bsd/netinet6/frag6.c

170 	struct ip6q *q6;
267 	for (q6 = ip6q.ip6q_next; q6 != &ip6q; q6 = q6->ip6q_next)
268 		if (ip6f->ip6f_ident == q6->ip6q_ident &&
269 		    IN6_ARE_ADDR_EQUAL(&ip6->ip6_src, &q6->ip6q_src) &&
270 		    IN6_ARE_ADDR_EQUAL(&ip6->ip6_dst, &q6->ip6q_dst))
273 	if (q6 == &ip6q) {
290 		q6 = (struct ip6q *)_MALLOC(sizeof(struct ip6q), M_FTABLE,
292 		if (q6 == NULL)
294 		bzero(q6, sizeof(*q6));
296 		frag6_insque(q6, &ip6q);
299 		q6->ip6q_down	= q6->ip6q_up = (struct ip6asfrag *)q6;
301 		q6->ip6q_nxtp	= (u_char *)nxtp;
303 		q6->ip6q_ident	= ip6f->ip6f_ident;
304 		q6->ip6q_ttl 	= IPV6_FRAGTTL;
305 		q6->ip6q_src	= ip6->ip6_src;
306 		q6->ip6q_dst	= ip6->ip6_dst;
307 		q6->ip6q_ecn	=
309 		q6->ip6q_unfrglen = -1;	/* The 1st fragment has not arrived. */
311 		q6->ip6q_nfrag	= 0;
320 		q6->ip6q_unfrglen = offset - sizeof(struct ip6_hdr)
322 		q6->ip6q_nxt = ip6f->ip6f_nxt;
331 	if (q6->ip6q_unfrglen >= 0) {
333 		if (q6->ip6q_unfrglen + fragoff + frgpartlen > IPV6_MAXPACKET) {
357 		for (af6 = q6->ip6q_down; af6 != (struct ip6asfrag *)q6;
361 			if (q6->ip6q_unfrglen + af6->ip6af_off + af6->ip6af_frglen >
378 				ip6err->ip6_src = q6->ip6q_src;
379 				ip6err->ip6_dst = q6->ip6q_dst;
401 		af6 = (struct ip6asfrag *)q6;
411 	ecn0 = q6->ip6q_ecn;
418 			q6->ip6q_ecn = IPTOS_ECN_CE;
428 	for (af6 = q6->ip6q_down; af6 != (struct ip6asfrag *)q6;
439 	if (af6->ip6af_up != (struct ip6asfrag *)q6) {
455 	while (af6 != (struct ip6asfrag *)q6 &&
479 	if (af6->ip6af_up != (struct ip6asfrag *)q6) {
486 			    i, ip6_sprintf(&q6->ip6q_src));
492 	if (af6 != (struct ip6asfrag *)q6) {
498 			    i, ip6_sprintf(&q6->ip6q_src));
516 	q6->ip6q_nfrag++;
518 	if (q6 != ip6q.ip6q_next) {
519 		frag6_remque(q6);
520 		frag6_insque(q6, &ip6q);
524 	for (af6 = q6->ip6q_down; af6 != (struct ip6asfrag *)q6;
544 	ip6af = q6->ip6q_down;
548 	while (af6 != (struct ip6asfrag *)q6) {
564 	ip6->ip6_src = q6->ip6q_src;
565 	ip6->ip6_dst = q6->ip6q_dst;
566 	if (q6->ip6q_ecn == IPTOS_ECN_CE)
569 	nxt = q6->ip6q_nxt;
571 	*q6->ip6q_nxtp = (u_char)(nxt & 0xff);
584 			frag6_remque(q6);
585 			frag6_nfrags -= q6->ip6q_nfrag;
586 			FREE(q6, M_FTABLE);
602 	frag6_remque(q6);
603 	frag6_nfrags -= q6->ip6q_nfrag;
604 	FREE(q6, M_FTABLE);
644 frag6_freef(q6)
645 	struct ip6q *q6;
649 	for (af6 = q6->ip6q_down; af6 != (struct ip6asfrag *)q6;
667 			ip6->ip6_src = q6->ip6q_src;
668 			ip6->ip6_dst = q6->ip6q_dst;
676 	frag6_remque(q6);
677 	frag6_nfrags -= q6->ip6q_nfrag;
678 	FREE(q6, M_FTABLE);
733 	struct ip6q *q6;
737 	q6 = ip6q.ip6q_next;
738 	if (q6)
739 		while (q6 != &ip6q) {
740 			--q6->ip6q_ttl;
741 			q6 = q6->ip6q_next;
742 			if (q6->ip6q_prev->ip6q_ttl == 0) {
745 				frag6_freef(q6->ip6q_prev);