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urtwn(4): add DBM_ANTNOISE radiotap field

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Reviewed by:	kevlo
Approved by:	adrian (mentor)
Differential Revision:	https://reviews.freebsd.org/D3839
This commit is contained in:
Andriy Voskoboinyk 2015-10-23 08:44:40 +00:00
parent 6ce548a105
commit 74ee6e03d0
2 changed files with 5 additions and 2 deletions
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1
sys/dev/usb/wlan/if_urtwn.c
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@ -666,6 +666,7 @@ urtwn_rx_frame(struct urtwn_softc *sc, uint8_t *buf, int pktlen, int *rssi_p)
tap->wr_rate = 0x80 | (rate - 12);
}
tap->wr_dbm_antsignal = rssi;
tap->wr_dbm_antnoise = URTWN_NOISE_FLOOR;
tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq);
tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags);
}

6
sys/dev/usb/wlan/if_urtwnvar.h
View File

@ -37,14 +37,16 @@ struct urtwn_rx_radiotap_header {
uint8_t wr_rate;
uint16_t wr_chan_freq;
uint16_t wr_chan_flags;
uint8_t wr_dbm_antsignal;
int8_t wr_dbm_antsignal;
int8_t wr_dbm_antnoise;
} __packed __aligned(8);
#define URTWN_RX_RADIOTAP_PRESENT \
(1 << IEEE80211_RADIOTAP_FLAGS | \
1 << IEEE80211_RADIOTAP_RATE | \
1 << IEEE80211_RADIOTAP_CHANNEL | \
1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL)
1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL | \
1 << IEEE80211_RADIOTAP_DBM_ANTNOISE)
struct urtwn_tx_radiotap_header {
struct ieee80211_radiotap_header wt_ihdr;