DPDK logo

Elixir Cross Referencer

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
#! /bin/bash

#   BSD LICENSE
# 
#   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
#   All rights reserved.
# 
#   Redistribution and use in source and binary forms, with or without
#   modification, are permitted provided that the following conditions
#   are met:
# 
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in
#       the documentation and/or other materials provided with the
#       distribution.
#     * Neither the name of Intel Corporation nor the names of its
#       contributors may be used to endorse or promote products derived
#       from this software without specific prior written permission.
# 
#   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
#   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
#   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
#   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
#   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
#   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
#   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
#   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
#   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#
# Run with "source /path/to/setup.sh"
#

#
# Change to DPDK directory ( <this-script's-dir>/.. ), and export it as RTE_SDK
#
cd $(dirname ${BASH_SOURCE[0]})/..
export RTE_SDK=$PWD
echo "------------------------------------------------------------------------------"
echo " RTE_SDK exported as $RTE_SDK"
echo "------------------------------------------------------------------------------"

#
# Application EAL parameters for setting memory options (amount/channels/ranks).
#
EAL_PARAMS='-n 4'

#
# Sets QUIT variable so script will finish.
#
quit()
{
	QUIT=$1
}

#
# Sets up environmental variables for ICC.
#
setup_icc()
{
	DEFAULT_PATH=/opt/intel/bin/iccvars.sh
	param=$1
	shpath=`which iccvars.sh 2> /dev/null`
	if [ $? -eq 0 ] ; then
		echo "Loading iccvars.sh from $shpath for $param"
		source $shpath $param
	elif [ -f $DEFAULT_PATH ] ; then
		echo "Loading iccvars.sh from $DEFAULT_PATH for $param"
		source $DEFAULT_PATH $param
	else
		echo "## ERROR: cannot find 'iccvars.sh' script to set up ICC."
		echo "##     To fix, please add the directory that contains"
		echo "##     iccvars.sh  to your 'PATH' environment variable."
		quit
	fi
}

#
# Sets RTE_TARGET and does a "make install".
#
setup_target()
{
	option=$1
	export RTE_TARGET=${TARGETS[option]}

	compiler=${RTE_TARGET##*-}
	if [ "$compiler" == "icc" ] ; then
		platform=${RTE_TARGET%%-*}
		if [ "$platform" == "x86_64" ] ; then
			setup_icc intel64
		else
			setup_icc ia32
		fi
	fi
	if [ "$QUIT" == "0" ] ; then
		make install T=${RTE_TARGET}
	fi
	echo "------------------------------------------------------------------------------"
	echo " RTE_TARGET exported as $RTE_TARGET"
	echo "------------------------------------------------------------------------------"
}

#
# Uninstall all targets.
#
uninstall_targets()
{
	make uninstall
}

#
# Creates hugepage filesystem.
#
create_mnt_huge()
{
	echo "Creating /mnt/huge and mounting as hugetlbfs"
	sudo mkdir -p /mnt/huge

	grep -s '/mnt/huge' /proc/mounts > /dev/null
	if [ $? -ne 0 ] ; then
		sudo mount -t hugetlbfs nodev /mnt/huge
	fi
}

#
# Removes hugepage filesystem.
#
remove_mnt_huge()
{
	echo "Unmounting /mnt/huge and removing directory"
	grep -s '/mnt/huge' /proc/mounts > /dev/null
	if [ $? -eq 0 ] ; then
		sudo umount /mnt/huge
	fi

	if [ -d /mnt/huge ] ; then
		sudo rm -R /mnt/huge
	fi
}

#
# Unloads igb_uio.ko.
#
remove_igb_uio_module()
{
	echo "Unloading any existing DPDK UIO module"
	/sbin/lsmod | grep -s igb_uio > /dev/null
	if [ $? -eq 0 ] ; then
		sudo /sbin/rmmod igb_uio
	fi
}

#
# Loads new igb_uio.ko (and uio module if needed).
#
load_igb_uio_module()
{
	if [ ! -f $RTE_SDK/$RTE_TARGET/kmod/igb_uio.ko ];then
		echo "## ERROR: Target does not have the DPDK UIO Kernel Module."
		echo "       To fix, please try to rebuild target."
		return
	fi

	remove_igb_uio_module

	/sbin/lsmod | grep -s uio > /dev/null
	if [ $? -ne 0 ] ; then
		if [ -f /lib/modules/$(uname -r)/kernel/drivers/uio/uio.ko ] ; then
			echo "Loading uio module"
			sudo /sbin/modprobe uio
		fi
	fi

