#define ATH_PCI_VERSION "0.1"
#define IEEE80211_HTCAP_MAXRXAMPDU_FACTOR 13
-#define IEEE80211_ACTION_CAT_HT 7
-#define IEEE80211_ACTION_HT_TXCHWIDTH 0
static char *dev_info = "ath9k";
struct ath9k_keyval hk;
const u8 *mac = NULL;
int ret = 0;
- enum ieee80211_if_types opmode;
+ enum nl80211_iftype opmode;
memset(&hk, 0, sizeof(hk));
*/
if (is_broadcast_ether_addr(addr)) {
switch (opmode) {
- case IEEE80211_IF_TYPE_STA:
+ case NL80211_IFTYPE_STATION:
/* default key: could be group WPA key
* or could be static WEP key */
mac = NULL;
break;
- case IEEE80211_IF_TYPE_IBSS:
+ case NL80211_IFTYPE_ADHOC:
break;
- case IEEE80211_IF_TYPE_AP:
+ case NL80211_IFTYPE_AP:
break;
default:
ASSERT(0);
static void ath_key_delete(struct ath_softc *sc, struct ieee80211_key_conf *key)
{
-#define ATH_MAX_NUM_KEYS 4
int freeslot;
- freeslot = (key->keyidx >= ATH_MAX_NUM_KEYS) ? 1 : 0;
+ freeslot = (key->keyidx >= 4) ? 1 : 0;
ath_key_reset(sc, key->keyidx, freeslot);
-#undef ATH_MAX_NUM_KEYS
}
static void setup_ht_cap(struct ieee80211_ht_info *ht_info)
{
-/* Until mac80211 includes these fields */
-
-#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
-#define IEEE80211_HT_CAP_MAXRXAMPDU_65536 0x3 /* 2 ^ 16 */
-#define IEEE80211_HT_CAP_MPDUDENSITY_8 0x6 /* 8 usec */
+#define ATH9K_HT_CAP_MAXRXAMPDU_65536 0x3 /* 2 ^ 16 */
+#define ATH9K_HT_CAP_MPDUDENSITY_8 0x6 /* 8 usec */
ht_info->ht_supported = 1;
ht_info->cap = (u16)IEEE80211_HT_CAP_SUP_WIDTH
- |(u16)IEEE80211_HT_CAP_MIMO_PS
+ |(u16)IEEE80211_HT_CAP_SM_PS
|(u16)IEEE80211_HT_CAP_SGI_40
|(u16)IEEE80211_HT_CAP_DSSSCCK40;
- ht_info->ampdu_factor = IEEE80211_HT_CAP_MAXRXAMPDU_65536;
- ht_info->ampdu_density = IEEE80211_HT_CAP_MPDUDENSITY_8;
+ ht_info->ampdu_factor = ATH9K_HT_CAP_MAXRXAMPDU_65536;
+ ht_info->ampdu_density = ATH9K_HT_CAP_MPDUDENSITY_8;
/* setup supported mcs set */
memset(ht_info->supp_mcs_set, 0, 16);
ht_info->supp_mcs_set[0] = 0xff;
}
}
-static int ath9k_start(struct ieee80211_hw *hw)
+static void ath9k_ht_conf(struct ath_softc *sc,
+ struct ieee80211_bss_conf *bss_conf)
{
- struct ath_softc *sc = hw->priv;
- struct ieee80211_channel *curchan = hw->conf.channel;
- int error = 0, pos;
-
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: Starting driver with "
- "initial channel: %d MHz\n", __func__, curchan->center_freq);
+#define IEEE80211_HT_CAP_40MHZ_INTOLERANT BIT(14)
+ struct ath_ht_info *ht_info = &sc->sc_ht_info;
- /* setup initial channel */
+ if (bss_conf->assoc_ht) {
+ ht_info->ext_chan_offset =
+ bss_conf->ht_bss_conf->bss_cap &
+ IEEE80211_HT_IE_CHA_SEC_OFFSET;
- pos = ath_get_channel(sc, curchan);
- if (pos == -1) {
- DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid channel\n", __func__);
- return -EINVAL;
- }
+ if (!(bss_conf->ht_conf->cap &
+ IEEE80211_HT_CAP_40MHZ_INTOLERANT) &&
+ (bss_conf->ht_bss_conf->bss_cap &
+ IEEE80211_HT_IE_CHA_WIDTH))
+ ht_info->tx_chan_width = ATH9K_HT_MACMODE_2040;
+ else
+ ht_info->tx_chan_width = ATH9K_HT_MACMODE_20;
- sc->sc_ah->ah_channels[pos].chanmode =
- (curchan->band == IEEE80211_BAND_2GHZ) ? CHANNEL_G : CHANNEL_A;
+ ath9k_hw_set11nmac2040(sc->sc_ah, ht_info->tx_chan_width);
+ ht_info->maxampdu = 1 << (IEEE80211_HTCAP_MAXRXAMPDU_FACTOR +
+ bss_conf->ht_conf->ampdu_factor);
+ ht_info->mpdudensity =
+ parse_mpdudensity(bss_conf->ht_conf->ampdu_density);
- /* open ath_dev */
- error = ath_open(sc, &sc->sc_ah->ah_channels[pos]);
- if (error) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "%s: Unable to complete ath_open\n", __func__);
- return error;
}
- ieee80211_wake_queues(hw);
- return 0;
+#undef IEEE80211_HT_CAP_40MHZ_INTOLERANT
}
-static int ath9k_tx(struct ieee80211_hw *hw,
- struct sk_buff *skb)
+static void ath9k_bss_assoc_info(struct ath_softc *sc,
+ struct ieee80211_bss_conf *bss_conf)
{
- struct ath_softc *sc = hw->priv;
- int hdrlen, padsize;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-
- /*
- * As a temporary workaround, assign seq# here; this will likely need
- * to be cleaned up to work better with Beacon transmission and virtual
- * BSSes.
- */
- if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
- sc->seq_no += 0x10;
- hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
- hdr->seq_ctrl |= cpu_to_le16(sc->seq_no);
- }
+ struct ieee80211_hw *hw = sc->hw;
+ struct ieee80211_channel *curchan = hw->conf.channel;
+ struct ath_vap *avp;
+ int pos;
+ DECLARE_MAC_BUF(mac);
- /* Add the padding after the header if this is not already done */
- hdrlen = ieee80211_get_hdrlen_from_skb(skb);
- if (hdrlen & 3) {
- padsize = hdrlen % 4;
- if (skb_headroom(skb) < padsize)
- return -1;
- skb_push(skb, padsize);
- memmove(skb->data, skb->data + padsize, hdrlen);
- }
+ if (bss_conf->assoc) {
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: Bss Info ASSOC %d\n",
+ __func__,
+ bss_conf->aid);
- DPRINTF(sc, ATH_DBG_XMIT, "%s: transmitting packet, skb: %p\n",
- __func__,
- skb);
+ avp = sc->sc_vaps[0];
+ if (avp == NULL) {
+ DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid interface\n",
+ __func__);
+ return;
+ }
- if (ath_tx_start(sc, skb) != 0) {
- DPRINTF(sc, ATH_DBG_XMIT, "%s: TX failed\n", __func__);
- dev_kfree_skb_any(skb);
- /* FIXME: Check for proper return value from ATH_DEV */
- return 0;
- }
+ /* New association, store aid */
+ if (avp->av_opmode == ATH9K_M_STA) {
+ sc->sc_curaid = bss_conf->aid;
+ ath9k_hw_write_associd(sc->sc_ah, sc->sc_curbssid,
+ sc->sc_curaid);
+ }
- return 0;
-}
+ /* Configure the beacon */
+ ath_beacon_config(sc, 0);
+ sc->sc_flags |= SC_OP_BEACONS;
-static void ath9k_stop(struct ieee80211_hw *hw)
-{
- struct ath_softc *sc = hw->priv;
- int error;
+ /* Reset rssi stats */
+ sc->sc_halstats.ns_avgbrssi = ATH_RSSI_DUMMY_MARKER;
+ sc->sc_halstats.ns_avgrssi = ATH_RSSI_DUMMY_MARKER;
+ sc->sc_halstats.ns_avgtxrssi = ATH_RSSI_DUMMY_MARKER;
+ sc->sc_halstats.ns_avgtxrate = ATH_RATE_DUMMY_MARKER;
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: Driver halt\n", __func__);
+ /* Update chainmask */
+ ath_update_chainmask(sc, bss_conf->assoc_ht);
- error = ath_suspend(sc);
- if (error)
DPRINTF(sc, ATH_DBG_CONFIG,
- "%s: Device is no longer present\n", __func__);
+ "%s: bssid %s aid 0x%x\n",
+ __func__,
+ print_mac(mac, sc->sc_curbssid), sc->sc_curaid);
- ieee80211_stop_queues(hw);
-}
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: Set channel: %d MHz\n",
+ __func__,
+ curchan->center_freq);
-static int ath9k_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
-{
- struct ath_softc *sc = hw->priv;
- int error, ic_opmode = 0;
+ pos = ath_get_channel(sc, curchan);
+ if (pos == -1) {
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "%s: Invalid channel\n", __func__);
+ return;
+ }
- /* Support only vap for now */
+ if (hw->conf.ht_conf.ht_supported)
+ sc->sc_ah->ah_channels[pos].chanmode =
+ ath_get_extchanmode(sc, curchan);
+ else
+ sc->sc_ah->ah_channels[pos].chanmode =
+ (curchan->band == IEEE80211_BAND_2GHZ) ?
