static int print_radiotap_field(struct smartconfig *sc, struct cpack_state *s,
uint32_t bit, uint8_t * flagsp, uint32_t presentflags, uint16_t * channel)
{
int rc;
switch (bit) {
case IEEE80211_RADIOTAP_TSFT:{
uint64_t tsft;
rc = cpack_uint64(s, &tsft);
if (rc != 0)
goto trunc;
break;
}
case IEEE80211_RADIOTAP_FLAGS:{
uint8_t flagsval;
rc = cpack_uint8(s, &flagsval);
if (rc != 0)
goto trunc;
*flagsp = flagsval;
break;
}
case IEEE80211_RADIOTAP_RATE:{
uint8_t rate;
rc = cpack_uint8(s, &rate);
if (rc != 0)
goto trunc;
break;
}
case IEEE80211_RADIOTAP_CHANNEL:{
uint16_t frequency;
uint16_t flags;
rc = cpack_uint16(s, &frequency);
if (rc != 0)
goto trunc;
rc = cpack_uint16(s, &flags);
if (rc != 0)
goto trunc;
*channel = frequency;
break;
}
default:
return -1;
}
return 0;
trunc:
return rc;
}
static int
print_radiotap_field(struct cpack_state *s, u_int32_t bit, int *pad)
{
union {
int8_t i8;
u_int8_t u8;
int16_t i16;
u_int16_t u16;
u_int32_t u32;
u_int64_t u64;
} u, u2;
int rc;
switch (bit) {
case IEEE80211_RADIOTAP_FLAGS:
rc = cpack_uint8(s, &u.u8);
if (u.u8 & IEEE80211_RADIOTAP_F_DATAPAD)
*pad = 1;
break;
case IEEE80211_RADIOTAP_RATE:
case IEEE80211_RADIOTAP_DB_ANTSIGNAL:
case IEEE80211_RADIOTAP_DB_ANTNOISE:
case IEEE80211_RADIOTAP_ANTENNA:
rc = cpack_uint8(s, &u.u8);
break;
case IEEE80211_RADIOTAP_DBM_ANTSIGNAL:
case IEEE80211_RADIOTAP_DBM_ANTNOISE:
rc = cpack_int8(s, &u.i8);
break;
case IEEE80211_RADIOTAP_CHANNEL:
rc = cpack_uint16(s, &u.u16);
if (rc != 0)
break;
rc = cpack_uint16(s, &u2.u16);
break;
case IEEE80211_RADIOTAP_FHSS:
case IEEE80211_RADIOTAP_LOCK_QUALITY:
case IEEE80211_RADIOTAP_TX_ATTENUATION:
rc = cpack_uint16(s, &u.u16);
break;
case IEEE80211_RADIOTAP_DB_TX_ATTENUATION:
rc = cpack_uint8(s, &u.u8);
break;
case IEEE80211_RADIOTAP_DBM_TX_POWER:
rc = cpack_int8(s, &u.i8);
break;
case IEEE80211_RADIOTAP_TSFT:
rc = cpack_uint64(s, &u.u64);
break;
default:
/* this bit indicates a field whose
* size we do not know, so we cannot
* proceed.
*/
printf("[0x%08x] ", bit);
return -1;
}
if (rc != 0) {
printf("[|802.11]");
return rc;
}
switch (bit) {
case IEEE80211_RADIOTAP_CHANNEL:
printf("%u MHz ", u.u16);
if (u2.u16 != 0)
printf("(0x%04x) ", u2.u16);
break;
case IEEE80211_RADIOTAP_FHSS:
printf("fhset %d fhpat %d ", u.u16 & 0xff, (u.u16 >> 8) & 0xff);
break;
case IEEE80211_RADIOTAP_RATE:
PRINT_RATE("", u.u8, " Mb/s ");
break;
case IEEE80211_RADIOTAP_DBM_ANTSIGNAL:
printf("%ddB signal ", u.i8);
break;
case IEEE80211_RADIOTAP_DBM_ANTNOISE:
printf("%ddB noise ", u.i8);
break;
case IEEE80211_RADIOTAP_DB_ANTSIGNAL:
printf("%ddB signal ", u.u8);
break;
case IEEE80211_RADIOTAP_DB_ANTNOISE:
printf("%ddB noise ", u.u8);
break;
case IEEE80211_RADIOTAP_LOCK_QUALITY:
printf("%u sq ", u.u16);
break;
case IEEE80211_RADIOTAP_TX_ATTENUATION:
printf("%d tx power ", -(int)u.u16);
break;
case IEEE80211_RADIOTAP_DB_TX_ATTENUATION:
printf("%ddB tx power ", -(int)u.u8);
break;
case IEEE80211_RADIOTAP_DBM_TX_POWER:
printf("%ddBm tx power ", u.i8);
break;
case IEEE80211_RADIOTAP_FLAGS:
if (u.u8 & IEEE80211_RADIOTAP_F_CFP)
printf("cfp ");
if (u.u8 & IEEE80211_RADIOTAP_F_SHORTPRE)
printf("short preamble ");
if (u.u8 & IEEE80211_RADIOTAP_F_WEP)
printf("wep ");
if (u.u8 & IEEE80211_RADIOTAP_F_FRAG)
printf("fragmented ");
if (u.u8 & IEEE80211_RADIOTAP_F_BADFCS)
printf("bad-fcs ");
break;
case IEEE80211_RADIOTAP_ANTENNA:
printf("antenna %d ", u.u8);
break;
case IEEE80211_RADIOTAP_TSFT:
printf("%" PRIu64 "us tsft ", u.u64);
break;
}
return 0;
}
