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Add initial 802.11ac IEs and fields.

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This is a subset of what's in the linux 802.11ac implementation.

I've verified that the bits that mention an 802.11ac draft are
still the same in 802.11ac-2013 and noted it accordingly.

This is for the most part one big no-op.

Obtained from:	802.11ac-2013.pdf
This commit is contained in:
Adrian Chadd 2016-03-18 03:55:00 +00:00
parent d551bb40b5
commit e426a812db
1 changed files with 112 additions and 0 deletions
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112
sys/net80211/ieee80211.h
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@ -696,6 +696,118 @@ struct ieee80211_ie_htinfo {
#define IEEE80211_HTINFO_BASIC_STBCMCS_S 0
#define IEEE80211_HTINFO_DUALPROTECTED 0x80
/*
* 802.11ac definitions - 802.11ac-2013 .
*/
/* VHT opmode bits */
#define IEEE80211_VHT_OPMODE_CHANWIDTH_MASK 3
#define IEEE80211_VHT_OPMODE_CHANWIDTH_20MHZ 0
#define IEEE80211_VHT_OPMODE_CHANWIDTH_40MHZ 1
#define IEEE80211_VHT_OPMODE_CHANWIDTH_80MHZ 2
#define IEEE80211_VHT_OPMODE_CHANWIDTH_160MHZ 3
#define IEEE80211_VHT_OPMODE_RX_NSS_MASK 0x70
#define IEEE80211_VHT_OPMODE_RX_NSS_SHIFT 4
#define IEEE80211_VHT_OPMODE_RX_NSS_TYPE_BF 0x80
/*
* Maximum length of A-MPDU that the STA can RX in VHT.
* Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
*/
#define IEEE80211_VHTCAP_MAX_AMPDU_8K 0
#define IEEE80211_VHTCAP_MAX_AMPDU_16K 1
#define IEEE80211_VHTCAP_MAX_AMPDU_32K 2
#define IEEE80211_VHTCAP_MAX_AMPDU_64K 3
#define IEEE80211_VHTCAP_MAX_AMPDU_128K 4
#define IEEE80211_VHTCAP_MAX_AMPDU_256K 5
#define IEEE80211_VHTCAP_MAX_AMPDU_512K 6
#define IEEE80211_VHTCAP_MAX_AMPDU_1024K 7
/*
* VHT MCS information.
* + rx_highest/tx_highest: optional; maximum long GI VHT PPDU
* data rate. 1Mbit/sec units.
* + rx_mcs_map/tx_mcs_map: bitmap of per-stream supported MCS;
* 2 bits each.
*/
#define IEEE80211_VHT_MCS_SUPPORT_0_7 0 /* MCS0-7 */
#define IEEE80211_VHT_MCS_SUPPORT_0_8 1 /* MCS0-8 */
#define IEEE80211_VHT_MCS_SUPPORT_0_9 2 /* MCS0-9 */
#define IEEE80211_VHT_MCS_NOT_SUPPORTED 3 /* not supported */
struct ieee80211_vht_mcs_info {
uint16_t rx_mcs_map;
uint16_t rx_highest;
uint16_t tx_mcs_map;
uint16_t tx_highest;
} __packed;
/* VHT capabilities element: 802.11ac-2013 8.4.2.160 */
struct ieee80211_ie_vhtcap {
uint8_t ie;
uint8_t len;
uint32_t vht_cap_info;
struct ieee80211_vht_mcs_info supp_mcs;
} __packed;
#define IEEE80211_VHT_CHANWIDTH_USE_HT 0 /* Use HT IE for chw */
#define IEEE80211_VHT_CHANWIDTH_80MHZ 1 /* 80MHz */
#define IEEE80211_VHT_CHANWIDTH_160MHZ 2 /* 160MHz */
#define IEEE80211_VHT_CHANWIDTH_80P80MHZ 3 /* 80+80MHz */
/* VHT operation IE - 802.11ac-2013 8.4.2.161 */
struct ieee80211_ie_vht_operation {
uint8_t ie;
uint8_t len;
uint8_t chan_width;
uint8_t center_freq_seg1_idx;
uint8_t center_freq_seg2_idx;
uint16_t basic_mcs_set;
} __packed;
/* 802.11ac VHT Capabilities */
#define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_3895 0x00000000
#define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_7991 0x00000001
#define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_11454 0x00000002
#define IEEE80211_VHTCAP_MAX_MPDU_MASK 0x00000003
#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
#define IEEE80211_VHTCAP_RXLDPC 0x00000010
#define IEEE80211_VHTCAP_SHORT_GI_80 0x00000020
#define IEEE80211_VHTCAP_SHORT_GI_160 0x00000040
#define IEEE80211_VHTCAP_TXSTBC 0x00000080
#define IEEE80211_VHTCAP_RXSTBC_1 0x00000100
#define IEEE80211_VHTCAP_RXSTBC_2 0x00000200
#define IEEE80211_VHTCAP_RXSTBC_3 0x00000300
#define IEEE80211_VHTCAP_RXSTBC_4 0x00000400
#define IEEE80211_VHTCAP_RXSTBC_MASK 0x00000700
#define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE 0x00000800
#define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE 0x00001000
#define IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT 13
#define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK \
(7 << IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT)
#define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT 16
#define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK \
(7 << IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT)
#define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE 0x00080000
#define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE 0x00100000
#define IEEE80211_VHTCAP_VHT_TXOP_PS 0x00200000
#define IEEE80211_VHTCAP_HTC_VHT 0x00400000
#define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
#define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
(7 << IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
#define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
#define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
#define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN 0x10000000
#define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN 0x20000000
/* VHT action codes */
#define WLAN_ACTION_VHT_COMPRESSED_BF 0
#define WLAN_ACTION_VHT_GROUPID_MGMT 1
#define WLAN_ACTION_VHT_OPMODE_NOTIF 2
/*
* Management information element payloads.
*/