Line data Source code
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 :
14 : #define family_names \
15 : EM(AF_INET) \
16 : EMe(AF_INET6)
17 :
18 : /* The protocol traced by inet_sock_set_state */
19 : #define inet_protocol_names \
20 : EM(IPPROTO_TCP) \
21 : EM(IPPROTO_DCCP) \
22 : EM(IPPROTO_SCTP) \
23 : EMe(IPPROTO_MPTCP)
24 :
25 : #define tcp_state_names \
26 : EM(TCP_ESTABLISHED) \
27 : EM(TCP_SYN_SENT) \
28 : EM(TCP_SYN_RECV) \
29 : EM(TCP_FIN_WAIT1) \
30 : EM(TCP_FIN_WAIT2) \
31 : EM(TCP_TIME_WAIT) \
32 : EM(TCP_CLOSE) \
33 : EM(TCP_CLOSE_WAIT) \
34 : EM(TCP_LAST_ACK) \
35 : EM(TCP_LISTEN) \
36 : EM(TCP_CLOSING) \
37 : EMe(TCP_NEW_SYN_RECV)
38 :
39 : #define skmem_kind_names \
40 : EM(SK_MEM_SEND) \
41 : EMe(SK_MEM_RECV)
42 :
43 : /* enums need to be exported to user space */
44 : #undef EM
45 : #undef EMe
46 : #define EM(a) TRACE_DEFINE_ENUM(a);
47 : #define EMe(a) TRACE_DEFINE_ENUM(a);
48 :
49 : family_names
50 : inet_protocol_names
51 : tcp_state_names
52 : skmem_kind_names
53 :
54 : #undef EM
55 : #undef EMe
56 : #define EM(a) { a, #a },
57 : #define EMe(a) { a, #a }
58 :
59 : #define show_family_name(val) \
60 : __print_symbolic(val, family_names)
61 :
62 : #define show_inet_protocol_name(val) \
63 : __print_symbolic(val, inet_protocol_names)
64 :
65 : #define show_tcp_state_name(val) \
66 : __print_symbolic(val, tcp_state_names)
67 :
68 : #define show_skmem_kind_names(val) \
69 : __print_symbolic(val, skmem_kind_names)
70 :
71 0 : TRACE_EVENT(sock_rcvqueue_full,
72 :
73 : TP_PROTO(struct sock *sk, struct sk_buff *skb),
74 :
75 : TP_ARGS(sk, skb),
76 :
77 : TP_STRUCT__entry(
78 : __field(int, rmem_alloc)
79 : __field(unsigned int, truesize)
80 : __field(int, sk_rcvbuf)
81 : ),
82 :
83 : TP_fast_assign(
84 : __entry->rmem_alloc = atomic_read(&sk->sk_rmem_alloc);
85 : __entry->truesize = skb->truesize;
86 : __entry->sk_rcvbuf = READ_ONCE(sk->sk_rcvbuf);
87 : ),
88 :
89 : TP_printk("rmem_alloc=%d truesize=%u sk_rcvbuf=%d",
90 : __entry->rmem_alloc, __entry->truesize, __entry->sk_rcvbuf)
91 : );
92 :
93 0 : TRACE_EVENT(sock_exceed_buf_limit,
94 :
95 : TP_PROTO(struct sock *sk, struct proto *prot, long allocated, int kind),
96 :
97 : TP_ARGS(sk, prot, allocated, kind),
98 :
99 : TP_STRUCT__entry(
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)
108 : __field(int, kind)
109 : ),
110 :
111 : TP_fast_assign(
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;
121 : ),
122 :
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",
124 : __entry->name,
125 : __entry->sysctl_mem[0],
126 : __entry->sysctl_mem[1],
127 : __entry->sysctl_mem[2],
128 : __entry->allocated,
129 : __entry->sysctl_rmem,
130 : __entry->rmem_alloc,
131 : __entry->sysctl_wmem,
132 : __entry->wmem_alloc,
133 : __entry->wmem_queued,
134 : show_skmem_kind_names(__entry->kind)
135 : )
136 : );
137 :
138 42 : TRACE_EVENT(inet_sock_set_state,
139 :
140 : TP_PROTO(const struct sock *sk, const int oldstate, const int newstate),
141 :
142 : TP_ARGS(sk, oldstate, newstate),
143 :
144 : TP_STRUCT__entry(
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)
156 : ),
157 :
158 : TP_fast_assign(
159 : struct inet_sock *inet = inet_sk(sk);
160 : struct in6_addr *pin6;
161 : __be32 *p32;
162 :
163 : __entry->skaddr = sk;
164 : __entry->oldstate = oldstate;
165 : __entry->newstate = newstate;
166 :
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);
171 :
172 : p32 = (__be32 *) __entry->saddr;
173 : *p32 = inet->inet_saddr;
174 :
175 : p32 = (__be32 *) __entry->daddr;
176 : *p32 = inet->inet_daddr;
177 :
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;
184 : } else
185 : #endif
186 : {
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);
191 : }
192 : ),
193 :
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))
202 : );
203 :
204 : #endif /* _TRACE_SOCK_H */
205 :
206 : /* This part must be outside protection */
207 : #include <trace/define_trace.h>
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