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diff --git a/sys/dev/ath/if_ath_tx_ht.c b/sys/dev/ath/if_ath_tx_ht.c
--- a/sys/dev/ath/if_ath_tx_ht.c
+++ b/sys/dev/ath/if_ath_tx_ht.c
@@ -222,7 +222,6 @@
ath_tx_rate_fill_rcflags(struct ath_softc *sc, struct ath_buf *bf)
{
struct ieee80211_node *ni = bf->bf_node;
- struct ieee80211vap *vap = ni->ni_vap;
struct ieee80211com *ic = ni->ni_ic;
const HAL_RATE_TABLE *rt = sc->sc_currates;
struct ath_rc_series *rc = bf->bf_state.bfs_rc;
@@ -297,17 +296,13 @@
* we are always "out" by some amount.
*/
if (ni->ni_chw == 40 &&
- ic->ic_htcaps & IEEE80211_HTCAP_SHORTGI40 &&
- ni->ni_htcap & IEEE80211_HTCAP_SHORTGI40 &&
- vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40 &&
+ ieee80211_ht_check_tx_shortgi_40(ni) &&
(bf->bf_flags & ATH_BUF_TOA_PROBE) == 0) {
rc[i].flags |= ATH_RC_SGI_FLAG;
}
if (ni->ni_chw == 20 &&
- ic->ic_htcaps & IEEE80211_HTCAP_SHORTGI20 &&
- ni->ni_htcap & IEEE80211_HTCAP_SHORTGI20 &&
- vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20 &&
+ ieee80211_ht_check_tx_shortgi_20(ni) &&
(bf->bf_flags & ATH_BUF_TOA_PROBE) == 0) {
rc[i].flags |= ATH_RC_SGI_FLAG;
}
@@ -406,7 +401,6 @@
{
const HAL_RATE_TABLE *rt = sc->sc_currates;
struct ieee80211_node *ni = first_bf->bf_node;
- struct ieee80211vap *vap = ni->ni_vap;
int ndelim, mindelim = 0;
int mpdudensity; /* in 1/100'th of a microsecond */
int peer_mpdudensity; /* net80211 value */
@@ -418,17 +412,7 @@
/*
* Get the advertised density from the node.
*/
- peer_mpdudensity =
- _IEEE80211_MASKSHIFT(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
-
- /*
- * vap->iv_ampdu_density is a net80211 value, rather than the actual
- * density. Larger values are longer A-MPDU density spacing values,
- * and we want to obey larger configured / negotiated density values
- * per station if we get it.
- */
- if (vap->iv_ampdu_density > peer_mpdudensity)
- peer_mpdudensity = vap->iv_ampdu_density;
+ peer_mpdudensity = ieee80211_ht_get_node_ampdu_density(ni);
/*
* Convert the A-MPDU density net80211 value to a 1/100 microsecond
@@ -563,8 +547,6 @@
ath_get_aggr_limit(struct ath_softc *sc, struct ieee80211_node *ni,
struct ath_buf *bf)
{
- struct ieee80211vap *vap = ni->ni_vap;
-
int amin = ATH_AGGR_MAXSIZE;
int i;
@@ -572,15 +554,9 @@
if (sc->sc_aggr_limit > 0 && sc->sc_aggr_limit < ATH_AGGR_MAXSIZE)
amin = sc->sc_aggr_limit;
- /* Check the vap configured transmit limit */
- amin = MIN(amin, ath_rx_ampdu_to_byte(vap->iv_ampdu_limit));
-
- /*
- * Check the HTCAP field for the maximum size the node has
- * negotiated. If it's smaller than what we have, cap it there.
- */
- amin = MIN(amin, ath_rx_ampdu_to_byte(
- _IEEE80211_MASKSHIFT(ni->ni_htparam, IEEE80211_HTCAP_MAXRXAMPDU)));
+ /* Check the vap and node configured transmit limit */
+ amin = MIN(amin,
+ ath_rx_ampdu_to_byte(ieee80211_ht_get_node_ampdu_limit(ni)));
for (i = 0; i < ATH_RC_NUM; i++) {
if (bf->bf_state.bfs_rc[i].tries == 0)

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