Commit 4cda0c82 authored by Jussi Maki's avatar Jussi Maki Committed by Andrii Nakryiko
Browse files

selftests/bpf: Use ping6 only if available in tc_redirect 



In the tc_redirect test only use ping6 if it's available and
otherwise fall back to using "ping -6".

Signed-off-by: default avatarJussi Maki <joamaki@gmail.com>
parent 793eccae

tools/testing/selftests/bpf/prog_tests/tc_redirect.c

+17 −6
Original line number Diff line number Diff line
@@ -13,15 +13,16 @@ 
#define _GNU_SOURCE



#include <arpa/inet.h>

#include <linux/if.h>

#include <linux/if_tun.h>

#include <linux/limits.h>

#include <linux/sysctl.h>

#include <linux/if_tun.h>

#include <linux/if.h>

#include <sched.h>

#include <stdbool.h>

#include <stdio.h>

#include <sys/stat.h>

#include <sys/mount.h>

#include <sys/stat.h>

#include <unistd.h>



#include "test_progs.h"

#include "network_helpers.h"
@@ -389,11 +390,21 @@ static void test_tcp(int family, const char *addr, __u16 port) 
		close(client_fd);

}



static int test_ping(int family, const char *addr)

static char *ping_command(int family)

{

	const char *ping = family == AF_INET6 ? "ping6" : "ping";

	if (family == AF_INET6) {

		/* On some systems 'ping' doesn't support IPv6, so use ping6 if it is present. */

		if (!system("which ping6 >/dev/null 2>&1"))

			return "ping6";

		else

			return "ping -6";

	}

	return "ping";

}



	SYS("ip netns exec " NS_SRC " %s " PING_ARGS " %s > /dev/null", ping, addr);

static int test_ping(int family, const char *addr)

{

	SYS("ip netns exec " NS_SRC " %s " PING_ARGS " %s > /dev/null", ping_command(family), addr);

	return 0;

fail:

	return -1;