/* * net/tipc/trace.h: TIPC tracepoints * * Copyright (c) 2018, Ericsson AB * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. Neither the names of the copyright holders nor the names of its *    contributors may be used to endorse or promote products derived from *    this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "ASIS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #undef TRACE_SYSTEM#define TRACE_SYSTEM tipc #if !defined(_TIPC_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)#define _TIPC_TRACE_H #include <linux/tracepoint.h>#include "core.h"#include "link.h"#include "socket.h"#include "node.h" #define SKB_LMIN	(100)#define SKB_LMAX	(SKB_LMIN * 2)#define LIST_LMIN	(SKB_LMIN * 3)#define LIST_LMAX	(SKB_LMIN * 11)#define SK_LMIN		(SKB_LMIN * 2)#define SK_LMAX		(SKB_LMIN * 11)#define LINK_LMIN	(SKB_LMIN)#define LINK_LMAX	(SKB_LMIN * 16)#define NODE_LMIN	(SKB_LMIN)#define NODE_LMAX	(SKB_LMIN * 11) #ifndef __TIPC_TRACE_ENUM#define __TIPC_TRACE_ENUMenum {	TIPC_DUMP_NONE		= 0, 	TIPC_DUMP_TRANSMQ	= 1,	TIPC_DUMP_BACKLOGQ	= (1 << 1),	TIPC_DUMP_DEFERDQ	= (1 << 2),	TIPC_DUMP_INPUTQ	= (1 << 3),	TIPC_DUMP_WAKEUP        = (1 << 4), 	TIPC_DUMP_SK_SNDQ	= (1 << 8),	TIPC_DUMP_SK_RCVQ	= (1 << 9),	TIPC_DUMP_SK_BKLGQ	= (1 << 10),	TIPC_DUMP_ALL		= 0xffffu};#endif /* Link & Node FSM states: */#define state_sym(val)							  \	__print_symbolic(val,						  \			{(0xe),		"ESTABLISHED"			},\			{(0xe << 4),	"ESTABLISHING"			},\			{(0x1 << 8),	"RESET"				},\			{(0x2 << 12),	"RESETTING"			},\			{(0xd << 16),	"PEER_RESET"			},\			{(0xf << 20),	"FAILINGOVER"			},\			{(0xc << 24),	"SYNCHING"			},\			{(0xdd),	"SELF_DOWN_PEER_DOWN"		},\			{(0xaa),	"SELF_UP_PEER_UP"		},\			{(0xd1),	"SELF_DOWN_PEER_LEAVING"	},\			{(0xac),	"SELF_UP_PEER_COMING"		},\			{(0xca),	"SELF_COMING_PEER_UP"		},\			{(0x1d),	"SELF_LEAVING_PEER_DOWN"	},\			{(0xf0),	"FAILINGOVER"			},\			{(0xcc),	"SYNCHING"			}) /* Link & Node FSM events: */#define evt_sym(val)							  \	__print_symbolic(val,						  \			{(0xec1ab1e),	"ESTABLISH_EVT"			},\			{(0x9eed0e),	"PEER_RESET_EVT"		},\			{(0xfa110e),	"FAILURE_EVT"			},\			{(0x10ca1d0e),	"RESET_EVT"			},\			{(0xfa110bee),	"FAILOVER_BEGIN_EVT"		},\			{(0xfa110ede),	"FAILOVER_END_EVT"		},\			{(0xc1ccbee),	"SYNCH_BEGIN_EVT"		},\			{(0xc1ccede),	"SYNCH_END_EVT"			},\			{(0xece),	"SELF_ESTABL_CONTACT_EVT"	},\			{(0x1ce),	"SELF_LOST_CONTACT_EVT"		},\			{(0x9ece),	"PEER_ESTABL_CONTACT_EVT"	},\			{(0x91ce),	"PEER_LOST_CONTACT_EVT"		},\			{(0xfbe),	"FAILOVER_BEGIN_EVT"		},\			{(0xfee),	"FAILOVER_END_EVT"		},\			{(0xcbe),	"SYNCH_BEGIN_EVT"		},\			{(0xcee),	"SYNCH_END_EVT"			}) /* Bearer, net device events: */#define dev_evt_sym(val)						  \	__print_symbolic(val,						  \			{(NETDEV_CHANGE),	"NETDEV_CHANGE"		},\			{(NETDEV_GOING_DOWN),	"NETDEV_GOING_DOWN"	},\			{(NETDEV_UP),		"NETDEV_UP"		},\			{(NETDEV_CHANGEMTU),	"NETDEV_CHANGEMTU"	