#define VERSION "1.0"
+#define ATH3K_DNLOAD 0x01
+#define ATH3K_GETSTATE 0x05
+#define ATH3K_SET_NORMAL_MODE 0x07
+#define ATH3K_GETVERSION 0x09
+#define USB_REG_SWITCH_VID_PID 0x0a
+
+#define ATH3K_MODE_MASK 0x3F
+#define ATH3K_NORMAL_MODE 0x0E
+
+#define ATH3K_PATCH_UPDATE 0x80
+#define ATH3K_SYSCFG_UPDATE 0x40
+
+#define ATH3K_XTAL_FREQ_26M 0x00
+#define ATH3K_XTAL_FREQ_40M 0x01
+#define ATH3K_XTAL_FREQ_19P2 0x02
+#define ATH3K_NAME_LEN 0xFF
+
+struct ath3k_version {
+ unsigned int rom_version;
+ unsigned int build_version;
+ unsigned int ram_version;
+ unsigned char ref_clock;
+ unsigned char reserved[0x07];
+};
static struct usb_device_id ath3k_table[] = {
/* Atheros AR3011 */
/* Atheros AR9285 Malbec with sflash firmware */
{ USB_DEVICE(0x03F0, 0x311D) },
+ /* Atheros AR3012 with sflash firmware*/
+ { USB_DEVICE(0x0CF3, 0x3004) },
+
+ /* Atheros AR5BBU12 with sflash firmware */
+ { USB_DEVICE(0x0489, 0xE02C) },
++
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, ath3k_table);
+#define BTUSB_ATH3012 0x80
+/* This table is to load patch and sysconfig files
+ * for AR3012 */
+static struct usb_device_id ath3k_blist_tbl[] = {
+
+ /* Atheros AR3012 with sflash firmware*/
+ { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
+
+ { } /* Terminating entry */
+};
+
#define USB_REQ_DFU_DNLOAD 1
#define BULK_SIZE 4096
+#define FW_HDR_SIZE 20
static int ath3k_load_firmware(struct usb_device *udev,
const struct firmware *firmware)
return err;
}
+static int ath3k_get_state(struct usb_device *udev, unsigned char *state)
+{
+ int pipe = 0;
+
+ pipe = usb_rcvctrlpipe(udev, 0);
+ return usb_control_msg(udev, pipe, ATH3K_GETSTATE,
+ USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
+ state, 0x01, USB_CTRL_SET_TIMEOUT);
+}
+
+static int ath3k_get_version(struct usb_device *udev,
+ struct ath3k_version *version)
+{
+ int pipe = 0;
+
+ pipe = usb_rcvctrlpipe(udev, 0);
+ return usb_control_msg(udev, pipe, ATH3K_GETVERSION,
+ USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, version,
+ sizeof(struct ath3k_version),
+ USB_CTRL_SET_TIMEOUT);
+}
+
+static int ath3k_load_fwfile(struct usb_device *udev,
+ const struct firmware *firmware)
+{
+ u8 *send_buf;
+ int err, pipe, len, size, count, sent = 0;
+ int ret;
+
+ count = firmware->size;
+
+ send_buf = kmalloc(BULK_SIZE, GFP_ATOMIC);
+ if (!send_buf) {
+ BT_ERR("Can't allocate memory chunk for firmware");
+ return -ENOMEM;
+ }
+
+ size = min_t(uint, count, FW_HDR_SIZE);
+ memcpy(send_buf, firmware->data, size);
+
+ pipe = usb_sndctrlpipe(udev, 0);
+ ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
+ USB_TYPE_VENDOR, 0, 0, send_buf,
+ size, USB_CTRL_SET_TIMEOUT);
+ if (ret < 0) {
+ BT_ERR("Can't change to loading configuration err");
+ kfree(send_buf);
+ return ret;
+ }
+
+ sent += size;
+ count -= size;
+
+ while (count) {
+ size = min_t(uint, count, BULK_SIZE);
+ pipe = usb_sndbulkpipe(udev, 0x02);
+
+ memcpy(send_buf, firmware->data + sent, size);
+
+ err = usb_bulk_msg(udev, pipe, send_buf, size,
+ &len, 3000);
+ if (err || (len != size)) {
+ BT_ERR("Error in firmware loading err = %d,"
+ "len = %d, size = %d", err, len, size);
+ kfree(send_buf);
+ return err;
+ }
+ sent += size;
+ count -= size;
+ }
+
+ kfree(send_buf);
+ return 0;
+}
+
+static int ath3k_switch_pid(struct usb_device *udev)
+{
+ int pipe = 0;
+
+ pipe = usb_sndctrlpipe(udev, 0);
+ return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
+ USB_TYPE_VENDOR, 0, 0,
+ NULL, 0, USB_CTRL_SET_TIMEOUT);
+}
+
+static int ath3k_set_normal_mode(struct usb_device *udev)
+{
+ unsigned char fw_state;
+ int pipe = 0, ret;
+
+ ret = ath3k_get_state(udev, &fw_state);
+ if (ret < 0) {
