Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/net/tipc/trace.h b/net/tipc/trace.h
new file mode 100644
index 0000000..4d8e004
--- /dev/null
+++ b/net/tipc/trace.h
@@ -0,0 +1,431 @@
+/*
+ * 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
+
+/* 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, 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, 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_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, 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);
+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(
+ tipc_link_name_ext(r, __entry->name);
+ __entry->from = f;
+ __entry->to = t;
+ __entry->len = skb_queue_len(tq);
+ __entry->fseqno = msg_seqno(buf_msg(skb_peek(tq)));
+ __entry->lseqno = msg_seqno(buf_msg(skb_peek_tail(tq)));
+ ),
+
+ 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(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)
+);
+
+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-%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, 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, 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, dev->name);
+ __assign_str(b_name, 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>