/* Mesh Control 802.11s */
#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
+/* Mesh Power Save Level */
+#define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
+/* Mesh Receiver Service Period Initiated */
+#define IEEE80211_QOS_CTL_RSPI 0x0400
+
/* U-APSD queue for WMM IEs sent by AP */
#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
#define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
};
/**
- * struct ieee80211_quiet_ie
+ * struct ieee80211_quiet_ie - Quiet element
+ * @count: Quiet Count
+ * @period: Quiet Period
+ * @duration: Quiet Duration
+ * @offset: Quiet Offset
*
- * This structure refers to "Quiet information element"
+ * This structure represents the payload of the "Quiet element" as
+ * described in IEEE Std 802.11-2020 section 9.4.2.22.
*/
struct ieee80211_quiet_ie {
u8 count;
} __packed;
/**
- * struct ieee80211_msrment_ie
+ * struct ieee80211_msrment_ie - Measurement element
+ * @token: Measurement Token
+ * @mode: Measurement Report Mode
+ * @type: Measurement Type
+ * @request: Measurement Request or Measurement Report
*
- * This structure refers to "Measurement Request/Report information element"
+ * This structure represents the payload of both the "Measurement
+ * Request element" and the "Measurement Report element" as described
+ * in IEEE Std 802.11-2020 sections 9.4.2.20 and 9.4.2.21.
*/
struct ieee80211_msrment_ie {
u8 token;
} __packed;
/**
- * struct ieee80211_channel_sw_ie
+ * struct ieee80211_channel_sw_ie - Channel Switch Announcement element
+ * @mode: Channel Switch Mode
+ * @new_ch_num: New Channel Number
+ * @count: Channel Switch Count
*
- * This structure refers to "Channel Switch Announcement information element"
+ * This structure represents the payload of the "Channel Switch
+ * Announcement element" as described in IEEE Std 802.11-2020 section
+ * 9.4.2.18.
*/
struct ieee80211_channel_sw_ie {
u8 mode;
} __packed;
/**
- * struct ieee80211_ext_chansw_ie
+ * struct ieee80211_ext_chansw_ie - Extended Channel Switch Announcement element
+ * @mode: Channel Switch Mode
+ * @new_operating_class: New Operating Class
+ * @new_ch_num: New Channel Number
+ * @count: Channel Switch Count
*
- * This structure represents the "Extended Channel Switch Announcement element"
+ * This structure represents the "Extended Channel Switch Announcement
+ * element" as described in IEEE Std 802.11-2020 section 9.4.2.52.
*/
struct ieee80211_ext_chansw_ie {
u8 mode;
/**
* struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
+ * @mesh_ttl: Time To Live
+ * @mesh_flags: Flags
+ * @mesh_reason: Reason Code
+ * @mesh_pre_value: Precedence Value
*
- * This structure represents the "Mesh Channel Switch Paramters element"
+ * This structure represents the payload of the "Mesh Channel Switch
+ * Parameters element" as described in IEEE Std 802.11-2020 section
+ * 9.4.2.102.
*/
struct ieee80211_mesh_chansw_params_ie {
u8 mesh_ttl;
/**
* struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
+ * @new_channel_width: New Channel Width
+ * @new_center_freq_seg0: New Channel Center Frequency Segment 0
+ * @new_center_freq_seg1: New Channel Center Frequency Segment 1
+ *
+ * This structure represents the payload of the "Wide Bandwidth
+ * Channel Switch element" as described in IEEE Std 802.11-2020
+ * section 9.4.2.160.
*/
struct ieee80211_wide_bw_chansw_ie {
u8 new_channel_width;
} __packed;
/**
- * struct ieee80211_tim
+ * struct ieee80211_tim_ie - Traffic Indication Map information element
+ * @dtim_count: DTIM Count
+ * @dtim_period: DTIM Period
+ * @bitmap_ctrl: Bitmap Control
+ * @virtual_map: Partial Virtual Bitmap
*
- * This structure refers to "Traffic Indication Map information element"
+ * This structure represents the payload of the "TIM element" as
+ * described in IEEE Std 802.11-2020 section 9.4.2.5.
