (struct in6_addr *)__entry->saddr_v6;
251 ipv6_addr_set_v4mapped(inet->inet_saddr, pin6);
252 pin6 = (struct in6_addr *)__entry->daddr_v6;
253 ipv6_addr_set_v4mapped(inet->inet_daddr, pin6);
257 TP_printk("family=%s protocol=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c error=%d",
258 show_family_name(__entry->family),
259 show_inet_protocol_name(__entry->protocol),
260 __entry->sport, __entry->dport,
261 __entry->saddr, __entry->daddr,
262 __entry->saddr_v6, __entry->daddr_v6,
266 #endif /* _TRACE_SOCK_H */
268 /* This part must be outside protection */
269 #include <trace/define_trace.h>