sbin/ping6/ping6.c

301 	struct cmsghdr cm[CONTROLLEN];
1136 			memset(cm, 0, CONTROLLEN);
1137 			m.msg_control = (void *)cm;
1754 	struct cmsghdr *cm;
1758 	for (cm = (struct cmsghdr *)CMSG_FIRSTHDR(mhdr); cm;
1759 	     cm = (struct cmsghdr *)CMSG_NXTHDR(mhdr, cm)) {
1760 		if (cm->cmsg_level != IPPROTO_IPV6)
1763 		bufsize = CONTROLLEN - ((caddr_t)CMSG_DATA(cm) - (caddr_t)bufp);
1766 		switch (cm->cmsg_type) {
1769 			pr_ip6opt(CMSG_DATA(cm), (size_t)bufsize);
1776 			pr_ip6opt(CMSG_DATA(cm), (size_t)bufsize);
1780 			pr_rthdr(CMSG_DATA(cm), (size_t)bufsize);
2105 	struct cmsghdr *cm;
2107 	for (cm = (struct cmsghdr *)CMSG_FIRSTHDR(mhdr); cm;
2108 	     cm = (struct cmsghdr *)CMSG_NXTHDR(mhdr, cm)) {
2109 		if (cm->cmsg_len == 0)
2112 		if (cm->cmsg_level == IPPROTO_IPV6 &&
2113 		    cm->cmsg_type == IPV6_HOPLIMIT &&
2114 		    cm->cmsg_len == CMSG_LEN(sizeof(int)))
2115 			return(*(int *)CMSG_DATA(cm));
2124 	struct cmsghdr *cm;
2126 	for (cm = (struct cmsghdr *)CMSG_FIRSTHDR(mhdr); cm;
2127 	     cm = (struct cmsghdr *)CMSG_NXTHDR(mhdr, cm)) {
2128 		if (cm->cmsg_len == 0)
2131 		if (cm->cmsg_level == IPPROTO_IPV6 &&
2132 		    cm->cmsg_type == IPV6_PKTINFO &&
2133 		    cm->cmsg_len == CMSG_LEN(sizeof(struct in6_pktinfo)))
2134 			return((struct in6_pktinfo *)CMSG_DATA(cm));
2144 	struct cmsghdr *cm;
2147 	for (cm = (struct cmsghdr *)CMSG_FIRSTHDR(mhdr); cm;
2148 	     cm = (struct cmsghdr *)CMSG_NXTHDR(mhdr, cm)) {
2149 		if (cm->cmsg_len == 0)
2152 		if (cm->cmsg_level == IPPROTO_IPV6 &&
2153 		    cm->cmsg_type == IPV6_PATHMTU &&
2154 		    cm->cmsg_len == CMSG_LEN(sizeof(struct ip6_mtuinfo))) {
2155 			mtuctl = (struct ip6_mtuinfo *)CMSG_DATA(cm);