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Diffstat (limited to 'drivers/net/ethernet/intel/iavf/iavf_trace.h')
-rw-r--r--drivers/net/ethernet/intel/iavf/iavf_trace.h209
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 000000000..82fda6f5a
--- /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(_IAVF_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
+#define _IAVF_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>