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More work on CAPWAP VM

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FossilOrigin-Name: 9d9a86d2bafe31253a6f505e874f188792539485bb4462f4d778e6c53ac3000b
This commit is contained in:
7u83@mail.ru
2015-04-05 18:27:17 +00:00
parent ab8128a20f
commit 1158167262
33 changed files with 648 additions and 532 deletions
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123
src/capwap/capwap.h
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@ -34,6 +34,7 @@
#include "conn.h"
#include "lwapp.h"
#include "strheap.h"
/* capwap version and iana number */
#define CW_VERSION 0
@ -83,6 +84,9 @@ enum capwap_states {
#define CWTH_FLAGS_T 0x100 /* bit 8 type of payload frame */
/**
* CAWAP header flags.
*/
#define CW_FLAG_HDR_R1 0x01 /* bit 0 reserved 1 */
#define CW_FLAG_HDR_R2 0x02 /* bit 1 reserved 2 */
#define CW_FLAG_HDR_R3 0x04 /* bit 2 reserved 3 */
@ -521,6 +525,9 @@ extern int cw_readmsg_configuration_update_request(uint8_t * elems, int elems_le
#define cw_put_data lw_put_data
#define cw_put_bstr lw_put_bstr
#define cw_set_dword lw_set_dword
#define cw_get_byte lw_get_byte
#define cw_get_word lw_get_word
#define cw_get_dword lw_get_dword
@ -557,6 +564,36 @@ extern int cw_readmsg_configuration_update_request(uint8_t * elems, int elems_le
#define cw_get_hdr_msg_offset(th) (4*cw_get_hdr_hlen(th))
#define cw_get_hdr_msg_elems_offset(th) (cw_get_hdr_msg_offset(th)+8)
#define cw_set_hdr_preamble(th,v) ((*th)=v)
/**
* Set the HLEN field of a CAWAP Header
* @param th pointer to the header
* @param hlen velue to set (max. 5 bits)
*/
static inline void cw_set_hdr_hlen(uint8_t *th,int hlen){
uint32_t d = cw_get_dword(th);
d &= (0x1f << 19) ^ 0xffffffff;
d |= ((hlen) & 0x1f) <<19;
cw_set_dword(th,d);
}
/**
* Set CAPWAP header flags
* @param th pointer to header
* @param flags list of flags to set or unset
* @param set 1=set flag, 0=unset flag
*/
#define cw_set_hdr_flags(th,flags,set) \
( set ? ((*((uint32_t*)th)) |= htonl(flags)) : ((*((uint32_t*)th)) &= (0xffffffff^htonl(flags))) )
#define cw_set_hdr_flag_f(th,set) cw_set_hdr_flag(th, CW_FLAG_HDR_F)
/* Macros for message headers */
#define cw_get_msg_id(msgptr) (cw_get_dword(msgptr))
#define cw_get_msg_type(msgptr) cw_get_msg_id(msgptr)
@ -565,15 +602,6 @@ extern int cw_readmsg_configuration_update_request(uint8_t * elems, int elems_le
#define cw_get_msg_elems_ptr(msgptr) ((msgptr)+8)
#define cw_set_hdr_preamble(th,v) ((*th)=v)
#define cw_set_hdr_flags(th,val,set) \
( set ? ((*((uint32_t*)th)) |= htonl(val)) : ((*((uint32_t*)th)) &= (0xffffffff^htonl(val))) )
#define cw_set_hdr_flag_f(th,set) cw_set_hdr_flag(th, CW_FLAG_HDR_F)
#define cw_set_msg_id(msgptr,t) cw_put_dword(msgptr,t)
#define cw_set_msg_type(msgptr,t) cw_set_msg_id(msgptr,t)
#define cw_set_msg_seqnum(msgptr,s) cw_put_byte( (msgptr) +4,s);
@ -606,14 +634,14 @@ static inline int cw_get_hdr_msg_total_len(uint8_t * rawmsg)
* @pram e pointer to element (uint8_t*)
* @return type of element
*/
#define cw_get_elem_len(e) cw_get_word(e+2)
#define cw_get_elem_len(e) cw_get_word((e)+2)
/**
* Get a pointer to the data of a CAPWAP message element
* @param e pointer to message element
* @return pointer to data
*/
#define cw_get_elem_data(e) (e+4)
#define cw_get_elem_data(e) ((e)+4)
/**
* Iterate through message elements of a CAPWAP message
