sysconfig/network-scripts/functions.network

   1 #!/bin/sh - keep it for file(1) to get bourne shell script result
   2 #
   3 # $Id$
   4 #
   5 # This is not a shell script; it provides functions to network scripts
   6 # that source it.
   7
   8 source_config ()
   9 {
  10         typeset foundconfig=0
  11
  12         DEVNAME=${CONFIG##*/}
  13         DEVNAME=${DEVNAME##ifcfg-}
  14         DEVNAME=${DEVNAME##tnlcfg-}
  15
  16         if [[ "$CONFIG" = /* ]]; then
  17                 if [ -f "$CONFIG" ] ; then
  18                         . "$CONFIG"
  19                         foundconfig=1
  20                 fi
  21         elif [ -f "/etc/sysconfig/interfaces/$CONFIG" ] ; then
  22                 . "/etc/sysconfig/interfaces/$CONFIG"
  23                 foundconfig=1
  24         fi
  25
  26         # This is sanity check so that if you've copied ifcfg-eth0 to ifcfg-eth1
  27         # and forgot to alter DEVICE= line you won't accidentally bring down eth0
  28         # while executing ifdown eth1. We do that only if configuration file exists
  29         # (sometimes ifcfg-xyz isn't needed at all like server-side pppoe pppX interfaces)
  30         if [ "$foundconfig" -eq "1" -a "$DEVICE" -a  "$DEVNAME" != "$DEVICE" ]; then
  31                 echo >&2 "$0: DEVICE specified in $CONFIG does not match filename. Aborting!"
  32                 exit 1
  33         fi
  34
  35         if [ "${PREFIX}" ] && [[ "$IPADDR" != */* ]]; then
  36                 IPADDR="$IPADDR/$PREFIX"
  37         fi
  38 }
  39
  40 do_netreport ()
  41 {
  42         # Notify programs that have requested notification
  43         ( cd /var/run/netreport || exit
  44         for i in *; do
  45                 [ -f $i ] && kill -SIGIO $i >/dev/null 2>&1 || \
  46                         rm -f $i >/dev/null 2>&1
  47         done
  48         )
  49 }
  50
  51 need_hostname()
  52 {
  53         local hostname=$(hostname)
  54         if [ "$hostname" = "(none)" -o "$hostname" = "localhost" -o "$hostname" = "localhost.localdomain" ]; then
  55                 NEEDHOSTNAME=yes
  56         else
  57                 unset NEEDHOSTNAME
  58         fi
  59 }
  60
  61 set_hostname()
  62 {
  63         typeset hostname domain
  64
  65         hostname=$(echo $1 | awk ' { gsub(/\..*$/,NIL); print $0; } ')
  66         domain=$(echo $1 | awk ' { sub(/^[^\.]*\./,NIL); print $0; } ')
  67
  68         if [ "$hostname" ]; then
  69                 echo "$hostname" > /etc/HOSTNAME
  70                 hostname $hostname
  71         fi
  72
  73         if [ "$domain" ]; then
  74                 # XXX umask and possible /etc/resolv.conf symlink breakage
  75                 > /etc/resolv.conf.new
  76                 if ! grep -q "search $domain" /etc/resolv.conf ; then
  77                         echo "search $domain" >> /etc/resolv.conf.new
  78                 fi
  79                 echo "domain $domain" >> /etc/resolv.conf.new
  80                 grep -v "^domain " /etc/resolv.conf >> /etc/resolv.conf.new
  81                 mv -f /etc/resolv.conf.new /etc/resolv.conf
  82         fi
  83 }
  84
  85 set_dhcpclient()
  86 {
  87         if [ "$BOOTPROTO" = "bootp" -o "$BOOTPROTO" = "pump" ]; then
  88                 DHCP_CLIENT=/sbin/pump
  89         fi
  90
  91         if [ -z "$DHCP_CLIENT" ]; then
  92                 if [ -x /sbin/dhcpcd ]; then
  93                         DHCP_CLIENT=/sbin/dhcpcd
  94                 elif [ -x /sbin/dhclient ]; then
  95                         DHCP_CLIENT=/sbin/dhclient
  96                 elif [ -x /sbin/dhcpxd ]; then
  97                         DHCP_CLIENT=/sbin/dhcpxd
  98                 elif [ -x /sbin/pump ]; then
  99                         DHCP_CLIENT=/sbin/pump
 100                 else
 101                         nls "Can't find a DHCP client."
