struct ieee80211_vht_mcs_info vht_mcs;
};
+#define IEEE80211_HE_PPE_THRES_MAX_LEN 25
+
+/**
+ * struct ieee80211_sta_he_cap - STA's HE capabilities
+ *
+ * This structure describes most essential parameters needed
+ * to describe 802.11ax HE capabilities for a STA.
+ *
+ * @has_he: true iff HE data is valid.
+ * @he_cap_elem: Fixed portion of the HE capabilities element.
+ * @he_mcs_nss_supp: The supported NSS/MCS combinations.
+ * @ppe_thres: Holds the PPE Thresholds data.
+ */
+struct ieee80211_sta_he_cap {
+ bool has_he;
+ struct ieee80211_he_cap_elem he_cap_elem;
+ struct ieee80211_he_mcs_nss_supp he_mcs_nss_supp;
+ u8 ppe_thres[IEEE80211_HE_PPE_THRES_MAX_LEN];
+};
+
+/**
+ * struct ieee80211_sband_iftype_data
+ *
+ * This structure encapsulates sband data that is relevant for the
+ * interface types defined in @types_mask. Each type in the
+ * @types_mask must be unique across all instances of iftype_data.
+ *
+ * @types_mask: interface types mask
+ * @he_cap: holds the HE capabilities
+ */
+struct ieee80211_sband_iftype_data {
+ u16 types_mask;
+ struct ieee80211_sta_he_cap he_cap;
+};
+
/**
* struct ieee80211_supported_band - frequency band definition
*
* @n_bitrates: Number of bitrates in @bitrates
* @ht_cap: HT capabilities in this band
* @vht_cap: VHT capabilities in this band
+ * @n_iftype_data: number of iftype data entries
+ * @iftype_data: interface type data entries. Note that the bits in
+ * @types_mask inside this structure cannot overlap (i.e. only
+ * one occurrence of each type is allowed across all instances of
+ * iftype_data).
*/
struct ieee80211_supported_band {
struct ieee80211_channel *channels;
int n_bitrates;
struct ieee80211_sta_ht_cap ht_cap;
struct ieee80211_sta_vht_cap vht_cap;
+ u16 n_iftype_data;
+ const struct ieee80211_sband_iftype_data *iftype_data;
};
/**
+ * ieee80211_get_sband_iftype_data - return sband data for a given iftype
+ * @sband: the sband to search for the STA on
+ * @iftype: enum nl80211_iftype
+ *
+ * Return: pointer to struct ieee80211_sband_iftype_data, or NULL is none found
+ */
+static inline const struct ieee80211_sband_iftype_data *
+ieee80211_get_sband_iftype_data(const struct ieee80211_supported_band *sband,
+ u8 iftype)
+{
+ int i;
+
+ if (WARN_ON(iftype >= NL80211_IFTYPE_MAX))
+ return NULL;
+
+ for (i = 0; i < sband->n_iftype_data; i++) {
+ const struct ieee80211_sband_iftype_data *data =
+ &sband->iftype_data[i];
+
+ if (data->types_mask & BIT(iftype))
+ return data;
+ }
+
+ return NULL;
+}
+
+/**
+ * ieee80211_get_he_sta_cap - return HE capabilities for an sband's STA
+ * @sband: the sband to search for the STA on
+ *
+ * Return: pointer to the struct ieee80211_sta_he_cap, or NULL is none found
+ */
+static inline const struct ieee80211_sta_he_cap *
+ieee80211_get_he_sta_cap(const struct ieee80211_supported_band *sband)
+{
+ const struct ieee80211_sband_iftype_data *data =
+ ieee80211_get_sband_iftype_data(sband, NL80211_IFTYPE_STATION);
+
+ if (data && data->he_cap.has_he)
+ return &data->he_cap;
+
+ return NULL;
+}
+
+/**
* wiphy_read_of_freq_limits - read frequency limits from device tree
*
* @wiphy: the wireless device to get extra limits for
* @opmode_notif: operating mode field from Operating Mode Notification
* @opmode_notif_used: information if operating mode field is used
* @support_p2p_ps: information if station supports P2P PS mechanism
+ * @he_capa: HE capabilities of station
+ * @he_capa_len: the length of the HE capabilities
*/
struct station_parameters {
const u8 *supported_rates;
u8 opmode_notif;
bool opmode_notif_used;
int support_p2p_ps;
+ const struct ieee80211_he_cap_elem *he_capa;
+ u8 he_capa_len;
};
/**
* @RATE_INFO_FLAGS_VHT_MCS: mcs field filled with VHT MCS
* @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval
* @RATE_INFO_FLAGS_60G: 60GHz MCS
+ * @RATE_INFO_FLAGS_HE_MCS: HE MCS information
*/
enum rate_info_flags {
RATE_INFO_FLAGS_MCS = BIT(0),
RATE_INFO_FLAGS_VHT_MCS = BIT(1),
RATE_INFO_FLAGS_SHORT_GI = BIT(2),
RATE_INFO_FLAGS_60G = BIT(3),
+ RATE_INFO_FLAGS_HE_MCS = BIT(4),
};
/**
* @RATE_INFO_BW_40: 40 MHz bandwidth
* @RATE_INFO_BW_80: 80 MHz bandwidth
* @RATE_INFO_BW_160: 160 MHz bandwidth
+ * @RATE_INFO_BW_HE_RU: bandwidth determined by HE RU allocation
*/
enum rate_info_bw {
RATE_INFO_BW_20 = 0,
RATE_INFO_BW_40,
RATE_INFO_BW_80,
RATE_INFO_BW_160,
+ RATE_INFO_BW_HE_RU,
};
/**
* Information about a receiving or transmitting bitrate
*
* @flags: bitflag of flags from &enum rate_info_flags
- * @mcs: mcs index if struct describes a 802.11n bitrate
+ * @mcs: mcs index if struct describes an HT/VHT/HE rate
* @legacy: bitrate in 100kbit/s for 802.11abg
- * @nss: number of streams (VHT only)
+ * @nss: number of streams (VHT & HE only)
* @bw: bandwidth (from &enum rate_info_bw)
+ * @he_gi: HE guard interval (from &enum nl80211_he_gi)
+ * @he_dcm: HE DCM value
+ * @he_ru_alloc: HE RU allocation (from &enum nl80211_he_ru_alloc,
+ * only valid if bw is %RATE_INFO_BW_HE_RU)
*/
struct rate_info {
u8 flags;
u16 legacy;
u8 nss;
u8 bw;
+ u8 he_gi;
+ u8 he_dcm;
+ u8 he_ru_alloc;
};
/**
projects / platform / kernel / linux-starfive.git / blobdiff