IEEE Std 802.11ax™-2021 have some change for transmit power envelope
element. This patch to add the definition of it.
Signed-off-by: Wen Gong <wgong@xxxxxxxxxxxxxx>
---
include/linux/ieee80211.h | 39 ++++++++++++++++++++++++++++++++++++++-
1 file changed, 38 insertions(+), 1 deletion(-)
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index deb2f536d104..65f5100052df 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -2290,6 +2290,43 @@ struct ieee80211_he_6ghz_oper {
u8 minrate;
} __packed;
+/**
+ * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
+ * it show 4 types in "Table 9-275a-Maximum Transmit Power Interpretation subfield encoding".
+ * And it has 2 category for each type in "Table E-12-Regulatory Info subfield encoding in the United States".
+ * So it it totally max 8 Transmit Power Envelope element.
+ */
+#define IEEE80211_TPE_MAX_IE_COUNT 8
+/**
+ * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
+ * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
+ */
+#define IEEE80211_MAX_NUM_PWR_LEVEL 8
+
+#define IEEE80211_TPE_MAX_POWER_COUNT 8
+
+/* transmit power interpretation type of transmit power envelope element*/
+enum ieee80211_tx_power_intrpt_type {
+ IEEE80211_TPE_LOCAL_EIRP,
+ IEEE80211_TPE_LOCAL_EIRP_PSD,
+ IEEE80211_TPE_REG_CLIENT_EIRP,
+ IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
+};
+
+/**
+ * struct ieee80211_tx_pwr_env
+ *
+ * This structure represents the "Transmit Power Envelope element"
+ */
+struct ieee80211_tx_pwr_env {
+ u8 tx_power_info;
+ s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
+} __packed;
+
+#define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
+#define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
+#define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
+
/*
* ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
* @he_oper_ie: byte data of the He Operations IE, stating from the byte
@@ -2871,7 +2908,7 @@ enum ieee80211_eid {
WLAN_EID_VHT_OPERATION = 192,
WLAN_EID_EXTENDED_BSS_LOAD = 193,
WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
- WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
+ WLAN_EID_TX_POWER_ENVELOPE = 195,
WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
WLAN_EID_AID = 197,
WLAN_EID_QUIET_CHANNEL = 198,
--
2.31.1
