2 #define TRACE_SYSTEM tcp
4 #if !defined(_TRACE_TCP_H) || defined(TRACE_HEADER_MULTI_READ)
7 #include <linux/ipv6.h>
9 #include <linux/tracepoint.h>
12 #define tcp_state_name(state) { state, #state }
13 #define show_tcp_state_name(val) \
14 __print_symbolic(val, \
15 tcp_state_name(TCP_ESTABLISHED), \
16 tcp_state_name(TCP_SYN_SENT), \
17 tcp_state_name(TCP_SYN_RECV), \
18 tcp_state_name(TCP_FIN_WAIT1), \
19 tcp_state_name(TCP_FIN_WAIT2), \
20 tcp_state_name(TCP_TIME_WAIT), \
21 tcp_state_name(TCP_CLOSE), \
22 tcp_state_name(TCP_CLOSE_WAIT), \
23 tcp_state_name(TCP_LAST_ACK), \
24 tcp_state_name(TCP_LISTEN), \
25 tcp_state_name(TCP_CLOSING), \
26 tcp_state_name(TCP_NEW_SYN_RECV))
28 #define TP_STORE_V4MAPPED(__entry, saddr, daddr) \
30 struct in6_addr *pin6; \
32 pin6 = (struct in6_addr *)__entry->saddr_v6; \
33 ipv6_addr_set_v4mapped(saddr, pin6); \
34 pin6 = (struct in6_addr *)__entry->daddr_v6; \
35 ipv6_addr_set_v4mapped(daddr, pin6); \
38 #if IS_ENABLED(CONFIG_IPV6)
39 #define TP_STORE_ADDRS(__entry, saddr, daddr, saddr6, daddr6) \
41 if (sk->sk_family == AF_INET6) { \
42 struct in6_addr *pin6; \
44 pin6 = (struct in6_addr *)__entry->saddr_v6; \
46 pin6 = (struct in6_addr *)__entry->daddr_v6; \
49 TP_STORE_V4MAPPED(__entry, saddr, daddr); \
53 #define TP_STORE_ADDRS(__entry, saddr, daddr, saddr6, daddr6) \
54 TP_STORE_V4MAPPED(__entry, saddr, daddr)
58 * tcp event with arguments sk and skb
60 * Note: this class requires a valid sk pointer; while skb pointer could
63 DECLARE_EVENT_CLASS(tcp_event_sk_skb,
65 TP_PROTO(const struct sock *sk, const struct sk_buff *skb),
70 __field(const void *, skbaddr)
71 __field(const void *, skaddr)
74 __array(__u8, saddr, 4)
75 __array(__u8, daddr, 4)
76 __array(__u8, saddr_v6, 16)
77 __array(__u8, daddr_v6, 16)
81 struct inet_sock *inet = inet_sk(sk);
84 __entry->skbaddr = skb;
87 __entry->sport = ntohs(inet->inet_sport);
88 __entry->dport = ntohs(inet->inet_dport);
90 p32 = (__be32 *) __entry->saddr;
91 *p32 = inet->inet_saddr;
93 p32 = (__be32 *) __entry->daddr;
94 *p32 = inet->inet_daddr;
96 TP_STORE_ADDRS(__entry, inet->inet_saddr, inet->inet_daddr,
97 sk->sk_v6_rcv_saddr, sk->sk_v6_daddr);
100 TP_printk("sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c",
101 __entry->sport, __entry->dport, __entry->saddr, __entry->daddr,
102 __entry->saddr_v6, __entry->daddr_v6)
105 DEFINE_EVENT(tcp_event_sk_skb, tcp_retransmit_skb,
107 TP_PROTO(const struct sock *sk, const struct sk_buff *skb),
113 * skb of trace_tcp_send_reset is the skb that caused RST. In case of
114 * active reset, skb should be NULL
116 DEFINE_EVENT(tcp_event_sk_skb, tcp_send_reset,
118 TP_PROTO(const struct sock *sk, const struct sk_buff *skb),
124 * tcp event with arguments sk
126 * Note: this class requires a valid sk pointer.
