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-rw-r--r--include/net/cfg80211.h97
1 files changed, 91 insertions, 6 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index d19e48f9fdc6..68713388b617 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -109,7 +109,12 @@ struct wiphy;
* on this channel.
* @IEEE80211_CHAN_16MHZ: 16 MHz bandwidth is permitted
* on this channel.
- *
+ * @IEEE80211_CHAN_NO_320MHZ: If the driver supports 320 MHz on the band,
+ * this flag indicates that a 320 MHz channel cannot use this
+ * channel as the control or any of the secondary channels.
+ * This may be due to the driver or due to regulatory bandwidth
+ * restrictions.
+ * @IEEE80211_CHAN_NO_EHT: EHT operation is not permitted on this channel.
*/
enum ieee80211_channel_flags {
IEEE80211_CHAN_DISABLED = 1<<0,
@@ -131,6 +136,8 @@ enum ieee80211_channel_flags {
IEEE80211_CHAN_4MHZ = 1<<16,
IEEE80211_CHAN_8MHZ = 1<<17,
IEEE80211_CHAN_16MHZ = 1<<18,
+ IEEE80211_CHAN_NO_320MHZ = 1<<19,
+ IEEE80211_CHAN_NO_EHT = 1<<20,
};
#define IEEE80211_CHAN_NO_HT40 \
@@ -361,6 +368,48 @@ struct ieee80211_sta_he_cap {
};
/**
+ * struct ieee80211_eht_mcs_nss_supp - EHT max supported NSS per MCS
+ *
+ * See P802.11be_D1.3 Table 9-401k - "Subfields of the Supported EHT-MCS
+ * and NSS Set field"
+ *
+ * @only_20mhz: MCS/NSS support for 20 MHz-only STA.
+ * @bw._80: MCS/NSS support for BW <= 80 MHz
+ * @bw._160: MCS/NSS support for BW = 160 MHz
+ * @bw._320: MCS/NSS support for BW = 320 MHz
+ */
+struct ieee80211_eht_mcs_nss_supp {
+ union {
+ struct ieee80211_eht_mcs_nss_supp_20mhz_only only_20mhz;
+ struct {
+ struct ieee80211_eht_mcs_nss_supp_bw _80;
+ struct ieee80211_eht_mcs_nss_supp_bw _160;
+ struct ieee80211_eht_mcs_nss_supp_bw _320;
+ } __packed bw;
+ } __packed;
+} __packed;
+
+#define IEEE80211_EHT_PPE_THRES_MAX_LEN 32
+
+/**
+ * struct ieee80211_sta_eht_cap - STA's EHT capabilities
+ *
+ * This structure describes most essential parameters needed
+ * to describe 802.11be EHT capabilities for a STA.
+ *
+ * @has_eht: true iff EHT data is valid.
+ * @eht_cap_elem: Fixed portion of the eht capabilities element.
+ * @eht_mcs_nss_supp: The supported NSS/MCS combinations.
+ * @eht_ppe_thres: Holds the PPE Thresholds data.
+ */
+struct ieee80211_sta_eht_cap {
+ bool has_eht;
+ struct ieee80211_eht_cap_elem_fixed eht_cap_elem;
+ struct ieee80211_eht_mcs_nss_supp eht_mcs_nss_supp;
+ u8 eht_ppe_thres[IEEE80211_EHT_PPE_THRES_MAX_LEN];
+};
+
+/**
* struct ieee80211_sband_iftype_data - sband data per interface type
*
* This structure encapsulates sband data that is relevant for the
@@ -379,6 +428,7 @@ struct ieee80211_sband_iftype_data {
u16 types_mask;
struct ieee80211_sta_he_cap he_cap;
struct ieee80211_he_6ghz_capa he_6ghz_capa;
+ struct ieee80211_sta_eht_cap eht_cap;
struct {
const u8 *data;
unsigned int len;
@@ -562,6 +612,26 @@ ieee80211_get_he_6ghz_capa(const struct ieee80211_supported_band *sband,
}
/**
+ * ieee80211_get_eht_iftype_cap - return ETH capabilities for an sband's iftype
+ * @sband: the sband to search for the iftype on
+ * @iftype: enum nl80211_iftype
+ *
+ * Return: pointer to the struct ieee80211_sta_eht_cap, or NULL is none found
+ */
+static inline const struct ieee80211_sta_eht_cap *
+ieee80211_get_eht_iftype_cap(const struct ieee80211_supported_band *sband,
