5  * SPDX-License-Identifier: Apache-2.0
36 	k_mutex_lock(&ctx->lock, K_FOREVER);  in lock_bridge()
41 	k_mutex_unlock(&ctx->lock);  in unlock_bridge()
64 	ctx = net_if_get_device(iface)->data;  in iface_cb()
66 	br_user_data->cb(ctx, br_user_data->user_data);  in iface_cb()
91 	struct eth_bridge_iface_context *ctx = net_if_get_device(br)->data;  in eth_bridge_iface_add()
99 		return -EINVAL;  in eth_bridge_iface_add()
104 		return -EINVAL;  in eth_bridge_iface_add()
109 	if (eth_ctx->bridge == br) {  in eth_bridge_iface_add()
114 	ARRAY_FOR_EACH(ctx->eth_iface, i) {  in eth_bridge_iface_add()
115 		if (!found && ctx->eth_iface[i] == NULL) {  in eth_bridge_iface_add()
116 			ctx->eth_iface[i] = iface;  in eth_bridge_iface_add()
117 			eth_ctx->bridge = br;  in eth_bridge_iface_add()
122 		if (ctx->eth_iface[i] != NULL) {  in eth_bridge_iface_add()
123 			struct ethernet_context *tmp = net_if_l2_data(ctx->eth_iface[i]);  in eth_bridge_iface_add()
125 			if (tmp->bridge == br) {  in eth_bridge_iface_add()
134 		return -ENOMEM;  in eth_bridge_iface_add()
138 	if (ret != 0 && ret != -EALREADY) {  in eth_bridge_iface_add()
139 		/* Ignore any errors when using native-sim driver,  in eth_bridge_iface_add()
140 		 * we do not need host promiscuous working when testing  in eth_bridge_iface_add()
141 		 * bridging using native-sim.  in eth_bridge_iface_add()
144 			NET_DBG("iface %d promiscuous mode failed: %d",  in eth_bridge_iface_add()
155 		ctx->is_setup = true;  in eth_bridge_iface_add()
157 		NET_INFO("Bridge %d is %ssetup", net_if_get_by_iface(eth_ctx->bridge), "");  in eth_bridge_iface_add()
159 		net_virtual_set_name(ctx->iface, "<config ok>");  in eth_bridge_iface_add()
162 	ctx->count = count;  in eth_bridge_iface_add()
169 	struct eth_bridge_iface_context *ctx = net_if_get_device(br)->data;  in eth_bridge_iface_remove()
175 		return -EINVAL;  in eth_bridge_iface_remove()
180 		return -EINVAL;  in eth_bridge_iface_remove()
185 	ARRAY_FOR_EACH(ctx->eth_iface, i) {  in eth_bridge_iface_remove()
186 		if (!found && ctx->eth_iface[i] == iface) {  in eth_bridge_iface_remove()
187 			ctx->eth_iface[i] = NULL;  in eth_bridge_iface_remove()
188 			eth_ctx->bridge = NULL;  in eth_bridge_iface_remove()
193 		if (ctx->eth_iface[i] != NULL) {  in eth_bridge_iface_remove()
194 			struct ethernet_context *tmp = net_if_l2_data(ctx->eth_iface[i]);  in eth_bridge_iface_remove()
196 			if (tmp->bridge == br) {  in eth_bridge_iface_remove()
208 		ctx->is_setup = false;  in eth_bridge_iface_remove()
212 		net_virtual_set_name(ctx->iface, "<no config>");  in eth_bridge_iface_remove()
215 	ctx->count = count;  in eth_bridge_iface_remove()
222 	if (addr->addr[0] == 0x01 &&  in is_link_local_addr()
223 	    addr->addr[1] == 0x80 &&  in is_link_local_addr()
224 	    addr->addr[2] == 0xc2 &&  in is_link_local_addr()
225 	    addr->addr[3] == 0x00 &&  in is_link_local_addr()
226 	    addr->addr[4] == 0x00 &&  in is_link_local_addr()
227 	    (addr->addr[5] & 0x0f) == 0x00) {  in is_link_local_addr()