+ CHANNEL_G : CHANNEL_A;
- if (sc->sc_nvaps)
- return -ENOBUFS;
+ /* set h/w channel */
+ if (ath_set_channel(sc, &sc->sc_ah->ah_channels[pos]) < 0)
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "%s: Unable to set channel\n",
+ __func__);
- switch (conf->type) {
- case IEEE80211_IF_TYPE_STA:
- ic_opmode = ATH9K_M_STA;
- break;
- case IEEE80211_IF_TYPE_IBSS:
- ic_opmode = ATH9K_M_IBSS;
- break;
- default:
- DPRINTF(sc, ATH_DBG_FATAL,
- "%s: Only STA and IBSS are supported currently\n",
- __func__);
- return -EOPNOTSUPP;
+ ath_rate_newstate(sc, avp);
+ /* Update ratectrl about the new state */
+ ath_rc_node_update(hw, avp->rc_node);
+ } else {
+ DPRINTF(sc, ATH_DBG_CONFIG,
+ "%s: Bss Info DISSOC\n", __func__);
+ sc->sc_curaid = 0;
}
+}
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: Attach a VAP of type: %d\n",
- __func__,
- ic_opmode);
+void ath_get_beaconconfig(struct ath_softc *sc,
+ int if_id,
+ struct ath_beacon_config *conf)
+{
+ struct ieee80211_hw *hw = sc->hw;
- error = ath_vap_attach(sc, 0, conf->vif, ic_opmode);
- if (error) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "%s: Unable to attach vap, error: %d\n",
- __func__, error);
- return error;
- }
+ /* fill in beacon config data */
- return 0;
+ conf->beacon_interval = hw->conf.beacon_int;
+ conf->listen_interval = 100;
+ conf->dtim_count = 1;
+ conf->bmiss_timeout = ATH_DEFAULT_BMISS_LIMIT * conf->listen_interval;
}
-static void ath9k_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
+ struct ath_xmit_status *tx_status, struct ath_node *an)
{
- struct ath_softc *sc = hw->priv;
- struct ath_vap *avp;
- int error;
+ struct ieee80211_hw *hw = sc->hw;
+ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: Detach VAP\n", __func__);
+ DPRINTF(sc, ATH_DBG_XMIT,
+ "%s: TX complete: skb: %p\n", __func__, skb);
- avp = sc->sc_vaps[0];
- if (avp == NULL) {
- DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid interface\n",
- __func__);
- return;
+ if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK ||
+ tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
+ /* free driver's private data area of tx_info */
+ if (tx_info->driver_data[0] != NULL)
+ kfree(tx_info->driver_data[0]);
+ tx_info->driver_data[0] = NULL;
}
-#ifdef CONFIG_SLOW_ANT_DIV
- ath_slow_ant_div_stop(&sc->sc_antdiv);
-#endif
-
- /* Update ratectrl */
- ath_rate_newstate(sc, avp);
+ if (tx_status->flags & ATH_TX_BAR) {
+ tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
+ tx_status->flags &= ~ATH_TX_BAR;
+ }
- /* Reclaim beacon resources */
- if (sc->sc_opmode == ATH9K_M_HOSTAP || sc->sc_opmode == ATH9K_M_IBSS) {
- ath9k_hw_stoptxdma(sc->sc_ah, sc->sc_bhalq);
- ath_beacon_return(sc, avp);
+ if (tx_status->flags & (ATH_TX_ERROR | ATH_TX_XRETRY)) {
+ if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK)) {
+ /* Frame was not ACKed, but an ACK was expected */
+ tx_info->status.excessive_retries = 1;
+ }
+ } else {
+ /* Frame was ACKed */
+ tx_info->flags |= IEEE80211_TX_STAT_ACK;
}
- /* Set interrupt mask */
- sc->sc_imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
- ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_imask & ~ATH9K_INT_GLOBAL);
- sc->sc_beacons = 0;
+ tx_info->status.retry_count = tx_status->retries;
- error = ath_vap_detach(sc, 0);
- if (error)
- DPRINTF(sc, ATH_DBG_FATAL,
- "%s: Unable to detach vap, error: %d\n",
- __func__, error);
+ ieee80211_tx_status(hw, skb);
+ if (an)
+ ath_node_put(sc, an, ATH9K_BH_STATUS_CHANGE);
}
-static int ath9k_config(struct ieee80211_hw *hw,
- struct ieee80211_conf *conf)
+int _ath_rx_indicate(struct ath_softc *sc,
+ struct sk_buff *skb,
+ struct ath_recv_status *status,
+ u16 keyix)
{
- struct ath_softc *sc = hw->priv;
- struct ieee80211_channel *curchan = hw->conf.channel;
- int pos;
-
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: Set channel: %d MHz\n",
- __func__,
- curchan->center_freq);
+ struct ieee80211_hw *hw = sc->hw;
+ struct ath_node *an = NULL;
+ struct ieee80211_rx_status rx_status;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ int hdrlen = ieee80211_get_hdrlen_from_skb(skb);
+ int padsize;
+ enum ATH_RX_TYPE st;
- pos = ath_get_channel(sc, curchan);
- if (pos == -1) {
- DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid channel\n", __func__);
- return -EINVAL;
+ /* see if any padding is done by the hw and remove it */
+ if (hdrlen & 3) {
+ padsize = hdrlen % 4;
+ memmove(skb->data + padsize, skb->data, hdrlen);
+ skb_pull(skb, padsize);
}
- sc->sc_ah->ah_channels[pos].chanmode =
- (curchan->band == IEEE80211_BAND_2GHZ) ?
- CHANNEL_G : CHANNEL_A;
+ /* Prepare rx status */
+ ath9k_rx_prepare(sc, skb, status, &rx_status);
- if (sc->sc_curaid && hw->conf.ht_conf.ht_supported)
- sc->sc_ah->ah_channels[pos].chanmode =
- ath_get_extchanmode(sc, curchan);
+ if (!(keyix == ATH9K_RXKEYIX_INVALID) &&
+ !(status->flags & ATH_RX_DECRYPT_ERROR)) {
+ rx_status.flag |= RX_FLAG_DECRYPTED;
+ } else if ((le16_to_cpu(hdr->frame_control) & IEEE80211_FCTL_PROTECTED)
+ && !(status->flags & ATH_RX_DECRYPT_ERROR)
+ && skb->len >= hdrlen + 4) {
+ keyix = skb->data[hdrlen + 3] >> 6;
- sc->sc_config.txpowlimit = 2 * conf->power_level;
+ if (test_bit(keyix, sc->sc_keymap))
+ rx_status.flag |= RX_FLAG_DECRYPTED;
+ }
- /* set h/w channel */
- if (ath_set_channel(sc, &sc->sc_ah->ah_channels[pos]) < 0)
- DPRINTF(sc, ATH_DBG_FATAL, "%s: Unable to set channel\n",
- __func__);
+ spin_lock_bh(&sc->node_lock);
+ an = ath_node_find(sc, hdr->addr2);
+ spin_unlock_bh(&sc->node_lock);
+
+ if (an) {
+ ath_rx_input(sc, an,
+ hw->conf.ht_conf.ht_supported,
+ skb, status, &st);
+ }
+ if (!an || (st != ATH_RX_CONSUMED))
+ __ieee80211_rx(hw, skb, &rx_status);
return 0;
}
-static int ath9k_config_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_if_conf *conf)
+int ath_rx_subframe(struct ath_node *an,
+ struct sk_buff *skb,
+ struct ath_recv_status *status)
{
- struct ath_softc *sc = hw->priv;
- struct ath_vap *avp;
- u32 rfilt = 0;
- int error, i;
- DECLARE_MAC_BUF(mac);
+ struct ath_softc *sc = an->an_sc;
+ struct ieee80211_hw *hw = sc->hw;
+ struct ieee80211_rx_status rx_status;
- avp = sc->sc_vaps[0];
- if (avp == NULL) {
- DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid interface\n",
- __func__);
- return -EINVAL;
+ /* Prepare rx status */
+ ath9k_rx_prepare(sc, skb, status, &rx_status);
+ if (!(status->flags & ATH_RX_DECRYPT_ERROR))
+ rx_status.flag |= RX_FLAG_DECRYPTED;
+
+ __ieee80211_rx(hw, skb, &rx_status);
+
+ return 0;
+}
+
+/********************************/
+/* LED functions */
+/********************************/
+
+static void ath_led_brightness(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ struct ath_led *led = container_of(led_cdev, struct ath_led, led_cdev);
+ struct ath_softc *sc = led->sc;
+
+ switch (brightness) {
+ case LED_OFF:
+ if (led->led_type == ATH_LED_ASSOC ||
+ led->led_type == ATH_LED_RADIO)
+ sc->sc_flags &= ~SC_OP_LED_ASSOCIATED;
+ ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN,
+ (led->led_type == ATH_LED_RADIO) ? 1 :
+ !!(sc->sc_flags & SC_OP_LED_ASSOCIATED));
+ break;
+ case LED_FULL:
+ if (led->led_type == ATH_LED_ASSOC)
+ sc->sc_flags |= SC_OP_LED_ASSOCIATED;
+ ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 0);
+ break;
+ default:
+ break;
}
+}
- if ((conf->changed & IEEE80211_IFCC_BSSID) &&
- !is_zero_ether_addr(conf->bssid)) {
- switch (vif->type) {
- case IEEE80211_IF_TYPE_STA:
- case IEEE80211_IF_TYPE_IBSS:
- /* Update ratectrl about the new state */
- ath_rate_newstate(sc, avp);
+static int ath_register_led(struct ath_softc *sc, struct ath_led *led,
+ char *trigger)
+{
+ int ret;
- /* Set rx filter */
- rfilt = ath_calcrxfilter(sc);
- ath9k_hw_setrxfilter(sc->sc_ah, rfilt);
+ led->sc = sc;
+ led->led_cdev.name = led->name;
+ led->led_cdev.default_trigger = trigger;
+ led->led_cdev.brightness_set = ath_led_brightness;
- /* Set BSSID */
- memcpy(sc->sc_curbssid, conf->bssid, ETH_ALEN);
- sc->sc_curaid = 0;
- ath9k_hw_write_associd(sc->sc_ah, sc->sc_curbssid,
- sc->sc_curaid);
+ ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &led->led_cdev);
+ if (ret)
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "Failed to register led:%s", led->name);
+ else
+ led->registered = 1;
+ return ret;
+}
- /* Set aggregation protection mode parameters */
- sc->sc_config.ath_aggr_prot = 0;
+static void ath_unregister_led(struct ath_led *led)
+{
+ if (led->registered) {
+ led_classdev_unregister(&led->led_cdev);
+ led->registered = 0;
+ }
+}
- /*
- * Reset our TSF so that its value is lower than the
- * beacon that we are trying to catch.
