src/functions/functions.device

   1 #!/bin/bash
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2010  Michael Tremer & Christian Schmidt                      #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 device_list() {
  23         local devices
  24
  25         # Add all interfaces
  26         list_append devices $(devices_get_all)
  27
  28         # Add all PHYs
  29         list_append devices $(phy_list)
  30
  31         # Add all serial devices
  32         list_append devices $(serial_list)
  33
  34         # Return a sorted result
  35         list_sort ${devices}
  36 }
  37
  38 # Check if the device exists
  39 device_exists() {
  40         local device=${1}
  41
  42         # If device name was not found, exit.
  43         [ -n "${device}" ] || return ${EXIT_ERROR}
  44
  45         # Check for a normal network device.
  46         [ -d "${SYS_CLASS_NET}/${device}" ] && return ${EXIT_OK}
  47
  48         # If the check above did not find a result,
  49         # we check for PHYs.
  50         phy_exists "${device}" && return ${EXIT_OK}
  51
  52         # If the check above did not find a result,
  53         # we check for serial devices.
  54         serial_exists ${device}
  55 }
  56
  57 device_matches_pattern() {
  58         local device="${1}"
  59         assert isset device
  60
  61         local pattern="${2}"
  62         assert isset pattern
  63
  64         pattern="^${pattern//N/[[:digit:]]+}$"
  65
  66         [[ ${device} =~ ${pattern} ]] \
  67                 && return ${EXIT_TRUE} || return ${EXIT_FALSE}
  68 }
  69
  70 device_delete() {
  71         local device=${1}
  72         assert isset device
  73
  74         # Nothing to do, it device does not exist.
  75         device_exists ${device} || return ${EXIT_OK}
  76
  77         # Delete the device.
  78         cmd_quiet ip link delete ${device}
  79         local ret=$?
  80
  81         if [ ${ret} -ne ${EXIT_OK} ]; then
  82                 log ERROR "device: Could not delete device '${device}': ${ret}"
  83                 return ${EXIT_ERROR}
  84         fi
  85
  86         return ${ret}
  87 }
  88
  89 device_has_flag() {
  90         local device=${1}
  91         local flag=${2}
  92
  93         local flags=$(__device_get_file ${device} flags)
  94
  95         if [[ "$(( ${flags} & ${flag} ))" -eq 0 ]]; then
  96                 return ${EXIT_FALSE}
  97         else
  98                 return ${EXIT_TRUE}
  99         fi
 100 }
 101
 102 # Check if the device is up
 103 device_is_up() {
 104         local device=${1}
 105
 106         device_exists ${device} || return ${EXIT_ERROR}
 107
 108         device_has_flag ${device} 0x1
 109 }
 110
 111 device_ifindex_to_name() {
 112         local idx=${1}
 113         assert isset idx
 114
 115         local device device_idx
 116         for device in ${SYS_CLASS_NET}/*; do
 117                 device=$(basename ${device})
 118                 device_exists ${device} || continue
 119
 120                 device_idx=$(device_get_ifindex ${device})
 121
 122                 if [ "${device_idx}" = "${idx}" ]; then
 123                         print "${device}"
 124                         return ${EXIT_OK}
 125                 fi
 126         done
 127
 128         return ${EXIT_ERROR}
 129 }
 130
 131 device_get_ifindex() {
 132         local device=${1}
 133         assert isset device
 134
 135         local path="${SYS_CLASS_NET}/${1}/ifindex"
 136
 137         # Check if file can be read.