},\			{(NETDEV_CHANGEADDR),	"NETDEV_CHANGEADDR"	},\			{(NETDEV_UNREGISTER),	"NETDEV_UNREGISTER"	},\			{(NETDEV_CHANGENAME),	"NETDEV_CHANGENAME"	}) extern unsigned long sysctl_tipc_sk_filter[5] __read_mostly; int tipc_skb_dump(struct sk_buff *skb, bool more, char *buf);int tipc_list_dump(struct sk_buff_head *list, bool more, char *buf);int tipc_sk_dump(struct sock *sk, u16 dqueues, char *buf);int tipc_link_dump(struct tipc_link *l, u16 dqueues, char *buf);int tipc_node_dump(struct tipc_node *n, bool more, char *buf);bool tipc_sk_filtering(struct sock *sk); DECLARE_EVENT_CLASS(tipc_skb_class, 	TP_PROTO(struct sk_buff *skb, bool more, const char *header), 	TP_ARGS(skb, more, header), 	TP_STRUCT__entry(		__string(header, header)		__dynamic_array(char, buf, (more) ? SKB_LMAX : SKB_LMIN)	), 	TP_fast_assign(		__assign_str(header);		tipc_skb_dump(skb, more, __get_str(buf));	), 	TP_printk("%s\n%s", __get_str(header), __get_str(buf))) #define DEFINE_SKB_EVENT(name) \DEFINE_EVENT(tipc_skb_class, name, \	TP_PROTO(struct sk_buff *skb, bool more, const char *header), \	TP_ARGS(skb, more, header))DEFINE_SKB_EVENT(tipc_skb_dump);DEFINE_SKB_EVENT(tipc_proto_build);DEFINE_SKB_EVENT(tipc_proto_rcv); DECLARE_EVENT_CLASS(tipc_list_class, 	TP_PROTO(struct sk_buff_head *list, bool more, const char *header), 	TP_ARGS(list, more, header), 	TP_STRUCT__entry(		__string(header, header)		__dynamic_array(char, buf, (more) ? LIST_LMAX : LIST_LMIN)	), 	TP_fast_assign(		__assign_str(header);		tipc_list_dump(list, more, __get_str(buf));	), 	TP_printk("%s\n%s", __get_str(header), __get_str(buf))); #define DEFINE_LIST_EVENT(name) \DEFINE_EVENT(tipc_list_class, name, \	TP_PROTO(struct sk_buff_head *list, bool more, const char *header), \	TP_ARGS(list, more, header))DEFINE_LIST_EVENT(tipc_list_dump); DECLARE_EVENT_CLASS(tipc_sk_class, 	TP_PROTO(struct sock *sk, struct sk_buff *skb, u16 dqueues,		 const char *header), 	TP_ARGS(sk, skb, dqueues, header), 	TP_STRUCT__entry(		__string(header, header)		__field(u32, portid)		__dynamic_array(char, buf, (dqueues) ? SK_LMAX : SK_LMIN)		__dynamic_array(char, skb_buf, (skb) ? SKB_LMIN : 1)	), 	TP_fast_assign(		__assign_str(header);		__entry->portid = tipc_sock_get_portid(sk);		tipc_sk_dump(sk, dqueues, __get_str(buf));		if (skb)			tipc_skb_dump(skb, false, __get_str(skb_buf));		else			*(__get_str(skb_buf)) = '\0';	), 	TP_printk("<%u> %s\n%s%s", __entry->portid, __get_str(header),		  __get_str(skb_buf), __get_str(buf))); #define DEFINE_SK_EVENT_FILTER(name) \DEFINE_EVENT_CONDITION(tipc_sk_class, name, \	TP_PROTO(struct sock *sk, struct sk_buff *skb, u16 dqueues, \		 const char *header), \	TP_ARGS(sk, skb, dqueues, header), \	