Commit cf36cdef authored by Ilan Peer's avatar Ilan Peer Committed by Johannes Berg
Browse files

wifi: mac80211: Add support for parsing Reconfiguration Multi Link element 



Parse Reconfiguration Multi Link IE.

Signed-off-by: default avatarIlan Peer <ilan.peer@intel.com>
Signed-off-by: default avatarGregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230616094949.6eeb6c9a4a6e.I1cb137da9b3c712fc7c7949a6dec9e314b5d7f63@changeid


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent a286de1a

net/mac80211/ieee80211_i.h

+5 −0
Original line number Diff line number Diff line
@@ -1727,6 +1727,7 @@ struct ieee802_11_elems { 
	const struct ieee80211_eht_cap_elem *eht_cap;

	const struct ieee80211_eht_operation *eht_operation;

	const struct ieee80211_multi_link_elem *ml_basic;

	const struct ieee80211_multi_link_elem *ml_reconf;



	/* length of them, respectively */

	u8 ext_capab_len;
@@ -1752,10 +1753,14 @@ struct ieee802_11_elems { 


	/* mult-link element can be de-fragmented and thus u8 is not sufficient */

	size_t ml_basic_len;

	size_t ml_reconf_len;



	/* The basic Multi-Link element in the original IEs */

	const struct element *ml_basic_elem;



	/* The reconfiguration Multi-Link element in the original IEs */

	const struct element *ml_reconf_elem;



	/*

	 * store the per station profile pointer and length in case that the

	 * parsing also handled Multi-Link element parsing for a specific link

net/mac80211/util.c

+18 −3
Original line number Diff line number Diff line
@@ -984,9 +984,24 @@ ieee80211_parse_extension_element(u32 *crc, 
		break;

	case WLAN_EID_EXT_EHT_MULTI_LINK:

		if (ieee80211_mle_size_ok(data, len)) {

			const struct ieee80211_multi_link_elem *mle =

				(void *)data;



			switch (le16_get_bits(mle->control,

					      IEEE80211_ML_CONTROL_TYPE)) {

			case IEEE80211_ML_CONTROL_TYPE_BASIC:

				elems->ml_basic_elem = (void *)elem;

			elems->ml_basic = (void *)data;

				elems->ml_basic = data;

				elems->ml_basic_len = len;

				break;

			case IEEE80211_ML_CONTROL_TYPE_RECONF:

				elems->ml_reconf_elem = (void *)elem;

				elems->ml_reconf = data;

				elems->ml_reconf_len = len;

				break;

			default:

				break;

			}

		}

		break;

	}