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Commit d8f3637a authored by Jon Grimm's avatar Jon Grimm
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Merge touki.austin.ibm.com:/home/jgrimm/bk/lksctp-2.5 

into touki.austin.ibm.com:/home/jgrimm/bk/lksctp-2.5.work
parents f64d4b67 150d6421
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include/linux/sctp.h
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/* SCTP kernel reference Implementation
* Copyright (c) 1999-2000 Cisco, Inc.
* Copyright (c) 1999-2001 Motorola, Inc.
* Copyright (c) 2001 International Business Machines, Corp.
* Copyright (c) 2001-2002 International Business Machines, Corp.
* Copyright (c) 2001 Intel Corp.
* Copyright (c) 2001 Nokia, Inc.
* Copyright (c) 2001 La Monte H.P. Yarroll
*
*
* This file is part of the SCTP kernel reference Implementation
*
* Various protocol defined structures.
*
* The SCTP reference implementation is free software;
* you can redistribute it and/or modify it under the terms of
*
* Various protocol defined structures.
*
* The SCTP reference implementation is free software;
* you can redistribute it and/or modify it under the terms of
* the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* The SCTP reference implementation is distributed in the hope that it
*
* The SCTP reference implementation 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 GNU CC; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Boston, MA 02111-1307, USA.
*
* Please send any bug reports or fixes you make to the
* email address(es):
* lksctp developers <sctp-developers-list@cig.mot.com>
*
* lksctp developers <lksctp-developerst@lists.sourceforge.net>
*
* Or submit a bug report through the following website:
* http://www.sf.net/projects/lksctp
*
* Written or modified by:
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
* Karl Knutson <karl@athena.chicago.il.us>
* Jon Grimm <jgrimm@us.ibm.com>
......@@ -42,7 +42,7 @@
* randall@sctp.chicago.il.us
* kmorneau@cisco.com
* qxie1@email.mot.com
*
*
* Any bugs reported given to us we will try to fix... any fixes shared will
* be incorporated into the next SCTP release.
*/
......@@ -70,9 +70,9 @@ typedef struct sctp_chunkhdr {
/* Section 3.2. Chunk Type Values.
* [Chunk Type] identifies the type of information contained in the Chunk
* Value field. It takes a value from 0 to 254. The value of 255 is
* reserved for future use as an extension field.
* [Chunk Type] identifies the type of information contained in the Chunk
* Value field. It takes a value from 0 to 254. The value of 255 is
* reserved for future use as an extension field.
*/
typedef enum {
SCTP_CID_DATA = 0,
......@@ -97,7 +97,7 @@ typedef enum {
} sctp_cid_t; /* enum */
/* Section 3.2
/* Section 3.2
* Chunk Types are encoded such that the highest-order two bits specify
* the action that must be taken if the processing endpoint does not
* recognize the Chunk Type.
......@@ -107,7 +107,7 @@ typedef enum {
SCTP_CID_ACTION_DISCARD_ERR = 0x40,
SCTP_CID_ACTION_SKIP = 0x80,
SCTP_CID_ACTION_SKIP_ERR = 0xc0,
} sctp_cid_action_t;
} sctp_cid_action_t;
enum { SCTP_CID_ACTION_MASK = 0xc0, };
......@@ -127,23 +127,23 @@ enum { SCTP_CHUNK_FLAG_T = 0x01 };
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Type = 14 |Reserved |T| Length = 4 |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
*
* Chunk Flags: 8 bits
*
*
* Reserved: 7 bits
* Set to 0 on transmit and ignored on receipt.
*
*
* T bit: 1 bit
* The T bit is set to 0 if the sender had a TCB that it destroyed. If
* the sender did NOT have a TCB it should set this bit to 1.
*
* Note: Special rules apply to this chunk for verification, please
*
* Note: Special rules apply to this chunk for verification, please
* see Section 8.5.1 for details.
*/
#define sctp_test_T_bit(c) ((c)->chunk_hdr->flags & SCTP_CHUNK_FLAG_T)
/* RFC 2960
/* RFC 2960
* Section 3.2.1 Optional/Variable-length Parmaeter Format.