TP_CONDITION(tipc_sk_filtering(sk)))DEFINE_SK_EVENT_FILTER(tipc_sk_dump);DEFINE_SK_EVENT_FILTER(tipc_sk_create);DEFINE_SK_EVENT_FILTER(tipc_sk_sendmcast);DEFINE_SK_EVENT_FILTER(tipc_sk_sendmsg);DEFINE_SK_EVENT_FILTER(tipc_sk_sendstream);DEFINE_SK_EVENT_FILTER(tipc_sk_poll);DEFINE_SK_EVENT_FILTER(tipc_sk_filter_rcv);DEFINE_SK_EVENT_FILTER(tipc_sk_advance_rx);DEFINE_SK_EVENT_FILTER(tipc_sk_rej_msg);DEFINE_SK_EVENT_FILTER(tipc_sk_drop_msg);DEFINE_SK_EVENT_FILTER(tipc_sk_release);DEFINE_SK_EVENT_FILTER(tipc_sk_shutdown); #define DEFINE_SK_EVENT_FILTER_COND(name, cond) \DEFINE_EVENT_CONDITION(tipc_sk_class, name, \	TP_PROTO(struct sock *sk, struct sk_buff *skb, u16 dqueues, \		 const char *header), \	TP_ARGS(sk, skb, dqueues, header), \	TP_CONDITION(tipc_sk_filtering(sk) && (cond)))DEFINE_SK_EVENT_FILTER_COND(tipc_sk_overlimit1, tipc_sk_overlimit1(sk, skb));DEFINE_SK_EVENT_FILTER_COND(tipc_sk_overlimit2, tipc_sk_overlimit2(sk, skb)); DECLARE_EVENT_CLASS(tipc_link_class, 	TP_PROTO(struct tipc_link *l, u16 dqueues, const char *header), 	TP_ARGS(l, dqueues, header), 	TP_STRUCT__entry(		__string(header, header)		__array(char, name, TIPC_MAX_LINK_NAME)		__dynamic_array(char, buf, (dqueues) ? LINK_LMAX : LINK_LMIN)	), 	TP_fast_assign(		__assign_str(header);		memcpy(__entry->name, tipc_link_name(l), TIPC_MAX_LINK_NAME);		tipc_link_dump(l, dqueues, __get_str(buf));	), 	TP_printk("<%s> %s\n%s", __entry->name, __get_str(header),		  __get_str(buf))); #define DEFINE_LINK_EVENT(name) \DEFINE_EVENT(tipc_link_class, name, \	TP_PROTO(struct tipc_link *l, u16 dqueues, const char *header), \	TP_ARGS(l, dqueues, header))DEFINE_LINK_EVENT(tipc_link_dump);DEFINE_LINK_EVENT(tipc_link_conges);DEFINE_LINK_EVENT(tipc_link_timeout);DEFINE_LINK_EVENT(tipc_link_reset); #define DEFINE_LINK_EVENT_COND(name, cond) \DEFINE_EVENT_CONDITION(tipc_link_class, name, \	TP_PROTO(struct tipc_link *l, u16 dqueues, const char *header), \	TP_ARGS(l, dqueues, header), \	TP_CONDITION(cond))DEFINE_LINK_EVENT_COND(tipc_link_too_silent, tipc_link_too_silent(l)); DECLARE_EVENT_CLASS(tipc_link_transmq_class, 	TP_PROTO(struct tipc_link *r, u16 f, u16 t, struct sk_buff_head *tq), 	TP_ARGS(r, f, t, tq), 	TP_STRUCT__entry(		__array(char, name, TIPC_MAX_LINK_NAME)		__field(u16, from)		__field(u16, to)		__field(u32, len)		__field(u16, fseqno)		__field(u16, lseqno)	), 	TP_fast_assign(		memcpy(__entry->name, tipc_link_name(r), TIPC_MAX_LINK_NAME);		__entry->from = f;		__entry->to = t;		__entry->len = skb_queue_len(tq);		__entry->fseqno = __entry->len ?				  msg_seqno(buf_msg(skb_peek(tq))) : 0;		__entry->lseqno = __entry->len ?				  msg_seqno(buf_msg(skb_peek_tail(tq))) : 0;	), 	TP_printk("<%s> retrans req: [%u-%u] transmq: %u [%u-%u]\n",		  __entry->name, __entry->from, __entry->to,		  __entry->len, __entry->fseqno, __entry->lseqno)); DEFINE_EVENT_CONDITION(tipc_link_transmq_class, tipc_link_retrans,	TP_PROTO(struct tipc_link *r, u16 f, u16 t, struct sk_buff_head *tq),	TP_ARGS(r, f, t, tq),	TP_CONDITION(less_eq(f, t))); DEFINE_EVENT_PRINT(tipc_link_transmq_class, tipc_link_bc_ack,	