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[v3,12/19] mac80211: Support parsing EHT elements

Message ID 20220214173004.4d52ddaf1af4.Ib6beb1aa85e25b71ce40d3260b2e5b117cc42308@changeid (mailing list archive)
State Accepted
Delegated to: Johannes Berg
Headers show
Series [v3,01/19] mac80211_hwsim: check TX and STA bandwidth | expand

Commit Message

Johannes Berg Feb. 14, 2022, 4:29 p.m. UTC 
From: Ilan Peer <ilan.peer@intel.com>

Parse the new EHT elements in the element parsing utilities.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
 net/mac80211/ieee80211_i.h |  3 +++
 net/mac80211/util.c        | 11 +++++++++++
 2 files changed, 14 insertions(+)
diff mbox series

Patch

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index da35791b8378..538d047d7f27 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1587,6 +1587,8 @@  struct ieee802_11_elems {
 	const struct ieee80211_s1g_oper_ie *s1g_oper;
 	const struct ieee80211_s1g_bcn_compat_ie *s1g_bcn_compat;
 	const struct ieee80211_aid_response_ie *aid_resp;
+	const struct ieee80211_eht_cap_elem *eht_cap;
+	const struct ieee80211_eht_operation *eht_operation;
 
 	/* length of them, respectively */
 	u8 ext_capab_len;
@@ -1608,6 +1610,7 @@  struct ieee802_11_elems {
 	u8 bssid_index_len;
 	u8 tx_pwr_env_len[IEEE80211_TPE_MAX_IE_COUNT];
 	u8 tx_pwr_env_num;
+	u8 eht_cap_len;
 
 	/* 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 1a8e18794387..b3c3191b86ee 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1008,6 +1008,17 @@  static void ieee80211_parse_extension_element(u32 *crc,
 		if (len >= sizeof(*elems->he_6ghz_capa))
 			elems->he_6ghz_capa = data;
 		break;
+	case WLAN_EID_EXT_EHT_CAPABILITY:
+		if (ieee80211_eht_capa_size_ok(elems->he_cap,
+					       data, len)) {
+			elems->eht_cap = data;
+			elems->eht_cap_len = len;
+		}
+		break;
+	case WLAN_EID_EXT_EHT_OPERATION:
+		if (ieee80211_eht_oper_size_ok(data, len))
+			elems->eht_operation = data;
+		break;
 	}
 }