*/
struct ieee80211_tim_ie {
u8 dtim_count;
} __packed;
/**
- * struct ieee80211_meshconf_ie
+ * struct ieee80211_meshconf_ie - Mesh Configuration element
+ * @meshconf_psel: Active Path Selection Protocol Identifier
+ * @meshconf_pmetric: Active Path Selection Metric Identifier
+ * @meshconf_congest: Congestion Control Mode Identifier
+ * @meshconf_synch: Synchronization Method Identifier
+ * @meshconf_auth: Authentication Protocol Identifier
+ * @meshconf_form: Mesh Formation Info
+ * @meshconf_cap: Mesh Capability (see &enum mesh_config_capab_flags)
*
- * This structure refers to "Mesh Configuration information element"
+ * This structure represents the payload of the "Mesh Configuration
+ * element" as described in IEEE Std 802.11-2020 section 9.4.2.97.
*/
struct ieee80211_meshconf_ie {
u8 meshconf_psel;
* @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
* @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
* is ongoing
+ * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
+ * neighbors in deep sleep mode
+ *
+ * Enumerates the "Mesh Capability" as described in IEEE Std
+ * 802.11-2020 section 9.4.2.97.7.
*/
enum mesh_config_capab_flags {
IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
+ IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
};
#define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
-/**
+/*
* mesh channel switch parameters element's flag indicator
*
*/
#define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
/**
- * struct ieee80211_rann_ie
+ * struct ieee80211_rann_ie - RANN (root announcement) element
+ * @rann_flags: Flags
+ * @rann_hopcount: Hop Count
+ * @rann_ttl: Element TTL
+ * @rann_addr: Root Mesh STA Address
+ * @rann_seq: HWMP Sequence Number
+ * @rann_interval: Interval
+ * @rann_metric: Metric
*
- * This structure refers to "Root Announcement information element"
+ * This structure represents the payload of the "RANN element" as
+ * described in IEEE Std 802.11-2020 section 9.4.2.111.
*/
struct ieee80211_rann_ie {
u8 rann_flags;
};
/**
- * enum ieee80211_opmode_bits - VHT operating mode field bits
+ * enum ieee80211_vht_opmode_bits - VHT operating mode field bits
* @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
* @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
* @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
#define WLAN_USER_POSITION_LEN 16
/**
- * struct ieee80211_tpc_report_ie
+ * struct ieee80211_tpc_report_ie - TPC Report element
+ * @tx_power: Transmit Power
+ * @link_margin: Link Margin
*
- * This structure refers to "TPC Report element"
+ * This structure represents the payload of the "TPC Report element" as
+ * described in IEEE Std 802.11-2020 section 9.4.2.16.
*/
struct ieee80211_tpc_report_ie {
u8 tx_power;
} __packed;
/**
- * struct ieee80211_s1g_bcn_compat_ie
+ * struct ieee80211_s1g_bcn_compat_ie - S1G Beacon Compatibility element
+ * @compat_info: Compatibility Information
+ * @beacon_int: Beacon Interval
+ * @tsf_completion: TSF Completion
*
- * S1G Beacon Compatibility element
+ * This structure represents the payload of the "S1G Beacon
+ * Compatibility element" as described in IEEE Std 802.11-2020 section
+ * 9.4.2.196.
*/
struct ieee80211_s1g_bcn_compat_ie {
__le16 compat_info;
} __packed;
/**
- * struct ieee80211_s1g_oper_ie
+ * struct ieee80211_s1g_oper_ie - S1G Operation element
+ * @ch_width: S1G Operation Information Channel Width
+ * @oper_class: S1G Operation Information Operating Class
+ * @primary_ch: S1G Operation Information Primary Channel Number
+ * @oper_ch: S1G Operation Information Channel Center Frequency
+ * @basic_mcs_nss: Basic S1G-MCS and NSS Set
*
- * S1G Operation element
+ * This structure represents the payload of the "S1G Operation
+ * element" as described in IEEE Std 802.11-2020 section 9.4.2.212.
