original files of m241

components/ip_net2-6.9/iprohc/include/iprohc_constant.h

@@ -0,0 +1,254 @@
+/* iprohc_constant.h - ROHC constants defining head file */
+
+/*
+ * Copyright (c) 2008 Wind River Systems, Inc.
+ *
+ * The right to copy, distribute or otherwise make use of this software
+ * may be licensed only pursuant to the terms of an applicable Wind River
+ * license agreement. No license to Wind River intellectual property rights
+ * is granted herein. All rights not licensed by Wind River are reserved
+ * by Wind River.
+ */
+
+/*
+modification history
+--------------------
+01f,14may10,ggz  Add TCP/IP profile
+01e,22feb10,ggz  Add ESP/IP,UDP/IP profiles
+01d,03jul08,tlu  Add max number of IP extension header
+01c,21may08,tlu  Add more pkt type and define different MAX CID for 
+		 small/large CID
+01b,20may08,tlu  Add incremental constant for WLSB/LSB
+01a,25feb08,tlu  Created.
+*/
+
+#ifndef IPROHC_CONSTANT_H
+#define IPROHC_CONSTANT_H
+
+
+/*
+ ****************************************************************************
+ *                     INCLUDE FILES
+ ****************************************************************************
+ */
+
+
+/*
+ **************************************************************************
+ *                     DEFINES
+ ****************************************************************************
+ */
+
+
+/* Max size of a ROHC package. */
+#define IPROHC_MAX_PKT_SIZE                  1440
+
+/* Max number of ROHC profile IDs.  */ 
+/*   Refer to RFC 3095, section 5.1.2, and RFC 3843, section 3  */
+/*     0 -- uncompressed profile  */
+/*     1 -- RTP/UDP/IP compression profile  */
+/*     2 -- UDP/IP compression profile  */
+/*     3 -- ESP/IP compression profile  */
+/*     4 -- IP compression profile  */
+/*     5 -- LLA IP/UDP/RTP compression profile  */
+/*     6 -- TCP/IP compression profile  */
+#define IPROHC_MIN_PROFILE_ID		     0
+#define IPROHC_MAX_PROFILE_ID		     6
+#define IPROHC_MAX_PROFILE_IDS		     7
+
+/* Max size of a ROHC interface name. */
+#define IPROHC_IF_NAME_MAX		     16
+
+/* Max small CID of ROHC context. */
+#define IPROHC_MAX_SMALL_CID		     15
+
+/* Max large CID of ROHC context. */
+#define IPROHC_MAX_LARGE_CID		     16383
+
+/* IPv4 header size */
+#define IPROHC_IP4_HDR_SIZE                  20
+
+/* IPv6 header size */
+#define IPROHC_IP6_HDR_SIZE		     40
+
+/* Max number of transmitted IR pkts before state changes from IR-->FO/SO */
+#define IPROHC_MAX_IRS			     5
+
+/* Max length of one ROHC feedback buffer. */
+#define IPROHC_MAX_FEEDBCK_BUF               20
+
+/* RFC 3095, 5.3.2.2.3, k_1%n_1 in percentage */
+#define IPROHC_D_FULL_RATIO		     30
+
+/* RFC 3095, 5.3.2.2.3, k_2%n_2 in percentage */
+#define IPROHC_D_STATIC_RATIO		     40
+
+/* Increment value for WLSB/LSB */
+#define IPROHC_LSB_INC			     -1
+
+/* Max number of compressed list items */
+#define IPROHC_MAX_LIST_ITEMS                127
+
+
+/* IPROHC product name */
+#define IPROHC_PRODUCT_NAME		     "WR Robust Header Compression"
+
+
+
+/*
+ *===========================================================================
+ *                     ROHC profile IDs 
+ *===========================================================================
+ */
+
+#define ROHC_PROFILE_UNCOMPRESSED		0
+#define ROHC_PROFILE_RTP_UDP_IP			1
+#define ROHC_PROFILE_UDP_IP			2
+#define ROHC_PROFILE_ESP_IP			3
+#define ROHC_PROFILE_IP				4
+#define ROHC_PROFILE_LLA_IP_UDP_RTP		5
+#define ROHC_PROFILE_TCP_IP			6
+
+
+/*
+ *===========================================================================
+ *                     ROHC modes
+ *===========================================================================
+ *    refer to RFC 3095, section 5.7.6.1, and RFC 3843, section 3.4
+ */
+
+typedef enum
+{
+  ROHC_MODE_C = 0,    /* Used in IR/IR-DYN/UOR-2 to decline a mode transition */
+  ROHC_MODE_U,
+  ROHC_MODE_O,
+  ROHC_MODE_R
+} Iprohc_mode;
+
+
+
+/*
+ *===========================================================================
