cregit-Linux how code gets into the kernel

Release 4.12 include/trace/events/rxrpc.h

/* AF_RXRPC tracepoints
 *
 * Copyright (C) 2016 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */

#undef TRACE_SYSTEM

#define TRACE_SYSTEM rxrpc

#if !defined(_TRACE_RXRPC_H) || defined(TRACE_HEADER_MULTI_READ)

#define _TRACE_RXRPC_H

#include <linux/tracepoint.h>

/*
 * Define enums for tracing information.
 *
 * These should all be kept sorted, making it easier to match the string
 * mapping tables further on.
 */
#ifndef __RXRPC_DECLARE_TRACE_ENUMS_ONCE_ONLY

#define __RXRPC_DECLARE_TRACE_ENUMS_ONCE_ONLY


enum rxrpc_skb_trace {
	
rxrpc_skb_rx_cleaned,
	
rxrpc_skb_rx_freed,
	
rxrpc_skb_rx_got,
	
rxrpc_skb_rx_lost,
	
rxrpc_skb_rx_purged,
	
rxrpc_skb_rx_received,
	
rxrpc_skb_rx_rotated,
	
rxrpc_skb_rx_seen,
	
rxrpc_skb_tx_cleaned,
	
rxrpc_skb_tx_freed,
	
rxrpc_skb_tx_got,
	
rxrpc_skb_tx_new,
	
rxrpc_skb_tx_rotated,
	
rxrpc_skb_tx_seen,
};


enum rxrpc_conn_trace {
	
rxrpc_conn_got,
	
rxrpc_conn_new_client,
	
rxrpc_conn_new_service,
	
rxrpc_conn_put_client,
	
rxrpc_conn_put_service,
	
rxrpc_conn_queued,
	
rxrpc_conn_seen,
};


enum rxrpc_client_trace {
	
rxrpc_client_activate_chans,
	
rxrpc_client_alloc,
	
rxrpc_client_chan_activate,
	
rxrpc_client_chan_disconnect,
	
rxrpc_client_chan_pass,
	
rxrpc_client_chan_unstarted,
	
rxrpc_client_cleanup,
	
rxrpc_client_count,
	
rxrpc_client_discard,
	
rxrpc_client_duplicate,
	
rxrpc_client_exposed,
	
rxrpc_client_replace,
	
rxrpc_client_to_active,
	
rxrpc_client_to_culled,
	
rxrpc_client_to_idle,
	
rxrpc_client_to_inactive,
	
rxrpc_client_to_upgrade,
	
rxrpc_client_to_waiting,
	
rxrpc_client_uncount,
};


enum rxrpc_call_trace {
	
rxrpc_call_connected,
	
rxrpc_call_error,
	
rxrpc_call_got,
	
rxrpc_call_got_kernel,
	
rxrpc_call_got_userid,
	
rxrpc_call_new_client,
	
rxrpc_call_new_service,
	
rxrpc_call_put,
	
rxrpc_call_put_kernel,
	
rxrpc_call_put_noqueue,
	
rxrpc_call_put_userid,
	
rxrpc_call_queued,
	
rxrpc_call_queued_ref,
	
rxrpc_call_release,
	
rxrpc_call_seen,
};


enum rxrpc_transmit_trace {
	
rxrpc_transmit_await_reply,
	
rxrpc_transmit_end,
	
rxrpc_transmit_queue,
	
rxrpc_transmit_queue_last,
	
rxrpc_transmit_rotate,
	
rxrpc_transmit_rotate_last,
	
rxrpc_transmit_wait,
};


enum rxrpc_receive_trace {
	
rxrpc_receive_end,
	
rxrpc_receive_front,
	
rxrpc_receive_incoming,
	
rxrpc_receive_queue,
	
rxrpc_receive_queue_last,
	
rxrpc_receive_rotate,
};


enum rxrpc_recvmsg_trace {
	
rxrpc_recvmsg_cont,
	
rxrpc_recvmsg_data_return,
	
rxrpc_recvmsg_dequeue,
	
rxrpc_recvmsg_enter,
	
rxrpc_recvmsg_full,
	
rxrpc_recvmsg_hole,
	
rxrpc_recvmsg_next,
	
rxrpc_recvmsg_requeue,
	
rxrpc_recvmsg_return,
	
rxrpc_recvmsg_terminal,
	
rxrpc_recvmsg_to_be_accepted,
	
rxrpc_recvmsg_wait,
};


enum rxrpc_rtt_tx_trace {
	
rxrpc_rtt_tx_data,
	
rxrpc_rtt_tx_ping,
};


enum rxrpc_rtt_rx_trace {
	
rxrpc_rtt_rx_ping_response,
	
rxrpc_rtt_rx_requested_ack,
};


enum rxrpc_timer_trace {
	
rxrpc_timer_begin,
	
rxrpc_timer_expired,
	
rxrpc_timer_init_for_reply,
	
rxrpc_timer_init_for_send_reply,
	
rxrpc_timer_set_for_ack,
	
rxrpc_timer_set_for_ping,
	
rxrpc_timer_set_for_resend,
	
rxrpc_timer_set_for_send,
};


enum rxrpc_propose_ack_trace {
	
rxrpc_propose_ack_client_tx_end,
	
rxrpc_propose_ack_input_data,
	
rxrpc_propose_ack_ping_for_lost_ack,
	
rxrpc_propose_ack_ping_for_lost_reply,
	
rxrpc_propose_ack_ping_for_params,
	
rxrpc_propose_ack_processing_op,
	
rxrpc_propose_ack_respond_to_ack,
	
rxrpc_propose_ack_respond_to_ping,
	
rxrpc_propose_ack_retry_tx,
	
rxrpc_propose_ack_rotate_rx,
	
rxrpc_propose_ack_terminal_ack,
};