@ -770,19 +798,11 @@ extern int cw_send_configuration_update_response(struct conn *conn, int seqnum,
/* Message to text stuff */
struct cw_strlist {
uint32_t id;
const char *str;
};
extern const char *cw_strlist_get_str(struct cw_strlist *s, int id);
/* Constants to string conversion lists */
extern struct cw_strlist capwap_strings_msg[];
extern struct cw_strlist capwap_strings_state[];
extern struct cw_strlist capwap_strings_vendor[];
extern struct cw_strlist capwap_strings_elem[];
extern struct cw_str capwap_strings_msg[];
extern struct cw_str capwap_strings_state[];
extern struct cw_str capwap_strings_vendor[];
extern struct cw_str capwap_strings_elem[];
#define cw_strmsg(id) cw_strlist_get_str(capwap_strings_msg,id)
@ -791,6 +811,13 @@ extern struct cw_strlist capwap_strings_elem[];
#define cw_strvendor(id) cw_strlist_get_str(capwap_strings_vendor,id)
#define cw_strelemp(p,id) cw_strheap_get((p)->strelem,id)
extern const char *cw_strlist_get_str(struct cw_str *s, int id);
int cw_process_msg(struct conn *conn, uint8_t * rawmsg, int len);
@ -806,13 +833,18 @@ extern int cw_in_wtp_descriptor(struct conn *conn, struct cw_action_in *a, uint8
int len);
//extern int cw_out_generic(struct conn *conn,struct cw_action_in * a,uint8_t *data,int len);
extern int cw_out_generic(struct conn *conn, uint32_t elem_id, uint8_t * dst,
struct cw_item *item);
extern int cw_out_ac_descriptor(struct conn *conn, uint32_t elem_id, uint8_t * dst,
struct cw_item *item);
extern int cw_out_capwap_control_ip_addrs(struct conn *conn, uint32_t elem_id,
uint8_t * dst, struct cw_item *item);
extern int cw_out_generic(struct conn *conn, struct cw_action_out *a, uint8_t * dst); //, struct cw_item *item);
//extern int cw_out_ac_descriptor(struct conn *conn, uint32_t elem_id, uint8_t * dst,
//struct cw_item *item);
extern int cw_out_ac_descriptor(struct conn *conn,struct cw_action_out * a,uint8_t *dst); //,struct cw_item * item)
//extern int cw_out_capwap_control_ip_addrs(struct conn *conn, uint32_t elem_id,
// uint8_t * dst, struct cw_item *item);
extern int cw_out_capwap_control_ip_addrs(struct conn *conn,struct cw_action_out *a,uint8_t *dst) ;
extern int cw_put_msg(struct conn *conn, uint8_t * rawout);
struct cw_ac_status {
@ -825,9 +857,42 @@ struct cw_ac_status {
int dtls_policy;
};
/**
* Put an cw_ac_stauts structure to a buffer
* @param dst destination buffer
* @param s #cw_ac_status to put
* @return number of bytes put
* This function is only useful (used) in conjunction with
* putting AC Descriptor message elements.
*/
static inline int cw_put_ac_status(uint8_t *dst, struct cw_ac_status *s){
uint8_t *d=dst;
d += cw_put_dword (d, (s->stations << 16) | (s->limit) );
d += cw_put_dword (d, (s->active_wtps <<16) | (s->max_wtps) );
d += cw_put_dword (d, (s->security<<24) | (s->rmac_field<<16) | (s->dtls_policy));
return d-dst;
}
static inline int cw_put_version(uint8_t *dst,uint16_t subelem_id, uint32_t vendor_id,bstr16_t data)
{
uint8_t *d=dst;
d += cw_put_dword(d,vendor_id);
d += cw_put_dword(d, (subelem_id<<16) | bstr16_len(data));
d += cw_put_data(d,bstr16_data(data),bstr16_len(data));
return d-dst;
}
int cw_register_actions_capwap_ac(struct cw_actiondef *def);
int cw_register_actions_cipwap_ac(struct cw_actiondef *def);
int cw_in_set_state_none(struct conn *conn,struct cw_action_in * a,uint8_t *data,int len);
struct cw_item *cw_out_get_local(struct conn *conn, struct cw_action_out *a);
#endif