+ *                     ROHC feedback ACK types
+ *===========================================================================
+ *    refer to RFC 3095, section 5.7.6.1
+ */
+
+typedef enum
+{
+  ROHC_FEEDBACK_ACK = 0,
+  ROHC_FEEDBACK_NACK,
+  ROHC_FEEDBACK_STATIC_NACK
+} Iprohc_feedback_acktype;
+
+
+
+/*
+ *===========================================================================
+ *                     ROHC feedback Options 
+ *===========================================================================
+ *    refer to RFC 3095, section 5.7.6.2, and RFC 3843, section 3.7
+ */
+
+typedef enum
+{
+  ROHC_FEEDBACK_OPT_CRC = 1,
+  ROHC_FEEDBACK_OPT_REJ,
+  ROHC_FEEDBACK_OPT_SN_NOT_VALID,
+  ROHC_FEEDBACK_OPT_SN,
+  ROHC_FEEDBACK_OPT_CLOCK,
+  ROHC_FEEDBACK_OPT_JITTER,
+  ROHC_FEEDBACK_OPT_LOSS,
+  ROHC_FEEDBACK_OPT_NOT_USED,
+  ROHC_FEEDBACK_OPT_CONTEXT_MEMORY
+} Iprohc_feedback_opt;
+
+
+
+/*
+ *===========================================================================
+ *                     ROHC packet type codes 
+ *===========================================================================
+ */
+
+#define ROHC_PKT_NORMAL				3
+#define ROHC_PKT_IPV4			 	4	/* 0100 */
+#define ROHC_PKT_IPV6				6	/* 0110 */
+
+#define ROHC_PKT_COMPRESSED			1
+#define ROHC_PKT_PAD	               	      224	/* 11100000 */
+#define ROHC_PKT_ADD_CID	               14	/* 1110 */
+#define ROHC_PKT_FEEDBACK		       30	/* 11110 */
+#define ROHC_PKT_IR_DYN			      248	/* 11111000 */
+#define ROHC_PKT_IR			      126	/* 1111110 */
+#define ROHC_PKT_SEGMENT		      127	/* 1111111 */
+#define ROHC_PKT_TYPE_0		                0	/* 0 */
+#define ROHC_PKT_TYPE_1		                2	/* 10 */
+#define ROHC_PKT_TYPE_2		                6	/* 110 */
+#define ROHC_PKT_COMP_UNCOMPRESSED		5
+#define ROHC_TCP_PKT_IR 253	                        /* 11111101 */
+
+#define ROHC_TCP_PKT_CO  0x7D     /* '1111101' */
+#define ROHC_TCP_PKT_RND_1   0x2E /* '101110' */ 
+#define ROHC_TCP_PKT_RND_2   0xC  /* '1100' */
+#define ROHC_TCP_PKT_RND_3   0x0  /* '0' */
+#define ROHC_TCP_PKT_RND_4   0xD  /* '1101' */
+#define ROHC_TCP_PKT_RND_5   0x4  /* '100' */
+#define ROHC_TCP_PKT_RND_6   0xA  /* '1010' */
+#define ROHC_TCP_PKT_RND_7   0x2F /* '101111' */
+#define ROHC_TCP_PKT_RND_8   0x16 /* '10110' */
+#define ROHC_TCP_PKT_SEQ_1   0xA  /* '1010' */
+#define ROHC_TCP_PKT_SEQ_2   0x1A /* '11010' */
+#define ROHC_TCP_PKT_SEQ_3   0x9  /* '1001' */
+#define ROHC_TCP_PKT_SEQ_4   0x0  /* '0' */
+#define ROHC_TCP_PKT_SEQ_5   0x8  /* '1000' */ 
+#define ROHC_TCP_PKT_SEQ_6   0x1B /* '11011' */
+#define ROHC_TCP_PKT_SEQ_7   0xC  /* '1100' */
+#define ROHC_TCP_PKT_SEQ_8   0xB  /* '1011' */ 
+#define ROHC_TCP_PKT_NONE    0xFF
+
+
+/*
+ *===========================================================================
+ *                     ROHC packet type shift bits
+ *===========================================================================
+ */
+
+#define ROHC_PKT_IP_SHIFT                       4
+#define ROHC_PKT_ADD_CID_SHIFT	        	4
+#define ROHC_PKT_FEEDBACK_SHIFT                 3
+#define ROHC_PKT_IR_DYN_SHIFT                   0
+#define ROHC_PKT_IR_SHIFT                       1
+#define ROHC_PKT_SEGMENT_SHIFT                  1
+#define ROHC_PKT_TYPE_0_SHIFT		        7
+#define ROHC_PKT_TYPE_1_SHIFT		        6
+#define ROHC_PKT_TYPE_2_SHIFT		        5
+
+
+
+/*
+ *===========================================================================
+ *                     ROHC extension type codes
+ *===========================================================================
+ */
+
+typedef enum
+{
+  ROHC_EXT_NO_EXT = 0,
+  ROHC_EXT_0,
+  ROHC_EXT_1,
+  ROHC_EXT_2,
+  ROHC_EXT_3
+} Iprohc_extension;
+
+
+
+
+#endif   /* #ifndef IPROHC__CONSTANT_H */
+
+/*
+ ****************************************************************************
+ *                     END OF FILE
+ ****************************************************************************
+ */
+