mirror of https://gitee.com/openkylin/linux.git
142 lines
4.6 KiB
C
142 lines
4.6 KiB
C
/* Copyright 2013-2015 Freescale Semiconductor Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Freescale Semiconductor nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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*
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* ALTERNATIVELY, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") as published by the Free Software
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* Foundation, either version 2 of that License or (at your option) any
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* later version.
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*
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* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM dpaa_eth
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#if !defined(_DPAA_ETH_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _DPAA_ETH_TRACE_H
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#include <linux/skbuff.h>
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#include <linux/netdevice.h>
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#include "dpaa_eth.h"
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#include <linux/tracepoint.h>
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#define fd_format_name(format) { qm_fd_##format, #format }
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#define fd_format_list \
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fd_format_name(contig), \
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fd_format_name(sg)
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/* This is used to declare a class of events.
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* individual events of this type will be defined below.
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*/
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/* Store details about a frame descriptor and the FQ on which it was
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* transmitted/received.
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*/
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DECLARE_EVENT_CLASS(dpaa_eth_fd,
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/* Trace function prototype */
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TP_PROTO(struct net_device *netdev,
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struct qman_fq *fq,
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const struct qm_fd *fd),
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/* Repeat argument list here */
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TP_ARGS(netdev, fq, fd),
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/* A structure containing the relevant information we want to record.
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* Declare name and type for each normal element, name, type and size
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* for arrays. Use __string for variable length strings.
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*/
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TP_STRUCT__entry(
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__field(u32, fqid)
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__field(u64, fd_addr)
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__field(u8, fd_format)
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__field(u16, fd_offset)
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__field(u32, fd_length)
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__field(u32, fd_status)
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__string(name, netdev->name)
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),
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/* The function that assigns values to the above declared fields */
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TP_fast_assign(
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__entry->fqid = fq->fqid;
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__entry->fd_addr = qm_fd_addr_get64(fd);
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__entry->fd_format = qm_fd_get_format(fd);
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__entry->fd_offset = qm_fd_get_offset(fd);
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__entry->fd_length = qm_fd_get_length(fd);
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__entry->fd_status = fd->status;
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__assign_str(name, netdev->name);
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),
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/* This is what gets printed when the trace event is triggered */
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TP_printk("[%s] fqid=%d, fd: addr=0x%llx, format=%s, off=%u, len=%u, status=0x%08x",
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__get_str(name), __entry->fqid, __entry->fd_addr,
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__print_symbolic(__entry->fd_format, fd_format_list),
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__entry->fd_offset, __entry->fd_length, __entry->fd_status)
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);
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/* Now declare events of the above type. Format is:
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* DEFINE_EVENT(class, name, proto, args), with proto and args same as for class
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*/
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/* Tx (egress) fd */
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DEFINE_EVENT(dpaa_eth_fd, dpaa_tx_fd,
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TP_PROTO(struct net_device *netdev,
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struct qman_fq *fq,
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const struct qm_fd *fd),
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TP_ARGS(netdev, fq, fd)
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);
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/* Rx fd */
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DEFINE_EVENT(dpaa_eth_fd, dpaa_rx_fd,
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TP_PROTO(struct net_device *netdev,
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struct qman_fq *fq,
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const struct qm_fd *fd),
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TP_ARGS(netdev, fq, fd)
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);
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/* Tx confirmation fd */
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DEFINE_EVENT(dpaa_eth_fd, dpaa_tx_conf_fd,
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TP_PROTO(struct net_device *netdev,
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struct qman_fq *fq,
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const struct qm_fd *fd),
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TP_ARGS(netdev, fq, fd)
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);
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/* If only one event of a certain type needs to be declared, use TRACE_EVENT().
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* The syntax is the same as for DECLARE_EVENT_CLASS().
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*/
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#endif /* _DPAA_ETH_TRACE_H */
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/* This must be outside ifdef _DPAA_ETH_TRACE_H */
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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 dpaa_eth_trace
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#include <trace/define_trace.h>
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