sys/netgraph/ng_pppoe.c

61 static MALLOC_DEFINE(M_NETGRAPH_PPPOE, "netgraph_pppoe", "netgraph pppoe node");
70  * pppoe node. These methods define the netgraph pppoe 'type'.
195 /* Netgraph node type descriptor */
229  * Information we store for each hook on each node for negotiating the
274  * Information we store for each node
277 	node_p		node;		/* back pointer to node */
299 static void	pppoe_ticker(node_p node, hook_p hook, void *arg1, int arg2);
441 pppoe_match_svc(node_p node, const struct pppoe_tag *tag)
443 	const priv_p privp = NG_NODE_PRIVATE(node);
478 pppoe_broadcast_padi(node_p node, struct mbuf *m0)
480 	const priv_p privp = NG_NODE_PRIVATE(node);
502 pppoe_find_svc(node_p node, const char *svc_name, int svc_len)
504 	const priv_p privp = NG_NODE_PRIVATE(node);
605 pppoe_finduniq(node_p node, const struct pppoe_tag *tag)
611 	LIST_FOREACH(hook, &node->nd_hooks, hk_hooks) {
630 pppoe_findcookie(node_p node, const struct pppoe_tag *tag)
637 	LIST_FOREACH(hook, &node->nd_hooks, hk_hooks) {
654  * Allocate the private data structure and link it with node.
657 ng_pppoe_constructor(node_p node)
665 	/* Link structs together; this counts as our one reference to *node. */
666 	NG_NODE_SET_PRIVATE(node, privp);
667 	privp->node = node;
679 	CTR3(KTR_NET, "%20s: created node [%x] (%p)",
680 	    __func__, node->nd_ID, node);
695 ng_pppoe_newhook(node_p node, hook_p hook, const char *name)
697 	const priv_p privp = NG_NODE_PRIVATE(node);
719 	CTR5(KTR_NET, "%20s: node [%x] (%p) connected hook %s (%p)",
720 	    __func__, node->nd_ID, node, name, hook);
727  * the underlying Ethernet node.
751 	NG_SEND_MSG_ID(error, privp->node, msg,
753 	    NG_NODE_ID(privp->node));
764 ng_pppoe_rcvmsg(node_p node, item_p item, hook_p lasthook)
766 	priv_p privp = NG_NODE_PRIVATE(node);
776 	CTR5(KTR_NET, "%20s: node [%x] (%p) got message %d with cookie %d",
777 	    __func__, node->nd_ID, node, msg->header.cmd,
793 				    "small\n", node->nd_ID);
801 					    "too big\n", node->nd_ID);
808 					    "too big\n", node->nd_ID);
815 				    "length, %d should be %zd\n", node->nd_ID,
825 			hook = ng_findhook(node, ourmsg->hook);
838 				if (pppoe_find_svc(node, ourmsg->data,
858 					    "active\n", node->nd_ID);
866 				    "active\n", node->nd_ID);
1039 				    "primed\n", node->nd_ID);
1141 				    "mbufs\n", node->nd_ID);
1184 				    "mbufs\n", node->nd_ID);
1244 	NG_RESPOND_MSG(error, node, item, resp);
1258 	node_p	node = NG_HOOK_NODE(hook);
1259 	priv_p	privp = NG_NODE_PRIVATE(node);
1285 	ng_callout(&neg->handle, node, hook, PPPOE_INITIAL_TIMEOUT * hz,
1408 	node_p			node = NG_HOOK_NODE(hook);
1409 	const priv_p		privp = NG_NODE_PRIVATE(node);
1415 	CTR6(KTR_NET, "%20s: node [%x] (%p) received %p on \"%s\" (%p)",
1416 	    __func__, node->nd_ID, node, item, hook->hk_name, hook);
1482 		ng_uncallout(&neg->handle, node);
1527 		ng_callout(&neg->handle, node, hook, PPPOE_OFFER_TIMEOUT * hz,
1555 	node_p			node = NG_HOOK_NODE(hook);
1556 	const priv_p		privp = NG_NODE_PRIVATE(node);
1571 	CTR6(KTR_NET, "%20s: node [%x] (%p) received %p on \"%s\" (%p)",
1572 	    __func__, node->nd_ID, node, item, hook->hk_name, hook);
1584 			    "m_pullup(wh)\n", node->nd_ID);
1605 					    node->nd_ID);
1629 				    "fragmented\n", node->nd_ID);
1658 			sendhook = pppoe_match_svc(node, tag);
1663 				error = pppoe_broadcast_padi(node, m);
1677 				    "unique field\n", node->nd_ID);
1681 			sendhook = pppoe_finduniq(node, utag);
1684 				    "matching session\n", node->nd_ID);
1699 				    "in wrong state\n", node->nd_ID);
1718 			ng_uncallout(&neg->handle, node);
1746 			ng_callout(&neg->handle, node, sp->hook,
1765 			sendhook = pppoe_findcookie(node, utag);
1785 			ng_uncallout(&neg->handle, node);
1844 			sendhook = pppoe_finduniq(node, utag);
1856 			ng_uncallout(&neg->handle, node);
1938 				ng_uncallout(&sp->neg->handle, node);
1963 	node_p		node = NG_HOOK_NODE(hook);
1964 	const priv_p	privp = NG_NODE_PRIVATE(node);
1967 	CTR6(KTR_NET, "%20s: node [%x] (%p) received %p on \"%s\" (%p)",
1968 	    __func__, node->nd_ID, node, item, hook->hk_name, hook);
1981 ng_pppoe_shutdown(node_p node)
1983 	const priv_p privp = NG_NODE_PRIVATE(node);
1988 	NG_NODE_SET_PRIVATE(node, NULL);
1989 	NG_NODE_UNREF(privp->node);
1998  * For this type, removal of the last link destroys the node.
2003 	node_p node = NG_HOOK_NODE(hook);
2004 	priv_p privp = NG_NODE_PRIVATE(node);
2011 		if (NG_NODE_IS_VALID(node))
2012 			ng_rmnode_self(node);
2032 				    "mbufs\n", node->nd_ID);
2077 			ng_uncallout(&sp->neg->handle, node);
2085 	if ((NG_NODE_NUMHOOKS(node) == 0) &&
2086 	    (NG_NODE_IS_VALID(node)))
2087 		ng_rmnode_self(node);
2095 pppoe_ticker(node_p node, hook_p hook, void *arg1, int arg2)
2103 	CTR6(KTR_NET, "%20s: node [%x] (%p) hook \"%s\" (%p) session %d",
2104 	    __func__, node->nd_ID, node, hook->hk_name, hook, sp->Session_ID);
2116 		ng_callout(&neg->handle, node, hook, neg->timeout * hz,
2135 		    node->nd_ID);