enum rxrpc_propose_ack_outcome {
	
rxrpc_propose_ack_subsume,
	
rxrpc_propose_ack_update,
	
rxrpc_propose_ack_use,
};


enum rxrpc_congest_change {
	
rxrpc_cong_begin_retransmission,
	
rxrpc_cong_cleared_nacks,
	
rxrpc_cong_new_low_nack,
	
rxrpc_cong_no_change,
	
rxrpc_cong_progress,
	
rxrpc_cong_retransmit_again,
	
rxrpc_cong_rtt_window_end,
	
rxrpc_cong_saw_nack,
};

#endif /* end __RXRPC_DECLARE_TRACE_ENUMS_ONCE_ONLY */

/*
 * Declare tracing information enums and their string mappings for display.
 */

#define rxrpc_skb_traces \
	EM(rxrpc_skb_rx_cleaned,                "Rx CLN") \
        EM(rxrpc_skb_rx_freed,                  "Rx FRE") \
        EM(rxrpc_skb_rx_got,                    "Rx GOT") \
        EM(rxrpc_skb_rx_lost,                   "Rx *L*") \
        EM(rxrpc_skb_rx_purged,                 "Rx PUR") \
        EM(rxrpc_skb_rx_received,               "Rx RCV") \
        EM(rxrpc_skb_rx_rotated,                "Rx ROT") \
        EM(rxrpc_skb_rx_seen,                   "Rx SEE") \
        EM(rxrpc_skb_tx_cleaned,                "Tx CLN") \
        EM(rxrpc_skb_tx_freed,                  "Tx FRE") \
        EM(rxrpc_skb_tx_got,                    "Tx GOT") \
        EM(rxrpc_skb_tx_new,                    "Tx NEW") \
        EM(rxrpc_skb_tx_rotated,                "Tx ROT") \
        E_(rxrpc_skb_tx_seen,                   "Tx SEE")


#define rxrpc_conn_traces \
	EM(rxrpc_conn_got,                      "GOT") \
        EM(rxrpc_conn_new_client,               "NWc") \
        EM(rxrpc_conn_new_service,              "NWs") \
        EM(rxrpc_conn_put_client,               "PTc") \
        EM(rxrpc_conn_put_service,              "PTs") \
        EM(rxrpc_conn_queued,                   "QUE") \
        E_(rxrpc_conn_seen,                     "SEE")


#define rxrpc_client_traces \
	EM(rxrpc_client_activate_chans,         "Activa") \
        EM(rxrpc_client_alloc,                  "Alloc ") \
        EM(rxrpc_client_chan_activate,          "ChActv") \
        EM(rxrpc_client_chan_disconnect,        "ChDisc") \
        EM(rxrpc_client_chan_pass,              "ChPass") \
        EM(rxrpc_client_chan_unstarted,         "ChUnst") \
        EM(rxrpc_client_cleanup,                "Clean ") \
        EM(rxrpc_client_count,                  "Count ") \
        EM(rxrpc_client_discard,                "Discar") \
        EM(rxrpc_client_duplicate,              "Duplic") \
        EM(rxrpc_client_exposed,                "Expose") \
        EM(rxrpc_client_replace,                "Replac") \
        EM(rxrpc_client_to_active,              "->Actv") \
        EM(rxrpc_client_to_culled,              "->Cull") \
        EM(rxrpc_client_to_idle,                "->Idle") \
        EM(rxrpc_client_to_inactive,            "->Inac") \
        EM(rxrpc_client_to_upgrade,             "->Upgd") \
        EM(rxrpc_client_to_waiting,             "->Wait") \
        E_(rxrpc_client_uncount,                "Uncoun")


#define rxrpc_conn_cache_states \
	EM(RXRPC_CONN_CLIENT_INACTIVE,          "Inac") \
        EM(RXRPC_CONN_CLIENT_WAITING,           "Wait") \
        EM(RXRPC_CONN_CLIENT_ACTIVE,            "Actv") \
        EM(RXRPC_CONN_CLIENT_CULLED,            "Cull") \
        E_(RXRPC_CONN_CLIENT_IDLE,              "Idle") \

#define rxrpc_call_traces \
        EM(rxrpc_call_connected,                "CON") \
        EM(rxrpc_call_error,                    "*E*") \
        EM(rxrpc_call_got,                      "GOT") \
        EM(rxrpc_call_got_kernel,               "Gke") \
        EM(rxrpc_call_got_userid,               "Gus") \
        EM(rxrpc_call_new_client,               "NWc") \
        EM(rxrpc_call_new_service,              "NWs") \
        EM(rxrpc_call_put,                      "PUT") \
        EM(rxrpc_call_put_kernel,               "Pke") \
        EM(rxrpc_call_put_noqueue,              "PNQ") \
        EM(rxrpc_call_put_userid,               "Pus") \
        EM(rxrpc_call_queued,                   "QUE") \
        EM(rxrpc_call_queued_ref,               "QUR") \
        EM(rxrpc_call_release,                  "RLS") \
        E_(rxrpc_call_seen,                     "SEE")


