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-rw-r--r--include/trace/events/sock.h209
1 files changed, 209 insertions, 0 deletions
diff --git a/include/trace/events/sock.h b/include/trace/events/sock.h
new file mode 100644
index 000000000..905b151bc
--- /dev/null
+++ b/include/trace/events/sock.h
@@ -0,0 +1,209 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM sock
+
+#if !defined(_TRACE_SOCK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_SOCK_H
+
+#include <net/sock.h>
+#include <net/ipv6.h>
+#include <linux/tracepoint.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+
+#define family_names \
+ EM(AF_INET) \
+ EMe(AF_INET6)
+
+/* The protocol traced by inet_sock_set_state */
+#define inet_protocol_names \
+ EM(IPPROTO_TCP) \
+ EM(IPPROTO_DCCP) \
+ EM(IPPROTO_SCTP) \
+ EMe(IPPROTO_MPTCP)
+
+#define tcp_state_names \
+ EM(TCP_ESTABLISHED) \
+ EM(TCP_SYN_SENT) \
+ EM(TCP_SYN_RECV) \
+ EM(TCP_FIN_WAIT1) \
+ EM(TCP_FIN_WAIT2) \
+ EM(TCP_TIME_WAIT) \
+ EM(TCP_CLOSE) \
+ EM(TCP_CLOSE_WAIT) \
+ EM(TCP_LAST_ACK) \
+ EM(TCP_LISTEN) \
+ EM(TCP_CLOSING) \
+ EMe(TCP_NEW_SYN_RECV)
+
+#define skmem_kind_names \
+ EM(SK_MEM_SEND) \
+ EMe(SK_MEM_RECV)
+
+/* enums need to be exported to user space */
+#undef EM
+#undef EMe
+#define EM(a) TRACE_DEFINE_ENUM(a);
+#define EMe(a) TRACE_DEFINE_ENUM(a);
+
+family_names
+inet_protocol_names
+tcp_state_names
+skmem_kind_names
+
+#undef EM
+#undef EMe
+#define EM(a) { a, #a },
+#define EMe(a) { a, #a }
+
+#define show_family_name(val) \
+ __print_symbolic(val, family_names)
+
+#define show_inet_protocol_name(val) \
+ __print_symbolic(val, inet_protocol_names)
+
+#define show_tcp_state_name(val) \
+ __print_symbolic(val, tcp_state_names)
+
+#define show_skmem_kind_names(val) \
+ __print_symbolic(val, skmem_kind_names)
+
+TRACE_EVENT(sock_rcvqueue_full,
+
+ TP_PROTO(struct sock *sk, struct sk_buff *skb),
+
+ TP_ARGS(sk, skb),
+
+ TP_STRUCT__entry(
+ __field(int, rmem_alloc)
+ __field(unsigned int, truesize)
+ __field(int, sk_rcvbuf)
+ ),
+
+ TP_fast_assign(
+ __entry->rmem_alloc = atomic_read(&sk->sk_rmem_alloc);
+ __entry->truesize = skb->truesize;
+ __entry->sk_rcvbuf = READ_ONCE(sk->sk_rcvbuf);
+ ),
+
+ TP_printk("rmem_alloc=%d truesize=%u sk_rcvbuf=%d",
+ __entry->rmem_alloc, __entry->truesize, __entry->sk_rcvbuf)
+);
+
+TRACE_EVENT(sock_exceed_buf_limit,
+
+ TP_PROTO(struct sock *sk, struct proto *prot, long allocated, int kind),
+
+ TP_ARGS(sk, prot, allocated, kind),
+
+ TP_STRUCT__entry(
+ __array(char, name, 32)
+ __array(long, sysctl_mem, 3)
+ __field(long, allocated)
+ __field(int, sysctl_rmem)
+ __field(int, rmem_alloc)
+ __field(int, sysctl_wmem)
+ __field(int, wmem_alloc)
+ __field(int, wmem_queued)
+ __field(int, kind)
+ ),
+
+ TP_fast_assign(