*/
struct ieee80211_s1g_oper_ie {
u8 ch_width;
} __packed;
/**
- * struct ieee80211_aid_response_ie
+ * struct ieee80211_aid_response_ie - AID Response element
+ * @aid: AID/Group AID
+ * @switch_count: AID Switch Count
+ * @response_int: AID Response Interval
*
- * AID Response element
+ * This structure represents the payload of the "AID Response element"
+ * as described in IEEE Std 802.11-2020 section 9.4.2.194.
*/
struct ieee80211_aid_response_ie {
__le16 aid;
/*
* Peer-to-Peer IE attribute related definitions.
*/
-/**
+/*
* enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
*/
enum ieee80211_p2p_attr_id {
#define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
/**
- * struct ieee80211_bar - HT Block Ack Request
+ * struct ieee80211_bar - Block Ack Request frame format
+ * @frame_control: Frame Control
+ * @duration: Duration
+ * @ra: RA
+ * @ta: TA
+ * @control: BAR Control
+ * @start_seq_num: Starting Sequence Number (see Figure 9-37)
*
- * This structure refers to "HT BlockAckReq" as
- * described in 802.11n draft section 7.2.1.7.1
- */
+ * This structure represents the "BlockAckReq frame format"
+ * as described in IEEE Std 802.11-2020 section 9.3.1.7.
+*/
struct ieee80211_bar {
__le16 frame_control;
__le16 duration;
__le16 start_seq_num;
} __packed __aligned(2);
-/* 802.11 BA(R) control masks */
+/* 802.11 BAR control masks */
#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
#define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
#define IEEE80211_HT_MCS_MASK_LEN 10
/**
- * struct ieee80211_mcs_info - MCS information
+ * struct ieee80211_mcs_info - Supported MCS Set field
* @rx_mask: RX mask
* @rx_highest: highest supported RX rate. If set represents
* the highest supported RX data rate in units of 1 Mbps.
* If this field is 0 this value should not be used to
* consider the highest RX data rate supported.
* @tx_params: TX parameters
+ * @reserved: Reserved bits
+ *
+ * This structure represents the "Supported MCS Set field" as
+ * described in IEEE Std 802.11-2020 section 9.4.2.55.4.
*/
struct ieee80211_mcs_info {
u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
(IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
/**
- * struct ieee80211_ht_cap - HT capabilities
+ * struct ieee80211_ht_cap - HT capabilities element
+ * @cap_info: HT Capability Information
+ * @ampdu_params_info: A-MPDU Parameters
+ * @mcs: Supported MCS Set
+ * @extended_ht_cap_info: HT Extended Capabilities
+ * @tx_BF_cap_info: Transmit Beamforming Capabilities
+ * @antenna_selection_info: ASEL Capability
*
- * This structure is the "HT capabilities element" as
- * described in 802.11n D5.0 7.3.2.57
+ * This structure represents the payload of the "HT Capabilities
+ * element" as described in IEEE Std 802.11-2020 section 9.4.2.55.
*/
struct ieee80211_ht_cap {
__le16 cap_info;
/**
* struct ieee80211_ht_operation - HT operation IE
+ * @primary_chan: Primary Channel
+ * @ht_param: HT Operation Information parameters
+ * @operation_mode: HT Operation Information operation mode
+ * @stbc_param: HT Operation Information STBC params
+ * @basic_set: Basic HT-MCS Set
*
- * This structure is the "HT operation element" as
- * described in 802.11n-2009 7.3.2.57
+ * This structure represents the payload of the "HT Operation
+ * element" as described in IEEE Std 802.11-2020 section 9.4.2.56.
