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 \
24 #define tcp_state_names \
38 #define skmem_kind_names \
42 /* enums need to be exported to user space */
45 #define EM(a) TRACE_DEFINE_ENUM(a);
46 #define EMe(a) TRACE_DEFINE_ENUM(a);
55 #define EM(a) { a, #a },
56 #define EMe(a) { a, #a }
58 #define show_family_name(val) \
59 __print_symbolic(val, family_names)
61 #define show_inet_protocol_name(val) \
62 __print_symbolic(val, inet_protocol_names)
64 #define show_tcp_state_name(val) \
65 __print_symbolic(val, tcp_state_names)
67 #define show_skmem_kind_names(val) \
68 __print_symbolic(val, skmem_kind_names)
70 TRACE_EVENT(sock_rcvqueue_full,
72 TP_PROTO(struct sock *sk, struct sk_buff *skb),
77 __field(int, rmem_alloc)
78 __field(unsigned int, truesize)
79 __field(int, sk_rcvbuf)
83 __entry->rmem_alloc = atomic_read(&sk->sk_rmem_alloc);
84 __entry->truesize = skb->truesize;
85 __entry->sk_rcvbuf = sk->sk_rcvbuf;
88 TP_printk("rmem_alloc=%d truesize=%u sk_rcvbuf=%d",
89 __entry->rmem_alloc, __entry->truesize, __entry->sk_rcvbuf)
92 TRACE_EVENT(sock_exceed_buf_limit,
94 TP_PROTO(struct sock *sk, struct proto *prot, long allocated, int kind),
96 TP_ARGS(sk, prot, allocated, kind),
99 __array(char, name, 32)
100 __field(long *, sysctl_mem)
101 __field(long, allocated)
102 __field(int, sysctl_rmem)
103 __field(int, rmem_alloc)
104 __field(int, sysctl_wmem)
105 __field(int, wmem_alloc)
106 __field(int, wmem_queued)
111 strncpy(__entry->name, prot->name, 32);
112 __entry->sysctl_mem = prot->sysctl_mem;
113 __entry->allocated = allocated;
114 __entry->sysctl_rmem = sk_get_rmem0(sk, prot);
115 __entry->rmem_alloc = atomic_read(&sk->sk_rmem_alloc);
116 __entry->sysctl_wmem = sk_get_wmem0(sk, prot);
117 __entry->wmem_alloc = refcount_read(&sk->sk_wmem_alloc);
118 __entry->wmem_queued = sk->sk_wmem_queued;
119 __entry->kind = kind;
122 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->sysctl_mem[0],
125 __entry->sysctl_mem[1],
126 __entry->sysctl_mem[2],
128 __entry->sysctl_rmem,
130 __entry->sysctl_wmem,
132 __entry->wmem_queued,
133 show_skmem_kind_names(__entry->kind)
137 TRACE_EVENT(inet_sock_set_state,
139 TP_PROTO(const struct sock *sk, const int oldstate, const int newstate),
141 TP_ARGS(sk, oldstate, newstate),
144 __field(const void *, skaddr)
145 __field(int, oldstate)
146 __field(int, newstate)
147 __field(__u16, sport)
148 __field(__u16, dport)
149 __field(__u16, family)
150 __field(__u8, protocol)
151 __array(__u8, saddr, 4)
152 __array(__u8, daddr, 4)
153 __array(__u8, saddr_v6, 16)
154 __array(__u8, daddr_v6, 16)
158 struct inet_sock *inet = inet_sk(sk);
159 struct in6_addr *pin6;
162 __entry->skaddr = sk;
163 __entry->oldstate = oldstate;
164 __entry->newstate = newstate;
166 __entry->family = sk->sk_family;
167 __entry->protocol = sk->sk_protocol;
168 __entry->sport = ntohs(inet->inet_sport);
169 __entry->dport = ntohs(inet->inet_dport);
171 p32 = (__be32 *) __entry->saddr;
172 *p32 = inet->inet_saddr;
174 p32 = (__be32 *) __entry->daddr;
175 *p32 = inet->inet_daddr;
177 #if IS_ENABLED(CONFIG_IPV6)
178 if (sk->sk_family == AF_INET6) {
179 pin6 = (struct in6_addr *)__entry->saddr_v6;
180 *pin6 = sk->sk_v6_rcv_saddr;
181 pin6 = (struct in6_addr *)__entry->daddr_v6;
182 *pin6 = sk->sk_v6_daddr;
186 pin6 = (struct in6_addr *)__entry->saddr_v6;
187 ipv6_addr_set_v4mapped(inet->inet_saddr, pin6);
188 pin6 = (struct in6_addr *)__entry->daddr_v6;
189 ipv6_addr_set_v4mapped(inet->inet_daddr, pin6);
193 TP_printk("family=%s protocol=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c oldstate=%s newstate=%s",
194 show_family_name(__entry->family),
195 show_inet_protocol_name(__entry->protocol),
196 __entry->sport, __entry->dport,
197 __entry->saddr, __entry->daddr,
198 __entry->saddr_v6, __entry->daddr_v6,
199 show_tcp_state_name(__entry->oldstate),
200 show_tcp_state_name(__entry->newstate))
203 #endif /* _TRACE_SOCK_H */
205 /* This part must be outside protection */
206 #include <trace/define_trace.h>