netavark network interface

Implement a new network interface for netavark.
For now only bridge networking is supported.
The interface can create/list/inspect/remove networks. For setup and
teardown netavark will be invoked.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/libpod/network/internal/util/ip.go b/libpod/network/internal/util/ip.go
index 7fe35d3d4..ee759fd65 100644
--- a/libpod/network/internal/util/ip.go
+++ b/libpod/network/internal/util/ip.go
@@ -68,3 +68,11 @@ func getRandomIPv6Subnet() (net.IPNet, error) {
 	ip = append(ip, make([]byte, 8)...)
 	return net.IPNet{IP: ip, Mask: net.CIDRMask(64, 128)}, nil
 }
+
+// NormalizeIP will transform the given ip to the 4 byte len ipv4 if possible
+func NormalizeIP(ip *net.IP) {
+	ipv4 := ip.To4()
+	if ipv4 != nil {
+		*ip = ipv4
+	}
+}