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/*
* 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_ENUM
enum {
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
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);
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, 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);
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, 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, 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(name) \
DEFINE_EVENT(tipc_sk_class, name, \
TP_PROTO(struct sock *sk, struct sk_buff *skb, u16 dqueues, \
const char *header), \
TP_ARGS(sk, skb, dqueues, header))
DEFINE_SK_EVENT(tipc_sk_dump);
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, header);
tipc_link_name_ext(l, __entry->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);
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, 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);
#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>
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