ath9k: Re-order functions in main.c

Some of the functions in main.c are re-ordered in such
a way that all local functions are defined before mac80211
and pci callbacks.

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2008-09-10 18:49:27 +05:30 committed by John W. Linville
parent f8e77caefe
commit 8feceb6792

View File

@ -325,6 +325,475 @@ static u8 parse_mpdudensity(u8 mpdudensity)
}
}
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;
if (bss_conf->assoc_ht) {
ht_info->ext_chan_offset =
bss_conf->ht_bss_conf->bss_cap &
IEEE80211_HT_IE_CHA_SEC_OFFSET;
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;
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);
}
#undef IEEE80211_HT_CAP_40MHZ_INTOLERANT
}
static void ath9k_bss_assoc_info(struct ath_softc *sc,
struct ieee80211_bss_conf *bss_conf)
{
struct ieee80211_hw *hw = sc->hw;
struct ieee80211_channel *curchan = hw->conf.channel;
struct ath_vap *avp;
int pos;
DECLARE_MAC_BUF(mac);
if (bss_conf->assoc) {
DPRINTF(sc, ATH_DBG_CONFIG, "%s: Bss Info ASSOC %d\n",
__func__,
bss_conf->aid);
avp = sc->sc_vaps[0];
if (avp == NULL) {
DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid interface\n",
__func__);
return;
}
/* 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);
}
/* Configure the beacon */
ath_beacon_config(sc, 0);
sc->sc_flags |= SC_OP_BEACONS;
/* 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;
/* Update chainmask */
ath_update_chainmask(sc, bss_conf->assoc_ht);
DPRINTF(sc, ATH_DBG_CONFIG,
"%s: bssid %s aid 0x%x\n",
__func__,
print_mac(mac, sc->sc_curbssid), sc->sc_curaid);
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;
}
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;
/* 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__);
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;
}
}
void ath_get_beaconconfig(struct ath_softc *sc,
int if_id,
struct ath_beacon_config *conf)
{
struct ieee80211_hw *hw = sc->hw;
/* fill in beacon config data */
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;
}
void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
struct ath_xmit_status *tx_status, struct ath_node *an)
{
struct ieee80211_hw *hw = sc->hw;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
DPRINTF(sc, ATH_DBG_XMIT,
"%s: TX complete: skb: %p\n", __func__, skb);
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;
}
if (tx_status->flags & ATH_TX_BAR) {
tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
tx_status->flags &= ~ATH_TX_BAR;
}
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;
}
tx_info->status.retry_count = tx_status->retries;
ieee80211_tx_status(hw, skb);
if (an)
ath_node_put(sc, an, ATH9K_BH_STATUS_CHANGE);
}
int _ath_rx_indicate(struct ath_softc *sc,
struct sk_buff *skb,
struct ath_recv_status *status,
u16 keyix)
{
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;
/* 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);
}
/* Prepare rx status */
ath9k_rx_prepare(sc, skb, status, &rx_status);
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;
if (test_bit(keyix, sc->sc_keymap))
rx_status.flag |= RX_FLAG_DECRYPTED;
}
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;
}
int ath_rx_subframe(struct ath_node *an,
struct sk_buff *skb,
struct ath_recv_status *status)
{
struct ath_softc *sc = an->an_sc;
struct ieee80211_hw *hw = sc->hw;
struct ieee80211_rx_status rx_status;
/* 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;
}
}
static int ath_register_led(struct ath_softc *sc, struct ath_led *led,
char *trigger)
{
int ret;
led->sc = sc;
led->led_cdev.name = led->name;
led->led_cdev.default_trigger = trigger;
led->led_cdev.brightness_set = ath_led_brightness;
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;
}
static void ath_unregister_led(struct ath_led *led)
{
if (led->registered) {
led_classdev_unregister(&led->led_cdev);
led->registered = 0;
}
}
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);
