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@ -39,7 +39,7 @@ |
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#include "lwapp.h" |
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#include "strlist.h" |
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#include "cw.h" |
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//#include "cw.h"
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/* capwap version and iana number */ |
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@ -525,285 +525,6 @@ extern int cw_readmsg_configuration_update_request(uint8_t * elems, int elems_le |
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/* Use some macros from LWAPP */ |
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/*
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#define cw_put_byte lw_put_byte |
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#define cw_put_word lw_put_word |
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#define cw_put_dword lw_put_dword |
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#define cw_put_data lw_put_data |
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#define cw_put_bstr lw_put_bstr |
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#define cw_put_bstr16 lw_put_bstr16 |
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#define cw_set_dword lw_set_dword |
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#define cw_get_byte lw_get_byte |
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#define cw_get_word lw_get_word |
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#define cw_get_dword lw_get_dword |
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*/ |
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/* macro to isolate bits from a dword */ |
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#define cw_get_dword_bits(src,start,len) ((~(0xFFFFFFFF<<len)) & (src >> (32 - start - len))) |
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/* macros to acces transport header values */ |
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#define cw_get_hdr_preamble(th) (th[0]) |
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#define cw_get_hdr_fragid(th) ((ntohl((((uint32_t*)th)[1]) >> 16) & 0xffff)) |
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#define cw_get_hdr_fragoffset(th) ((ntohl((((uint32_t*)th)[1]) >> 3) & 0x1fff)) |
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#define cw_get_hdr_rid(th) ((ntohl((((uint32_t*)th)[0]) >> 14) & 0x1f)) |
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#define cw_get_hdr_wbid(th) ((ntohl(((uint32_t*)th)[0]) >> 9) & 0x1f) |
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#define cw_get_hdr_hlen(th) ((ntohl(((uint32_t*)th)[0]) >> 19) & 0x1f) |
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#define cw_get_hdr_rmac(th) (th+8) |
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#define cw_get_hdr_rmac_len(th) (*(th+8)) |
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#define cw_get_hdr_rmac_size(th) cw_get_hdr_rmac_len(th) |
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#define cw_get_hdr_rmac_data(th) (th+9) |
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#define cw_get_hdr_flag_r1(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_R1 ) ? 1:0) |
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#define cw_get_hdr_flag_r2(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_R2 ) ? 1:0) |
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#define cw_get_hdr_flag_r3(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_R3 ) ? 1:0) |
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#define cw_get_hdr_flag_k(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_K ) ? 1:0) |
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#define cw_get_hdr_flag_m(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_M ) ? 1:0) |
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#define cw_get_hdr_flag_w(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_W ) ? 1:0) |
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#define cw_get_hdr_flag_l(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_L ) ? 1:0) |
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#define cw_get_hdr_flag_f(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_F ) ? 1:0) |
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#define cw_get_hdr_flag_t(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_T ) ? 1:0) |
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#define cw_get_hdr_msg_offset(th) (4*cw_get_hdr_hlen(th)) |
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#define cw_get_hdr_msg_elems_offset(th) (cw_get_hdr_msg_offset(th)+8) |
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#define cw_set_hdr_preamble(th,v) ((*th)=v) |
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/**
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* Set the HLEN field of a CAWAP Header |
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* @param th pointer to the header |
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* @param hlen value to set (Header Length) |
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*/ |
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static inline void cw_set_hdr_hlen(uint8_t * th, int hlen) |
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{ |
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uint32_t d = cw_get_dword(th); |
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d &= (0x1f << 19) ^ 0xffffffff; |
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d |= ((hlen) & 0x1f) << 19; |
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cw_set_dword(th, d); |
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} |
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/**
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* Set the WBID field of a CAWAP Header |
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* @param th pointer to the header |
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* @param wbid value to set (Wireless ID) |
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*/ |
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static inline void cw_set_hdr_wbid(uint8_t * th, int wbid) |
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{ |
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uint32_t d = cw_get_dword(th); |
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d &= (0x1f << 9) ^ 0xffffffff; |
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d |= ((wbid) & 0x1f) << 9; |
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cw_set_dword(th, d); |
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} |
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/**
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* Set the RID field of a CAWAP Header |
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* @param th pointer to the header |
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* @param rid value to set (Radio ID) |
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*/ |
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static inline void cw_set_hdr_rid(uint8_t * th, int rid) |
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{ |
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uint32_t d = cw_get_dword(th); |
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d &= (0x1f << 14) ^ 0xffffffff; |
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d |= ((rid) & 0x1f) << 14; |
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cw_set_dword(th, d); |
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} |
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/**
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* Set CAPWAP header flags |
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* @param th pointer to header |