+ BT_ERR("Can't get state to change to normal mode err");
+ return ret;
+ }
+
+ if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
+ BT_DBG("firmware was already in normal mode");
+ return 0;
+ }
+
+ pipe = usb_sndctrlpipe(udev, 0);
+ return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
+ USB_TYPE_VENDOR, 0, 0,
+ NULL, 0, USB_CTRL_SET_TIMEOUT);
+}
+
+static int ath3k_load_patch(struct usb_device *udev)
+{
+ unsigned char fw_state;
+ char filename[ATH3K_NAME_LEN] = {0};
+ const struct firmware *firmware;
+ struct ath3k_version fw_version, pt_version;
+ int ret;
+
+ ret = ath3k_get_state(udev, &fw_state);
+ if (ret < 0) {
+ BT_ERR("Can't get state to change to load ram patch err");
+ return ret;
+ }
+
+ if (fw_state & ATH3K_PATCH_UPDATE) {
+ BT_DBG("Patch was already downloaded");
+ return 0;
+ }
+
+ ret = ath3k_get_version(udev, &fw_version);
+ if (ret < 0) {
+ BT_ERR("Can't get version to change to load ram patch err");
+ return ret;
+ }
+
+ snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
+ fw_version.rom_version);
+
+ ret = request_firmware(&firmware, filename, &udev->dev);
+ if (ret < 0) {
+ BT_ERR("Patch file not found %s", filename);
+ return ret;
+ }
+
+ pt_version.rom_version = *(int *)(firmware->data + firmware->size - 8);
+ pt_version.build_version = *(int *)
+ (firmware->data + firmware->size - 4);
+
+ if ((pt_version.rom_version != fw_version.rom_version) ||
+ (pt_version.build_version <= fw_version.build_version)) {
+ BT_ERR("Patch file version did not match with firmware");
+ release_firmware(firmware);
+ return -EINVAL;
+ }
+
+ ret = ath3k_load_fwfile(udev, firmware);
+ release_firmware(firmware);
+
+ return ret;
+}
+
+static int ath3k_load_syscfg(struct usb_device *udev)
+{
+ unsigned char fw_state;
+ char filename[ATH3K_NAME_LEN] = {0};
+ const struct firmware *firmware;
+ struct ath3k_version fw_version;
+ int clk_value, ret;
+
+ ret = ath3k_get_state(udev, &fw_state);
+ if (ret < 0) {
+ BT_ERR("Can't get state to change to load configration err");
+ return -EBUSY;
+ }
+
+ ret = ath3k_get_version(udev, &fw_version);
+ if (ret < 0) {
+ BT_ERR("Can't get version to change to load ram patch err");
+ return ret;
+ }
+
+ switch (fw_version.ref_clock) {
+
+ case ATH3K_XTAL_FREQ_26M:
+ clk_value = 26;
+ break;
+ case ATH3K_XTAL_FREQ_40M:
+ clk_value = 40;
+ break;
+ case ATH3K_XTAL_FREQ_19P2:
+ clk_value = 19;
+ break;
+ default:
+ clk_value = 0;
+ break;
+ }
+
+ snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
+ fw_version.rom_version, clk_value, ".dfu");
+
+ ret = request_firmware(&firmware, filename, &udev->dev);
+ if (ret < 0) {
+ BT_ERR("Configuration file not found %s", filename);
+ return ret;
+ }
+
+ ret = ath3k_load_fwfile(udev, firmware);
+ release_firmware(firmware);
+
+ return ret;
+}
+
static int ath3k_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
const struct firmware *firmware;
struct usb_device *udev = interface_to_usbdev(intf);
+ int ret;
BT_DBG("intf %p id %p", intf, id);
if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
return -ENODEV;
- if (request_firmware(&firmware, "ath3k-1.fw", &udev->dev) < 0) {
- return -EIO;
+ /* match device ID in ath3k blacklist table */
+ if (!id->driver_info) {
+ const struct usb_device_id *match;
+ match = usb_match_id(intf, ath3k_blist_tbl);
+ if (match)
+ id = match;
}
- if (ath3k_load_firmware(udev, firmware)) {
- release_firmware(firmware);
+ /* load patch and sysconfig files for AR3012 */
+ if (id->driver_info & BTUSB_ATH3012) {
+ ret = ath3k_load_patch(udev);
+ if (ret < 0) {
+ BT_ERR("Loading patch file failed");
+ return ret;
+ }
+ ret = ath3k_load_syscfg(udev);
+ if (ret < 0) {