- * Only then hw will update its TSF register with the
- * new beacon. Reset the TSF before setting the BSSID
- * to avoid allowing in any frames that would update
- * our TSF only to have us clear it
- * immediately thereafter.
- */
- ath9k_hw_reset_tsf(sc->sc_ah);
+static void ath_deinit_leds(struct ath_softc *sc)
+{
+ ath_unregister_led(&sc->assoc_led);
+ sc->sc_flags &= ~SC_OP_LED_ASSOCIATED;
+ ath_unregister_led(&sc->tx_led);
+ ath_unregister_led(&sc->rx_led);
+ ath_unregister_led(&sc->radio_led);
+ ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 1);
+}
- /* Disable BMISS interrupt when we're not associated */
- ath9k_hw_set_interrupts(sc->sc_ah,
- sc->sc_imask &
- ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS));
- sc->sc_imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
+static void ath_init_leds(struct ath_softc *sc)
+{
+ char *trigger;
+ int ret;
+
+ /* Configure gpio 1 for output */
+ ath9k_hw_cfg_output(sc->sc_ah, ATH_LED_PIN,
+ AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+ /* LED off, active low */
+ ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 1);
+
+ trigger = ieee80211_get_radio_led_name(sc->hw);
+ snprintf(sc->radio_led.name, sizeof(sc->radio_led.name),
+ "ath9k-%s:radio", wiphy_name(sc->hw->wiphy));
+ ret = ath_register_led(sc, &sc->radio_led, trigger);
+ sc->radio_led.led_type = ATH_LED_RADIO;
+ if (ret)
+ goto fail;
- DPRINTF(sc, ATH_DBG_CONFIG,
- "%s: RX filter 0x%x bssid %s aid 0x%x\n",
- __func__, rfilt,
- print_mac(mac, sc->sc_curbssid), sc->sc_curaid);
+ trigger = ieee80211_get_assoc_led_name(sc->hw);
+ snprintf(sc->assoc_led.name, sizeof(sc->assoc_led.name),
+ "ath9k-%s:assoc", wiphy_name(sc->hw->wiphy));
+ ret = ath_register_led(sc, &sc->assoc_led, trigger);
+ sc->assoc_led.led_type = ATH_LED_ASSOC;
+ if (ret)
+ goto fail;
- /* need to reconfigure the beacon */
- sc->sc_beacons = 0;
+ trigger = ieee80211_get_tx_led_name(sc->hw);
+ snprintf(sc->tx_led.name, sizeof(sc->tx_led.name),
+ "ath9k-%s:tx", wiphy_name(sc->hw->wiphy));
+ ret = ath_register_led(sc, &sc->tx_led, trigger);
+ sc->tx_led.led_type = ATH_LED_TX;
+ if (ret)
+ goto fail;
- break;
- default:
- break;
- }
- }
+ trigger = ieee80211_get_rx_led_name(sc->hw);
+ snprintf(sc->rx_led.name, sizeof(sc->rx_led.name),
+ "ath9k-%s:rx", wiphy_name(sc->hw->wiphy));
+ ret = ath_register_led(sc, &sc->rx_led, trigger);
+ sc->rx_led.led_type = ATH_LED_RX;
+ if (ret)
+ goto fail;
- if ((conf->changed & IEEE80211_IFCC_BEACON) &&
- (vif->type == IEEE80211_IF_TYPE_IBSS)) {
- /*
- * Allocate and setup the beacon frame.
- *
- * Stop any previous beacon DMA. This may be
- * necessary, for example, when an ibss merge
- * causes reconfiguration; we may be called
- * with beacon transmission active.
- */
- ath9k_hw_stoptxdma(sc->sc_ah, sc->sc_bhalq);
+ return;
- error = ath_beacon_alloc(sc, 0);
- if (error != 0)
- return error;
+fail:
+ ath_deinit_leds(sc);
+}
- ath_beacon_sync(sc, 0);
+#ifdef CONFIG_RFKILL
+/*******************/
+/* Rfkill */
+/*******************/
+
+static void ath_radio_enable(struct ath_softc *sc)
+{
+ struct ath_hal *ah = sc->sc_ah;
+ int status;
+
+ spin_lock_bh(&sc->sc_resetlock);
+ if (!ath9k_hw_reset(ah, ah->ah_curchan,
+ sc->sc_ht_info.tx_chan_width,
+ sc->sc_tx_chainmask,
+ sc->sc_rx_chainmask,
+ sc->sc_ht_extprotspacing,
+ false, &status)) {
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "%s: unable to reset channel %u (%uMhz) "
+ "flags 0x%x hal status %u\n", __func__,
+ ath9k_hw_mhz2ieee(ah,
+ ah->ah_curchan->channel,
+ ah->ah_curchan->channelFlags),
+ ah->ah_curchan->channel,
+ ah->ah_curchan->channelFlags, status);
}
+ spin_unlock_bh(&sc->sc_resetlock);
- /* Check for WLAN_CAPABILITY_PRIVACY ? */
- if ((avp->av_opmode != IEEE80211_IF_TYPE_STA)) {
- for (i = 0; i < IEEE80211_WEP_NKID; i++)
- if (ath9k_hw_keyisvalid(sc->sc_ah, (u16)i))
- ath9k_hw_keysetmac(sc->sc_ah,
- (u16)i,
- sc->sc_curbssid);
+ ath_update_txpow(sc);
+ if (ath_startrecv(sc) != 0) {
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "%s: unable to restart recv logic\n", __func__);
+ return;
}
- /* Only legacy IBSS for now */
- if (vif->type == IEEE80211_IF_TYPE_IBSS)
- ath_update_chainmask(sc, 0);
+ if (sc->sc_flags & SC_OP_BEACONS)
+ ath_beacon_config(sc, ATH_IF_ID_ANY); /* restart beacons */
- return 0;
-}
+ /* Re-Enable interrupts */
+ ath9k_hw_set_interrupts(ah, sc->sc_imask);
-#define SUPPORTED_FILTERS \
- (FIF_PROMISC_IN_BSS | \
- FIF_ALLMULTI | \
- FIF_CONTROL | \
- FIF_OTHER_BSS | \
- FIF_BCN_PRBRESP_PROMISC | \
- FIF_FCSFAIL)
+ /* Enable LED */
+ ath9k_hw_cfg_output(ah, ATH_LED_PIN,
+ AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+ ath9k_hw_set_gpio(ah, ATH_LED_PIN, 0);
-/* Accept unicast, bcast and mcast frames */
+ ieee80211_wake_queues(sc->hw);
+}
-static void ath9k_configure_filter(struct ieee80211_hw *hw,
- unsigned int changed_flags,
- unsigned int *total_flags,
- int mc_count,
- struct dev_mc_list *mclist)
+static void ath_radio_disable(struct ath_softc *sc)
{
- struct ath_softc *sc = hw->priv;
+ struct ath_hal *ah = sc->sc_ah;
+ int status;
- changed_flags &= SUPPORTED_FILTERS;
- *total_flags &= SUPPORTED_FILTERS;
- if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
- if (*total_flags & FIF_BCN_PRBRESP_PROMISC)
- ath_scan_start(sc);
- else
- ath_scan_end(sc);
+ ieee80211_stop_queues(sc->hw);
+
+ /* Disable LED */
+ ath9k_hw_set_gpio(ah, ATH_LED_PIN, 1);
+ ath9k_hw_cfg_gpio_input(ah, ATH_LED_PIN);
+
+ /* Disable interrupts */
+ ath9k_hw_set_interrupts(ah, 0);
+
+ ath_draintxq(sc, false); /* clear pending tx frames */
+ ath_stoprecv(sc); /* turn off frame recv */
+ ath_flushrecv(sc); /* flush recv queue */
+
+ spin_lock_bh(&sc->sc_resetlock);
+ if (!ath9k_hw_reset(ah, ah->ah_curchan,
+ sc->sc_ht_info.tx_chan_width,
+ sc->sc_tx_chainmask,
+ sc->sc_rx_chainmask,
+ sc->sc_ht_extprotspacing,
+ false, &status)) {
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "%s: unable to reset channel %u (%uMhz) "
+ "flags 0x%x hal status %u\n", __func__,
+ ath9k_hw_mhz2ieee(ah,
+ ah->ah_curchan->channel,
+ ah->ah_curchan->channelFlags),
+ ah->ah_curchan->channel,
+ ah->ah_curchan->channelFlags, status);
}
+ spin_unlock_bh(&sc->sc_resetlock);
+
+ ath9k_hw_phy_disable(ah);
+ ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
}
-static void ath9k_sta_notify(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- enum sta_notify_cmd cmd,
- const u8 *addr)
+static bool ath_is_rfkill_set(struct ath_softc *sc)
{
- struct ath_softc *sc = hw->priv;
- struct ath_node *an;
- unsigned long flags;
- DECLARE_MAC_BUF(mac);
+ struct ath_hal *ah = sc->sc_ah;
- spin_lock_irqsave(&sc->node_lock, flags);
- an = ath_node_find(sc, (u8 *) addr);
- spin_unlock_irqrestore(&sc->node_lock, flags);
+ return ath9k_hw_gpio_get(ah, ah->ah_rfkill_gpio) ==
+ ah->ah_rfkill_polarity;
+}
- switch (cmd) {
- case STA_NOTIFY_ADD:
- spin_lock_irqsave(&sc->node_lock, flags);
- if (!an) {
- ath_node_attach(sc, (u8 *)addr, 0);
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: Attach a node: %s\n",
- __func__,
- print_mac(mac, addr));
+/* h/w rfkill poll function */
+static void ath_rfkill_poll(struct work_struct *work)
+{
+ struct ath_softc *sc = container_of(work, struct ath_softc,
+ rf_kill.rfkill_poll.work);
+ bool radio_on;
+
+ if (sc->sc_flags & SC_OP_INVALID)
+ return;
+
+ radio_on = !ath_is_rfkill_set(sc);
+
+ /*
+ * enable/disable radio only when there is a
+ * state change in RF switch
+ */
+ if (radio_on == !!(sc->sc_flags & SC_OP_RFKILL_HW_BLOCKED)) {
+ enum rfkill_state state;
+
+ if (sc->sc_flags & SC_OP_RFKILL_SW_BLOCKED) {
+ state = radio_on ? RFKILL_STATE_SOFT_BLOCKED
+ : RFKILL_STATE_HARD_BLOCKED;
+ } else if (radio_on) {
+ ath_radio_enable(sc);
+ state = RFKILL_STATE_UNBLOCKED;
} else {
- ath_node_get(sc, (u8 *)addr);
+ ath_radio_disable(sc);
+ state = RFKILL_STATE_HARD_BLOCKED;
}
