ath9k: Remove ath_tx_aggr_resp()
Accessing mac80211's internal state machine is wrong.
Will add resumption of a TID in a later patch.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h
index 49d2f89..dd33cb7 100644
--- a/drivers/net/wireless/ath9k/core.h
+++ b/drivers/net/wireless/ath9k/core.h
@@ -588,14 +588,6 @@
ATH_AGGR_8K_LIMITED,
};
-enum ATH_AGGR_CHECK {
- AGGR_NOT_REQUIRED,
- AGGR_REQUIRED,
- AGGR_CLEANUP_PROGRESS,
- AGGR_EXCHANGE_PROGRESS,
- AGGR_EXCHANGE_DONE
-};
-
struct aggr_rifs_param {
int param_max_frames;
int param_max_len;
@@ -621,8 +613,7 @@
void ath_tx_resume_tid(struct ath_softc *sc,
struct ath_atx_tid *tid);
-enum ATH_AGGR_CHECK ath_tx_aggr_check(struct ath_softc *sc,
- struct ath_node *an, u8 tidno);
+bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno);
void ath_tx_aggr_teardown(struct ath_softc *sc,
struct ath_node *an, u8 tidno);
void ath_rx_aggr_teardown(struct ath_softc *sc,
diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c
index fecc839..aa6bfd7 100644
--- a/drivers/net/wireless/ath9k/rc.c
+++ b/drivers/net/wireless/ath9k/rc.c
@@ -1879,49 +1879,6 @@
tx_info->control.vif = NULL;
}
-static void ath_tx_aggr_resp(struct ath_softc *sc,
- struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta,
- struct ath_node *an,
- u8 tidno)
-{
- struct ath_atx_tid *txtid;
- u16 buffersize = 0;
- int state;
- struct sta_info *si;
-
- if (!(sc->sc_flags & SC_OP_TXAGGR))
- return;
-
- txtid = ATH_AN_2_TID(an, tidno);
- if (!txtid->paused)
- return;
-
- /*
- * XXX: This is entirely busted, we aren't supposed to
- * access the sta from here because it's internal
- * to mac80211, and looking at the state without
- * locking is wrong too.
- */
- si = container_of(sta, struct sta_info, sta);
- buffersize = IEEE80211_MIN_AMPDU_BUF <<
- sband->ht_cap.ampdu_factor; /* FIXME */
- state = si->ampdu_mlme.tid_state_tx[tidno];
-
- if (state & HT_ADDBA_RECEIVED_MSK) {
- txtid->state |= AGGR_ADDBA_COMPLETE;
- txtid->state &= ~AGGR_ADDBA_PROGRESS;
- txtid->baw_size = buffersize;
-
- DPRINTF(sc, ATH_DBG_AGGR,
- "%s: Resuming tid, buffersize: %d\n",
- __func__,
- buffersize);
-
- ath_tx_resume_tid(sc, txtid);
- }
-}
-
static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
struct ieee80211_tx_rate_control *txrc)
{
@@ -1934,7 +1891,7 @@
struct ath_rate_node *ath_rc_priv = priv_sta;
struct ath_node *an;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- int is_probe = FALSE, chk, ret;
+ int is_probe = FALSE;
s8 lowest_idx;
__le16 fc = hdr->frame_control;
u8 *qc, tid;
@@ -1981,26 +1938,10 @@
if (ieee80211_is_data_qos(fc)) {
qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & 0xf;
-
an = (struct ath_node *)sta->drv_priv;
- chk = ath_tx_aggr_check(sc, an, tid);
- if (chk == AGGR_REQUIRED) {
- ret = ieee80211_start_tx_ba_session(hw,
- hdr->addr1, tid);
- if (ret)
- DPRINTF(sc, ATH_DBG_AGGR,
- "%s: Unable to start tx "
- "aggr for: %pM\n",
- __func__,
- hdr->addr1);
- else
- DPRINTF(sc, ATH_DBG_AGGR,
- "%s: Started tx aggr for: %pM\n",
- __func__,
- hdr->addr1);
- } else if (chk == AGGR_EXCHANGE_PROGRESS)
- ath_tx_aggr_resp(sc, sband, sta, an, tid);
+ if(ath_tx_aggr_check(sc, an, tid))
+ ieee80211_start_tx_ba_session(hw, hdr->addr1, tid);
}
}
}
diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c
index f41030d..7e6f4e5 100644
--- a/drivers/net/wireless/ath9k/xmit.c
+++ b/drivers/net/wireless/ath9k/xmit.c
@@ -2322,28 +2322,24 @@
return sc->sc_txq[qnum].axq_aggr_depth;
}
-/* Check if an ADDBA is required. A valid node must be passed. */
-enum ATH_AGGR_CHECK ath_tx_aggr_check(struct ath_softc *sc,
- struct ath_node *an,
- u8 tidno)
+bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno)
{
struct ath_atx_tid *txtid;
if (!(sc->sc_flags & SC_OP_TXAGGR))
- return AGGR_NOT_REQUIRED;
+ return false;
- /* ADDBA exchange must be completed before sending aggregates */
txtid = ATH_AN_2_TID(an, tidno);
if (!(txtid->state & AGGR_ADDBA_COMPLETE)) {
if (!(txtid->state & AGGR_ADDBA_PROGRESS) &&
(txtid->addba_exchangeattempts < ADDBA_EXCHANGE_ATTEMPTS)) {
txtid->addba_exchangeattempts++;
- return AGGR_REQUIRED;
+ return true;
}
}
- return AGGR_NOT_REQUIRED;
+ return false;
}
/* Start TX aggregation */