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 __field(long *, sysctl_mem)
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 = prot->sysctl_mem;
114 __entry->allocated = allocated;
115 __entry->sysctl_rmem = sk_get_rmem0(sk, prot);
116 __entry->rmem_alloc = atomic_read(&sk->sk_rmem_alloc);
117 __entry->sysctl_wmem = sk_get_wmem0(sk, prot);
118 __entry->wmem_alloc = refcount_read(&sk->sk_wmem_alloc);
119 __entry->wmem_queued = READ_ONCE(sk->sk_wmem_queued);
120 __entry->kind = kind;
123 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",
125 __entry->sysctl_mem[0],
126 __entry->sysctl_mem[1],
127 __entry->sysctl_mem[2],
129 __entry->sysctl_rmem,
131 __entry->sysctl_wmem,
133 __entry->wmem_queued,
134 show_skmem_kind_names(__entry->kind)
138 TRACE_EVENT(inet_sock_set_state,
140 TP_PROTO(const struct sock *sk, const int oldstate, const int newstate),
142 TP_ARGS(sk, oldstate, newstate),
145 __field(const void *, skaddr)
146 __field(int, oldstate)
147 __field(int, newstate)
148 __field(__u16, sport)
149 __field(__u16, dport)
150 __field(__u16, family)
151 __field(__u16, protocol)
152 __array(__u8, saddr, 4)
153 __array(__u8, daddr, 4)
154 __array(__u8, saddr_v6, 16)
155 __array(__u8, daddr_v6, 16)
159 struct inet_sock *inet = inet_sk(sk);
160 struct in6_addr *pin6;
163 __entry->skaddr = sk;
164 __entry->oldstate = oldstate;
165 __entry->newstate = newstate;
167 __entry->family = sk->sk_family;
168 __entry->protocol = sk->sk_protocol;
169 __entry->sport = ntohs(inet->inet_sport);
170 __entry->dport = ntohs(inet->inet_dport);
172 p32 = (__be32 *) __entry->saddr;
173 *p32 = inet->inet_saddr;
175 p32 = (__be32 *) __entry->daddr;
176 *p32 = inet->inet_daddr;
178 #if IS_ENABLED(CONFIG_IPV6)
179 if (sk->sk_family == AF_INET6) {
180 pin6 = (struct in6_addr *)__entry->saddr_v6;
181 *pin6 = sk->sk_v6_rcv_saddr;
182 pin6 = (struct in6_addr *)__entry->daddr_v6;
183 *pin6 = sk->sk_v6_daddr;
187 pin6 = (struct in6_addr *)__entry->saddr_v6;
188 ipv6_addr_set_v4mapped(inet->inet_saddr, pin6);
189 pin6 = (struct in6_addr *)__entry->daddr_v6;
190 ipv6_addr_set_v4mapped(inet->inet_daddr, pin6);
194 TP_printk("family=%s protocol=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c oldstate=%s newstate=%s",
195 show_family_name(__entry->family),
196 show_inet_protocol_name(__entry->protocol),
197 __entry->sport, __entry->dport,
198 __entry->saddr, __entry->daddr,
199 __entry->saddr_v6, __entry->daddr_v6,
200 show_tcp_state_name(__entry->oldstate),
201 show_tcp_state_name(__entry->newstate))
204 TRACE_EVENT(inet_sk_error_report,
206 TP_PROTO(const struct sock *sk),
212 __field(__u16, sport)
213 __field(__u16, dport)
214 __field(__u16, family)
215 __field(__u16, protocol)
216 __array(__u8, saddr, 4)
217 __array(__u8, daddr, 4)
218 __array(__u8, saddr_v6, 16)
219 __array(__u8, daddr_v6, 16)
223 struct inet_sock *inet = inet_sk(sk);
224 struct in6_addr *pin6;
227 __entry->error = sk->sk_err;
228 __entry->family = sk->sk_family;
229 __entry->protocol = sk->sk_protocol;
230 __entry->sport = ntohs(inet->inet_sport);
231 __entry->dport = ntohs(inet->inet_dport);
233 p32 = (__be32 *) __entry->saddr;
234 *p32 = inet->inet_saddr;
236 p32 = (__be32 *) __entry->daddr;
237 *p32 = inet->inet_daddr;
239 #if IS_ENABLED(CONFIG_IPV6)
240 if (sk->sk_family == AF_INET6) {
241 pin6 = (struct in6_addr *)__entry->saddr_v6;
242 *pin6 = sk->sk_v6_rcv_saddr;
243 pin6 = (struct in6_addr *)__entry->daddr_v6;
244 *pin6 = sk->sk_v6_daddr;
248 pin6 = (struct in6_addr *)__entry->saddr_v6;
249 ipv6_addr_set_v4mapped(inet->inet_saddr, pin6);
250 pin6 = (struct in6_addr *)__entry->daddr_v6;
251 ipv6_addr_set_v4mapped(inet->inet_daddr, pin6);
255 TP_printk("family=%s protocol=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c error=%d",
256 show_family_name(__entry->family),
257 show_inet_protocol_name(__entry->protocol),
258 __entry->sport, __entry->dport,
259 __entry->saddr, __entry->daddr,
260 __entry->saddr_v6, __entry->daddr_v6,
264 #endif /* _TRACE_SOCK_H */
266 /* This part must be outside protection */
267 #include <trace/define_trace.h>