1 files changed, 212 insertions, 0 deletions
diff --git a/net/ieee802154/6lowpan.h b/net/ieee802154/6lowpan.h
new file mode 100644
index 000000000000..5d8cf80b930d
--- /dev/null
+++ b/net/ieee802154/6lowpan.h
@@ -0,0 +1,212 @@
+/*
+ * Copyright 2011, Siemens AG
+ * written by Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
+ */
+/*
+ * Based on patches from Jon Smirl <jonsmirl@gmail.com>
+ * Copyright (c) 2011 Jon Smirl <jonsmirl@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * 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 General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+/* Jon's code is based on 6lowpan implementation for Contiki which is:
+ * Copyright (c) 2008, Swedish Institute of Computer Science.
+ * 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. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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 __6LOWPAN_H__
+#define __6LOWPAN_H__
+/* need to know address length to manipulate with it */
+#define IEEE802154_ALEN         8
+#define UIP_802154_SHORTADDR_LEN        2  /* compressed ipv6 address length */
+#define UIP_IPH_LEN                     40 /* ipv6 fixed header size */
+#define UIP_PROTO_UDP                   17 /* ipv6 next header value for UDP */
+#define UIP_FRAGH_LEN                   8  /* ipv6 fragment header size */
+/*
+ * ipv6 address based on mac
+ * second bit-flip (Universe/Local) is done according RFC2464
+ */
+#define is_addr_mac_addr_based(a, m) \
+        ((((a)->s6_addr[8])  == (((m)[0]) ^ 0x02)) &&   \
+         (((a)->s6_addr[9])  == (m)[1]) &&              \
+         (((a)->s6_addr[10]) == (m)[2]) &&              \
+         (((a)->s6_addr[11]) == (m)[3]) &&              \
+         (((a)->s6_addr[12]) == (m)[4]) &&              \
+         (((a)->s6_addr[13]) == (m)[5]) &&              \
+         (((a)->s6_addr[14]) == (m)[6]) &&              \
+         (((a)->s6_addr[15]) == (m)[7]))
+/* ipv6 address is unspecified */
+#define is_addr_unspecified(a)          \
+        ((((a)->s6_addr32[0]) == 0) &&  \
+         (((a)->s6_addr32[1]) == 0) &&  \
+         (((a)->s6_addr32[2]) == 0) &&  \
+         (((a)->s6_addr32[3]) == 0))
+/* compare ipv6 addresses prefixes */
+#define ipaddr_prefixcmp(addr1, addr2, length) \
+        (memcmp(addr1, addr2, length >> 3) == 0)
+/* local link, i.e. FE80::/10 */
+#define is_addr_link_local(a) (((a)->s6_addr16[0]) == 0x80FE)
+/*
+ * check whether we can compress the IID to 16 bits,
+ * it's possible for unicast adresses with first 49 bits are zero only.
