sys/net80211/ieee80211_mesh.c

1838 	uint8_t *frm, *efrm;
1841 	frm = (uint8_t *)&wh[1];
2003 		while (efrm - frm > 1) {
2004 			IEEE80211_VERIFY_LENGTH(efrm - frm, frm[1] + 2, return);
2005 			switch (*frm) {
2007 				ssid = frm;
2010 				rates = frm;
2013 				xrates = frm;
2016 				meshid = frm;
2019 			frm += frm[1] + 2;
2064 				(void)ic->ic_recv_action(ni, wh, frm, efrm);
2107 	const uint8_t *frm, const uint8_t *efrm,
2117 	while (efrm - frm > 1) {
2118 		IEEE80211_VERIFY_LENGTH(efrm - frm, frm[1] + 2, return NULL);
2119 		switch (*frm) {
2121 			meshid = frm;
2124 			meshconf = frm;
2127 			mpie = (const struct ieee80211_meshpeer_ie *) frm;
2154 		frm += frm[1] + 2;
2236 	const uint8_t *frm, const uint8_t *efrm)
2245 	meshpeer = mesh_parse_meshpeering_action(ni, wh, frm+2+2, efrm, &ie,
2384 	const uint8_t *frm, const uint8_t *efrm)
2392 	meshpeer = mesh_parse_meshpeering_action(ni, wh, frm+2+2+2+2, efrm, &ie,
2448 	const uint8_t *frm, const uint8_t *efrm)
2455 	meshpeer = mesh_parse_meshpeering_action(ni, wh, frm+2, efrm, &ie,
2502 	const uint8_t *frm, const uint8_t *efrm)
2506 	    (frm+2); /* action + code */
2528     struct ieee80211_meshgann_ie *ie, const uint8_t *frm, const uint8_t *efrm)
2533 	while (efrm - frm > 1) {
2534 		IEEE80211_VERIFY_LENGTH(efrm - frm, frm[1] + 2, return -1);
2535 		switch (*frm) {
2537 			gannie = (const struct ieee80211_meshgann_ie *) frm;
2549 		frm += frm[1] + 2;
2561 	const uint8_t *frm, const uint8_t *efrm)
2572 	if (mesh_parse_meshgate_action(ni, wh, &ie, frm+2, efrm) != 0) {
2696 #define	ADDSHORT(frm, v) do {			\
2697 	frm[0] = (v) & 0xff;			\
2698 	frm[1] = (v) >> 8;			\
2699 	frm += 2;				\
2701 #define	ADDWORD(frm, v) do {			\
2702 	frm[0] = (v) & 0xff;			\
2703 	frm[1] = ((v) >> 8) & 0xff;		\
2704 	frm[2] = ((v) >> 16) & 0xff;		\
2705 	frm[3] = ((v) >> 24) & 0xff;		\
2706 	frm += 4;				\
2718 	uint8_t *frm;
2728 	m = ieee80211_getmgtframe(&frm,
2750 		*frm++ = category;
2751 		*frm++ = action;
2752 		ADDSHORT(frm, ieee80211_getcapinfo(vap, ni->ni_chan));
2754 		frm = ieee80211_add_rates(frm, rs);
2755 		frm = ieee80211_add_xrates(frm, rs);
2756 		frm = ieee80211_add_meshid(frm, vap);
2757 		frm = ieee80211_add_meshconf(frm, vap);
2758 		frm = ieee80211_add_meshpeer(frm, IEEE80211_ACTION_MESHPEERING_OPEN,
2760 		m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *);
2778 	uint8_t *frm;
2789 	m = ieee80211_getmgtframe(&frm,
2815 		*frm++ = category;
2816 		*frm++ = action;
2817 		ADDSHORT(frm, ieee80211_getcapinfo(vap, ni->ni_chan));
2818 		ADDSHORT(frm, 0);		/* status code */
2819 		ADDSHORT(frm, args[1]);		/* AID */
2821 		frm = ieee80211_add_rates(frm, rs);
2822 		frm = ieee80211_add_xrates(frm, rs);
2823 		frm = ieee80211_add_meshid(frm, vap);
2824 		frm = ieee80211_add_meshconf(frm, vap);
2825 		frm = ieee80211_add_meshpeer(frm,
2828 		m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *);