+ BT_ERR("Loading sysconfig file failed");
+ return ret;
+ }
+ ret = ath3k_set_normal_mode(udev);
+ if (ret < 0) {
+ BT_ERR("Set normal mode failed");
+ return ret;
+ }
+ ath3k_switch_pid(udev);
+ return 0;
+ }
+
+ if (request_firmware(&firmware, "ath3k-1.fw", &udev->dev) < 0) {
+ BT_ERR("Error loading firmware");
return -EIO;
}
+
+ ret = ath3k_load_firmware(udev, firmware);
release_firmware(firmware);
- return 0;
+ return ret;
}
static void ath3k_disconnect(struct usb_interface *intf)
/* Atheros AR9285 Malbec with sflash firmware */
{ USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
+ /* Atheros 3012 with sflash firmware */
+ { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_IGNORE },
+
+ /* Atheros AR5BBU12 with sflash firmware */
+ { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
+
/* Broadcom BCM2035 */
{ USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
{ USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
pipe = usb_sndisocpipe(data->udev,
data->isoc_tx_ep->bEndpointAddress);
- urb->dev = data->udev;
- urb->pipe = pipe;
- urb->context = skb;
- urb->complete = btusb_isoc_tx_complete;
- urb->interval = data->isoc_tx_ep->bInterval;
+ usb_fill_int_urb(urb, data->udev, pipe,
+ skb->data, skb->len, btusb_isoc_tx_complete,
+ skb, data->isoc_tx_ep->bInterval);
urb->transfer_flags = URB_ISO_ASAP;
- urb->transfer_buffer = skb->data;
- urb->transfer_buffer_length = skb->len;
__fill_isoc_descriptor(urb, skb->len,
le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
if (hdev->conn_hash.sco_num > 0) {
if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
- err = usb_autopm_get_interface(data->isoc);
+ err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
if (err < 0) {
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
usb_kill_anchored_urbs(&data->isoc_anchor);
__set_isoc_interface(hdev, 0);
if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
- usb_autopm_put_interface(data->isoc);
+ usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
}
}
return 0;
}
+/*
+ * Wait for synth to settle
+ */
+static void ath5k_hw_wait_for_synth(struct ath5k_hw *ah,
+ struct ieee80211_channel *channel)
+{
+ /*
+ * On 5211+ read activation -> rx delay
+ * and use it (100ns steps).
+ */
+ if (ah->ah_version != AR5K_AR5210) {
+ u32 delay;
+ delay = ath5k_hw_reg_read(ah, AR5K_PHY_RX_DELAY) &
+ AR5K_PHY_RX_DELAY_M;
+ delay = (channel->hw_value & CHANNEL_CCK) ?
+ ((delay << 2) / 22) : (delay / 10);
+ if (ah->ah_bwmode == AR5K_BWMODE_10MHZ)
+ delay = delay << 1;
+ if (ah->ah_bwmode == AR5K_BWMODE_5MHZ)
+ delay = delay << 2;
+ /* XXX: /2 on turbo ? Let's be safe
+ * for now */
+ udelay(100 + delay);
+ } else {
+ mdelay(1);
+ }
+}
+
/**********************\
* RF Gain optimization *
case AR5K_RF5111:
ret = ath5k_hw_rf5111_channel(ah, channel);
break;
+ case AR5K_RF2317:
case AR5K_RF2425:
ret = ath5k_hw_rf2425_channel(ah, channel);
break;
/* Failed */
if (i >= 100)
return -EIO;
+
+ /* Set channel and wait for synth */
+ ret = ath5k_hw_channel(ah, channel);
+ if (ret)
+ return ret;
+
+ ath5k_hw_wait_for_synth(ah, channel);
}
/*
if (ret)
return ret;
+ /* Write OFDM timings on 5212*/
+ if (ah->ah_version == AR5K_AR5212 &&
+ channel->hw_value & CHANNEL_OFDM) {
+
+ ret = ath5k_hw_write_ofdm_timings(ah, channel);
+ if (ret)
+ return ret;
+
+ /* Spur info is available only from EEPROM versions
+ * greater than 5.3, but the EEPROM routines will use
+ * static values for older versions */
+ if (ah->ah_mac_srev >= AR5K_SREV_AR5424)
+ ath5k_hw_set_spur_mitigation_filter(ah,
+ channel);
+ }
+
+ /* If we used fast channel switching
+ * we are done, release RF bus and
+ * fire up NF calibration.
