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, 182 deletions

diff --git a/src/xdp/xdp_prog_user.c b/src/xdp/xdp_prog_user.c
deleted file mode 100644
index c47d2977d..000000000
--- a/src/xdp/xdp_prog_user.c
+++ /dev/null
@@ -1,182 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-
-static const char *__doc__ = "XDP redirect helper\n"
-	" - Allows to populate/query tx_port and redirect_params maps\n";
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <getopt.h>
-#include <stdbool.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_ether.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"
-
-#include "common/xdp_stats_kern_user.h"
-
-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},
-
-	{{"redirect-dev",         required_argument,	NULL, 'r' },
-	 "Redirect to device <ifname>", "<ifname>", true},
-
-	{{"src-mac", required_argument, NULL, 'L' },
-	 "Source MAC address of <dev>", "<mac>", true },
-
-	{{"dest-mac", required_argument, NULL, 'R' },
-	 "Destination MAC address of <redirect-dev>", "<mac>", true },
-
-	{{"quiet",       no_argument,		NULL, 'q' },
-	 "Quiet mode (no output)"},
-
-	{{0, 0, NULL,  0 }, NULL, false}
-};
-
-static int parse_u8(char *str, unsigned char *x)
-{
-	unsigned long z;
-
-	z = strtoul(str, 0, 16);
-	if (z > 0xff)
-		return -1;
-
-	if (x)
-		*x = z;
-
-	return 0;
-}
-
-static int parse_mac(char *str, unsigned char mac[ETH_ALEN])
-{
-	if (parse_u8(str, &mac[0]) < 0)
-		return -1;
-	if (parse_u8(str + 3, &mac[1]) < 0)
-		return -1;
-	if (parse_u8(str + 6, &mac[2]) < 0)
-		return -1;
-	if (parse_u8(str + 9, &mac[3]) < 0)
-		return -1;
-	if (parse_u8(str + 12, &mac[4]) < 0)
-		return -1;
-	if (parse_u8(str + 15, &mac[5]) < 0)
-		return -1;
-
-	return 0;
-}
-
-static int write_iface_params(int map_fd, unsigned char *src, unsigned char *dest)
-{
-	if (bpf_map_update_elem(map_fd, src, dest, 0) < 0) {
-		fprintf(stderr,
-			"WARN: Failed to update bpf map file: err(%d):%s\n",
-			errno, strerror(errno));
-		return -1;
-	}
-
-	printf("forward: %02x:%02x:%02x:%02x:%02x:%02x -> %02x:%02x:%02x:%02x:%02x:%02x\n",
-			src[0], src[1], src[2], src[3], src[4], src[5],
-			dest[0], dest[1], dest[2], dest[3], dest[4], dest[5]
-	      );
-
-	return 0;
-}
-
-#ifndef PATH_MAX
-#define PATH_MAX 4096
-#endif
-
-const char *pin_basedir =  "/sys/fs/bpf";
-
-int main(int argc, char **argv)
-{
-	int i;
-	int len;
-	int map_fd;
-	bool redirect_map;
-	char pin_dir[PATH_MAX];
-	unsigned char src[ETH_ALEN];
-	unsigned char dest[ETH_ALEN];
-
-	struct config cfg = {
-		.ifindex   = -1,
-		.redirect_ifindex   = -1,
-	};
-
-	/* Cmdline options can change progsec */
-	parse_cmdline_args(argc, argv, long_options, &cfg, __doc__);
-
-	redirect_map = (cfg.ifindex > 0) && (cfg.redirect_ifindex > 0);
-
-	if (cfg.redirect_ifindex > 0 && cfg.ifindex == -1) {
-		fprintf(stderr, "ERR: required option --dev missing\n\n");
-		usage(argv[0], __doc__, long_options, (argc == 1));
-		return EXIT_FAIL_OPTION;
-	}
-
-	len = snprintf(pin_dir, PATH_MAX, "%s/%s", pin_basedir, cfg.ifname);
-	if (len < 0) {
-		fprintf(stderr, "ERR: creating pin dirname\n");
-		return EXIT_FAIL_OPTION;
-	}
-
-	if (parse_mac(cfg.src_mac, src) < 0) {
-		fprintf(stderr, "ERR: can't parse mac address %s\n", cfg.src_mac);
-		return EXIT_FAIL_OPTION;
-	}
-
-	if (parse_mac(cfg.dest_mac, dest) < 0) {
-		fprintf(stderr, "ERR: can't parse mac address %s\n", cfg.dest_mac);
-		return EXIT_FAIL_OPTION;
-	}
-
-	/* Open the tx_port map corresponding to the cfg.ifname interface */
-	map_fd = open_bpf_map_file(pin_dir, "tx_port", NULL);
-	if (map_fd < 0) {
-		return EXIT_FAIL_BPF;
-	}
-
-	printf("map dir: %s\n", pin_dir);
-
-	if (redirect_map) {
-		/* setup a virtual port for the static redirect */
-		i = 0;
-		bpf_map_update_elem(map_fd, &i, &cfg.redirect_ifindex, 0);
-		printf("redirect from ifnum=%d to ifnum=%d\n", cfg.ifindex, cfg.redirect_ifindex);
-
-		/* Open the redirect_params map */
-		map_fd = open_bpf_map_file(pin_dir, "redirect_params", NULL);
-		if (map_fd < 0) {
-			return EXIT_FAIL_BPF;
-		}
-
-		/* Setup the mapping containing MAC addresses */
-		if (write_iface_params(map_fd, src, dest) < 0) {
-			fprintf(stderr, "can't write iface params\n");
-			return 1;
-		}
-	} else {
-		/* setup 1-1 mapping for the dynamic router */
-		for (i = 1; i < 256; ++i)
-			bpf_map_update_elem(map_fd, &i, &i, 0);
-	}
-
-	return EXIT_OK;
-}