#  liblwip: Makefile.uk
#
#  Authors: Felipe Huici <felipe.huici@neclab.eu>
#           Simon Kuenzer <simon.kuenzer@neclab.eu>
#
#
#  Copyright (c) 2017-2019, NEC Europe Ltd., NEC Corporation.
#                           All rights reserved.
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions
#  are met:
#
#  1. Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#  2. Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#  3. Neither the name of the copyright holder nor the names of its
#     contributors may be used to endorse or promote products derived from
#     this software without specific prior written permission.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
#  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
#  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
#  POSSIBILITY OF SUCH DAMAGE.
#

################################################################################
# Library registration
################################################################################
$(eval $(call addlib_s,liblwip,$(CONFIG_LIBLWIP)))

################################################################################
# Sources
################################################################################
ifeq ($(CONFIG_LWIP_UNIKRAFT21X),y)
LIBLWIP_BRANCH=UNIKRAFT-2_1_x
LIBLWIP_ZIPNAME=fork-lwip-$(LIBLWIP_BRANCH)
LIBLWIP_URL=https://github.com/unikraft/fork-lwip/archive/refs/heads/$(LIBLWIP_BRANCH).zip
else ifeq ($(CONFIG_LWIP_LATEST21X),y)
LIBLWIP_BRANCH=STABLE-2_1_x
LIBLWIP_ZIPNAME=fork-lwip-$(LIBLWIP_BRANCH)
LIBLWIP_URL=https://github.com/unikraft/fork-lwip/archive/refs/heads/$(LIBLWIP_BRANCH).zip
else
LIBLWIP_TAG=STABLE-2_1_2_RELEASE
LIBLWIP_ZIPNAME=fork-lwip-$(LIBLWIP_TAG)
LIBLWIP_URL=https://github.com/unikraft/fork-lwip/archive/refs/tags/$(LIBLWIP_TAG).zip
LIBLWIP_ORIGIN_SHA256=8f0ae46e2702720ce852b00de5d304adb2809b0203741f299876594bb8be7890
endif

LIBLWIP_PATCHDIR=$(LIBLWIP_BASE)/patches

ifeq ($(CONFIG_LIBLWIP), y)
$(eval $(call fetch,liblwip,$(LIBLWIP_URL)))
$(eval $(call patch,liblwip,$(LIBLWIP_PATCHDIR),$(LIBLWIP_ZIPNAME)))
endif

################################################################################
# Helpers
################################################################################
LIBLWIP_EXTRACTED=$(LIBLWIP_ORIGIN)/$(LIBLWIP_ZIPNAME)/src

################################################################################
# Library includes
################################################################################
LIBLWIP_COMMON_INCLUDES-y += -I$(LIBLWIP_BASE)/include
LIBLWIP_COMMON_INCLUDES-y += -I$(LIBLWIP_BASE)/musl-imported/include
LIBLWIP_COMMON_INCLUDES-y += -I$(LIBLWIP_EXTRACTED)/include
CINCLUDES-$(CONFIG_LIBLWIP)   += $(LIBLWIP_COMMON_INCLUDES-y)
CXXINCLUDES-$(CONFIG_LIBLWIP) += $(LIBLWIP_COMMON_INCLUDES-y)

ifeq ($(CONFIG_LIBLWIP), y)
$(eval $(call uknetdev_scratch_mem,$(CONFIG_LWIP_UKNETDEV_SCRATCH)))
endif

################################################################################
# Library flags
################################################################################
LIBLWIP_CFLAGS-y += -Wno-type-limits -Wno-unused-parameter
LIBLWIP_CFLAGS-$(call have_clang) += -Wno-macro-redefined
LIBLWIP_CFLAGS-$(CONFIG_LWIP_DEBUG) += -DUK_DEBUG
LIBLWIP_CFLAGS-y   += -D__IN_LIBLWIP__
LIBLWIP_CXXFLAGS-y += -D__IN_LIBLWIP__

