The transmit power envelope elements in beacon is used to calculate
the power limit by lower driver, and sometimes it has more than
one elements in a beacon frame.
This is to add parse the transmit power envelope elements, then it
will be saved and transfer to lower driver to calculate the power
limit.
Signed-off-by: Wen Gong <wgong@xxxxxxxxxxxxxx>
---
net/mac80211/ieee80211_i.h | 3 +++
net/mac80211/util.c | 10 ++++++++++
2 files changed, 13 insertions(+)
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 648696b49f89..bb62de5e3758 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1494,6 +1494,7 @@ struct ieee802_11_elems {
const struct ieee80211_he_spr *he_spr;
const struct ieee80211_mu_edca_param_set *mu_edca_param_set;
const struct ieee80211_he_6ghz_capa *he_6ghz_capa;
+ const struct ieee80211_tx_pwr_env *tx_pwr_env[IEEE80211_TPE_MAX_IE_COUNT];
const u8 *uora_element;
const u8 *mesh_id;
const u8 *peering;
@@ -1544,6 +1545,8 @@ struct ieee802_11_elems {
u8 perr_len;
u8 country_elem_len;
u8 bssid_index_len;
+ u8 tx_pwr_env_len[IEEE80211_TPE_MAX_IE_COUNT];
+ u8 tx_pwr_env_num;
/* whether a parse error occurred while retrieving these elements */
bool parse_error;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 04f2ba530d4f..c94ba3221086 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1336,6 +1336,16 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
elems->rsnx = pos;
elems->rsnx_len = elen;
break;
+ case WLAN_EID_TX_POWER_ENVELOPE:
+ if (elems->tx_pwr_env_num >= ARRAY_SIZE(elems->tx_pwr_env) ||
+ elen < 1 ||
+ elen > sizeof(elems->tx_pwr_env[0]))
+ break;
+
+ elems->tx_pwr_env[elems->tx_pwr_env_num] = (void *)pos;
+ elems->tx_pwr_env_len[elems->tx_pwr_env_num] = elen;
+ elems->tx_pwr_env_num++;
+ break;
case WLAN_EID_EXTENSION:
ieee80211_parse_extension_element(calc_crc ?
&crc : NULL,
--
2.31.1
