From 5a8c63b47e19f6569f54a046cfd74925d35550a6 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Sat, 16 Feb 2013 11:50:22 +0000 Subject: [PATCH] base-files: add macaddr_{add,2bin,setbit_la} helpers Signed-off-by: Gabor Juhos SVN-Revision: 35614 --- package/base-files/Makefile | 2 +- package/base-files/files/lib/functions.sh | 24 +++++++++++++++++++++++ 2 files changed, 25 insertions(+), 1 deletion(-) diff --git a/package/base-files/Makefile b/package/base-files/Makefile index 26fa1b723d..789b5f6792 100644 --- a/package/base-files/Makefile +++ b/package/base-files/Makefile @@ -11,7 +11,7 @@ include $(INCLUDE_DIR)/kernel.mk include $(INCLUDE_DIR)/version.mk PKG_NAME:=base-files -PKG_RELEASE:=132 +PKG_RELEASE:=133 PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/ PKG_BUILD_DEPENDS:=opkg/host diff --git a/package/base-files/files/lib/functions.sh b/package/base-files/files/lib/functions.sh index 2022e8a3aa..a488f4dc01 100755 --- a/package/base-files/files/lib/functions.sh +++ b/package/base-files/files/lib/functions.sh @@ -274,6 +274,30 @@ mtd_get_mac_binary() { dd bs=1 skip=$offset count=6 if=$part 2>/dev/null | hexdump -v -n 6 -e '5/1 "%02x:" 1/1 "%02x"' } +macaddr_add() { + local mac=$1 + local val=$2 + local oui=${mac%:*:*:*} + local nic=${mac#*:*:*:} + + nic=$(printf "%06x" $((0x${nic//:/} + $val & 0xffffff)) | sed 's/^\(.\{2\}\)\(.\{2\}\)\(.\{2\}\)/\1:\2:\3/') + echo $oui:$nic +} + +macaddr_setbit_la() +{ + local mac=$1 + + printf "%02x:%s" $((0x${mac%%:*} | 0x02)) ${mac#*:} +} + +macaddr_2bin() +{ + local mac=$1 + + echo -ne \\x${mac//:/\\x} +} + strtok() { # { [] ... } local tmp local val="$1"