T5286: drop XDP support for ethernet and bonding interfaces

... this is a step towards a new and better implementation that will utilize
VPP.

1 files changed, 0 insertions, 165 deletions

diff --git a/src/xdp/utils/xdp_loader.c b/src/xdp/utils/xdp_loader.c
deleted file mode 100644
index d3b05d0c0..000000000
--- a/src/xdp/utils/xdp_loader.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-static const char *__doc__ = "XDP loader\n"
-	" - Allows selecting BPF section --progsec name to XDP-attach to --dev\n";
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <getopt.h>
-
-#include <locale.h>
-#include <unistd.h>
-#include <time.h>
-
-#include <bpf/bpf.h>
-#include <bpf/libbpf.h>
-
-#include <net/if.h>
-#include <linux/if_link.h> /* depend on kernel-headers installed */
-
-#include "../common/common_params.h"
-#include "../common/common_user_bpf_xdp.h"
-#include "../common/common_libbpf.h"
-
-static const char *default_filename = "xdp_prog_kern.o";
-
-static const struct option_wrapper long_options[] = {
-
-	{{"help",        no_argument,		NULL, 'h' },
-	 "Show help", false},
-
-	{{"dev",         required_argument,	NULL, 'd' },
-	 "Operate on device <ifname>", "<ifname>", true},
-
-	{{"skb-mode",    no_argument,		NULL, 'S' },
-	 "Install XDP program in SKB (AKA generic) mode"},
-
-	{{"native-mode", no_argument,		NULL, 'N' },
-	 "Install XDP program in native mode"},
-
-	{{"auto-mode",   no_argument,		NULL, 'A' },
-	 "Auto-detect SKB or native mode"},
-
-	{{"force",       no_argument,		NULL, 'F' },
-	 "Force install, replacing existing program on interface"},
-
-	{{"unload",      no_argument,		NULL, 'U' },
-	 "Unload XDP program instead of loading"},
-
-	{{"reuse-maps",  no_argument,		NULL, 'M' },
-	 "Reuse pinned maps"},
-
-	{{"quiet",       no_argument,		NULL, 'q' },
-	 "Quiet mode (no output)"},
-
-	{{"filename",    required_argument,	NULL,  1  },
-	 "Load program from <file>", "<file>"},
-
-	{{"progsec",    required_argument,	NULL,  2  },
-	 "Load program in <section> of the ELF file", "<section>"},
-
-	{{0, 0, NULL,  0 }, NULL, false}
-};
-
-#ifndef PATH_MAX
-#define PATH_MAX	4096
-#endif
-
-const char *pin_basedir =  "/sys/fs/bpf";
-const char *map_name    =  "xdp_stats_map";
-
-/* Pinning maps under /sys/fs/bpf in subdir */
-int pin_maps_in_bpf_object(struct bpf_object *bpf_obj, struct config *cfg)
-{
-	char map_filename[PATH_MAX];
-	int err, len;
-
-	len = snprintf(map_filename, PATH_MAX, "%s/%s/%s",
-		       pin_basedir, cfg->ifname, map_name);
-	if (len < 0) {
-		fprintf(stderr, "ERR: creating map_name\n");
-		return EXIT_FAIL_OPTION;
-	}
-
-	/* Existing/previous XDP prog might not have cleaned up */
-	if (access(map_filename, F_OK ) != -1 ) {
-		if (verbose)
-			printf(" - Unpinning (remove) prev maps in %s/\n",
-			       cfg->pin_dir);
-
-		/* Basically calls unlink(3) on map_filename */
-		err = bpf_object__unpin_maps(bpf_obj, cfg->pin_dir);
-		if (err) {
-			fprintf(stderr, "ERR: UNpinning maps in %s\n", cfg->pin_dir);
-			return EXIT_FAIL_BPF;
-		}
-	}
-	if (verbose)
-		printf(" - Pinning maps in %s/\n", cfg->pin_dir);
-
-	/* This will pin all maps in our bpf_object */
-	err = bpf_object__pin_maps(bpf_obj, cfg->pin_dir);
-	if (err)
-		return EXIT_FAIL_BPF;
-
-	return 0;
-}
-
-int main(int argc, char **argv)
-{
-	struct bpf_object *bpf_obj;
-	int err, len;
-
-	struct config cfg = {
-		.xdp_flags = XDP_FLAGS_UPDATE_IF_NOEXIST | XDP_FLAGS_DRV_MODE,
-		.ifindex   = -1,
-		.do_unload = false,
-	};
-	/* Set default BPF-ELF object file and BPF program name */
-	strncpy(cfg.filename, default_filename, sizeof(cfg.filename));
-	/* Cmdline options can change progsec */
-	parse_cmdline_args(argc, argv, long_options, &cfg, __doc__);
-
-	/* Required option */
-	if (cfg.ifindex == -1) {
-		fprintf(stderr, "ERR: required option --dev missing\n\n");
-		usage(argv[0], __doc__, long_options, (argc == 1));
-		return EXIT_FAIL_OPTION;
-	}
-	if (cfg.do_unload) {
-		if (!cfg.reuse_maps) {
-		/* TODO: Miss unpin of maps on unload */
-		}
-		return xdp_link_detach(cfg.ifindex, cfg.xdp_flags, 0);
-	}
-
-	len = snprintf(cfg.pin_dir, PATH_MAX, "%s/%s", pin_basedir, cfg.ifname);
-	if (len < 0) {
-		fprintf(stderr, "ERR: creating pin dirname\n");
-		return EXIT_FAIL_OPTION;
-	}
-
-
-	bpf_obj = load_bpf_and_xdp_attach(&cfg);
-	if (!bpf_obj)
-		return EXIT_FAIL_BPF;
-
-	if (verbose) {
-		printf("Success: Loaded BPF-object(%s) and used section(%s)\n",
-		       cfg.filename, cfg.progsec);
-		printf(" - XDP prog attached on device:%s(ifindex:%d)\n",
-		       cfg.ifname, cfg.ifindex);
-	}
-
-	/* Use the --dev name as subdir for exporting/pinning maps */
-	if (!cfg.reuse_maps) {
-		err = pin_maps_in_bpf_object(bpf_obj, &cfg);
-		if (err) {
-			fprintf(stderr, "ERR: pinning maps\n");
-			return err;
-		}
-	}
-
-	return EXIT_OK;
-}