1 // SPDX-License-Identifier: GPL-2.0-or-later
26 static int x25_add_route(struct x25_address *address, unsigned int sigdigits,  in x25_add_route()  argument
30 	struct list_head *entry;  in x25_add_route()  local
31 	int rc = -EINVAL;  in x25_add_route()
35 	list_for_each(entry, &x25_route_list) {  in x25_add_route()
36 		rt = list_entry(entry, struct x25_route, node);  in x25_add_route()
38 		if (!memcmp(&rt->address, address, sigdigits) &&  in x25_add_route()
39 		    rt->sigdigits == sigdigits)  in x25_add_route()
44 	rc = -ENOMEM;  in x25_add_route()
48 	strcpy(rt->address.x25_addr, "000000000000000");  in x25_add_route()
49 	memcpy(rt->address.x25_addr, address->x25_addr, sigdigits);  in x25_add_route()
51 	rt->sigdigits = sigdigits;  in x25_add_route()
52 	rt->dev       = dev;  in x25_add_route()
53 	refcount_set(&rt->refcnt, 1);  in x25_add_route()
55 	list_add(&rt->node, &x25_route_list);  in x25_add_route()
63  * __x25_remove_route - remove route from x25_route_list
71 	if (rt->node.next) {  in __x25_remove_route()
72 		list_del(&rt->node);  in __x25_remove_route()
77 static int x25_del_route(struct x25_address *address, unsigned int sigdigits,  in x25_del_route()  argument
81 	struct list_head *entry;  in x25_del_route()  local
82 	int rc = -EINVAL;  in x25_del_route()
86 	list_for_each(entry, &x25_route_list) {  in x25_del_route()
87 		rt = list_entry(entry, struct x25_route, node);  in x25_del_route()
89 		if (!memcmp(&rt->address, address, sigdigits) &&  in x25_del_route()
90 		    rt->sigdigits == sigdigits && rt->dev == dev) {  in x25_del_route()
107 	struct list_head *entry, *tmp;  in x25_route_device_down()  local
111 	list_for_each_safe(entry, tmp, &x25_route_list) {  in x25_route_device_down()
112 		rt = list_entry(entry, struct x25_route, node);  in x25_route_device_down()
114 		if (rt->dev == dev)  in x25_route_device_down()
131 	    (!(dev->flags & IFF_UP) || (dev->type != ARPHRD_X25  in x25_dev_get()
133 					&& dev->type != ARPHRD_ETHER  in x25_dev_get()
144  * 	x25_get_route -	Find a route given an X.25 address.
145  *	@addr: - address to find a route for
147  * 	Find a route given an X.25 address.
152 	struct list_head *entry;  in x25_get_route()  local
156 	list_for_each(entry, &x25_route_list) {  in x25_get_route()
157 		rt = list_entry(entry, struct x25_route, node);  in x25_get_route()
159 		if (!memcmp(&rt->address, addr, rt->sigdigits)) {  in x25_get_route()
162 			else if (rt->sigdigits > use->sigdigits)  in x25_get_route()
181 	int rc = -EINVAL;  in x25_route_ioctl()
186 	rc = -EFAULT;  in x25_route_ioctl()
190 	rc = -EINVAL;  in x25_route_ioctl()
199 		rc = x25_add_route(&rt.address, rt.sigdigits, dev);  in x25_route_ioctl()
201 		rc = x25_del_route(&rt.address, rt.sigdigits, dev);  in x25_route_ioctl()
213 	struct list_head *entry, *tmp;  in x25_route_free()  local
216 	list_for_each_safe(entry, tmp, &x25_route_list) {  in x25_route_free()
217 		rt = list_entry(entry, struct x25_route, node);  in x25_route_free()