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* @param flags list of flags to set or unset |
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* @param set 1=set flag, 0=unset flag |
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*/ |
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#define cw_set_hdr_flags(th,flags,set) \ |
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( set ? ((*((uint32_t*)th)) |= htonl(flags)) : ((*((uint32_t*)th)) &= (0xffffffff^htonl(flags))) ) |
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#define cw_set_hdr_flag_f(th,set) cw_set_hdr_flag(th, CW_FLAG_HDR_F) |
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/* Macros for message headers */ |
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#define cw_get_msg_id(msgptr) (cw_get_dword(msgptr)) |
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#define cw_get_msg_type(msgptr) cw_get_msg_id(msgptr) |
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#define cw_get_msg_seqnum(msgptr) cw_get_byte( (msgptr) +4 ) |
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#define cw_get_msg_elems_len(msgptr) ( cw_get_word( (msgptr) +5 )-3) |
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#define cw_get_msg_elems_ptr(msgptr) ((msgptr)+8) |
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#define cw_set_msg_id(msgptr,t) cw_put_dword(msgptr,t) |
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#define cw_set_msg_type(msgptr,t) cw_set_msg_id(msgptr,t) |
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#define cw_set_msg_seqnum(msgptr,s) cw_put_byte( (msgptr) +4,s); |
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#define cw_set_msg_elems_len(msgptr,n) (cw_put_word((msgptr)+5,((n)+3))) |
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#define cw_set_msg_flags(msgptr,f) (cw_put_byte( (msgptr)+7,f)) |
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static inline uint8_t *cw_get_hdr_msg_elems_ptr(uint8_t * m) |
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{ |
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return cw_get_msg_elems_ptr(m + cw_get_hdr_msg_offset(m)); |
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} |
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static inline uint8_t *cw_get_hdr_msg_ptr(uint8_t * rawmsg) |
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{ |
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return rawmsg + cw_get_hdr_msg_offset(rawmsg); |
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} |
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#define cw_get_hdr_msg_id(ptr)\ |
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cw_get_msg_id(cw_get_hdr_msg_ptr(ptr)) |
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#define cw_get_hdr_msg_type cw_get_hdr_msg_id |
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static inline int cw_get_hdr_msg_total_len(uint8_t * rawmsg) |
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{ |
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int offset = cw_get_hdr_msg_offset(rawmsg); |
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return offset + cw_get_msg_elems_len(rawmsg + offset) + 8; |
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} |
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static inline int cw_set_hdr_rmac(uint8_t * th,bstr_t rmac) |
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{ |
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if (!rmac){ |
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cw_set_hdr_flags(th,CW_FLAG_HDR_M,0); |
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cw_set_hdr_hlen(th, 2); |
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return 0; |
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} |
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int rmac_len = bstr_len(rmac); |
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memcpy(cw_get_hdr_rmac(th),rmac,rmac_len+1); |
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cw_set_hdr_flags(th,CW_FLAG_HDR_M,1); |
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int hlen = 4+rmac_len/4; |
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if (rmac_len %4 != 0) { |
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hlen++; |
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} |
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cw_set_hdr_hlen(th,hlen); |
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return 1; |
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} |
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/**
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* Get length of a CAPWAP message elemet
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* @param e pointer to element (uint8_t*) |
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* @return length of element |
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*/ |
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#define cw_get_elem_type(e) cw_get_word(e) |
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#define cw_get_elem_id(e) cw_get_elem_type(e) |
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/**
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* Get type of a CAPWAP message element |
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* @pram e pointer to element (uint8_t*) |
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* @return type of element |
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*/ |
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#define cw_get_elem_len(e) cw_get_word((e)+2) |
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/**
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* Get a pointer to the data of a CAPWAP message element
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* @param e pointer to message element
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* @return pointer to data |
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*/ |
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#define cw_get_elem_data(e) ((e)+4) |
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/**
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* Iterate through message elements of a CAPWAP message |
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* @param i iterator witch points to the current element (uint8_t*) |
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* @param elems pointer to message elements (uint8_t*) |
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* @param len length of message element buffer |
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*
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* You can use this macro like a for loop. |
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*
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* uint8_t * i |
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* cw_foreach_elem(i,elem,len){ |
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* ... |
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* print_message(i); |
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* ... |
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* } |
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*/ |
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#define cw_foreach_elem(i,elems,len) for(i=elems; i<elems+len; i=i+4+cw_get_elem_len(i)) |
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/**
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* Put a message element header to buffer |
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* @param dst pointer to buffer (uint8_t) |
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* @param type tpe of message element |
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* @param len length of message element data |
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* @return the number bytes put (always 4) |
