Diff: uip/NyLPC_uip.h

Revision:

0:142ee8b12fef

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uip/NyLPC_uip.h	Wed Jan 30 03:46:05 2013 +0000
@@ -0,0 +1,475 @@
+/*********************************************************************************
+ * PROJECT: MiMic
+ * --------------------------------------------------------------------------------
+ *
+ * This file is part of MiMic
+ * Copyright (C)2011 Ryo Iizuka
+ *
+ * MiMic is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by　the Free Software Foundation, either version 3 of the　License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * For further information please contact.
+ *  http://nyatla.jp/
+ *  <airmail(at)ebony.plala.or.jp> or <nyatla(at)nyatla.jp>
+ *
+ *
+ * Parts of this file were leveraged from uIP:
+ *
+ * Copyright (c) 2001-2003, Adam Dunkels.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef NyLPC_uip_h
+#define NyLPC_uip_h
+#include "../include/NyLPC_stdlib.h"
+#include "../include/NyLPC_config.h"
+#include "NyLPC_uip_ethernet.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define UIP_PROTO_ICMP  1
+#define UIP_PROTO_TCP   6
+#define UIP_PROTO_UDP   17
+#define UIP_PROTO_ICMP6 58
+
+#define ARP_REQUEST 1
+#define ARP_REPLY   2
+#define ARP_HWTYPE_ETH 1
+
+
+#ifndef PACK_STRUCT_END
+    #define PACK_STRUCT_END __attribute((packed))
+#endif
+
+/**********************************************************************
+ *
+ *
+ *
+ **********************************************************************/
+
+/**
+ * IPアドレスを格納します。
+ * IPアドレスは、ネットワークオーダーで設定します。
+ */
+struct NyLPC_TIPv4Addr
+{
+    NyLPC_TUInt32 v;
+}PACK_STRUCT_END;
+extern const struct NyLPC_TIPv4Addr NyLPC_TIPv4Addr_ZERO;
+extern const struct NyLPC_TIPv4Addr NyLPC_TIPv4Addr_ALL;
+extern const struct NyLPC_TIPv4Addr NyLPC_TIPv4Addr_BROADCAST;
+
+/**
+ * addr1とaddr2が全く同じであるかをテストします。
+ * \hideinitializer
+ */
+#define NyLPC_TIPv4Addr_isEqual(v1,v2) ((v1)->v==(v2)->v)
+/**
+ * addr1とaddr2をmaskでマスクした結果を比較します。
+ * \hideinitializer
+ */
+#define NyLPC_TIPv4Addr_isEqualWithMask(addr1, addr2, mask) ((((addr1)->v) & ((mask)->v))==(((addr2)->v) & ((mask)->v)))
+
+/**
+ * 変数にIP v4アドレスをセットします。
+ * 次のように使います。
+ \code
+ NyLPC_TIPv4Addr ip;
+ NyLPC_TIpv4Addr_set(&ip,1,2,3,4);
+ \endcode
+ */
+#define NyLPC_TIPv4Addr_set(s,a0,a1,a2,a3) (s).v=NyLPC_htonl((0xff000000&(a0<<24))|(0x00ff0000&(a1<<16))|(0x0000ff00&(a2<<8))|(0x000000ff&(a3)))
+#define NyLPC_TIPv4Addr_pack(a0,a1,a2,a3) {NyLPC_HTONL((0xff000000&(a0<<24))|(0x00ff0000&(a1<<16))|(0x0000ff00&(a2<<8))|(0x000000ff&(a3)))}
+
+
+
+
+struct uip_ip6addr
+{
+    NyLPC_TUInt16 v[8];
+}PACK_STRUCT_END;
+
+typedef struct uip_ip6addr uip_ip6addr_t;
+
+NyLPC_TUInt16 NyLPC_uip_chksum(NyLPC_TUInt16 sum, const NyLPC_TUInt8 *data, NyLPC_TUInt16 len);
+
+
+
+
+/**
+ * TTL
+ */
+#define UIP_DEFAULT_IP_TTL 64
+
+/**
+ * RTOの最大値。ms単位である。
+ * 64sが標準値である。
+ */
+#define UIP_IP_RTO_MAX_RTO 64000
+
+/**
+ * RTOの初期値。ms単位である。
+ * 伝送路の特性に合わせて調整すること。
+ */
+#define UIP_IP_RTOP_INITIAL 3000
+
+#define UIP_IP_RTO_MINIMUM 100
+
+
+/**
+ * The maximum number of times a segment should be retransmitted
+ * before the connection should be aborted.
