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actube/src/capwap/capwap.h

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/*
This file is part of libcapwap.
libcapwap 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 3 of the License, or
(at your option) any later version.
libcapwap 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __CAPWAP_H
#define __CAPWAP_H
#include <stdint.h>
#include <arpa/inet.h>
#include "conn.h"
/* capwap version and iana number */
#define CW_VERSION 0
#define CWIANA_ENTERPRISE_NUMBER 0 /* for capwap base the number */
/* ports */
#define CAPWAP_CONTROL_PORT 5246
#define CAPWAP_CONTROL_PORT_STR "5246"
/* transport header flags */
#define CWTH_FLAGS_R1 0x01 /* bit 0 reserved 1 */
#define CWTH_FLAGS_R2 0x02 /* bit 1 reserved 2 */
#define CWTH_FLAGS_R3 0x04 /* bit 2 reserved 3 */
#define CWTH_FLAGS_K 0x08 /* bit 3 Keep alive flag */
#define CWTH_FLAGS_M 0x10 /* bit 4 MAC Adress field present*/
#define CWTH_FLAGS_W 0x20 /* bit 5 wireless info present */
#define CWTH_FLAGS_L 0x40 /* bit 6 last fragment */
#define CWTH_FLAGS_F 0x80 /* bit 7 fragment */
#define CWTH_FLAGS_T 0x100 /* bit 8 type of payload frame */
/* wireless binding ids */
#define CWTH_WBID_RESERVED1 0
#define CWTH_WBID_IEEE80211 1
#define CWTH_WBID_RESERVED2 2
#define CWTH_WBID_EPCGLOBAL 3
/* generic macroto to isolate bits from a dword */
#define CW_GET_DWORD_BITS(src,start,len) ((~(0xFFFFFFFF<<len)) & (src >> (32 - start - len)))
/* macros to acces transport header values */
#define CWTH_GET_PREAMBLE(th) (th[0])
//(ntohl(((uint32_t*)th)[0]) >> 24)
#define CWTH_GET_FRAGID(th) ((ntohl((((uint32_t*)th)[1]) >> 16) & 0xffff))
#define CWTH_GET_FRAGOFFSET(th) ((ntohl((((uint32_t*)th)[1]) >> 3) & 0x1fff))
#define CWTH_GET_RID(th) ((ntohl((((uint32_t*)th)[0]) >> 14) & 0x1f))
#define CWTH_GET_WBID(th) ((ntohl(((uint32_t*)th)[0]) >> 9) & 0x1f)
#define CWTH_GET_HLEN(th) ((ntohl(((uint32_t*)th)[0]) >> 19) & 0x1f)
#define CAPWAP_PACKET_PREAMBLE (CW_VERSION<<4)
#define CAPWAP_DTLS_PACKET_PREAMBLE (CW_VERSION<<4|1)
/*
* control header stuff
*/
struct capwap_ctrlhdr
{
int msgtype;
int seqnum;
int flags;
uint8_t * msgelems;
int msgelemslen;
};
//extern int capwap_parse_trnsprthdr(struct capwap_trnsprthdr * cwh,uint8_t *msg, int msglen);
//extern int capwap_parse_ctrlhdr(struct capwap_ctrlhdr * ch,uint8_t * msg, int len);
/* CAPWAP message types as defined in RFC 5416 */
#define CWMSG_DISCOVERY_REQUEST 1 + CWIANA_ENTERPRISE_NUMBER*256
#define CWMSG_DISCOVERY_RESPONSE 2 + CWIANA_ENTERPRISE_NUMBER*256
#define CWMSG_JOIN_REQUEST 3 + CWIANA_ENTERPRISE_NUMBER*256
#define CWMSG_JOIN_RESPONSE 4 + CWIANA_ENTERPRISE_NUMBER*256
/* Configuration Status Request 5
Configuration Status Response 6
Configuration Update Request 7
Configuration Update Response 8
WTP Event Request 9
WTP Event Response 10
Change State Event Request 11
Change State Event Response 12
*/
#define CWMSG_ECHO_REQUEST 13 + CWIANA_ENTERPRISE_NUMBER*256
