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

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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: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241007144851.e05da59c419a.I0b1c047639160d9a96f48ab013c18ea33f5473b0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Miri Korenblit 2024-10-07 15:00:55 +03:00 committed by Johannes Berg
parent 88b67e91e2
commit cf00792797
1 changed files with 20 additions and 1 deletions
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21
net/mac80211/eht.c
View File

@ -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);
}