X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=include%2Flinux%2Fieee80211.h;h=8858f88c8e3c36c4289eff9ee83ade3917044114;hb=4f8f614223e9479352922e589f87f93d2688d86a;hp=5fb8142cf08e6dd14d94281ceec790d81b9e7a7d;hpb=e771333fb9781c6015d244e489182311a0608231;p=carl9170fw.git

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 5fb8142..8858f88 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -2014,12 +2014,18 @@ struct ieee80211_mu_edca_param_set {
  * @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];
+	};
 };
 
 /**
@@ -2039,11 +2045,17 @@ struct ieee80211_eht_mcs_nss_supp_20mhz_only {
  * @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];
+	};
 };
 
 /**
@@ -2096,7 +2108,7 @@ struct ieee80211_eht_cap_elem {
  */
 struct ieee80211_eht_operation {
 	u8 params;
-	__le32 basic_mcs_nss;
+	struct ieee80211_eht_mcs_nss_supp_20mhz_only basic_mcs_nss;
 	u8 optional[];
 } __packed;
 
@@ -4605,6 +4617,34 @@ static inline u8 ieee80211_mle_common_size(const u8 *data)
 	return sizeof(*mle) + common + mle->variable[0];
 }
 
+/**
+ * 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_sync_delay - returns the medium sync delay
  * @data: pointer to the multi link EHT IE
@@ -4818,6 +4858,42 @@ static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data,
 	       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_BITMAP_SIZE) {
+		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