 138         [ -r "${path}" ] || return ${EXIT_ERROR}
 139
 140         print "$(<${path})"
 141 }
 142
 143 # Check if the device is a batman-adv bridge
 144 device_is_batman_adv() {
 145         [ -d "${SYS_CLASS_NET}/${1}/mesh" ]
 146 }
 147
 148 # Check if the device is a batman-adv slave port
 149 device_is_batman_adv_slave() {
 150         local device="${1}"
 151
 152         if [ -d "${SYS_CLASS_NET}/${device}/batman_adv" ]; then
 153                 local status="$(<${SYS_CLASS_NET}/${device}/batman_adv/iface_status)"
 154
 155                 case "${status}" in
 156                         "active")
 157                                 return ${EXIT_TRUE}
 158                                 ;;
 159                         *)
 160                                 return ${EXIT_FALSE}
 161                                 ;;
 162                 esac
 163         fi
 164
 165         return ${EXIT_FALSE}
 166 }
 167
 168 # Check if the device is a bonding device
 169 device_is_bonding() {
 170         [ -d "/sys/class/net/${1}/bonding" ]
 171 }
 172
 173 # Check if the device bonded in a bonding device
 174 device_is_bonded() {
 175         local device=${1}
 176
 177         [ -d "${SYS_CLASS_NET}/${device}/bonding_slave" ]
 178 }
 179
 180 # Check if the device is a bridge
 181 device_is_bridge() {
 182         [ -d "/sys/class/net/${1}/bridge" ]
 183 }
 184
 185 device_is_bridge_attached() {
 186         local device=${1}
 187         [ -d "${SYS_CLASS_NET}/${device}/brport" ]
 188 }
 189
 190 device_is_wireless_monitor() {
 191         local device="${1}"
 192         assert isset device
 193
 194         device_is_wireless "${device}" && \
 195                 device_matches_pattern "${device}" "${PORT_PATTERN_WIRELESS_MONITOR}"
 196 }
 197
 198 device_is_wireless_adhoc() {
 199         local device="${1}"
 200         assert isset device
 201
 202         device_is_wireless "${device}" && \
 203                 device_matches_pattern "${device}" "${PORT_PATTERN_WIRELESS_ADHOC}"
 204 }
 205
 206 device_get_bridge() {
 207         local device=${1}
 208         assert isset device
 209
 210         # Check if device is attached to a bridge.
 211         device_is_bridge_attached ${device} || return ${EXIT_ERROR}
 212
 213         local ifindex_path="${SYS_CLASS_NET}/${device}/brport/bridge/ifindex"
 214         [ -r "${ifindex_path}" ] || return ${EXIT_ERROR}
 215
 216         local ifindex=$(<${ifindex_path})
 217         assert isset ifindex
 218
 219         device_ifindex_to_name ${ifindex}
 220 }
 221
 222 # Check if the device is a vlan device
 223 device_is_vlan() {
 224         local device=${1}
 225         assert isset device
 226
 227         [ -e "${PROC_NET_VLAN}/${device}" ]
 228 }
 229
 230 # Check if the device has vlan devices
 231 device_has_vlans() {
 232         local device=${1}
 233         assert isset device
 234
 235         if device_is_vlan ${device}; then
 236                 return ${EXIT_FALSE}
 237         fi
 238
 239         local vlans=$(device_get_vlans ${device})
 240         [ -n "${vlans}" ] && return ${EXIT_OK} || return ${EXIT_ERROR}
 241 }
 242
 243 device_get_vlans() {
 244         local device=${1}
 245         assert isset device
 246
 247         # If no 8021q module has been loaded into the kernel,
 248         # we cannot do anything.
 249         [ -r "${PROC_NET_VLAN_CONFIG}" ] || return ${EXIT_OK}
 250
 251         local dev spacer1 id spacer2 parent
 252         while read dev spacer1 id spacer2 parent; do
 253                 [ "${parent}" = "${device}" ] || continue
 254
 255                 print "${dev}"
 256         done < ${PROC_NET_VLAN_CONFIG}
 257 }
 258
 259 # Check if the device is a ppp device
 260 device_is_ppp() {
 261         local device=${1}
 262
 263         local type=$(__device_get_file ${device} type)
 264
 265         [ "${type}" = "512" ] && return ${EXIT_OK} || return ${EXIT_ERROR}
 266 }
 267
 268 # Check if the device is a pointopoint device.
