diff options
Diffstat (limited to 'openbsc/include/openbsc/tlv.h')
| -rw-r--r-- | openbsc/include/openbsc/tlv.h | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/openbsc/include/openbsc/tlv.h b/openbsc/include/openbsc/tlv.h deleted file mode 100644 index c90643eed..000000000 --- a/openbsc/include/openbsc/tlv.h +++ /dev/null @@ -1,224 +0,0 @@ -#ifndef _TLV_H -#define _TLV_H - -#include <sys/types.h> -#include <string.h> - -#include <openbsc/msgb.h> - -/* Terminology / wording - tag length value (in bits) - - V - - 8 - LV - 8 N * 8 - TLV 8 8 N * 8 - TL16V 8 16 N * 8 - TLV16 8 8 N * 16 - TvLV 8 8/16 N * 8 - -*/ - -#define LV_GROSS_LEN(x) (x+1) -#define TLV_GROSS_LEN(x) (x+2) -#define TLV16_GROSS_LEN(x) ((2*x)+2) -#define TL16V_GROSS_LEN(x) (x+3) - -#define TVLV_MAX_ONEBYTE 0x7f - -static inline u_int16_t TVLV_GROSS_LEN(u_int16_t len) -{ - if (len <= TVLV_MAX_ONEBYTE) - return TLV_GROSS_LEN(len); - else - return TL16V_GROSS_LEN(len); -} - -/* TLV generation */ - -static inline u_int8_t *lv_put(u_int8_t *buf, u_int8_t len, - const u_int8_t *val) -{ - *buf++ = len; - memcpy(buf, val, len); - return buf + len; -} - -static inline u_int8_t *tlv_put(u_int8_t *buf, u_int8_t tag, u_int8_t len, - const u_int8_t *val) -{ - *buf++ = tag; - *buf++ = len; - memcpy(buf, val, len); - return buf + len; -} - -static inline u_int8_t *tlv16_put(u_int8_t *buf, u_int8_t tag, u_int8_t len, - const u_int16_t *val) -{ - *buf++ = tag; - *buf++ = len; - memcpy(buf, val, len*2); - return buf + len*2; -} - -static inline u_int8_t *tl16v_put(u_int8_t *buf, u_int8_t tag, u_int16_t len, - const u_int8_t *val) -{ - *buf++ = tag; - *buf++ = len >> 8; - *buf++ = len & 0xff; - memcpy(buf, val, len); - return buf + len*2; -} - -static inline u_int8_t *tvlv_put(u_int8_t *buf, u_int8_t tag, u_int16_t len, - const u_int8_t *val) -{ - u_int8_t *ret; - - if (len <= TVLV_MAX_ONEBYTE) { - ret = tlv_put(buf, tag, len, val); - buf[1] |= 0x80; - } else - ret = tl16v_put(buf, tag, len, val); - - return ret; -} - -static inline u_int8_t *msgb_tlv16_put(struct msgb *msg, u_int8_t tag, u_int8_t len, const u_int16_t *val) -{ - u_int8_t *buf = msgb_put(msg, TLV16_GROSS_LEN(len)); - return tlv16_put(buf, tag, len, val); -} - -static inline u_int8_t *msgb_tl16v_put(struct msgb *msg, u_int8_t tag, u_int16_t len, - const u_int8_t *val) -{ - u_int8_t *buf = msgb_put(msg, TL16V_GROSS_LEN(len)); - return tl16v_put(buf, tag, len, val); -} - -static inline u_int8_t *msgb_tvlv_put(struct msgb *msg, u_int8_t tag, u_int16_t len, - const u_int8_t *val) -{ - u_int8_t *buf = msgb_put(msg, TVLV_GROSS_LEN(len)); - return tvlv_put(buf, tag, len, val); -} - -static inline u_int8_t *v_put(u_int8_t *buf, u_int8_t val) -{ - *buf++ = val; - return buf; -} - -static inline