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*/ |
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#define cw_put_elem_hdr(dst,type,len) \ |
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(cw_put_dword(dst, (((uint32_t)type)<<16) | (len)),4) |
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/**
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* Put a message element header for a message to contain a vendor specific payload |
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* @param dst pointer to destination buffer |
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* @param vendorid vendorid |
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* @param elemid element id of vendor specific data |
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* @len length of vendor specific data
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* @return the number of bytes put (always 10) |
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*/ |
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static inline int cw_put_elem_vendor_hdr(uint8_t * dst, uint32_t vendorid, |
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uint16_t elemid, uint16_t len) |
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{ |
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cw_put_elem_hdr(dst, CW_ELEM_VENDOR_SPECIFIC_PAYLOAD, len + 6); |
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cw_put_dword(dst + 4, vendorid); |
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cw_put_word(dst + 8, elemid); |
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return 10; |
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} |
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#define cw_put_sockaddr lw_put_sockaddr |
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int cw_put_image_data(uint8_t *dst,FILE *infile); |
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/**
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* Add a message element to a buffer |
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* @param dst pointer to buffer |
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* @type message element type |
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* @data pointer to data |
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* @length of message element
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* @return the number of bytes put |
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*/ |
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static inline int cw_addelem(uint8_t * dst, uint16_t type, uint8_t * data, uint16_t len) |
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{ |
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int l = cw_put_elem_hdr(dst, type, len); |
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return l + cw_put_data(dst + l, data, len); |
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} |
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static inline int cw_addelem_bstr(uint8_t * dst, uint16_t type, const bstr_t bstr) |
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{ |
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return cw_addelem(dst, type, bstr_data(bstr), bstr_len(bstr)); |
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} |
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static inline int cw_put_elem_result_code(uint8_t * dst, uint32_t code) |
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{ |
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cw_put_dword(dst + 4, code); |
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return 4 + cw_put_elem_hdr(dst, CW_ELEM_RESULT_CODE, 4); |
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} |
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/*
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static inline int cw_addelem_radio_operational_state(uint8_t * dst, struct radioinfo *ri) |
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@ -852,11 +573,7 @@ extern int cw_send_configuration_update_response(struct conn *conn, int seqnum, |
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struct radioinfo *radioinfo); |
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*/ |
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//#define cw_addelem_ac_name(dst,name) \
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// cw_addelem(dst,CW_ELEM_AC_NAME,name,strlen((char*)(name)))
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//#define cw_addelem_session_id(dst,sessid)\
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// cw_addelem_bstr(dst,CW_ELEM_SESSION_ID,sessid)
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@ -984,24 +701,31 @@ struct cw_ac_status { |
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}; |
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/**
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* Put an cw_ac_stauts structure to a buffer |
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* @param dst destination buffer |
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* @param s #cw_ac_status to put |
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* @return number of bytes put |
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* This function is only useful (used) in conjunction with
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* putting AC Descriptor message elements. |
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*@defgroup CAPWAP CAPWAP |
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*@{ |
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*/ |
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static inline int cw_put_ac_status(uint8_t * dst, struct cw_ac_status *s) |
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{ |
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uint8_t *d = dst; |
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d += cw_put_dword(d, (s->stations << 16) | (s->limit)); |
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d += cw_put_dword(d, (s->active_wtps << 16) | (s->max_wtps)); |
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d += cw_put_dword(d, |
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(s->security << 24) | (s->rmac_field << 16) | (s->dtls_policy)); |
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return d - dst; |
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} |
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/**
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* CAWAP States |
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*/ |
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enum capwap_states { |
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CW_STATE_NONE = 0, |
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/** Discovery State */ |
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CW_STATE_DISCOVERY, |
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/** Join State */ |
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CW_STATE_JOIN, |
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/** Config State */ |
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CW_STATE_CONFIGURE, |
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/** Image Data Upload */ |
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CW_STATE_IMAGE_DATA, |
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CW_STATE_UPDATE, |
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/** Run State */ |
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CW_STATE_RUN |
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}; |
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/**
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*@} |
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*/ |
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7u83@mail.ru
8 years ago