*/
......@@ -167,11 +167,11 @@ typedef enum {
SCTP_PARAM_ECN_CAPABLE = __constant_htons(0x8000),
/* Add-IP Extension. Section 3.2 */
SCTP_PARAM_ADD_IP = __constant_htons(0xc001),
SCTP_PARAM_DEL_IP = __constant_htons(0xc002),
SCTP_PARAM_ERR_CAUSE = __constant_htons(0xc003),
SCTP_PARAM_SET_PRIMARY = __constant_htons(0xc004),
SCTP_PARAM_SUCCESS_REPORT = __constant_htons(0xc005),
SCTP_PARAM_ADD_IP = __constant_htons(0xc001),
SCTP_PARAM_DEL_IP = __constant_htons(0xc002),
SCTP_PARAM_ERR_CAUSE = __constant_htons(0xc003),
SCTP_PARAM_SET_PRIMARY = __constant_htons(0xc004),
SCTP_PARAM_SUCCESS_REPORT = __constant_htons(0xc005),
SCTP_PARAM_ADAPTION_LAYER_IND = __constant_htons(0xc006),
} sctp_param_t; /* enum */
......@@ -188,7 +188,7 @@ typedef enum {
SCTP_PARAM_ACTION_DISCARD_ERR = __constant_htons(0x4000),
SCTP_PARAM_ACTION_SKIP = __constant_htons(0x8000),
SCTP_PARAM_ACTION_SKIP_ERR = __constant_htons(0xc000),
} sctp_param_action_t;
} sctp_param_action_t;
enum { SCTP_PARAM_ACTION_MASK = __constant_htons(0xc000), };
......@@ -215,14 +215,14 @@ enum {
SCTP_DATA_NOT_FRAG = 0x03,
SCTP_DATA_UNORDERED = 0x04,
};
enum { SCTP_DATA_FRAG_MASK = 0x03, };
enum { SCTP_DATA_FRAG_MASK = 0x03, };
/* RFC 2960 Section 3.3.2 Initiation (INIT) (1)
*
* This chunk is used to initiate a SCTP association between two
* endpoints.
*/
*/
typedef struct sctp_inithdr {
__u32 init_tag;
__u32 a_rwnd;
......@@ -249,7 +249,7 @@ typedef struct sctp_ipv6addr_param {
sctp_paramhdr_t param_hdr;
struct in6_addr addr;
} sctp_ipv6addr_param_t __attribute__((packed));
/* Section 3.3.2.1 Cookie Preservative (9) */
typedef struct sctp_cookie_preserve_param {
sctp_paramhdr_t param_hdr;
......@@ -344,8 +344,8 @@ typedef struct sctp_heartbeat_chunk {
sctp_chunkhdr_t chunk_hdr;
sctp_heartbeathdr_t hb_hdr;
} sctp_heartbeat_chunk_t __attribute__((packed));
/* For the abort and shutdown ACK we must carry the init tag in the
* common header. Just the common header is all that is needed with a
* chunk descriptor.
......@@ -366,7 +366,7 @@ struct sctp_shutdown_chunk_t {
sctp_chunkhdr_t chunk_hdr;
sctp_shutdownhdr_t shutdown_hdr;
} __attribute__((packed));
/* RFC 2960. Section 3.3.10 Operation Error (ERROR) (9) */
......@@ -403,9 +403,9 @@ typedef struct sctp_operr_chunk {
*/
typedef enum {
SCTP_ERROR_NO_ERROR = __constant_htons(0x00),
SCTP_ERROR_INV_STRM = __constant_htons(0x01),
SCTP_ERROR_MISS_PARAM = __constant_htons(0x02),
SCTP_ERROR_NO_ERROR = __constant_htons(0x00),
SCTP_ERROR_INV_STRM = __constant_htons(0x01),
SCTP_ERROR_MISS_PARAM = __constant_htons(0x02),
SCTP_ERROR_STALE_COOKIE = __constant_htons(0x03),
SCTP_ERROR_NO_RESOURCE = __constant_htons(0x04),
SCTP_ERROR_DNS_FAILED = __constant_htons(0x05),
......@@ -416,13 +416,15 @@ typedef enum {
SCTP_ERROR_COOKIE_IN_SHUTDOWN = __constant_htons(0x0a),
/* SCTP Implementation Guide:
* 11 Restart of an association with new addresses
* 12 User Initiated Abort
/* SCTP Implementation Guide:
* 11 Restart of an association with new addresses
* 12 User Initiated Abort
* 13 Protocol Violation
*/
SCTP_ERROR_RESTART = __constant_htons(0x0b),
SCTP_ERROR_USER_ABORT = __constant_htons(0x0c),
SCTP_ERROR_PROTO_VIOLATION = __constant_htons(0x0d),
/* ADDIP Section 3.3 New Error Causes
*
......@@ -436,16 +438,16 @@ typedef enum {
* 0x0102 Request to Delete Source IP Address.