 102                         exit 1
 103                 fi
 104         fi
 105 }
 106
 107 # Setup Network Address Translation (NAT)
 108 setup_nat()
 109 {
 110         typeset src via dst
 111
 112         if [ -r /etc/sysconfig/static-nat ]; then
 113                 if [ "$1" = "on" ]; then
 114                         grep "^[0-9]" /etc/sysconfig/static-nat | while read src via dst; do
 115                                 /sbin/ip route add nat $dst via $src
 116                                 /sbin/ip rule add from $src nat $dst
 117                         done
 118                 elif [ "$1" = "off" ]; then
 119                         LC_ALL=C /sbin/ip route show table all | grep -E "^nat[[:blank:]]" | while read nat dst via src args; do
 120                                 /sbin/ip rule del from $src nat $dst
 121                                 /sbin/ip route del nat $dst via $src
 122                         done
 123                 fi
 124         fi
 125 }
 126
 127 # Setup static ARP
 128 static_arp()
 129 {
 130         typeset rc arpdev host hwaddr flags neflags
 131
 132         if is_yes "$STATIC_ARP" && [ -r /etc/ethers ]; then
 133                 if [ -x /sbin/arp ]; then
 134                         run_cmd "Setting static ARP entries" /sbin/arp -f /etc/ethers
 135                 else
 136                         show "Setting static ARP entries"; busy
 137                         rc=0
 138                         arpdev=$(ip link show | awk -F':' '(/UP/) && ! (/NOARP/) && ! (/lo:/) && ! (/NONE:/) { print $2; exit }')
 139                         if [ -z "$arpdev" ]; then
 140                                 rc=1
 141                         else
 142                                 # ip supports only ip addresses
 143                                 grep "^[0-9]" /etc/ethers | \
 144                                 while read host hwaddr flags; do
 145                                         case "$flags" in
 146                                           *temp*)
 147                                                 neflags="nud stale"
 148                                                 ;;
 149                                           *)
 150                                                 neflags="nud permanent"
 151                                                 ;;
 152                                         esac
 153                                         if ! /sbin/ip neigh add $host lladdr $hwaddr $neflags dev $arpdev; then
 154                                                 rc=1
 155                                         fi
 156                                 done
 157                         fi
 158                         if [ "$rc" -gt 0 ]; then
 159                                 fail
 160                         fi
 161                 fi
 162         fi
 163 }
 164
 165 static_rarp()
 166 {
 167         if is_yes "$STATIC_RARP"; then
 168                 if [ ! -e /proc/net/rarp ]; then
 169                         _modprobe single -k rarp
 170                 fi
 171                 if [ -r /etc/ethers -a -x /sbin/rarp ]; then
 172                         run_cmd "Setting static RARP entries" /sbin/rarp -f /etc/ethers
 173                 fi
 174         fi
 175 }
 176
 177 # Set up all IP && IP parameter variables
 178 setup_ip_param ()
 179 {
 180         # detect network device type (ie. dummy, eth for dummy0, eth0 ..)
 181         if [ -z "$DEVICETYPE" ]; then
 182                 DEVICETYPE=$(echo $DEVICE | awk ' { gsub(/[\.:]?[0-9]*[\.:]?[0-9]*$/,NUL); print $0 } ')
 183         fi
 184
 185         # Setup DEVICETYPE for special cases.
