1 files changed, 118 insertions, 0 deletions
diff --git a/networking/udhcp/d6_common.h b/networking/udhcp/d6_common.h
new file mode 100644
index 0000000..88afaf8
--- /dev/null
+++ b/networking/udhcp/d6_common.h
@@ -0,0 +1,118 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Copyright (C) 2011 Denys Vlasenko.
+ *
+ * Licensed under GPLv2, see file LICENSE in this source tree.
+ */
+#ifndef UDHCP_D6_COMMON_H
+#define UDHCP_D6_COMMON_H 1
+
+#include <netinet/ip6.h>
+
+PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
+
+
+/*** DHCPv6 packet ***/
+
+/* DHCPv6 protocol. See RFC 3315 */
+#define D6_MSG_SOLICIT              1
+#define D6_MSG_ADVERTISE            2
+#define D6_MSG_REQUEST              3
+#define D6_MSG_CONFIRM              4
+#define D6_MSG_RENEW                5
+#define D6_MSG_REBIND               6
+#define D6_MSG_REPLY                7
+#define D6_MSG_RELEASE              8
+#define D6_MSG_DECLINE              9
+#define D6_MSG_RECONFIGURE         10
+#define D6_MSG_INFORMATION_REQUEST 11
+#define D6_MSG_RELAY_FORW          12
+#define D6_MSG_RELAY_REPL          13
+
+struct d6_packet {
+	union {
+		uint8_t d6_msg_type;
+		uint32_t d6_xid32;
+	} d6_u;
+	uint8_t d6_options[576 - sizeof(struct iphdr) - sizeof(struct udphdr) - 4
+			+ CONFIG_UDHCPC_SLACK_FOR_BUGGY_SERVERS];
+} PACKED;
+#define d6_msg_type d6_u.d6_msg_type
+#define d6_xid32    d6_u.d6_xid32
+
+struct ip6_udp_d6_packet {
+	struct ip6_hdr ip6;
+	struct udphdr udp;
+	struct d6_packet data;
+} PACKED;
+
+struct udp_d6_packet {
+	struct udphdr udp;
+	struct d6_packet data;
+} PACKED;
+
+/*** Options ***/
+
+struct d6_option {
+	uint8_t code;
+	uint8_t code_hi;
+	uint8_t len;
+	uint8_t len_hi;
+	uint8_t data[1];
+} PACKED;
+
+#define D6_OPT_CLIENTID       1
+#define D6_OPT_SERVERID       2
+#define D6_OPT_IA_NA          3
+#define D6_OPT_IA_TA          4
+#define D6_OPT_IAADDR         5
+#define D6_OPT_ORO            6
+#define D6_OPT_PREFERENCE     7
+#define D6_OPT_ELAPSED_TIME   8
+#define D6_OPT_RELAY_MSG      9
+#define D6_OPT_AUTH          11
+#define D6_OPT_UNICAST       12
+#define D6_OPT_STATUS_CODE   13
+#define D6_OPT_RAPID_COMMIT  14
+#define D6_OPT_USER_CLASS    15
+#define D6_OPT_VENDOR_CLASS  16
+#define D6_OPT_VENDOR_OPTS   17
+#define D6_OPT_INTERFACE_ID  18
+#define D6_OPT_RECONF_MSG    19
+#define D6_OPT_RECONF_ACCEPT 20
+
+/*** Other shared functions ***/
+
+struct client6_data_t {
+	struct d6_option *server_id;
+	struct d6_option *ia_na;
+};
+
+#define client6_data (*(struct client6_data_t*)(&bb_common_bufsiz1[COMMON_BUFSIZE - sizeof(struct client6_data_t)]))
+
+int FAST_FUNC d6_listen_socket(int port, const char *inf);
+
+int FAST_FUNC d6_recv_kernel_packet(
+		struct in6_addr *peer_ipv6,
+		struct d6_packet *packet, int fd
+);
+
+int FAST_FUNC d6_send_raw_packet(
+		struct d6_packet *d6_pkt, unsigned d6_pkt_size,
+		struct in6_addr *src_ipv6, int source_port,
+		struct in6_addr *dst_ipv6, int dest_port, const uint8_t *dest_arp,
+		int ifindex
+);
+
+int FAST_FUNC d6_send_kernel_packet(
+		struct d6_packet *d6_pkt, unsigned d6_pkt_size,
+		struct in6_addr *src_ipv6, int source_port,
+		struct in6_addr *dst_ipv6, int dest_port
+);
+
+void FAST_FUNC d6_dump_packet(struct d6_packet *packet);
+
+
+POP_SAVED_FUNCTION_VISIBILITY
+
+#endif