+ *
+ * Note: Only NF calibration due to
+ * channel change, not AGC calibration
+ * since AGC is still running !
+ */
+ if (fast) {
+ /*
+ * Release RF Bus grant
+ */
+ AR5K_REG_DISABLE_BITS(ah, AR5K_PHY_RFBUS_REQ,
+ AR5K_PHY_RFBUS_REQ_REQUEST);
+
+ /*
+ * Start NF calibration
+ */
+ AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL,
+ AR5K_PHY_AGCCTL_NF);
+
+ return ret;
+ }
+
/*
* For 5210 we do all initialization using
* initvals, so we don't have to modify
* any settings (5210 also only supports
* a/aturbo modes)
*/
- if ((ah->ah_version != AR5K_AR5210) && !fast) {
+ if (ah->ah_version != AR5K_AR5210) {
/*
* Write initial RF gain settings
if (ret)
return ret;
- /* Write OFDM timings on 5212*/
- if (ah->ah_version == AR5K_AR5212 &&
- channel->hw_value & CHANNEL_OFDM) {
-
- ret = ath5k_hw_write_ofdm_timings(ah, channel);
- if (ret)
- return ret;
-
- /* Spur info is available only from EEPROM versions
- * greater than 5.3, but the EEPROM routines will use
- * static values for older versions */
- if (ah->ah_mac_srev >= AR5K_SREV_AR5424)
- ath5k_hw_set_spur_mitigation_filter(ah,
- channel);
- }
-
/*Enable/disable 802.11b mode on 5111
(enable 2111 frequency converter + CCK)*/
if (ah->ah_radio == AR5K_RF5111) {
*/
ath5k_hw_reg_write(ah, AR5K_PHY_ACT_ENABLE, AR5K_PHY_ACT);
+ ath5k_hw_wait_for_synth(ah, channel);
+
/*
- * On 5211+ read activation -> rx delay
- * and use it.
+ * Perform ADC test to see if baseband is ready
+ * Set tx hold and check adc test register
*/
- if (ah->ah_version != AR5K_AR5210) {
- u32 delay;
- delay = ath5k_hw_reg_read(ah, AR5K_PHY_RX_DELAY) &
- AR5K_PHY_RX_DELAY_M;
- delay = (channel->hw_value & CHANNEL_CCK) ?
- ((delay << 2) / 22) : (delay / 10);
- if (ah->ah_bwmode == AR5K_BWMODE_10MHZ)
- delay = delay << 1;
- if (ah->ah_bwmode == AR5K_BWMODE_5MHZ)
- delay = delay << 2;
- /* XXX: /2 on turbo ? Let's be safe
- * for now */
- udelay(100 + delay);
- } else {
- mdelay(1);
- }
-
- if (fast)
- /*
- * Release RF Bus grant
- */
- AR5K_REG_DISABLE_BITS(ah, AR5K_PHY_RFBUS_REQ,
- AR5K_PHY_RFBUS_REQ_REQUEST);
- else {
- /*
- * Perform ADC test to see if baseband is ready
- * Set tx hold and check adc test register
- */
- phy_tst1 = ath5k_hw_reg_read(ah, AR5K_PHY_TST1);
- ath5k_hw_reg_write(ah, AR5K_PHY_TST1_TXHOLD, AR5K_PHY_TST1);
- for (i = 0; i <= 20; i++) {
- if (!(ath5k_hw_reg_read(ah, AR5K_PHY_ADC_TEST) & 0x10))
- break;
- udelay(200);
- }
- ath5k_hw_reg_write(ah, phy_tst1, AR5K_PHY_TST1);
+ phy_tst1 = ath5k_hw_reg_read(ah, AR5K_PHY_TST1);
+ ath5k_hw_reg_write(ah, AR5K_PHY_TST1_TXHOLD, AR5K_PHY_TST1);
+ for (i = 0; i <= 20; i++) {
+ if (!(ath5k_hw_reg_read(ah, AR5K_PHY_ADC_TEST) & 0x10))
+ break;
+ udelay(200);
}
+ ath5k_hw_reg_write(ah, phy_tst1, AR5K_PHY_TST1);
/*
* Start automatic gain control calibration
#include <linux/device.h>
#include <linux/leds.h>
#include <linux/completion.h>
- #include <linux/pm_qos_params.h>
#include "debug.h"
#include "common.h"
#define A_MAX(a, b) ((a) > (b) ? (a) : (b))
- #define ATH9K_PM_QOS_DEFAULT_VALUE 55
-
#define TSF_TO_TU(_h,_l) \
((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
* @BUF_XRETRY: To denote excessive retries of the buffer
*/
enum buffer_type {