 269 device_is_ptp() {
 270         local device=${1}
 271
 272         device_has_flag ${device} 0x10
 273 }
 274
 275 # Check if the device is a loopback device
 276 device_is_loopback() {
 277         local device=${1}
 278
 279         [ "${device}" = "lo" ]
 280 }
 281
 282 # Check if the device is a dummy device
 283 #  This is the worst possible check, but all I could come up with
 284 device_is_dummy() {
 285         local device="${1}"
 286
 287         [[ ${device} =~ ^dummy[0-9]+$ ]]
 288 }
 289
 290 # Check if the device is a wireless device
 291 device_is_wireless() {
 292         local device=${1}
 293
 294         [ -d "${SYS_CLASS_NET}/${device}/phy80211" ]
 295 }
 296
 297 device_get_phy() {
 298         local device="${1}"
 299
 300         if device_is_wireless "${device}"; then
 301                 print "$(<${SYS_CLASS_NET}/${device}/phy80211/name)"
 302                 return ${EXIT_OK}
 303         fi
 304
 305         return ${EXIT_ERROR}
 306 }
 307
 308 device_is_phy() {
 309         phy_exists $@
 310 }
 311
 312 device_is_serial() {
 313         serial_exists $@
 314 }
 315
 316 # Returns true if a device is a tun device
 317 device_is_tun() {
 318         local device="${1}"
 319
 320         [ -e "${SYS_CLASS_NET}/${device}/tun_flags" ]
 321 }
 322
 323 # Check if the device is a physical network interface
 324 device_is_ethernet() {
 325         local device=${1}
 326
 327         device_is_ethernet_compatible "${device}" || \
 328                 return ${EXIT_ERROR}
 329
 330         device_is_loopback ${device} && \
 331                 return ${EXIT_ERROR}
 332
 333         device_is_bonding ${device} &&  \
 334                 return ${EXIT_ERROR}
 335
 336         device_is_bridge ${device} && \
 337                 return ${EXIT_ERROR}
 338
 339         device_is_ppp ${device} && \
 340                 return ${EXIT_ERROR}
 341
 342         device_is_vlan ${device} && \
 343                 return ${EXIT_ERROR}
 344
 345         device_is_dummy ${device} && \
 346                 return ${EXIT_ERROR}
 347
 348         device_is_tun ${device} && \
 349                 return ${EXIT_ERROR}
 350
 351         return ${EXIT_OK}
 352 }
 353
 354 # Get the device type
 355 device_get_type() {
 356         local device=${1}
 357
 358         # If the device does not exist (happens on udev remove events),
 359         # we do not bother to run all checks.
 360         if ! device_exists "${device}"; then
 361                 echo "unknown"
 362
 363         elif device_is_vlan ${device}; then
 364                 echo "vlan"
 365
 366         elif device_is_bonding ${device}; then
 367                 echo "bonding"
 368
 369         elif device_is_bridge ${device}; then
 370                 echo "bridge"
 371
 372         elif device_is_ppp ${device}; then
 373                 echo "ppp"
 374
 375         elif device_is_batman_adv ${device}; then
 376                 echo "batman-adv"
 377
 378         elif device_is_loopback ${device}; then
 379                 echo "loopback"
 380
 381         elif device_is_wireless_adhoc ${device}; then
 382                 echo "wireless-adhoc"
 383
 384         elif device_is_wireless ${device}; then
 385                 echo "wireless"
 386
 387         elif device_is_dummy ${device}; then
 388                 echo "dummy"
 389
 390         elif device_is_tun ${device}; then
 391                 echo "tun"
 392
 393         elif device_is_ethernet ${device}; then
 394                 echo "ethernet"
 395
 396         elif device_is_serial ${device}; then
 397                 echo "serial"
 398
 399         elif device_is_phy ${device}; then
 400                 echo "phy"
 401
 402         else
 403                 echo "unknown"
 404         fi
 405 }
 406
 407 device_is_ethernet_compatible() {
 408         local device="${1}"
 409
 410         # /sys/class/net/*/type must equal 1 for ethernet compatible devices
 411         local type="$(__device_get_file "${device}" "type")"
 412         [[ "${type}" = "1" ]]
 413 }
 414
 415 device_get_status() {
 416         local device=${1}
 417         assert isset device
 418
 419         local status=${STATUS_DOWN}
 420
 421         if device_is_up ${device}; then
 422                 status=${STATUS_UP}
 423
 424                 if ! device_has_carrier ${device}; then
 425                         status=${STATUS_NOCARRIER}
 426                 fi
 427         fi
 428
 429         echo "${status}"
 430 }
 431
 432 device_get_address() {
 433         local device=${1}
 434
 435         cat ${SYS_CLASS_NET}/${device}/address 2>/dev/null
 436 }
 437
 438 device_set_address() {
 439         assert [ $# -eq 2 ]
 440
 441         local device="${1}"
 442         local addr="${2}"
 443
 444         if ! device_exists "${device}"; then
 445                 error "Device '${device}' does not exist."