#define rxrpc_transmit_traces \
	EM(rxrpc_transmit_await_reply,          "AWR") \
        EM(rxrpc_transmit_end,                  "END") \
        EM(rxrpc_transmit_queue,                "QUE") \
        EM(rxrpc_transmit_queue_last,           "QLS") \
        EM(rxrpc_transmit_rotate,               "ROT") \
        EM(rxrpc_transmit_rotate_last,          "RLS") \
        E_(rxrpc_transmit_wait,                 "WAI")


#define rxrpc_receive_traces \
	EM(rxrpc_receive_end,                   "END") \
        EM(rxrpc_receive_front,                 "FRN") \
        EM(rxrpc_receive_incoming,              "INC") \
        EM(rxrpc_receive_queue,                 "QUE") \
        EM(rxrpc_receive_queue_last,            "QLS") \
        E_(rxrpc_receive_rotate,                "ROT")


#define rxrpc_recvmsg_traces \
	EM(rxrpc_recvmsg_cont,                  "CONT") \
        EM(rxrpc_recvmsg_data_return,           "DATA") \
        EM(rxrpc_recvmsg_dequeue,               "DEQU") \
        EM(rxrpc_recvmsg_enter,                 "ENTR") \
        EM(rxrpc_recvmsg_full,                  "FULL") \
        EM(rxrpc_recvmsg_hole,                  "HOLE") \
        EM(rxrpc_recvmsg_next,                  "NEXT") \
        EM(rxrpc_recvmsg_requeue,               "REQU") \
        EM(rxrpc_recvmsg_return,                "RETN") \
        EM(rxrpc_recvmsg_terminal,              "TERM") \
        EM(rxrpc_recvmsg_to_be_accepted,        "TBAC") \
        E_(rxrpc_recvmsg_wait,                  "WAIT")


#define rxrpc_rtt_tx_traces \
	EM(rxrpc_rtt_tx_data,                   "DATA") \
        E_(rxrpc_rtt_tx_ping,                   "PING")


#define rxrpc_rtt_rx_traces \
	EM(rxrpc_rtt_rx_ping_response,          "PONG") \
        E_(rxrpc_rtt_rx_requested_ack,          "RACK")


#define rxrpc_timer_traces \
	EM(rxrpc_timer_begin,                   "Begin ") \
        EM(rxrpc_timer_expired,                 "*EXPR*") \
        EM(rxrpc_timer_init_for_reply,          "IniRpl") \
        EM(rxrpc_timer_init_for_send_reply,     "SndRpl") \
        EM(rxrpc_timer_set_for_ack,             "SetAck") \
        EM(rxrpc_timer_set_for_ping,            "SetPng") \
        EM(rxrpc_timer_set_for_resend,          "SetRTx") \
        E_(rxrpc_timer_set_for_send,            "SetTx ")


#define rxrpc_propose_ack_traces \
	EM(rxrpc_propose_ack_client_tx_end,     "ClTxEnd") \
        EM(rxrpc_propose_ack_input_data,        "DataIn ") \
        EM(rxrpc_propose_ack_ping_for_lost_ack, "LostAck") \
        EM(rxrpc_propose_ack_ping_for_lost_reply, "LostRpl") \
        EM(rxrpc_propose_ack_ping_for_params,   "Params ") \
        EM(rxrpc_propose_ack_processing_op,     "ProcOp ") \
        EM(rxrpc_propose_ack_respond_to_ack,    "Rsp2Ack") \
        EM(rxrpc_propose_ack_respond_to_ping,   "Rsp2Png") \
        EM(rxrpc_propose_ack_retry_tx,          "RetryTx") \
        EM(rxrpc_propose_ack_rotate_rx,         "RxAck  ") \
        E_(rxrpc_propose_ack_terminal_ack,      "ClTerm ")


#define rxrpc_propose_ack_outcomes \
	EM(rxrpc_propose_ack_subsume,           " Subsume") \
        EM(rxrpc_propose_ack_update,            " Update") \
        E_(rxrpc_propose_ack_use,               "")


#define rxrpc_congest_modes \
	EM(RXRPC_CALL_CONGEST_AVOIDANCE,        "CongAvoid") \
        EM(RXRPC_CALL_FAST_RETRANSMIT,          "FastReTx ") \
        EM(RXRPC_CALL_PACKET_LOSS,              "PktLoss  ") \
        E_(RXRPC_CALL_SLOW_START,               "SlowStart")


#define rxrpc_congest_changes \
	EM(rxrpc_cong_begin_retransmission,     " Retrans") \
        EM(rxrpc_cong_cleared_nacks,            " Cleared") \
        EM(rxrpc_cong_new_low_nack,             " NewLowN") \
        EM(rxrpc_cong_no_change,                "") \
        EM(rxrpc_cong_progress,                 " Progres") \
        EM(rxrpc_cong_retransmit_again,         " ReTxAgn") \
        EM(rxrpc_cong_rtt_window_end,           " RttWinE") \
        E_(rxrpc_cong_saw_nack,                 " SawNack")


#define rxrpc_pkts \
	EM(0,                                   "?00") \
        EM(RXRPC_PACKET_TYPE_DATA,              "DATA") \
        EM(RXRPC_PACKET_TYPE_ACK,               "ACK") \
        EM(RXRPC_PACKET_TYPE_BUSY,              "BUSY") \
        EM(RXRPC_PACKET_TYPE_ABORT,             "ABORT") \
        EM(RXRPC_PACKET_TYPE_ACKALL,            "ACKALL") \
        EM(RXRPC_PACKET_TYPE_CHALLENGE,         "CHALL") \
        EM(RXRPC_PACKET_TYPE_RESPONSE,          "RESP") \
        EM(RXRPC_PACKET_TYPE_DEBUG,             "DEBUG") \
        EM(9,                                   "?09") \
        EM(10,                                  "?10") \
        EM(11,                                  "?11") \
        EM(12,                                  "?12") \
        EM(RXRPC_PACKET_TYPE_VERSION,           "VERSION") \
        EM(14,                                  "?14") \
        E_(15,                                  "?15")


