net: lwip: move dns init to common function
move the dns init including setting the dns servers from env vars to a
common function as other commands that support hostname lookups will
need this.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
[jf: add CMD_DNS conditional to support NET_LWIP && !CMD_DNS]
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
diff --git a/include/net-lwip.h b/include/net-lwip.h
index b762956..6b5eb19 100644
--- a/include/net-lwip.h
+++ b/include/net-lwip.h
@@ -17,6 +17,7 @@
int eth_init_state_only(void); /* Set active state */
+int net_lwip_dns_init(void);
int net_lwip_eth_start(void);
struct netif *net_lwip_new_netif(struct udevice *udev);
struct netif *net_lwip_new_netif_noip(struct udevice *udev);