diff options
Diffstat (limited to 'drivers/net/ethernet/intel/iavf/iavf_trace.h')
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_trace.h | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/iavf/iavf_trace.h b/drivers/net/ethernet/intel/iavf/iavf_trace.h new file mode 100644 index 000000000000..1474f5539751 --- /dev/null +++ b/drivers/net/ethernet/intel/iavf/iavf_trace.h @@ -0,0 +1,209 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2013 - 2018 Intel Corporation. */ + +/* Modeled on trace-events-sample.h */ + +/* The trace subsystem name for iavf will be "iavf". + * + * This file is named iavf_trace.h. + * + * Since this include file's name is different from the trace + * subsystem name, we'll have to define TRACE_INCLUDE_FILE at the end + * of this file. + */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM iavf + +/* See trace-events-sample.h for a detailed description of why this + * guard clause is different from most normal include files. + */ +#if !defined(_I40E_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ) +#define _I40E_TRACE_H_ + +#include <linux/tracepoint.h> + +/** + * iavf_trace() macro enables shared code to refer to trace points + * like: + * + * trace_iavf{,vf}_example(args...) + * + * ... as: + * + * iavf_trace(example, args...) + * + * ... to resolve to the PF or VF version of the tracepoint without + * ifdefs, and to allow tracepoints to be disabled entirely at build + * time. + * + * Trace point should always be referred to in the driver via this + * macro. + * + * Similarly, iavf_trace_enabled(trace_name) wraps references to + * trace_iavf{,vf}_<trace_name>_enabled() functions. + */ +#define _IAVF_TRACE_NAME(trace_name) (trace_ ## iavf ## _ ## trace_name) +#define IAVF_TRACE_NAME(trace_name) _IAVF_TRACE_NAME(trace_name) + +#define iavf_trace(trace_name, args...) IAVF_TRACE_NAME(trace_name)(args) + +#define iavf_trace_enabled(trace_name) IAVF_TRACE_NAME(trace_name##_enabled)() + +/* Events common to PF and VF. Corresponding versions will be defined + * for both, named trace_iavf_* and trace_iavf_*. The iavf_trace() + * macro above will select the right trace point name for the driver + * being built from shared code. + */ + +/* Events related to a vsi & ring */ +DECLARE_EVENT_CLASS( + iavf_tx_template, + + TP_PROTO(struct iavf_ring *ring, + struct iavf_tx_desc *desc, + struct iavf_tx_buffer *buf), + + TP_ARGS(ring, desc, buf), + + /* The convention here is to make the first fields in the + * TP_STRUCT match the TP_PROTO exactly. This enables the use + * of the args struct generated by the tplist tool (from the + * bcc-tools package) to be used for those fields. To access + * fields other than the tracepoint args will require the + * tplist output to be adjusted. + */ + TP_STRUCT__entry( + __field(void*, ring) + __field(void*, desc) + __field(void*, buf) + __string(devname, ring->netdev->name) + ), + + TP_fast_assign( + __entry->ring = ring; + __entry->desc = desc; + __entry->buf = buf; + __assign_str(devname, ring->netdev->name); + ), + + TP_printk( + "netdev: %s ring: %p desc: %p buf %p", + __get_str(devname), __entry->ring, + __entry->desc, __entry->buf) +); + +DEFINE_EVENT( + iavf_tx_template, iavf_clean_tx_irq, + TP_PROTO(struct iavf_ring *ring, + struct iavf_tx_desc *desc, + struct iavf_tx_buffer *buf), + + TP_ARGS(ring, desc, buf)); + +DEFINE_EVENT( + iavf_tx_template, iavf_clean_tx_irq_unmap, + TP_PROTO(struct iavf_ring *ring, + struct iavf_tx_desc *desc, + struct iavf_tx_buffer *buf), + + TP_ARGS(ring, desc, buf)); + +DECLARE_EVENT_CLASS( + iavf_rx_template, + + TP_PROTO(struct iavf_ring *ring, + union iavf_32byte_rx_desc *desc, + struct sk_buff *skb), + + TP_ARGS(ring, desc, skb), + + TP_STRUCT__entry( + __field(void*, ring) + __field(void*, desc) + __field(void*, skb) + __string(devname, ring->netdev->name) + ), + + TP_fast_assign( + __entry->ring = ring; + __entry->desc = desc; + __entry->skb = skb; + __assign_str(devname, ring->netdev->name); + ), + + TP_printk( + "netdev: %s ring: %p desc: %p skb %p", + __get_str(devname), __entry->ring, + __entry->desc, __entry->skb) +); + +DEFINE_EVENT( + iavf_rx_template, iavf_clean_rx_irq, + TP_PROTO(struct iavf_ring *ring, + union iavf_32byte_rx_desc *desc, + struct sk_buff *skb), + + TP_ARGS(ring, desc, skb)); + +DEFINE_EVENT( + iavf_rx_template, iavf_clean_rx_irq_rx, + TP_PROTO(struct iavf_ring *ring, + union iavf_32byte_rx_desc *desc, + struct sk_buff *skb), + + TP_ARGS(ring, desc, skb)); + +DECLARE_EVENT_CLASS( + iavf_xmit_template, + + TP_PROTO(struct sk_buff *skb, + struct iavf_ring *ring), + + TP_ARGS(skb, ring), + + TP_STRUCT__entry( + __field(void*, skb) + __field(void*, ring) + __string(devname, ring->netdev->name) + ), + + TP_fast_assign( + __entry->skb = skb; + __entry->ring = ring; + __assign_str(devname, ring->netdev->name); + ), + + TP_printk( + "netdev: %s skb: %p ring: %p", + __get_str(devname), __entry->skb, + __entry->ring) +); + +DEFINE_EVENT( + iavf_xmit_template, iavf_xmit_frame_ring, + TP_PROTO(struct sk_buff *skb, + struct iavf_ring *ring), + + TP_ARGS(skb, ring)); + +DEFINE_EVENT( + iavf_xmit_template, iavf_xmit_frame_ring_drop, + TP_PROTO(struct sk_buff *skb, + struct iavf_ring *ring), + + TP_ARGS(skb, ring)); + +/* Events unique to the VF. */ + +#endif /* _IAVF_TRACE_H_ */ +/* This must be outside ifdef _IAVF_TRACE_H */ + +/* This trace include file is not located in the .../include/trace + * with the kernel tracepoint definitions, because we're a loadable + * module. + */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE iavf_trace +#include <trace/define_trace.h> |