#define CWMSG_ECHO_RESPONSE 14 + CWIANA_ENTERPRISE_NUMBER*256
/* Image Data Request 15
Image Data Response 16
*/
#define CWMSG_RESET_REQUEST 17 + CWIANA_ENTERPRISE_NUMBER*256
#define CWMSG_RESET_RESPONSE 18 + CWIANA_ENTERPRISE_NUMBER*256
/*
Reset Request 17
Reset Response 18
*/
#define CWMSG_PRIMARY_DISCOVERY_REQUEST 19 + CWIANA_ENTERPRISE_NUMBER*256
#define CWMSG_PRIMARY_DISCOVERY_RESPONSE 20 + CWIANA_ENTERPRISE_NUMBER*256
/* Data Transfer Request 21
Data Transfer Response 22
Clear Configuration Request 23
Clear Configuration Response 24
Station Configuration Request 25
Station Configuration Response 26
*/
#define CWMSG_MAXMSG 26 + CWIANA_ENTERPRISE_NUMBER*256
/*
* CAPWAP message elements as defined in RFC 5416
*/
#define CWMSGELEM_AC_DESCRIPTOR 1
/* AC IPv4 List 2
AC IPv6 List 3
*/
#define CWMSGELEM_AC_NAME 4
/*
AC Name with Priority 5
AC Timestamp 6
Add MAC ACL Entry 7
Add Station 8
Reserved 9
*/
#define CWMSGELEM_CONTROL_IPV4_ADDRESS 10
#define CWMSGELEM_CONTROL_IPV6_ADDRESS 11
#define CWMSGELEM_CAPWAP_LOCAL_IPV4_ADDRESS 30
#define CWMSGELEM_CAPWAP_LOCAL_IPV6_ADDRESS 50
/* CAPWAP Timers 12
CAPWAP Transport Protocol 51
Data Transfer Data 13
Data Transfer Mode 14
Decryption Error Report 15
Decryption Error Report Period 16
Delete MAC ACL Entry 17
Delete Station 18
Reserved 19
*/
#define CWMSGELEM_DISCOVERY_TYPE 20
/*
Duplicate IPv4 Address 21
Duplicate IPv6 Address 22
*/
#define CWMSGELEM_ECN_SUPPORT 53
/* Idle Timeout 23
Image Data 24
Image Identifier 25
Image Information 26
Initiate Download 27
*/
#define CWMSGELEM_LOCATION_DATA 28
#define CWMSGELEM_MAXIMUM_MESSAGE_LENGTH 29
#define CWMSGELEM_MTU_DISCOVERY_PADDING 52
/* Radio Administrative State 31
Radio Operational State 32
*/
#define CWMSGELEM_RESULT_CODE 33
/* Returned Message Element 34
*/
#define CWMSGELEM_SESSION_ID 35
/* Statistics Timer 36
Vendor Specific Payload 37
*/
#define CWMSGELEM_WTP_BOARD_DATA 38
#define CWMSGELEM_WTP_DESCRIPTOR 39
/* WTP Fallback 40
*/
#define CWMSGELEM_WTP_FRAME_TUNNEL_MODE 41
/*
Reserved 42
*/
/*
Reserved 43
*/
#define CWMSGELEM_WTP_MAC_TYPE 44
#define CWMSGELEM_WTP_NAME 45
/*
Unused/Reserved 46
WTP Radio Statistics 47
WTP Reboot Statistics 48
WTP Static IP Address Information 49
*/
/* wtp board data subelements */
#define CWBOARDDATA_MODELNO 0
#define CWBOARDDATA_SERIALNO 1
#define CWBOARDDATA_BOARDID 2
#define CWBOARDDATA_REVISION 3
#define CWBOARDDATA_MACADDRESS 4
/* */
#define CWACSECURITY_FLAGS_R 1 /* Reserved */
#define CWACSECURITY_FLAGS_S 2 /* DTLS psk */
#define CWACSECURITY_FLAGS_X 4 /* X.509 */
#define CWMSGSUBELEM_WTP_DESCRIPTOR_HARDWARE_VERSION 0
#define CWMSGSUBELEM_WTP_DESCRIPTOR_SOFTWARE_VERSION 1
#define CWMSGSUBELEM_WTP_DESCRIPTOR_BOOTLOADER_VERSION 2
#define CWMSGSUBELEM_WTP_DESCRIPTOR_OTHERSOFTWARE_VERSION 3
#include "wtpinfo.h"
#include "acinfo.h"
/* Frame tunnnel mode bits */
#define WTP_FRAME_TUNNEL_MODE_R 1 /* Reserved */
#define WTP_FRAME_TUNNEL_MODE_L 2 /* Local bridging */
