diff mbox series

[11/14] wifi: mac80211: parse A-MSDU len from EHT capabilities

Message ID 20241007144851.e05da59c419a.I0b1c047639160d9a96f48ab013c18ea33f5473b0@changeid (mailing list archive)
State Accepted
Delegated to: Johannes Berg
Headers show
Series mac80211/cfg80211 updates 07-10-2024 | expand

Commit Message

Miri Korenblit Oct. 7, 2024, noon UTC 
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>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
---
 net/mac80211/eht.c | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/net/mac80211/eht.c b/net/mac80211/eht.c
index ddc7acc68335..7a3116c36df9 100644
--- a/net/mac80211/eht.c
+++ b/net/mac80211/eht.c
@@ -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);
 }