diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/dpaa/dpaa_eth_trace.h')
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa/dpaa_eth_trace.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth_trace.h b/drivers/net/ethernet/freescale/dpaa/dpaa_eth_trace.h new file mode 100644 index 000000000000..409c1dc39430 --- /dev/null +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth_trace.h @@ -0,0 +1,141 @@ +/* Copyright 2013-2015 Freescale Semiconductor Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * * Neither the name of Freescale Semiconductor 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") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' 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 Freescale Semiconductor 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 dpaa_eth + +#if !defined(_DPAA_ETH_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _DPAA_ETH_TRACE_H + +#include <linux/skbuff.h> +#include <linux/netdevice.h> +#include "dpaa_eth.h" +#include <linux/tracepoint.h> + +#define fd_format_name(format) { qm_fd_##format, #format } +#define fd_format_list \ + fd_format_name(contig), \ + fd_format_name(sg) + +/* This is used to declare a class of events. + * individual events of this type will be defined below. + */ + +/* Store details about a frame descriptor and the FQ on which it was + * transmitted/received. + */ +DECLARE_EVENT_CLASS(dpaa_eth_fd, + /* Trace function prototype */ + TP_PROTO(struct net_device *netdev, + struct qman_fq *fq, + const struct qm_fd *fd), + + /* Repeat argument list here */ + TP_ARGS(netdev, fq, fd), + + /* A structure containing the relevant information we want to record. + * Declare name and type for each normal element, name, type and size + * for arrays. Use __string for variable length strings. + */ + TP_STRUCT__entry( + __field(u32, fqid) + __field(u64, fd_addr) + __field(u8, fd_format) + __field(u16, fd_offset) + __field(u32, fd_length) + __field(u32, fd_status) + __string(name, netdev->name) + ), + + /* The function that assigns values to the above declared fields */ + TP_fast_assign( + __entry->fqid = fq->fqid; + __entry->fd_addr = qm_fd_addr_get64(fd); + __entry->fd_format = qm_fd_get_format(fd); + __entry->fd_offset = qm_fd_get_offset(fd); + __entry->fd_length = qm_fd_get_length(fd); + __entry->fd_status = fd->status; + __assign_str(name, netdev->name); + ), + + /* This is what gets printed when the trace event is triggered */ + TP_printk("[%s] fqid=%d, fd: addr=0x%llx, format=%s, off=%u, len=%u, status=0x%08x", + __get_str(name), __entry->fqid, __entry->fd_addr, + __print_symbolic(__entry->fd_format, fd_format_list), + __entry->fd_offset, __entry->fd_length, __entry->fd_status) +); + +/* Now declare events of the above type. Format is: + * DEFINE_EVENT(class, name, proto, args), with proto and args same as for class + */ + +/* Tx (egress) fd */ +DEFINE_EVENT(dpaa_eth_fd, dpaa_tx_fd, + + TP_PROTO(struct net_device *netdev, + struct qman_fq *fq, + const struct qm_fd *fd), + + TP_ARGS(netdev, fq, fd) +); + +/* Rx fd */ +DEFINE_EVENT(dpaa_eth_fd, dpaa_rx_fd, + + TP_PROTO(struct net_device *netdev, + struct qman_fq *fq, + const struct qm_fd *fd), + + TP_ARGS(netdev, fq, fd) +); + +/* Tx confirmation fd */ +DEFINE_EVENT(dpaa_eth_fd, dpaa_tx_conf_fd, + + TP_PROTO(struct net_device *netdev, + struct qman_fq *fq, + const struct qm_fd *fd), + + TP_ARGS(netdev, fq, fd) +); + +/* If only one event of a certain type needs to be declared, use TRACE_EVENT(). + * The syntax is the same as for DECLARE_EVENT_CLASS(). + */ + +#endif /* _DPAA_ETH_TRACE_H */ + +/* This must be outside ifdef _DPAA_ETH_TRACE_H */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE dpaa_eth_trace +#include <trace/define_trace.h> |