# Makefile for the Intel(R) Ethernet Connection XL710 (i40e.ko) driver
#
+ccflags-y += -I$(src)
+subdir-ccflags-y += -I$(src)
+
obj-$(CONFIG_I40E) += i40e.o
i40e-objs := i40e_main.o \
#include "i40e.h"
#include "i40e_diag.h"
#include <net/udp_tunnel.h>
+/* All i40e tracepoints are defined by the include below, which
+ * must be included exactly once across the whole kernel with
+ * CREATE_TRACE_POINTS defined
+ */
+#define CREATE_TRACE_POINTS
+#include "i40e_trace.h"
const char i40e_driver_name[] = "i40e";
static const char i40e_driver_string[] =
--- /dev/null
+/*******************************************************************************
+ *
+ * Intel(R) 40-10 Gigabit Ethernet Connection Network Driver
+ * Copyright(c) 2013 - 2017 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ * Contact Information:
+ * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ ******************************************************************************/
+
+/* 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>
#include <linux/prefetch.h>
#include <net/busy_poll.h>
#include "i40e.h"
+#include "i40e_trace.h"
#include "i40e_prototype.h"
static inline __le64 build_ctob(u32 td_cmd, u32 td_offset, unsigned int size,
/* prevent any other reads prior to eop_desc */
read_barrier_depends();
+ i40e_trace(clean_tx_irq, tx_ring, tx_desc, tx_buf);
/* we have caught up to head, no work left to do */
if (tx_head == tx_desc)
break;
/* unmap remaining buffers */
while (tx_desc != eop_desc) {
+ i40e_trace(clean_tx_irq_unmap,
+ tx_ring, tx_desc, tx_buf);
tx_buf++;
tx_desc++;
if (!size)
break;
+ i40e_trace(clean_rx_irq, rx_ring, rx_desc, skb);
rx_buffer = i40e_get_rx_buffer(rx_ring, size);
/* retrieve a buffer from the ring */
vlan_tag = (qword & BIT(I40E_RX_DESC_STATUS_L2TAG1P_SHIFT)) ?
le16_to_cpu(rx_desc->wb.qword0.lo_dword.l2tag1) : 0;
+ i40e_trace(clean_rx_irq_rx, rx_ring, rx_desc, skb);
i40e_receive_skb(rx_ring, skb, vlan_tag);
skb = NULL;
/* prefetch the data, we'll need it later */
prefetch(skb->data);
+ i40e_trace(xmit_frame_ring, skb, tx_ring);
+
count = i40e_xmit_descriptor_count(skb);
if (i40e_chk_linearize(skb, count)) {
if (__skb_linearize(skb)) {
return NETDEV_TX_OK;
out_drop:
+ i40e_trace(xmit_frame_ring_drop, first->skb, tx_ring);
dev_kfree_skb_any(first->skb);
first->skb = NULL;
return NETDEV_TX_OK;
#
#
+ccflags-y += -I$(src)
+subdir-ccflags-y += -I$(src)
+
obj-$(CONFIG_I40EVF) += i40evf.o
i40evf-objs := i40evf_main.o i40evf_ethtool.o i40evf_virtchnl.o \
--- /dev/null
+/*******************************************************************************
+ *
+ * Intel(R) 40-10 Gigabit Ethernet Virtual Function Driver
+ * Copyright(c) 2013 - 2017 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ * Contact Information:
+ * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ ******************************************************************************/
+
+/* Modeled on trace-events-sample.h */
+
+/* The trace subsystem name for i40evf will be "i40evf".
+ *
+ * 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 i40evf
+
+/* 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_ ## i40evf ## _ ## 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(
+ i40evf_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(
+ i40evf_tx_template, i40evf_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(
+ i40evf_tx_template, i40evf_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(
+ i40evf_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(
+ i40evf_rx_template, i40evf_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(
+ i40evf_rx_template, i40evf_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(
+ i40evf_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(
+ i40evf_xmit_template, i40evf_xmit_frame_ring,
+ TP_PROTO(struct sk_buff *skb,
+ struct i40e_ring *ring),
+
+ TP_ARGS(skb, ring));
+
+DEFINE_EVENT(
+ i40evf_xmit_template, i40evf_xmit_frame_ring_drop,
+ TP_PROTO(struct sk_buff *skb,
+ struct i40e_ring *ring),
+
+ TP_ARGS(skb, ring));
+
+/* Events unique to the VF. */
+
+#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>
#include <net/busy_poll.h>
#include "i40evf.h"
+#include "i40e_trace.h"
#include "i40e_prototype.h"
static inline __le64 build_ctob(u32 td_cmd, u32 td_offset, unsigned int size,
/* prevent any other reads prior to eop_desc */
read_barrier_depends();
+ i40e_trace(clean_tx_irq, tx_ring, tx_desc, tx_buf);
/* if the descriptor isn't done, no work yet to do */
if (!(eop_desc->cmd_type_offset_bsz &
cpu_to_le64(I40E_TX_DESC_DTYPE_DESC_DONE)))
/* unmap remaining buffers */
while (tx_desc != eop_desc) {
+ i40e_trace(clean_tx_irq_unmap,
+ tx_ring, tx_desc, tx_buf);
tx_buf++;
tx_desc++;
if (!size)
break;
+ i40e_trace(clean_rx_irq, rx_ring, rx_desc, skb);
rx_buffer = i40e_get_rx_buffer(rx_ring, size);
/* retrieve a buffer from the ring */
vlan_tag = (qword & BIT(I40E_RX_DESC_STATUS_L2TAG1P_SHIFT)) ?
le16_to_cpu(rx_desc->wb.qword0.lo_dword.l2tag1) : 0;
+ i40e_trace(clean_rx_irq_rx, rx_ring, rx_desc, skb);
i40e_receive_skb(rx_ring, skb, vlan_tag);
skb = NULL;
/* prefetch the data, we'll need it later */
prefetch(skb->data);
+ i40e_trace(xmit_frame_ring, skb, tx_ring);
+
count = i40e_xmit_descriptor_count(skb);
if (i40e_chk_linearize(skb, count)) {
if (__skb_linearize(skb)) {
return NETDEV_TX_OK;
out_drop:
+ i40e_trace(xmit_frame_ring_drop, first->skb, tx_ring);
dev_kfree_skb_any(first->skb);
first->skb = NULL;
return NETDEV_TX_OK;
#include "i40evf.h"
#include "i40e_prototype.h"
#include "i40evf_client.h"
+/* All i40evf tracepoints are defined by the include below, which must
+ * be included exactly once across the whole kernel with
+ * CREATE_TRACE_POINTS defined
+ */
+#define CREATE_TRACE_POINTS
+#include "i40e_trace.h"
+
static int i40evf_setup_all_tx_resources(struct i40evf_adapter *adapter);
static int i40evf_setup_all_rx_resources(struct i40evf_adapter *adapter);
static int i40evf_close(struct net_device *netdev);
projects / linux.git / commitdiff