Commit cf007927 authored by Miri Korenblit's avatar Miri Korenblit Committed by Johannes Berg
Browse files

wifi: mac80211: parse A-MSDU len from EHT capabilities 



On 2.4 GHz there's no VHT, so EHT defines its own bits for
the maximum MPDU length. Parse and store them in the link_sta.

Signed-off-by: default avatarMiri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241007144851.e05da59c419a.I0b1c047639160d9a96f48ab013c18ea33f5473b0@changeid


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 88b67e91

net/mac80211/eht.c

+20 −1
Original line number Diff line number Diff line
@@ -2,7 +2,7 @@ 
/*

 * EHT handling

 *

 * Copyright(c) 2021-2023 Intel Corporation

 * Copyright(c) 2021-2024 Intel Corporation

 */



#include "ieee80211_i.h"
@@ -75,4 +75,23 @@ ieee80211_eht_cap_ie_to_sta_eht_cap(struct ieee80211_sub_if_data *sdata, 


	link_sta->cur_max_bandwidth = ieee80211_sta_cap_rx_bw(link_sta);

	link_sta->pub->bandwidth = ieee80211_sta_cur_vht_bw(link_sta);



	switch (u8_get_bits(eht_cap->eht_cap_elem.mac_cap_info[0],

			    IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK)) {

	case IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454:

		link_sta->pub->agg.max_amsdu_len =

			IEEE80211_MAX_MPDU_LEN_VHT_11454;

		break;

	case IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991:

		link_sta->pub->agg.max_amsdu_len =

			IEEE80211_MAX_MPDU_LEN_VHT_7991;

		break;

	case IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895:

	default:

		link_sta->pub->agg.max_amsdu_len =

			IEEE80211_MAX_MPDU_LEN_VHT_3895;

		break;

	}



	ieee80211_sta_recalc_aggregates(&link_sta->sta->sta);

}