diff options
Diffstat (limited to 'include/trace/events/sock.h')
| -rw-r--r-- | include/trace/events/sock.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/include/trace/events/sock.h b/include/trace/events/sock.h index ec4dade24466..3176a3931107 100644 --- a/include/trace/events/sock.h +++ b/include/trace/events/sock.h @@ -6,7 +6,58 @@ #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) \ + EMe(IPPROTO_SCTP) + +#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) + +/* 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 + +#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) TRACE_EVENT(sock_rcvqueue_full, @@ -63,6 +114,72 @@ TRACE_EVENT(sock_exceed_buf_limit, __entry->rmem_alloc) ); +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(__u8, 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 */ |