diff mbox series

[v2,6/8] mac80211: add definition for transmit power envelope element

Message ID 20210820122041.12157-7-wgong@codeaurora.org (mailing list archive)
State Accepted
Delegated to: Johannes Berg
Headers show
Series cfg80211/mac80211: Add support for 6GHZ STA for various modes : LPI, SP and VLP | expand

Commit Message

Wen Gong Aug. 20, 2021, 12:20 p.m. UTC 
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@codeaurora.org>
---
 include/linux/ieee80211.h | 39 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)

Comments

Johannes Berg Aug. 26, 2021, 8:30 a.m. UTC | #1 
On Fri, 2021-08-20 at 08:20 -0400, Wen Gong wrote:
> IEEE Std 802.11ax™-2021 have some change for transmit power envelope
> element. This patch to add the definition of it.
> 

Generally: I'm sure Kalle has some page on this, but your commit
messages could use some work - you don't need to say "this patch" for
example, that's entirely obvious :)


> 
> +/**

not actually kernel-doc, but I can fix 

> + * 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.

very long lines, will fix that too

johannes
diff mbox series

Patch

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,