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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 2013 - 2018 Intel Corporation. */
/* Modeled on trace-events-sample.h */
/* The trace subsystem name for i40e will be "i40e".
*
* This file is named i40e_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 i40e
/* 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>
/**
* i40e_trace() macro enables shared code to refer to trace points
* like:
*
* trace_i40e{,vf}_example(args...)
*
* ... as:
*
* i40e_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, i40e_trace_enabled(trace_name) wraps references to
* trace_i40e{,vf}_<trace_name>_enabled() functions.
*/
#define _I40E_TRACE_NAME(trace_name) (trace_ ## i40e ## _ ## trace_name)
#define I40E_TRACE_NAME(trace_name) _I40E_TRACE_NAME(trace_name)
#define i40e_trace(trace_name, args...) I40E_TRACE_NAME(trace_name)(args)
#define i40e_trace_enabled(trace_name) I40E_TRACE_NAME(trace_name##_enabled)()
/* Events common to PF and VF. Corresponding versions will be defined
* for both, named trace_i40e_* and trace_i40evf_*. The i40e_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(
i40e_tx_template,
TP_PROTO(struct i40e_ring *ring,
struct i40e_tx_desc *desc,
struct i40e_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(
i40e_tx_template, i40e_clean_tx_irq,
TP_PROTO(struct i40e_ring *ring,
struct i40e_tx_desc *desc,
struct i40e_tx_buffer *buf),
TP_ARGS(ring, desc, buf));
DEFINE_EVENT(
i40e_tx_template, i40e_clean_tx_irq_unmap,
TP_PROTO(struct i40e_ring *ring,
struct i40e_tx_desc *desc,
struct i40e_tx_buffer *buf),
TP_ARGS(ring, desc, buf));
DECLARE_EVENT_CLASS(
i40e_rx_template,
TP_PROTO(struct i40e_ring *ring,
union i40e_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(
i40e_rx_template, i40e_clean_rx_irq,
TP_PROTO(struct i40e_ring *ring,
union i40e_32byte_rx_desc *desc,
struct sk_buff *skb),
TP_ARGS(ring, desc, skb));
DEFINE_EVENT(
i40e_rx_template, i40e_clean_rx_irq_rx,
TP_PROTO(struct i40e_ring *ring,
union i40e_32byte_rx_desc *desc,
struct sk_buff *skb),
TP_ARGS(ring, desc, skb));
DECLARE_EVENT_CLASS(
i40e_xmit_template,
TP_PROTO(struct sk_buff *skb,
struct i40e_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(
i40e_xmit_template, i40e_xmit_frame_ring,
TP_PROTO(struct sk_buff *skb,
struct i40e_ring *ring),
TP_ARGS(skb, ring));
DEFINE_EVENT(
i40e_xmit_template, i40e_xmit_frame_ring_drop,
TP_PROTO(struct sk_buff *skb,
struct i40e_ring *ring),
TP_ARGS(skb, ring));
/* Events unique to the PF. */
#endif /* _I40E_TRACE_H_ */
/* This must be outside ifdef _I40E_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 i40e_trace
#include <trace/define_trace.h>
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