From ec9663812f32c03e36c8c2ccc83e52dd5a7486d9 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 16 Mar 2018 15:44:28 -0700 Subject: hv_netvsc: add trace points This adds tracepoints to the driver which has proved useful in debugging startup and shutdown race conditions. Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- drivers/net/hyperv/netvsc_trace.h | 182 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 182 insertions(+) create mode 100644 drivers/net/hyperv/netvsc_trace.h (limited to 'drivers/net/hyperv/netvsc_trace.h') diff --git a/drivers/net/hyperv/netvsc_trace.h b/drivers/net/hyperv/netvsc_trace.h new file mode 100644 index 000000000000..f7585563dea5 --- /dev/null +++ b/drivers/net/hyperv/netvsc_trace.h @@ -0,0 +1,182 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#if !defined(_NETVSC_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _NETVSC_TRACE_H + +#include + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM netvsc +#define TRACE_INCLUDE_FILE netvsc_trace + +TRACE_DEFINE_ENUM(RNDIS_MSG_PACKET); +TRACE_DEFINE_ENUM(RNDIS_MSG_INDICATE); +TRACE_DEFINE_ENUM(RNDIS_MSG_INIT); +TRACE_DEFINE_ENUM(RNDIS_MSG_INIT_C); +TRACE_DEFINE_ENUM(RNDIS_MSG_HALT); +TRACE_DEFINE_ENUM(RNDIS_MSG_QUERY); +TRACE_DEFINE_ENUM(RNDIS_MSG_QUERY_C); +TRACE_DEFINE_ENUM(RNDIS_MSG_SET); +TRACE_DEFINE_ENUM(RNDIS_MSG_SET_C); +TRACE_DEFINE_ENUM(RNDIS_MSG_RESET); +TRACE_DEFINE_ENUM(RNDIS_MSG_RESET_C); +TRACE_DEFINE_ENUM(RNDIS_MSG_KEEPALIVE); +TRACE_DEFINE_ENUM(RNDIS_MSG_KEEPALIVE_C); + +#define show_rndis_type(type) \ + __print_symbolic(type, \ + { RNDIS_MSG_PACKET, "PACKET" }, \ + { RNDIS_MSG_INDICATE, "INDICATE", }, \ + { RNDIS_MSG_INIT, "INIT", }, \ + { RNDIS_MSG_INIT_C, "INIT_C", }, \ + { RNDIS_MSG_HALT, "HALT", }, \ + { RNDIS_MSG_QUERY, "QUERY", }, \ + { RNDIS_MSG_QUERY_C, "QUERY_C", }, \ + { RNDIS_MSG_SET, "SET", }, \ + { RNDIS_MSG_SET_C, "SET_C", }, \ + { RNDIS_MSG_RESET, "RESET", }, \ + { RNDIS_MSG_RESET_C, "RESET_C", }, \ + { RNDIS_MSG_KEEPALIVE, "KEEPALIVE", }, \ + { RNDIS_MSG_KEEPALIVE_C, "KEEPALIVE_C", }) + +DECLARE_EVENT_CLASS(rndis_msg_class, + TP_PROTO(const struct net_device *ndev, u16 q, + const struct rndis_message *msg), + TP_ARGS(ndev, q, msg), + TP_STRUCT__entry( + __string( name, ndev->name ) + __field( u16, queue ) + __field( u32, req_id ) + __field( u32, msg_type ) + __field( u32, msg_len ) + ), + TP_fast_assign( + __assign_str(name, ndev->name); + __entry->queue = q; + __entry->req_id = msg->msg.init_req.req_id; + __entry->msg_type = msg->ndis_msg_type; + __entry->msg_len = msg->msg_len; + ), + TP_printk("dev=%s q=%u req=%#x type=%s msg_len=%u", + __get_str(name), __entry->queue, __entry->req_id, + show_rndis_type(__entry->msg_type), __entry->msg_len) +); + +DEFINE_EVENT(rndis_msg_class, rndis_send, + TP_PROTO(const struct net_device *ndev, u16 q, + const struct rndis_message *msg), + TP_ARGS(ndev, q, msg) +); + +DEFINE_EVENT(rndis_msg_class, rndis_recv, + TP_PROTO(const struct net_device *ndev, u16 q, + const struct rndis_message *msg), + TP_ARGS(ndev, q, msg) +); + +TRACE_DEFINE_ENUM(NVSP_MSG_TYPE_INIT); +TRACE_DEFINE_ENUM(NVSP_MSG_TYPE_INIT_COMPLETE); +TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_NDIS_VER); +TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_RECV_BUF); +TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE); +TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_REVOKE_RECV_BUF); +TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_SEND_BUF); +TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE); +TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_REVOKE_SEND_BUF); +TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_RNDIS_PKT); +TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE); +TRACE_DEFINE_ENUM(NVSP_MSG2_TYPE_SEND_NDIS_CONFIG); + +TRACE_DEFINE_ENUM(NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION); +TRACE_DEFINE_ENUM(NVSP_MSG4_TYPE_SWITCH_DATA_PATH); + +TRACE_DEFINE_ENUM(NVSP_MSG5_TYPE_SUBCHANNEL); +TRACE_DEFINE_ENUM(NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE); + +#define