![Stephen Hemminger](/assets/img/avatar_default.png)
This adds tracepoints to the driver which has proved useful in debugging startup and shutdown race conditions. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
183 lines
6.2 KiB
C
183 lines
6.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#if !defined(_NETVSC_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _NETVSC_TRACE_H
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#include <linux/tracepoint.h>
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM netvsc
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#define TRACE_INCLUDE_FILE netvsc_trace
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TRACE_DEFINE_ENUM(RNDIS_MSG_PACKET);
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TRACE_DEFINE_ENUM(RNDIS_MSG_INDICATE);
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TRACE_DEFINE_ENUM(RNDIS_MSG_INIT);
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TRACE_DEFINE_ENUM(RNDIS_MSG_INIT_C);
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TRACE_DEFINE_ENUM(RNDIS_MSG_HALT);
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TRACE_DEFINE_ENUM(RNDIS_MSG_QUERY);
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TRACE_DEFINE_ENUM(RNDIS_MSG_QUERY_C);
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TRACE_DEFINE_ENUM(RNDIS_MSG_SET);
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TRACE_DEFINE_ENUM(RNDIS_MSG_SET_C);
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TRACE_DEFINE_ENUM(RNDIS_MSG_RESET);
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TRACE_DEFINE_ENUM(RNDIS_MSG_RESET_C);
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TRACE_DEFINE_ENUM(RNDIS_MSG_KEEPALIVE);
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TRACE_DEFINE_ENUM(RNDIS_MSG_KEEPALIVE_C);
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#define show_rndis_type(type) \
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__print_symbolic(type, \
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{ RNDIS_MSG_PACKET, "PACKET" }, \
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{ RNDIS_MSG_INDICATE, "INDICATE", }, \
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{ RNDIS_MSG_INIT, "INIT", }, \
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{ RNDIS_MSG_INIT_C, "INIT_C", }, \
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{ RNDIS_MSG_HALT, "HALT", }, \
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{ RNDIS_MSG_QUERY, "QUERY", }, \
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{ RNDIS_MSG_QUERY_C, "QUERY_C", }, \
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{ RNDIS_MSG_SET, "SET", }, \
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{ RNDIS_MSG_SET_C, "SET_C", }, \
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{ RNDIS_MSG_RESET, "RESET", }, \
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{ RNDIS_MSG_RESET_C, "RESET_C", }, \
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{ RNDIS_MSG_KEEPALIVE, "KEEPALIVE", }, \
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{ RNDIS_MSG_KEEPALIVE_C, "KEEPALIVE_C", })
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DECLARE_EVENT_CLASS(rndis_msg_class,
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TP_PROTO(const struct net_device *ndev, u16 q,
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const struct rndis_message *msg),
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TP_ARGS(ndev, q, msg),
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TP_STRUCT__entry(
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__string( name, ndev->name )
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__field( u16, queue )
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__field( u32, req_id )
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__field( u32, msg_type )
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__field( u32, msg_len )
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),
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TP_fast_assign(
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__assign_str(name, ndev->name);
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__entry->queue = q;
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__entry->req_id = msg->msg.init_req.req_id;
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__entry->msg_type = msg->ndis_msg_type;
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__entry->msg_len = msg->msg_len;
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),
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TP_printk("dev=%s q=%u req=%#x type=%s msg_len=%u",
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__get_str(name), __entry->queue, __entry->req_id,
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show_rndis_type(__entry->msg_type), __entry->msg_len)
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);
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DEFINE_EVENT(rndis_msg_class, rndis_send,
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TP_PROTO(const struct net_device *ndev, u16 q,
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const struct rndis_message *msg),
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TP_ARGS(ndev, q, msg)
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);
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DEFINE_EVENT(rndis_msg_class, rndis_recv,
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TP_PROTO(const struct net_device *ndev, u16 q,
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const struct rndis_message *msg),
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TP_ARGS(ndev, q, msg)
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);
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TRACE_DEFINE_ENUM(NVSP_MSG_TYPE_INIT);
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TRACE_DEFINE_ENUM(NVSP_MSG_TYPE_INIT_COMPLETE);
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TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_NDIS_VER);
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TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_RECV_BUF);
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TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE);
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TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_REVOKE_RECV_BUF);
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TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_SEND_BUF);
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TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE);
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TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_REVOKE_SEND_BUF);
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TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_RNDIS_PKT);
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TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE);
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TRACE_DEFINE_ENUM(NVSP_MSG2_TYPE_SEND_NDIS_CONFIG);
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TRACE_DEFINE_ENUM(NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION);
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TRACE_DEFINE_ENUM(NVSP_MSG4_TYPE_SWITCH_DATA_PATH);
