1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (c) 2010-2011 Monthadar Al Jaberi, TerraNet AB
14  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
18  * NO WARRANTY
22  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
96 	plugin->wp_sdev = make_dev(&vis_cdevsw,0,UID_ROOT,GID_WHEEL,0600,  in visibility_init()
98 	plugin->wp_sdev->si_drv1 = vis_plugin;  in visibility_init()
99 	mtx_init(&vis_plugin->pl_mtx, "visibility_plugin mtx",  in visibility_init()
110 	destroy_dev(plugin->wp_sdev);  in visibility_deinit()
111 	mtx_destroy(&vis_plugin->pl_mtx);  in visibility_deinit()
116 /* We need to use a mutex lock when we read out a visibility map
117  * and when we change visibility map from user space through IOCTL
124 	struct wtap_hal *hal = (struct wtap_hal *)vis_plugin->base.wp_hal;  in visibility_work()
125 	struct vis_map *map;  in visibility_work()  local
127 	KASSERT(mtod(p->m, const char *) != (const char *) 0xdeadc0de ||  in visibility_work()
128 	    mtod(p->m, const char *) != NULL,  in visibility_work()
129 	    ("[%s] got a corrupt packet from master queue, p->m=%p, p->id=%d\n",  in visibility_work()
130 	    __func__, p->m, p->id));  in visibility_work()
131 	DWTAP_PRINTF("[%d] BROADCASTING m=%p\n", p->id, p->m);  in visibility_work()
132 	mtx_lock(&vis_plugin->pl_mtx);  in visibility_work()
133 	map = &vis_plugin->pl_node[p->id];  in visibility_work()
134 	mtx_unlock(&vis_plugin->pl_mtx);  in visibility_work()
142 		uint32_t index = map->map[i];  in visibility_work()
147 				if(hal->hal_devs[k] != NULL  in visibility_work()
148 				    && hal->hal_devs[k]->up == 1){  in visibility_work()
150 					    hal->hal_devs[k];  in visibility_work()
152 					    m_dup(p->m, M_NOWAIT);  in visibility_work()
154 					    "to new_m=%p\n", p->id, p->m, m);  in visibility_work()
157 					    p->id, k);  in visibility_work()
171 	mtx_lock(&vis_plugin->pl_mtx);  in add_link()
172 	struct vis_map *map = &vis_plugin->pl_node[l->id1];  in add_link()  local
173 	int index = l->id2/ARRAY_SIZE;  in add_link()
174 	int bit = l->id2 % ARRAY_SIZE;  in add_link()
176 	map->map[index] = map->map[index] | value;  in add_link()
177 	mtx_unlock(&vis_plugin->pl_mtx);  in add_link()
179 	printf("l->id1=%d, l->id2=%d, map->map[%d] = %u, bit=%d\n",  in add_link()
180 	    l->id1, l->id2, index, map->map[index], bit);  in add_link()
188 	mtx_lock(&vis_plugin->pl_mtx);  in del_link()
189 	struct vis_map *map = &vis_plugin->pl_node[l->id1];  in del_link()  local
190 	int index = l->id2/ARRAY_SIZE;  in del_link()
191 	int bit = l->id2 % ARRAY_SIZE;  in del_link()
193 	map->map[index] = map->map[index] & ~value;  in del_link()
194 	mtx_unlock(&vis_plugin->pl_mtx);  in del_link()
196 	printf("map->map[index] = %u\n", map->map[index]);  in del_link()
205 	    (struct visibility_plugin *) sdev->si_drv1;  in vis_ioctl()
206 	struct wtap_hal *hal = vis_plugin->base.wp_hal;  in vis_ioctl()
211 	CURVNET_SET(CRED_TO_VNET(curthread->td_ucred));  in vis_ioctl()
216 			medium_close(hal->hal_md);  in vis_ioctl()
218 			medium_open(hal->hal_md);  in vis_ioctl()