| | 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 | assert [ $# -eq 1 ] |
| | 569 | |
| | 570 | local device=${1} |
| | 571 | |
| | 572 | # Do nothing if device is already up |
| | 573 | device_is_up ${device} && return ${EXIT_OK} |
| | 574 | |
| | 575 | log INFO "Bringing up ${device}" |
| | 576 | |
| | 577 | device_set_parent_up ${device} |
| | 578 | if ! cmd ip link set ${device} up; then |
| | 579 | return ${EXIT_ERROR} |
| | 580 | fi |
| | 581 | |
| | 582 | # Set SMP affinity |
| | 583 | if interrupt_use_smp_affinity; then |
| | 584 | device_auto_configure_smp_affinity "${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 | assert [ $# -eq 1 ] |
| | 611 | |
| | 612 | local device=${1} |
| | 613 | local ret=${EXIT_OK} |
| | 614 | |
| | 615 | if device_is_up ${device}; then |
| | 616 | log INFO "Bringing down ${device}" |
| | 617 | |
| | 618 | cmd 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 | # Return an error if the device does not exist |
| | 650 | device_exists ${device} || return ${EXIT_ERROR} |
| | 651 | |
| | 652 | echo $(<${SYS_CLASS_NET}/${device}/mtu) |
| | 653 | } |
| | 654 | |
| | 655 | # Set mtu to a device |
| | 656 | device_set_mtu() { |
| | 657 | local device=${1} |
| | 658 | local mtu=${2} |
| | 659 | |
| | 660 | assert device_exists ${device} |
| | 661 | |
| | 662 | # Handle bridges differently |
| | 663 | if device_is_bridge ${device}; then |
| | 664 | local port |
| | 665 | for port in $(bridge_get_members ${device}); do |
| | 666 | device_set_mtu ${port} ${mtu} |
| | 667 | done |
| | 668 | fi |
| | 669 | |
| | 670 | log INFO "Setting MTU of ${device} to ${mtu}" |
| | 671 | |
| | 672 | local up |
| | 673 | if device_is_up ${device}; then |
| | 674 | device_set_down ${device} |
| | 675 | up=1 |
| | 676 | fi |
| | 677 | |
| | 678 | local ret=${EXIT_OK} |
| | 679 | if ! cmd ip link set ${device} mtu ${mtu}; then |
| | 680 | ret=${EXIT_ERROR} |
| | 681 | |
| | 682 | log ERROR "Could not set MTU ${mtu} on ${device}" |
| | 683 | fi |
| | 684 | |
| | 685 | if [ "${up}" = "1" ]; then |
| | 686 | device_set_up ${device} |
| | 687 | fi |
| | 688 | |
| | 689 | return ${ret} |
| | 690 | } |
| | 691 | |
| | 692 | device_adjust_mtu() { |
| | 693 | assert [ $# -eq 2 ] |
| | 694 | |
| | 695 | local device="${1}" |
| | 696 | local other_device="${2}" |
| | 697 | |
| | 698 | local mtu="$(device_get_mtu "${other_device}")" |
| | 699 | device_set_mtu "${device}" "${mtu}" |
| | 700 | } |
| | 701 | |
| | 702 | device_discover() { |
| | 703 | local device=${1} |
| | 704 | |
| | 705 | log INFO "Running discovery process on device '${device}'." |
| | 706 | |
| | 707 | local hook |
| | 708 | for hook in $(hook_zone_get_all); do |
| | 709 | hook_zone_exec ${hook} discover ${device} |
| | 710 | done |
| | 711 | } |
| | 712 | |
| | 713 | device_identify() { |
| | 714 | assert [ $# -ge 1 ] |
| | 715 | |
| | 716 | local device="${1}" |
| | 717 | |
| | 718 | # Flash for ten seconds by default |
| | 719 | local seconds="10" |
| | 720 | |
| | 721 | # Run in background? |
| | 722 | local background="false" |
| | 723 | |
| | 724 | local arg |
| | 725 | while read arg; do |
| | 726 | case "${arg}" in |
| | 727 | --background) |
| | 728 | background="true" |
| | 729 | ;; |
| | 730 | --seconds=*) |
| | 731 | seconds="$(cli_get_val "${arg}")" |
| | 732 | ;; |
| | 733 | esac |
| | 734 | done <<< "$(args $@)" |
| | 735 | |
| | 736 | assert isinteger seconds |
| | 737 | |
| | 738 | if ! device_exists "${device}"; then |
| | 739 | log ERROR "Cannot identify device ${device}: Does not exist" |
| | 740 | return ${EXIT_ERROR} |
| | 741 | fi |
| | 742 | |
| | 743 | if ! device_is_ethernet "${device}"; then |
