Re: [PATCH net-next 11/19] net: usb: aqc111: Add support for changing MTU
From: Andrew Lunn <andrew@lunn.ch>
Date: 2018-10-06 16:56:03
Also in:
linux-usb
+static int aqc111_change_mtu(struct net_device *net, int new_mtu)
+{
+ struct usbnet *dev = netdev_priv(net);
+ u16 reg16 = 0;
+ u8 buf[5];
+
+ if (new_mtu <= 0 || new_mtu > 16334) {
+ netdev_info(net, "Invalid MTU %d requested, hw max 16334",
+ new_mtu);
+ return -EINVAL;
+ }Please set net->min_mtu, and net->max_mtu, and the core should do this checking for you. See dev_set_mtu_ext(). Andrew