- spin_unlock_irqrestore(&sc->node_lock, flags);
- break;
- case STA_NOTIFY_REMOVE:
- if (!an)
- DPRINTF(sc, ATH_DBG_FATAL,
- "%s: Removal of a non-existent node\n",
- __func__);
- else {
- ath_node_put(sc, an, ATH9K_BH_STATUS_INTACT);
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: Put a node: %s\n",
- __func__,
- print_mac(mac, addr));
+
+ if (state == RFKILL_STATE_HARD_BLOCKED)
+ sc->sc_flags |= SC_OP_RFKILL_HW_BLOCKED;
+ else
+ sc->sc_flags &= ~SC_OP_RFKILL_HW_BLOCKED;
+
+ rfkill_force_state(sc->rf_kill.rfkill, state);
+ }
+
+ queue_delayed_work(sc->hw->workqueue, &sc->rf_kill.rfkill_poll,
+ msecs_to_jiffies(ATH_RFKILL_POLL_INTERVAL));
+}
+
+/* s/w rfkill handler */
+static int ath_sw_toggle_radio(void *data, enum rfkill_state state)
+{
+ struct ath_softc *sc = data;
+
+ switch (state) {
+ case RFKILL_STATE_SOFT_BLOCKED:
+ if (!(sc->sc_flags & (SC_OP_RFKILL_HW_BLOCKED |
+ SC_OP_RFKILL_SW_BLOCKED)))
+ ath_radio_disable(sc);
+ sc->sc_flags |= SC_OP_RFKILL_SW_BLOCKED;
+ return 0;
+ case RFKILL_STATE_UNBLOCKED:
+ if ((sc->sc_flags & SC_OP_RFKILL_SW_BLOCKED)) {
+ sc->sc_flags &= ~SC_OP_RFKILL_SW_BLOCKED;
+ if (sc->sc_flags & SC_OP_RFKILL_HW_BLOCKED) {
+ DPRINTF(sc, ATH_DBG_FATAL, "Can't turn on the"
+ "radio as it is disabled by h/w \n");
+ return -EPERM;
+ }
+ ath_radio_enable(sc);
}
- break;
+ return 0;
default:
- break;
+ return -EINVAL;
}
}
-static int ath9k_conf_tx(struct ieee80211_hw *hw,
- u16 queue,
- const struct ieee80211_tx_queue_params *params)
+/* Init s/w rfkill */
+static int ath_init_sw_rfkill(struct ath_softc *sc)
{
- struct ath_softc *sc = hw->priv;
- struct ath9k_tx_queue_info qi;
- int ret = 0, qnum;
-
- if (queue >= WME_NUM_AC)
- return 0;
+ sc->rf_kill.rfkill = rfkill_allocate(wiphy_dev(sc->hw->wiphy),
+ RFKILL_TYPE_WLAN);
+ if (!sc->rf_kill.rfkill) {
+ DPRINTF(sc, ATH_DBG_FATAL, "Failed to allocate rfkill\n");
+ return -ENOMEM;
+ }
- qi.tqi_aifs = params->aifs;
- qi.tqi_cwmin = params->cw_min;
- qi.tqi_cwmax = params->cw_max;
- qi.tqi_burstTime = params->txop;
- qnum = ath_get_hal_qnum(queue, sc);
+ snprintf(sc->rf_kill.rfkill_name, sizeof(sc->rf_kill.rfkill_name),
+ "ath9k-%s:rfkill", wiphy_name(sc->hw->wiphy));
+ sc->rf_kill.rfkill->name = sc->rf_kill.rfkill_name;
+ sc->rf_kill.rfkill->data = sc;
+ sc->rf_kill.rfkill->toggle_radio = ath_sw_toggle_radio;
+ sc->rf_kill.rfkill->state = RFKILL_STATE_UNBLOCKED;
+ sc->rf_kill.rfkill->user_claim_unsupported = 1;
- DPRINTF(sc, ATH_DBG_CONFIG,
- "%s: Configure tx [queue/halq] [%d/%d], "
- "aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n",
- __func__,
- queue,
- qnum,
- params->aifs,
- params->cw_min,
- params->cw_max,
- params->txop);
+ return 0;
+}
- ret = ath_txq_update(sc, qnum, &qi);
- if (ret)
- DPRINTF(sc, ATH_DBG_FATAL,
- "%s: TXQ Update failed\n", __func__);
+/* Deinitialize rfkill */
+static void ath_deinit_rfkill(struct ath_softc *sc)
+{
+ if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+ cancel_delayed_work_sync(&sc->rf_kill.rfkill_poll);
- return ret;
+ if (sc->sc_flags & SC_OP_RFKILL_REGISTERED) {
+ rfkill_unregister(sc->rf_kill.rfkill);
+ sc->sc_flags &= ~SC_OP_RFKILL_REGISTERED;
+ sc->rf_kill.rfkill = NULL;
+ }
}
+#endif /* CONFIG_RFKILL */
-static int ath9k_set_key(struct ieee80211_hw *hw,
- enum set_key_cmd cmd,
- const u8 *local_addr,
- const u8 *addr,
- struct ieee80211_key_conf *key)
+static int ath_detach(struct ath_softc *sc)
{
- struct ath_softc *sc = hw->priv;
- int ret = 0;
+ struct ieee80211_hw *hw = sc->hw;
- DPRINTF(sc, ATH_DBG_KEYCACHE, " %s: Set HW Key\n", __func__);
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: Detach ATH hw\n", __func__);
- switch (cmd) {
- case SET_KEY:
- ret = ath_key_config(sc, addr, key);
- if (!ret) {
- set_bit(key->keyidx, sc->sc_keymap);
- key->hw_key_idx = key->keyidx;
- /* push IV and Michael MIC generation to stack */
- key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
- if (key->alg == ALG_TKIP)
- key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
- }
- break;
- case DISABLE_KEY:
- ath_key_delete(sc, key);
- clear_bit(key->keyidx, sc->sc_keymap);
- break;
- default:
- ret = -EINVAL;
- }
+ /* Deinit LED control */
+ ath_deinit_leds(sc);
- return ret;
-}
+#ifdef CONFIG_RFKILL
+ /* deinit rfkill */
+ ath_deinit_rfkill(sc);
+#endif
-static void ath9k_ht_conf(struct ath_softc *sc,
- struct ieee80211_bss_conf *bss_conf)
-{
-#define IEEE80211_HT_CAP_40MHZ_INTOLERANT BIT(14)
- struct ath_ht_info *ht_info = &sc->sc_ht_info;
+ /* Unregister hw */
- if (bss_conf->assoc_ht) {
- ht_info->ext_chan_offset =
- bss_conf->ht_bss_conf->bss_cap &
- IEEE80211_HT_IE_CHA_SEC_OFFSET;
+ ieee80211_unregister_hw(hw);
- if (!(bss_conf->ht_conf->cap &
- IEEE80211_HT_CAP_40MHZ_INTOLERANT) &&
- (bss_conf->ht_bss_conf->bss_cap &
- IEEE80211_HT_IE_CHA_WIDTH))
- ht_info->tx_chan_width = ATH9K_HT_MACMODE_2040;
- else
- ht_info->tx_chan_width = ATH9K_HT_MACMODE_20;
+ /* unregister Rate control */
+ ath_rate_control_unregister();
- ath9k_hw_set11nmac2040(sc->sc_ah, ht_info->tx_chan_width);
- ht_info->maxampdu = 1 << (IEEE80211_HTCAP_MAXRXAMPDU_FACTOR +
- bss_conf->ht_conf->ampdu_factor);
- ht_info->mpdudensity =
- parse_mpdudensity(bss_conf->ht_conf->ampdu_density);
+ /* tx/rx cleanup */
- }
+ ath_rx_cleanup(sc);
+ ath_tx_cleanup(sc);
-#undef IEEE80211_HT_CAP_40MHZ_INTOLERANT
+ /* Deinit */
+
+ ath_deinit(sc);
+
+ return 0;
}
-static void ath9k_bss_assoc_info(struct ath_softc *sc,
- struct ieee80211_bss_conf *bss_conf)
+static int ath_attach(u16 devid,
+ struct ath_softc *sc)
{
struct ieee80211_hw *hw = sc->hw;
- struct ieee80211_channel *curchan = hw->conf.channel;
- struct ath_vap *avp;
- int pos;
- DECLARE_MAC_BUF(mac);
+ int error = 0;
- if (bss_conf->assoc) {
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: Bss Info ASSOC %d\n",
- __func__,
- bss_conf->aid);
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: Attach ATH hw\n", __func__);
- avp = sc->sc_vaps[0];
- if (avp == NULL) {
- DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid interface\n",
- __func__);
- return;
- }
+ error = ath_init(devid, sc);
+ if (error != 0)
+ return error;
- /* New association, store aid */
- if (avp->av_opmode == ATH9K_M_STA) {
- sc->sc_curaid = bss_conf->aid;
- ath9k_hw_write_associd(sc->sc_ah, sc->sc_curbssid,
- sc->sc_curaid);
- }
+ /* Init nodes */
- /* Configure the beacon */
- ath_beacon_config(sc, 0);
- sc->sc_beacons = 1;
+ INIT_LIST_HEAD(&sc->node_list);
+ spin_lock_init(&sc->node_lock);
- /* Reset rssi stats */
- sc->sc_halstats.ns_avgbrssi = ATH_RSSI_DUMMY_MARKER;
- sc->sc_halstats.ns_avgrssi = ATH_RSSI_DUMMY_MARKER;
- sc->sc_halstats.ns_avgtxrssi = ATH_RSSI_DUMMY_MARKER;
- sc->sc_halstats.ns_avgtxrate = ATH_RATE_DUMMY_MARKER;
+ /* get mac address from hardware and set in mac80211 */
- /* Update chainmask */
- ath_update_chainmask(sc, bss_conf->assoc_ht);
+ SET_IEEE80211_PERM_ADDR(hw, sc->sc_myaddr);
- DPRINTF(sc, ATH_DBG_CONFIG,
- "%s: bssid %s aid 0x%x\n",
- __func__,
- print_mac(mac, sc->sc_curbssid), sc->sc_curaid);
+ /* setup channels and rates */
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: Set channel: %d MHz\n",
- __func__,
- curchan->center_freq);
+ sc->sbands[IEEE80211_BAND_2GHZ].channels =
+ sc->channels[IEEE80211_BAND_2GHZ];
+ sc->sbands[IEEE80211_BAND_2GHZ].bitrates =
+ sc->rates[IEEE80211_BAND_2GHZ];
+ sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
- pos = ath_get_channel(sc, curchan);
- if (pos == -1) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "%s: Invalid channel\n", __func__);
- return;
- }
+ if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT)
+ /* Setup HT capabilities for 2.4Ghz*/
+ setup_ht_cap(&sc->sbands[IEEE80211_BAND_2GHZ].ht_info);
- if (hw->conf.ht_conf.ht_supported)
- sc->sc_ah->ah_channels[pos].chanmode =
- ath_get_extchanmode(sc, curchan);
- else
- sc->sc_ah->ah_channels[pos].chanmode =
- (curchan->band == IEEE80211_BAND_2GHZ) ?