128 DECLARE_EVENT_CLASS(tcp_event_sk,
130 TP_PROTO(const struct sock *sk),
135 __field(const void *, skaddr)
136 __field(__u16, sport)
137 __field(__u16, dport)
138 __array(__u8, saddr, 4)
139 __array(__u8, daddr, 4)
140 __array(__u8, saddr_v6, 16)
141 __array(__u8, daddr_v6, 16)
145 struct inet_sock *inet = inet_sk(sk);
148 __entry->skaddr = sk;
150 __entry->sport = ntohs(inet->inet_sport);
151 __entry->dport = ntohs(inet->inet_dport);
153 p32 = (__be32 *) __entry->saddr;
154 *p32 = inet->inet_saddr;
156 p32 = (__be32 *) __entry->daddr;
157 *p32 = inet->inet_daddr;
159 TP_STORE_ADDRS(__entry, inet->inet_saddr, inet->inet_daddr,
160 sk->sk_v6_rcv_saddr, sk->sk_v6_daddr);
163 TP_printk("sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c",
164 __entry->sport, __entry->dport,
165 __entry->saddr, __entry->daddr,
166 __entry->saddr_v6, __entry->daddr_v6)
169 DEFINE_EVENT(tcp_event_sk, tcp_receive_reset,
171 TP_PROTO(const struct sock *sk),
176 DEFINE_EVENT(tcp_event_sk, tcp_destroy_sock,
178 TP_PROTO(const struct sock *sk),
183 TRACE_EVENT(tcp_set_state,
185 TP_PROTO(const struct sock *sk, const int oldstate, const int newstate),
187 TP_ARGS(sk, oldstate, newstate),
190 __field(const void *, skaddr)
191 __field(int, oldstate)
192 __field(int, newstate)
193 __field(__u16, sport)
194 __field(__u16, dport)
195 __array(__u8, saddr, 4)
196 __array(__u8, daddr, 4)
197 __array(__u8, saddr_v6, 16)
198 __array(__u8, daddr_v6, 16)
202 struct inet_sock *inet = inet_sk(sk);
205 __entry->skaddr = sk;
206 __entry->oldstate = oldstate;
207 __entry->newstate = newstate;
209 __entry->sport = ntohs(inet->inet_sport);
210 __entry->dport = ntohs(inet->inet_dport);
212 p32 = (__be32 *) __entry->saddr;
213 *p32 = inet->inet_saddr;
215 p32 = (__be32 *) __entry->daddr;
216 *p32 = inet->inet_daddr;
218 TP_STORE_ADDRS(__entry, inet->inet_saddr, inet->inet_daddr,
219 sk->sk_v6_rcv_saddr, sk->sk_v6_daddr);
222 TP_printk("sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c oldstate=%s newstate=%s",
223 __entry->sport, __entry->dport,
224 __entry->saddr, __entry->daddr,
225 __entry->saddr_v6, __entry->daddr_v6,
226 show_tcp_state_name(__entry->oldstate),
227 show_tcp_state_name(__entry->newstate))
230 TRACE_EVENT(tcp_retransmit_synack,
232 TP_PROTO(const struct sock *sk, const struct request_sock *req),
237 __field(const void *, skaddr)
238 __field(const void *, req)
239 __field(__u16, sport)
240 __field(__u16, dport)
241 __array(__u8, saddr, 4)
242 __array(__u8, daddr, 4)
243 __array(__u8, saddr_v6, 16)
244 __array(__u8, daddr_v6, 16)
248 struct inet_request_sock *ireq = inet_rsk(req);
251 __entry->skaddr = sk;
254 __entry->sport = ireq->ir_num;
255 __entry->dport = ntohs(ireq->ir_rmt_port);
257 p32 = (__be32 *) __entry->saddr;
258 *p32 = ireq->ir_loc_addr;
260 p32 = (__be32 *) __entry->daddr;
261 *p32 = ireq->ir_rmt_addr;
263 TP_STORE_ADDRS(__entry, ireq->ir_loc_addr, ireq->ir_rmt_addr,
264 ireq->ir_v6_loc_addr, ireq->ir_v6_rmt_addr);
267 TP_printk("sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c",
268 __entry->sport, __entry->dport,
269 __entry->saddr, __entry->daddr,
270 __entry->saddr_v6, __entry->daddr_v6)
273 #endif /* _TRACE_TCP_H */
275 /* This part must be outside protection */
276 #include <trace/define_trace.h>