+ */
+#define lowpan_is_iid_16_bit_compressable(a)    \
+        ((((a)->s6_addr16[4]) == 0) &&          \
+         (((a)->s6_addr16[5]) == 0) &&          \
+         (((a)->s6_addr16[6]) == 0) &&          \
+         ((((a)->s6_addr[14]) & 0x80) == 0))
+/* multicast address */
+#define is_addr_mcast(a) (((a)->s6_addr[0]) == 0xFF)
+/* check whether the 112-bit gid of the multicast address is mappable to: */
+/* 9 bits, for FF02::1 (all nodes) and FF02::2 (all routers) addresses only. */
+#define lowpan_is_mcast_addr_compressable(a)    \
+        ((((a)->s6_addr16[1]) == 0) &&          \
+         (((a)->s6_addr16[2]) == 0) &&          \
+         (((a)->s6_addr16[3]) == 0) &&          \
+         (((a)->s6_addr16[4]) == 0) &&          \
+         (((a)->s6_addr16[5]) == 0) &&          \
+         (((a)->s6_addr16[6]) == 0) &&          \
+         (((a)->s6_addr[14])  == 0) &&          \
+         ((((a)->s6_addr[15]) == 1) || (((a)->s6_addr[15]) == 2)))
+/* 48 bits, FFXX::00XX:XXXX:XXXX */
+#define lowpan_is_mcast_addr_compressable48(a)  \
+        ((((a)->s6_addr16[1]) == 0) &&          \
+         (((a)->s6_addr16[2]) == 0) &&          \
+         (((a)->s6_addr16[3]) == 0) &&          \
+         (((a)->s6_addr16[4]) == 0) &&          \
+         (((a)->s6_addr[10]) == 0))
+/* 32 bits, FFXX::00XX:XXXX */
+#define lowpan_is_mcast_addr_compressable32(a)  \
+        ((((a)->s6_addr16[1]) == 0) &&          \
+         (((a)->s6_addr16[2]) == 0) &&          \
+         (((a)->s6_addr16[3]) == 0) &&          \
+         (((a)->s6_addr16[4]) == 0) &&          \
+         (((a)->s6_addr16[5]) == 0) &&          \
+         (((a)->s6_addr[12]) == 0))
+/* 8 bits, FF02::00XX */
+#define lowpan_is_mcast_addr_compressable8(a)   \
+        ((((a)->s6_addr[1])  == 2) &&           \
+         (((a)->s6_addr16[1]) == 0) &&          \
+         (((a)->s6_addr16[2]) == 0) &&          \
+         (((a)->s6_addr16[3]) == 0) &&          \
+         (((a)->s6_addr16[4]) == 0) &&          \
+         (((a)->s6_addr16[5]) == 0) &&          \
+         (((a)->s6_addr16[6]) == 0) &&          \
+         (((a)->s6_addr[14]) == 0))
+#define lowpan_is_addr_broadcast(a)     \
+        ((((a)[0]) == 0xFF) &&  \
+         (((a)[1]) == 0xFF) &&  \
+         (((a)[2]) == 0xFF) &&  \
+         (((a)[3]) == 0xFF) &&  \
+         (((a)[4]) == 0xFF) &&  \
+         (((a)[5]) == 0xFF) &&  \
+         (((a)[6]) == 0xFF) &&  \
+         (((a)[7]) == 0xFF))
+#define LOWPAN_DISPATCH_IPV6    0x41 /* 01000001 = 65 */
+#define LOWPAN_DISPATCH_HC1     0x42 /* 01000010 = 66 */
+#define LOWPAN_DISPATCH_IPHC    0x60 /* 011xxxxx = ... */
+#define LOWPAN_DISPATCH_FRAG1   0xc0 /* 11000xxx */
+#define LOWPAN_DISPATCH_FRAGN   0xe0 /* 11100xxx */
+/*
+ * Values of fields within the IPHC encoding first byte
+ * (C stands for compressed and I for inline)
+ */
+#define LOWPAN_IPHC_TF          0x18
+#define LOWPAN_IPHC_FL_C        0x10
+#define LOWPAN_IPHC_TC_C        0x08
+#define LOWPAN_IPHC_NH_C        0x04
+#define LOWPAN_IPHC_TTL_1       0x01
+#define LOWPAN_IPHC_TTL_64      0x02
+#define LOWPAN_IPHC_TTL_255     0x03
+#define LOWPAN_IPHC_TTL_I       0x00
+/* Values of fields within the IPHC encoding second byte */
+#define LOWPAN_IPHC_CID         0x80
+#define LOWPAN_IPHC_SAC         0x40
+#define LOWPAN_IPHC_SAM_00      0x00
+#define LOWPAN_IPHC_SAM_01      0x10