#define rxrpc_ack_names \
	EM(0,                                   "-0-") \
        EM(RXRPC_ACK_REQUESTED,                 "REQ") \
        EM(RXRPC_ACK_DUPLICATE,                 "DUP") \
        EM(RXRPC_ACK_OUT_OF_SEQUENCE,           "OOS") \
        EM(RXRPC_ACK_EXCEEDS_WINDOW,            "WIN") \
        EM(RXRPC_ACK_NOSPACE,                   "MEM") \
        EM(RXRPC_ACK_PING,                      "PNG") \
        EM(RXRPC_ACK_PING_RESPONSE,             "PNR") \
        EM(RXRPC_ACK_DELAY,                     "DLY") \
        EM(RXRPC_ACK_IDLE,                      "IDL") \
        E_(RXRPC_ACK__INVALID,                  "-?-")

/*
 * Export enum symbols via userspace.
 */

#undef EM

#undef E_

#define EM(a, b) TRACE_DEFINE_ENUM(a);

#define E_(a, b) TRACE_DEFINE_ENUM(a);

rxrpc_skb_traces;
rxrpc_conn_traces;
rxrpc_client_traces;
rxrpc_call_traces;
rxrpc_transmit_traces;
rxrpc_receive_traces;
rxrpc_recvmsg_traces;
rxrpc_rtt_tx_traces;
rxrpc_rtt_rx_traces;
rxrpc_timer_traces;
rxrpc_propose_ack_traces;
rxrpc_propose_ack_outcomes;
rxrpc_congest_changes;

/*
 * Now redefine the EM() and E_() macros to map the enums to the strings that
 * will be printed in the output.
 */

#undef EM

#undef E_

#define EM(a, b)	{ a, b },

#define E_(a, b)	{ a, b }

TRACE_EVENT(rxrpc_conn,
	    TP_PROTO(struct rxrpc_connection *conn, enum rxrpc_conn_trace op,
                     int usage, const void *where),

	    TP_ARGS(conn, op, usage, where),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_connection *,  conn            )
                    __field(int,                        op              )
                    __field(int,                        usage           )
                    __field(const void *,               where           )
                             ),

	    TP_fast_assign(
                    __entry->conn = conn;
                    __entry->op = op;
                    __entry->usage = usage;
                    __entry->where = where;
                           ),

	    TP_printk("C=%p %s u=%d sp=%pSR",
                      __entry->conn,
                      __print_symbolic(__entry->op, rxrpc_conn_traces),
                      __entry->usage,
                      __entry->where)
	    );

TRACE_EVENT(rxrpc_client,
	    TP_PROTO(struct rxrpc_connection *conn, int channel,
                     enum rxrpc_client_trace op),

	    TP_ARGS(conn, channel, op),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_connection *,  conn            )
                    __field(u32,                        cid             )
                    __field(int,                        channel         )
                    __field(int,                        usage           )
                    __field(enum rxrpc_client_trace,    op              )
                    __field(enum rxrpc_conn_cache_state, cs             )
                             ),

	    TP_fast_assign(
                    __entry->conn = conn;
                    __entry->channel = channel;
                    __entry->usage = atomic_read(&conn->usage);
                    __entry->op = op;
                    __entry->cid = conn->proto.cid;
                    __entry->cs = conn->cache_state;
                           ),

	    TP_printk("C=%p h=%2d %s %s i=%08x u=%d",
                      __entry->conn,
                      __entry->channel,
                      __print_symbolic(__entry->op, rxrpc_client_traces),
                      __print_symbolic(__entry->cs, rxrpc_conn_cache_states),
                      __entry->cid,
                      __entry->usage)
	    );

TRACE_EVENT(rxrpc_call,
	    TP_PROTO(struct rxrpc_call *call, enum rxrpc_call_trace op,
                     int usage, const void *where, const void *aux),

	    TP_ARGS(call, op, usage, where, aux),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(int,                        op              )
                    __field(int,                        usage           )
                    __field(const void *,               where           )
                    __field(const void *,               aux             )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->op = op;
                    __entry->usage = usage;
                    __entry->where = where;
                    __entry->aux = aux;
                           ),

	    TP_printk("c=%p %s u=%d sp=%pSR a=%p",
                      __entry->call,
                      __print_symbolic(__entry->op, rxrpc_call_traces),
                      __entry->usage,
                      __entry->where,
                      __entry->aux)
	    );

TRACE_EVENT(rxrpc_skb,
	    TP_PROTO(struct sk_buff *skb, enum rxrpc_skb_trace op,
                     int usage, int mod_count, const void *where),

	    TP_ARGS(skb, op, usage, mod_count, where),

	    TP_STRUCT__entry(
                    __field(struct sk_buff *,           skb             )
                    __field(enum rxrpc_skb_trace,       op              )
                    __field(int,                        usage           )
                    __field(int,                        mod_count       )
                    __field(const void *,               where           )
                             ),

	    TP_fast_assign(
                    __entry->skb = skb;
                    __entry->op = op;
                    __entry->usage = usage;
                    __entry->mod_count = mod_count;
                    __entry->where = where;
                           ),