- BUF_AMPDU = BIT(2),
- BUF_AGGR = BIT(3),
- BUF_XRETRY = BIT(5),
+ BUF_AMPDU = BIT(0),
+ BUF_AGGR = BIT(1),
+ BUF_XRETRY = BIT(2),
};
#define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU)
(((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI : \
WME_AC_VO)
-#define ADDBA_EXCHANGE_ATTEMPTS 10
#define ATH_AGGR_DELIM_SZ 4
#define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */
/* number of delimiters for encryption padding */
#define ATH_TXFIFO_DEPTH 8
struct ath_txq {
- u32 axq_qnum;
+ int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */
+ u32 axq_qnum; /* ath9k hardware queue number */
u32 *axq_link;
struct list_head axq_q;
spinlock_t axq_lock;
struct ath_buf_state {
u8 bf_type;
u8 bfs_paprd;
+ unsigned long bfs_paprd_timestamp;
enum ath9k_internal_frame_type bfs_ftype;
};
bool bf_stale;
u16 bf_flags;
struct ath_buf_state bf_state;
- struct ath_wiphy *aphy;
};
struct ath_atx_tid {
};
struct ath_node {
- struct ath_common *common;
+#ifdef CONFIG_ATH9K_DEBUGFS
+ struct list_head list; /* for sc->nodes */
+ struct ieee80211_sta *sta; /* station struct we're part of */
+#endif
struct ath_atx_tid tid[WME_NUM_TID];
struct ath_atx_ac ac[WME_NUM_AC];
u16 maxampdu;
#define ATH_TX_XRETRY 0x02
#define ATH_TX_BAR 0x04
+/**
+ * @txq_map: Index is mac80211 queue number. This is
+ * not necessarily the same as the hardware queue number
+ * (axq_qnum).
+ */
struct ath_tx {
u16 seq_no;
u32 txqsetup;
struct ath_descdma rxdma;
struct ath_buf *rx_bufptr;
struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX];
+
+ struct sk_buff *frag;
};
int ath_startrecv(struct ath_softc *sc);
struct ath_vif {
int av_bslot;
+ bool is_bslot_active;
__le64 tsf_adjust; /* TSF adjustment for staggered beacons */
enum nl80211_iftype av_opmode;
struct ath_buf *av_bcbuf;
- struct ath_tx_control av_btxctl;
u8 bssid[ETH_ALEN]; /* current BSSID from config_interface */
};
#define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
struct ath_beacon_config {
- u16 beacon_interval;
+ int beacon_interval;
u16 listen_interval;
u16 dtim_period;
u16 bmiss_timeout;
u32 ast_be_xmit;
u64 bc_tstamp;
struct ieee80211_vif *bslot[ATH_BCBUF];
- struct ath_wiphy *bslot_aphy[ATH_BCBUF];
int slottime;
int slotupdate;
struct ath9k_tx_queue_info beacon_qi;
void ath_beacon_tasklet(unsigned long data);
void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif);
-int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif);
+int ath_beacon_alloc(struct ath_softc *sc, struct ieee80211_vif *vif);
void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp);
int ath_beaconq_config(struct ath_softc *sc);
+void ath9k_set_beaconing_status(struct ath_softc *sc, bool status);
/*******/
/* ANI */
#define ATH_CABQ_READY_TIME 80 /* % of beacon interval */
#define ATH_MAX_SW_RETRIES 10
#define ATH_CHAN_MAX 255
-#define IEEE80211_WEP_NKID 4 /* number of key ids */
#define ATH_TXPOWER_MAX 100 /* .5 dBm units */
#define ATH_RATE_DUMMY_MARKER 0
#define PS_WAIT_FOR_TX_ACK BIT(3)
#define PS_BEACON_SYNC BIT(4)
-struct ath_wiphy;
struct ath_rate_table;
+struct ath9k_vif_iter_data {
+ const u8 *hw_macaddr; /* phy's hardware address, set
+ * before starting iteration for
+ * valid bssid mask.