+ enum nl80211_iftype iftype)
+{
+ const struct ieee80211_sband_iftype_data *data =
+ ieee80211_get_sband_iftype_data(sband, iftype);
+
+ if (data && data->eht_cap.has_eht)
+ return &data->eht_cap;
+
+ return NULL;
+}
+
+/**
* wiphy_read_of_freq_limits - read frequency limits from device tree
*
* @wiphy: the wireless device to get extra limits for
@@ -1417,6 +1487,8 @@ struct sta_txpwr {
* @airtime_weight: airtime scheduler weight for this station
* @txpwr: transmit power for an associated station
* @he_6ghz_capa: HE 6 GHz Band capabilities of station
+ * @eht_capa: EHT capabilities of station
+ * @eht_capa_len: the length of the EHT capabilities
*/
struct station_parameters {
const u8 *supported_rates;
@@ -1450,6 +1522,8 @@ struct station_parameters {
u16 airtime_weight;
struct sta_txpwr txpwr;
const struct ieee80211_he_6ghz_capa *he_6ghz_capa;
+ const struct ieee80211_eht_cap_elem *eht_capa;
+ u8 eht_capa_len;
};
/**
@@ -1527,6 +1601,7 @@ int cfg80211_check_station_change(struct wiphy *wiphy,
* @RATE_INFO_FLAGS_HE_MCS: HE MCS information
* @RATE_INFO_FLAGS_EDMG: 60GHz MCS in EDMG mode
* @RATE_INFO_FLAGS_EXTENDED_SC_DMG: 60GHz extended SC MCS
+ * @RATE_INFO_FLAGS_EHT_MCS: EHT MCS information
*/
enum rate_info_flags {
RATE_INFO_FLAGS_MCS = BIT(0),
@@ -1536,6 +1611,7 @@ enum rate_info_flags {
RATE_INFO_FLAGS_HE_MCS = BIT(4),
RATE_INFO_FLAGS_EDMG = BIT(5),
RATE_INFO_FLAGS_EXTENDED_SC_DMG = BIT(6),
+ RATE_INFO_FLAGS_EHT_MCS = BIT(7),
};
/**
@@ -1550,6 +1626,8 @@ enum rate_info_flags {
* @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
+ * @RATE_INFO_BW_320: 320 MHz bandwidth
+ * @RATE_INFO_BW_EHT_RU: bandwidth determined by EHT RU allocation
*/
enum rate_info_bw {
RATE_INFO_BW_20 = 0,
@@ -1559,6 +1637,8 @@ enum rate_info_bw {
RATE_INFO_BW_80,
RATE_INFO_BW_160,
RATE_INFO_BW_HE_RU,
+ RATE_INFO_BW_320,
+ RATE_INFO_BW_EHT_RU,
};
/**
@@ -1576,6 +1656,9 @@ enum rate_info_bw {
* @he_ru_alloc: HE RU allocation (from &enum nl80211_he_ru_alloc,
* only valid if bw is %RATE_INFO_BW_HE_RU)
* @n_bonded_ch: In case of EDMG the number of bonded channels (1-4)
+ * @eht_gi: EHT guard interval (from &enum nl80211_eht_gi)
+ * @eht_ru_alloc: EHT RU allocation (from &enum nl80211_eht_ru_alloc,
+ * only valid if bw is %RATE_INFO_BW_EHT_RU)
*/
struct rate_info {
u8 flags;
@@ -1587,6 +1670,8 @@ struct rate_info {
u8 he_dcm;
u8 he_ru_alloc;
u8 n_bonded_ch;
+ u8 eht_gi;
+ u8 eht_ru_alloc;
};
/**
@@ -2604,7 +2689,7 @@ const struct element *ieee80211_bss_get_elem(struct cfg80211_bss *bss, u8 id);
*/
static inline const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 id)
{
- return (void *)ieee80211_bss_get_elem(bss, id);
+ return (const void *)ieee80211_bss_get_elem(bss, id);
}
@@ -5970,9 +6055,9 @@ cfg80211_find_ie_match(u8 eid, const u8 *ies, unsigned int len,
(!match_len && match_offset)))
return NULL;
- return (void *)cfg80211_find_elem_match(eid, ies, len,
- match, match_len,
- match_offset ?
+ return (const void *)cfg80211_find_elem_match(eid, ies, len,
+ match, match_len,
+ match_offset ?
match_offset - 2 : 0);
}
@@ -6099,7 +6184,7 @@ static inline const u8 *
cfg80211_find_vendor_ie(unsigned int oui, int oui_type,
const u8 *ies, unsigned int len)
{
- return (void *)cfg80211_find_vendor_elem(oui, oui_type, ies, len);
+ return (const void *)cfg80211_find_vendor_elem(oui, oui_type, ies, len);
}
/**