	    TP_printk("s=%p %s u=%d m=%d p=%pSR",
                      __entry->skb,
                      __print_symbolic(__entry->op, rxrpc_skb_traces),
                      __entry->usage,
                      __entry->mod_count,
                      __entry->where)
	    );

TRACE_EVENT(rxrpc_rx_packet,
	    TP_PROTO(struct rxrpc_skb_priv *sp),

	    TP_ARGS(sp),

	    TP_STRUCT__entry(
                    __field_struct(struct rxrpc_host_header,    hdr             )
                             ),

	    TP_fast_assign(
                    memcpy(&__entry->hdr, &sp->hdr, sizeof(__entry->hdr));
                           ),

	    TP_printk("%08x:%08x:%08x:%04x %08x %08x %02x %02x %s",
                      __entry->hdr.epoch, __entry->hdr.cid,
                      __entry->hdr.callNumber, __entry->hdr.serviceId,
                      __entry->hdr.serial, __entry->hdr.seq,
                      __entry->hdr.type, __entry->hdr.flags,
                      __entry->hdr.type <= 15 ?
                      __print_symbolic(__entry->hdr.type, rxrpc_pkts) : "?UNK")
	    );

TRACE_EVENT(rxrpc_rx_done,
	    TP_PROTO(int result, int abort_code),

	    TP_ARGS(result, abort_code),

	    TP_STRUCT__entry(
                    __field(int,                        result          )
                    __field(int,                        abort_code      )
                             ),

	    TP_fast_assign(
                    __entry->result = result;
                    __entry->abort_code = abort_code;
                           ),

	    TP_printk("r=%d a=%d", __entry->result, __entry->abort_code)
	    );

TRACE_EVENT(rxrpc_abort,
	    TP_PROTO(const char *why, u32 cid, u32 call_id, rxrpc_seq_t seq,
                     int abort_code, int error),

	    TP_ARGS(why, cid, call_id, seq, abort_code, error),

	    TP_STRUCT__entry(
                    __array(char,                       why, 4		)
                    __field(u32,                        cid             )
                    __field(u32,                        call_id         )
                    __field(rxrpc_seq_t,                seq             )
                    __field(int,                        abort_code      )
                    __field(int,                        error           )
                             ),

	    TP_fast_assign(
                    memcpy(__entry->why, why, 4);
                    __entry->cid = cid;
                    __entry->call_id = call_id;
                    __entry->abort_code = abort_code;
                    __entry->error = error;
                    __entry->seq = seq;
                           ),

	    TP_printk("%08x:%08x s=%u a=%d e=%d %s",
                      __entry->cid, __entry->call_id, __entry->seq,
                      __entry->abort_code, __entry->error, __entry->why)
	    );

TRACE_EVENT(rxrpc_transmit,
	    TP_PROTO(struct rxrpc_call *call, enum rxrpc_transmit_trace why),

	    TP_ARGS(call, why),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(enum rxrpc_transmit_trace,  why             )
                    __field(rxrpc_seq_t,                tx_hard_ack     )
                    __field(rxrpc_seq_t,                tx_top          )
                    __field(int,                        tx_winsize      )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->why = why;
                    __entry->tx_hard_ack = call->tx_hard_ack;
                    __entry->tx_top = call->tx_top;
                    __entry->tx_winsize = call->tx_winsize;
                           ),

	    TP_printk("c=%p %s f=%08x n=%u/%u",
                      __entry->call,
                      __print_symbolic(__entry->why, rxrpc_transmit_traces),
                      __entry->tx_hard_ack + 1,
                      __entry->tx_top - __entry->tx_hard_ack,
                      __entry->tx_winsize)
	    );

TRACE_EVENT(rxrpc_rx_data,
	    TP_PROTO(struct rxrpc_call *call, rxrpc_seq_t seq,
                     rxrpc_serial_t serial, u8 flags, u8 anno),

	    TP_ARGS(call, seq, serial, flags, anno),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(rxrpc_seq_t,                seq             )
                    __field(rxrpc_serial_t,             serial          )
                    __field(u8,                         flags           )
                    __field(u8,                         anno            )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->seq = seq;
                    __entry->serial = serial;
                    __entry->flags = flags;
                    __entry->anno = anno;
                           ),

	    TP_printk("c=%p DATA %08x q=%08x fl=%02x a=%02x",
                      __entry->call,
                      __entry->serial,
                      __entry->seq,
                      __entry->flags,
                      __entry->anno)
	    );

TRACE_EVENT(rxrpc_rx_ack,
	    TP_PROTO(struct rxrpc_call *call,
                     rxrpc_serial_t serial, rxrpc_serial_t ack_serial,
                     rxrpc_seq_t first, rxrpc_seq_t prev, u8 reason, u8 n_acks),

	    TP_ARGS(call, serial, ack_serial, first, prev, reason, n_acks),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(rxrpc_serial_t,             serial          )
                    __field(rxrpc_serial_t,             ack_serial      )
                    __field(rxrpc_seq_t,                first           )
                    __field(rxrpc_seq_t,                prev            )
                    __field(u8,                         reason          )
                    __field(u8,                         n_acks          )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->serial = serial;
                    __entry->ack_serial = ack_serial;
                    __entry->first = first;
                    __entry->prev = prev;
                    __entry->reason = reason;
                    __entry->n_acks = n_acks;
                           ),

