freebsd_wlan/net80211/ieee80211_superg.c

363 ieee80211_ff_encap(struct ieee80211vap *vap, struct mbuf *m1, int hdrspace,
372 	m2 = m1->m_nextpkt;
378 	m1->m_nextpkt = NULL;
383 	KASSERT(m1->m_len >= sizeof(eh1), ("no ethernet header!"));
384 	ETHER_HEADER_COPY(&eh1, mtod(m1, caddr_t));
385 	m1 = ieee80211_mbuf_adjust(vap, hdrspace, key, m1);
386 	if (m1 == NULL) {
411 	m1 = ieee80211_ff_encap1(vap, m1, &eh1);
412 	if (m1 == NULL)
426 	for (m = m1; m->m_next != NULL; m = m->m_next)
428 	pad = roundup2(m1->m_pkthdr.len, 4) - m1->m_pkthdr.len;
436 			m1->m_pkthdr.len += pad;
447 	m1->m_pkthdr.len += m2->m_pkthdr.len;
448 	M_PREPEND(m1, sizeof(uint32_t)+2, M_NOWAIT);
449 	if (m1 == NULL) {		/* XXX cannot happen */
455 	memset(mtod(m1, void *), 0, sizeof(uint32_t)+2);
457 	M_PREPEND(m1, sizeof(struct llc), M_NOWAIT);
458 	if (m1 == NULL) {		/* XXX cannot happen */
464 	llc = mtod(m1, struct llc *);
474 	return m1;
477 	if (m1 != NULL)
478 		m_freem(m1);
495 ieee80211_amsdu_encap(struct ieee80211vap *vap, struct mbuf *m1, int hdrspace,
503 	m2 = m1->m_nextpkt;
509 	m1->m_nextpkt = NULL;
514 	KASSERT(m1->m_len >= sizeof(eh1), ("no ethernet header!"));
515 	ETHER_HEADER_COPY(&eh1, mtod(m1, caddr_t));
516 	m1 = ieee80211_mbuf_adjust(vap,
519 		key, m1);
520 	if (m1 == NULL) {
544 	m1 = ieee80211_ff_encap1(vap, m1, &eh1);
545 	if (m1 == NULL)
559 	for (m = m1; m->m_next != NULL; m = m->m_next)
561 	pad = roundup2(m1->m_pkthdr.len, 4) - m1->m_pkthdr.len;
569 			m1->m_pkthdr.len += pad;
577 	m1->m_pkthdr.len += m2->m_pkthdr.len;
581 	return m1;
584 	if (m1 != NULL)
585 		m_freem(m1);
724 	const struct mbuf *m1, const struct mbuf *m2)
740 	framelen = m1->m_pkthdr.len + 32 +