- CHANNEL_G : CHANNEL_A;
+ hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
+ &sc->sbands[IEEE80211_BAND_2GHZ];
- /* set h/w channel */
- if (ath_set_channel(sc, &sc->sc_ah->ah_channels[pos]) < 0)
- DPRINTF(sc, ATH_DBG_FATAL,
- "%s: Unable to set channel\n",
- __func__);
+ if (test_bit(ATH9K_MODE_11A, sc->sc_ah->ah_caps.wireless_modes)) {
+ sc->sbands[IEEE80211_BAND_5GHZ].channels =
+ sc->channels[IEEE80211_BAND_5GHZ];
+ sc->sbands[IEEE80211_BAND_5GHZ].bitrates =
+ sc->rates[IEEE80211_BAND_5GHZ];
+ sc->sbands[IEEE80211_BAND_5GHZ].band =
+ IEEE80211_BAND_5GHZ;
- ath_rate_newstate(sc, avp);
- /* Update ratectrl about the new state */
- ath_rc_node_update(hw, avp->rc_node);
- } else {
- DPRINTF(sc, ATH_DBG_CONFIG,
- "%s: Bss Info DISSOC\n", __func__);
- sc->sc_curaid = 0;
+ if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT)
+ /* Setup HT capabilities for 5Ghz*/
+ setup_ht_cap(&sc->sbands[IEEE80211_BAND_5GHZ].ht_info);
+
+ hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
+ &sc->sbands[IEEE80211_BAND_5GHZ];
}
-}
-static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_bss_conf *bss_conf,
- u32 changed)
-{
- struct ath_softc *sc = hw->priv;
+ /* FIXME: Have to figure out proper hw init values later */
- if (changed & BSS_CHANGED_ERP_PREAMBLE) {
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: BSS Changed PREAMBLE %d\n",
- __func__,
- bss_conf->use_short_preamble);
- if (bss_conf->use_short_preamble)
- sc->sc_flags |= ATH_PREAMBLE_SHORT;
- else
- sc->sc_flags &= ~ATH_PREAMBLE_SHORT;
- }
+ hw->queues = 4;
+ hw->ampdu_queues = 1;
- if (changed & BSS_CHANGED_ERP_CTS_PROT) {
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: BSS Changed CTS PROT %d\n",
- __func__,
- bss_conf->use_cts_prot);
- if (bss_conf->use_cts_prot &&
- hw->conf.channel->band != IEEE80211_BAND_5GHZ)
- sc->sc_flags |= ATH_PROTECT_ENABLE;
- else
- sc->sc_flags &= ~ATH_PROTECT_ENABLE;
+ /* Register rate control */
+ hw->rate_control_algorithm = "ath9k_rate_control";
+ error = ath_rate_control_register();
+ if (error != 0) {
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "%s: Unable to register rate control "
+ "algorithm:%d\n", __func__, error);
+ ath_rate_control_unregister();
+ goto bad;
}
- if (changed & BSS_CHANGED_HT) {
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: BSS Changed HT %d\n",
- __func__,
- bss_conf->assoc_ht);
- ath9k_ht_conf(sc, bss_conf);
+ error = ieee80211_register_hw(hw);
+ if (error != 0) {
+ ath_rate_control_unregister();
+ goto bad;
}
- if (changed & BSS_CHANGED_ASSOC) {
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: BSS Changed ASSOC %d\n",
- __func__,
- bss_conf->assoc);
- ath9k_bss_assoc_info(sc, bss_conf);
- }
-}
+ /* Initialize LED control */
+ ath_init_leds(sc);
-static u64 ath9k_get_tsf(struct ieee80211_hw *hw)
-{
- u64 tsf;
- struct ath_softc *sc = hw->priv;
- struct ath_hal *ah = sc->sc_ah;
+#ifdef CONFIG_RFKILL
+ /* Initialze h/w Rfkill */
+ if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+ INIT_DELAYED_WORK(&sc->rf_kill.rfkill_poll, ath_rfkill_poll);
- tsf = ath9k_hw_gettsf64(ah);
+ /* Initialize s/w rfkill */
+ if (ath_init_sw_rfkill(sc))
+ goto detach;
+#endif
- return tsf;
-}
+ /* initialize tx/rx engine */
-static void ath9k_reset_tsf(struct ieee80211_hw *hw)
-{
- struct ath_softc *sc = hw->priv;
- struct ath_hal *ah = sc->sc_ah;
+ error = ath_tx_init(sc, ATH_TXBUF);
+ if (error != 0)
+ goto detach;
- ath9k_hw_reset_tsf(ah);
+ error = ath_rx_init(sc, ATH_RXBUF);
+ if (error != 0)
+ goto detach;
+
+ return 0;
+detach:
+ ath_detach(sc);
+bad:
+ return error;
}
-static int ath9k_ampdu_action(struct ieee80211_hw *hw,
- enum ieee80211_ampdu_mlme_action action,
- const u8 *addr,
- u16 tid,
- u16 *ssn)
+static int ath9k_start(struct ieee80211_hw *hw)
{
struct ath_softc *sc = hw->priv;
- int ret = 0;
+ struct ieee80211_channel *curchan = hw->conf.channel;
+ int error = 0, pos;
- switch (action) {
- case IEEE80211_AMPDU_RX_START:
- ret = ath_rx_aggr_start(sc, addr, tid, ssn);
- if (ret < 0)
- DPRINTF(sc, ATH_DBG_FATAL,
- "%s: Unable to start RX aggregation\n",
- __func__);
- break;
- case IEEE80211_AMPDU_RX_STOP:
- ret = ath_rx_aggr_stop(sc, addr, tid);
- if (ret < 0)
- DPRINTF(sc, ATH_DBG_FATAL,
- "%s: Unable to stop RX aggregation\n",
- __func__);
- break;
- case IEEE80211_AMPDU_TX_START:
- ret = ath_tx_aggr_start(sc, addr, tid, ssn);
- if (ret < 0)
- DPRINTF(sc, ATH_DBG_FATAL,
- "%s: Unable to start TX aggregation\n",
- __func__);
- else
- ieee80211_start_tx_ba_cb_irqsafe(hw, (u8 *)addr, tid);
- break;
- case IEEE80211_AMPDU_TX_STOP:
- ret = ath_tx_aggr_stop(sc, addr, tid);
- if (ret < 0)
- DPRINTF(sc, ATH_DBG_FATAL,
- "%s: Unable to stop TX aggregation\n",
- __func__);
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: Starting driver with "
+ "initial channel: %d MHz\n", __func__, curchan->center_freq);
- ieee80211_stop_tx_ba_cb_irqsafe(hw, (u8 *)addr, tid);
- break;
- default:
+ /* setup initial channel */
+
+ pos = ath_get_channel(sc, curchan);
+ if (pos == -1) {
+ DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid channel\n", __func__);
+ return -EINVAL;
+ }
+
+ sc->sc_ah->ah_channels[pos].chanmode =
+ (curchan->band == IEEE80211_BAND_2GHZ) ? CHANNEL_G : CHANNEL_A;
+
+ /* open ath_dev */
+ error = ath_open(sc, &sc->sc_ah->ah_channels[pos]);
+ if (error) {
DPRINTF(sc, ATH_DBG_FATAL,
- "%s: Unknown AMPDU action\n", __func__);
+ "%s: Unable to complete ath_open\n", __func__);
+ return error;
}
- return ret;
+#ifdef CONFIG_RFKILL
+ /* Start rfkill polling */
+ if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+ queue_delayed_work(sc->hw->workqueue,
+ &sc->rf_kill.rfkill_poll, 0);
+
+ if (!(sc->sc_flags & SC_OP_RFKILL_REGISTERED)) {
+ if (rfkill_register(sc->rf_kill.rfkill)) {
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "Unable to register rfkill\n");
+ rfkill_free(sc->rf_kill.rfkill);
+
+ /* Deinitialize the device */
+ if (sc->pdev->irq)
+ free_irq(sc->pdev->irq, sc);
+ ath_detach(sc);
+ pci_iounmap(sc->pdev, sc->mem);
+ pci_release_region(sc->pdev, 0);
+ pci_disable_device(sc->pdev);
+ ieee80211_free_hw(hw);
+ return -EIO;
+ } else {
+ sc->sc_flags |= SC_OP_RFKILL_REGISTERED;
+ }
+ }
+#endif
+
+ ieee80211_wake_queues(hw);
+ return 0;
}
-static struct ieee80211_ops ath9k_ops = {
- .tx = ath9k_tx,
- .start = ath9k_start,
- .stop = ath9k_stop,
- .add_interface = ath9k_add_interface,
- .remove_interface = ath9k_remove_interface,
- .config = ath9k_config,
- .config_interface = ath9k_config_interface,
- .configure_filter = ath9k_configure_filter,
- .get_stats = NULL,
- .sta_notify = ath9k_sta_notify,
- .conf_tx = ath9k_conf_tx,
- .get_tx_stats = NULL,
- .bss_info_changed = ath9k_bss_info_changed,
- .set_tim = NULL,
- .set_key = ath9k_set_key,
- .hw_scan = NULL,
- .get_tkip_seq = NULL,
- .set_rts_threshold = NULL,
- .set_frag_threshold = NULL,
- .set_retry_limit = NULL,
- .get_tsf = ath9k_get_tsf,
- .reset_tsf = ath9k_reset_tsf,
- .tx_last_beacon = NULL,
- .ampdu_action = ath9k_ampdu_action
-};
+static int ath9k_tx(struct ieee80211_hw *hw,
+ struct sk_buff *skb)
+{
+ struct ath_softc *sc = hw->priv;
+ int hdrlen, padsize;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-void ath_get_beaconconfig(struct ath_softc *sc,
- int if_id,
- struct ath_beacon_config *conf)
+ /*
+ * As a temporary workaround, assign seq# here; this will likely need
+ * to be cleaned up to work better with Beacon transmission and virtual
+ * BSSes.