	    TP_printk("c=%p %08x %s r=%08x f=%08x p=%08x n=%u",
                      __entry->call,
                      __entry->serial,
                      __print_symbolic(__entry->reason, rxrpc_ack_names),
                      __entry->ack_serial,
                      __entry->first,
                      __entry->prev,
                      __entry->n_acks)
	    );

TRACE_EVENT(rxrpc_rx_abort,
	    TP_PROTO(struct rxrpc_call *call, rxrpc_serial_t serial,
                     u32 abort_code),

	    TP_ARGS(call, serial, abort_code),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(rxrpc_serial_t,             serial          )
                    __field(u32,                        abort_code      )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->serial = serial;
                    __entry->abort_code = abort_code;
                           ),

	    TP_printk("c=%p ABORT %08x ac=%d",
                      __entry->call,
                      __entry->serial,
                      __entry->abort_code)
	    );

TRACE_EVENT(rxrpc_rx_rwind_change,
	    TP_PROTO(struct rxrpc_call *call, rxrpc_serial_t serial,
                     u32 rwind, bool wake),

	    TP_ARGS(call, serial, rwind, wake),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(rxrpc_serial_t,             serial          )
                    __field(u32,                        rwind           )
                    __field(bool,                       wake            )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->serial = serial;
                    __entry->rwind = rwind;
                    __entry->wake = wake;
                           ),

	    TP_printk("c=%p %08x rw=%u%s",
                      __entry->call,
                      __entry->serial,
                      __entry->rwind,
                      __entry->wake ? " wake" : "")
	    );

TRACE_EVENT(rxrpc_tx_data,
	    TP_PROTO(struct rxrpc_call *call, rxrpc_seq_t seq,
                     rxrpc_serial_t serial, u8 flags, bool retrans, bool lose),

	    TP_ARGS(call, seq, serial, flags, retrans, lose),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(rxrpc_seq_t,                seq             )
                    __field(rxrpc_serial_t,             serial          )
                    __field(u8,                         flags           )
                    __field(bool,                       retrans         )
                    __field(bool,                       lose            )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->seq = seq;
                    __entry->serial = serial;
                    __entry->flags = flags;
                    __entry->retrans = retrans;
                    __entry->lose = lose;
                           ),

	    TP_printk("c=%p DATA %08x q=%08x fl=%02x%s%s",
                      __entry->call,
                      __entry->serial,
                      __entry->seq,
                      __entry->flags,
                      __entry->retrans ? " *RETRANS*" : "",
                      __entry->lose ? " *LOSE*" : "")
	    );

TRACE_EVENT(rxrpc_tx_ack,
	    TP_PROTO(struct rxrpc_call *call, rxrpc_serial_t serial,
                     rxrpc_seq_t ack_first, rxrpc_serial_t ack_serial,
                     u8 reason, u8 n_acks),

	    TP_ARGS(call, serial, ack_first, ack_serial, reason, n_acks),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(rxrpc_serial_t,             serial          )
                    __field(rxrpc_seq_t,                ack_first       )
                    __field(rxrpc_serial_t,             ack_serial      )
                    __field(u8,                         reason          )
                    __field(u8,                         n_acks          )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->serial = serial;
                    __entry->ack_first = ack_first;
                    __entry->ack_serial = ack_serial;
                    __entry->reason = reason;
                    __entry->n_acks = n_acks;
                           ),

	    TP_printk(" c=%p ACK  %08x %s f=%08x r=%08x n=%u",
                      __entry->call,
                      __entry->serial,
                      __print_symbolic(__entry->reason, rxrpc_ack_names),
                      __entry->ack_first,
                      __entry->ack_serial,
                      __entry->n_acks)
	    );

TRACE_EVENT(rxrpc_receive,
	    TP_PROTO(struct rxrpc_call *call, enum rxrpc_receive_trace why,
                     rxrpc_serial_t serial, rxrpc_seq_t seq),

	    TP_ARGS(call, why, serial, seq),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(enum rxrpc_receive_trace,   why             )
                    __field(rxrpc_serial_t,             serial          )
                    __field(rxrpc_seq_t,                seq             )
                    __field(rxrpc_seq_t,                hard_ack        )
                    __field(rxrpc_seq_t,                top             )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->why = why;
                    __entry->serial = serial;
                    __entry->seq = seq;
                    __entry->hard_ack = call->rx_hard_ack;
                    __entry->top = call->rx_top;
                           ),

	    TP_printk("c=%p %s r=%08x q=%08x w=%08x-%08x",
                      __entry->call,
                      __print_symbolic(__entry->why, rxrpc_receive_traces),
                      __entry->serial,
                      __entry->seq,
                      __entry->hard_ack,
                      __entry->top)
	    );

TRACE_EVENT(rxrpc_recvmsg,
	    TP_PROTO(struct rxrpc_call *call, enum rxrpc_recvmsg_trace why,
                     rxrpc_seq_t seq, unsigned int offset, unsigned int len,
                     int ret),

	    TP_ARGS(call, why, seq, offset, len, ret),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(enum rxrpc_recvmsg_trace,   why             )
                    __field(rxrpc_seq_t,                seq             )
                    __field(unsigned int,               offset          )
                    __field(unsigned int,               len             )
                    __field(int,                        ret             )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->why = why;
                    __entry->seq = seq;
                    __entry->offset = offset;
                    __entry->len = len;
                    __entry->ret = ret;
                           ),

	    TP_printk("c=%p %s q=%08x o=%u l=%u ret=%d",
                      __entry->call,
                      __print_symbolic(__entry->why, rxrpc_recvmsg_traces),
                      __entry->seq,
                      __entry->offset,
                      __entry->len,
                      __entry->ret)
	    );