 186         if echo ${DEVICE} | LC_ALL=C grep -qE '^[a-z0-9]+\.[0-9]+$'; then
 187                 DEVICETYPE=vlan
 188         fi
 189
 190         # real name of device (ie. is eth0 for eth0,eth0:1,eth0:alias)
 191         SUBDEVICE=$(echo "$DEVICE" | grep -E "([0-9]+:[0-9]+)")
 192         DEVICE=$(echo $DEVICE | awk ' { gsub(/:.*$/,NUL); print $0 } ')
 193
 194         eval IP4ADDR="\$IPADDR${IP4_PRIM_IF:-}"
 195         # check if ipaddr doesn't contain network length -- use $NETMASK then
 196         if [[ "$IP4ADDR" != */* ]] && [ "$NETMASK" ]; then
 197                 IP4ADDR=$IP4ADDR/$(calcprefix $NETMASK)
 198         fi
 199
 200         # check if we have ipv6 or ipv4 address
 201         if [[ "${IP4ADDR}" = *:* ]]; then
 202                 IP6ADDR=${IP4ADDR}
 203                 IP4ADDR=""
 204         else
 205                 eval IP4ADDROPT="\$IP_AOPTS${IP4_PRIM_IF:-}"
 206                 eval IP4ROUTEOPT="\$IP_ROPTS${IP4_PRIM_IF:-}"
 207                 eval IP4ADDRLABEL="\$IP_LABEL${IP4_PRIM_IF:-}"
 208         fi
 209         if [ "${IP6_PRIM_IF}" ] ; then
 210                 eval IP6ADDR="\$IPADDR${IP6_PRIM_IF:-}"
 211                 eval IP6ADDROPT="\$IPV6_AOPTS${IP6_PRIM_IF:-}"
 212                 eval IP6ADDRLABEL="\$IP_LABEL${IP6_PRIM_IF:-}"
 213         fi
 214         if [ "${IP4_SRC_IF}" ] ; then
 215                 eval IP4SRCADDR="\$IPADDR${IP4_SRC_IF}"
 216                 IP4SRCADDR=$(echo ${IP4SRCADDR} | awk ' { gsub(/\/.*/,NIL); print "src " $0; } ')
 217         fi
 218
 219         # new rc-scripts 0.4.x option
 220         if [ -z "$HANDLING" ]; then
 221                 HANDLING=0
 222         fi
 223
 224         # set handling for bridge
 225         case "$DEVICETYPE" in
 226           br|atm|lec|irda|vlan)
 227                 HANDLING=1
 228                 ;;
 229         esac
 230
 231         # Multicast ready devices
 232         if is_yes "$MULTICAST"; then
 233                 MULTICAST="on"
 234         else
 235                 case "$DEVICETYPE" in
 236                   eth|br)
 237                         MULTICAST="on"
 238                         ;;
 239                   *)
 240                         MULTICAST="off"
 241                         ;;
 242                 esac
 243         fi
 244
 245         # ARP ready devices
 246         if [ "$ARP" ] ; then
 247                 if is_yes "$ARP"; then
 248                         ARP="arp on"
 249                 else
 250                         ARP="arp off"
 251                 fi
 252         fi
 253 }
 254
 255 check_device_down ()
 256 {
 257         if LC_ALL=C ip link show dev ${DEVICE} 2> /dev/null | grep -q UP; then
 258                 return 1
 259         else
 260                 return 0
 261         fi
 262 }
 263
 264 setup_ip_gw_ro ()
 265 {
 266         # IPv4 gateway
 267         if is_yes "$IPV4_NETWORKING"; then
 268                 if [ -z "${GATEWAYDEV}" -o "${GATEWAYDEV}" = "${DEVICE}" ]; then
 269                         # set up default gateway
 270                         if [ "${GATEWAY}" ]; then
 271                                 ip -4 route add default via ${GATEWAY} dev ${DEVICE} ${IP4SRCADDR} onlink 2>/dev/null
 272                                 if [ $? = 0 ]; then
 273                                         DEFGW=${GATEWAY}
 274                                 else
 275                                         # The default gateway could be set via eth0, while bringing up eth1 we shouldn't set default gateway again.
 276                                         # To prevent this message just set GATEWAYDEV=eth0 in /etc/sysconfig/network.
 277                                         nls "Warning: Default gateway already set proably via other interface. Do you need to setup GATEWAYDEV?"
