Function ng_pptpgre_find_session

freebsd/netgraph/ng_pptpgre.c:1217–1229

* Find the hook with a given session ID. */

 * Find the hook with a given session ID.
 */
static hpriv_p
ng_pptpgre_find_session(priv_p privp, u_int16_t cid)
{
	uint16_t	hash = SESSHASH(cid);
	hpriv_p	hpriv = NULL;

	LIST_FOREACH(hpriv, &privp->sesshash[hash], sessions) {
		if (hpriv->conf.cid == cid)
			break;
	}

	return (hpriv);
}

/*
 * Reset state (must be called with lock held or from writer)