+#define LOWPAN_IPHC_SAM_10      0x20
+#define LOWPAN_IPHC_SAM         0x30
+#define LOWPAN_IPHC_SAM_BIT     4
+#define LOWPAN_IPHC_M           0x08
+#define LOWPAN_IPHC_DAC         0x04
+#define LOWPAN_IPHC_DAM_00      0x00
+#define LOWPAN_IPHC_DAM_01      0x01
+#define LOWPAN_IPHC_DAM_10      0x02
+#define LOWPAN_IPHC_DAM_11      0x03
+#define LOWPAN_IPHC_DAM_BIT     0
+/*
+ * LOWPAN_UDP encoding (works together with IPHC)
+ */
+#define LOWPAN_NHC_UDP_MASK             0xF8
+#define LOWPAN_NHC_UDP_ID               0xF0
+#define LOWPAN_NHC_UDP_CHECKSUMC        0x04
+#define LOWPAN_NHC_UDP_CHECKSUMI        0x00
+/* values for port compression, _with checksum_ ie bit 5 set to 0 */
+#define LOWPAN_NHC_UDP_CS_P_00  0xF0 /* all inline */
+#define LOWPAN_NHC_UDP_CS_P_01  0xF1 /* source 16bit inline,
+                                        dest = 0xF0 + 8 bit inline */
+#define LOWPAN_NHC_UDP_CS_P_10  0xF2 /* source = 0xF0 + 8bit inline,
+                                        dest = 16 bit inline */
+#define LOWPAN_NHC_UDP_CS_P_11  0xF3 /* source & dest = 0xF0B + 4bit inline */
+#endif /* __6LOWPAN_H__ */

diff --git a/net/ieee802154/6lowpan.h b/net/ieee802154/6lowpan.h new file mode 100644 index 000000000000..5d8cf80b930d --- /dev/null +++ b/net/ieee802154/6lowpan.h
@@ -0,0 +1,212 @@
	1	/*
	2	* Copyright 2011, Siemens AG
	3	* written by Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
	4	*/
	5
	6	/*
	7	* Based on patches from Jon Smirl <jonsmirl@gmail.com>
	8	* Copyright (c) 2011 Jon Smirl <jonsmirl@gmail.com>
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License version 2
	12	* as published by the Free Software Foundation.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License along
	20	* with this program; if not, write to the Free Software Foundation, Inc.,
	21	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	22	*/
	23
	24	/* Jon's code is based on 6lowpan implementation for Contiki which is:
	25	* Copyright (c) 2008, Swedish Institute of Computer Science.
	26	* All rights reserved.
	27	*
	28	* Redistribution and use in source and binary forms, with or without
	29	* modification, are permitted provided that the following conditions
	30	* are met:
	31	* 1. Redistributions of source code must retain the above copyright
	32	* notice, this list of conditions and the following disclaimer.
	33	* 2. Redistributions in binary form must reproduce the above copyright
	34	* notice, this list of conditions and the following disclaimer in the
	35	* documentation and/or other materials provided with the distribution.
	36	* 3. Neither the name of the Institute nor the names of its contributors
	37	* may be used to endorse or promote products derived from this software
	38	* without specific prior written permission.
	39	*
	40	* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
	41	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	42	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	43	* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
	44	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	45	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	46	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	47	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	48	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	49	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	50	* SUCH DAMAGE.