*/
struct ieee80211_ht_operation {
u8 primary_chan;
/**
* struct ieee80211_he_cap_elem - HE capabilities element
+ * @mac_cap_info: HE MAC Capabilities Information
+ * @phy_cap_info: HE PHY Capabilities Information
*
- * This structure is the "HE capabilities element" fixed fields as
- * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
+ * This structure represents the fixed fields of the payload of the
+ * "HE capabilities element" as described in IEEE Std 802.11ax-2021
+ * sections 9.4.2.248.2 and 9.4.2.248.3.
*/
struct ieee80211_he_cap_elem {
u8 mac_cap_info[6];
} __packed;
/**
- * struct ieee80211_he_operation - HE capabilities element
+ * struct ieee80211_he_operation - HE Operation element
+ * @he_oper_params: HE Operation Parameters + BSS Color Information
+ * @he_mcs_nss_set: Basic HE-MCS And NSS Set
+ * @optional: Optional fields VHT Operation Information, Max Co-Hosted
+ * BSSID Indicator, and 6 GHz Operation Information
*
- * This structure is the "HE operation element" fields as
- * described in P802.11ax_D4.0 section 9.4.2.243
+ * This structure represents the payload of the "HE Operation
+ * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.249.
*/
struct ieee80211_he_operation {
__le32 he_oper_params;
__le16 he_mcs_nss_set;
- /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
u8 optional[];
} __packed;
/**
- * struct ieee80211_he_spr - HE spatial reuse element
+ * struct ieee80211_he_spr - Spatial Reuse Parameter Set element
+ * @he_sr_control: SR Control
+ * @optional: Optional fields Non-SRG OBSS PD Max Offset, SRG OBSS PD
+ * Min Offset, SRG OBSS PD Max Offset, SRG BSS Color
+ * Bitmap, and SRG Partial BSSID Bitmap
*
- * This structure is the "HE spatial reuse element" element as
- * described in P802.11ax_D4.0 section 9.4.2.241
+ * This structure represents the payload of the "Spatial Reuse
+ * Parameter Set element" as described in IEEE Std 802.11ax-2021
+ * section 9.4.2.252.
*/
struct ieee80211_he_spr {
u8 he_sr_control;
- /* Optional 0 to 19 bytes: depends on @he_sr_control */
u8 optional[];
} __packed;
/**
* struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
+ * @aifsn: ACI/AIFSN
+ * @ecw_min_max: ECWmin/ECWmax
+ * @mu_edca_timer: MU EDCA Timer
*
- * This structure is the "MU AC Parameter Record" fields as
- * described in P802.11ax_D4.0 section 9.4.2.245
+ * This structure represents the "MU AC Parameter Record" as described
+ * in IEEE Std 802.11ax-2021 section 9.4.2.251, Figure 9-788p.
*/
struct ieee80211_he_mu_edca_param_ac_rec {
u8 aifsn;
/**
* struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
+ * @mu_qos_info: QoS Info
+ * @ac_be: MU AC_BE Parameter Record
+ * @ac_bk: MU AC_BK Parameter Record
+ * @ac_vi: MU AC_VI Parameter Record
+ * @ac_vo: MU AC_VO Parameter Record
*
- * This structure is the "MU EDCA Parameter Set element" fields as
- * described in P802.11ax_D4.0 section 9.4.2.245
+ * This structure represents the payload of the "MU EDCA Parameter Set
+ * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.251.
*/
struct ieee80211_mu_edca_param_set {
u8 mu_qos_info;
* @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
* supported for reception and the maximum number of spatial streams
* supported for transmission for MCS 12 - 13.
+ * @rx_tx_max_nss: array of the previous fields for easier loop access
*/
struct ieee80211_eht_mcs_nss_supp_20mhz_only {
- u8 rx_tx_mcs7_max_nss;
- u8 rx_tx_mcs9_max_nss;
- u8 rx_tx_mcs11_max_nss;
- u8 rx_tx_mcs13_max_nss;
+ union {
+ struct {
+ u8 rx_tx_mcs7_max_nss;
+ u8 rx_tx_mcs9_max_nss;
+ u8 rx_tx_mcs11_max_nss;
+ u8 rx_tx_mcs13_max_nss;
+ };
+ u8 rx_tx_max_nss[4];
+ };
};
/**
* @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
* supported for reception and the maximum number of spatial streams
* supported for transmission for MCS 12 - 13.
