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02020bd70f
These are not as critical as the FDB/MDB trace points (I'm not aware of outstanding VLAN related bugs), but maybe they are useful to somebody, either debugging something or simply trying to learn more. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
447 lines
13 KiB
C
447 lines
13 KiB
C
/* SPDX-License-Identifier: GPL-2.0
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* Copyright 2022-2023 NXP
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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM dsa
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#if !defined(_NET_DSA_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _NET_DSA_TRACE_H
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#include <net/dsa.h>
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#include <net/switchdev.h>
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#include <linux/etherdevice.h>
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#include <linux/if_bridge.h>
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#include <linux/refcount.h>
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#include <linux/tracepoint.h>
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/* Enough to fit "bridge %s num %d" where num has 3 digits */
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#define DSA_DB_BUFSIZ (IFNAMSIZ + 16)
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void dsa_db_print(const struct dsa_db *db, char buf[DSA_DB_BUFSIZ]);
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const char *dsa_port_kind(const struct dsa_port *dp);
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DECLARE_EVENT_CLASS(dsa_port_addr_op_hw,
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TP_PROTO(const struct dsa_port *dp, const unsigned char *addr, u16 vid,
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const struct dsa_db *db, int err),
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TP_ARGS(dp, addr, vid, db, err),
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TP_STRUCT__entry(
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__string(dev, dev_name(dp->ds->dev))
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__string(kind, dsa_port_kind(dp))
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__field(int, port)
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__array(unsigned char, addr, ETH_ALEN)
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__field(u16, vid)
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__array(char, db_buf, DSA_DB_BUFSIZ)
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__field(int, err)
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),
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TP_fast_assign(
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__assign_str(dev, dev_name(dp->ds->dev));
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__assign_str(kind, dsa_port_kind(dp));
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__entry->port = dp->index;
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ether_addr_copy(__entry->addr, addr);
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__entry->vid = vid;
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dsa_db_print(db, __entry->db_buf);
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__entry->err = err;
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),
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TP_printk("%s %s port %d addr %pM vid %u db \"%s\" err %d",
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__get_str(dev), __get_str(kind), __entry->port, __entry->addr,
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__entry->vid, __entry->db_buf, __entry->err)
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);
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/* Add unicast/multicast address to hardware, either on user ports
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* (where no refcounting is kept), or on shared ports when the entry
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* is first seen and its refcount is 1.
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*/
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DEFINE_EVENT(dsa_port_addr_op_hw, dsa_fdb_add_hw,
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TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
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u16 vid, const struct dsa_db *db, int err),
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TP_ARGS(dp, addr, vid, db, err));
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DEFINE_EVENT(dsa_port_addr_op_hw, dsa_mdb_add_hw,
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TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
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u16 vid, const struct dsa_db *db, int err),
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TP_ARGS(dp, addr, vid, db, err));
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/* Delete unicast/multicast address from hardware, either on user ports or
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* when the refcount on shared ports reaches 0
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*/
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DEFINE_EVENT(dsa_port_addr_op_hw, dsa_fdb_del_hw,
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TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
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u16 vid, const struct dsa_db *db, int err),
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TP_ARGS(dp, addr, vid, db, err));
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DEFINE_EVENT(dsa_port_addr_op_hw, dsa_mdb_del_hw,
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TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
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u16 vid, const struct dsa_db *db, int err),
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TP_ARGS(dp, addr, vid, db, err));
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DECLARE_EVENT_CLASS(dsa_port_addr_op_refcount,
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TP_PROTO(const struct dsa_port *dp, const unsigned char *addr, u16 vid,
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const struct dsa_db *db, const refcount_t *refcount),
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TP_ARGS(dp, addr, vid, db, refcount),
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TP_STRUCT__entry(
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__string(dev, dev_name(dp->ds->dev))
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__string(kind, dsa_port_kind(dp))
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__field(int, port)
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__array(unsigned char, addr, ETH_ALEN)
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__field(u16, vid)
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__array(char, db_buf, DSA_DB_BUFSIZ)
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__field(unsigned int, refcount)
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),
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TP_fast_assign(
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__assign_str(dev, dev_name(dp->ds->dev));
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__assign_str(kind, dsa_port_kind(dp));
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__entry->port = dp->index;
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ether_addr_copy(__entry->addr, addr);
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__entry->vid = vid;
