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wifi: mac80211: track changes in AP's TPE

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If the TPE (transmit power envelope) is changed, detect and
report that to the driver.

Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506214536.103dda923f45.I990877e409ab8eade9ed7c172272e0cae57256cf@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2024-05-06 21:37:57 +02:00
parent 39dc8b8ea3
commit 5a009b42e0
2 changed files with 16 additions and 2 deletions
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2
include/net/mac80211.h
View file

@ -362,6 +362,7 @@ struct ieee80211_vif_chanctx_switch {
* status changed.
* @BSS_CHANGED_MLD_VALID_LINKS: MLD valid links status changed.
* @BSS_CHANGED_MLD_TTLM: negotiated TID to link mapping was changed
* @BSS_CHANGED_TPE: transmit power envelope changed
*/
enum ieee80211_bss_change {
BSS_CHANGED_ASSOC = 1<<0,
@ -398,6 +399,7 @@ enum ieee80211_bss_change {
BSS_CHANGED_UNSOL_BCAST_PROBE_RESP = 1<<31,
BSS_CHANGED_MLD_VALID_LINKS = BIT_ULL(33),
BSS_CHANGED_MLD_TTLM = BIT_ULL(34),
BSS_CHANGED_TPE = BIT_ULL(35),
/* when adding here, make sure to change ieee80211_reconfig */
};

16
net/mac80211/mlme.c
View file

@ -973,6 +973,7 @@ static int ieee80211_config_bw(struct ieee80211_link_data *link,
struct ieee80211_channel *channel = link->conf->chanreq.oper.chan;
struct ieee80211_sub_if_data *sdata = link->sdata;
struct ieee80211_chan_req chanreq = {};
struct cfg80211_chan_def ap_chandef;
enum ieee80211_conn_mode ap_mode;
u32 vht_cap_info = 0;
u16 ht_opmode;
@ -988,7 +989,7 @@ static int ieee80211_config_bw(struct ieee80211_link_data *link,
ap_mode = ieee80211_determine_ap_chan(sdata, channel, vht_cap_info,
elems, true, &link->u.mgd.conn,
&chanreq.ap);
&ap_chandef);
if (ap_mode != link->u.mgd.conn.mode) {
link_info(link,
@ -998,7 +999,8 @@ static int ieee80211_config_bw(struct ieee80211_link_data *link,
return -EINVAL;
}
chanreq.oper = chanreq.ap;
chanreq.ap = ap_chandef;
chanreq.oper = ap_chandef;
if (link->u.mgd.conn.mode < IEEE80211_CONN_MODE_EHT ||
sdata->vif.driver_flags & IEEE80211_VIF_IGNORE_OFDMA_WIDER_BW)
chanreq.ap.chan = NULL;
@ -1026,6 +1028,16 @@ static int ieee80211_config_bw(struct ieee80211_link_data *link,
ieee80211_min_bw_limit_from_chandef(&chanreq.oper))
ieee80211_chandef_downgrade(&chanreq.oper, NULL);
if (ap_chandef.chan->band == NL80211_BAND_6GHZ &&
link->u.mgd.conn.mode >= IEEE80211_CONN_MODE_HE) {
ieee80211_rearrange_tpe(&elems->tpe, &ap_chandef,
&chanreq.oper);
if (memcmp(&link->conf->tpe, &elems->tpe, sizeof(elems->tpe))) {
link->conf->tpe = elems->tpe;
*changed |= BSS_CHANGED_TPE;
}
}
if (ieee80211_chanreq_identical(&chanreq, &link->conf->chanreq))
return 0;