241 	struct eth_bridge_iface_context *ctx = net_if_get_device(iface)->data;  in bridge_iface_init()
245 	if (ctx->is_init) {  in bridge_iface_init()
249 	k_mutex_init(&ctx->lock);  in bridge_iface_init()
251 	ctx->iface = iface;  in bridge_iface_init()
260 	snprintk(name, sizeof(name), "bridge%d", ctx->id);  in bridge_iface_init()
269 	random_linkaddr(vctx->lladdr.addr, sizeof(vctx->lladdr.addr));  in bridge_iface_init()
271 	vctx->lladdr.len = sizeof(vctx->lladdr.addr);  in bridge_iface_init()
272 	vctx->lladdr.type = NET_LINK_UNKNOWN;  in bridge_iface_init()
274 	net_if_set_link_addr(iface, vctx->lladdr.addr,  in bridge_iface_init()
275 			     vctx->lladdr.len, vctx->lladdr.type);  in bridge_iface_init()
277 	ctx->is_init = true;  in bridge_iface_init()
278 	ctx->is_setup = false;  in bridge_iface_init()
290 	struct eth_bridge_iface_context *ctx = dev->data;  in bridge_iface_start()
292 	if (!ctx->is_setup) {  in bridge_iface_start()
294 			net_if_get_by_iface(ctx->iface));  in bridge_iface_start()
295 		return -ENOENT;  in bridge_iface_start()
298 	if (ctx->status) {  in bridge_iface_start()
299 		return -EALREADY;  in bridge_iface_start()
302 	ctx->status = true;  in bridge_iface_start()
304 	NET_DBG("Starting iface %d", net_if_get_by_iface(ctx->iface));  in bridge_iface_start()
306 	NET_INFO("Bridge %d is %sactive", net_if_get_by_iface(ctx->iface), "");  in bridge_iface_start()
308 	net_virtual_set_name(ctx->iface, "<enabled>");  in bridge_iface_start()
315 	struct eth_bridge_iface_context *ctx = dev->data;  in bridge_iface_stop()
317 	if (!ctx->status) {  in bridge_iface_stop()
318 		return -EALREADY;  in bridge_iface_stop()
321 	ctx->status = false;  in bridge_iface_stop()
323 	NET_DBG("Stopping iface %d", net_if_get_by_iface(ctx->iface));  in bridge_iface_stop()
325 	NET_INFO("Bridge %d is %sactive", net_if_get_by_iface(ctx->iface), "not ");  in bridge_iface_stop()
327 	if (ctx->is_setup) {  in bridge_iface_stop()
328 		net_virtual_set_name(ctx->iface, "<disabled>");  in bridge_iface_stop()
330 		net_virtual_set_name(ctx->iface, "<no config>");  in bridge_iface_stop()
340 	struct eth_bridge_iface_context *ctx = net_if_get_device(iface)->data;  in bridge_iface_process()
345 	/* Drop all link-local packets for now. */  in bridge_iface_process()
358 	count = ctx->count;  in bridge_iface_process()
363 	ARRAY_FOR_EACH(ctx->eth_iface, i) {  in bridge_iface_process()
364 		if (ctx->eth_iface[i] != NULL && ctx->eth_iface[i] != orig_iface) {  in bridge_iface_process()
366 			if (!net_if_flag_is_set(ctx->eth_iface[i], NET_IF_UP)) {  in bridge_iface_process()
386 			net_pkt_set_iface(send_pkt, ctx->eth_iface[i]);  in bridge_iface_process()
387 			net_if_queue_tx(ctx->eth_iface[i], send_pkt);  in bridge_iface_process()
391 				net_if_get_by_iface(ctx->eth_iface[i]),  in bridge_iface_process()
392 				send_pkt, (int)atomic_get(&send_pkt->atomic_ref));  in bridge_iface_process()
441  * So we return -ENOTSUP here so that the attachment fails if it is tried.
449 	return -ENOTSUP;  in bridge_iface_attach()