+ *
+ * This should not be changed.
+ */
+#define UIP_MAXRTX      8
+
+/**
+ * The maximum number of times a SYN segment should be retransmitted
+ * before a connection request should be deemed to have been
+ * unsuccessful.
+ *
+ * This should not need to be changed.
+ */
+#define UIP_MAXSYNRTX      5
+/**
+ * How long a connection should stay in the TIME_WAIT state.
+ *
+ * This configiration option has no real implication, and it should be
+ * left untouched.
+ */
+#define UIP_TIME_WAIT_TIMEOUT 120
+
+
+
+#   if UIP_BYTE_ORDER == NyLPC_ENDIAN_BIG
+#       define NyLPC_HTONS(n) (n)
+#       define NyLPC_htons(n) (n)
+#       define NyLPC_ntohs(n) (n)
+#       define NyLPC_htonl(n) (n)
+#       define NyLPC_ntohl(n) (n)
+#       define NyLPC_HTONS(n) (n)
+#       define NyLPC_NTOHS(n) (n)
+#   else /* UIP_BYTE_ORDER == UIP_BIG_ENDIAN */
+#       define NyLPC_htonl(n) NyLPC_TUInt32_bswap(n)
+#       define NyLPC_ntohl(n) NyLPC_TUInt32_bswap(n)
+#       define NyLPC_htons(n) NyLPC_TUInt16_bswap(n)
+#       define NyLPC_ntohs(n) NyLPC_TUInt16_bswap(n)
+#       define NyLPC_HTONS(n) NyLPC_TUInt16_BSWAP(n)
+#       define NyLPC_NTOHS(n) NyLPC_TUInt16_BSWAP(n)
+#       define NyLPC_NTOHL(n) NyLPC_TUInt32_BSWAP(n)
+#       define NyLPC_HTONL(n) NyLPC_TUInt32_BSWAP(n)
+#endif /* NyLPC_HTONS */
+
+
+
+
+/**********************************************************************
+ *
+ * struct NyLPC_TEthernetIIHeader
+ *
+ **********************************************************************/
+
+#define NyLPC_TEthernetIIHeader_TYPE_IP     0x0800
+#define NyLPC_TEthernetIIHeader_TYPE_ARP    0x0806
+#define NyLPC_TEthernetIIHeader_TYPE_IPV6   0x86DD
+//#define UIP_ETHTYPE_IP  0x0800
+//#define UIP_ETHTYPE_ARP 0x0806
+//#define UIP_ETHTYPE_IP6 0x86dd
+
+struct NyLPC_TEthernetIIHeader
+{
+    struct NyLPC_TEthAddr dest;
+    struct NyLPC_TEthAddr src;
+    NyLPC_TUInt16 type;
+}PACK_STRUCT_END;
+
+
+NyLPC_TUInt16 NyLPC_TEthernetIIHeader_setArpTx(
+    struct NyLPC_TEthernetIIHeader* i_struct,
+    const struct NyLPC_TEthAddr* i_my_eth_addr);
+
+NyLPC_TUInt16 NyLPC_TEthernetIIHeader_setIPv4Tx(
+    struct NyLPC_TEthernetIIHeader* i_eth,
+    const struct NyLPC_TEthAddr* i_src_eth_addr,
+    const struct NyLPC_TEthAddr* i_dest_eth_addr);
+/**********************************************************************
+ *
+ * struct NyLPC_TIPv4Header
+ *
+ **********************************************************************/
+
+
+/**
+ * IPパケットヘッダのメモリマップ構造体
+ * 値はすべてネットワークオーダーです。
+ */
+struct NyLPC_TIPv4Header
+{
+    NyLPC_TUInt8 vhl;
+    NyLPC_TUInt8 tos;
+    NyLPC_TUInt16 len16;