################################################################################
# Core
################################################################################
LIBLWIP_SRCS-y += $(LIBLWIP_BASE)/alloc.c|unikraft
LIBLWIP_SRCS-$(CONFIG_LWIP_THREADS) += $(LIBLWIP_BASE)/mutex.c|unikraft
LIBLWIP_SRCS-$(CONFIG_LWIP_THREADS) += $(LIBLWIP_BASE)/semaphore.c|unikraft
LIBLWIP_SRCS-$(CONFIG_LWIP_THREADS) += $(LIBLWIP_BASE)/mailbox.c|unikraft
LIBLWIP_SRCS-$(CONFIG_LWIP_THREADS) += $(LIBLWIP_BASE)/threads.c|unikraft
LIBLWIP_SRCS-y += $(LIBLWIP_BASE)/init.c|unikraft
LIBLWIP_SRCS-y += $(LIBLWIP_BASE)/time.c|unikraft
LIBLWIP_SRCS-y += $(LIBLWIP_BASE)/sendfile.c|unikraft
LIBLWIP_SRCS-$(CONFIG_LWIP_SOCKET) += $(LIBLWIP_BASE)/sockets.c|unikraft
LIBLWIP_SOCKETS_FLAGS-$(call gcc_version_ge,8,0) += -Wno-cast-function-type
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/core/init.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/core/def.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/core/inet_chksum.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/core/ip.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/core/mem.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/core/memp.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/core/netif.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/core/pbuf.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/core/raw.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/core/stats.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/core/sys.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/core/timeouts.c
LIBLWIP_SRCS-$(CONFIG_LWIP_DNS) += $(LIBLWIP_EXTRACTED)/core/dns.c
LIBLWIP_SRCS-$(CONFIG_LWIP_TCP) += $(LIBLWIP_EXTRACTED)/core/tcp.c
LIBLWIP_SRCS-$(CONFIG_LWIP_TCP) += $(LIBLWIP_EXTRACTED)/core/tcp_in.c
LIBLWIP_SRCS-$(CONFIG_LWIP_TCP) += $(LIBLWIP_EXTRACTED)/core/tcp_out.c
LIBLWIP_SRCS-$(CONFIG_LWIP_UDP) += $(LIBLWIP_EXTRACTED)/core/udp.c

################################################################################
# APIs
################################################################################
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/api/api_lib.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/api/api_msg.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/api/err.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/api/netbuf.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/api/netdb.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/api/netifapi.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/api/tcpip.c
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/api/if_api.c
LIBLWIP_SRCS-$(CONFIG_LWIP_SOCKET) += $(LIBLWIP_EXTRACTED)/api/sockets.c

################################################################################
# NETIFs
################################################################################
LIBLWIP_SRCS-y += $(LIBLWIP_EXTRACTED)/netif/ethernet.c
LIBLWIP_SRCS-$(CONFIG_LWIP_UKNETDEV) += $(LIBLWIP_BASE)/netbuf.c|unikraft
LIBLWIP_SRCS-$(CONFIG_LWIP_UKNETDEV) += $(LIBLWIP_BASE)/uknetdev.c|unikraft

################################################################################
# IPv4
################################################################################
LIBLWIP_SRCS-$(CONFIG_LWIP_IPV4)    += $(LIBLWIP_EXTRACTED)/core/ipv4/etharp.c
LIBLWIP_SRCS-$(CONFIG_LWIP_IPV4)    += $(LIBLWIP_EXTRACTED)/core/ipv4/ip4_frag.c
LIBLWIP_SRCS-$(CONFIG_LWIP_IPV4)    += $(LIBLWIP_EXTRACTED)/core/ipv4/ip4.c
LIBLWIP_SRCS-$(CONFIG_LWIP_IPV4)    += $(LIBLWIP_EXTRACTED)/core/ipv4/ip4_addr.c
LIBLWIP_SRCS-$(CONFIG_LWIP_ICMP)    += $(LIBLWIP_EXTRACTED)/core/ipv4/icmp.c
LIBLWIP_SRCS-$(CONFIG_LWIP_IGMP)    += $(LIBLWIP_EXTRACTED)/core/ipv4/igmp.c
LIBLWIP_SRCS-$(CONFIG_LWIP_DHCP)    += $(LIBLWIP_EXTRACTED)/core/ipv4/dhcp.c

################################################################################
# IPv6
################################################################################
LIBLWIP_SRCS-$(CONFIG_LWIP_IPV6) += $(LIBLWIP_EXTRACTED)/core/ipv6/dhcp6.c
LIBLWIP_SRCS-$(CONFIG_LWIP_IPV6) += $(LIBLWIP_EXTRACTED)/core/ipv6/ethip6.c
LIBLWIP_SRCS-$(CONFIG_LWIP_IPV6) += $(LIBLWIP_EXTRACTED)/core/ipv6/icmp6.c
LIBLWIP_SRCS-$(CONFIG_LWIP_IPV6) += $(LIBLWIP_EXTRACTED)/core/ipv6/ip6.c
LIBLWIP_SRCS-$(CONFIG_LWIP_IPV6) += $(LIBLWIP_EXTRACTED)/core/ipv6/ip6_addr.c
LIBLWIP_SRCS-$(CONFIG_LWIP_IPV6) += $(LIBLWIP_EXTRACTED)/core/ipv6/ip6_frag.c
LIBLWIP_SRCS-$(CONFIG_LWIP_IPV6) += $(LIBLWIP_EXTRACTED)/core/ipv6/mld6.c
LIBLWIP_SRCS-$(CONFIG_LWIP_IPV6) += $(LIBLWIP_EXTRACTED)/core/ipv6/nd6.c