u_int8_t *tv_put(u_int8_t *buf, u_int8_t tag, - u_int8_t val) -{ - *buf++ = tag; - *buf++ = val; - return buf; -} - -/* 'val' is still in host byte order! */ -static inline u_int8_t *tv16_put(u_int8_t *buf, u_int8_t tag, - u_int16_t val) -{ - *buf++ = tag; - *buf++ = val >> 8; - *buf++ = val & 0xff; - return buf; -} - -static inline u_int8_t *msgb_lv_put(struct msgb *msg, u_int8_t len, const u_int8_t *val) -{ - u_int8_t *buf = msgb_put(msg, LV_GROSS_LEN(len)); - return lv_put(buf, len, val); -} - -static inline u_int8_t *msgb_tlv_put(struct msgb *msg, u_int8_t tag, u_int8_t len, const u_int8_t *val) -{ - u_int8_t *buf = msgb_put(msg, TLV_GROSS_LEN(len)); - return tlv_put(buf, tag, len, val); -} - -static inline u_int8_t *msgb_tv_put(struct msgb *msg, u_int8_t tag, u_int8_t val) -{ - u_int8_t *buf = msgb_put(msg, 2); - return tv_put(buf, tag, val); -} - -static inline u_int8_t *msgb_v_put(struct msgb *msg, u_int8_t val) -{ - u_int8_t *buf = msgb_put(msg, 1); - return v_put(buf, val); -} - -static inline u_int8_t *msgb_tv16_put(struct msgb *msg, u_int8_t tag, u_int16_t val) -{ - u_int8_t *buf = msgb_put(msg, 3); - return tv16_put(buf, tag, val); -} - -static inline u_int8_t *msgb_tlv_push(struct msgb *msg, u_int8_t tag, u_int8_t len, const u_int8_t *val) -{ - u_int8_t *buf = msgb_push(msg, TLV_GROSS_LEN(len)); - return tlv_put(buf, tag, len, val); -} - -static inline u_int8_t *msgb_tv_push(struct msgb *msg, u_int8_t tag, u_int8_t val) -{ - u_int8_t *buf = msgb_push(msg, 2); - return tv_put(buf, tag, val); -} - -static inline u_int8_t *msgb_tv16_push(struct msgb *msg, u_int8_t tag, u_int16_t val) -{ - u_int8_t *buf = msgb_push(msg, 3); - return tv16_put(buf, tag, val); -} - -/* TLV parsing */ - -struct tlv_p_entry { - u_int16_t len; - const u_int8_t *val; -}; - -enum tlv_type { - TLV_TYPE_NONE, - TLV_TYPE_FIXED, - TLV_TYPE_T, - TLV_TYPE_TV, - TLV_TYPE_TLV, - TLV_TYPE_TL16V, - TLV_TYPE_TvLV, -}; - -struct tlv_def { - enum tlv_type type; - u_int8_t fixed_len; -}; - -struct tlv_definition { - struct tlv_def def[0xff]; -}; - -struct tlv_parsed { - struct tlv_p_entry lv[0xff]; -}; - -extern struct tlv_definition tvlv_att_def; - -int tlv_parse_one(u_int8_t *o_tag, u_int16_t *o_len, const u_int8_t **o_val, - const struct tlv_definition *def, - const u_int8_t *buf, int buf_len); -int tlv_parse(struct tlv_parsed *dec, const struct tlv_definition *def, - const u_int8_t *buf, int buf_len, u_int8_t lv_tag, u_int8_t lv_tag2); -/* take a master (src) tlvdev and fill up all empty slots in 'dst' */ -void tlv_def_patch(struct tlv_definition *dst, const struct tlv_definition *src); - -#define TLVP_PRESENT(x, y) ((x)->lv[y].val) -#define TLVP_LEN(x, y) (x)->lv[y].len -#define TLVP_VAL(x, y) (x)->lv[y].val - -#endif /* _TLV_H */ |