 278                                 fi
 279                         elif [ "${GATEWAYDEV}" = "${DEVICE}" ]; then
 280                                 ip -4 route add default dev ${DEVICE} ${IP4SRCADDR}
 281                         fi
 282                 fi
 283         fi
 284
 285         # IPv6 gateway && IPv6 globalroute
 286         if is_yes "$IPV6_NETWORKING"; then
 287                 if [ -z "${GATEWAY6DEV}" -o "${GATEWAY6DEV}" = "${DEVICE}" ]; then
 288                         # set up default gateway
 289                         if [ "${GATEWAY6}" ]; then
 290                                 ip -6 route add default via ${GATEWAY6} dev ${DEVICE} ${IP6SRCADDR} onlink
 291                                 DEFGW6=${GATEWAY6}
 292                         elif [ "${GATEWAY6DEV}" = "${DEVICE}" ]; then
 293                                 ip -6 route add default dev ${DEVICE} ${IP6SRCADDR}
 294                         fi
 295                 fi
 296                 if [ -z "${IPV6_GLOBALROUTEDEV}" -o "${IPV6_GLOBALROUTEDEV}" = "${DEVICE}" ]; then
 297                         # set up default route
 298                         if [ "${IPV6_GLOBALROUTEGW}" ]; then
 299                                 ip -6 route add 2000::/3 via ${IPV6_GLOBALROUTEGW} dev ${DEVICE} ${IP6SRCADDR} onlink
 300                         elif [ "${IPV6_GLOBALROUTEDEV}" = "${DEVICE}" ]; then
 301                                 ip -6 route add 2000::/3 dev ${DEVICE} ${IP6SRCADDR}
 302                         fi
 303                 fi
 304         fi
 305 }
 306
 307 #
 308 # following function sets up routes not associated to any device
 309 # eg. unreachable or blackhole routes
 310 # (c) 1999 Jacek Konieczny <jajcus@pld-linux.org>
 311 #
 312 setup_routes()
 313 {
 314         typeset args
 315
 316         if [ -f /etc/sysconfig/static-routes ]; then
 317                 if [ "$1" = "on" -o "$1" = "yes" ] ; then
 318                         grep -E "^(none|any)[[:blank:]]" /etc/sysconfig/static-routes | while read device args; do
 319                                 /sbin/ip route add $args
 320                         done
 321                 else
 322                         grep -E "^(none|any)[[:blank:]]" /etc/sysconfig/static-routes | while read device args; do
 323                                 /sbin/ip route del $args 2>/dev/null
 324                         done
 325                 fi
 326         fi
 327 }
 328
 329 # Add ONLY IPv4 address (IPv6 address is added automaticly)
 330 set_up_loopback()
 331 {
 332         if is_yes "$IPV4_NETWORKING"; then
 333                 ip addr add 127.0.0.1/8 dev lo
 334         fi
 335         ip link set dev lo up
 336 }
 337
 338 set_down_loopback()
 339 {
 340         LC_ALL=C ip addr flush dev lo 2>&1 | grep -v "Nothing to flush"
 341         ip link set dev lo down
 342 }
 343
 344 modprobe_net()
 345 {
 346         if is_yes "$IPV6_NETWORKING" && is_module "ipv6"; then
 347                 _modprobe single -k ipv6
 348         fi
 349
 350         if is_yes "$IPX" && is_module "ipx"; then
 351                 _modprobe single -k ipx
 352         fi
 353 }
 354
 355 # calculate network prefix from given network mask
 356 calcprefix()
 357 {
 358         typeset old_IFS netmask prefix endp
 359
 360         old_IFS=$IFS
 361         IFS='.'
 362         netmask=$(echo $1)
 363         IFS=$old_IFS
 364
 365         prefix=0
 366         endp=0
 367         for n in $netmask ; do
 368                 for i in 128 64 32 16 8 4 2 1 ; do
 369                         if [ $(($n & $i)) -ne 0 ]; then
 370                                 if [ $endp -eq 0 ]; then
 371                                         prefix=$(($prefix + 1))
 372                                 else
 373                                         echo "32"
 374                                         return
 375                                 fi
 376                         else
 377                                 endp=1
 378                         fi
 379                 done
 380         done
 381         echo $prefix
 382 }
 383
 384 # calculate network mask from given prefix
 385 # (c) 1999 Grzegorz Stanislawski <stangrze@open.net.pl>
 386 calcnetmask()
 387 {
 388         typeset prefix a MASK
 389
 390         MASK=""
 391         if [ "${1##[0-9]*}" ]; then
 392                 prefix=32
 393         else
 394                 typeset -i prefix=$1
 395         fi
 396         for i in 1 2 3 4; do