+ */
+ u8 mask[ETH_ALEN]; /* bssid mask */
+ int naps; /* number of AP vifs */
+ int nmeshes; /* number of mesh vifs */
+ int nstations; /* number of station vifs */
+ int nwds; /* number of nwd vifs */
+ int nadhocs; /* number of adhoc vifs */
+ int nothers; /* number of vifs not specified above. */
+};
+
struct ath_softc {
struct ieee80211_hw *hw;
struct device *dev;
- spinlock_t wiphy_lock; /* spinlock to protect ath_wiphy data */
- struct ath_wiphy *pri_wiphy;
- struct ath_wiphy **sec_wiphy; /* secondary wiphys (virtual radios); may
- * have NULL entries */
- int num_sec_wiphy; /* number of sec_wiphy pointers in the array */
int chan_idx;
int chan_is_ht;
- struct ath_wiphy *next_wiphy;
- struct work_struct chan_work;
- int wiphy_select_failures;
- unsigned long wiphy_select_first_fail;
- struct delayed_work wiphy_work;
- unsigned long wiphy_scheduler_int;
- int wiphy_scheduler_index;
struct survey_info *cur_survey;
struct survey_info survey[ATH9K_NUM_CHANNELS];
struct work_struct paprd_work;
struct work_struct hw_check_work;
struct completion paprd_complete;
- bool paprd_pending;
+ unsigned int hw_busy_count;
+
u32 intrstatus;
u32 sc_flags; /* SC_OP_* */
u16 ps_flags; /* PS_* */
u16 curtxpow;
- u8 nbcnvifs;
- u16 nvifs;
bool ps_enabled;
bool ps_idle;
+ short nbcnvifs;
+ short nvifs;
unsigned long ps_usecount;
struct ath_config config;
int led_on_cnt;
int led_off_cnt;
- int beacon_interval;
+ struct ath9k_hw_cal_data caldata;
+ int last_rssi;
#ifdef CONFIG_ATH9K_DEBUGFS
struct ath9k_debug debug;
+ spinlock_t nodes_lock;
+ struct list_head nodes; /* basically, stations */
+ unsigned int tx_complete_poll_work_seen;
#endif
struct ath_beacon_config cur_beacon_conf;
struct delayed_work tx_complete_work;
+ struct delayed_work hw_pll_work;
struct ath_btcoex btcoex;
struct ath_descdma txsdma;
struct ath_ant_comb ant_comb;
-
- struct pm_qos_request_list pm_qos_req;
};
-struct ath_wiphy {
- struct ath_softc *sc; /* shared for all virtual wiphys */
- struct ieee80211_hw *hw;
- struct ath9k_hw_cal_data caldata;
- enum ath_wiphy_state {
- ATH_WIPHY_INACTIVE,
- ATH_WIPHY_ACTIVE,
- ATH_WIPHY_PAUSING,
- ATH_WIPHY_PAUSED,
- ATH_WIPHY_SCAN,
- } state;
- bool idle;
- int chan_idx;
- int chan_is_ht;
- int last_rssi;
-};
-
void ath9k_tasklet(unsigned long data);
int ath_reset(struct ath_softc *sc, bool retry_tx);
int ath_cabq_update(struct ath_softc *);
extern struct ieee80211_ops ath9k_ops;
extern int ath9k_modparam_nohwcrypt;
extern int led_blink;
- extern int ath9k_pm_qos_value;
extern bool is_ath9k_unloaded;
irqreturn_t ath_isr(int irq, void *dev);
const struct ath_bus_ops *bus_ops);
void ath9k_deinit_device(struct ath_softc *sc);
void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
-void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
- struct ath9k_channel *ichan);
int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
struct ath9k_channel *hchan);
void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw);
void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw);
bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode);
+bool ath9k_uses_beacons(int type);
#ifdef CONFIG_PCI
int ath_pci_init(void);
u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate);
void ath9k_set_bssid_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
-int ath9k_wiphy_add(struct ath_softc *sc);
-int ath9k_wiphy_del(struct ath_wiphy *aphy);
-void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, int ftype);
