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