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dsa_db_print(db, __entry->db_buf);
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__entry->refcount = refcount_read(refcount);
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),
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TP_printk("%s %s port %d addr %pM vid %u db \"%s\" refcount %u",
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__get_str(dev), __get_str(kind), __entry->port, __entry->addr,
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__entry->vid, __entry->db_buf, __entry->refcount)
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);
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/* Bump the refcount of an existing unicast/multicast address on shared ports */
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DEFINE_EVENT(dsa_port_addr_op_refcount, dsa_fdb_add_bump,
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TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
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u16 vid, const struct dsa_db *db,
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const refcount_t *refcount),
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TP_ARGS(dp, addr, vid, db, refcount));
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DEFINE_EVENT(dsa_port_addr_op_refcount, dsa_mdb_add_bump,
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TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
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u16 vid, const struct dsa_db *db,
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const refcount_t *refcount),
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TP_ARGS(dp, addr, vid, db, refcount));
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/* Drop the refcount of a multicast address that we still keep on
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* shared ports
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*/
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DEFINE_EVENT(dsa_port_addr_op_refcount, dsa_fdb_del_drop,
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TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
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u16 vid, const struct dsa_db *db,
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const refcount_t *refcount),
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TP_ARGS(dp, addr, vid, db, refcount));
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DEFINE_EVENT(dsa_port_addr_op_refcount, dsa_mdb_del_drop,
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TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
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u16 vid, const struct dsa_db *db,
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const refcount_t *refcount),
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TP_ARGS(dp, addr, vid, db, refcount));
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DECLARE_EVENT_CLASS(dsa_port_addr_del_not_found,
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TP_PROTO(const struct dsa_port *dp, const unsigned char *addr, u16 vid,
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const struct dsa_db *db),
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TP_ARGS(dp, addr, vid, db),
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TP_STRUCT__entry(
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__string(dev, dev_name(dp->ds->dev))
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__string(kind, dsa_port_kind(dp))
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__field(int, port)
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__array(unsigned char, addr, ETH_ALEN)
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__field(u16, vid)
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__array(char, db_buf, DSA_DB_BUFSIZ)
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),
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TP_fast_assign(
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__assign_str(dev, dev_name(dp->ds->dev));
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__assign_str(kind, dsa_port_kind(dp));
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__entry->port = dp->index;
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ether_addr_copy(__entry->addr, addr);
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__entry->vid = vid;
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dsa_db_print(db, __entry->db_buf);
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),
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TP_printk("%s %s port %d addr %pM vid %u db \"%s\"",
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__get_str(dev), __get_str(kind), __entry->port,
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__entry->addr, __entry->vid, __entry->db_buf)
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);
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/* Attempt to delete a unicast/multicast address on shared ports for which
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* the delete operation was called more times than the addition
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*/
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DEFINE_EVENT(dsa_port_addr_del_not_found, dsa_fdb_del_not_found,
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TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
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u16 vid, const struct dsa_db *db),
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TP_ARGS(dp, addr, vid, db));
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DEFINE_EVENT(dsa_port_addr_del_not_found, dsa_mdb_del_not_found,
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TP_PROTO(const struct dsa_port *dp, const unsigned char *addr,
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u16 vid, const struct dsa_db *db),
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TP_ARGS(dp, addr, vid, db));
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TRACE_EVENT(dsa_lag_fdb_add_hw,
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TP_PROTO(const struct net_device *lag_dev, const unsigned char *addr,
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u16 vid, const struct dsa_db *db, int err),
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TP_ARGS(lag_dev, addr, vid, db, err),
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TP_STRUCT__entry(
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__string(dev, lag_dev->name)
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__array(unsigned char, addr, ETH_ALEN)
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__field(u16, vid)
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__array(char, db_buf, DSA_DB_BUFSIZ)
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__field(int, err)
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),
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TP_fast_assign(
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__assign_str(dev, lag_dev->name);
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ether_addr_copy(__entry->addr, addr);
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__entry->vid = vid;
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dsa_db_print(db, __entry->db_buf);
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__entry->err = err;
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),
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TP_printk("%s addr %pM vid %u db \"%s\" err %d",
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__get_str(dev), __entry->addr, __entry->vid,
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__entry->db_buf, __entry->err)
