protocols/ipv6/ipv6.cpp

61 	struct ip6_hdr header;
63 	uint8 ProtocolVersion() const { return header.ip6_vfc & IPV6_VERSION_MASK; }
64 	uint8 ServiceType() const { return ntohl(header.ip6_flow) >> 20;}
65 	uint16 PayloadLength() const { return ntohs(header.ip6_plen); }
66 	const in6_addr& Dst() const { return header.ip6_dst; }
67 	const in6_addr& Src() const { return header.ip6_src; }
68 	uint8 NextHeader() const { return header.ip6_nxt; }
237 	uint8 next = header.ip6_nxt;
257 	// were we looking for a specific header?
260 			// found the specific header
263 		// return 0 if fragement header is not present
267 	// the general transport layer header case
349 		TRACE("    remove header %d bytes", previous->fragment.end - start);
516 dump_ipv6_header(IPv6Header &header)
520 	dprintf("  version: %d\n", header.ProtocolVersion() >> 4);
521 	dprintf("  service_type: %d\n", header.ServiceType());
522 	dprintf("  payload_length: %d\n", header.PayloadLength());
523 	dprintf("  next_header: %d\n", header.NextHeader());
524 	dprintf("  hop_limit: %d\n", header.header.ip6_hops);
525 	dprintf("  source: %s\n", ip6_sprintf(&header.header.ip6_src, addrbuf));
527 		ip6_sprintf(&header.header.ip6_dst, addrbuf));
538 reassemble_fragments(const IPv6Header &header, net_buffer** _buffer,
552 	memcpy(&key.source, &header.Src(), sizeof(in6_addr));
553 	memcpy(&key.destination, &header.Dst(), sizeof(in6_addr));
576 	uint16 end = start + header.PayloadLength();
582 	// Remove header unless this is the first fragment
647 	// TODO (from ipv4): we need to make sure all header space is contiguous or
663 		bufferHeader->header.ip6_nxt = IPPROTO_FRAGMENT;
664 		bufferHeader->header.ip6_plen
1296 	// Add IPv6 header
1298 	NetBufferPrepend<ip6_hdr> header(buffer);
1299 	if (header.Status() != B_OK)
1300 		return header.Status();
1312 	header->ip6_flow = htonl(flowinfo) & IPV6_FLOWINFO_MASK;
1314 	header->ip6_vfc |= IPV6_VERSION;
1315 	header->ip6_plen = htons(dataLength);
1316 	header->ip6_nxt = protocolNumber;
1317 	header->ip6_hlim = ip6_select_hoplimit(protocol, buffer);
1318 	memcpy(&header->ip6_src, &source.sin6_addr, sizeof(in6_addr));
1319 	memcpy(&header->ip6_dst, &destination.sin6_addr, sizeof(in6_addr));
1321 	header.Sync();
1335 		checksum = ipv6_checksum(&header->ip6_src,
1336 			&header->ip6_dst, dataLength, protocolNumber,
1461 	IPv6Header &header = bufferHeader.Data();
1462 	// dump_ipv6_header(header);
1464 	if (header.ProtocolVersion() != IPV6_VERSION)
1467 	uint16 packetLength = header.PayloadLength() + sizeof(ip6_hdr);
1475 	fill_sockaddr_in6(&destination, header.Dst());
1490 			ip6_sprintf(&header.Src(), srcbuf);
1491 			ip6_sprintf(&header.Dst(), dstbuf);
1504 	fill_sockaddr_in6((struct sockaddr_in6*)buffer->source, header.Src());
1507 	// get the transport protocol and transport header offset
1508 	uint16 transportHeaderOffset = header.GetHeaderOffset(buffer);
1518 		= header.GetHeaderOffset(buffer, IPPROTO_FRAGMENT);
1523 		status = reassemble_fragments(header, &buffer, fragmentHeaderOffset);
1535 	// tell the buffer to preserve removed ipv6 header - may need it later
1607 			IPv6Header header;
1609 					&header, sizeof(ip6_hdr)) == B_OK
1610 				&& header.ProtocolVersion() != IPV6_VERSION) {
1611 				// header is OK, take hoplimit from it
1612 				hopLimit = header.header.ip6_hlim;