+ * @rx_tx_max_nss: array of the previous fields for easier loop access
*/
struct ieee80211_eht_mcs_nss_supp_bw {
- u8 rx_tx_mcs9_max_nss;
- u8 rx_tx_mcs11_max_nss;
- u8 rx_tx_mcs13_max_nss;
+ union {
+ struct {
+ u8 rx_tx_mcs9_max_nss;
+ u8 rx_tx_mcs11_max_nss;
+ u8 rx_tx_mcs13_max_nss;
+ };
+ u8 rx_tx_max_nss[3];
+ };
};
/**
*/
struct ieee80211_eht_operation {
u8 params;
- __le32 basic_mcs_nss;
+ struct ieee80211_eht_mcs_nss_supp_20mhz_only basic_mcs_nss;
u8 optional[];
} __packed;
* enum ieee80211_ap_reg_power - regulatory power for a Access Point
*
* @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
- * @IEEE80211_REG_LPI: Indoor Access Point
- * @IEEE80211_REG_SP: Standard power Access Point
- * @IEEE80211_REG_VLP: Very low power Access Point
+ * @IEEE80211_REG_LPI_AP: Indoor Access Point
+ * @IEEE80211_REG_SP_AP: Standard power Access Point
+ * @IEEE80211_REG_VLP_AP: Very low power Access Point
* @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
* @IEEE80211_REG_AP_POWER_MAX: maximum value
*/
#define IEEE80211_6GHZ_CTRL_REG_SP_AP 1
/**
- * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
+ * struct ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
* @primary: primary channel
* @control: control flags
* @ccfs0: channel center frequency segment 0
};
/**
- * struct ieee80211_tx_pwr_env
+ * struct ieee80211_tx_pwr_env - Transmit Power Envelope
+ * @tx_power_info: Transmit Power Information field
+ * @tx_power: Maximum Transmit Power field
*
- * This structure represents the "Transmit Power Envelope element"
+ * This structure represents the payload of the "Transmit Power
+ * Envelope element" as described in IEEE Std 802.11ax-2021 section
+ * 9.4.2.161
*/
struct ieee80211_tx_pwr_env {
u8 tx_power_info;
n = hweight16(ppe_thres_hdr &
IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
- n *= 1 + (ppe_thres_hdr & IEEE80211_EHT_PPE_THRES_NSS_MASK);
+ n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
/*
* Each pair is 6 bits, and we need to add the 9 "header" bits to the
if (len < needed + sizeof(ppe_thres_hdr))
return false;
- ppe_thres_hdr = (data[needed] >> 8) + data[needed + 1];
+ ppe_thres_hdr = get_unaligned_le16(data + needed);
needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
elem->phy_cap_info);
}
return hdr->addr2;
}
+/**
+ * ieee80211_get_DA - get pointer to DA
+ * @hdr: the frame
+ *
+ * Given an 802.11 frame, this function returns the offset
+ * to the destination address (DA). It does not verify that
+ * the header is long enough to contain the address, and the
+ * header must be long enough to contain the frame control
+ * field.
+ */
+static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
+{
+ if (ieee80211_has_tods(hdr->frame_control))
+ return hdr->addr3;
+ else
+ return hdr->addr1;
+}
+
/**
* ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
* @skb: the skb to check, starting with the 802.11 header
return true;
}
-/**
- * ieee80211_get_DA - get pointer to DA
- * @hdr: the frame
- *
- * Given an 802.11 frame, this function returns the offset
- * to the destination address (DA). It does not verify that
- * the header is long enough to contain the address, and the
- * header must be long enough to contain the frame control
- * field.
