X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=include%2Flinux%2Fieee80211.h;h=01f42291a7ab65587bb53e135c4a2a8623d1e0e3;hb=cbee1b9760c3c8a8897d85683e46b03f3177b089;hp=d0656646697346b5f8b7b3db2909c5741d6db9b7;hpb=decfaafb9a9a13b528782ad601e5d6ab6c913e6a;p=carl9170fw.git

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index d065664..01f4229 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -2877,6 +2877,7 @@ ieee80211_he_spr_size(const u8 *he_spr_ie)
 
 /* Maximum number of supported EHT LTF is split */
 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK	0xc0
+#define IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF		0x40
 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK	0x07
 
 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK			0x78
@@ -4409,6 +4410,8 @@ static inline bool for_each_element_completed(const struct element *element,
 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED			0x04
 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC			0x08
 #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
 
@@ -4543,15 +4546,12 @@ static inline u8 ieee80211_mle_common_size(const u8 *data)
 	case IEEE80211_ML_CONTROL_TYPE_BASIC:
 	case IEEE80211_ML_CONTROL_TYPE_PREQ:
 	case IEEE80211_ML_CONTROL_TYPE_TDLS:
+	case IEEE80211_ML_CONTROL_TYPE_RECONF:
 		/*
 		 * The length is the first octet pointed by mle->variable so no
 		 * need to add anything
 		 */
 		break;
-	case IEEE80211_ML_CONTROL_TYPE_RECONF:
-		if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
-			common += 6;
-		return common;
 	case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
 		if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
 			common += 6;
@@ -4563,6 +4563,76 @@ static inline u8 ieee80211_mle_common_size(const u8 *data)
 	return sizeof(*mle) + common + mle->variable[0];
 }
 
+/**
+ * ieee80211_mle_get_eml_sync_delay - returns the medium sync delay
+ * @data: pointer to the multi link EHT IE
+ *
+ * The element is assumed to be big enough. This must be checked by
+ * ieee80211_mle_size_ok().
+ * If the medium synchronization can't be found (the type is not basic, or
+ * the medium sync presence bit is clear), 0 will be returned.
+ */
+static inline u16 ieee80211_mle_get_eml_med_sync_delay(const u8 *data)
+{
+	const struct ieee80211_multi_link_elem *mle = (const void *)data;
+	u16 control = le16_to_cpu(mle->control);
+	const u8 *common = mle->variable;
+
+	if (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE) !=
+	    IEEE80211_ML_CONTROL_TYPE_BASIC)
+		return 0;
+
+	/* 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_MED_SYNC_DELAY))
+		return 0;
+
+	if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
+		common += 1;
+	if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
+		common += 1;
+
+	return get_unaligned_le16(common);
+}
+
+/**
+ * ieee80211_mle_get_eml_cap - returns the EML capability
+ * @data: pointer to the multi link EHT IE
+ *
+ * The element is assumed to be big enough. This must be checked by
+ * ieee80211_mle_size_ok().
+ * If the EML capability can't be found (the type is not basic, or
+ * the EML capability presence bit is clear), 0 will be returned.
+ */
+static inline u16 ieee80211_mle_get_eml_cap(const u8 *data)
+{
+	const struct ieee80211_multi_link_elem *mle = (const void *)data;
+	u16 control = le16_to_cpu(mle->control);
+	const u8 *common = mle->variable;
+
+	if (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE) !=
+	    IEEE80211_ML_CONTROL_TYPE_BASIC)
+		return 0;
+
+	/* 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_EML_CAPA))
+		return 0;
+
+	if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
+		common += 1;
+	if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
+		common += 1;
+	if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
+		common += 2;
+
+	return get_unaligned_le16(common);
+}
+
 /**
  * ieee80211_mle_size_ok - validate multi-link element size
  * @data: pointer to the element data
@@ -4653,11 +4723,13 @@ struct ieee80211_mle_per_sta_profile {
 } __packed;
 
 /**
- * ieee80211_mle_sta_prof_size_ok - validate multi-link element sta profile size
+ * ieee80211_mle_basic_sta_prof_size_ok - validate basic 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_sta_prof_size_ok(const u8 *data, size_t len)
+static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data,
+							size_t len)
 {
 	const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
 	u16 control;