dev_set_mtu_ext 3673 include/linux/netdevice.h int dev_set_mtu_ext(struct net_device *dev, int mtu, dev_set_mtu_ext 8042 net/core/dev.c err = dev_set_mtu_ext(dev, new_mtu, &extack); dev_set_mtu_ext 2482 net/core/rtnetlink.c err = dev_set_mtu_ext(dev, nla_get_u32(tb[IFLA_MTU]), extack);