2845 	uint8_t *frm;
2856 	m = ieee80211_getmgtframe(&frm,
2871 		*frm++ = category;
2872 		*frm++ = action;
2873 		frm = ieee80211_add_meshid(frm, vap);
2874 		frm = ieee80211_add_meshpeer(frm,
2877 		m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *);
2894 	uint8_t *frm;
2909 	m = ieee80211_getmgtframe(&frm,
2921 		*frm++ = category;
2922 		*frm++ = action;
2923 		frm = ieee80211_add_meshlmetric(frm,
2925 		m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *);
2942 	uint8_t *frm;
2949 	m = ieee80211_getmgtframe(&frm,
2961 		*frm++ = category;
2962 		*frm++ = action;
2963 		frm = ieee80211_add_meshgate(frm, ie);
2964 		m->m_pkthdr.len = m->m_len = frm - mtod(m, uint8_t *);
3186 ieee80211_add_meshid(uint8_t *frm, struct ieee80211vap *vap)
3192 	*frm++ = IEEE80211_ELEMID_MESHID;
3193 	*frm++ = ms->ms_idlen;
3194 	memcpy(frm, ms->ms_id, ms->ms_idlen);
3195 	return frm + ms->ms_idlen;
3204 ieee80211_add_meshconf(uint8_t *frm, struct ieee80211vap *vap)
3211 	*frm++ = IEEE80211_ELEMID_MESHCONF;
3212 	*frm++ = IEEE80211_MESH_CONF_SZ;
3213 	*frm++ = ms->ms_ppath->mpp_ie;		/* path selection */
3214 	*frm++ = ms->ms_pmetric->mpm_ie;	/* link metric */
3215 	*frm++ = IEEE80211_MESHCONF_CC_DISABLED;
3216 	*frm++ = IEEE80211_MESHCONF_SYNC_NEIGHOFF;
3217 	*frm++ = IEEE80211_MESHCONF_AUTH_DISABLED;
3219 	*frm = (ms->ms_neighbors > IEEE80211_MESH_MAX_NEIGHBORS ?
3222 		*frm |= IEEE80211_MESHCONF_FORM_GATE;
3223 	frm += 1;
3229 	*frm++ = caps;
3230 	return frm;
3237 ieee80211_add_meshpeer(uint8_t *frm, uint8_t subtype, uint16_t localid,
3243 	*frm++ = IEEE80211_ELEMID_MESHPEER;
3246 		*frm++ = IEEE80211_MPM_BASE_SZ;		/* length */
3247 		ADDSHORT(frm, IEEE80211_MPPID_MPM);	/* proto */
3248 		ADDSHORT(frm, localid);			/* local ID */
3252 		*frm++ = IEEE80211_MPM_BASE_SZ + 2;	/* length */
3253 		ADDSHORT(frm, IEEE80211_MPPID_MPM);	/* proto */
3254 		ADDSHORT(frm, localid);			/* local ID */
3255 		ADDSHORT(frm, peerid);			/* peer ID */
3259 			*frm++ = IEEE80211_MPM_MAX_SZ;	/* length */
3261 			*frm++ = IEEE80211_MPM_BASE_SZ + 2; /* length */
3262 		ADDSHORT(frm, IEEE80211_MPPID_MPM);	/* proto */
3263 		ADDSHORT(frm, localid);	/* local ID */
3265 			ADDSHORT(frm, peerid);	/* peer ID */
3266 		ADDSHORT(frm, reason);
3269 	return frm;
3322 ieee80211_add_meshlmetric(uint8_t *frm, uint8_t flags, uint32_t metric)
3324 	*frm++ = IEEE80211_ELEMID_MESHLINK;
3325 	*frm++ = 5;
3326 	*frm++ = flags;
3327 	ADDWORD(frm, metric);
3328 	return frm;
3335 ieee80211_add_meshgate(uint8_t *frm, struct ieee80211_meshgann_ie *ie)
3337 	*frm++ = IEEE80211_ELEMID_MESHGANN; /* ie */
3338 	*frm++ = IEEE80211_MESHGANN_BASE_SZ; /* len */
3339 	*frm++ = ie->gann_flags;
3340 	*frm++ = ie->gann_hopcount;
3341 	*frm++ = ie->gann_ttl;
3342 	IEEE80211_ADDR_COPY(frm, ie->gann_addr);
3343 	frm += 6;
3344 	ADDWORD(frm, ie->gann_seq);
3345 	ADDSHORT(frm, ie->gann_interval);
3346 	return frm;