- */
-static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
-{
- if (ieee80211_has_tods(hdr->frame_control))
- return hdr->addr3;
- else
- return hdr->addr1;
-}
-
/**
* ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
* @hdr: the frame (buffer must include at least the first octet of payload)
u8 tim_len, u16 aid)
{
u8 mask;
- u8 indexn0, indexn1, indexn2;
+ u8 index, indexn1, indexn2;
if (unlikely(!tim || tim_len < sizeof(*tim)))
return false;
aid &= 0x3fff;
- indexn0 = aid / 8;
+ index = aid / 8;
mask = 1 << (aid & 7);
indexn1 = tim->bitmap_ctrl & 0xfe;
indexn2 = tim_len + indexn1 - 4;
- if (indexn0 < indexn1 || indexn0 > indexn2)
+ if (index < indexn1 || index > indexn2)
return false;
- indexn0 -= indexn1;
+ index -= indexn1;
- return !!(tim->virtual_map[indexn0] & mask);
+ return !!(tim->virtual_map[index] & mask);
}
/* convert time units */
-#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
-#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
+#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
+#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
+
+/* convert frequencies */
+#define MHZ_TO_KHZ(freq) ((freq) * 1000)
+#define KHZ_TO_MHZ(freq) ((freq) / 1000)
+#define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
+#define KHZ_F "%d.%03d"
+
+/* convert powers */
+#define DBI_TO_MBI(gain) ((gain) * 100)
+#define MBI_TO_DBI(gain) ((gain) / 100)
+#define DBM_TO_MBM(gain) ((gain) * 100)
+#define MBM_TO_DBM(gain) ((gain) / 100)
static inline bool ieee80211_is_timing_measurement(struct ieee80211_hdr *hdr, size_t len)
{
#define for_each_subelement_extid(sub, extid, element) \
for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
-/* convert frequencies */
-#define MHZ_TO_KHZ(freq) ((freq) * 1000)
-#define KHZ_TO_MHZ(freq) ((freq) / 1000)
-#define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
-#define KHZ_F "%d.%03d"
-
-/* convert powers */
-#define DBI_TO_MBI(gain) ((gain) * 100)
-#define MBI_TO_DBI(gain) ((gain) / 100)
-#define DBM_TO_MBM(gain) ((gain) * 100)
-#define MBM_TO_DBM(gain) ((gain) / 100)
-
/**
* for_each_element_completed - determine if element parsing consumed all data
* @element: element pointer after for_each_element() or friends
return (const u8 *)element == (const u8 *)data + datalen;
}
-/**
+/*
* RSNX Capabilities:
* bits 0-3: Field length (n-1)
*/
#define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0
#define IEEE80211_TBTT_INFO_TYPE_TBTT 0
#define IEEE80211_TBTT_INFO_TYPE_MLD 1
-#define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM 9
-#define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM 13
-#define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM_MLD_PARAM 16
#define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01
#define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02
#define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE 0x20
#define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40
+#define IEEE80211_RNR_TBTT_PARAMS_PSD_NO_LIMIT 127
+#define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED -128
+
struct ieee80211_neighbor_ap_info {
u8 tbtt_info_hdr;
u8 tbtt_info_len;
#define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED 0x1000
#define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK 0x2000
+/* Format of the TBTT information element if it has 7, 8 or 9 bytes */
+struct ieee80211_tbtt_info_7_8_9 {
+ u8 tbtt_offset;
+ u8 bssid[6];
+
+ /* The following element is optional, structure may not grow */
+ u8 bss_params;
+ s8 psd_20;
+} __packed;
+
+/* Format of the TBTT information element if it has >= 11 bytes */
+struct ieee80211_tbtt_info_ge_11 {
+ u8 tbtt_offset;
+ u8 bssid[6];
+ __le32 short_ssid;
+
+ /* The following elements are optional, structure may grow */
+ u8 bss_params;
+ s8 psd_20;
+ struct ieee80211_rnr_mld_params mld_params;
+} __packed;
+
/* multi-link device */
#define IEEE80211_MLD_MAX_NUM_LINKS 15
}
/**
- * ieee80211_mle_get_eml_sync_delay - returns the medium sync delay
+ * ieee80211_mle_get_bss_param_ch_cnt - returns the BSS parameter change count
+ * @mle: the basic multi link element
+ *
+ * The element is assumed to be of the correct type (BASIC) and big enough,
+ * this must be checked using ieee80211_mle_type_ok().