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);
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TRACE_EVENT(dsa_lag_fdb_add_bump,
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TP_PROTO(const struct net_device *lag_dev, const unsigned char *addr,
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u16 vid, const struct dsa_db *db, const refcount_t *refcount),
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TP_ARGS(lag_dev, addr, vid, db, refcount),
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TP_STRUCT__entry(
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__string(dev, lag_dev->name)
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__array(unsigned char, addr, ETH_ALEN)
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__field(u16, vid)
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__array(char, db_buf, DSA_DB_BUFSIZ)
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__field(unsigned int, refcount)
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),
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TP_fast_assign(
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__assign_str(dev, lag_dev->name);
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ether_addr_copy(__entry->addr, addr);
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__entry->vid = vid;
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dsa_db_print(db, __entry->db_buf);
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__entry->refcount = refcount_read(refcount);
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),
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TP_printk("%s addr %pM vid %u db \"%s\" refcount %u",
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__get_str(dev), __entry->addr, __entry->vid,
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__entry->db_buf, __entry->refcount)
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);
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TRACE_EVENT(dsa_lag_fdb_del_hw,
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TP_PROTO(const struct net_device *lag_dev, const unsigned char *addr,
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u16 vid, const struct dsa_db *db, int err),
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TP_ARGS(lag_dev, addr, vid, db, err),
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TP_STRUCT__entry(
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__string(dev, lag_dev->name)
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__array(unsigned char, addr, ETH_ALEN)
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__field(u16, vid)
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__array(char, db_buf, DSA_DB_BUFSIZ)
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__field(int, err)
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),
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TP_fast_assign(
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__assign_str(dev, lag_dev->name);
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ether_addr_copy(__entry->addr, addr);
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__entry->vid = vid;
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dsa_db_print(db, __entry->db_buf);
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__entry->err = err;
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),
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TP_printk("%s addr %pM vid %u db \"%s\" err %d",
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__get_str(dev), __entry->addr, __entry->vid,
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__entry->db_buf, __entry->err)
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);
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TRACE_EVENT(dsa_lag_fdb_del_drop,
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TP_PROTO(const struct net_device *lag_dev, const unsigned char *addr,
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u16 vid, const struct dsa_db *db, const refcount_t *refcount),
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TP_ARGS(lag_dev, addr, vid, db, refcount),
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TP_STRUCT__entry(
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__string(dev, lag_dev->name)
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__array(unsigned char, addr, ETH_ALEN)
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__field(u16, vid)
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__array(char, db_buf, DSA_DB_BUFSIZ)
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__field(unsigned int, refcount)
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),
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TP_fast_assign(
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__assign_str(dev, lag_dev->name);
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ether_addr_copy(__entry->addr, addr);
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__entry->vid = vid;
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dsa_db_print(db, __entry->db_buf);
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__entry->refcount = refcount_read(refcount);
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),
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TP_printk("%s addr %pM vid %u db \"%s\" refcount %u",
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__get_str(dev), __entry->addr, __entry->vid,
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__entry->db_buf, __entry->refcount)
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);
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TRACE_EVENT(dsa_lag_fdb_del_not_found,
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TP_PROTO(const struct net_device *lag_dev, const unsigned char *addr,
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u16 vid, const struct dsa_db *db),
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TP_ARGS(lag_dev, addr, vid, db),
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TP_STRUCT__entry(
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__string(dev, lag_dev->name)
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__array(unsigned char, addr, ETH_ALEN)
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__field(u16, vid)
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__array(char, db_buf, DSA_DB_BUFSIZ)
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),
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TP_fast_assign(
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__assign_str(dev, lag_dev->name);
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ether_addr_copy(__entry->addr, addr);
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__entry->vid = vid;
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dsa_db_print(db, __entry->db_buf);
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),
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TP_printk("%s addr %pM vid %u db \"%s\"",
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__get_str(dev), __entry->addr, __entry->vid, __entry->db_buf)
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);
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DECLARE_EVENT_CLASS(dsa_vlan_op_hw,
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TP_PROTO(const struct dsa_port *dp,
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const struct switchdev_obj_port_vlan *vlan, int err),
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TP_ARGS(dp, vlan, err),
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TP_STRUCT__entry(
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__string(dev, dev_name(dp->ds->dev))
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__string(kind, dsa_port_kind(dp))