+    NyLPC_TUInt16 ipid16;
+    NyLPC_TUInt16 ipoffset;
+    NyLPC_TUInt8 ttl;
+    NyLPC_TUInt8 proto;
+    NyLPC_TUInt16 ipchksum;
+    struct NyLPC_TIPv4Addr srcipaddr;
+    struct NyLPC_TIPv4Addr destipaddr;
+}PACK_STRUCT_END;
+
+
+
+
+NyLPC_TBool NyLPC_TIPv4Header_isCorrectIpCheckSum(
+    const struct NyLPC_TIPv4Header* ip_header);
+
+NyLPC_TBool NyLPC_cIPv4Packet_isCorrectTcpCheckSum(
+    const struct NyLPC_TIPv4Header* ip_header);
+
+NyLPC_TUInt16 NyLPC_TIPv4Header_makeIpChecksum(const struct NyLPC_TIPv4Header* ip_header);
+
+
+NyLPC_TUInt16 NyLPC_TIPv4Header_makeTcpChecksum(
+    const struct NyLPC_TIPv4Header* i_iph);
+
+#define NyLPC_TIPv4Header_isDestAddrEqual(i_struct,i_addr) ((i_struct)->destipaddr==(i_addr))
+#define NyLPC_TIPv4Header_isSrcAddrEqual(i_struct,i_addr) ((i_struct)->srcipaddr==(i_addr))
+
+/**
+ * IPヘッダの長さを返す。
+ */
+#define NyLPC_TIPv4Header_getHeaderLength(i_iph) ((i_iph->vhl & 0x0f)*4)
+/**
+ * IPパケット全体の長さを返す。
+ */
+#define NyLPC_TIPv4Header_getPacketLength(i_iph) (NyLPC_ntohs((i_iph)->len16))
+
+/**********************************************************************
+ *
+ * struct NyLPC_TIPv6Header
+ *
+ **********************************************************************/
+
+
+struct NyLPC_TIPv6Header
+{
+    /* IPv6 header. */
+    NyLPC_TUInt8 vtc;
+    NyLPC_TUInt8 tcflow;
+    NyLPC_TUInt16 flow;
+    NyLPC_TUInt8 len16;
+    NyLPC_TUInt8 proto, ttl;
+    uip_ip6addr_t srcipaddr;
+    uip_ip6addr_t destipaddr;
+}PACK_STRUCT_END;
+
+void NyLPC_TIPv6Header_setSendHeader(
+    struct NyLPC_TIPv6Header* i_iph,
+    uip_ip6addr_t i_src,
+    uip_ip6addr_t i_dest,
+    NyLPC_TUInt8 i_proto,
+    NyLPC_TUInt8 i_ttl,
+    NyLPC_TUInt16 i_len);
+
+NyLPC_TUInt16 NyLPC_TIPv6Header_makeTcpChecksum(
+    struct NyLPC_TIPv6Header* i_iph,
+    NyLPC_TUInt16 i_len);
+
+#define NyLPC_TIPv6Header_isDestAddrEqual(i_struct,i_addr) (memcmp((i_struct)->destipaddr,(i_addr),sizeof(uip_ip6addr_t)))
+#define NyLPC_TIPv6Header_isSrcAddrEqual(i_struct,i_addr) (memcmp(i_struct)->srcipaddr,(i_addr),sizeof(uip_ip6addr_t)))
+/**********************************************************************
+ *
+ * struct NyLPC_TTcpHeader
+ *
+ **********************************************************************/
+#define TCP_OPT_END     0   /* End of TCP options list */
+#define TCP_OPT_NOOP    1   /* "No-operation" TCP option */
+#define TCP_OPT_MSS     2   /* Maximum segment size TCP option */
+#define TCP_OPT_MSS_LEN 4   /* Length of TCP MSS option. */
+
+/**
+ * TCP/IPヘッダのメモリマップ構造体
+ * マルチバイトの値は、全てネットワークオーダーです。
+ */
+struct NyLPC_TTcpHeader
+{
+    //TCP header.
