21 static int dev_ifname(struct net *net, struct ifreq *ifr)  in dev_ifname()  argument
23 	ifr->ifr_name[IFNAMSIZ-1] = 0;  in dev_ifname()
24 	return netdev_get_name(net, ifr->ifr_name, ifr->ifr_ifindex);  in dev_ifname()
103 static int dev_ifsioc_locked(struct net *net, struct ifreq *ifr, unsigned int cmd)  in dev_ifsioc_locked()  argument
106 	struct net_device *dev = dev_get_by_name_rcu(net, ifr->ifr_name);  in dev_ifsioc_locked()
113 		ifr->ifr_flags = (short) dev_get_flags(dev);  in dev_ifsioc_locked()
118 		ifr->ifr_metric = 0;  in dev_ifsioc_locked()
122 		ifr->ifr_mtu = dev->mtu;  in dev_ifsioc_locked()
127 			memset(ifr->ifr_hwaddr.sa_data, 0,  in dev_ifsioc_locked()
128 			       sizeof(ifr->ifr_hwaddr.sa_data));  in dev_ifsioc_locked()
130 			memcpy(ifr->ifr_hwaddr.sa_data, dev->dev_addr,  in dev_ifsioc_locked()
131 			       min(sizeof(ifr->ifr_hwaddr.sa_data),  in dev_ifsioc_locked()
133 		ifr->ifr_hwaddr.sa_family = dev->type;  in dev_ifsioc_locked()
141 		ifr->ifr_map.mem_start = dev->mem_start;  in dev_ifsioc_locked()
142 		ifr->ifr_map.mem_end   = dev->mem_end;  in dev_ifsioc_locked()
143 		ifr->ifr_map.base_addr = dev->base_addr;  in dev_ifsioc_locked()
144 		ifr->ifr_map.irq       = dev->irq;  in dev_ifsioc_locked()
145 		ifr->ifr_map.dma       = dev->dma;  in dev_ifsioc_locked()
146 		ifr->ifr_map.port      = dev->if_port;  in dev_ifsioc_locked()
150 		ifr->ifr_ifindex = dev->ifindex;  in dev_ifsioc_locked()
154 		ifr->ifr_qlen = dev->tx_queue_len;  in dev_ifsioc_locked()
169 static int net_hwtstamp_validate(struct ifreq *ifr)  in net_hwtstamp_validate()  argument
177 	if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg)))  in net_hwtstamp_validate()
224 static int dev_ifsioc(struct net *net, struct ifreq *ifr, unsigned int cmd)  in dev_ifsioc()  argument
227 	struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name);  in dev_ifsioc()
237 		return dev_change_flags(dev, ifr->ifr_flags);  in dev_ifsioc()
244 		return dev_set_mtu(dev, ifr->ifr_mtu);  in dev_ifsioc()
249 		return dev_set_mac_address(dev, &ifr->ifr_hwaddr);  in dev_ifsioc()
252 		if (ifr->ifr_hwaddr.sa_family != dev->type)  in dev_ifsioc()
254 		memcpy(dev->broadcast, ifr->ifr_hwaddr.sa_data,  in dev_ifsioc()
255 		       min(sizeof(ifr->ifr_hwaddr.sa_data),  in dev_ifsioc()
264 			return ops->ndo_set_config(dev, &ifr->ifr_map);  in dev_ifsioc()
270 		    ifr->ifr_hwaddr.sa_family != AF_UNSPEC)  in dev_ifsioc()
274 		return dev_mc_add_global(dev, ifr->ifr_hwaddr.sa_data);  in dev_ifsioc()
278 		    ifr->ifr_hwaddr.sa_family != AF_UNSPEC)  in dev_ifsioc()
282 		return dev_mc_del_global(dev, ifr->ifr_hwaddr.sa_data);  in dev_ifsioc()
285 		if (ifr->ifr_qlen < 0)  in dev_ifsioc()
287 		return dev_change_tx_queue_len(dev, ifr->ifr_qlen);  in dev_ifsioc()
290 		ifr->ifr_newname[IFNAMSIZ-1] = '\0';  in dev_ifsioc()
291 		return dev_change_name(dev, ifr->ifr_newname);  in dev_ifsioc()
294 		err = net_hwtstamp_validate(ifr);  in dev_ifsioc()
322 					err = ops->ndo_do_ioctl(dev, ifr, cmd);  in dev_ifsioc()
377 int dev_ioctl(struct net *net, unsigned int cmd, struct ifreq *ifr, bool *need_copyout)  in dev_ioctl()  argument
385 		return dev_ifname(net, ifr);  in dev_ioctl()
387 	ifr->ifr_name[IFNAMSIZ-1] = 0;  in dev_ioctl()
389 	colon = strchr(ifr->ifr_name, ':');  in dev_ioctl()
412 		dev_load(net, ifr->ifr_name);  in dev_ioctl()
414 		ret = dev_ifsioc_locked(net, ifr, cmd);  in dev_ioctl()
421 		dev_load(net, ifr->ifr_name);  in dev_ioctl()
423 		ret = dev_ethtool(net, ifr);  in dev_ioctl()
438 		dev_load(net, ifr->ifr_name);  in dev_ioctl()
442 		ret = dev_ifsioc(net, ifr, cmd);  in dev_ioctl()
486 		dev_load(net, ifr->ifr_name);  in dev_ioctl()
488 		ret = dev_ifsioc(net, ifr, cmd);  in dev_ioctl()
511 			dev_load(net, ifr->ifr_name);  in dev_ioctl()
513 			ret = dev_ifsioc(net, ifr, cmd);  in dev_ioctl()