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__field(int, port)
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__field(u16, vid)
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__field(u16, flags)
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__field(bool, changed)
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__field(int, err)
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),
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TP_fast_assign(
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__assign_str(dev, dev_name(dp->ds->dev));
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__assign_str(kind, dsa_port_kind(dp));
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__entry->port = dp->index;
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__entry->vid = vlan->vid;
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__entry->flags = vlan->flags;
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__entry->changed = vlan->changed;
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__entry->err = err;
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),
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TP_printk("%s %s port %d vid %u%s%s%s",
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__get_str(dev), __get_str(kind), __entry->port, __entry->vid,
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__entry->flags & BRIDGE_VLAN_INFO_PVID ? " pvid" : "",
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__entry->flags & BRIDGE_VLAN_INFO_UNTAGGED ? " untagged" : "",
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__entry->changed ? " (changed)" : "")
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);
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DEFINE_EVENT(dsa_vlan_op_hw, dsa_vlan_add_hw,
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TP_PROTO(const struct dsa_port *dp,
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const struct switchdev_obj_port_vlan *vlan, int err),
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TP_ARGS(dp, vlan, err));
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DEFINE_EVENT(dsa_vlan_op_hw, dsa_vlan_del_hw,
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TP_PROTO(const struct dsa_port *dp,
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const struct switchdev_obj_port_vlan *vlan, int err),
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TP_ARGS(dp, vlan, err));
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DECLARE_EVENT_CLASS(dsa_vlan_op_refcount,
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TP_PROTO(const struct dsa_port *dp,
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const struct switchdev_obj_port_vlan *vlan,
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const refcount_t *refcount),
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TP_ARGS(dp, vlan, refcount),
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TP_STRUCT__entry(
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__string(dev, dev_name(dp->ds->dev))
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__string(kind, dsa_port_kind(dp))
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__field(int, port)
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__field(u16, vid)
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__field(u16, flags)
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__field(bool, changed)
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__field(unsigned int, refcount)
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),
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TP_fast_assign(
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__assign_str(dev, dev_name(dp->ds->dev));
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__assign_str(kind, dsa_port_kind(dp));
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__entry->port = dp->index;
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__entry->vid = vlan->vid;
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__entry->flags = vlan->flags;
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__entry->changed = vlan->changed;
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__entry->refcount = refcount_read(refcount);
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),
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TP_printk("%s %s port %d vid %u%s%s%s refcount %u",
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__get_str(dev), __get_str(kind), __entry->port, __entry->vid,
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__entry->flags & BRIDGE_VLAN_INFO_PVID ? " pvid" : "",
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__entry->flags & BRIDGE_VLAN_INFO_UNTAGGED ? " untagged" : "",
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__entry->changed ? " (changed)" : "", __entry->refcount)
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);
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DEFINE_EVENT(dsa_vlan_op_refcount, dsa_vlan_add_bump,
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TP_PROTO(const struct dsa_port *dp,
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const struct switchdev_obj_port_vlan *vlan,
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const refcount_t *refcount),
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TP_ARGS(dp, vlan, refcount));
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DEFINE_EVENT(dsa_vlan_op_refcount, dsa_vlan_del_drop,
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TP_PROTO(const struct dsa_port *dp,
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const struct switchdev_obj_port_vlan *vlan,
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const refcount_t *refcount),
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TP_ARGS(dp, vlan, refcount));
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TRACE_EVENT(dsa_vlan_del_not_found,
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TP_PROTO(const struct dsa_port *dp,
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const struct switchdev_obj_port_vlan *vlan),
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TP_ARGS(dp, vlan),
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TP_STRUCT__entry(
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__string(dev, dev_name(dp->ds->dev))
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__string(kind, dsa_port_kind(dp))
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__field(int, port)
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__field(u16, vid)
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),
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TP_fast_assign(
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__assign_str(dev, dev_name(dp->ds->dev));
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__assign_str(kind, dsa_port_kind(dp));
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__entry->port = dp->index;
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__entry->vid = vlan->vid;
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),
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TP_printk("%s %s port %d vid %u",
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__get_str(dev), __get_str(kind), __entry->port, __entry->vid)
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);
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#endif /* _NET_DSA_TRACE_H */
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/* We don't want to use include/trace/events */
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_FILE trace
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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