 446                 return ${EXIT_ERROR}
 447         fi
 448
 449         # Do nothing if the address has not changed
 450         local old_addr="$(device_get_address "${device}")"
 451         if [ -n "${old_addr}" -a "${addr}" = "${old_addr}" ]; then
 452                 return ${EXIT_OK}
 453         fi
 454
 455         log DEBUG "Setting address of '${device}' from '${old_addr}' to '${addr}'"
 456
 457         local up
 458         if device_is_up "${device}"; then
 459                 device_set_down "${device}"
 460                 up=1
 461         fi
 462
 463         ip link set "${device}" address "${addr}"
 464         local ret=$?
 465
 466         if [ "${up}" = "1" ]; then
 467                 device_set_up "${device}"
 468         fi
 469
 470         if [ "${ret}" != "0" ]; then
 471                 error_log "Could not set address '${addr}' on device '${device}'"
 472         fi
 473
 474         return ${ret}
 475 }
 476
 477 device_get() {
 478         local device
 479         local devices
 480
 481         for device in ${SYS_CLASS_NET}/*; do
 482                 device=$(basename ${device})
 483
 484                 # bonding_masters is no device
 485                 [ "${device}" = "bonding_masters" ] && continue
 486
 487                 devices="${devices} ${device}"
 488         done
 489
 490         echo ${devices}
 491         return ${EXIT_OK}
 492 }
 493
 494 devices_get_all() {
 495         device_get
 496 }
 497
 498 # Check if a device has a cable plugged in
 499 device_has_carrier() {
 500         local device=${1}
 501         assert isset device
 502
 503         local carrier=$(__device_get_file ${device} carrier)
 504         [ "${carrier}" = "1" ]
 505 }
 506
 507 device_is_promisc() {
 508         local device=${1}
 509
 510         device_has_flag ${device} 0x200
 511 }
 512
 513 device_set_promisc() {
 514         local device=${1}
 515         local state=${2}
 516
 517         assert device_exists ${device}
 518         assert isset state
 519         assert isoneof state on off
 520
 521         ip link set ${device} promisc ${state}
 522 }
 523
 524 # Check if the device is free
 525 device_is_free() {
 526         ! device_is_used $@
 527 }
 528
 529 # Check if the device is used
 530 device_is_used() {
 531         local device=${1}
 532
 533         device_has_vlans ${device} && \
 534                 return ${EXIT_OK}
 535         device_is_bonded ${device} && \
 536                 return ${EXIT_OK}
 537         device_is_bridge_attached ${device} && \
 538                 return ${EXIT_OK}
 539
 540         return ${EXIT_ERROR}
 541 }
 542
 543 # Give the device a new name
 544 device_set_name() {
 545         local source=$1
 546         local destination=${2}
 547
 548         # Check if devices exists
 549         if ! device_exists ${source} || device_exists ${destination}; then
 550                 return 4
 551         fi
 552
 553         local up
 554         if device_is_up ${source}; then
 555                 ip link set ${source} down
 556                 up=1
 557         fi
 558
 559         ip link set ${source} name ${destination}
 560
 561         if [ "${up}" = "1" ]; then
 562                 ip link set ${destination} up
 563         fi
 564 }
 565
 566 # Set device up
 567 device_set_up() {
 568         local device=${1}
 569
 570         # Silently fail if device was not found
 571         [ -z "${device}" ] && return ${EXIT_ERROR}
 572
 573         # Do nothing if device is already up
 574         device_is_up ${device} && return ${EXIT_OK}
 575
 576         device_set_parent_up ${device}
 577
 578         log DEBUG "Setting up device '${device}'"
 579
 580         ip link set ${device} up
 581
 582         # Set SMP affinity
 583         if interrupt_use_smp_affinity; then
 584                 device_auto_configure_smp_affinity "${port}"
 585         fi
 586
 587         return ${EXIT_OK}
 588 }
 589
 590 device_set_parent_up() {
 591         local device=${1}
 592         local parent
 593
 594         if device_is_vlan ${device}; then
 595                 parent=$(vlan_get_parent ${device})
 596
 597                 device_is_up ${parent} && return ${EXIT_OK}
 598
 599                 log DEBUG "Setting up parent device '${parent}' of '${device}'"
 600
 601                 device_set_up ${parent}
 602                 return $?