| | 744 | log DEBUG "Cannot identify device ${device}: Not an ethernet device" |
| | 745 | return ${EXIT_NOT_SUPPORTED} |
| | 746 | fi |
| | 747 | |
| | 748 | log DEBUG "Identifying device ${device}" |
| | 749 | |
| | 750 | local command="ethtool --identify ${device} ${seconds}" |
| | 751 | local ret=0 |
| | 752 | |
| | 753 | if enabled background; then |
| | 754 | cmd_background "${command}" |
| | 755 | else |
| | 756 | cmd_quiet "${command}" |
| | 757 | ret=$? |
| | 758 | fi |
| | 759 | |
| | 760 | return ${ret} |
| | 761 | } |
| | 762 | |
| | 763 | device_has_ip() { |
| | 764 | local device=${1} |
| | 765 | local addr=${2} |
| | 766 | |
| | 767 | assert isset addr |
| | 768 | assert device_exists ${device} |
| | 769 | |
| | 770 | # IPv6 addresses must be fully imploded |
| | 771 | local protocol=$(ip_detect_protocol ${addr}) |
| | 772 | case "${protocol}" in |
| | 773 | ipv6) |
| | 774 | addr=$(ipv6_format "${addr}") |
| | 775 | ;; |
| | 776 | esac |
| | 777 | |
| | 778 | listmatch ${addr} $(device_get_addresses ${device}) |
| | 779 | } |
| | 780 | |
| | 781 | device_get_addresses() { |
| | 782 | local device=${1} |
| | 783 | |
| | 784 | assert device_exists ${device} |
| | 785 | |
| | 786 | local prot |
| | 787 | local addr |
| | 788 | local line |
| | 789 | ip addr show ${device} | \ |
| | 790 | while read prot addr line; do |
| | 791 | [ "${prot:0:4}" = "inet" ] && echo "${addr}" |
| | 792 | done |
| | 793 | } |
| | 794 | |
| | 795 | __device_get_file() { |
| | 796 | local device=${1} |
| | 797 | local file=${2} |
| | 798 | |
| | 799 | assert isset device |
| | 800 | assert isset file |
| | 801 | |
| | 802 | local path="${SYS_CLASS_NET}/${device}/${file}" |
| | 803 | [ -r "${path}" ] || return ${EXIT_ERROR} |
| | 804 | |
| | 805 | echo "$(<${path})" |
| | 806 | } |
| | 807 | |
| | 808 | __device_set_file() { |
| | 809 | assert [ $# -eq 3 ] |
| | 810 | |
| | 811 | local device="${1}" |
| | 812 | local file="${2}" |
| | 813 | local value="${3}" |
| | 814 | |
| | 815 | local path="${SYS_CLASS_NET}/${device}/${file}" |
| | 816 | if [ ! -w "${path}" ]; then |
| | 817 | log DEBUG "Cannot write to file '${file}' (${value})" |
| | 818 | return ${EXIT_ERROR} |
| | 819 | fi |
| | 820 | |
| | 821 | echo "${value}" > "${path}" |
| | 822 | } |
| | 823 | |
| | 824 | device_get_rx_bytes() { |
| | 825 | local device=${1} |
| | 826 | |
| | 827 | __device_get_file ${device} statistics/rx_bytes |
| | 828 | } |
| | 829 | |
| | 830 | device_get_tx_bytes() { |
| | 831 | local device=${1} |
| | 832 | |
| | 833 | __device_get_file ${device} statistics/tx_bytes |
| | 834 | } |
| | 835 | |
| | 836 | device_get_rx_packets() { |
| | 837 | local device=${1} |
| | 838 | |
| | 839 | __device_get_file ${device} statistics/rx_packets |
| | 840 | } |
| | 841 | |
| | 842 | device_get_tx_packets() { |
| | 843 | local device=${1} |
| | 844 | |
| | 845 | __device_get_file ${device} statistics/tx_packets |
| | 846 | } |
| | 847 | |
| | 848 | device_get_rx_errors() { |
| | 849 | local device=${1} |
| | 850 | |
| | 851 | __device_get_file ${device} statistics/rx_errors |
| | 852 | } |
| | 853 | |
| | 854 | device_get_tx_errors() { |
| | 855 | local device=${1} |
| | 856 | |
| | 857 | __device_get_file ${device} statistics/tx_errors |
| | 858 | } |
| | 859 | |
| | 860 | device_get_speed() { |
| | 861 | local device=${1} |
| | 862 | |
| | 863 | __device_get_file ${device} speed |
| | 864 | } |
| | 865 | |
| | 866 | device_get_duplex() { |
| | 867 | local device=${1} |
| | 868 | |
| | 869 | __device_get_file ${device} duplex |
| | 870 | } |
| | 871 | |
| | 872 | device_get_link_string() { |
| | 873 | local device="${1}" |
| | 874 | assert isset device |
| | 875 | |
| | 876 | local s |
| | 877 | |
