1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM sctp 4 5 #if !defined(_TRACE_SCTP_H) || defined(TRACE_HEADER_MULTI_READ) 6 #define _TRACE_SCTP_H 7 8 #include <net/sctp/structs.h> 9 #include <linux/tracepoint.h> 10 11 TRACE_EVENT(sctp_probe_path, 12 13 TP_PROTO(struct sctp_transport *sp, 14 const struct sctp_association *asoc), 15 16 TP_ARGS(sp, asoc), 17 18 TP_STRUCT__entry( 19 __field(__u64, asoc) 20 __field(__u32, primary) 21 __array(__u8, ipaddr, sizeof(union sctp_addr)) 22 __field(__u32, state) 23 __field(__u32, cwnd) 24 __field(__u32, ssthresh) 25 __field(__u32, flight_size) 26 __field(__u32, partial_bytes_acked) 27 __field(__u32, pathmtu) 28 ), 29 30 TP_fast_assign( 31 __entry->asoc = (unsigned long)asoc; 32 __entry->primary = (sp == asoc->peer.primary_path); 33 memcpy(__entry->ipaddr, &sp->ipaddr, sizeof(union sctp_addr)); 34 __entry->state = sp->state; 35 __entry->cwnd = sp->cwnd; 36 __entry->ssthresh = sp->ssthresh; 37 __entry->flight_size = sp->flight_size; 38 __entry->partial_bytes_acked = sp->partial_bytes_acked; 39 __entry->pathmtu = sp->pathmtu; 40 ), 41 42 TP_printk("asoc=%#llx%s ipaddr=%pISpc state=%u cwnd=%u ssthresh=%u " 43 "flight_size=%u partial_bytes_acked=%u pathmtu=%u", 44 __entry->asoc, __entry->primary ? "(*)" : "", 45 __entry->ipaddr, __entry->state, __entry->cwnd, 46 __entry->ssthresh, __entry->flight_size, 47 __entry->partial_bytes_acked, __entry->pathmtu) 48 ); 49 50 TRACE_EVENT(sctp_probe, 51 52 TP_PROTO(const struct sctp_endpoint *ep, 53 const struct sctp_association *asoc, 54 struct sctp_chunk *chunk), 55 56 TP_ARGS(ep, asoc, chunk), 57 58 TP_STRUCT__entry( 59 __field(__u64, asoc) 60 __field(__u32, mark) 61 __field(__u16, bind_port) 62 __field(__u16, peer_port) 63 __field(__u32, pathmtu) 64 __field(__u32, rwnd) 65 __field(__u16, unack_data) 66 ), 67 68 TP_fast_assign( 69 struct sk_buff *skb = chunk->skb; 70 71 __entry->asoc = (unsigned long)asoc; 72 __entry->mark = skb->mark; 73 __entry->bind_port = ep->base.bind_addr.port; 74 __entry->peer_port = asoc->peer.port; 75 __entry->pathmtu = asoc->pathmtu; 76 __entry->rwnd = asoc->peer.rwnd; 77 __entry->unack_data = asoc->unack_data; 78 79 if (trace_sctp_probe_path_enabled()) { 80 struct sctp_transport *sp; 81 82 list_for_each_entry(sp, &asoc->peer.transport_addr_list, 83 transports) { 84 trace_sctp_probe_path(sp, asoc); 85 } 86 } 87 ), 88 89 TP_printk("asoc=%#llx mark=%#x bind_port=%d peer_port=%d pathmtu=%d " 90 "rwnd=%u unack_data=%d", 91 __entry->asoc, __entry->mark, __entry->bind_port, 92 __entry->peer_port, __entry->pathmtu, __entry->rwnd, 93 __entry->unack_data) 94 ); 95 96 #endif /* _TRACE_SCTP_H */ 97 98 /* This part must be outside protection */ 99 #include <trace/define_trace.h> 100