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-rw-r--r--net/dsa/trace.h329
1 files changed, 329 insertions, 0 deletions
diff --git a/net/dsa/trace.h b/net/dsa/trace.h
new file mode 100644
index 000000000000..42c8bbc7d472
--- /dev/null
+++ b/net/dsa/trace.h
@@ -0,0 +1,329 @@
+/* SPDX-License-Identifier: GPL-2.0
+ * Copyright 2022-2023 NXP
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM dsa
+
+#if !defined(_NET_DSA_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _NET_DSA_TRACE_H
+
+#include <net/dsa.h>
+#include <linux/etherdevice.h>
+#include <linux/refcount.h>
+#include <linux/tracepoint.h>
+
+/* Enough to fit "bridge %s num %d" where num has 3 digits */
+#define DSA_DB_BUFSIZ (IFNAMSIZ + 16)
+
+void dsa_db_print(const struct dsa_db *db, char buf[DSA_DB_BUFSIZ]);
+const char *dsa_port_kind(const struct dsa_port *dp);
+
+DECLARE_EVENT_CLASS(dsa_port_addr_op_hw,
+
+ TP_PROTO(const struct dsa_port *dp, const unsigned char *addr, u16 vid,
+ const struct dsa_db *db, int err),
+
+ TP_ARGS(dp, addr, vid, db, err),
+
+ TP_STRUCT__entry(
+ __string(dev, dev_name(dp->ds->dev))
+ __string(kind, dsa_port_kind(dp))
+ __field(int, port)
+ __array(unsigned char, addr, ETH_ALEN)
+ __field(u16, vid)
+ __array(char, db_buf, DSA_DB_BUFSIZ)
+ __field(int, err)
+ ),
+
+ TP_fast_assign(
+ __assign_str(dev, dev_name(dp->ds->dev));
+ __assign_str(kind, dsa_port_kind(dp));
+ __entry->port = dp->index;
+ ether_addr_copy(__entry->addr, addr);
+ __entry->vid = vid;
+ dsa_db_print(db, __entry->db_buf);
+ __entry->err = err;
+ ),
+
+ TP_printk("%s %s port %d addr %pM vid %u db \"%s\" err %d",
+ __get_str(dev), __get_str(kind), __entry->port, __entry->addr,
+ __entry->vid, __entry->db_buf, __entry->err)
+);
+
+/* Add unicast/multicast address to hardware, either on user ports
+ * (where no refcounting is kept), or on shared ports when the entry
+ * is first seen and its refcount is 1.
+ */
+DEFINE_EVENT(dsa_port_addr_op_hw, dsa_fdb_add_hw,
+ TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
+ u16 vid, const struct dsa_db *db, int err),
+ TP_ARGS(dp, addr, vid, db, err));
+
+DEFINE_EVENT(dsa_port_addr_op_hw, dsa_mdb_add_hw,
+ TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
+ u16 vid, const struct dsa_db *db, int err),
+ TP_ARGS(dp, addr, vid, db, err));
+
+/* Delete unicast/multicast address from hardware, either on user ports or
+ * when the refcount on shared ports reaches 0
+ */
+DEFINE_EVENT(dsa_port_addr_op_hw, dsa_fdb_del_hw,
+ TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
+ u16 vid, const struct dsa_db *db, int err),
+ TP_ARGS(dp, addr, vid, db, err));
+
+DEFINE_EVENT(dsa_port_addr_op_hw, dsa_mdb_del_hw,
+ TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
+ u16 vid, const struct dsa_db *db, int err),
+ TP_ARGS(dp, addr, vid, db, err));
+
+DECLARE_EVENT_CLASS(dsa_port_addr_op_refcount,
+
+ TP_PROTO(const struct dsa_port *dp, const unsigned char *addr, u16 vid,
+ const struct dsa_db *db, const refcount_t *refcount),
+
+ TP_ARGS(dp, addr, vid, db, refcount),
+
+ TP_STRUCT__entry(
+ __string(dev, dev_name(dp->ds->dev))
+ __string(kind, dsa_port_kind(dp))
+ __field(int, port)
+ __array(unsigned char, addr, ETH_ALEN)
+ __field(u16, vid)
+ __array(char, db_buf, DSA_DB_BUFSIZ)
+ __field(unsigned int, refcount)
+ ),
+
+ TP_fast_assign(
+ __assign_str(dev, dev_name(dp->ds->dev));