+ strncpy(__entry->name, prot->name, 32);
+ __entry->sysctl_mem[0] = READ_ONCE(prot->sysctl_mem[0]);
+ __entry->sysctl_mem[1] = READ_ONCE(prot->sysctl_mem[1]);
+ __entry->sysctl_mem[2] = READ_ONCE(prot->sysctl_mem[2]);
+ __entry->allocated = allocated;
+ __entry->sysctl_rmem = sk_get_rmem0(sk, prot);
+ __entry->rmem_alloc = atomic_read(&sk->sk_rmem_alloc);
+ __entry->sysctl_wmem = sk_get_wmem0(sk, prot);
+ __entry->wmem_alloc = refcount_read(&sk->sk_wmem_alloc);
+ __entry->wmem_queued = READ_ONCE(sk->sk_wmem_queued);
+ __entry->kind = kind;
+ ),
+
+ 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",
+ __entry->name,
+ __entry->sysctl_mem[0],
+ __entry->sysctl_mem[1],
+ __entry->sysctl_mem[2],
+ __entry->allocated,
+ __entry->sysctl_rmem,
+ __entry->rmem_alloc,
+ __entry->sysctl_wmem,
+ __entry->wmem_alloc,
+ __entry->wmem_queued,
+ show_skmem_kind_names(__entry->kind)
+ )
+);
+
+TRACE_EVENT(inet_sock_set_state,
+
+ TP_PROTO(const struct sock *sk, const int oldstate, const int newstate),
+
+ TP_ARGS(sk, oldstate, newstate),
+
+ TP_STRUCT__entry(
+ __field(const void *, skaddr)
+ __field(int, oldstate)
+ __field(int, newstate)
+ __field(__u16, sport)
+ __field(__u16, dport)
+ __field(__u16, family)
+ __field(__u16, protocol)
+ __array(__u8, saddr, 4)
+ __array(__u8, daddr, 4)
+ __array(__u8, saddr_v6, 16)
+ __array(__u8, daddr_v6, 16)
+ ),
+
+ TP_fast_assign(
+ struct inet_sock *inet = inet_sk(sk);
+ struct in6_addr *pin6;
+ __be32 *p32;
+
+ __entry->skaddr = sk;
+ __entry->oldstate = oldstate;
+ __entry->newstate = newstate;
+
+ __entry->family = sk->sk_family;
+ __entry->protocol = sk->sk_protocol;
+ __entry->sport = ntohs(inet->inet_sport);
+ __entry->dport = ntohs(inet->inet_dport);
+
+ p32 = (__be32 *) __entry->saddr;
+ *p32 = inet->inet_saddr;
+
+ p32 = (__be32 *) __entry->daddr;
+ *p32 = inet->inet_daddr;
+
+#if IS_ENABLED(CONFIG_IPV6)
+ if (sk->sk_family == AF_INET6) {
+ pin6 = (struct in6_addr *)__entry->saddr_v6;
+ *pin6 = sk->sk_v6_rcv_saddr;
+ pin6 = (struct in6_addr *)__entry->daddr_v6;
+ *pin6 = sk->sk_v6_daddr;
+ } else
+#endif
+ {
+ pin6 = (struct in6_addr *)__entry->saddr_v6;
+ ipv6_addr_set_v4mapped(inet->inet_saddr, pin6);
+ pin6 = (struct in6_addr *)__entry->daddr_v6;
+ ipv6_addr_set_v4mapped(inet->inet_daddr, pin6);
+ }
+ ),
+
+ TP_printk("family=%s protocol=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c oldstate=%s newstate=%s",
+ show_family_name(__entry->family),
+ show_inet_protocol_name(__entry->protocol),
+ __entry->sport, __entry->dport,
+ __entry->saddr, __entry->daddr,
+ __entry->saddr_v6, __entry->daddr_v6,
+ show_tcp_state_name(__entry->oldstate),
+ show_tcp_state_name(__entry->newstate))
+);
+
+#endif /* _TRACE_SOCK_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>