iperf: allow non-ipv6 builds

Add configure argument --disable-ipv6 when ipv6 is deselected.
Add fix-non-ipv6-builds.patch as long there is no new upstream
release.

Signed-off-by: Alexander Couzens <lynxis@fe80.eu>

1 files changed, 22 insertions, 0 deletions

diff --git a/package/network/utils/iperf/patches/0003-fix-non-ipv6-builds.patch b/package/network/utils/iperf/patches/0003-fix-non-ipv6-builds.patch
new file mode 100644
index 0000000000..9d96c1919a
--- /dev/null
+++ b/package/network/utils/iperf/patches/0003-fix-non-ipv6-builds.patch
@@ -0,0 +1,22 @@
+Index: iperf-2.0.12/src/Listener.cpp
+===================================================================
+--- iperf-2.0.12.orig/src/Listener.cpp
++++ iperf-2.0.12/src/Listener.cpp
+@@ -670,6 +670,7 @@ int Listener::L2_setup (void) {
+ 
+     // Now optimize packet flow up the raw socket
+     // Establish the flow BPF to forward up only "connected" packets to this raw socket
++#ifdef HAVE_IPV6
+     if (l->sa_family == AF_INET6) {
+ 	struct in6_addr *v6peer = SockAddr_get_in6_addr(&server->peer);
+ 	struct in6_addr *v6local = SockAddr_get_in6_addr(&server->local);
+@@ -682,6 +683,9 @@ int Listener::L2_setup (void) {
+ 	    WARN_errno( rc == SOCKET_ERROR, "l2 v4in6 connect ip bpf");
+ 	}
+     } else {
++#else
++    {
++#endif
+ 	rc = SockAddr_v4_Connect_BPF(server->mSock, ((struct sockaddr_in *)(l))->sin_addr.s_addr, ((struct sockaddr_in *)(p))->sin_addr.s_addr, ((struct sockaddr_in *)(l))->sin_port, ((struct sockaddr_in *)(p))->sin_port);
+ 	WARN_errno( rc == SOCKET_ERROR, "l2 connect ip bpf");
+     }