 603         fi
 604
 605         return ${EXIT_OK}
 606 }
 607
 608 # Set device down
 609 device_set_down() {
 610         local device=${1}
 611         assert isset device
 612
 613         local ret=${EXIT_OK}
 614
 615         if device_is_up ${device}; then
 616                 log DEBUG "Tearing down device '${device}'"
 617
 618                 ip link set ${device} down
 619                 ret=$?
 620         fi
 621
 622         device_set_parent_down ${device}
 623
 624         return ${ret}
 625 }
 626
 627 device_set_parent_down() {
 628         local device=${1}
 629         local parent
 630
 631         if device_is_vlan ${device}; then
 632                 parent=$(vlan_get_parent ${device})
 633
 634                 device_is_up ${parent} || return ${EXIT_OK}
 635
 636                 if device_is_free ${parent}; then
 637                         log DEBUG "Tearing down parent device '${parent}' of '${device}'"
 638
 639                         device_set_down ${parent}
 640                 fi
 641         fi
 642
 643         return ${EXIT_OK}
 644 }
 645
 646 device_get_mtu() {
 647         local device=${1}
 648
 649         if ! device_exists ${device}; then
 650                 error "Device '${device}' does not exist."
 651                 return ${EXIT_ERROR}
 652         fi
 653
 654         echo $(<${SYS_CLASS_NET}/${device}/mtu)
 655 }
 656
 657 # Set mtu to a device
 658 device_set_mtu() {
 659         local device=${1}
 660         local mtu=${2}
 661
 662         if ! device_exists ${device}; then
 663                 error "Device '${device}' does not exist."
 664                 return ${EXIT_ERROR}
 665         fi
 666
 667         local oldmtu=$(device_get_mtu ${device})
 668
 669         if [ "${oldmtu}" = "${mtu}" ]; then
 670                 # No need to set mtu.
 671                 return ${EXIT_OK}
 672         fi
 673
 674         log INFO "Setting mtu of '${device}' to '${mtu}' - was ${oldmtu}."
 675
 676         local up
 677         if device_is_up ${device}; then
 678                 device_set_down ${device}
 679                 up=1
 680         fi
 681
 682         ip link set ${device} mtu ${mtu}
 683         local ret=$?
 684
 685         if [ "${up}" = "1" ]; then
 686                 device_set_up ${device}
 687         fi
 688
 689         if [ "${ret}" != "0" ]; then
 690                 error_log "Could not set mtu '${mtu}' on device '${device}'."
 691         fi
 692
 693         return ${ret}
 694 }
 695
 696 device_adjust_mtu() {
 697         assert [ $# -eq 2 ]
 698
 699         local device="${1}"
 700         local other_device="${2}"
 701
 702         local mtu="$(device_get_mtu "${other_device}")"
 703         device_set_mtu "${device}" "${mtu}"
 704 }
 705
 706 device_discover() {
 707         local device=${1}
 708
 709         log INFO "Running discovery process on device '${device}'."