}
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;
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;
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;
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;
return;
fail:
ath_deinit_leds(sc);
}
static int ath_detach(struct ath_softc *sc)
{
struct ieee80211_hw *hw = sc->hw;
DPRINTF(sc, ATH_DBG_CONFIG, "%s: Detach ATH hw\n", __func__);
/* Deinit LED control */
ath_deinit_leds(sc);
/* Unregister hw */
ieee80211_unregister_hw(hw);
/* unregister Rate control */
ath_rate_control_unregister();
/* tx/rx cleanup */
ath_rx_cleanup(sc);
ath_tx_cleanup(sc);
/* Deinit */
ath_deinit(sc);
return 0;
}
static int ath_attach(u16 devid,
struct ath_softc *sc)
{
struct ieee80211_hw *hw = sc->hw;
int error = 0;
DPRINTF(sc, ATH_DBG_CONFIG, "%s: Attach ATH hw\n", __func__);
error = ath_init(devid, sc);
if (error != 0)
return error;
/* Init nodes */
INIT_LIST_HEAD(&sc->node_list);
spin_lock_init(&sc->node_lock);
/* get mac address from hardware and set in mac80211 */
SET_IEEE80211_PERM_ADDR(hw, sc->sc_myaddr);
/* setup channels and rates */
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 (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);
hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
&sc->sbands[IEEE80211_BAND_2GHZ];
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;
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];
}
/* FIXME: Have to figure out proper hw init values later */
hw->queues = 4;
hw->ampdu_queues = 1;
/* 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;
}
error = ieee80211_register_hw(hw);
if (error != 0) {
ath_rate_control_unregister();
goto bad;
}
/* Initialize LED control */
ath_init_leds(sc);
/* initialize tx/rx engine */
error = ath_tx_init(sc, ATH_TXBUF);
if (error != 0)
goto detach;
error = ath_rx_init(sc, ATH_RXBUF);
if (error != 0)
goto detach;
return 0;
detach:
ath_detach(sc);
bad:
return error;
}
static int ath9k_start(struct ieee80211_hw *hw)
{
struct ath_softc *sc = hw->priv;
@ -798,117 +1267,6 @@ static int ath9k_set_key(struct ieee80211_hw *hw,
return ret;
}
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;
if (bss_conf->assoc_ht) {
ht_info->ext_chan_offset =
bss_conf->ht_bss_conf->bss_cap &
IEEE80211_HT_IE_CHA_SEC_OFFSET;
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;
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);
}
#undef IEEE80211_HT_CAP_40MHZ_INTOLERANT
}
static void ath9k_bss_assoc_info(struct ath_softc *sc,
struct ieee80211_bss_conf *bss_conf)
{
struct ieee80211_hw *hw = sc->hw;
struct ieee80211_channel *curchan = hw->conf.channel;
struct ath_vap *avp;
int pos;
DECLARE_MAC_BUF(mac);
if (bss_conf->assoc) {
DPRINTF(sc, ATH_DBG_CONFIG, "%s: Bss Info ASSOC %d\n",
__func__,
bss_conf->aid);
avp = sc->sc_vaps[0];
if (avp == NULL) {
DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid interface\n",
__func__);
return;
}
/* 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);
}
/* Configure the beacon */
ath_beacon_config(sc, 0);
sc->sc_flags |= SC_OP_BEACONS;
/* 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;
/* Update chainmask */
ath_update_chainmask(sc, bss_conf->assoc_ht);
DPRINTF(sc, ATH_DBG_CONFIG,
"%s: bssid %s aid 0x%x\n",
__func__,
print_mac(mac, sc->sc_curbssid), sc->sc_curaid);
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;
}
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;
/* 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__);
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;
}
}
static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
@ -1048,364 +1406,6 @@ static struct ieee80211_ops ath9k_ops = {
.ampdu_action = ath9k_ampdu_action
};
void ath_get_beaconconfig(struct ath_softc *sc,
int if_id,
struct ath_beacon_config *conf)
{
struct ieee80211_hw *hw = sc->hw;
/* fill in beacon config data */
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;
