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authormbm <mbm@3c298f89-4303-0410-b956-a3cf2f4a3e73>2005-02-06 00:52:16 +0000
committermbm <mbm@3c298f89-4303-0410-b956-a3cf2f4a3e73>2005-02-06 00:52:16 +0000
commitc31ac521e420aa0cfd3ddbc0859b29b0e2a3ff3e (patch)
tree7f74d65e19595fd3b6a258f82ced9c9c964df586 /target/default/target_skeleton/etc/functions.sh
parent4aba84e6f06f55c77ff8dbbcf0de172c6c14d03b (diff)
openwrt root filesystem
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@211 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/default/target_skeleton/etc/functions.sh')
-rwxr-xr-xtarget/default/target_skeleton/etc/functions.sh33
1 files changed, 33 insertions, 0 deletions
diff --git a/target/default/target_skeleton/etc/functions.sh b/target/default/target_skeleton/etc/functions.sh
new file mode 100755
index 0000000000..75500a2aab
--- /dev/null
+++ b/target/default/target_skeleton/etc/functions.sh
@@ -0,0 +1,33 @@
+#!/bin/ash
+
+alias debug=${DEBUG:-:}
+
+# allow env to override nvram
+nvram () {
+ case $1 in
+ get) eval "echo \${NVRAM_$2:-\$(command nvram get $2)}";;
+ *) command nvram $*;;
+ esac
+}
+. /etc/nvram.overrides
+
+# valid interface?
+if_valid () {
+ ifconfig "$1" >&- 2>&- ||
+ [ "${1%%[0-9]}" = "br" ] ||
+ {
+ [ "${1%%[0-9]}" = "vlan" ] && (
+ i=${1#vlan}
+ hwname=$(nvram get vlan${i}hwname)
+ hwaddr=$(nvram get ${hwname}macaddr)
+ [ -z "$hwaddr" ] && return 1
+
+ vif=$(ifconfig -a | awk '/^eth.*'$hwaddr'/ {print $1; exit}' IGNORECASE=1)
+ debug "# vlan$i => $vif"
+
+ $DEBUG ifconfig $vif up
+ $DEBUG vconfig add $vif $i 2>&-
+ )
+ } ||
+ { echo -e "# $1 ignored: can't find/create"; false; }
+}