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mac80211: parse transmit power envelope element 

Parse and store the transmit power envelope element.

Signed-off-by: Wen Gong <wgong@codeaurora.org>
Link: https://lore.kernel.org/r/20210820122041.12157-8-wgong@codeaurora.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Wen Gong 2021-08-20 08:20:40 -04:00 committed by Johannes Berg
parent ad31393b98
commit b0345850ad
2 changed files with 15 additions and 0 deletions
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3
net/mac80211/ieee80211_i.h
View File

@ -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;

12
net/mac80211/util.c
View File

@ -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,