ccflags-y := -O3 -fvisibility=hidden ccflags-$(CONFIG_WIREGUARD_DEBUG) := -DDEBUG -g ccflags-y += -Wframe-larger-than=8192 ccflags-y += -D'pr_fmt(fmt)=KBUILD_MODNAME ": " fmt' -include $(src)/compat.h wireguard-y := main.o noise.o device.o peer.o timers.o data.o send.o receive.o socket.o config.o hashtables.o routingtable.o ratelimiter.o cookie.o wireguard-y += crypto/curve25519.o crypto/chacha20poly1305.o crypto/blake2s.o crypto/siphash24.o ifeq ($(CONFIG_X86_64),y) wireguard-y += crypto/chacha20-ssse3-x86_64.o crypto/poly1305-sse2-x86_64.o avx2_supported := $(call as-instr,vpgatherdd %ymm0$(comma)(%eax$(comma)%ymm1$(comma)4)$(comma)%ymm2,yes,no) ifeq ($(avx2_supported),yes) wireguard-y += crypto/chacha20-avx2-x86_64.o crypto/poly1305-avx2-x86_64.o endif endif ifneq ($(KBUILD_EXTMOD),) CONFIG_WIREGUARD := m ifeq ($(CONFIG_WIREGUARD_PARALLEL),) ifneq (,$(filter $(CONFIG_PADATA),y m)) ccflags-y += -DCONFIG_WIREGUARD_PARALLEL=y endif endif ifneq ($(CONFIG_MODULES),) ifeq ($(CONFIG_NETFILTER_XT_MATCH_HASHLIMIT),) $(error "WireGuard requires CONFIG_NETFILTER_XT_MATCH_HASHLIMIT to be configured in your kernel. See https://www.wireguard.io/install/#kernel-requirements for more info") endif ifeq ($(CONFIG_PADATA),) ifneq ($(CONFIG_SMP),) $(warning "PEFORMANCE WARNING: WireGuard has enormous speed benefits when using CONFIG_PADATA on SMP systems. Please enable CONFIG_PADATA in your kernel configuration. See https://www.wireguard.io/install/#kernel-requirements for more info.") endif endif endif endif obj-$(CONFIG_WIREGUARD) := wireguard.o