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authorWen Gong <wgong@codeaurora.org>2021-09-24 06:00:52 -0400
committerJohannes Berg <johannes.berg@intel.com>2021-09-27 13:20:42 +0200
commit63214f02cff9ebd57be00e143de12107c66f5394 (patch)
tree103474a3213d9d4cedbea73a975da9ec42b9b8a6 /net/mac80211
parentcb751b7a57e50d356ec8fc7712c245a05515e787 (diff)
downloadlinux-63214f02cff9ebd57be00e143de12107c66f5394.tar.bz2
mac80211: save transmit power envelope element and power constraint
This is to save the transmit power envelope element and power constraint in struct ieee80211_bss_conf for 6 GHz. Lower driver will use this info to calculate the power limit. Signed-off-by: Wen Gong <wgong@codeaurora.org> Link: https://lore.kernel.org/r/20210924100052.32029-7-wgong@codeaurora.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/mlme.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 29388204889f..0ec183a92a01 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2258,6 +2258,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
+ struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
u32 changed = 0;
struct ieee80211_prep_tx_info info = {
.subtype = stype,
@@ -2407,6 +2408,10 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
cancel_delayed_work_sync(&ifmgd->tx_tspec_wk);
sdata->encrypt_headroom = IEEE80211_ENCRYPT_HEADROOM;
+
+ bss_conf->pwr_reduction = 0;
+ bss_conf->tx_pwr_env_num = 0;
+ memset(bss_conf->tx_pwr_env, 0, sizeof(bss_conf->tx_pwr_env));
}
static void ieee80211_reset_ap_probe(struct ieee80211_sub_if_data *sdata)
@@ -5066,6 +5071,30 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE)) {
he_oper = elems->he_operation;
+ if (is_6ghz) {
+ struct ieee80211_bss_conf *bss_conf;
+ u8 i, j = 0;
+
+ bss_conf = &sdata->vif.bss_conf;
+
+ if (elems->pwr_constr_elem)
+ bss_conf->pwr_reduction = *elems->pwr_constr_elem;
+
+ BUILD_BUG_ON(ARRAY_SIZE(bss_conf->tx_pwr_env) !=
+ ARRAY_SIZE(elems->tx_pwr_env));
+
+ for (i = 0; i < elems->tx_pwr_env_num; i++) {
+ if (elems->tx_pwr_env_len[i] >
+ sizeof(bss_conf->tx_pwr_env[j]))
+ continue;
+
+ bss_conf->tx_pwr_env_num++;
+ memcpy(&bss_conf->tx_pwr_env[j], elems->tx_pwr_env[i],
+ elems->tx_pwr_env_len[i]);
+ j++;
+ }
+ }
+
if (!ieee80211_verify_sta_he_mcs_support(sdata, sband, he_oper))
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
}