* 0x0103 Association Aborted due to illegal ASCONF-ACK
*/
SCTP_ERROR_DEL_LAST_IP = __constant_htons(0x0100),
SCTP_ERROR_RSRC_LOW = __constant_htons(0x0101),
SCTP_ERROR_DEL_SRC_IP = __constant_htons(0x0102),
SCTP_ERROR_DEL_LAST_IP = __constant_htons(0x0100),
SCTP_ERROR_RSRC_LOW = __constant_htons(0x0101),
SCTP_ERROR_DEL_SRC_IP = __constant_htons(0x0102),
SCTP_ERROR_ASCONF_ACK = __constant_htons(0x0103),
} sctp_error_t;
/* RFC 2960. Appendix A. Explicit Congestion Notification.
/* RFC 2960. Appendix A. Explicit Congestion Notification.
* Explicit Congestion Notification Echo (ECNE) (12)
*/
typedef struct sctp_ecnehdr {
......@@ -457,7 +459,7 @@ typedef struct sctp_ecne_chunk {
sctp_ecnehdr_t ence_hdr;
} sctp_ecne_chunk_t __attribute__((packed));
/* RFC 2960. Appendix A. Explicit Congestion Notification.
/* RFC 2960. Appendix A. Explicit Congestion Notification.
* Congestion Window Reduced (CWR) (13)
*/
typedef struct sctp_cwrhdr {
......@@ -478,18 +480,18 @@ typedef struct sctp_cwr_chunk {
/* ADDIP Section 3.1.1
*
*
* ASCONF-Request Correlation ID: 32 bits (unsigned integer)
*
*
* This is an opaque integer assigned by the sender to identify each
* request parameter. It is in host byte order and is only meaningful
* to the sender. The receiver of the ASCONF Chunk will copy this 32
* bit value into the ASCONF Correlation ID field of the
* ASCONF-ACK. The sender of the ASCONF can use this same value in the
* ASCONF-ACK to find which request the response is for.
*
*
* ASCONF Parameter: TLV format
*
*
* Each Address configuration change is represented by a TLV parameter
* as defined in Section 3.2. One or more requests may be present in
* an ASCONF Chunk.
......@@ -502,7 +504,7 @@ typedef struct {
/* ADDIP
* 3.1.1 Address/Stream Configuration Change Chunk (ASCONF)
*
*
* This chunk is used to communicate to the remote endpoint one of the
* configuration change requests that MUST be acknowledged. The
* information carried in the ASCONF Chunk uses the form of a
......@@ -517,18 +519,18 @@ typedef struct {
__u32 addr[4];
sctpAsconfReq_t requests[0];
} sctpAsconf_t;
/* ADDIP
* 3.1.2 Address/Stream Configuration Acknowledgment Chunk (ASCONF-ACK)
*
*
* ASCONF-Request Correlation ID: 32 bits (unsigned integer)
*
*
* This value is copied from the ASCONF Correlation ID received in the
* ASCONF Chunk. It is used by the receiver of the ASCONF-ACK to identify
* which ASCONF parameter this response is associated with.
*
*
* ASCONF Parameter Response : TLV format
*
*
* The ASCONF Parameter Response is used in the ASCONF-ACK to report
* status of ASCONF processing. By default, if a responding endpoint
* does not include any Error Cause, a success is indicated. Thus a
......@@ -555,7 +557,7 @@ typedef union {
/* ADDIP
* 3.1.2 Address/Stream Configuration Acknowledgment Chunk (ASCONF-ACK)
*
*
* This chunk is used by the receiver of an ASCONF Chunk to
* acknowledge the reception. It carries zero or more results for any
* ASCONF Parameters that were processed by the receiver.
......@@ -579,11 +581,8 @@ typedef struct {
struct list_head hook;
int length; /* length of the TLV */
/* the actually TLV to be copied into ASCONF_ACK */
/* the actually TLV to be copied into ASCONF_ACK */
sctpAsconfAckRsp_t TLV;
} sctpAsconfAckRspNode_t;
#endif /* __LINUX_SCTP_H__ */
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