bsd/netinet6/ipcomp_input.c

69 #include <netinet6/ipcomp.h>
91 	struct ipcomp *ipcomp;
100 	if (m->m_pkthdr.len < off + sizeof(struct ipcomp)) {
107 	md = m_pulldown(m, off, sizeof(*ipcomp), NULL);
115 	ipcomp = mtod(md, struct ipcomp *);
121 	nxt = ipcomp->comp_nxt;
128 	cpi = ntohs(ipcomp->comp_cpi);
148 	/* chop ipcomp header */
149 	ipcomp = NULL;
150 	md->m_data += sizeof(struct ipcomp);
151 	md->m_len -= sizeof(struct ipcomp);
152 	m->m_pkthdr.len -= sizeof(struct ipcomp);
154 	ip->ip_len -= sizeof(struct ipcomp);
156 	ip->ip_len = htons(ntohs(ip->ip_len) - sizeof(struct ipcomp));
252 	struct ipcomp *ipcomp;
264 	md = m_pulldown(m, off, sizeof(*ipcomp), NULL);
272 	ipcomp = mtod(md, struct ipcomp *);
278 	nxt = ipcomp->comp_nxt;
280 	cpi = ntohs(ipcomp->comp_cpi);
300 	/* chop ipcomp header */
301 	ipcomp = NULL;
302 	md->m_data += sizeof(struct ipcomp);
303 	md->m_len -= sizeof(struct ipcomp);
304 	m->m_pkthdr.len -= sizeof(struct ipcomp);