BRN:Software:Build and Distribution:Madwifi

Introduction

Madwifi is the name of the open source project and the name of its device driver for the Atheros wireless networking card. The Netgear WGT634U has built-in a MiniPCI Atheros AR5213A card.

Driver Sources

Fetch the tarball from the project's website and unpack them:

$ wget http://mesh.dl.sourceforge.net/sourceforge/madwifi/madwifi-0.9.2.tar.bz2
$ tar xjf madwifi-0.9.2.tar.bz2

Alternatively checkout the sources from svn:

$ svn co http://svn.madwifi.org/trunk madwifi-svn

Patch for madwifi:

$ svn co svn://sarsvn.informatik.hu-berlin.de/BerlinRoofNet/trunk/madwifi/patches madwifi-patches

Build

Apply patches:

$ cd madwifi-0.9.2  # or "cd madwifi-svn"
$ for p in ../madwifi-patches/*.patch; do patch -p1 -i $p; done

Copy build script from kernel:

$ KERNEL_VERSION=2.6.16.13
$ KERNEL_DIR=linux-$KERNEL_VERSION
$ cp ../linux-$KERNEL_VERSION/build.sh .

Build:

$ sh build.sh KERNELPATH=$(pwd)/../$KERNEL_DIR

Patch:

--- madwifi-0.9.2-orig/hal/public/mips1-le-elf.inc      2006-09-11 10:33:17.000000000 +0200
+++ madwifi-0.9.2-new/hal/public/mips1-le-elf.inc       2006-09-11 10:33:29.000000000 +0200
@@ -68,5 +68,5 @@

 LDOPTS=        -EL
 COPTS+=        -DAH_BYTE_ORDER=AH_LITTLE_ENDIAN
-COPTS+=        -G 0 -EL -mno-abicalls -fno-pic -mips1 -Wa,--trap \
+COPTS+=        -G 0 -mno-abicalls -fno-pic -Wa,--trap \
        -fno-strict-aliasing -fno-common -fomit-frame-pointer -mlong-calls

Install

$ KERNELRELEASE=$KERNEL_VERSION$(grep CONFIG_LOCALVERSION= ../$KERNEL_DIR/.config | sed 's/CONFIG_LOCALVERSION="\([^"]\+\)"/\1/')
$ sh build.sh install DESTDIR=$(pwd)/../root KERNELRELEASE=$KERNELRELEASE
$ cd ..
$ (cd $KERNEL_DIR; /sbin/depmod -ae -F System.map -b $(pwd)/../root -r $KERNELRELEASE)

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