	51	*/
	52
	53	#ifndef __6LOWPAN_H__
	54	#define __6LOWPAN_H__
	55
	56	/* need to know address length to manipulate with it */
	57	#define IEEE802154_ALEN 8
	58
	59	#define UIP_802154_SHORTADDR_LEN 2 /* compressed ipv6 address length */
	60	#define UIP_IPH_LEN 40 /* ipv6 fixed header size */
	61	#define UIP_PROTO_UDP 17 /* ipv6 next header value for UDP */
	62	#define UIP_FRAGH_LEN 8 /* ipv6 fragment header size */
	63
	64	/*
	65	* ipv6 address based on mac
	66	* second bit-flip (Universe/Local) is done according RFC2464
	67	*/
	68	#define is_addr_mac_addr_based(a, m) \
	69	((((a)->s6_addr[8]) == (((m)[0]) ^ 0x02)) && \
	70	(((a)->s6_addr[9]) == (m)[1]) && \
	71	(((a)->s6_addr[10]) == (m)[2]) && \
	72	(((a)->s6_addr[11]) == (m)[3]) && \
	73	(((a)->s6_addr[12]) == (m)[4]) && \
	74	(((a)->s6_addr[13]) == (m)[5]) && \
	75	(((a)->s6_addr[14]) == (m)[6]) && \
	76	(((a)->s6_addr[15]) == (m)[7]))
	77
	78	/* ipv6 address is unspecified */
	79	#define is_addr_unspecified(a) \
	80	((((a)->s6_addr32[0]) == 0) && \
	81	(((a)->s6_addr32[1]) == 0) && \
	82	(((a)->s6_addr32[2]) == 0) && \
	83	(((a)->s6_addr32[3]) == 0))
	84
	85	/* compare ipv6 addresses prefixes */
	86	#define ipaddr_prefixcmp(addr1, addr2, length) \
	87	(memcmp(addr1, addr2, length >> 3) == 0)
	88
	89	/* local link, i.e. FE80::/10 */
	90	#define is_addr_link_local(a) (((a)->s6_addr16[0]) == 0x80FE)
	91
	92	/*
	93	* check whether we can compress the IID to 16 bits,
	94	* it's possible for unicast adresses with first 49 bits are zero only.
	95	*/
	96	#define lowpan_is_iid_16_bit_compressable(a) \
	97	((((a)->s6_addr16[4]) == 0) && \
	98	(((a)->s6_addr16[5]) == 0) && \
	99	(((a)->s6_addr16[6]) == 0) && \
	100	((((a)->s6_addr[14]) & 0x80) == 0))
	101
	102	/* multicast address */
	103	#define is_addr_mcast(a) (((a)->s6_addr[0]) == 0xFF)
	104
	105	/* check whether the 112-bit gid of the multicast address is mappable to: */
	106
	107	/* 9 bits, for FF02::1 (all nodes) and FF02::2 (all routers) addresses only. */
	108	#define lowpan_is_mcast_addr_compressable(a) \
	109	((((a)->s6_addr16[1]) == 0) && \
	110	(((a)->s6_addr16[2]) == 0) && \
	111	(((a)->s6_addr16[3]) == 0) && \
	112	(((a)->s6_addr16[4]) == 0) && \
	113	(((a)->s6_addr16[5]) == 0) && \
	114	(((a)->s6_addr16[6]) == 0) && \
	115	(((a)->s6_addr[14]) == 0) && \
	116	((((a)->s6_addr[15]) == 1) \|\| (((a)->s6_addr[15]) == 2)))
	117
	118	/* 48 bits, FFXX::00XX:XXXX:XXXX */
	119	#define lowpan_is_mcast_addr_compressable48(a) \
	120	((((a)->s6_addr16[1]) == 0) && \
	121	(((a)->s6_addr16[2]) == 0) && \
	122	(((a)->s6_addr16[3]) == 0) && \
	123	(((a)->s6_addr16[4]) == 0) && \
	124	(((a)->s6_addr[10]) == 0))
	125
	126	/* 32 bits, FFXX::00XX:XXXX */
	127	#define lowpan_is_mcast_addr_compressable32(a) \
	128	((((a)->s6_addr16[1]) == 0) && \
	129	(((a)->s6_addr16[2]) == 0) && \