 397                 case $prefix in
 398                   7)    a=254 ;;
 399                   6)    a=252 ;;
 400                   5)    a=248 ;;
 401                   4)    a=240 ;;
 402                   3)    a=224 ;;
 403                   2)    a=192 ;;
 404                   1)    a=128 ;;
 405                   *)
 406                         [ $prefix -ge 8 ] && a=255
 407                         [ $prefix -le 0 ] && a=0
 408                         ;;
 409                 esac
 410
 411                 prefix="$(( $prefix - 8))"
 412                 if [ -z "$MASK" ]; then
 413                         MASK=$a
 414                 else
 415                         MASK=$MASK.$a
 416                 fi
 417         done
 418
 419         echo $MASK
 420         return
 421 }
 422
 423 # Retrievies PPPD PID and real interface name from /var/run/ppp-*.pid
 424 get_ppp_device_and_pid ()
 425 {
 426         if [ -f "/var/run/ppp-$DEVNAME.pid" ] ; then
 427                 eval $(
 428                 {
 429                         read PID ; echo "PID='$PID'"
 430                         read REALDEVICE ; echo "REALDEVICE=$REALDEVICE"
 431                 } < "/var/run/ppp-$DEVNAME.pid")
 432         fi
 433
 434         if [ -z "$REALDEVICE" ] ; then
 435                 REALDEVICE=$DEVICE
 436         fi
 437 }
 438
 439 # following function setups advanced routing rules
 440 # Olgierd Pieczul <wojrus@pld-linux.org>
 441 setup_ip_rules ()
 442 {
 443         typeset args prio from src
 444
 445         if [ -f /etc/sysconfig/static-routes ] ; then
 446                 if is_yes "$1"; then
 447                         grep -E "^(from|to|iif|tos|fwmark|dev|pref|priority|prio)[[:blank:]]" /etc/sysconfig/static-routes | while read args; do
 448                                 /sbin/ip rule add $args
 449                         done
 450                 elif is_no "$1"; then
 451                         LC_ALL=C /sbin/ip rule show | grep -vE -e "from all lookup (main|default|local) \$" -e " map-to " | while read prio from src args; do
 452                                 [ "$src" = "all" ] && ip rule delete $args || ip rule delete $from $src $args
 453                         done
 454                 fi
 455         fi
 456 }
 457
 458 is_wireless_device ()
 459 {
 460         if [ -x /sbin/iwconfig ]; then
 461                 LC_ALL=C iwconfig "${1}" 2>&1 | grep -q "no wireless extensions" || return 0
 462         fi
 463         return 1
 464 }
 465
 466 wireless_param()
 467 {
 468         device="$1"
 469         if [ "$2" = "br" ]; then
 470                 prefix="${device}_"
 471         else
 472                 prefix=""
 473         fi
 474
 475         local val wlan_mode
 476
 477         if val="$(eval echo \$${prefix}WLAN_NICKNAME)" && [ -z "$val" ]; then
 478                  WLAN_NICKNAME="$(hostname -f 2>/dev/null || hostname 2>/dev/null || echo localhost)"
 479         else
 480                  WLAN_NICKNAME="$val"
 481         fi
 482
 483         # wlan mode needs to be first
 484         wlan_mode="$(eval echo \$${prefix}WLAN_MODE)" && [ "$wlan_mode" ] && \
 485                 iwconfig ${device} mode "$wlan_mode"
 486
 487         iwconfig ${device} nick ${WLAN_NICKNAME}
 488
 489         val="$(eval echo \$${prefix}WLAN_NWID)" && [ "$val" ] && \
 490                 iwconfig ${device} nwid "$val"
 491
 492         if [ "$wlan_mode" != "Managed" -a "$wlan_mode" != "managed" ]; then
 493                 if val="$(eval echo \$${prefix}WLAN_FREQ)" && [ "$val" ]; then
 494                         iwconfig ${device} freq "$val"
 495                 elif val="$(eval echo \$${prefix}WLAN_CHANNEL)" && [ "$val" ]; then
 496                         iwconfig ${device} channel "$val"
 497                 fi
 498         fi
 499
 500         val="$(eval echo \$${prefix}WLAN_SENS)" && [ "$val" ] && \
 501                 iwconfig ${device} sens "$val"
 502         val="$(eval echo \$${prefix}WLAN_AP)" && [ "$val" ] && \
 503                 iwconfig ${device} ap "$val"
 504         val="$(eval echo \$${prefix}WLAN_BITRATE)" && [ "$val" ] && \
 505                 iwconfig ${device} rate "$val"
 506         val="$(eval echo \$${prefix}WLAN_RTS_THRESHOLD)" && [ "$val" ] && \
 507                 iwconfig ${device} rts "$val"
 508         val="$(eval echo \$${prefix}WLAN_FRAGMENTATION_THRESHOLD)" && [ "$val" ] && \
 509                 iwconfig ${device} frag "$val"
 510
