wlan-ap-Telecominfraproject/feeds/wifi-ax/mac80211/patches/qca/333-0004-ieee80211-add-definition-for-transmit-power-envelope.patch
John Crispin d29c4e49b3 mac80211-qsdk: update to ath11.5-cs
Signed-off-by: John Crispin <john@phrozen.org>
2022-05-17 07:45:32 +02:00

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From 7f6fd164988049273d4313643d64baf946daf5c4 Mon Sep 17 00:00:00 2001
From: Wen Gong <quic_wgong@quicinc.com>
Date: Tue, 2 Nov 2021 13:27:26 +0530
Subject: [PATCH] ieee80211: add definition for transmit power envelope element
IEEE Std 802.11ax™-2021 makes changes to the transmit power envelope
element, adjust the code accordingly.
Signed-off-by: Wen Gong <quic_wgong@quicinc.com>
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
---
include/linux/ieee80211.h | 41 ++++++++++++++++++++++++++++++++++++++++-
1 file changed, 39 insertions(+), 1 deletion(-)
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 9cadd2c..af12b72 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -2332,6 +2332,44 @@ struct ieee80211_he_6ghz_oper {
} __packed;
/*
+ * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
+ * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
+ * subfield encoding", and two 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
* after the ext ID byte. It is assumed that he_oper_ie has at least
@@ -2912,7 +2951,7 @@ 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,
--
2.7.4