#define WTP_FRAME_TUNNEL_MODE_E 4 /* 802.3 mode */
#define WTP_FRAME_TUNNEL_MODE_N 8 /* native mode */
#include "radioinfo.h"
#include "wtpinfo.h"
#define CW_DISCOVERY_TYPE_UNKNOWN 0
#define CW_DISCOVERY_TYPE_STATIC 1
#define CW_DISCOVERY_TYPE_DHCP 2
#define CW_DISCOVERY_TYPE_DNS 3
#define CW_DISCOVERY_TYPE_AC_REFERRAL 4
/* wtpinfo methods */
extern void wtpinfo_set_location(struct wtpinfo * wtpinfo, uint8_t * str, int len);
extern int wtpinfo_set_radioinfo(struct wtpinfo * wtpinfo,uint8_t *msgelem, int len);
#define CWRADIO_TYPE_B 1
#define CWRADIO_TYPE_A 2
#define CWRADIO_TYPE_G 4
#define CWRADIO_TYPE_N 8
/* wtp mac types */
#define WTP_MAC_TYPE_LOCAL 0
#define WTP_MAC_TYPE_SPLIT 1
#define WTP_MAC_TYPE_BOTH 2
//#define CWMSG_MAX_SIZE 65536
#define CWMSG_MAX_SIZE 2048
/* capwap timer default values */
#define CAPWAP_DISCOVERY_INTERVAL 5
#define CAPWAP_MAX_DISCOVERY_INTERVAL 20
#define CAPWAP_RETRANSMIT_INTERVAL 3
#define CAPWAP_MAX_DISCOVERIES 10
#define CAPWAP_MAX_RETRANSMIT 5
#define CAPWAP_SILENT_INTERVAL 30
#define CAPWAP_ECHO_INTERVAL 30
#define CAPWAP_CIPHER "PSK-AES128-CBC-SHA"
/* AC descriptor security flags */
#define AC_SECURITY_X 2 /* X.509 */
#define AC_SECURITY_S 4 /* PSK support */
/* AC dtls policy flags */
#define AC_DTLS_POLICY_C 2 /* Clear data channel support */
#define AC_DTLS_POLICY_D 4 /* DTLS Data channel support */
extern void cwmsg_addelem_wtp_descriptor(struct cwmsg * cwmsg, struct wtpinfo * wtpinfo);
extern void cwmsg_addelem_ctrl_ip_addrs(struct cwmsg *msg, struct ac_info *acinfo);
extern void cwmsg_addelem_wtp_board_data(struct cwmsg * cwmsg, struct wtpinfo * wtpinfo);
extern void cwmsg_addelem_cw_local_ip_addr(struct cwmsg *msg, struct conn * conn);
extern void cwmsg_addelem_wtp_radio_infos(struct cwmsg * cwmsg,struct wtpinfo * wtpinfo);
extern void cwmsg_addelem_result_code(struct cwmsg *msg,int rc);
//extern void cwsend_discovery_reponse(struct conn * conn, struct ac_info * acinfo);
//extern int process_msgelems(uint8_t * msgelems, int len,
// int (*callback)(void*,int,uint8_t*,int),void *arg );
//void cwsend_discovery_response(struct conn * conn,int seqnum, struct radioinfo * radioinfo, struct ac_info * acinfo, struct wtpinfo * wtpinfo);
//
extern void cwsend_discovery_response(struct conn * conn,int seqnum, struct radioinfo * radioinfo, struct ac_info * acinfo, struct wtpinfo * wtpinfo);
extern int cwsend_discovery_request(struct conn * conn,struct radioinfo * radioinfo,struct wtpinfo * wtpinfo);
extern void cwsend_join_response(struct conn * conn,int seqnum, int rc, struct radioinfo * radioinfo, struct ac_info * acinfo, struct wtpinfo * wtpinfo);
extern void process_discovery_request(struct wtpinfo * wtpinfo, uint8_t * msg, int len);
extern void process_join_request(struct wtpinfo * wtpinfo, uint8_t * msg, int len);
void cwread_discovery_response(struct ac_info * acinfo, uint8_t * msg, int len);
#endif
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