+ *
+ * If the BSS parameter change count value can't be found (the presence bit
+ * for it is clear), 0 will be returned.
+ */
+static inline u8
+ieee80211_mle_get_bss_param_ch_cnt(const struct ieee80211_multi_link_elem *mle)
+{
+ u16 control = le16_to_cpu(mle->control);
+ const u8 *common = mle->variable;
+
+ /* common points now at the beginning of ieee80211_mle_basic_common_info */
+ common += sizeof(struct ieee80211_mle_basic_common_info);
+
+ if (!(control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT))
+ return 0;
+
+ if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
+ common += 1;
+
+ return *common;
+}
+
+/**
+ * ieee80211_mle_get_eml_med_sync_delay - returns the medium sync delay
* @data: pointer to the multi link EHT IE
*
* The element is assumed to be of the correct type (BASIC) and big enough,
info_len += 8;
if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
info_len += 2;
- if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
- info_len += 1;
-
if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
- control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE) {
+ control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
info_len += 2;
else
info_len += 1;
}
+ if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
+ info_len += 1;
return prof->sta_info_len >= info_len &&
fixed + prof->sta_info_len <= len;
}
+/**
+ * ieee80211_mle_basic_sta_prof_bss_param_ch_cnt - get per-STA profile BSS
+ * parameter change count
+ * @prof: the per-STA profile, having been checked with
+ * ieee80211_mle_basic_sta_prof_size_ok() for the correct length
+ *
+ * Return: The BSS parameter change count value if present, 0 otherwise.
+ */
+static inline u8
+ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile *prof)
+{
+ u16 control = le16_to_cpu(prof->control);
+ const u8 *pos = prof->variable;
+
+ if (!(control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT))
+ return 0;
+
+ if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
+ pos += 6;
+ if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
+ pos += 2;
+ if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
+ pos += 8;
+ if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
+ pos += 2;
+ if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
+ control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
+ if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
+ pos += 2;
+ else
+ pos += 1;
+ }
+
+ return *pos;
+}
+
+#define IEEE80211_MLE_STA_RECONF_CONTROL_LINK_ID 0x000f
+#define IEEE80211_MLE_STA_RECONF_CONTROL_COMPLETE_PROFILE 0x0010
+#define IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
+#define IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT 0x0040
+#define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_UPDATE_TYPE 0x0780
+#define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT 0x0800
+
+/**
+ * ieee80211_mle_reconf_sta_prof_size_ok - validate reconfiguration multi-link
+ * element sta profile size.
+ * @data: pointer to the sub element data
+ * @len: length of the containing sub element
+ */
+static inline bool ieee80211_mle_reconf_sta_prof_size_ok(const u8 *data,
+ size_t len)
+{
+ const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
+ u16 control;
+ u8 fixed = sizeof(*prof);
+ u8 info_len = 1;
+
+ if (len < fixed)
+ return false;
+
+ control = le16_to_cpu(prof->control);
+
+ if (control & IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT)
+ info_len += 6;
+ if (control & IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT)
+ info_len += 2;
+ if (control & IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT)
+ info_len += 2;
+
+ return prof->sta_info_len >= info_len &&
+ ((size_t)(fixed + prof->sta_info_len - 1) <= len);
+}
+
#define for_each_mle_subelement(_elem, _data, _len) \
if (ieee80211_mle_size_ok(_data, _len)) \
for_each_element(_elem, \
projects / carl9170fw.git / blobdiff