| Masami Hiramatsu | ee549be | 2017-12-29 11:47:55 +0900 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #undef TRACE_SYSTEM |
| 3 | #define TRACE_SYSTEM dccp |
| 4 | |
| 5 | #if !defined(_TRACE_DCCP_H) || defined(TRACE_HEADER_MULTI_READ) |
| 6 | #define _TRACE_DCCP_H |
| 7 | |
| 8 | #include <net/sock.h> |
| 9 | #include "dccp.h" |
| 10 | #include "ccids/ccid3.h" |
| 11 | #include <linux/tracepoint.h> |
| 12 | #include <trace/events/net_probe_common.h> |
| 13 | |
| 14 | TRACE_EVENT(dccp_probe, |
| 15 | |
| 16 | TP_PROTO(struct sock *sk, size_t size), |
| 17 | |
| 18 | TP_ARGS(sk, size), |
| 19 | |
| 20 | TP_STRUCT__entry( |
| 21 | /* sockaddr_in6 is always bigger than sockaddr_in */ |
| 22 | __array(__u8, saddr, sizeof(struct sockaddr_in6)) |
| 23 | __array(__u8, daddr, sizeof(struct sockaddr_in6)) |
| 24 | __field(__u16, sport) |
| 25 | __field(__u16, dport) |
| 26 | __field(__u16, size) |
| 27 | __field(__u16, tx_s) |
| 28 | __field(__u32, tx_rtt) |
| 29 | __field(__u32, tx_p) |
| 30 | __field(__u32, tx_x_calc) |
| 31 | __field(__u64, tx_x_recv) |
| 32 | __field(__u64, tx_x) |
| 33 | __field(__u32, tx_t_ipi) |
| 34 | ), |
| 35 | |
| 36 | TP_fast_assign( |
| 37 | const struct inet_sock *inet = inet_sk(sk); |
| 38 | struct ccid3_hc_tx_sock *hc = NULL; |
| 39 | |
| 40 | if (ccid_get_current_tx_ccid(dccp_sk(sk)) == DCCPC_CCID3) |
| 41 | hc = ccid3_hc_tx_sk(sk); |
| 42 | |
| 43 | memset(__entry->saddr, 0, sizeof(struct sockaddr_in6)); |
| 44 | memset(__entry->daddr, 0, sizeof(struct sockaddr_in6)); |
| 45 | |
| 46 | TP_STORE_ADDR_PORTS(__entry, inet, sk); |
| 47 | |
| 48 | /* For filtering use */ |
| 49 | __entry->sport = ntohs(inet->inet_sport); |
| 50 | __entry->dport = ntohs(inet->inet_dport); |
| 51 | |
| 52 | __entry->size = size; |
| 53 | if (hc) { |
| 54 | __entry->tx_s = hc->tx_s; |
| 55 | __entry->tx_rtt = hc->tx_rtt; |
| 56 | __entry->tx_p = hc->tx_p; |
| 57 | __entry->tx_x_calc = hc->tx_x_calc; |
| 58 | __entry->tx_x_recv = hc->tx_x_recv >> 6; |
| 59 | __entry->tx_x = hc->tx_x >> 6; |
| 60 | __entry->tx_t_ipi = hc->tx_t_ipi; |
| 61 | } else { |
| 62 | __entry->tx_s = 0; |
| 63 | memset(&__entry->tx_rtt, 0, (void *)&__entry->tx_t_ipi - |
| 64 | (void *)&__entry->tx_rtt + |
| 65 | sizeof(__entry->tx_t_ipi)); |
| 66 | } |
| 67 | ), |
| 68 | |
| 69 | TP_printk("src=%pISpc dest=%pISpc size=%d tx_s=%d tx_rtt=%d " |
| 70 | "tx_p=%d tx_x_calc=%u tx_x_recv=%llu tx_x=%llu tx_t_ipi=%d", |
| 71 | __entry->saddr, __entry->daddr, __entry->size, |
| 72 | __entry->tx_s, __entry->tx_rtt, __entry->tx_p, |
| 73 | __entry->tx_x_calc, __entry->tx_x_recv, __entry->tx_x, |
| 74 | __entry->tx_t_ipi) |
| 75 | ); |
| 76 | |
| 77 | #endif /* _TRACE_TCP_H */ |
| 78 | |
| 79 | /* This part must be outside protection */ |
| 80 | #undef TRACE_INCLUDE_PATH |
| 81 | #define TRACE_INCLUDE_PATH . |
| 82 | #undef TRACE_INCLUDE_FILE |
| 83 | #define TRACE_INCLUDE_FILE trace |
| 84 | #include <trace/define_trace.h> |