Orange Pi5 kernel

/* 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)
<------><------>__field(long *, sysctl_mem)
<------><------>__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 = prot->sysctl_mem;
<------><------>__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>