| Cong Wang | e086101 | 2017-10-13 13:03:16 -0700 | [diff] [blame] | 1 | #undef TRACE_SYSTEM |
| 2 | #define TRACE_SYSTEM tcp |
| 3 | |
| 4 | #if !defined(_TRACE_TCP_H) || defined(TRACE_HEADER_MULTI_READ) |
| 5 | #define _TRACE_TCP_H |
| 6 | |
| 7 | #include <linux/ipv6.h> |
| 8 | #include <linux/tcp.h> |
| 9 | #include <linux/tracepoint.h> |
| 10 | #include <net/ipv6.h> |
| 11 | |
| 12 | TRACE_EVENT(tcp_retransmit_skb, |
| 13 | |
| 14 | TP_PROTO(struct sock *sk, struct sk_buff *skb), |
| 15 | |
| 16 | TP_ARGS(sk, skb), |
| 17 | |
| 18 | TP_STRUCT__entry( |
| 19 | __field(void *, skbaddr) |
| 20 | __field(void *, skaddr) |
| 21 | __field(__u16, sport) |
| 22 | __field(__u16, dport) |
| 23 | __array(__u8, saddr, 4) |
| 24 | __array(__u8, daddr, 4) |
| 25 | __array(__u8, saddr_v6, 16) |
| 26 | __array(__u8, daddr_v6, 16) |
| 27 | ), |
| 28 | |
| 29 | TP_fast_assign( |
| 30 | struct ipv6_pinfo *np = inet6_sk(sk); |
| 31 | struct inet_sock *inet = inet_sk(sk); |
| 32 | struct in6_addr *pin6; |
| 33 | __be32 *p32; |
| 34 | |
| 35 | __entry->skbaddr = skb; |
| 36 | __entry->skaddr = sk; |
| 37 | |
| 38 | __entry->sport = ntohs(inet->inet_sport); |
| 39 | __entry->dport = ntohs(inet->inet_dport); |
| 40 | |
| 41 | p32 = (__be32 *) __entry->saddr; |
| 42 | *p32 = inet->inet_saddr; |
| 43 | |
| 44 | p32 = (__be32 *) __entry->daddr; |
| 45 | *p32 = inet->inet_daddr; |
| 46 | |
| 47 | if (np) { |
| 48 | pin6 = (struct in6_addr *)__entry->saddr_v6; |
| 49 | *pin6 = np->saddr; |
| 50 | pin6 = (struct in6_addr *)__entry->daddr_v6; |
| 51 | *pin6 = *(np->daddr_cache); |
| 52 | } else { |
| 53 | pin6 = (struct in6_addr *)__entry->saddr_v6; |
| 54 | ipv6_addr_set_v4mapped(inet->inet_saddr, pin6); |
| 55 | pin6 = (struct in6_addr *)__entry->daddr_v6; |
| 56 | ipv6_addr_set_v4mapped(inet->inet_daddr, pin6); |
| 57 | } |
| 58 | ), |
| 59 | |
| 60 | TP_printk("sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6 daddrv6=%pI6", |
| 61 | __entry->sport, __entry->dport, __entry->saddr, __entry->daddr, |
| 62 | __entry->saddr_v6, __entry->daddr_v6) |
| 63 | ); |
| 64 | |
| 65 | #endif /* _TRACE_TCP_H */ |
| 66 | |
| 67 | /* This part must be outside protection */ |
| 68 | #include <trace/define_trace.h> |