+ */
+ if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
+ sc->seq_no += 0x10;
+ hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
+ hdr->seq_ctrl |= cpu_to_le16(sc->seq_no);
+ }
+
+ /* Add the padding after the header if this is not already done */
+ hdrlen = ieee80211_get_hdrlen_from_skb(skb);
+ if (hdrlen & 3) {
+ padsize = hdrlen % 4;
+ if (skb_headroom(skb) < padsize)
+ return -1;
+ skb_push(skb, padsize);
+ memmove(skb->data, skb->data + padsize, hdrlen);
+ }
+
+ DPRINTF(sc, ATH_DBG_XMIT, "%s: transmitting packet, skb: %p\n",
+ __func__,
+ skb);
+
+ if (ath_tx_start(sc, skb) != 0) {
+ DPRINTF(sc, ATH_DBG_XMIT, "%s: TX failed\n", __func__);
+ dev_kfree_skb_any(skb);
+ /* FIXME: Check for proper return value from ATH_DEV */
+ return 0;
+ }
+
+ return 0;
+}
+
+static void ath9k_stop(struct ieee80211_hw *hw)
{
- struct ieee80211_hw *hw = sc->hw;
+ struct ath_softc *sc = hw->priv;
+ int error;
- /* fill in beacon config data */
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: Driver halt\n", __func__);
- conf->beacon_interval = hw->conf.beacon_int;
- conf->listen_interval = 100;
- conf->dtim_count = 1;
- conf->bmiss_timeout = ATH_DEFAULT_BMISS_LIMIT * conf->listen_interval;
+ error = ath_suspend(sc);
+ if (error)
+ DPRINTF(sc, ATH_DBG_CONFIG,
+ "%s: Device is no longer present\n", __func__);
+
+ ieee80211_stop_queues(hw);
+
+#ifdef CONFIG_RFKILL
+ if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+ cancel_delayed_work_sync(&sc->rf_kill.rfkill_poll);
+#endif
}
-int ath_update_beacon(struct ath_softc *sc,
- int if_id,
- struct ath_beacon_offset *bo,
- struct sk_buff *skb,
- int mcast)
+static int ath9k_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
{
+ struct ath_softc *sc = hw->priv;
+ int error, ic_opmode = 0;
+
+ /* Support only vap for now */
+
+ if (sc->sc_nvaps)
+ return -ENOBUFS;
+
+ switch (conf->type) {
+ case NL80211_IFTYPE_STATION:
+ ic_opmode = ATH9K_M_STA;
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ ic_opmode = ATH9K_M_IBSS;
+ break;
+ case NL80211_IFTYPE_AP:
+ ic_opmode = ATH9K_M_HOSTAP;
+ break;
+ default:
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "%s: Interface type %d not yet supported\n",
+ __func__, conf->type);
+ return -EOPNOTSUPP;
+ }
+
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: Attach a VAP of type: %d\n",
+ __func__,
+ ic_opmode);
+
+ error = ath_vap_attach(sc, 0, conf->vif, ic_opmode);
+ if (error) {
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "%s: Unable to attach vap, error: %d\n",
+ __func__, error);
+ return error;
+ }
+
return 0;
}
-void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
- struct ath_xmit_status *tx_status, struct ath_node *an)
+static void ath9k_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
{
- struct ieee80211_hw *hw = sc->hw;
- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+ struct ath_softc *sc = hw->priv;
+ struct ath_vap *avp;
+ int error;
- DPRINTF(sc, ATH_DBG_XMIT,
- "%s: TX complete: skb: %p\n", __func__, skb);
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: Detach VAP\n", __func__);
- if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK ||
- tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
- /* free driver's private data area of tx_info */
- if (tx_info->driver_data[0] != NULL)
- kfree(tx_info->driver_data[0]);
- tx_info->driver_data[0] = NULL;
+ avp = sc->sc_vaps[0];
+ if (avp == NULL) {
+ DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid interface\n",
+ __func__);
+ return;
}
- if (tx_status->flags & ATH_TX_BAR) {
- tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
- tx_status->flags &= ~ATH_TX_BAR;
+#ifdef CONFIG_SLOW_ANT_DIV
+ ath_slow_ant_div_stop(&sc->sc_antdiv);
+#endif
+
+ /* Update ratectrl */
+ ath_rate_newstate(sc, avp);
+
+ /* Reclaim beacon resources */
+ if (sc->sc_ah->ah_opmode == ATH9K_M_HOSTAP ||
+ sc->sc_ah->ah_opmode == ATH9K_M_IBSS) {
+ ath9k_hw_stoptxdma(sc->sc_ah, sc->sc_bhalq);
+ ath_beacon_return(sc, avp);
}
- if (tx_status->flags & (ATH_TX_ERROR | ATH_TX_XRETRY)) {
- if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK)) {
- /* Frame was not ACKed, but an ACK was expected */
- tx_info->status.excessive_retries = 1;
- }
- } else {
- /* Frame was ACKed */
- tx_info->flags |= IEEE80211_TX_STAT_ACK;
+ /* Set interrupt mask */
+ sc->sc_imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
+ ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_imask & ~ATH9K_INT_GLOBAL);
+ sc->sc_flags &= ~SC_OP_BEACONS;
+
+ error = ath_vap_detach(sc, 0);
+ if (error)
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "%s: Unable to detach vap, error: %d\n",
+ __func__, error);
+}
+
+static int ath9k_config(struct ieee80211_hw *hw,
+ struct ieee80211_conf *conf)
+{
+ struct ath_softc *sc = hw->priv;
+ struct ieee80211_channel *curchan = hw->conf.channel;
+ int pos;
+
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: Set channel: %d MHz\n",
+ __func__,
+ curchan->center_freq);
+
+ pos = ath_get_channel(sc, curchan);
+ if (pos == -1) {
+ DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid channel\n", __func__);
+ return -EINVAL;
}
- tx_info->status.retry_count = tx_status->retries;
+ sc->sc_ah->ah_channels[pos].chanmode =
+ (curchan->band == IEEE80211_BAND_2GHZ) ?
