diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
index 098d48153a38787d6a4712f36c080a154d533fee..10a08fae2942f82a03e271f5f23836504d081fc3 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
@@ -384,7 +384,7 @@ void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm,
 	rcu_read_unlock();
 }
 
-static u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *sta)
+u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *sta)
 {
 	const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
 	const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index 42d525e46e805b87a9ed21e45afa8d35dd2db611..0a442cb7f223e744943d3b7560921c02a0ca6fc0 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
@@ -1533,6 +1533,8 @@ static void rs_set_amsdu_len(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
 	int i;
 
+	sta->max_amsdu_len = rs_fw_get_max_amsdu_len(sta);
+
 	/*
 	 * In case TLC offload is not active amsdu_enabled is either 0xFFFF
 	 * or 0, since there is no per-TID alg.
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
index 7cd62c5622cebe4d20445640348611096602825d..32104c9f8f5eed0cf41b5352c03c918ac532789e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
@@ -452,4 +452,6 @@ int rs_fw_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
 			bool enable);
 void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm,
 			      struct iwl_rx_cmd_buffer *rxb);
+
+u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *sta);
 #endif /* __rs__ */