btfilter: add patch to support libnl-3

Now that btfilter supports libnl-3, remove DEL's preferred version of
libnl on 2.0

Signed-off-by: Javier Viguera <javier.viguera@digi.com>

meta-digi-del/conf/distro/del.conf

@@ -32,7 +32,6 @@ PREFERRED_VERSION_linux-yocto_qemux86-64 ?= "3.4%"
 PREFERRED_VERSION_linux-yocto_qemuarm ?= "3.4%"
 PREFERRED_VERSION_linux-yocto_qemumips ?= "3.4%"
 PREFERRED_VERSION_linux-yocto_qemuppc ?= "3.4%"
-PREFERRED_VERSION_libnl ?= "2.0"
 
 SDK_NAME = "${DISTRO}-${TCLIBC}-${SDK_ARCH}-${TARGET_ARCH}"
 SDKPATH = "/opt/${DISTRO}/${SDK_VERSION}"

meta-digi-del/recipes-connectivity/btfilter/btfilter-v3.2p11-b3.2.0.300/0001-enable-libnl3.patch

@@ -0,0 +1,75 @@
+From: Javier Viguera <javier.viguera@digi.com>
+Date: Thu, 31 Jan 2013 11:23:37 +0100
+Subject: [PATCH] enable-libnl3
+
+Signed-off-by: Javier Viguera <javier.viguera@digi.com>
+---
+ Makefile        | 8 +++++++-
+ nl80211_utils.c | 4 ++--
+ nl80211_utils.h | 2 +-
+ 3 files changed, 10 insertions(+), 4 deletions(-)
+
+diff --git a/Makefile b/Makefile
+index 797dc51..66f469e 100644
+--- a/Makefile
++++ b/Makefile
+@@ -55,17 +55,23 @@ LIBS=		-ldbus-1 -lpthread -lrt -lbluetooth
+ 
+ NL1FOUND := $(shell $(PKG_CONFIG) --atleast-version=1 libnl-1 && echo Y)
+ NL2FOUND := $(shell $(PKG_CONFIG) --atleast-version=2 libnl-2.0 && echo Y)
++NL3FOUND := $(shell $(PKG_CONFIG) --atleast-version=3 libnl-3.0 && echo Y)
+ 
+ ifeq ($(NL1FOUND),Y)
++CFLAGS += -DCONFIG_LIBNL1
+ NLLIBNAME = libnl-1
+ endif
+ 
+ ifeq ($(NL2FOUND),Y)
+-CFLAGS += -DCONFIG_LIBNL20
+ LIBS += -lnl-genl
+ NLLIBNAME = libnl-2.0
+ endif
+ 
++ifeq ($(NL3FOUND),Y)
++LIBS += -lnl-genl
++NLLIBNAME = libnl-3.0
++endif
++
+ #ifeq ($(NLLIBNAME),)
+ #$(error Cannot find development files for any supported version of libnl)
+ #endif
+diff --git a/nl80211_utils.c b/nl80211_utils.c
+index 4689044..2957f2e 100644
+--- a/nl80211_utils.c
++++ b/nl80211_utils.c
+@@ -9,7 +9,7 @@
+ #include <net/if.h>
+ #include "nl80211_utils.h"
+ 
+-#ifndef CONFIG_LIBNL20
++#ifdef CONFIG_LIBNL1
+ /* libnl 2.0 compatibility code */
+ 
+ static inline int __genl_ctrl_alloc_cache(struct nl_sock *h, struct nl_cache **cache)
+@@ -24,7 +24,7 @@ static inline int __genl_ctrl_alloc_cache(struct nl_sock *h, struct nl_cache **c
+ #define nl_socket_alloc nl_handle_alloc
+ #define nl_socket_free nl_handle_destroy
+ 
+-#endif /* CONFIG_LIBNL20 */
++#endif /* CONFIG_LIBNL1 */
+ 
+ int iw_debug = 0;
+ 
+diff --git a/nl80211_utils.h b/nl80211_utils.h
+index e58767a..e8c482a 100644
+--- a/nl80211_utils.h
++++ b/nl80211_utils.h
+@@ -11,7 +11,7 @@
+ #include <netlink/genl/family.h>
+ #include <netlink/genl/ctrl.h>
+ 
+-#ifndef CONFIG_LIBNL20
++#ifdef CONFIG_LIBNL1
+ #define nl_sock nl_handle
+ #endif
+ 

meta-digi-del/recipes-connectivity/btfilter/btfilter_v3.2p11-b3.2.0.300.bb

@@ -9,6 +9,7 @@ PR = "r0"
 
 FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
 SRC_URI = "${DIGI_LOG_MIRROR}${PN}-${PV}.tar.bz2 \
+           file://0001-enable-libnl3.patch \
 	   file://S65bluez-bg.sh"
 
 S = "${WORKDIR}/${PN}-${PV}"