diff options
| author |   Wen Gong <wgong@codeaurora.org> | 2021-08-20 08:20:40 -0400 |
|---|---|---|
| committer |   Johannes Berg <johannes.berg@intel.com> | 2021-08-26 10:18:56 +0200 |
| commit | b0345850ad770c5164bf6d4a0aa0c40ef2419cb0 (patch) | |
| tree | aec26861a0cd7a4c6b8f86aa27005c7ed20b32f4 /net | |
| parent | ieee80211: add definition for transmit power envelope element (diff) | |
| download | linux-dev-b0345850ad770c5164bf6d4a0aa0c40ef2419cb0.tar.xz linux-dev-b0345850ad770c5164bf6d4a0aa0c40ef2419cb0.zip | |
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')
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 3 | ||||
| -rw-r--r-- | net/mac80211/util.c | 12 |
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, |