TRACE_EVENT(rxrpc_rtt_tx,
	    TP_PROTO(struct rxrpc_call *call, enum rxrpc_rtt_tx_trace why,
                     rxrpc_serial_t send_serial),

	    TP_ARGS(call, why, send_serial),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(enum rxrpc_rtt_tx_trace,    why             )
                    __field(rxrpc_serial_t,             send_serial     )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->why = why;
                    __entry->send_serial = send_serial;
                           ),

	    TP_printk("c=%p %s sr=%08x",
                      __entry->call,
                      __print_symbolic(__entry->why, rxrpc_rtt_tx_traces),
                      __entry->send_serial)
	    );

TRACE_EVENT(rxrpc_rtt_rx,
	    TP_PROTO(struct rxrpc_call *call, enum rxrpc_rtt_rx_trace why,
                     rxrpc_serial_t send_serial, rxrpc_serial_t resp_serial,
                     s64 rtt, u8 nr, s64 avg),

	    TP_ARGS(call, why, send_serial, resp_serial, rtt, nr, avg),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(enum rxrpc_rtt_rx_trace,    why             )
                    __field(u8,                         nr              )
                    __field(rxrpc_serial_t,             send_serial     )
                    __field(rxrpc_serial_t,             resp_serial     )
                    __field(s64,                        rtt             )
                    __field(u64,                        avg             )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->why = why;
                    __entry->send_serial = send_serial;
                    __entry->resp_serial = resp_serial;
                    __entry->rtt = rtt;
                    __entry->nr = nr;
                    __entry->avg = avg;
                           ),

	    TP_printk("c=%p %s sr=%08x rr=%08x rtt=%lld nr=%u avg=%lld",
                      __entry->call,
                      __print_symbolic(__entry->why, rxrpc_rtt_rx_traces),
                      __entry->send_serial,
                      __entry->resp_serial,
                      __entry->rtt,
                      __entry->nr,
                      __entry->avg)
	    );

TRACE_EVENT(rxrpc_timer,
	    TP_PROTO(struct rxrpc_call *call, enum rxrpc_timer_trace why,
                     ktime_t now, unsigned long now_j),

	    TP_ARGS(call, why, now, now_j),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,                call            )
                    __field(enum rxrpc_timer_trace,             why             )
                    __field_struct(ktime_t,                     now             )
                    __field_struct(ktime_t,                     expire_at       )
                    __field_struct(ktime_t,                     ack_at          )
                    __field_struct(ktime_t,                     resend_at       )
                    __field(unsigned long,                      now_j           )
                    __field(unsigned long,                      timer           )
                             ),

	    TP_fast_assign(
                    __entry->call       = call;
                    __entry->why        = why;
                    __entry->now        = now;
                    __entry->expire_at  = call->expire_at;
                    __entry->ack_at     = call->ack_at;
                    __entry->resend_at  = call->resend_at;
                    __entry->now_j      = now_j;
                    __entry->timer      = call->timer.expires;
                           ),

	    TP_printk("c=%p %s x=%lld a=%lld r=%lld t=%ld",
                      __entry->call,
                      __print_symbolic(__entry->why, rxrpc_timer_traces),
                      ktime_to_ns(ktime_sub(__entry->expire_at, __entry->now)),
                      ktime_to_ns(ktime_sub(__entry->ack_at, __entry->now)),
                      ktime_to_ns(ktime_sub(__entry->resend_at, __entry->now)),
                      __entry->timer - __entry->now_j)
	    );

TRACE_EVENT(rxrpc_rx_lose,
	    TP_PROTO(struct rxrpc_skb_priv *sp),

	    TP_ARGS(sp),

	    TP_STRUCT__entry(
                    __field_struct(struct rxrpc_host_header,    hdr             )
                             ),

	    TP_fast_assign(
                    memcpy(&__entry->hdr, &sp->hdr, sizeof(__entry->hdr));
                           ),

	    TP_printk("%08x:%08x:%08x:%04x %08x %08x %02x %02x %s *LOSE*",
                      __entry->hdr.epoch, __entry->hdr.cid,
                      __entry->hdr.callNumber, __entry->hdr.serviceId,
                      __entry->hdr.serial, __entry->hdr.seq,
                      __entry->hdr.type, __entry->hdr.flags,
                      __entry->hdr.type <= 15 ?
                      __print_symbolic(__entry->hdr.type, rxrpc_pkts) : "?UNK")
	    );

TRACE_EVENT(rxrpc_propose_ack,
	    TP_PROTO(struct rxrpc_call *call, enum rxrpc_propose_ack_trace why,
                     u8 ack_reason, rxrpc_serial_t serial, bool immediate,
                     bool background, enum rxrpc_propose_ack_outcome outcome),

	    TP_ARGS(call, why, ack_reason, serial, immediate, background,
                    outcome),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,                call            )
                    __field(enum rxrpc_propose_ack_trace,       why             )
                    __field(rxrpc_serial_t,                     serial          )
                    __field(u8,                                 ack_reason      )
                    __field(bool,                               immediate       )
                    __field(bool,                               background      )
                    __field(enum rxrpc_propose_ack_outcome,     outcome         )
                             ),

	    TP_fast_assign(
                    __entry->call       = call;
                    __entry->why        = why;
                    __entry->serial     = serial;
                    __entry->ack_reason = ack_reason;
                    __entry->immediate  = immediate;
                    __entry->background = background;
                    __entry->outcome    = outcome;
                           ),