 511         local wlan_encryption="$(eval echo \$${prefix}WLAN_ENCRYPTION)"
 512         local wlan_key="$(eval echo \$${prefix}WLAN_KEY)"
 513         # TODO: well, actually shouldn't set WLAN_KEY if other keys than current are set
 514         if [ "$wlan_key" ]; then
 515                 # wlan key can contain index of key to set
 516                 # to set other than current keys suffix with 1-4:
 517                 local idx
 518                 for idx in 1 2 3 4; do
 519                         val="$(eval echo \$${prefix}WLAN_KEY_$idx)"
 520                         [ "$val" ] || continue
 521                         iwconfig ${device} key "[$idx]" "$val"
 522                 done
 523                 if val="$(eval echo \$${prefix}WLAN_KEY_CURRENT)" && [ "$val" ]; then
 524                         iwconfig ${device} key "[$val]"
 525                 else
 526                         iwconfig ${device} key "$wlan_key"
 527                 fi
 528
 529                 [ "$wlan_encryption" ] && iwconfig ${device} key "$wlan_encryption"
 530         fi
 531
 532         if is_no "$wlan_encryption"; then
 533                 iwconfig ${device} key off
 534         fi
 535         val="$(eval echo \$${prefix}WLAN_POWER)" && [ "$val" ] && \
 536                 iwconfig ${device} power "$val"
 537         val="$(eval echo \$${prefix}WLAN_TXPOWER)" && [ "$val" ] && \
 538                 iwconfig ${device} txpower "$val"
 539         val="$(eval echo \$${prefix}WLAN_RETRY)" && [ "$val" ] && \
 540                 iwconfig ${device} retry "$val"
 541         val="$(eval echo \$${prefix}WLAN_NWID)" && [ "$val" ] && \
 542                 iwconfig ${device} nwid "$val"
 543
 544         # essid should be last due to network rescanning by wlan devices
 545         val="$(eval echo \$${prefix}WLAN_ESSID)" && [ "$val" ] && \
 546                 iwconfig ${device} essid "$val"
 547
 548         if is_yes "$(eval echo \$${prefix}WLAN_COMMIT)"; then
 549                 iwconfig ${device} commit
 550         fi
 551 }
 552
 553 # returns
 554 # 0 - no link
 555 # 1 - link ok
 556 # 2 - unsupported, unknown return
 557 check_mii_tool ()
 558 {
 559         [ -x /sbin/mii-tool ] || return 2
 560         local output=$(LC_ALL=C mii-tool $1 2>&1)
 561         echo $output | grep -q "link ok" && return 1
 562         echo $output | grep -q "no link" && return 0
 563         return 2
 564 }
 565
 566 # returns
 567 # 0 - link off
 568 # 1 - link on
 569 # 2 - unsupported, unknown return
 570 check_ethtool ()
 571 {
 572         [ -x /sbin/ethtool ] || return 2
 573         local output=$(LC_ALL=C ethtool $1 2>&1)
 574         echo $output | grep -q "Link detected: yes" && return 1
 575         echo $output | grep -q "Link detected: no" && return 0
 576         return 2
 577 }
 578
 579 # returns
 580 # 0 - radio off
 581 # 1 - radio on
 582 # 2 - unsupported
 583 check_iwconfig ()
 584 {
 585         [ -x /sbin/iwconfig ] || return 2
 586         local output=$(LC_ALL=C iwconfig "$1" 2>&1)
 587         echo "$output" | grep -q "radio off" && return 0
 588         # XXX why no 'radio on' check?
 589         return 2
 590 }
 591
 592 # returns
 593 # 0 - link down
 594 # 1 - link up
 595 check_link_down ()
 596 {
 597         if [ -x /sbin/mii-tool -o -x /sbin/ethtool -o -x /sbin/iwconfig ]; then
 598                 if ! LC_ALL=C ip link show dev $1 2>/dev/null| grep -q UP ; then
 599                         ip link set dev $1 up >/dev/null 2>&1
 600                         timeout=0
 601                         while [ $timeout -le 10 ]; do
 602                                 check_mii_tool $1
 603                                 m=$?
 604                                 check_ethtool $1
 605                                 e=$?
 606                                 check_iwconfig $1
 607                                 i=$?
 608                                 if [ $m -eq 1 ] || [ $e -eq 1 ] ; then
 609                                         return 1
 610                                 fi
 611                                 if [ $m -eq 2 ] && [ $e -eq 2 ] && [ $i -eq 2 ]; then
 612                                         return 1
 613                                 fi
 614                                 usleep 500000
 615                                 timeout=$((timeout+1))
 616                         done
 617                         return 0
 618                 fi
 619         fi
 620         return 1
 621 }