netdev: netdev_from_minor

kernel-src/include/kernel/net.h

@@ -95,5 +95,6 @@ void ipv4_process(netdev_t *netdev, void *nextbuff);
 int ipv4_addroute(netdev_t *netdev, uint32_t addr, uint32_t gateway, uint32_t mask, int weight);
 int netdev_register(netdev_t *netdev, char *name);
 netdev_t *netdev_getdev(char *name);
+netdev_t *netdev_from_minor(uint16_t minor);
 
 #endif

kernel-src/io/net/netdev.c

@@ -246,6 +246,10 @@ static devops_t devops = {
 	.ioctl = netdev_ioctl
 };
 
+netdev_t *netdev_from_minor(uint16_t minor) {
+	return minors[minor];
+}
+
 int netdev_register(netdev_t *netdev, char *name) {
 	// TODO: better allocation strategy (copy wlan's?)
 	int minor = __atomic_fetch_add(&current_minor, 1, __ATOMIC_RELAXED);