 710
 711         local hook
 712         for hook in $(hook_zone_get_all); do
 713                 hook_zone_exec ${hook} discover ${device}
 714         done
 715 }
 716
 717 device_identify() {
 718         assert [ $# -ge 1 ]
 719
 720         local device="${1}"
 721
 722         # Flash for ten seconds by default
 723         local seconds="10"
 724
 725         # Run in background?
 726         local background="false"
 727
 728         local arg
 729         while read arg; do
 730                 case "${arg}" in
 731                         --background)
 732                                 background="true"
 733                                 ;;
 734                         --seconds=*)
 735                                 seconds="$(cli_get_val "${arg}")"
 736                                 ;;
 737                 esac
 738         done <<< "$(args $@)"
 739
 740         assert isinteger seconds
 741
 742         if ! device_exists "${device}"; then
 743                 log ERROR "Cannot identify device ${device}: Does not exist"
 744                 return ${EXIT_ERROR}
 745         fi
 746
 747         if ! device_is_ethernet "${device}"; then
 748                 log DEBUG "Cannot identify device ${device}: Not an ethernet device"
 749                 return ${EXIT_NOT_SUPPORTED}
 750         fi
 751
 752         log DEBUG "Identifying device ${device}"
 753
 754         local command="ethtool --identify ${device} ${seconds}"
 755         local ret=0
 756
 757         if enabled background; then
 758                 cmd_background "${command}"
 759         else
 760                 cmd_quiet "${command}"
 761                 ret=$?
 762         fi
 763
 764         return ${ret}
 765 }
 766
 767 device_has_ip() {
 768         local device=${1}
 769         local addr=${2}
 770
 771         assert isset addr
 772         assert device_exists ${device}
 773
 774         # IPv6 addresses must be fully imploded
 775         local protocol=$(ip_detect_protocol ${addr})
 776         case "${protocol}" in
 777                 ipv6)
 778                         addr=$(ipv6_format "${addr}")
 779                         ;;
 780         esac
 781
 782         listmatch ${addr} $(device_get_addresses ${device})
 783 }
 784
 785 device_get_addresses() {
 786         local device=${1}
 787
 788         assert device_exists ${device}
 789
 790         local prot
 791         local addr
 792         local line
 793         ip addr show ${device} | \
 794                 while read prot addr line; do
 795                         [ "${prot:0:4}" = "inet" ] && echo "${addr}"
 796                 done
 797 }
 798
 799 __device_get_file() {
 800         local device=${1}
 801         local file=${2}
 802
 803         assert isset device
 804         assert isset file
 805
 806         local path="${SYS_CLASS_NET}/${device}/${file}"
 807         [ -r "${path}" ] || return ${EXIT_ERROR}
 808
 809         echo "$(<${path})"
 810 }
 811
 812 __device_set_file() {
 813         assert [ $# -eq 3 ]
 814
 815         local device="${1}"
 816         local file="${2}"
 817         local value="${3}"
 818
 819         local path="${SYS_CLASS_NET}/${device}/${file}"
 820         if [ ! -w "${path}" ]; then
 821                 log DEBUG "Cannot write to file '${file}' (${value})"
 822                 return ${EXIT_ERROR}
 823         fi
 824
 825         echo "${value}" > "${path}"
 826 }
 827
 828 device_get_rx_bytes() {
 829         local device=${1}
 830
 831         __device_get_file ${device} statistics/rx_bytes
 832 }
 833
 834 device_get_tx_bytes() {
 835         local device=${1}
 836
 837         __device_get_file ${device} statistics/tx_bytes
 838 }
 839
 840 device_get_rx_packets() {
 841         local device=${1}
 842
 843         __device_get_file ${device} statistics/rx_packets
 844 }
 845
 846 device_get_tx_packets() {
 847         local device=${1}
 848
 849         __device_get_file ${device} statistics/tx_packets
 850 }
 851
 852 device_get_rx_errors() {
 853         local device=${1}
 854
 855         __device_get_file ${device} statistics/rx_errors
 856 }
 857
 858 device_get_tx_errors() {
 859         local device=${1}
 860
 861         __device_get_file ${device} statistics/tx_errors