}
void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
struct ath_xmit_status *tx_status, struct ath_node *an)
{
struct ieee80211_hw *hw = sc->hw;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
DPRINTF(sc, ATH_DBG_XMIT,
"%s: TX complete: skb: %p\n", __func__, skb);
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;
}
if (tx_status->flags & ATH_TX_BAR) {
tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
tx_status->flags &= ~ATH_TX_BAR;
}
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;
}
tx_info->status.retry_count = tx_status->retries;
ieee80211_tx_status(hw, skb);
if (an)
ath_node_put(sc, an, ATH9K_BH_STATUS_CHANGE);
}
int _ath_rx_indicate(struct ath_softc *sc,
struct sk_buff *skb,
struct ath_recv_status *status,
u16 keyix)
{
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;
/* 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);
}
/* Prepare rx status */
ath9k_rx_prepare(sc, skb, status, &rx_status);
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;
if (test_bit(keyix, sc->sc_keymap))
rx_status.flag |= RX_FLAG_DECRYPTED;
}
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;
}
int ath_rx_subframe(struct ath_node *an,
struct sk_buff *skb,
struct ath_recv_status *status)
{
struct ath_softc *sc = an->an_sc;
struct ieee80211_hw *hw = sc->hw;
struct ieee80211_rx_status rx_status;
/* 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;
}
}
static int ath_register_led(struct ath_softc *sc, struct ath_led *led,
char *trigger)
{
int ret;
led->sc = sc;
led->led_cdev.name = led->name;
led->led_cdev.default_trigger = trigger;
led->led_cdev.brightness_set = ath_led_brightness;
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;
}
static void ath_unregister_led(struct ath_led *led)
{
if (led->registered) {
led_classdev_unregister(&led->led_cdev);
led->registered = 0;
}
}
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);
}
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;
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;
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;
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;
return;
fail:
ath_deinit_leds(sc);
}
static int ath_detach(struct ath_softc *sc)
{
struct ieee80211_hw *hw = sc->hw;
DPRINTF(sc, ATH_DBG_CONFIG, "%s: Detach ATH hw\n", __func__);
/* Deinit LED control */
ath_deinit_leds(sc);
/* Unregister hw */
ieee80211_unregister_hw(hw);
/* unregister Rate control */
ath_rate_control_unregister();
/* tx/rx cleanup */
ath_rx_cleanup(sc);
ath_tx_cleanup(sc);
/* Deinit */
ath_deinit(sc);
return 0;
}
static int ath_attach(u16 devid,
struct ath_softc *sc)
{
struct ieee80211_hw *hw = sc->hw;
int error = 0;
DPRINTF(sc, ATH_DBG_CONFIG, "%s: Attach ATH hw\n", __func__);
error = ath_init(devid, sc);
if (error != 0)
return error;
/* Init nodes */
INIT_LIST_HEAD(&sc->node_list);
spin_lock_init(&sc->node_lock);
/* get mac address from hardware and set in mac80211 */
SET_IEEE80211_PERM_ADDR(hw, sc->sc_myaddr);
/* setup channels and rates */
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 (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);
hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
&sc->sbands[IEEE80211_BAND_2GHZ];
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;
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];
}
/* FIXME: Have to figure out proper hw init values later */
hw->queues = 4;
hw->ampdu_queues = 1;
/* 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;
}
error = ieee80211_register_hw(hw);
if (error != 0) {
ath_rate_control_unregister();
goto bad;
}
/* Initialize LED control */
ath_init_leds(sc);
/* initialize tx/rx engine */
error = ath_tx_init(sc, ATH_TXBUF);
if (error != 0)
goto detach;
error = ath_rx_init(sc, ATH_RXBUF);
if (error != 0)
goto detach;
return 0;
detach:
ath_detach(sc);
bad:
return error;
}
static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
void __iomem *mem;