ath9k: Nuke fixed rate handling in driver
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.c b/drivers/net/wireless/ath9k/core.c
index bab9eaa..ea332a2 100644
--- a/drivers/net/wireless/ath9k/core.c
+++ b/drivers/net/wireless/ath9k/core.c
@@ -89,13 +89,9 @@
const struct ath9k_rate_table *rt;
int i;
- memset(sc->sc_rixmap, 0xff, sizeof(sc->sc_rixmap));
rt = ath9k_hw_getratetable(sc->sc_ah, mode);
BUG_ON(!rt);
- for (i = 0; i < rt->rateCount; i++)
- sc->sc_rixmap[rt->info[i].rateCode] = (u8) i;
-
memset(sc->sc_hwmap, 0, sizeof(sc->sc_hwmap));
for (i = 0; i < 256; i++) {
u8 ix = rt->rateCodeToIndex[i];
diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h
index 69e8d3e..fe9dc99 100644
--- a/drivers/net/wireless/ath9k/core.h
+++ b/drivers/net/wireless/ath9k/core.h
@@ -641,19 +641,12 @@
#define ATH_SET_VAP_BSSID_MASK(bssid_mask) \
((bssid_mask)[0] &= ~(((ATH_BCBUF-1)<<2)|0x02))
-/* VAP configuration (from protocol layer) */
-struct ath_vap_config {
- u32 av_fixed_rateset;
- u32 av_fixed_retryset;
-};
-
/* driver-specific vap state */
struct ath_vap {
int av_bslot; /* beacon slot index */
enum ath9k_opmode av_opmode; /* VAP operational mode */
struct ath_buf *av_bcbuf; /* beacon buffer */
struct ath_tx_control av_btxctl; /* txctl information for beacon */
- struct ath_vap_config av_config;/* vap configuration parameters*/
struct ath_rate_node *rc_node;
};
@@ -915,7 +908,6 @@
/* Rate */
struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];
const struct ath9k_rate_table *sc_currates;
- u8 sc_rixmap[256]; /* IEEE to h/w rate table ix */
u8 sc_protrix; /* protection rate index */
struct {
u32 rateKbps; /* transfer rate in kbs */
diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 4c2c58e..60319d7 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -379,7 +379,6 @@
"%s: Unable to set channel\n",
__func__);
- ath_rate_newstate(sc, avp);
/* Update ratectrl about the new state */
ath_rc_node_update(hw, avp->rc_node);
@@ -1099,10 +1098,6 @@
/* Set the device opmode */
sc->sc_ah->ah_opmode = ic_opmode;
- /* default VAP configuration */
- avp->av_config.av_fixed_rateset = IEEE80211_FIXED_RATE_NONE;
- avp->av_config.av_fixed_retryset = 0x03030303;
-
if (conf->type == NL80211_IFTYPE_AP) {
/* TODO: is this a suitable place to start ANI for AP mode? */
/* Start ANI */
@@ -1205,9 +1200,6 @@
switch (vif->type) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
- /* Update ratectrl about the new state */
- ath_rate_newstate(sc, avp);
-
/* Set BSSID */
memcpy(sc->sc_curbssid, conf->bssid, ETH_ALEN);
sc->sc_curaid = 0;
diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c
index aafd10d..8a45b25 100644
--- a/drivers/net/wireless/ath9k/rc.c
+++ b/drivers/net/wireless/ath9k/rc.c
@@ -709,27 +709,6 @@
return 0;
}
-/*
- * Update rate-control state on a device state change. When
- * operating as a station this includes associate/reassociate
- * with an AP. Otherwise this gets called, for example, when
- * the we transition to run state when operating as an AP.
- */
-void ath_rate_newstate(struct ath_softc *sc, struct ath_vap *avp)
-{
- struct ath_rate_softc *asc = sc->sc_rc;
-
- if (avp->av_config.av_fixed_rateset != IEEE80211_FIXED_RATE_NONE) {
- asc->fixedrix =
- sc->sc_rixmap[avp->av_config.av_fixed_rateset & 0xff];
- /* NB: check the fixed rate exists */
- if (asc->fixedrix == 0xff)
- asc->fixedrix = IEEE80211_FIXED_RATE_NONE;
- } else {
- asc->fixedrix = IEEE80211_FIXED_RATE_NONE;
- }
-}
-
static u8 ath_rc_ratefind_ht(struct ath_softc *sc,
struct ath_rate_node *ath_rc_priv,
const struct ath_rate_table *rate_table,
@@ -1009,73 +988,11 @@
int *is_probe,
int is_retry)
{
- struct ath_vap *avp = ath_rc_priv->avp;
-
- DPRINTF(sc, ATH_DBG_RATE, "%s\n", __func__);
-
if (!num_rates || !num_tries)
return;
- if (avp->av_config.av_fixed_rateset == IEEE80211_FIXED_RATE_NONE) {
- ath_rc_ratefind(sc, ath_rc_priv, num_tries, num_rates,
- rcflag, series, is_probe, is_retry);
- } else {
- /* Fixed rate */
- int idx;
- u8 flags;
- u32 rix;
- struct ath_rate_softc *asc = ath_rc_priv->asc;
- struct ath_rate_table *rate_table;
-
- rate_table = (struct ath_rate_table *)
- asc->hw_rate_table[sc->sc_curmode];
-
- for (idx = 0; idx < 4; idx++) {
- unsigned int mcs;
- u8 series_rix = 0;
-
- series[idx].tries = IEEE80211_RATE_IDX_ENTRY(
- avp->av_config.av_fixed_retryset, idx);
-
- mcs = IEEE80211_RATE_IDX_ENTRY(
- avp->av_config.av_fixed_rateset, idx);
-
- if (idx == 3 && (mcs & 0xf0) == 0x70)
- mcs = (mcs & ~0xf0)|0x80;
-
- if (!(mcs & 0x80))
- flags = 0;
- else
- flags = ((ath_rc_priv->ht_cap &
- WLAN_RC_DS_FLAG) ?