show_nvsp_type(type) \ + __print_symbolic(type, \ + { NVSP_MSG_TYPE_INIT, "INIT" }, \ + { NVSP_MSG_TYPE_INIT_COMPLETE, "INIT_COMPLETE" }, \ + { NVSP_MSG1_TYPE_SEND_NDIS_VER, "SEND_NDIS_VER" }, \ + { NVSP_MSG1_TYPE_SEND_RECV_BUF, "SEND_RECV_BUF" }, \ + { NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE, "SEND_RECV_BUF_COMPLETE" }, \ + { NVSP_MSG1_TYPE_REVOKE_RECV_BUF, "REVOKE_RECV_BUF" }, \ + { NVSP_MSG1_TYPE_SEND_SEND_BUF, "SEND_SEND_BUF" }, \ + { NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE, "SEND_SEND_BUF_COMPLETE" }, \ + { NVSP_MSG1_TYPE_REVOKE_SEND_BUF, "REVOKE_SEND_BUF" }, \ + { NVSP_MSG1_TYPE_SEND_RNDIS_PKT, "SEND_RNDIS_PKT" }, \ + { NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE, "SEND_RNDIS_PKT_COMPLETE" },\ + { NVSP_MSG2_TYPE_SEND_NDIS_CONFIG, "SEND_NDIS_CONFIG" }, \ + { NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION, "SEND_VF_ASSOCIATION" }, \ + { NVSP_MSG4_TYPE_SWITCH_DATA_PATH, "SWITCH_DATA_PATH" }, \ + { NVSP_MSG5_TYPE_SUBCHANNEL, "SUBCHANNEL" }, \ + { NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, "SEND_INDIRECTION_TABLE" }) + +TRACE_EVENT(nvsp_send, + TP_PROTO(const struct net_device *ndev, + const struct nvsp_message *msg), + TP_ARGS(ndev, msg), + TP_STRUCT__entry( + __string( name, ndev->name ) + __field( u32, msg_type ) + ), + TP_fast_assign( + __assign_str(name, ndev->name); + __entry->msg_type = msg->hdr.msg_type; + ), + TP_printk("dev=%s type=%s", + __get_str(name), + show_nvsp_type(__entry->msg_type)) +); + +TRACE_EVENT(nvsp_send_pkt, + TP_PROTO(const struct net_device *ndev, + const struct vmbus_channel *chan, + const struct nvsp_1_message_send_rndis_packet *rpkt), + TP_ARGS(ndev, chan, rpkt), + TP_STRUCT__entry( + __string( name, ndev->name ) + __field( u16, qid ) + __field( u32, channel_type ) + __field( u32, section_index ) + __field( u32, section_size ) + ), + TP_fast_assign( + __assign_str(name, ndev->name); + __entry->qid = chan->offermsg.offer.sub_channel_index; + __entry->channel_type = rpkt->channel_type; + __entry->section_index = rpkt->send_buf_section_index; + __entry->section_size = rpkt->send_buf_section_size; + ), + TP_printk("dev=%s qid=%u type=%s section=%u size=%d", + __get_str(name), __entry->qid, + __entry->channel_type ? "CONTROL" : "DATA", + __entry->section_index, __entry->section_size) +); + +TRACE_EVENT(nvsp_recv, + TP_PROTO(const struct net_device *ndev, + const struct vmbus_channel *chan, + const struct nvsp_message *msg), + TP_ARGS(ndev, chan, msg), + TP_STRUCT__entry( + __string( name, ndev->name ) + __field( u16, qid ) + __field( u32, msg_type ) + ), + TP_fast_assign( + __assign_str(name, ndev->name); + __entry->qid = chan->offermsg.offer.sub_channel_index; + __entry->msg_type = msg->hdr.msg_type; + ), + TP_printk("dev=%s qid=%u type=%s", + __get_str(name), __entry->qid, + show_nvsp_type(__entry->msg_type)) +); + +#endif /* _NETVSC_TRACE_H */ + +/* This part must be outside protection */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH ../../drivers/net/hyperv +#include -- cgit v1.2.3-55-g7522