	130	(((a)->s6_addr16[3]) == 0) && \
	131	(((a)->s6_addr16[4]) == 0) && \
	132	(((a)->s6_addr16[5]) == 0) && \
	133	(((a)->s6_addr[12]) == 0))
	134
	135	/* 8 bits, FF02::00XX */
	136	#define lowpan_is_mcast_addr_compressable8(a) \
	137	((((a)->s6_addr[1]) == 2) && \
	138	(((a)->s6_addr16[1]) == 0) && \
	139	(((a)->s6_addr16[2]) == 0) && \
	140	(((a)->s6_addr16[3]) == 0) && \
	141	(((a)->s6_addr16[4]) == 0) && \
	142	(((a)->s6_addr16[5]) == 0) && \
	143	(((a)->s6_addr16[6]) == 0) && \
	144	(((a)->s6_addr[14]) == 0))
	145
	146	#define lowpan_is_addr_broadcast(a) \
	147	((((a)[0]) == 0xFF) && \
	148	(((a)[1]) == 0xFF) && \
	149	(((a)[2]) == 0xFF) && \
	150	(((a)[3]) == 0xFF) && \
	151	(((a)[4]) == 0xFF) && \
	152	(((a)[5]) == 0xFF) && \
	153	(((a)[6]) == 0xFF) && \
	154	(((a)[7]) == 0xFF))
	155
	156	#define LOWPAN_DISPATCH_IPV6 0x41 /* 01000001 = 65 */
	157	#define LOWPAN_DISPATCH_HC1 0x42 /* 01000010 = 66 */
	158	#define LOWPAN_DISPATCH_IPHC 0x60 /* 011xxxxx = ... */
	159	#define LOWPAN_DISPATCH_FRAG1 0xc0 /* 11000xxx */
	160	#define LOWPAN_DISPATCH_FRAGN 0xe0 /* 11100xxx */
	161
	162	/*
	163	* Values of fields within the IPHC encoding first byte
	164	* (C stands for compressed and I for inline)
	165	*/
	166	#define LOWPAN_IPHC_TF 0x18
	167
	168	#define LOWPAN_IPHC_FL_C 0x10
	169	#define LOWPAN_IPHC_TC_C 0x08
	170	#define LOWPAN_IPHC_NH_C 0x04
	171	#define LOWPAN_IPHC_TTL_1 0x01
	172	#define LOWPAN_IPHC_TTL_64 0x02
	173	#define LOWPAN_IPHC_TTL_255 0x03
	174	#define LOWPAN_IPHC_TTL_I 0x00
	175
	176
	177	/* Values of fields within the IPHC encoding second byte */
	178	#define LOWPAN_IPHC_CID 0x80
	179
	180	#define LOWPAN_IPHC_SAC 0x40
	181	#define LOWPAN_IPHC_SAM_00 0x00
	182	#define LOWPAN_IPHC_SAM_01 0x10
	183	#define LOWPAN_IPHC_SAM_10 0x20
	184	#define LOWPAN_IPHC_SAM 0x30
	185
	186	#define LOWPAN_IPHC_SAM_BIT 4
	187
	188	#define LOWPAN_IPHC_M 0x08
	189	#define LOWPAN_IPHC_DAC 0x04
	190	#define LOWPAN_IPHC_DAM_00 0x00
	191	#define LOWPAN_IPHC_DAM_01 0x01
	192	#define LOWPAN_IPHC_DAM_10 0x02
	193	#define LOWPAN_IPHC_DAM_11 0x03
	194
	195	#define LOWPAN_IPHC_DAM_BIT 0
	196	/*
	197	* LOWPAN_UDP encoding (works together with IPHC)
	198	*/
	199	#define LOWPAN_NHC_UDP_MASK 0xF8
	200	#define LOWPAN_NHC_UDP_ID 0xF0
	201	#define LOWPAN_NHC_UDP_CHECKSUMC 0x04
	202	#define LOWPAN_NHC_UDP_CHECKSUMI 0x00
	203
	204	/* values for port compression, _with checksum_ ie bit 5 set to 0 */
	205	#define LOWPAN_NHC_UDP_CS_P_00 0xF0 /* all inline */
	206	#define LOWPAN_NHC_UDP_CS_P_01 0xF1 /* source 16bit inline,
	207	dest = 0xF0 + 8 bit inline */
	208	#define LOWPAN_NHC_UDP_CS_P_10 0xF2 /* source = 0xF0 + 8bit inline,
	209	dest = 16 bit inline */
	210	#define LOWPAN_NHC_UDP_CS_P_11 0xF3 /* source & dest = 0xF0B + 4bit inline */
	211
	212	#endif /* __6LOWPAN_H__ */