+ CHANNEL_G : CHANNEL_A;
- ieee80211_tx_status(hw, skb);
- if (an)
- ath_node_put(sc, an, ATH9K_BH_STATUS_CHANGE);
+ if (sc->sc_curaid && hw->conf.ht_conf.ht_supported)
+ sc->sc_ah->ah_channels[pos].chanmode =
+ ath_get_extchanmode(sc, curchan);
+
+ sc->sc_config.txpowlimit = 2 * conf->power_level;
+
+ /* set h/w channel */
+ if (ath_set_channel(sc, &sc->sc_ah->ah_channels[pos]) < 0)
+ DPRINTF(sc, ATH_DBG_FATAL, "%s: Unable to set channel\n",
+ __func__);
+
+ return 0;
}
-int ath__rx_indicate(struct ath_softc *sc,
- struct sk_buff *skb,
- struct ath_recv_status *status,
- u16 keyix)
+static int ath9k_config_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_if_conf *conf)
{
- struct ieee80211_hw *hw = sc->hw;
- struct ath_node *an = NULL;
- struct ieee80211_rx_status rx_status;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- int hdrlen = ieee80211_get_hdrlen_from_skb(skb);
- int padsize;
- enum ATH_RX_TYPE st;
+ struct ath_softc *sc = hw->priv;
+ struct ath_hal *ah = sc->sc_ah;
+ struct ath_vap *avp;
+ u32 rfilt = 0;
+ int error, i;
+ DECLARE_MAC_BUF(mac);
- /* see if any padding is done by the hw and remove it */
- if (hdrlen & 3) {
- padsize = hdrlen % 4;
- memmove(skb->data + padsize, skb->data, hdrlen);
- skb_pull(skb, padsize);
+ avp = sc->sc_vaps[0];
+ if (avp == NULL) {
+ DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid interface\n",
+ __func__);
+ return -EINVAL;
}
- /* remove FCS before passing up to protocol stack */
- skb_trim(skb, (skb->len - FCS_LEN));
+ /* TODO: Need to decide which hw opmode to use for multi-interface
+ * cases */
+ if (vif->type == NL80211_IFTYPE_AP &&
+ ah->ah_opmode != ATH9K_M_HOSTAP) {
+ ah->ah_opmode = ATH9K_M_HOSTAP;
+ ath9k_hw_setopmode(ah);
+ ath9k_hw_write_associd(ah, sc->sc_myaddr, 0);
+ /* Request full reset to get hw opmode changed properly */
+ sc->sc_flags |= SC_OP_FULL_RESET;
+ }
- /* Prepare rx status */
- ath9k_rx_prepare(sc, skb, status, &rx_status);
+ if ((conf->changed & IEEE80211_IFCC_BSSID) &&
+ !is_zero_ether_addr(conf->bssid)) {
+ switch (vif->type) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_ADHOC:
+ /* Update ratectrl about the new state */
+ ath_rate_newstate(sc, avp);
- if (!(keyix == ATH9K_RXKEYIX_INVALID) &&
- !(status->flags & ATH_RX_DECRYPT_ERROR)) {
- rx_status.flag |= RX_FLAG_DECRYPTED;
- } else if ((le16_to_cpu(hdr->frame_control) & IEEE80211_FCTL_PROTECTED)
- && !(status->flags & ATH_RX_DECRYPT_ERROR)
- && skb->len >= hdrlen + 4) {
- keyix = skb->data[hdrlen + 3] >> 6;
+ /* Set BSSID */
+ memcpy(sc->sc_curbssid, conf->bssid, ETH_ALEN);
+ sc->sc_curaid = 0;
+ ath9k_hw_write_associd(sc->sc_ah, sc->sc_curbssid,
+ sc->sc_curaid);
- if (test_bit(keyix, sc->sc_keymap))
- rx_status.flag |= RX_FLAG_DECRYPTED;
+ /* Set aggregation protection mode parameters */
+ sc->sc_config.ath_aggr_prot = 0;
+
+ /*
+ * Reset our TSF so that its value is lower than the
+ * beacon that we are trying to catch.
+ * Only then hw will update its TSF register with the
+ * new beacon. Reset the TSF before setting the BSSID
+ * to avoid allowing in any frames that would update
+ * our TSF only to have us clear it
+ * immediately thereafter.
+ */
+ ath9k_hw_reset_tsf(sc->sc_ah);
+
+ /* Disable BMISS interrupt when we're not associated */
+ ath9k_hw_set_interrupts(sc->sc_ah,
+ sc->sc_imask &
+ ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS));
+ sc->sc_imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
+
+ DPRINTF(sc, ATH_DBG_CONFIG,
+ "%s: RX filter 0x%x bssid %s aid 0x%x\n",
+ __func__, rfilt,
+ print_mac(mac, sc->sc_curbssid), sc->sc_curaid);
+
+ /* need to reconfigure the beacon */
+ sc->sc_flags &= ~SC_OP_BEACONS ;
+
+ break;
+ default:
+ break;
+ }
}
- spin_lock_bh(&sc->node_lock);
- an = ath_node_find(sc, hdr->addr2);
- spin_unlock_bh(&sc->node_lock);
+ if ((conf->changed & IEEE80211_IFCC_BEACON) &&
+ ((vif->type == NL80211_IFTYPE_ADHOC) ||
+ (vif->type == NL80211_IFTYPE_AP))) {
+ /*
+ * Allocate and setup the beacon frame.
+ *
+ * Stop any previous beacon DMA. This may be
+ * necessary, for example, when an ibss merge
+ * causes reconfiguration; we may be called
+ * with beacon transmission active.
+ */
+ ath9k_hw_stoptxdma(sc->sc_ah, sc->sc_bhalq);
- if (an) {
- ath_rx_input(sc, an,
- hw->conf.ht_conf.ht_supported,
- skb, status, &st);
+ error = ath_beacon_alloc(sc, 0);
+ if (error != 0)
+ return error;
+
+ ath_beacon_sync(sc, 0);
}
- if (!an || (st != ATH_RX_CONSUMED))
- __ieee80211_rx(hw, skb, &rx_status);
+
+ /* Check for WLAN_CAPABILITY_PRIVACY ? */
+ if ((avp->av_opmode != NL80211_IFTYPE_STATION)) {
+ for (i = 0; i < IEEE80211_WEP_NKID; i++)
+ if (ath9k_hw_keyisvalid(sc->sc_ah, (u16)i))
+ ath9k_hw_keysetmac(sc->sc_ah,
+ (u16)i,
+ sc->sc_curbssid);
+ }
+
+ /* Only legacy IBSS for now */
+ if (vif->type == NL80211_IFTYPE_ADHOC)
+ ath_update_chainmask(sc, 0);
return 0;
}
-int ath_rx_subframe(struct ath_node *an,
- struct sk_buff *skb,
- struct ath_recv_status *status)
+#define SUPPORTED_FILTERS \
+ (FIF_PROMISC_IN_BSS | \
+ FIF_ALLMULTI | \
+ FIF_CONTROL | \
+ FIF_OTHER_BSS | \
+ FIF_BCN_PRBRESP_PROMISC | \
+ FIF_FCSFAIL)
+
+/* FIXME: sc->sc_full_reset ? */
+static void ath9k_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags,
+ int mc_count,
+ struct dev_mc_list *mclist)
{
- struct ath_softc *sc = an->an_sc;
- struct ieee80211_hw *hw = sc->hw;
- struct ieee80211_rx_status rx_status;
+ struct ath_softc *sc = hw->priv;
+ u32 rfilt;
- /* Prepare rx status */
- ath9k_rx_prepare(sc, skb, status, &rx_status);
- if (!(status->flags & ATH_RX_DECRYPT_ERROR))
- rx_status.flag |= RX_FLAG_DECRYPTED;
+ changed_flags &= SUPPORTED_FILTERS;
+ *total_flags &= SUPPORTED_FILTERS;
- __ieee80211_rx(hw, skb, &rx_status);
+ sc->rx_filter = *total_flags;
+ rfilt = ath_calcrxfilter(sc);
+ ath9k_hw_setrxfilter(sc->sc_ah, rfilt);
- return 0;
-}
+ if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
+ if (*total_flags & FIF_BCN_PRBRESP_PROMISC)
+ ath9k_hw_write_associd(sc->sc_ah, ath_bcast_mac, 0);
+ }
-enum ath9k_ht_macmode ath_cwm_macmode(struct ath_softc *sc)
-{
- return sc->sc_ht_info.tx_chan_width;
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: Set HW RX filter: 0x%x\n",
+ __func__, sc->rx_filter);
}
-static int ath_detach(struct ath_softc *sc)
+static void ath9k_sta_notify(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum sta_notify_cmd cmd,
+ struct ieee80211_sta *sta)
{
- struct ieee80211_hw *hw = sc->hw;
-
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: Detach ATH hw\n", __func__);
+ struct ath_softc *sc = hw->priv;
+ struct ath_node *an;
+ unsigned long flags;
+ DECLARE_MAC_BUF(mac);
- /* Unregister hw */
+ spin_lock_irqsave(&sc->node_lock, flags);
+ an = ath_node_find(sc, sta->addr);
+ spin_unlock_irqrestore(&sc->node_lock, flags);
- ieee80211_unregister_hw(hw);
+ switch (cmd) {
+ case STA_NOTIFY_ADD:
+ spin_lock_irqsave(&sc->node_lock, flags);
+ if (!an) {
+ ath_node_attach(sc, sta->addr, 0);
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: Attach a node: %s\n",
+ __func__, print_mac(mac, sta->addr));
+ } else {
+ ath_node_get(sc, sta->addr);
+ }
+ spin_unlock_irqrestore(&sc->node_lock, flags);
+ break;
+ case STA_NOTIFY_REMOVE:
+ if (!an)
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "%s: Removal of a non-existent node\n",
+ __func__);
+ else {
+ ath_node_put(sc, an, ATH9K_BH_STATUS_INTACT);
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: Put a node: %s\n",
+ __func__,
+ print_mac(mac, sta->addr));
+ }
+ break;
+ default:
+ break;
+ }
+}
- /* unregister Rate control */
- ath_rate_control_unregister();
+static int ath9k_conf_tx(struct ieee80211_hw *hw,
+ u16 queue,
+ const struct ieee80211_tx_queue_params *params)
+{
+ struct ath_softc *sc = hw->priv;
+ struct ath9k_tx_queue_info qi;
+ int ret = 0, qnum;
- /* tx/rx cleanup */
+ if (queue >= WME_NUM_AC)
+ return 0;
- ath_rx_cleanup(sc);
- ath_tx_cleanup(sc);
+ qi.tqi_aifs = params->aifs;
+ qi.tqi_cwmin = params->cw_min;
+ qi.tqi_cwmax = params->cw_max;
+ qi.tqi_burstTime = params->txop;
+ qnum = ath_get_hal_qnum(queue, sc);
- /* Deinit */
+ DPRINTF(sc, ATH_DBG_CONFIG,
+ "%s: Configure tx [queue/halq] [%d/%d], "
+ "aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n",
+ __func__,
+ queue,
+ qnum,
+ params->aifs,
+ params->cw_min,
+ params->cw_max,
+ params->txop);
- ath_deinit(sc);
+ ret = ath_txq_update(sc, qnum, &qi);
+ if (ret)
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "%s: TXQ Update failed\n", __func__);