+ __assign_str(kind, dsa_port_kind(dp));
+ __entry->port = dp->index;
+ ether_addr_copy(__entry->addr, addr);
+ __entry->vid = vid;
+ dsa_db_print(db, __entry->db_buf);
+ __entry->refcount = refcount_read(refcount);
+ ),
+
+ TP_printk("%s %s port %d addr %pM vid %u db \"%s\" refcount %u",
+ __get_str(dev), __get_str(kind), __entry->port, __entry->addr,
+ __entry->vid, __entry->db_buf, __entry->refcount)
+);
+
+/* Bump the refcount of an existing unicast/multicast address on shared ports */
+DEFINE_EVENT(dsa_port_addr_op_refcount, dsa_fdb_add_bump,
+ TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
+ u16 vid, const struct dsa_db *db,
+ const refcount_t *refcount),
+ TP_ARGS(dp, addr, vid, db, refcount));
+
+DEFINE_EVENT(dsa_port_addr_op_refcount, dsa_mdb_add_bump,
+ TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
+ u16 vid, const struct dsa_db *db,
+ const refcount_t *refcount),
+ TP_ARGS(dp, addr, vid, db, refcount));
+
+/* Drop the refcount of a multicast address that we still keep on
+ * shared ports
+ */
+DEFINE_EVENT(dsa_port_addr_op_refcount, dsa_fdb_del_drop,
+ TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
+ u16 vid, const struct dsa_db *db,
+ const refcount_t *refcount),
+ TP_ARGS(dp, addr, vid, db, refcount));
+
+DEFINE_EVENT(dsa_port_addr_op_refcount, dsa_mdb_del_drop,
+ TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
+ u16 vid, const struct dsa_db *db,
+ const refcount_t *refcount),
+ TP_ARGS(dp, addr, vid, db, refcount));
+
+DECLARE_EVENT_CLASS(dsa_port_addr_del_not_found,
+
+ TP_PROTO(const struct dsa_port *dp, const unsigned char *addr, u16 vid,
+ const struct dsa_db *db),
+
+ TP_ARGS(dp, addr, vid, db),
+
+ TP_STRUCT__entry(
+ __string(dev, dev_name(dp->ds->dev))
+ __string(kind, dsa_port_kind(dp))
+ __field(int, port)
+ __array(unsigned char, addr, ETH_ALEN)
+ __field(u16, vid)
+ __array(char, db_buf, DSA_DB_BUFSIZ)
+ ),
+
+ TP_fast_assign(
+ __assign_str(dev, dev_name(dp->ds->dev));
+ __assign_str(kind, dsa_port_kind(dp));
+ __entry->port = dp->index;
+ ether_addr_copy(__entry->addr, addr);
+ __entry->vid = vid;
+ dsa_db_print(db, __entry->db_buf);
+ ),
+
+ TP_printk("%s %s port %d addr %pM vid %u db \"%s\"",
+ __get_str(dev), __get_str(kind), __entry->port,
+ __entry->addr, __entry->vid, __entry->db_buf)
+);
+
+/* Attempt to delete a unicast/multicast address on shared ports for which
+ * the delete operation was called more times than the addition
+ */
+DEFINE_EVENT(dsa_port_addr_del_not_found, dsa_fdb_del_not_found,
+ TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
+ u16 vid, const struct dsa_db *db),
+ TP_ARGS(dp, addr, vid, db));
+
+DEFINE_EVENT(dsa_port_addr_del_not_found, dsa_mdb_del_not_found,
+ TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
+ u16 vid, const struct dsa_db *db),
+ TP_ARGS(dp, addr, vid, db));
+
+TRACE_EVENT(dsa_lag_fdb_add_hw,
+
+ TP_PROTO(const struct net_device *lag_dev, const unsigned char *addr,
+ u16 vid, const struct dsa_db *db, int err),
+
+ TP_ARGS(lag_dev, addr, vid, db, err),
+
+ TP_STRUCT__entry(
+ __string(dev, lag_dev->name)
+ __array(unsigned char, addr, ETH_ALEN)
+ __field(u16, vid)
+ __array(char, db_buf, DSA_DB_BUFSIZ)
+ __field(int, err)
+ ),
+
+ TP_fast_assign(
+ __assign_str(dev, lag_dev->name);
+ ether_addr_copy(__entry->addr, addr);
+ __entry->vid = vid;
