+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* IEEE 802.11 defines
*
* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
* Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright (c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright (c) 2018 - 2019 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (c) 2018 - 2020 Intel Corporation
*/
#ifndef __LINUX_IEEE80211_H
return hdrlen;
}
+/**
+ * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline bool ieee80211_is_any_nullfunc(__le16 fc)
+{
+ return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
+}
+
/**
* ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
* @fc: frame control field in little-endian byteorder
* @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
* @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
* @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
+ * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
* @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
* (the NSS value is the value of this field + 1)
* @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
* using a beamforming steering matrix
*/
enum ieee80211_vht_opmode_bits {
- IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
+ IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 0x03,
IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
+ IEEE80211_OPMODE_NOTIF_BW_160_80P80 = 0x04,
IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
u8 link_margin;
} __packed;
+#define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1)
+#define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1
+#define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0)
+
+struct ieee80211_addba_ext_ie {
+ u8 data;
+} __packed;
+
struct ieee80211_mgmt {
__le16 frame_control;
__le16 duration;
__le16 capab;
__le16 timeout;
__le16 start_seq_num;
+ /* followed by BA Extension */
+ u8 variable[0];
} __packed addba_req;
struct{
u8 action_code;
u8 optional[0];
} __packed;
+/**
+ * struct ieee80211_he_spr - HE spatial reuse element
+ *
+ * This structure is the "HE spatial reuse element" element as
+ * described in P802.11ax_D4.0 section 9.4.2.241
+ */
+struct ieee80211_he_spr {
+ u8 he_sr_control;
+ /* Optional 0 to 19 bytes: depends on @he_sr_control */
+ u8 optional[0];
+} __packed;
+
/**
* struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
*
* @ext_nss_bw_capable: indicates whether or not the local transmitter
* (rate scaling algorithm) can deal with the new logic
* (dot11VHTExtendedNSSBWCapable)
+ * @max_vht_nss: current maximum NSS as advertised by the STA in
+ * operating mode notification, can be 0 in which case the
+ * capability data will be used to derive this (from MCS support)
*
* Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
* vary for a given BW/MCS. This function parses the data.
*/
int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
enum ieee80211_vht_chanwidth bw,
- int mcs, bool ext_nss_bw_capable);
+ int mcs, bool ext_nss_bw_capable,
+ unsigned int max_vht_nss);
/* 802.11ax HE MAC capabilities */
#define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01
#define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000
#define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000
#define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000
-#define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
+#define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
#define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000
#define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000
/*
* ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
- * @he_oper_ie: byte data of the He Operations IE, stating from the the byte
+ * @he_oper_ie: byte data of the He Operations IE, stating from the byte
* after the ext ID byte. It is assumed that he_oper_ie has at least
- * sizeof(struct ieee80211_he_operation) bytes, checked already in
- * ieee802_11_parse_elems_crc()
+ * sizeof(struct ieee80211_he_operation) bytes, the caller must have
+ * validated this.
* @return the actual size of the IE data (not including header), or 0 on error
*/
static inline u8
return oper_len;
}
+/* HE Spatial Reuse defines */
+#define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT 0x4
+#define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT 0x8
+
+/*
+ * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
+ * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
+ * after the ext ID byte. It is assumed that he_spr_ie has at least
+ * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
+ * this
+ * @return the actual size of the IE data (not including header), or 0 on error
+ */
+static inline u8
+ieee80211_he_spr_size(const u8 *he_spr_ie)
+{
+ struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
+ u8 spr_len = sizeof(struct ieee80211_he_spr);
+ u8 he_spr_params;
+
+ /* Make sure the input is not NULL */
+ if (!he_spr_ie)
+ return 0;
+
+ /* Calc required length */
+ he_spr_params = he_spr->he_sr_control;
+ if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
+ spr_len++;
+ if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
+ spr_len += 18;
+
+ /* Add the first byte (extension ID) to the total length */
+ spr_len++;
+
+ return spr_len;
+}
+
/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
#define WLAN_AUTH_SHARED_KEY 1
WLAN_EID_FILS_INDICATION = 240,
WLAN_EID_DILS = 241,
WLAN_EID_FRAGMENT = 242,
+ WLAN_EID_RSNX = 244,
WLAN_EID_EXTENSION = 255
};
WLAN_EID_EXT_HE_OPERATION = 36,
WLAN_EID_EXT_UORA = 37,
WLAN_EID_EXT_HE_MU_EDCA = 38,
+ WLAN_EID_EXT_HE_SPR = 39,
WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
WLAN_EID_EXT_NON_INHERITANCE = 56,
*/
#define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6)
-/* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
+/* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
#define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
#define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
#define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
#define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5)
#define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6)
+/*
+ * When set, indicates that the AP is able to tolerate 26-tone RU UL
+ * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
+ * 26-tone RU UL OFDMA transmissions as radar pulses).
+ */
+#define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
+
/* Defines support for enhanced multi-bssid advertisement*/
#define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(1)
#define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
#define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
#define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
+#define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18)
#define WLAN_MAX_KEY_LEN 32
return (const u8 *)element == (const u8 *)data + datalen;
}
+/**
+ * RSNX Capabilities:
+ * bits 0-3: Field length (n-1)
+ */
+#define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
+#define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
+
#endif /* __LINUX_IEEE80211_H */
projects / carl9170fw.git / blobdiff