- return 0;
+ return ret;
}
-static int ath_attach(u16 devid,
- struct ath_softc *sc)
+static int ath9k_set_key(struct ieee80211_hw *hw,
+ enum set_key_cmd cmd,
+ const u8 *local_addr,
+ const u8 *addr,
+ struct ieee80211_key_conf *key)
{
- struct ieee80211_hw *hw = sc->hw;
- int error = 0;
+ struct ath_softc *sc = hw->priv;
+ int ret = 0;
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: Attach ATH hw\n", __func__);
+ DPRINTF(sc, ATH_DBG_KEYCACHE, " %s: Set HW Key\n", __func__);
- error = ath_init(devid, sc);
- if (error != 0)
- return error;
+ switch (cmd) {
+ case SET_KEY:
+ ret = ath_key_config(sc, addr, key);
+ if (!ret) {
+ set_bit(key->keyidx, sc->sc_keymap);
+ key->hw_key_idx = key->keyidx;
+ /* push IV and Michael MIC generation to stack */
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+ if (key->alg == ALG_TKIP)
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+ }
+ break;
+ case DISABLE_KEY:
+ ath_key_delete(sc, key);
+ clear_bit(key->keyidx, sc->sc_keymap);
+ break;
+ default:
+ ret = -EINVAL;
+ }
- /* Init nodes */
+ return ret;
+}
- INIT_LIST_HEAD(&sc->node_list);
- spin_lock_init(&sc->node_lock);
+static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *bss_conf,
+ u32 changed)
+{
+ struct ath_softc *sc = hw->priv;
- /* get mac address from hardware and set in mac80211 */
+ if (changed & BSS_CHANGED_ERP_PREAMBLE) {
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: BSS Changed PREAMBLE %d\n",
+ __func__,
+ bss_conf->use_short_preamble);
+ if (bss_conf->use_short_preamble)
+ sc->sc_flags |= SC_OP_PREAMBLE_SHORT;
+ else
+ sc->sc_flags &= ~SC_OP_PREAMBLE_SHORT;
+ }
- SET_IEEE80211_PERM_ADDR(hw, sc->sc_myaddr);
+ if (changed & BSS_CHANGED_ERP_CTS_PROT) {
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: BSS Changed CTS PROT %d\n",
+ __func__,
+ bss_conf->use_cts_prot);
+ if (bss_conf->use_cts_prot &&
+ hw->conf.channel->band != IEEE80211_BAND_5GHZ)
+ sc->sc_flags |= SC_OP_PROTECT_ENABLE;
+ else
+ sc->sc_flags &= ~SC_OP_PROTECT_ENABLE;
+ }
- /* setup channels and rates */
+ if (changed & BSS_CHANGED_HT) {
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: BSS Changed HT %d\n",
+ __func__,
+ bss_conf->assoc_ht);
+ ath9k_ht_conf(sc, bss_conf);
+ }
- sc->sbands[IEEE80211_BAND_2GHZ].channels =
- sc->channels[IEEE80211_BAND_2GHZ];
- sc->sbands[IEEE80211_BAND_2GHZ].bitrates =
- sc->rates[IEEE80211_BAND_2GHZ];
- sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
+ if (changed & BSS_CHANGED_ASSOC) {
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: BSS Changed ASSOC %d\n",
+ __func__,
+ bss_conf->assoc);
+ ath9k_bss_assoc_info(sc, bss_conf);
+ }
+}
- if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT)
- /* Setup HT capabilities for 2.4Ghz*/
- setup_ht_cap(&sc->sbands[IEEE80211_BAND_2GHZ].ht_info);
+static u64 ath9k_get_tsf(struct ieee80211_hw *hw)
+{
+ u64 tsf;
+ struct ath_softc *sc = hw->priv;
+ struct ath_hal *ah = sc->sc_ah;
- hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
- &sc->sbands[IEEE80211_BAND_2GHZ];
+ tsf = ath9k_hw_gettsf64(ah);
- if (test_bit(ATH9K_MODE_11A, sc->sc_ah->ah_caps.wireless_modes)) {
- sc->sbands[IEEE80211_BAND_5GHZ].channels =
- sc->channels[IEEE80211_BAND_5GHZ];
- sc->sbands[IEEE80211_BAND_5GHZ].bitrates =
- sc->rates[IEEE80211_BAND_5GHZ];
- sc->sbands[IEEE80211_BAND_5GHZ].band =
- IEEE80211_BAND_5GHZ;
+ return tsf;
+}
- if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT)
- /* Setup HT capabilities for 5Ghz*/
- setup_ht_cap(&sc->sbands[IEEE80211_BAND_5GHZ].ht_info);
+static void ath9k_reset_tsf(struct ieee80211_hw *hw)
+{
+ struct ath_softc *sc = hw->priv;
+ struct ath_hal *ah = sc->sc_ah;
- hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
- &sc->sbands[IEEE80211_BAND_5GHZ];
- }
+ ath9k_hw_reset_tsf(ah);
+}
- /* FIXME: Have to figure out proper hw init values later */
+static int ath9k_ampdu_action(struct ieee80211_hw *hw,
+ enum ieee80211_ampdu_mlme_action action,
+ struct ieee80211_sta *sta,
+ u16 tid, u16 *ssn)
+{
+ struct ath_softc *sc = hw->priv;
+ int ret = 0;
- hw->queues = 4;
- hw->ampdu_queues = 1;
+ switch (action) {
+ case IEEE80211_AMPDU_RX_START:
+ ret = ath_rx_aggr_start(sc, sta->addr, tid, ssn);
+ if (ret < 0)
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "%s: Unable to start RX aggregation\n",
+ __func__);
+ break;
+ case IEEE80211_AMPDU_RX_STOP:
+ ret = ath_rx_aggr_stop(sc, sta->addr, tid);
+ if (ret < 0)
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "%s: Unable to stop RX aggregation\n",
+ __func__);
+ break;
+ case IEEE80211_AMPDU_TX_START:
+ ret = ath_tx_aggr_start(sc, sta->addr, tid, ssn);
+ if (ret < 0)
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "%s: Unable to start TX aggregation\n",
+ __func__);
+ else
+ ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+ break;
+ case IEEE80211_AMPDU_TX_STOP:
+ ret = ath_tx_aggr_stop(sc, sta->addr, tid);
+ if (ret < 0)
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "%s: Unable to stop TX aggregation\n",
+ __func__);
- /* Register rate control */
- hw->rate_control_algorithm = "ath9k_rate_control";
- error = ath_rate_control_register();
- if (error != 0) {
+ ieee80211_stop_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+ break;
+ default:
DPRINTF(sc, ATH_DBG_FATAL,
- "%s: Unable to register rate control "
- "algorithm:%d\n", __func__, error);
- ath_rate_control_unregister();
- goto bad;
- }
-
- error = ieee80211_register_hw(hw);
- if (error != 0) {
- ath_rate_control_unregister();
- goto bad;
+ "%s: Unknown AMPDU action\n", __func__);
}
- /* initialize tx/rx engine */
-
- error = ath_tx_init(sc, ATH_TXBUF);
- if (error != 0)
- goto bad1;
-
- error = ath_rx_init(sc, ATH_RXBUF);
- if (error != 0)
- goto bad1;
-
- return 0;
-bad1:
- ath_detach(sc);
-bad:
- return error;
+ return ret;
}
+static struct ieee80211_ops ath9k_ops = {
+ .tx = ath9k_tx,
+ .start = ath9k_start,
+ .stop = ath9k_stop,
+ .add_interface = ath9k_add_interface,
+ .remove_interface = ath9k_remove_interface,
+ .config = ath9k_config,
+ .config_interface = ath9k_config_interface,
+ .configure_filter = ath9k_configure_filter,
+ .get_stats = NULL,
+ .sta_notify = ath9k_sta_notify,
+ .conf_tx = ath9k_conf_tx,
+ .get_tx_stats = NULL,
+ .bss_info_changed = ath9k_bss_info_changed,
+ .set_tim = NULL,
+ .set_key = ath9k_set_key,
+ .hw_scan = NULL,
+ .get_tkip_seq = NULL,
+ .set_rts_threshold = NULL,
+ .set_frag_threshold = NULL,
+ .set_retry_limit = NULL,
+ .get_tsf = ath9k_get_tsf,
+ .reset_tsf = ath9k_reset_tsf,
+ .tx_last_beacon = NULL,
+ .ampdu_action = ath9k_ampdu_action
+};
+
static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
void __iomem *mem;
goto bad2;
}
- hw->flags = IEEE80211_HW_SIGNAL_DBM |
+ hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
+ IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+ IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_NOISE_DBM;
+ hw->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_ADHOC);
+
SET_IEEE80211_DEV(hw, &pdev->dev);
pci_set_drvdata(pdev, hw);
ath9k_hw_set_interrupts(sc->sc_ah, 0);
/* clear the ISR */
ath9k_hw_getisr(sc->sc_ah, &status);
- sc->sc_invalid = 1;
+ sc->sc_flags |= SC_OP_INVALID;
free_irq(pdev->irq, sc);
}
ath_detach(sc);
static int ath_pci_suspend(struct pci_dev *pdev, pm_message_t state)
{
+ struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+ struct ath_softc *sc = hw->priv;
+
+ ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 1);
+
+#ifdef CONFIG_RFKILL
+ if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+ cancel_delayed_work_sync(&sc->rf_kill.rfkill_poll);
+#endif
+
pci_save_state(pdev);
pci_disable_device(pdev);
pci_set_power_state(pdev, 3);
static int ath_pci_resume(struct pci_dev *pdev)
{
+ struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+ struct ath_softc *sc = hw->priv;
u32 val;
int err;
if ((val & 0x0000ff00) != 0)
pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
+ /* Enable LED */
+ ath9k_hw_cfg_output(sc->sc_ah, ATH_LED_PIN,
+ AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+ ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 1);
+
+#ifdef CONFIG_RFKILL
+ /*
+ * check the h/w rfkill state on resume
+ * and start the rfkill poll timer
+ */
+ if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+ queue_delayed_work(sc->hw->workqueue,
+ &sc->rf_kill.rfkill_poll, 0);
+#endif
+
return 0;
}
projects / linux-2.6-omap-h63xx.git / blobdiff