+    NyLPC_TUInt16 srcport;
+    NyLPC_TUInt16 destport;
+    NyLPC_TUInt32 seqno32;
+    NyLPC_TUInt32 ackno32;
+    NyLPC_TUInt8 tcpoffset;
+    NyLPC_TUInt8 flags;
+    NyLPC_TUInt16 wnd16;
+    NyLPC_TUInt16 tcpchksum;
+    NyLPC_TUInt8 urgp[2];
+//  NyLPC_TUInt8 optdata[4];
+} PACK_STRUCT_END;
+
+
+NyLPC_TUInt8* NyLPC_TTcpHeader_getTcpOptFragmentPtr(
+    const struct NyLPC_TTcpHeader* i_struct,
+    NyLPC_TUInt8 i_opt_id);
+
+NyLPC_TBool NyLPC_TTcpHeader_getTcpMmsOpt(
+    const struct NyLPC_TTcpHeader* i_struct,NyLPC_TUInt16* o_val);
+
+/**
+ * この関数は、TCPヘッダの長さを返します。ヘッダの長さは、i_structのフィールドから計算します。
+ * @param i_struct
+ * 構造体のアドレス。
+ */
+NyLPC_TUInt16 NyLPC_TTcpHeader_getHeaderLength(const struct NyLPC_TTcpHeader* i_struct);
+
+/**
+ * この関数は、指定したアドレスに、mmsオプション値を書き込みます。
+ */
+void NyLPC_TTcpHeader_setMmsOpt(NyLPC_TUInt8* i_opt_addr,NyLPC_TUInt16 i_mms);
+
+
+/**********************************************************************
+ *
+ * struct NyLPC_TUdpHeader
+ *
+ **********************************************************************/
+
+/**
+ * UDP/IPヘッダのメモリマップ構造体
+ */
+struct NyLPC_TUdpHeader
+{
+    NyLPC_TUInt16 srcport;
+    NyLPC_TUInt16 destport;
+    NyLPC_TUInt16 udplen;
+    NyLPC_TUInt16 udpchksum;
+} PACK_STRUCT_END;
+
+/**********************************************************************
+ *
+ * struct NyLPC_TIcmpipHeader
+ *
+ **********************************************************************/
+
+
+struct NyLPC_TIcmpHeader
+{
+    /* ICMP (echo) header. */
+    NyLPC_TUInt8 type, icode;
+    NyLPC_TUInt16 icmpchksum;
+    #if !UIP_CONF_IPV6
+        NyLPC_TUInt16 id, seqno;
+    #else /* !UIP_CONF_IPV6 */
+        NyLPC_TUInt8 flags, reserved1, reserved2, reserved3;
+        NyLPC_TUInt8 icmp6data[16];
+        NyLPC_TUInt8 options[1];
+    #endif /* !UIP_CONF_IPV6 */
+} PACK_STRUCT_END;
+
+/**********************************************************************
+ *
+ * struct NyLPC_TIcmpipHeader
+ *
+ **********************************************************************/
+
+struct NyLPC_TArpHeader
+{
+  NyLPC_TUInt16 hwtype;
+  NyLPC_TUInt16 protocol;
+  NyLPC_TUInt8 hwlen;
+  NyLPC_TUInt8 protolen;
+  NyLPC_TUInt16 opcode;
+  struct NyLPC_TEthAddr shwaddr;
+  struct NyLPC_TIPv4Addr sipaddr;
+  struct NyLPC_TEthAddr dhwaddr;
+  struct NyLPC_TIPv4Addr dipaddr;
+} PACK_STRUCT_END;
+
+
+void NyLPC_TArpHeader_setArpRequest(
+    struct NyLPC_TArpHeader* i_struct,
+    const struct NyLPC_TIPv4Addr i_saddr,
+    const struct NyLPC_TEthAddr* i_srceth,
+    const struct NyLPC_TIPv4Addr i_daddr);
+
+
+typedef struct NyLPC_TcEthernetIIPayload NyLPC_TcEthernetIIPayload_t;
+
+
+
+
+/**********************************************************************
+ *
+ * NyLPC_TIPv6Payload
+ *
+ **********************************************************************/
+
+
+struct NyLPC_TIPv6Payload
+{
+    struct NyLPC_TIPv6Header* header;
+    union{
+        void* rawbuf;
+        void* tcp;
+        void* udp;
+        void* icmp6;
+    }payload;
+};
+
+struct NyLPC_TcEthernetIIPayload
+{
+    struct NyLPC_TEthernetIIHeader* header;
+    union{
+        void* rawbuf;
+        struct NyLPC_TArpHeader* arp;
+        struct NyLPC_TIPv4Payload* ipv4;
+        struct NyLPC_TIPv6Payload* ipv6;
+    }payload;
+    NyLPC_TUInt16 len;
+};
+
+
+
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif