210 lines
5.0 KiB
C
210 lines
5.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright(c) 2013 - 2018 Intel Corporation. */
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/* Modeled on trace-events-sample.h */
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/* The trace subsystem name for i40e will be "i40e".
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*
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* This file is named i40e_trace.h.
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*
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* Since this include file's name is different from the trace
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* subsystem name, we'll have to define TRACE_INCLUDE_FILE at the end
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* of this file.
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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM i40e
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/* See trace-events-sample.h for a detailed description of why this
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* guard clause is different from most normal include files.
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*/
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#if !defined(_I40E_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
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#define _I40E_TRACE_H_
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#include <linux/tracepoint.h>
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/*
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* i40e_trace() macro enables shared code to refer to trace points
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* like:
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*
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* trace_i40e{,vf}_example(args...)
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*
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* ... as:
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*
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* i40e_trace(example, args...)
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*
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* ... to resolve to the PF or VF version of the tracepoint without
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* ifdefs, and to allow tracepoints to be disabled entirely at build
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* time.
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*
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* Trace point should always be referred to in the driver via this
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* macro.
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*
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* Similarly, i40e_trace_enabled(trace_name) wraps references to
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* trace_i40e{,vf}_<trace_name>_enabled() functions.
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*/
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#define _I40E_TRACE_NAME(trace_name) (trace_ ## i40e ## _ ## trace_name)
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#define I40E_TRACE_NAME(trace_name) _I40E_TRACE_NAME(trace_name)
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#define i40e_trace(trace_name, args...) I40E_TRACE_NAME(trace_name)(args)
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#define i40e_trace_enabled(trace_name) I40E_TRACE_NAME(trace_name##_enabled)()
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/* Events common to PF and VF. Corresponding versions will be defined
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* for both, named trace_i40e_* and trace_i40evf_*. The i40e_trace()
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* macro above will select the right trace point name for the driver
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* being built from shared code.
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*/
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/* Events related to a vsi & ring */
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DECLARE_EVENT_CLASS(
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i40e_tx_template,
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TP_PROTO(struct i40e_ring *ring,
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struct i40e_tx_desc *desc,
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struct i40e_tx_buffer *buf),
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TP_ARGS(ring, desc, buf),
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/* The convention here is to make the first fields in the
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* TP_STRUCT match the TP_PROTO exactly. This enables the use
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* of the args struct generated by the tplist tool (from the
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* bcc-tools package) to be used for those fields. To access
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* fields other than the tracepoint args will require the
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* tplist output to be adjusted.
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*/
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TP_STRUCT__entry(
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__field(void*, ring)
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__field(void*, desc)
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__field(void*, buf)
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__string(devname, ring->netdev->name)
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),
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TP_fast_assign(
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__entry->ring = ring;
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__entry->desc = desc;
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__entry->buf = buf;
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__assign_str(devname, ring->netdev->name);
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),
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TP_printk(
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"netdev: %s ring: %p desc: %p buf %p",
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__get_str(devname), __entry->ring,
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__entry->desc, __entry->buf)
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);
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DEFINE_EVENT(
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i40e_tx_template, i40e_clean_tx_irq,
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TP_PROTO(struct i40e_ring *ring,
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struct i40e_tx_desc *desc,
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struct i40e_tx_buffer *buf),
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TP_ARGS(ring, desc, buf));
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DEFINE_EVENT(
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i40e_tx_template, i40e_clean_tx_irq_unmap,
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TP_PROTO(struct i40e_ring *ring,
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struct i40e_tx_desc *desc,
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struct i40e_tx_buffer *buf),
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TP_ARGS(ring, desc, buf));
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DECLARE_EVENT_CLASS(
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i40e_rx_template,
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TP_PROTO(struct i40e_ring *ring,
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union i40e_16byte_rx_desc *desc,
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struct sk_buff *skb),
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TP_ARGS(ring, desc, skb),
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TP_STRUCT__entry(
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__field(void*, ring)
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__field(void*, desc)
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__field(void*, skb)
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__string(devname, ring->netdev->name)
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),
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TP_fast_assign(
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__entry->ring = ring;
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__entry->desc = desc;
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__entry->skb = skb;
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__assign_str(devname, ring->netdev->name);
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),
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TP_printk(
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"netdev: %s ring: %p desc: %p skb %p",
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__get_str(devname), __entry->ring,
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__entry->desc, __entry->skb)
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);
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DEFINE_EVENT(
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i40e_rx_template, i40e_clean_rx_irq,
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TP_PROTO(struct i40e_ring *ring,
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union i40e_16byte_rx_desc *desc,
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struct sk_buff *skb),
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TP_ARGS(ring, desc, skb));
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DEFINE_EVENT(
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i40e_rx_template, i40e_clean_rx_irq_rx,
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TP_PROTO(struct i40e_ring *ring,
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union i40e_16byte_rx_desc *desc,
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struct sk_buff *skb),
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TP_ARGS(ring, desc, skb));
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DECLARE_EVENT_CLASS(
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i40e_xmit_template,
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TP_PROTO(struct sk_buff *skb,
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struct i40e_ring *ring),
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TP_ARGS(skb, ring),
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TP_STRUCT__entry(
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__field(void*, skb)
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__field(void*, ring)
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__string(devname, ring->netdev->name)
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),
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TP_fast_assign(
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__entry->skb = skb;
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__entry->ring = ring;
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__assign_str(devname, ring->netdev->name);
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),
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TP_printk(
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"netdev: %s skb: %p ring: %p",
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__get_str(devname), __entry->skb,
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__entry->ring)
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);
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DEFINE_EVENT(
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i40e_xmit_template, i40e_xmit_frame_ring,
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TP_PROTO(struct sk_buff *skb,
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struct i40e_ring *ring),
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TP_ARGS(skb, ring));
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DEFINE_EVENT(
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i40e_xmit_template, i40e_xmit_frame_ring_drop,
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TP_PROTO(struct sk_buff *skb,
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struct i40e_ring *ring),
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TP_ARGS(skb, ring));
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/* Events unique to the PF. */
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#endif /* _I40E_TRACE_H_ */
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/* This must be outside ifdef _I40E_TRACE_H */
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/* This trace include file is not located in the .../include/trace
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* with the kernel tracepoint definitions, because we're a loadable
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* module.
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*/
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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 i40e_trace
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#include <trace/define_trace.h>
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