	# UIO may be compiled into kernel, so it may not be an error if it can't
	# be loaded.

	echo "Loading DPDK UIO module"
	sudo /sbin/insmod $RTE_SDK/$RTE_TARGET/kmod/igb_uio.ko
	if [ $? -ne 0 ] ; then
		echo "## ERROR: Could not load kmod/igb_uio.ko."
		quit
	fi
}

#
# Unloads the rte_kni.ko module.
#
remove_kni_module()
{
	echo "Unloading any existing DPDK KNI module"
	/sbin/lsmod | grep -s rte_kni > /dev/null
	if [ $? -eq 0 ] ; then
		sudo /sbin/rmmod rte_kni
	fi
}

#
# Loads the rte_kni.ko module.
#
load_kni_module()
{
    # Check that the KNI module is already built.
	if [ ! -f $RTE_SDK/$RTE_TARGET/kmod/rte_kni.ko ];then
		echo "## ERROR: Target does not have the DPDK KNI Module."
		echo "       To fix, please try to rebuild target."
		return
	fi

    # Unload existing version if present.
	remove_kni_module

    # Now try load the KNI module.
	echo "Loading DPDK KNI module"
	sudo /sbin/insmod $RTE_SDK/$RTE_TARGET/kmod/rte_kni.ko
	if [ $? -ne 0 ] ; then
		echo "## ERROR: Could not load kmod/rte_kni.ko."
		quit
	fi
}

#
# Removes all reserved hugepages.
#
clear_huge_pages()
{
	echo > .echo_tmp
	for d in /sys/devices/system/node/node? ; do
		echo "echo 0 > $d/hugepages/hugepages-2048kB/nr_hugepages" >> .echo_tmp
	done
	echo "Removing currently reserved hugepages"
	sudo sh .echo_tmp
	rm -f .echo_tmp

	remove_mnt_huge
}

#
# Creates hugepages.
#
set_non_numa_pages()
{
	clear_huge_pages

	echo ""
	echo "  Input the number of 2MB pages"
	echo "  Example: to have 128MB of hugepages available, enter '64' to"
	echo "  reserve 64 * 2MB pages"
	echo -n "Number of pages: "
	read Pages

	echo "echo $Pages > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages" > .echo_tmp

	echo "Reserving hugepages"
	sudo sh .echo_tmp
	rm -f .echo_tmp

	create_mnt_huge
}

#
# Creates hugepages on specific NUMA nodes.
#
set_numa_pages()
{
	clear_huge_pages

	echo ""
	echo "  Input the number of 2MB pages for each node"
	echo "  Example: to have 128MB of hugepages available per node,"
	echo "  enter '64' to reserve 64 * 2MB pages on each node"

	echo > .echo_tmp
	for d in /sys/devices/system/node/node? ; do
		node=$(basename $d)
		echo -n "Number of pages for $node: "
		read Pages
		echo "echo $Pages > $d/hugepages/hugepages-2048kB/nr_hugepages" >> .echo_tmp
	done
	echo "Reserving hugepages"
	sudo sh .echo_tmp
	rm -f .echo_tmp

	create_mnt_huge
}

#
# Run unit test application.
#
run_test_app()
{
	echo ""
	echo "  Enter hex bitmask of cores to execute test app on"
	echo "  Example: to execute app on cores 0 to 7, enter 0xff"
	echo -n "bitmask: "
	read Bitmask
	echo "Launching app"
	sudo ${RTE_TARGET}/app/test -c $Bitmask $EAL_PARAMS
}

#
# Run unit testpmd application.
#
run_testpmd_app()
{
	echo ""
	echo "  Enter hex bitmask of cores to execute testpmd app on"
	echo "  Example: to execute app on cores 0 to 7, enter 0xff"
	echo -n "bitmask: "
	read Bitmask
	echo "Launching app"
	sudo ${RTE_TARGET}/app/testpmd -c $Bitmask $EAL_PARAMS -- -i
}

#
# Print hugepage information.
#
grep_meminfo()
{
	grep -i huge /proc/meminfo
}

#
# Calls pci_unbind.py --status to show the NIC and what they
# are all bound to, in terms of drivers.
#
show_nics()
{
	if  /sbin/lsmod  | grep -q igb_uio ; then 
		${RTE_SDK}/tools/pci_unbind.py --status
	else 
		echo "# Please load the 'igb_uio' kernel module before querying or "
		echo "# adjusting NIC device bindings"
	fi
}

