diff --git a/Makefile b/Makefile
index 3d55337..1a02c94 100644
--- a/Makefile
+++ b/Makefile
@@ -178,9 +178,13 @@ endif
 endif
 
 ifeq ($(CONFIG_PLATFORM_I386_PC), y)
-EXTRA_CFLAGS += -DCONFIG_LITTLE_ENDIAN
-SUBARCH := $(shell uname -m | sed -e s/i.86/i386/)
+SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ | sed -e s/ppc/powerpc/)
 ARCH ?= $(SUBARCH)
+ifeq ($(ARCH), "powerpc")
+EXTRA_CFLAGS += -DCONFIG_BIG_ENDIAN
+else
+EXTRA_CFLAGS += -DCONFIG_LITTLE_ENDIAN
+endif
 CROSS_COMPILE ?=
 KVER  := $(shell uname -r)
 KSRC := /lib/modules/$(KVER)/build
diff --git a/core/rtw_br_ext.c b/core/rtw_br_ext.c
index f7f13dc..44b59f1 100644
--- a/core/rtw_br_ext.c
+++ b/core/rtw_br_ext.c
@@ -45,6 +45,10 @@
 #include "./8192cd_debug.h"
 #endif	// rtw_wifi_driver
 
+#ifndef csum_ipv6_magic
+#include <net/ip6_checksum.h>
+#endif
+
 #ifdef CL_IPV6_PASS
 #ifdef __KERNEL__
 #include <linux/ipv6.h>