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sim: add comment/explaination for structure osim_apdu_cmd_hdr

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Kevin Redon 2012-09-11 11:54:52 +02:00 committed by Harald Welte
parent 5985760a61
commit 1707306da5
1 changed files with 6 additions and 5 deletions
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include/osmocom/sim/sim.h
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@ -17,12 +17,13 @@ enum osim_apdu_case {
APDU_CASE_4E /* command header, command data field (extended), response data field (extended) */
};
/* command header, as specified in ISO/IEC 7816-3:2006(E) §12.2 */
struct osim_apdu_cmd_hdr {
uint8_t cla;
uint8_t ins;
uint8_t p1;
uint8_t p2;
uint8_t p3;
uint8_t cla; /* CLASS byte */
uint8_t ins; /* INSTRUCTION byte */
uint8_t p1; /* Parameter 1 byte */
uint8_t p2; /* Parameter 2 byte */
uint8_t p3; /* Parameter 3 byte, used for TPDU */
} __attribute__ ((packed));
#define msgb_apdu_dr(__x)