| | 878 | local speed="$(device_get_speed "${device}")" |
| | 879 | if isset speed; then |
| | 880 | list_append s "${speed} MBit/s" |
| | 881 | fi |
| | 882 | |
| | 883 | local duplex="$(device_get_duplex "${device}")" |
| | 884 | if isset duplex; then |
| | 885 | list_append s "${duplex} duplex" |
| | 886 | fi |
| | 887 | |
| | 888 | print "${s}" |
| | 889 | } |
| | 890 | |
| | 891 | device_auto_configure_smp_affinity() { |
| | 892 | assert [ $# -eq 1 ] |
| | 893 | |
| | 894 | local device=${1} |
| | 895 | |
| | 896 | if lock_acquire "smp-affinity"; then |
| | 897 | device_set_smp_affinity "${port}" auto |
| | 898 | |
| | 899 | lock_release "smp-affinity" |
| | 900 | fi |
| | 901 | } |
| | 902 | |
| | 903 | device_set_smp_affinity() { |
| | 904 | assert [ $# -eq 2 ] |
| | 905 | |
| | 906 | local device=${1} |
| | 907 | local mode=${2} |
| | 908 | |
| | 909 | # mode can be auto which will automatically try to find |
| | 910 | # the least busy processor, or an integer for the desired |
| | 911 | # processor that should handle this device |
| | 912 | |
| | 913 | local num_processors=$(system_get_processors) |
| | 914 | |
| | 915 | if [ "${mode}" = "auto" ]; then |
| | 916 | local processor=$(interrupt_choose_least_busy_processor) |
| | 917 | else |
| | 918 | assert isinteger mode |
| | 919 | local processor=${mode} |
| | 920 | |
| | 921 | if [ ${processor} -gt ${num_processors} ]; then |
| | 922 | log ERROR "Processor ${processor} does not exist" |
| | 923 | return ${EXIT_ERROR} |
| | 924 | fi |
| | 925 | fi |
| | 926 | |
| | 927 | local interrupts=$(interrupts_for_device ${device}) |
| | 928 | if ! isset interrupts; then |
| | 929 | log DEBUG "${device} has no interrupts. Not changing SMP affinity" |
| | 930 | return ${EXIT_OK} |
| | 931 | fi |
| | 932 | |
| | 933 | # Set SMP affinity |
| | 934 | local interrupt |
| | 935 | for interrupt in ${interrupts}; do |
| | 936 | interrupt_set_smp_affinity ${interrupt} ${processor} |
| | 937 | done |
| | 938 | |
| | 939 | # Find all queues and assign them to the next processor |
| | 940 | local queue |
| | 941 | for queue in $(device_get_queues ${device}); do |
| | 942 | case "${queue}" in |
| | 943 | # Only handle receive queues |
| | 944 | rx-*) |
| | 945 | for interrupt in $(interrupts_for_device_queue ${device} ${queue}); do |
| | 946 | interrupt_set_smp_affinity ${interrupt} ${processor} |
| | 947 | done |
| | 948 | |
| | 949 | device_queue_set_smp_affinity ${device} ${queue} ${processor} |
| | 950 | ;; |
| | 951 | |
| | 952 | # Ignore the rest |
| | 953 | *) |
| | 954 | continue |
| | 955 | ;; |
| | 956 | esac |
| | 957 | |
| | 958 | # Get the next available processor if in auto mode |
| | 959 | [ "${mode}" = "auto" ] && processor=$(system_get_next_processor ${processor}) |
| | 960 | done |
| | 961 | |
| | 962 | return ${EXIT_OK} |
| | 963 | } |
| | 964 | |
| | 965 | device_get_queues() { |
| | 966 | assert [ $# -eq 1 ] |
| | 967 | |
| | 968 | local device=${1} |
| | 969 | |
| | 970 | local queue |
| | 971 | for queue in ${SYS_CLASS_NET}/${device}/queues/*; do |
| | 972 | basename "${queue}" |
| | 973 | done |
| | 974 | } |
| | 975 | |
| | 976 | device_queue_set_smp_affinity() { |
| | 977 | assert [ $# -eq 3 ] |
| | 978 | |
| | 979 | local device=${1} |
| | 980 | local queue=${2} |
| | 981 | local processor=${3} |
| | 982 | |
| | 983 | local path="${SYS_CLASS_NET}/${device}/queues/${queue}/rps_cpus" |
| | 984 | assert [ -w "${path}" ] |
| | 985 | |
| | 986 | log DEBUG "Setting SMP affinity of ${device} (${queue}) to processor ${processor}" |
| | 987 | |
| | 988 | __processor_id_to_bitmap ${processor} > ${path} |
| | 989 | } |
projects / people / ms / network.git / blame_incremental