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authorWen Gong <wgong@codeaurora.org>2021-08-20 15:20:40 +0300
committerJohannes Berg <johannes.berg@intel.com>2021-08-26 11:18:56 +0300
commitb0345850ad770c5164bf6d4a0aa0c40ef2419cb0 (patch)
treeaec26861a0cd7a4c6b8f86aa27005c7ed20b32f4 /net/mac80211
parentad31393b98e4addbc5f1ccc484bfbb8d07c92056 (diff)
downloadlinux-b0345850ad770c5164bf6d4a0aa0c40ef2419cb0.tar.xz
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>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/ieee80211_i.h3
-rw-r--r--net/mac80211/util.c12
2 files changed, 15 insertions, 0 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 4d830a9c7b18..159af6c3ffb0 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -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;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 05e96212b104..49cb96d25169 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -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,