#
# Uses pci_unbind.py to move devices to work with igb_uio
#
bind_nics()
{
	if  /sbin/lsmod  | grep -q igb_uio ; then 
		${RTE_SDK}/tools/pci_unbind.py --status
		echo ""
		echo -n "Enter PCI address of device to bind to IGB UIO driver: "
		read PCI_PATH
		sudo ${RTE_SDK}/tools/pci_unbind.py -b igb_uio $PCI_PATH && echo "OK"
	else 
		echo "# Please load the 'igb_uio' kernel module before querying or "
		echo "# adjusting NIC device bindings"
	fi
}

#
# Uses pci_unbind.py to move devices to work with kernel drivers again
#
unbind_nics()
{
	${RTE_SDK}/tools/pci_unbind.py --status
	echo ""
	echo -n "Enter PCI address of device to bind to IGB UIO driver: "
	read PCI_PATH
	echo ""
	echo -n "Enter name of kernel driver to bind the device to: "
	read DRV
	sudo ${RTE_SDK}/tools/pci_unbind.py -b $DRV $PCI_PATH && echo "OK"
}

#
# Options for building a target. Note that this step MUST be first as it sets
# up TARGETS[] starting from 1, and this is accessed in setup_target using the
# user entered option.
#
step1_func()
{
	TITLE="Select the DPDK environment to build"
	CONFIG_NUM=1
	for cfg in config/defconfig_* ; do
		cfg=${cfg/config\/defconfig_/}
		TEXT[$CONFIG_NUM]="$cfg"
		TARGETS[$CONFIG_NUM]=$cfg
		FUNC[$CONFIG_NUM]="setup_target"
		let "CONFIG_NUM+=1"
	done
}

#
# Options for setting up environment.
#
step2_func()
{
	TITLE="Setup linuxapp environment"

	TEXT[1]="Insert IGB UIO module"
	FUNC[1]="load_igb_uio_module"

	TEXT[2]="Insert KNI module"
	FUNC[2]="load_kni_module"

	TEXT[3]="Setup hugepage mappings for non-NUMA systems"
	FUNC[3]="set_non_numa_pages"

	TEXT[4]="Setup hugepage mappings for NUMA systems"
	FUNC[4]="set_numa_pages"

	TEXT[5]="Display current Ethernet device settings"
	FUNC[5]="show_nics"

	TEXT[6]="Bind Ethernet device to IGB UIO module"
	FUNC[6]="bind_nics"
}

#
# Options for running applications.
#
step3_func()
{
	TITLE="Run test application for linuxapp environment"

	TEXT[1]="Run test application (\$RTE_TARGET/app/test)"
	FUNC[1]="run_test_app"

	TEXT[2]="Run testpmd application in interactive mode (\$RTE_TARGET/app/testpmd)"
	FUNC[2]="run_testpmd_app"
}

#
# Other options
#
step4_func()
{
	TITLE="Other tools"

	TEXT[1]="List hugepage info from /proc/meminfo"
	FUNC[1]="grep_meminfo"

}

#
# Options for cleaning up the system
#
step5_func()
{
	TITLE="Uninstall and system cleanup"

	TEXT[1]="Uninstall all targets"
	FUNC[1]="uninstall_targets"

	TEXT[2]="Unbind NICs from IGB UIO driver"
	FUNC[2]="unbind_nics"

	TEXT[3]="Remove IGB UIO module"
	FUNC[3]="remove_igb_uio_module"

	TEXT[4]="Remove KNI module"
	FUNC[4]="remove_kni_module"

	TEXT[5]="Remove hugepage mappings"
	FUNC[5]="clear_huge_pages"
}

STEPS[1]="step1_func"
STEPS[2]="step2_func"
STEPS[3]="step3_func"
STEPS[4]="step4_func"
STEPS[5]="step5_func"

QUIT=0

while [ "$QUIT" == "0" ]; do
	OPTION_NUM=1

	for s in $(seq ${#STEPS[@]}) ; do
		${STEPS[s]}

		echo "----------------------------------------------------------"
		echo " Step $s: ${TITLE}"
		echo "----------------------------------------------------------"

		for i in $(seq ${#TEXT[@]}) ; do
			echo "[$OPTION_NUM] ${TEXT[i]}"
			OPTIONS[$OPTION_NUM]=${FUNC[i]}
			let "OPTION_NUM+=1"
		done

		# Clear TEXT and FUNC arrays before next step
		unset TEXT
		unset FUNC

		echo ""
	done

	echo "[$OPTION_NUM] Exit Script"
	OPTIONS[$OPTION_NUM]="quit"
	echo ""
	echo -n "Option: "
	read our_entry
	echo ""
	${OPTIONS[our_entry]} ${our_entry}
	echo
	echo -n "Press enter to continue ..."; read
done