Hi,
I'm trying to follow the instructions here:
http://www.openflow.org/wk/index.php/UoR_:_Openflow_Kernel_space_on_DD-WRT
regarding
running OpenVSwitch on DD-WRT. I've run into some problems, and as I fix
them I'm starting to worry that I'm headed down the wrong path.
I've already cross-compiled Linux 2.6.23 for mipsel. I configure
openvswitch using this command:
./configure \
--prefix=$OUTPUT_DIR \
--with-linux=/opt/netgear/ddwrt_src/src/linux/brcm/linux-2.6.23 \
KARCH=mipsel \
CC=mipsel-linux-uclibc-gcc \
AR=mipsel-linux-uclibc-ar \
LD=mipsel-linux-uclibc-ld \
RANLIB=mipsel-linux-uclibc-ranlib \
STRIP=mipsel-linux-uclibc-strip \
--host=mipsel \
CFLAGS="-std=gnu99 -g -I${TOOL}/include/
-I/opt/netgear/openvswitch-1.7.1/datapath/linux/compat/include/
-L${TOOL}/lib/" \
where $TOOL=/opt/netgear/tools/toolchain-mipsel_gcc-linaro_uClibc-0.9.32
As soon as I run ./configure, I see the warning:
configure: WARNING: if you wanted to set the --build type, don't use --host.
If a cross compiler is detected then cross compile mode will be used
Which I've ignored so far.
When I run 'make', the command fails at this step:
mipsel-linux-uclibc-gcc -DHAVE_CONFIG_H -I. -I ./include -I ./lib -I
./lib -Wstrict-prototypes -Wall -Wno-sign-compare -Wpointer-arith
-Wdeclaration-after-statement -Wformat-security -Wswitch-enum
-Wunused-parameter -Wstrict-aliasing -Wbad-function-cast -Wcast-align
-Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes
-Wmissing-field-initializers -Wno-override-init -std=gnu99 -g
-I/opt/netgear/tools/toolchain-mipsel_gcc-linaro_uClibc-0.9.32/include/
-I/opt/netgear/openvswitch-1.7.1/datapath/linux/compat/include/
-L/opt/netgear/tools/toolchain-mipsel_gcc-linaro_uClibc-0.9.32/lib/ -MT
lib/vlandev.o -MD -MP -MF $depbase.Tpo -c -o lib/vlandev.o lib/vlandev.c
with the error:
/opt/netgear/openvswitch-1.7.1/datapath/linux/compat/include/linux/skbuff.h:4:31:
fatal error: linux/skbuff.h: No such file or directory
skbuff.h exists in my project
at /opt/netgear/ddwrt_src/src/linux/brcm/linux-2.6.23/include/linux/skbuff.h,
but adding that include directory results in a different set of warnings
and errors.
Has anybody else been able to cross-compile OpenVSwitch for mipsel? I'd
love to hear about it.
Thanks,
-Russ
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