kernel: r8126: add RSS variant

Instead of enabling RSS support, let's introduce a variant and let users
choose between both variants since it can cause network issues.

Signed-off-by: Milinda Brantini <C_A_T_T_E_R_Y@outlook.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

package/kernel/r8126/Makefile

@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=r8126
 PKG_VERSION:=10.013.00
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=https://github.com/Noltari/rtl8126/releases/download/$(PKG_VERSION)
@@ -22,12 +22,25 @@ define KernelPackage/r8126
   FILES:=$(PKG_BUILD_DIR)/src/r8126.ko
   AUTOLOAD:=$(call AutoProbe,r8126)
   PROVIDES:=kmod-r8169
+  VARIANT:=regular
 endef
 
+define KernelPackage/r8126-rss
+$(call KernelPackage/r8126)
+  TITLE+= (RSS)
+  VARIANT:=rss
+endef
+
+ifeq ($(BUILD_VARIANT),rss)
+  PKG_MAKE_FLAGS += ENABLE_RSS_SUPPORT=y
+endif
+
 define Build/Compile
 	+$(KERNEL_MAKE) $(PKG_JOBS) \
+		$(PKG_MAKE_FLAGS) \
 		M="$(PKG_BUILD_DIR)/src" \
 		modules
 endef
 
 $(eval $(call KernelPackage,r8126))
+$(eval $(call KernelPackage,r8126-rss))