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Diffstat (limited to 'tools/testing/selftests/net/nettest.c')
-rw-r--r--tools/testing/selftests/net/nettest.c33
1 files changed, 32 insertions, 1 deletions
diff --git a/tools/testing/selftests/net/nettest.c b/tools/testing/selftests/net/nettest.c
index b599003eb5ba..d9a6fd2cd9d3 100644
--- a/tools/testing/selftests/net/nettest.c
+++ b/tools/testing/selftests/net/nettest.c
@@ -85,6 +85,7 @@ struct sock_args {
int version; /* AF_INET/AF_INET6 */
int use_setsockopt;
+ int use_freebind;
int use_cmsg;
const char *dev;
const char *server_dev;
@@ -514,6 +515,29 @@ static int set_membership(int sd, uint32_t grp, uint32_t addr, int ifindex)
return 0;
}
+static int set_freebind(int sd, int version)
+{
+ unsigned int one = 1;
+ int rc = 0;
+
+ switch (version) {
+ case AF_INET:
+ if (setsockopt(sd, SOL_IP, IP_FREEBIND, &one, sizeof(one))) {
+ log_err_errno("setsockopt(IP_FREEBIND)");
+ rc = -1;
+ }
+ break;
+ case AF_INET6:
+ if (setsockopt(sd, SOL_IPV6, IPV6_FREEBIND, &one, sizeof(one))) {
+ log_err_errno("setsockopt(IPV6_FREEBIND");
+ rc = -1;
+ }
+ break;
+ }
+
+ return rc;
+}
+
static int set_broadcast(int sd)
{
unsigned int one = 1;
@@ -1419,6 +1443,9 @@ static int lsock_init(struct sock_args *args)
set_unicast_if(sd, args->ifindex, args->version))
goto err;
+ if (args->use_freebind && set_freebind(sd, args->version))
+ goto err;
+
if (bind_socket(sd, args))
goto err;
@@ -1827,7 +1854,7 @@ static int ipc_parent(int cpid, int fd, struct sock_args *args)
return client_status;
}
-#define GETOPT_STR "sr:l:c:p:t:g:P:DRn:M:X:m:d:I:BN:O:SCi6xL:0:1:2:3:Fbq"
+#define GETOPT_STR "sr:l:c:p:t:g:P:DRn:M:X:m:d:I:BN:O:SCi6xL:0:1:2:3:Fbqf"
#define OPT_FORCE_BIND_KEY_IFINDEX 1001
#define OPT_NO_BIND_KEY_IFINDEX 1002
@@ -1864,6 +1891,7 @@ static void print_usage(char *prog)
" -I dev bind socket to given device name - server mode\n"
" -S use setsockopt (IP_UNICAST_IF or IP_MULTICAST_IF)\n"
" to set device binding\n"
+ " -f bind socket with the IP[V6]_FREEBIND option\n"
" -C use cmsg and IP_PKTINFO to specify device binding\n"
"\n"
" -L len send random message of given length\n"
@@ -1999,6 +2027,9 @@ int main(int argc, char *argv[])
case 'S':
args.use_setsockopt = 1;
break;
+ case 'f':
+ args.use_freebind = 1;
+ break;
case 'C':
args.use_cmsg = 1;
break;