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| author | adrian <adrian@FreeBSD.org> | 2016-03-19 04:37:33 +0000 |
|---|---|---|
| committer | adrian <adrian@FreeBSD.org> | 2016-03-19 04:37:33 +0000 |
| commit | dffbd3a71a1be12f0bd3388878527f805a31166d (patch) | |
| tree | 18d307e68b187ad382ca32887b9844974d41f1ab /sys/net80211 | |
| parent | 847c1db55ed87572b31142527ea066f9549da8e9 (diff) | |
| download | FreeBSD-src-dffbd3a71a1be12f0bd3388878527f805a31166d.zip FreeBSD-src-dffbd3a71a1be12f0bd3388878527f805a31166d.tar.gz | |
[net80211] Add VHT Transmit Power Envelope element - 802.11ac-2013 8.4.2.164
This .. seems inconsistently transmitted from various vendors.
Diffstat (limited to 'sys/net80211')
| -rw-r--r-- | sys/net80211/ieee80211.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/sys/net80211/ieee80211.h b/sys/net80211/ieee80211.h index d813e89..7ace97e 100644 --- a/sys/net80211/ieee80211.h +++ b/sys/net80211/ieee80211.h @@ -803,6 +803,39 @@ struct ieee80211_ie_vht_operation { #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN 0x10000000 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN 0x20000000 +/* + * VHT Transmit Power Envelope element - 802.11ac-2013 8.4.2.164 + * + * This defines the maximum transmit power for various bandwidths. + */ +/* + * Count is how many elements follow and what they're for: + * + * 0 - 20 MHz + * 1 - 20+40 MHz + * 2 - 20+40+80 MHz + * 3 - 20+40+80+(160, 80+80) MHz + */ +#define IEEE80211_VHT_TXPWRENV_INFO_COUNT_SHIFT 0 +#define IEEE80211_VHT_TXPWRENV_INFO_COUNT_MASK 0x07 + +/* + * Unit is the tx power representation. It should be EIRP for now; + * other values are reserved. + */ +#define IEEE80211_VHT_TXPWRENV_UNIT_MASK 0x38 +#define IEEE80211_VHT_TXPWRENV_UNIT_SHIFT 3 + +/* This value is within the unit mask/shift above */ +#define IEEE80211_VHT_TXPWRENV_UNIT_EIRP 0 + +struct ieee80211_ie_vht_txpwrenv { + uint8_t ie; + uint8_t len; + uint8_t tx_info; + int8_t tx_elem[0]; /* TX power elements, 1/2 dB, signed */ +}; + /* VHT action codes */ #define WLAN_ACTION_VHT_COMPRESSED_BF 0 #define WLAN_ACTION_VHT_GROUPID_MGMT 1 |
