Commit b0345850 authored by Wen Gong's avatar Wen Gong Committed by Johannes Berg
Browse files

mac80211: parse transmit power envelope element 



Parse and store the transmit power envelope element.

Signed-off-by: default avatarWen Gong <wgong@codeaurora.org>
Link: https://lore.kernel.org/r/20210820122041.12157-8-wgong@codeaurora.org


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent ad31393b

net/mac80211/ieee80211_i.h

+3 −0
Original line number Diff line number Diff line
@@ -1534,6 +1534,7 @@ 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;
@@ -1584,6 +1585,8 @@ 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;

net/mac80211/util.c

+12 −0
Original line number Diff line number Diff line
@@ -1336,6 +1336,18 @@ _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 (elen < 1 ||

			    elen > sizeof(struct ieee80211_tx_pwr_env))

				break;



			if (elems->tx_pwr_env_num >= ARRAY_SIZE(elems->tx_pwr_env))

				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,