wifi: mac80211: Rename multi_link

As a preparation to support Reconfiguration Multi Link
element, rename 'multi_link' and 'multi_link_len' fields
in 'struct ieee802_11_elems' to 'ml_basic' and 'ml_basic_len'.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230616094949.b11370d3066a.I34280ae3728597056a6a2f313063962206c0d581@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/ieee80211_i.h

@@ -1726,7 +1726,7 @@ struct ieee802_11_elems {
 	const struct ieee80211_aid_response_ie *aid_resp;
 	const struct ieee80211_eht_cap_elem *eht_cap;
 	const struct ieee80211_eht_operation *eht_operation;
-	const struct ieee80211_multi_link_elem *multi_link;
+	const struct ieee80211_multi_link_elem *ml_basic;
 
 	/* length of them, respectively */
 	u8 ext_capab_len;
@@ -1751,9 +1751,10 @@ struct ieee802_11_elems {
 	u8 eht_cap_len;
 
 	/* mult-link element can be de-fragmented and thus u8 is not sufficient */
-	size_t multi_link_len;
-	/* The element in the original IEs */
-	const struct element *multi_link_elem;
+	size_t ml_basic_len;
+
+	/* The basic Multi-Link element in the original IEs */
+	const struct element *ml_basic_elem;
 
 	/*
 	 * store the per station profile pointer and length in case that the

net/mac80211/mlme.c

@@ -5277,24 +5277,24 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 		}
 
 		if (ieee80211_vif_is_mld(&sdata->vif)) {
-			if (!elems->multi_link) {
+			if (!elems->ml_basic) {
 				sdata_info(sdata,
 					   "MLO association with %pM but no multi-link element in response!\n",
 					   assoc_data->ap_addr);
 				goto abandon_assoc;
 			}
 
-			if (le16_get_bits(elems->multi_link->control,
+			if (le16_get_bits(elems->ml_basic->control,
 					  IEEE80211_ML_CONTROL_TYPE) !=
 					IEEE80211_ML_CONTROL_TYPE_BASIC) {
 				sdata_info(sdata,
 					   "bad multi-link element (control=0x%x)\n",
-					   le16_to_cpu(elems->multi_link->control));
+					   le16_to_cpu(elems->ml_basic->control));
 				goto abandon_assoc;
 			} else {
 				struct ieee80211_mle_basic_common_info *common;
 
-				common = (void *)elems->multi_link->variable;
+				common = (void *)elems->ml_basic->variable;
 
 				if (memcmp(assoc_data->ap_addr,
 					   common->mld_mac_addr, ETH_ALEN)) {

net/mac80211/util.c

@@ -984,9 +984,9 @@ ieee80211_parse_extension_element(u32 *crc,
 		break;
 	case WLAN_EID_EXT_EHT_MULTI_LINK:
 		if (ieee80211_mle_size_ok(data, len)) {
-			elems->multi_link_elem = (void *)elem;
-			elems->multi_link = (void *)data;
-			elems->multi_link_len = len;
+			elems->ml_basic_elem = (void *)elem;
+			elems->ml_basic = (void *)data;
+			elems->ml_basic_len = len;
 		}
 		break;
 	}
@@ -1462,8 +1462,8 @@ static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len,
 static void ieee80211_mle_get_sta_prof(struct ieee802_11_elems *elems,
 				       u8 link_id)
 {
-	const struct ieee80211_multi_link_elem *ml = elems->multi_link;
-	ssize_t ml_len = elems->multi_link_len;
+	const struct ieee80211_multi_link_elem *ml = elems->ml_basic;
+	ssize_t ml_len = elems->ml_basic_len;
 	const struct element *sub;
 
 	if (!ml || !ml_len)
@@ -1523,14 +1523,14 @@ static void ieee80211_mle_parse_link(struct ieee802_11_elems *elems,
 		.from_ap = params->from_ap,
 		.link_id = -1,
 	};
-	ssize_t ml_len = elems->multi_link_len;
+	ssize_t ml_len = elems->ml_basic_len;
 	const struct element *non_inherit = NULL;
 	const u8 *end;
 
 	if (params->link_id == -1)
 		return;
 
-	ml_len = cfg80211_defragment_element(elems->multi_link_elem,
+	ml_len = cfg80211_defragment_element(elems->ml_basic_elem,
 					     elems->ie_start,
 					     elems->total_len,
 					     elems->scratch_pos,
@@ -1542,9 +1542,8 @@ static void ieee80211_mle_parse_link(struct ieee802_11_elems *elems,
 	if (ml_len < 0)
 		return;
 
-	elems->multi_link = (const void *)elems->scratch_pos;
-	elems->multi_link_len = ml_len;
-	elems->scratch_pos += ml_len;
+	elems->ml_basic = (const void *)elems->scratch_pos;
+	elems->ml_basic_len = ml_len;
 
 	ieee80211_mle_get_sta_prof(elems, params->link_id);
 	prof = elems->prof;