[PATCH 9/9] mac80211: save transmit power envelope element and power constraint

[Wen Gong]

This patch is to save the transmit power envelope element and power
constraint in struct ieee80211_bss_conf for 6GHz.

Signed-off-by: Wen Gong <wgong at codeaurora.org>
---
 net/mac80211/mlme.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 2e33a1263518..5b02d78bd934 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -5076,6 +5076,27 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
 		else
 			he_oper = NULL;
 
+		if (is_6ghz) {
+			struct ieee802_11_elems elems;
+			struct ieee80211_bss_conf *bss_conf;
+			u8 i, n;
+
+			ieee802_11_parse_elems(ies->data, ies->len, false, &elems,
+					       NULL, NULL);
+			bss_conf = &sdata->vif.bss_conf;
+			bss_conf->pwr_reduction = 0;
+			if (elems.pwr_constr_elem)
+				bss_conf->pwr_reduction = *elems.pwr_constr_elem;
+
+			memset(bss_conf->tx_pwr_env, 0, sizeof(bss_conf->tx_pwr_env));
+			bss_conf->tx_pwr_env_num = elems.tx_pwr_env_num;
+			n = min_t(u8, elems.tx_pwr_env_num,
+				  ARRAY_SIZE(elems.tx_pwr_env));
+			for (i = 0; i < n; i++)
+				memcpy(&bss_conf->tx_pwr_env[i], elems.tx_pwr_env[i],
+				       elems.tx_pwr_env_len[i]);
+		}
+
 		if (!ieee80211_verify_sta_he_mcs_support(sband, he_oper))
 			ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
 	}
-- 
2.31.1