+ dsa_db_print(db, __entry->db_buf);
+ __entry->err = err;
+ ),
+
+ TP_printk("%s addr %pM vid %u db \"%s\" err %d",
+ __get_str(dev), __entry->addr, __entry->vid,
+ __entry->db_buf, __entry->err)
+);
+
+TRACE_EVENT(dsa_lag_fdb_add_bump,
+
+ TP_PROTO(const struct net_device *lag_dev, const unsigned char *addr,
+ u16 vid, const struct dsa_db *db, const refcount_t *refcount),
+
+ TP_ARGS(lag_dev, addr, vid, db, refcount),
+
+ TP_STRUCT__entry(
+ __string(dev, lag_dev->name)
+ __array(unsigned char, addr, ETH_ALEN)
+ __field(u16, vid)
+ __array(char, db_buf, DSA_DB_BUFSIZ)
+ __field(unsigned int, refcount)
+ ),
+
+ TP_fast_assign(
+ __assign_str(dev, lag_dev->name);
+ ether_addr_copy(__entry->addr, addr);
+ __entry->vid = vid;
+ dsa_db_print(db, __entry->db_buf);
+ __entry->refcount = refcount_read(refcount);
+ ),
+
+ TP_printk("%s addr %pM vid %u db \"%s\" refcount %u",
+ __get_str(dev), __entry->addr, __entry->vid,
+ __entry->db_buf, __entry->refcount)
+);
+
+TRACE_EVENT(dsa_lag_fdb_del_hw,
+
+ TP_PROTO(const struct net_device *lag_dev, const unsigned char *addr,
+ u16 vid, const struct dsa_db *db, int err),
+
+ TP_ARGS(lag_dev, addr, vid, db, err),
+
+ TP_STRUCT__entry(
+ __string(dev, lag_dev->name)
+ __array(unsigned char, addr, ETH_ALEN)
+ __field(u16, vid)
+ __array(char, db_buf, DSA_DB_BUFSIZ)
+ __field(int, err)
+ ),
+
+ TP_fast_assign(
+ __assign_str(dev, lag_dev->name);
+ ether_addr_copy(__entry->addr, addr);
+ __entry->vid = vid;
+ dsa_db_print(db, __entry->db_buf);
+ __entry->err = err;
+ ),
+
+ TP_printk("%s addr %pM vid %u db \"%s\" err %d",
+ __get_str(dev), __entry->addr, __entry->vid,
+ __entry->db_buf, __entry->err)
+);
+
+TRACE_EVENT(dsa_lag_fdb_del_drop,
+
+ TP_PROTO(const struct net_device *lag_dev, const unsigned char *addr,
+ u16 vid, const struct dsa_db *db, const refcount_t *refcount),
+
+ TP_ARGS(lag_dev, addr, vid, db, refcount),
+
+ TP_STRUCT__entry(
+ __string(dev, lag_dev->name)
+ __array(unsigned char, addr, ETH_ALEN)
+ __field(u16, vid)
+ __array(char, db_buf, DSA_DB_BUFSIZ)
+ __field(unsigned int, refcount)
+ ),
+
+ TP_fast_assign(
+ __assign_str(dev, lag_dev->name);
+ ether_addr_copy(__entry->addr, addr);
+ __entry->vid = vid;
+ dsa_db_print(db, __entry->db_buf);
+ __entry->refcount = refcount_read(refcount);
+ ),
+
+ TP_printk("%s addr %pM vid %u db \"%s\" refcount %u",
+ __get_str(dev), __entry->addr, __entry->vid,
+ __entry->db_buf, __entry->refcount)
+);
+
+TRACE_EVENT(dsa_lag_fdb_del_not_found,
+
+ TP_PROTO(const struct net_device *lag_dev, const unsigned char *addr,
+ u16 vid, const struct dsa_db *db),
+
+ TP_ARGS(lag_dev, addr, vid, db),
+
+ TP_STRUCT__entry(
+ __string(dev, lag_dev->name)
+ __array(unsigned char, addr, ETH_ALEN)
+ __field(u16, vid)
+ __array(char, db_buf, DSA_DB_BUFSIZ)
+ ),
+
+ TP_fast_assign(
+ __assign_str(dev, lag_dev->name);
+ ether_addr_copy(__entry->addr, addr);
+ __entry->vid = vid;
+ dsa_db_print(db, __entry->db_buf);
+ ),
+
+ TP_printk("%s addr %pM vid %u db \"%s\"",
+ __get_str(dev), __entry->addr, __entry->vid, __entry->db_buf)
+);
+
+#endif /* _NET_DSA_TRACE_H */
+
+/* We don't want to use include/trace/events */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace
+/* This part must be outside protection */
+#include <trace/define_trace.h>
generated by cgit (git 2.34.1) at 2024-06-12 22:33:12 +0000