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TRACE_DEFINE_ENUM(NVSP_MSG5_TYPE_SUBCHANNEL);
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TRACE_DEFINE_ENUM(NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE);
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#define show_nvsp_type(type) \
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__print_symbolic(type, \
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{ NVSP_MSG_TYPE_INIT, "INIT" }, \
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{ NVSP_MSG_TYPE_INIT_COMPLETE, "INIT_COMPLETE" }, \
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{ NVSP_MSG1_TYPE_SEND_NDIS_VER, "SEND_NDIS_VER" }, \
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{ NVSP_MSG1_TYPE_SEND_RECV_BUF, "SEND_RECV_BUF" }, \
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{ NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE, "SEND_RECV_BUF_COMPLETE" }, \
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{ NVSP_MSG1_TYPE_REVOKE_RECV_BUF, "REVOKE_RECV_BUF" }, \
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{ NVSP_MSG1_TYPE_SEND_SEND_BUF, "SEND_SEND_BUF" }, \
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{ NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE, "SEND_SEND_BUF_COMPLETE" }, \
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{ NVSP_MSG1_TYPE_REVOKE_SEND_BUF, "REVOKE_SEND_BUF" }, \
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{ NVSP_MSG1_TYPE_SEND_RNDIS_PKT, "SEND_RNDIS_PKT" }, \
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{ NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE, "SEND_RNDIS_PKT_COMPLETE" },\
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{ NVSP_MSG2_TYPE_SEND_NDIS_CONFIG, "SEND_NDIS_CONFIG" }, \
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{ NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION, "SEND_VF_ASSOCIATION" }, \
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{ NVSP_MSG4_TYPE_SWITCH_DATA_PATH, "SWITCH_DATA_PATH" }, \
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{ NVSP_MSG5_TYPE_SUBCHANNEL, "SUBCHANNEL" }, \
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{ NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, "SEND_INDIRECTION_TABLE" })
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TRACE_EVENT(nvsp_send,
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TP_PROTO(const struct net_device *ndev,
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const struct nvsp_message *msg),
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TP_ARGS(ndev, msg),
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TP_STRUCT__entry(
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__string( name, ndev->name )
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__field( u32, msg_type )
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),
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TP_fast_assign(
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__assign_str(name, ndev->name);
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__entry->msg_type = msg->hdr.msg_type;
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),
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TP_printk("dev=%s type=%s",
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__get_str(name),
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show_nvsp_type(__entry->msg_type))
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);
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TRACE_EVENT(nvsp_send_pkt,
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TP_PROTO(const struct net_device *ndev,
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const struct vmbus_channel *chan,
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const struct nvsp_1_message_send_rndis_packet *rpkt),
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TP_ARGS(ndev, chan, rpkt),
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TP_STRUCT__entry(
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__string( name, ndev->name )
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__field( u16, qid )
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__field( u32, channel_type )
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__field( u32, section_index )
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__field( u32, section_size )
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),
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TP_fast_assign(
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__assign_str(name, ndev->name);
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__entry->qid = chan->offermsg.offer.sub_channel_index;
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__entry->channel_type = rpkt->channel_type;
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__entry->section_index = rpkt->send_buf_section_index;
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__entry->section_size = rpkt->send_buf_section_size;
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),
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TP_printk("dev=%s qid=%u type=%s section=%u size=%d",
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__get_str(name), __entry->qid,
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__entry->channel_type ? "CONTROL" : "DATA",
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__entry->section_index, __entry->section_size)
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);
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TRACE_EVENT(nvsp_recv,
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TP_PROTO(const struct net_device *ndev,
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const struct vmbus_channel *chan,
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const struct nvsp_message *msg),
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TP_ARGS(ndev, chan, msg),
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TP_STRUCT__entry(
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__string( name, ndev->name )
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__field( u16, qid )
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__field( u32, msg_type )
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),
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TP_fast_assign(
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__assign_str(name, ndev->name);
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__entry->qid = chan->offermsg.offer.sub_channel_index;
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__entry->msg_type = msg->hdr.msg_type;
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),
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TP_printk("dev=%s qid=%u type=%s",
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__get_str(name), __entry->qid,
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show_nvsp_type(__entry->msg_type))
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);
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#endif /* _NETVSC_TRACE_H */
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/* This part must be outside protection */
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH ../../drivers/net/hyperv
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#include <trace/define_trace.h>
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