bsd/netinet6/frag6.c

171 	struct ip6asfrag *af6, *ip6af, *af6dwn;
357 		for (af6 = q6->ip6q_down; af6 != (struct ip6asfrag *)q6;
358 		     af6 = af6dwn) {
359 			af6dwn = af6->ip6af_down;
361 			if (q6->ip6q_unfrglen + af6->ip6af_off + af6->ip6af_frglen >
363 				struct mbuf *merr = IP6_REASS_MBUF(af6);
365 				int erroff = af6->ip6af_offset;
368 				frag6_deq(af6);
369 				FREE(af6, M_FTABLE);
401 		af6 = (struct ip6asfrag *)q6;
428 	for (af6 = q6->ip6q_down; af6 != (struct ip6asfrag *)q6;
429 	     af6 = af6->ip6af_down)
430 		if (af6->ip6af_off > ip6af->ip6af_off)
439 	if (af6->ip6af_up != (struct ip6asfrag *)q6) {
440 		i = af6->ip6af_up->ip6af_off + af6->ip6af_up->ip6af_frglen
455 	while (af6 != (struct ip6asfrag *)q6 &&
456 	       ip6af->ip6af_off + ip6af->ip6af_frglen > af6->ip6af_off) {
457 		i = (ip6af->ip6af_off + ip6af->ip6af_frglen) - af6->ip6af_off;
458 		if (i < af6->ip6af_frglen) {
459 			af6->ip6af_frglen -= i;
460 			af6->ip6af_off += i;
461 			m_adj(IP6_REASS_MBUF(af6), i);
464 		af6 = af6->ip6af_down;
465 		m_freem(IP6_REASS_MBUF(af6->ip6af_up));
466 		frag6_deq(af6->ip6af_up);
479 	if (af6->ip6af_up != (struct ip6asfrag *)q6) {
480 		i = af6->ip6af_up->ip6af_off + af6->ip6af_up->ip6af_frglen
492 	if (af6 != (struct ip6asfrag *)q6) {
493 		i = (ip6af->ip6af_off + ip6af->ip6af_frglen) - af6->ip6af_off;
514 	frag6_enq(ip6af, af6->ip6af_up);
524 	for (af6 = q6->ip6q_down; af6 != (struct ip6asfrag *)q6;
525 	     af6 = af6->ip6af_down) {
526 		if (af6->ip6af_off != next) {
532 		next += af6->ip6af_frglen;
534 	if (af6->ip6af_up->ip6af_mff) {
546 	af6 = ip6af->ip6af_down;
548 	while (af6 != (struct ip6asfrag *)q6) {
549 		af6dwn = af6->ip6af_down;
550 		frag6_deq(af6);
553 		t->m_next = IP6_REASS_MBUF(af6);
554 		m_adj(t->m_next, af6->ip6af_offset);
555 		FREE(af6, M_FTABLE);
556 		af6 = af6dwn;
647 	struct ip6asfrag *af6, *down6;
649 	for (af6 = q6->ip6q_down; af6 != (struct ip6asfrag *)q6;
650 	     af6 = down6) {
651 		struct mbuf *m = IP6_REASS_MBUF(af6);
653 		down6 = af6->ip6af_down;
654 		frag6_deq(af6);
660 		if (af6->ip6af_off == 0) {
673 		FREE(af6, M_FTABLE);
687 frag6_enq(af6, up6)
688 	struct ip6asfrag *af6, *up6;
690 	af6->ip6af_up = up6;
691 	af6->ip6af_down = up6->ip6af_down;
692 	up6->ip6af_down->ip6af_up = af6;
693 	up6->ip6af_down = af6;
700 frag6_deq(af6)
701 	struct ip6asfrag *af6;
703 	af6->ip6af_up->ip6af_down = af6->ip6af_down;
704 	af6->ip6af_down->ip6af_up = af6->ip6af_up;