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ea1ea71298
TCP-in-UDP is a lightweight TCP in UDP tunnel utilising eBPF. Signed-off-by: Chester A. Unal <chester.a.unal@arinc9.com>
49 lines
2.0 KiB
Makefile
49 lines
2.0 KiB
Makefile
# SPDX-License-Identifier: AGPL-3.0-or-later
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# Copyright (C) 2025-2026 Chester A. Unal <chester.a.unal@arinc9.com>
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include $(TOPDIR)/rules.mk
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PKG_NAME:=tcp-in-udp
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PKG_RELEASE:=1
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PKG_LICENSE:=AGPL-3.0-or-later
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PKG_MAINTAINER:=Chester A. Unal <chester.a.unal@arinc9.com>
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PKG_SOURCE_PROTO:=git
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PKG_SOURCE_URL:=https://github.com/multipath-tcp/tcp-in-udp.git
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PKG_SOURCE_DATE:=2026-02-24
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PKG_SOURCE_VERSION:=bf16ad0b1c43853abbcac2053241d28e2bb20d12
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PKG_MIRROR_HASH:=9b5c1f97a6400de3d975366b4cfeceebf6b63eda202dcd51848978730855a878
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PKG_BUILD_DEPENDS:=bpf-headers
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include $(INCLUDE_DIR)/package.mk
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include $(INCLUDE_DIR)/bpf.mk
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define Package/tcp-in-udp
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SECTION:=net
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CATEGORY:=Network
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TITLE:=Lightweight TCP in UDP tunnel using eBPF
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DEPENDS:=+libbpf $(BPF_DEPENDS)
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endef
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# The CompileBPF definition uses -O2 for LLVM_OPT which causes failure to load
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# the BPF programme. Use -O1 which works.
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# $(call CompileBPF,$(PKG_BUILD_DIR)/tcp_in_udp_tc.c,-DBPF_PRINTK_UNSUPPORTED)
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define Build/Compile
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$(CLANG) -g -target $(BPF_ARCH)-linux-gnu $(BPF_CFLAGS) -DBPF_PRINTK_UNSUPPORTED \
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-c $(PKG_BUILD_DIR)/tcp_in_udp_tc.c -o $(patsubst %.c,%.bc,$(PKG_BUILD_DIR)/tcp_in_udp_tc.c)
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$(LLVM_OPT) -O1 -mtriple=$(BPF_TARGET) < $(patsubst %.c,%.bc,$(PKG_BUILD_DIR)/tcp_in_udp_tc.c) > $(patsubst %.c,%.opt,$(PKG_BUILD_DIR)/tcp_in_udp_tc.c)
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$(LLVM_DIS) < $(patsubst %.c,%.opt,$(PKG_BUILD_DIR)/tcp_in_udp_tc.c) > $(patsubst %.c,%.S,$(PKG_BUILD_DIR)/tcp_in_udp_tc.c)
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$(LLVM_LLC) -march=$(BPF_TARGET) -mcpu=v3 -filetype=obj -o $(patsubst %.c,%.o,$(PKG_BUILD_DIR)/tcp_in_udp_tc.c) < $(patsubst %.c,%.S,$(PKG_BUILD_DIR)/tcp_in_udp_tc.c)
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$(CP) $(patsubst %.c,%.o,$(PKG_BUILD_DIR)/tcp_in_udp_tc.c) $(patsubst %.c,%.debug.o,$(PKG_BUILD_DIR)/tcp_in_udp_tc.c)
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$(LLVM_STRIP) --strip-debug $(patsubst %.c,%.o,$(PKG_BUILD_DIR)/tcp_in_udp_tc.c)
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endef
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define Package/tcp-in-udp/install
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$(INSTALL_DIR) $(1)/usr/lib/bpf
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$(INSTALL_DATA) $(PKG_BUILD_DIR)/tcp_in_udp_tc.o $(1)/usr/lib/bpf
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endef
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$(eval $(call BuildPackage,tcp-in-udp))
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