From fcb5d0fdafeebe49f42799b1d0d056c4b67bcc16 Mon Sep 17 00:00:00 2001
From: Christian Breunig <christian@breunig.cc>
Date: Mon, 12 Jun 2023 19:57:28 +0200
Subject: T5286: drop XDP support for ethernet and bonding interfaces

... this is a step towards a new and better implementation that will utilize
VPP.
---
 src/xdp/common/common.mk | 103 -----------------------------------------------
 1 file changed, 103 deletions(-)
 delete mode 100644 src/xdp/common/common.mk

(limited to 'src/xdp/common/common.mk')

diff --git a/src/xdp/common/common.mk b/src/xdp/common/common.mk
deleted file mode 100644
index ffb86a65c..000000000
--- a/src/xdp/common/common.mk
+++ /dev/null
@@ -1,103 +0,0 @@
-# Common Makefile parts for BPF-building with libbpf
-# --------------------------------------------------
-# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
-#
-# This file should be included from your Makefile like:
-#  COMMON_DIR = ../common/
-#  include $(COMMON_DIR)/common.mk
-#
-# It is expected that you define the variables:
-#  XDP_TARGETS and USER_TARGETS
-# as a space-separated list
-#
-LLC ?= llc
-CLANG ?= clang
-CC ?= gcc
-
-XDP_C = ${XDP_TARGETS:=.c}
-XDP_OBJ = ${XDP_C:.c=.o}
-USER_C := ${USER_TARGETS:=.c}
-USER_OBJ := ${USER_C:.c=.o}
-
-# Expect this is defined by including Makefile, but define if not
-COMMON_DIR ?= ../common/
-
-COPY_LOADER ?=
-LOADER_DIR ?= $(COMMON_DIR)/../utils
-
-# Extend if including Makefile already added some
-COMMON_OBJS += $(COMMON_DIR)/common_params.o $(COMMON_DIR)/common_user_bpf_xdp.o
-
-# Create expansions for dependencies
-COMMON_H := ${COMMON_OBJS:.o=.h}
-
-EXTRA_DEPS +=
-
-# BPF-prog kern and userspace shares struct via header file:
-KERN_USER_H ?= $(wildcard common_kern_user.h)
-
-CFLAGS ?= -g -I../include/
-BPF_CFLAGS ?= -I../include/
-
-LIBS = -lbpf -lelf $(USER_LIBS)
-
-all: llvm-check $(USER_TARGETS) $(XDP_OBJ) $(COPY_LOADER) $(COPY_STATS)
-
-.PHONY: clean $(CLANG) $(LLC)
-
-clean:
-	$(MAKE) -C $(COMMON_DIR) clean
-	rm -f $(USER_TARGETS) $(XDP_OBJ) $(USER_OBJ) $(COPY_LOADER) $(COPY_STATS)
-	rm -f *.ll
-	rm -f *~
-
-ifdef COPY_LOADER
-$(COPY_LOADER): $(LOADER_DIR)/${COPY_LOADER:=.c} $(COMMON_H)
-	make -C $(LOADER_DIR) $(COPY_LOADER)
-	cp $(LOADER_DIR)/$(COPY_LOADER) $(COPY_LOADER)
-endif
-
-ifdef COPY_STATS
-$(COPY_STATS): $(LOADER_DIR)/${COPY_STATS:=.c} $(COMMON_H)
-	make -C $(LOADER_DIR) $(COPY_STATS)
-	cp $(LOADER_DIR)/$(COPY_STATS) $(COPY_STATS)
-# Needing xdp_stats imply depending on header files:
-EXTRA_DEPS += $(COMMON_DIR)/xdp_stats_kern.h $(COMMON_DIR)/xdp_stats_kern_user.h
-endif
-
-# For build dependency on this file, if it gets updated
-COMMON_MK = $(COMMON_DIR)/common.mk
-
-llvm-check: $(CLANG) $(LLC)
-	@for TOOL in $^ ; do \
-		if [ ! $$(command -v $${TOOL} 2>/dev/null) ]; then \
-			echo "*** ERROR: Cannot find tool $${TOOL}" ;\
-			exit 1; \
-		else true; fi; \
-	done
-
-# Create dependency: detect if C-file change and touch H-file, to trigger
-# target $(COMMON_OBJS)
-$(COMMON_H): %.h: %.c
-	touch $@
-
-# Detect if any of common obj changed and create dependency on .h-files
-$(COMMON_OBJS): %.o: %.h
-	make -C $(COMMON_DIR)
-
-$(USER_TARGETS): %: %.c  Makefile $(COMMON_MK) $(COMMON_OBJS) $(KERN_USER_H) $(EXTRA_DEPS)
-	$(CC) -Wall $(CFLAGS) $(LDFLAGS) -o $@ $(COMMON_OBJS) \
-	 $< $(LIBS)
-
-$(XDP_OBJ): %.o: %.c  Makefile $(COMMON_MK) $(KERN_USER_H) $(EXTRA_DEPS)
-	$(CLANG) -S \
-	    -target bpf \
-	    -D __BPF_TRACING__ \
-	    $(BPF_CFLAGS) \
-	    -Wall \
-	    -Wno-unused-value \
-	    -Wno-pointer-sign \
-	    -Wno-compare-distinct-pointer-types \
-	    -Werror \
-	    -O2 -emit-llvm -c -g -o ${@:.o=.ll} $<
-	$(LLC) -march=bpf -filetype=obj -o $@ ${@:.o=.ll}
-- 
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