TP_PROTO(struct tipc_link *r, u16 f, u16 t, struct sk_buff_head *tq),	TP_ARGS(r, f, t, tq),	TP_printk("<%s> acked: %u gap: %u transmq: %u [%u-%u]\n",		  __entry->name, __entry->from, __entry->to,		  __entry->len, __entry->fseqno, __entry->lseqno)); DECLARE_EVENT_CLASS(tipc_node_class, 	TP_PROTO(struct tipc_node *n, bool more, const char *header), 	TP_ARGS(n, more, header), 	TP_STRUCT__entry(		__string(header, header)		__field(u32, addr)		__dynamic_array(char, buf, (more) ? NODE_LMAX : NODE_LMIN)	), 	TP_fast_assign(		__assign_str(header);		__entry->addr = tipc_node_get_addr(n);		tipc_node_dump(n, more, __get_str(buf));	), 	TP_printk("<%x> %s\n%s", __entry->addr, __get_str(header),		  __get_str(buf))); #define DEFINE_NODE_EVENT(name) \DEFINE_EVENT(tipc_node_class, name, \	TP_PROTO(struct tipc_node *n, bool more, const char *header), \	TP_ARGS(n, more, header))DEFINE_NODE_EVENT(tipc_node_dump);DEFINE_NODE_EVENT(tipc_node_create);DEFINE_NODE_EVENT(tipc_node_delete);DEFINE_NODE_EVENT(tipc_node_lost_contact);DEFINE_NODE_EVENT(tipc_node_timeout);DEFINE_NODE_EVENT(tipc_node_link_up);DEFINE_NODE_EVENT(tipc_node_link_down);DEFINE_NODE_EVENT(tipc_node_reset_links);DEFINE_NODE_EVENT(tipc_node_check_state); DECLARE_EVENT_CLASS(tipc_fsm_class, 	TP_PROTO(const char *name, u32 os, u32 ns, int evt), 	TP_ARGS(name, os, ns, evt), 	TP_STRUCT__entry(		__string(name, name)		__field(u32, os)		__field(u32, ns)		__field(u32, evt)	), 	TP_fast_assign(		__assign_str(name);		__entry->os = os;		__entry->ns = ns;		__entry->evt = evt;	), 	TP_printk("<%s> %s--(%s)->%s\n", __get_str(name),		  state_sym(__entry->os), evt_sym(__entry->evt),		  state_sym(__entry->ns))); #define DEFINE_FSM_EVENT(fsm_name) \DEFINE_EVENT(tipc_fsm_class, fsm_name, \	TP_PROTO(const char *name, u32 os, u32 ns, int evt), \	TP_ARGS(name, os, ns, evt))DEFINE_FSM_EVENT(tipc_link_fsm);DEFINE_FSM_EVENT(tipc_node_fsm); TRACE_EVENT(tipc_l2_device_event, 	TP_PROTO(struct net_device *dev, struct tipc_bearer *b,		 unsigned long evt), 	TP_ARGS(dev, b, evt), 	TP_STRUCT__entry(		__string(dev_name, dev->name)		__string(b_name, b->name)		__field(unsigned long, evt)		__field(u8, b_up)		__field(u8, carrier)		__field(u8, oper)	), 	TP_fast_assign(		__assign_str(dev_name);		__assign_str(b_name);		__entry->evt = evt;		__entry->b_up = test_bit(0, &b->up);		__entry->carrier = netif_carrier_ok(dev);		__entry->oper = netif_oper_up(dev);	), 	TP_printk("%s on: <%s>/<%s> oper: %s carrier: %s bearer: %s\n",		  dev_evt_sym(__entry->evt), __get_str(dev_name),		  __get_str(b_name), (__entry->oper) ? "up" : "down",		  (__entry->carrier) ? "ok" : "notok",		  (__entry->b_up) ? "up" : "down")); #endif /* _TIPC_TRACE_H */ /* This part must be outside protection */#undef TRACE_INCLUDE_PATH#define TRACE_INCLUDE_PATH .#undef TRACE_INCLUDE_FILE#define TRACE_INCLUDE_FILE trace#include <trace/define_trace.h>