 862 }
 863
 864 device_get_speed() {
 865         local device=${1}
 866
 867         __device_get_file ${device} speed
 868 }
 869
 870 device_get_duplex() {
 871         local device=${1}
 872
 873         __device_get_file ${device} duplex
 874 }
 875
 876 device_get_link_string() {
 877         local device="${1}"
 878         assert isset device
 879
 880         local s
 881
 882         local speed="$(device_get_speed "${device}")"
 883         if isset speed; then
 884                 list_append s "${speed} MBit/s"
 885         fi
 886
 887         local duplex="$(device_get_duplex "${device}")"
 888         if isset duplex; then
 889                 list_append s "${duplex} duplex"
 890         fi
 891
 892         print "${s}"
 893 }
 894
 895 device_auto_configure_smp_affinity() {
 896         assert [ $# -eq 1 ]
 897
 898         local device=${1}
 899
 900         if lock_acquire "smp-affinity"; then
 901                 device_set_smp_affinity "${port}" auto
 902
 903                 lock_release "smp-affinity"
 904         fi
 905 }
 906
 907 device_set_smp_affinity() {
 908         assert [ $# -eq 2 ]
 909
 910         local device=${1}
 911         local mode=${2}
 912
 913         # mode can be auto which will automatically try to find
 914         # the least busy processor, or an integer for the desired
 915         # processor that should handle this device
 916
 917         local num_processors=$(system_get_processors)
 918
 919         if [ "${mode}" = "auto" ]; then
 920                 local processor=$(interrupt_choose_least_busy_processor)
 921         else
 922                 assert isinteger mode
 923                 local processor=${mode}
 924
 925                 if [ ${processor} -gt ${num_processors} ]; then
 926                         log ERROR "Processor ${processor} does not exist"
 927                         return ${EXIT_ERROR}
 928                 fi
 929         fi
 930
 931         local interrupts=$(interrupts_for_device ${device})
 932         if ! isset interrupts; then
 933                 log DEBUG "${device} has no interrupts. Not changing SMP affinity"
 934                 return ${EXIT_OK}
 935         fi
 936
 937         # Set SMP affinity
 938         local interrupt
 939         for interrupt in ${interrupts}; do
 940                 interrupt_set_smp_affinity ${interrupt} ${processor}
 941         done
 942
 943         # Find all queues and assign them to the next processor
 944         local queue
 945         for queue in $(device_get_queues ${device}); do
 946                 case "${queue}" in
 947                         # Only handle receive queues
 948                         rx-*)
 949                                 for interrupt in $(interrupts_for_device_queue ${device} ${queue}); do
 950                                         interrupt_set_smp_affinity ${interrupt} ${processor}
 951                                 done
 952
 953                                 device_queue_set_smp_affinity ${device} ${queue} ${processor}
 954                                 ;;
 955
 956                         # Ignore the rest
 957                         *)
 958                                 continue
 959                                 ;;
 960                 esac
 961
 962                 # Get the next available processor if in auto mode
 963                 [ "${mode}" = "auto" ] && processor=$(system_get_next_processor ${processor})
 964         done
 965
 966         return ${EXIT_OK}
 967 }
 968
 969 device_get_queues() {
 970         assert [ $# -eq 1 ]
 971
 972         local device=${1}
 973
 974         local queue
 975         for queue in ${SYS_CLASS_NET}/${device}/queues/*; do
 976                 basename "${queue}"
 977         done
 978 }
 979
 980 device_queue_set_smp_affinity() {
 981         assert [ $# -eq 3 ]
 982
 983         local device=${1}
 984         local queue=${2}
 985         local processor=${3}
 986
 987         local path="${SYS_CLASS_NET}/${device}/queues/${queue}/rps_cpus"
 988         assert [ -w "${path}" ]
 989
 990         log DEBUG "Setting SMP affinity of ${device} (${queue}) to processor ${processor}"
 991
 992         __processor_id_to_bitmap ${processor} > ${path}
 993 }