	    TP_printk("c=%p %s %s r=%08x i=%u b=%u%s",
                      __entry->call,
                      __print_symbolic(__entry->why, rxrpc_propose_ack_traces),
                      __print_symbolic(__entry->ack_reason, rxrpc_ack_names),
                      __entry->serial,
                      __entry->immediate,
                      __entry->background,
                      __print_symbolic(__entry->outcome, rxrpc_propose_ack_outcomes))
	    );

TRACE_EVENT(rxrpc_retransmit,
	    TP_PROTO(struct rxrpc_call *call, rxrpc_seq_t seq, u8 annotation,
                     s64 expiry),

	    TP_ARGS(call, seq, annotation, expiry),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(rxrpc_seq_t,                seq             )
                    __field(u8,                         annotation      )
                    __field(s64,                        expiry          )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->seq = seq;
                    __entry->annotation = annotation;
                    __entry->expiry = expiry;
                           ),

	    TP_printk("c=%p q=%x a=%02x xp=%lld",
                      __entry->call,
                      __entry->seq,
                      __entry->annotation,
                      __entry->expiry)
	    );

TRACE_EVENT(rxrpc_congest,
	    TP_PROTO(struct rxrpc_call *call, struct rxrpc_ack_summary *summary,
                     rxrpc_serial_t ack_serial, enum rxrpc_congest_change change),

	    TP_ARGS(call, summary, ack_serial, change),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,                call            )
                    __field(enum rxrpc_congest_change,          change          )
                    __field(rxrpc_seq_t,                        hard_ack        )
                    __field(rxrpc_seq_t,                        top             )
                    __field(rxrpc_seq_t,                        lowest_nak      )
                    __field(rxrpc_serial_t,                     ack_serial      )
                    __field_struct(struct rxrpc_ack_summary,    sum             )
                             ),

	    TP_fast_assign(
                    __entry->call       = call;
                    __entry->change     = change;
                    __entry->hard_ack   = call->tx_hard_ack;
                    __entry->top        = call->tx_top;
                    __entry->lowest_nak = call->acks_lowest_nak;
                    __entry->ack_serial = ack_serial;
                    memcpy(&__entry->sum, summary, sizeof(__entry->sum));
                           ),

	    TP_printk("c=%p %08x %s %08x %s cw=%u ss=%u nr=%u,%u nw=%u,%u r=%u b=%u u=%u d=%u l=%x%s%s%s",
                      __entry->call,
                      __entry->ack_serial,
                      __print_symbolic(__entry->sum.ack_reason, rxrpc_ack_names),
                      __entry->hard_ack,
                      __print_symbolic(__entry->sum.mode, rxrpc_congest_modes),
                      __entry->sum.cwnd,
                      __entry->sum.ssthresh,
                      __entry->sum.nr_acks, __entry->sum.nr_nacks,
                      __entry->sum.nr_new_acks, __entry->sum.nr_new_nacks,
                      __entry->sum.nr_rot_new_acks,
                      __entry->top - __entry->hard_ack,
                      __entry->sum.cumulative_acks,
                      __entry->sum.dup_acks,
                      __entry->lowest_nak, __entry->sum.new_low_nack ? "!" : "",
                      __print_symbolic(__entry->change, rxrpc_congest_changes),
                      __entry->sum.retrans_timeo ? " rTxTo" : "")
	    );

TRACE_EVENT(rxrpc_disconnect_call,
	    TP_PROTO(struct rxrpc_call *call),

	    TP_ARGS(call),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(u32,                        abort_code      )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->abort_code = call->abort_code;
                           ),

	    TP_printk("c=%p ab=%08x",
                      __entry->call,
                      __entry->abort_code)
	    );

TRACE_EVENT(rxrpc_improper_term,
	    TP_PROTO(struct rxrpc_call *call),

	    TP_ARGS(call),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(u32,                        abort_code      )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->abort_code = call->abort_code;
                           ),

	    TP_printk("c=%p ab=%08x",
                      __entry->call,
                      __entry->abort_code)
	    );

TRACE_EVENT(rxrpc_rx_eproto,
	    TP_PROTO(struct rxrpc_call *call, rxrpc_serial_t serial,
                     const char *why),

	    TP_ARGS(call, serial, why),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(rxrpc_serial_t,             serial          )
                    __field(const char *,               why             )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->serial = serial;
                    __entry->why = why;
                           ),

	    TP_printk("c=%p EPROTO %08x %s",
                      __entry->call,
                      __entry->serial,
                      __entry->why)
	    );

TRACE_EVENT(rxrpc_connect_call,
	    TP_PROTO(struct rxrpc_call *call),

	    TP_ARGS(call),

	    TP_STRUCT__entry(
                    __field(struct rxrpc_call *,        call            )
                    __field(unsigned long,              user_call_ID    )
                    __field(u32,                        cid             )
                    __field(u32,                        call_id         )
                             ),

	    TP_fast_assign(
                    __entry->call = call;
                    __entry->user_call_ID = call->user_call_ID;
                    __entry->cid = call->cid;
                    __entry->call_id = call->call_id;
                           ),

	    TP_printk("c=%p u=%p %08x:%08x",
                      __entry->call,
                      (void *)__entry->user_call_ID,
                      __entry->cid,
                      __entry->call_id)
	    );

#endif /* _TRACE_RXRPC_H */

/* This part must be outside protection */
#include <trace/define_trace.h>

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