- ATH_RC_DS_FLAG : 0) |
- ((ath_rc_priv->ht_cap &
- WLAN_RC_40_FLAG) ?
- ATH_RC_CW40_FLAG : 0) |
- ((ath_rc_priv->ht_cap &
- WLAN_RC_SGI_FLAG) ?
- ((ath_rc_priv->ht_cap &
- WLAN_RC_40_FLAG) ?
- ATH_RC_SGI_FLAG : 0) : 0);
-
- series[idx].rix = sc->sc_rixmap[mcs];
- series_rix = series[idx].rix;
-
- /* XXX: Give me some cleanup love */
- if ((flags & ATH_RC_CW40_FLAG) &&
- (flags & ATH_RC_SGI_FLAG))
- rix = rate_table->info[series_rix].ht_index;
- else if (flags & ATH_RC_SGI_FLAG)
- rix = rate_table->info[series_rix].sgi_index;
- else if (flags & ATH_RC_CW40_FLAG)
- rix = rate_table->info[series_rix].cw40index;
- else
- rix = rate_table->info[series_rix].base_index;
- series[idx].max_4ms_framelen =
- rate_table->info[rix].max_4ms_framelen;
- series[idx].flags = flags;
- }
- }
+ ath_rc_ratefind(sc, ath_rc_priv, num_tries, num_rates,
+ rcflag, series, is_probe, is_retry);
}
static void ath_rc_update_ht(struct ath_softc *sc,
@@ -1498,11 +1415,8 @@
{
int final_ts_idx = info_priv->tx.ts_rateindex;
int tx_status = 0, is_underrun = 0;
- struct ath_vap *avp;
- avp = rc_priv->avp;
- if ((avp->av_config.av_fixed_rateset != IEEE80211_FIXED_RATE_NONE) ||
- (info_priv->tx.ts_status & ATH9K_TXERR_FILT))
+ if (info_priv->tx.ts_status & ATH9K_TXERR_FILT)
return;
if (info_priv->tx.ts_rssi > 0) {
diff --git a/drivers/net/wireless/ath9k/rc.h b/drivers/net/wireless/ath9k/rc.h
index 2d8df83..8d0650a 100644
--- a/drivers/net/wireless/ath9k/rc.h
+++ b/drivers/net/wireless/ath9k/rc.h
@@ -60,16 +60,6 @@
#define ATH_RATE_MAX 30
-enum ieee80211_fixed_rate_mode {
- IEEE80211_FIXED_RATE_NONE = 0,
- IEEE80211_FIXED_RATE_MCS = 1 /* HT rates */
-};
-
-/*
- * Use the hal os glue code to get ms time
- */
-#define IEEE80211_RATE_IDX_ENTRY(val, idx) (((val&(0xff<<(idx*8)))>>(idx*8)))
-
#define WLAN_PHY_HT_20_SS WLAN_RC_PHY_HT_20_SS
#define WLAN_PHY_HT_20_DS WLAN_RC_PHY_HT_20_DS
#define WLAN_PHY_HT_20_DS_HGI WLAN_RC_PHY_HT_20_DS_HGI
@@ -287,27 +277,10 @@
u8 min_rate;
};
-/*
- * Attach/detach a rate control module.
- */
struct ath_rate_softc *ath_rate_attach(struct ath_softc *sch);
void ath_rate_detach(struct ath_rate_softc *asc);
-
-/*
- * Update/reset rate control state for 802.11 state transitions.
- * Important mostly as the analog to ath_rate_newassoc when operating
- * in station mode.
- */
void ath_rc_node_update(struct ieee80211_hw *hw, struct ath_rate_node *rc_priv);
-void ath_rate_newstate(struct ath_softc *sc, struct ath_vap *avp);
-
-/*
- * Return rate index for given Dot11 Rate.
- */
-u8 ath_rate_findrateix(struct ath_softc *sc,
- u8 dot11_rate);
-
-/* Routines to register/unregister rate control algorithm */
+u8 ath_rate_findrateix(struct ath_softc *sc, u8 dot11_rate);
int ath_rate_control_register(void);
void ath_rate_control_unregister(void);