-int ath9k_wiphy_pause(struct ath_wiphy *aphy);
-int ath9k_wiphy_unpause(struct ath_wiphy *aphy);
-int ath9k_wiphy_select(struct ath_wiphy *aphy);
-void ath9k_wiphy_set_scheduler(struct ath_softc *sc, unsigned int msec_int);
-void ath9k_wiphy_chan_work(struct work_struct *work);
-bool ath9k_wiphy_started(struct ath_softc *sc);
-void ath9k_wiphy_pause_all_forced(struct ath_softc *sc,
- struct ath_wiphy *selected);
-bool ath9k_wiphy_scanning(struct ath_softc *sc);
-void ath9k_wiphy_work(struct work_struct *work);
-bool ath9k_all_wiphys_idle(struct ath_softc *sc);
-void ath9k_set_wiphy_idle(struct ath_wiphy *aphy, bool idle);
-
-void ath_mac80211_stop_queue(struct ath_softc *sc, u16 skb_queue);
-bool ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue);
void ath_start_rfkill_poll(struct ath_softc *sc);
extern void ath9k_rfkill_poll_state(struct ieee80211_hw *hw);
+void ath9k_calculate_iter_data(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ath9k_vif_iter_data *iter_data);
+
#endif /* ATH9K_H */
module_param_named(btcoex_enable, ath9k_btcoex_enable, int, 0444);
MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence");
- int ath9k_pm_qos_value = ATH9K_PM_QOS_DEFAULT_VALUE;
- module_param_named(pmqos, ath9k_pm_qos_value, int, S_IRUSR | S_IRGRP | S_IROTH);
- MODULE_PARM_DESC(pmqos, "User specified PM-QOS value");
-
bool is_ath9k_unloaded;
/* We use the hw_value as an index into our private channel structure */
struct regulatory_request *request)
{
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
struct ath_regulatory *reg = ath9k_hw_regulatory(sc->sc_ah);
return ath_reg_notifier_apply(wiphy, request, reg);
sc->config.cabqReadytime = ATH_CABQ_READY_TIME;
ath_cabq_update(sc);
- for (i = 0; i < WME_NUM_AC; i++)
+ for (i = 0; i < WME_NUM_AC; i++) {
sc->tx.txq_map[i] = ath_txq_setup(sc, ATH9K_TX_QUEUE_DATA, i);
-
+ sc->tx.txq_map[i]->mac80211_qnum = i;
+ }
return 0;
}
sc->beacon.slottime = ATH9K_SLOT_TIME_9;
- for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) {
+ for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++)
sc->beacon.bslot[i] = NULL;
- sc->beacon.bslot_aphy[i] = NULL;
- }
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)
sc->ant_comb.count = ATH_ANT_DIV_COMB_INIT_COUNT;
if (!ah)
return -ENOMEM;
+ ah->hw = sc->hw;
ah->hw_version.devid = devid;
ah->hw_version.subsysid = subsysid;
sc->sc_ah = ah;
common->btcoex_enabled = ath9k_btcoex_enable == 1;
spin_lock_init(&common->cc_lock);
- spin_lock_init(&sc->wiphy_lock);
spin_lock_init(&sc->sc_serial_rw);
spin_lock_init(&sc->sc_pm_lock);
mutex_init(&sc->mutex);
+#ifdef CONFIG_ATH9K_DEBUGFS
+ spin_lock_init(&sc->nodes_lock);
+ INIT_LIST_HEAD(&sc->nodes);
+#endif
tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,
(unsigned long)sc);
const struct ath_bus_ops *bus_ops)
{
struct ieee80211_hw *hw = sc->hw;
- struct ath_wiphy *aphy = hw->priv;
struct ath_common *common;
struct ath_hw *ah;
int error = 0;
INIT_WORK(&sc->hw_check_work, ath_hw_check);
INIT_WORK(&sc->paprd_work, ath_paprd_calibrate);
- INIT_WORK(&sc->chan_work, ath9k_wiphy_chan_work);
- INIT_DELAYED_WORK(&sc->wiphy_work, ath9k_wiphy_work);
- sc->wiphy_scheduler_int = msecs_to_jiffies(500);
- aphy->last_rssi = ATH_RSSI_DUMMY_MARKER;
+ sc->last_rssi = ATH_RSSI_DUMMY_MARKER;
ath_init_leds(sc);
ath_start_rfkill_poll(sc);
- pm_qos_add_request(&sc->pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
- PM_QOS_DEFAULT_VALUE);
-
return 0;
error_world:
void ath9k_deinit_device(struct ath_softc *sc)
{
struct ieee80211_hw *hw = sc->hw;
- int i = 0;
ath9k_ps_wakeup(sc);
ath9k_ps_restore(sc);
- for (i = 0; i < sc->num_sec_wiphy; i++) {
- struct ath_wiphy *aphy = sc->sec_wiphy[i];
- if (aphy == NULL)
- continue;
- sc->sec_wiphy[i] = NULL;
- ieee80211_unregister_hw(aphy->hw);
- ieee80211_free_hw(aphy->hw);
- }
-
ieee80211_unregister_hw(hw);
- pm_qos_remove_request(&sc->pm_qos_req);
ath_rx_cleanup(sc);
ath_tx_cleanup(sc);
ath9k_deinit_softc(sc);
- kfree(sc->sec_wiphy);
}
void ath_descdma_cleanup(struct ath_softc *sc,
#include "ath9k.h"
#include "btcoex.h"
-static void ath_update_txpow(struct ath_softc *sc)
-{
- struct ath_hw *ah = sc->sc_ah;
-
- if (sc->curtxpow != sc->config.txpowlimit) {
- ath9k_hw_set_txpowerlimit(ah, sc->config.txpowlimit, false);
- /* read back in case value is clamped */
- sc->curtxpow = ath9k_hw_regulatory(ah)->power_limit;
- }
-}
-
static u8 parse_mpdudensity(u8 mpdudensity)
{
/*
}
}
-static struct ath9k_channel *ath_get_curchannel(struct ath_softc *sc,
- struct ieee80211_hw *hw)
-{
- struct ieee80211_channel *curchan = hw->conf.channel;
- struct ath9k_channel *channel;
- u8 chan_idx;
-
- chan_idx = curchan->hw_value;
- channel = &sc->sc_ah->channels[chan_idx];
- ath9k_update_ichannel(sc, hw, channel);
- return channel;
-}
-
bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode)
{
unsigned long flags;
}
}
-static void ath_update_survey_stats(struct ath_softc *sc)
+/*
+ * Updates the survey statistics and returns the busy time since last
+ * update in %, if the measurement duration was long enough for the
+ * result to be useful, -1 otherwise.
+ */
+static int ath_update_survey_stats(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
struct survey_info *survey = &sc->survey[pos];
struct ath_cycle_counters *cc = &common->cc_survey;
unsigned int div = common->clockrate * 1000;
+ int ret = 0;
if (!ah->curchan)
- return;
+ return -1;
if (ah->power_mode == ATH9K_PM_AWAKE)
ath_hw_cycle_counters_update(common);
survey->channel_time_rx += cc->rx_frame / div;
survey->channel_time_tx += cc->tx_frame / div;
}
+
+ if (cc->cycles < div)
+ return -1;
+
+ if (cc->cycles > 0)
+ ret = cc->rx_busy * 100 / cc->cycles;
+
memset(cc, 0, sizeof(*cc));
ath_update_survey_nf(sc, pos);
+
+ return ret;
}
/*
int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
struct ath9k_channel *hchan)
{
- struct ath_wiphy *aphy = hw->priv;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_conf *conf = &common->hw->conf;
if (sc->sc_flags & SC_OP_INVALID)
return -EIO;
+ sc->hw_busy_count = 0;
+
del_timer_sync(&common->ani.timer);
cancel_work_sync(&sc->paprd_work);
cancel_work_sync(&sc->hw_check_work);
cancel_delayed_work_sync(&sc->tx_complete_work);
+ cancel_delayed_work_sync(&sc->hw_pll_work);
ath9k_ps_wakeup(sc);
if (!ath_stoprecv(sc))
stopped = false;
+ if (!ath9k_hw_check_alive(ah))
+ stopped = false;
+
/* XXX: do not flush receive queue here. We don't want
* to flush data frames already in queue because of
* changing channel. */
fastcc = false;
if (!(sc->sc_flags & SC_OP_OFFCHANNEL))
- caldata = &aphy->caldata;
+ caldata = &sc->caldata;
ath_dbg(common, ATH_DBG_CONFIG,
"(%u MHz) -> (%u MHz), conf_is_ht40: %d fastcc: %d\n",
goto ps_restore;
}
- ath_update_txpow(sc);
+ ath9k_cmn_update_txpow(ah, sc->curtxpow,
+ sc->config.txpowlimit, &sc->curtxpow);
ath9k_hw_set_interrupts(ah, ah->imask);
if (!(sc->sc_flags & (SC_OP_OFFCHANNEL))) {
if (sc->sc_flags & SC_OP_BEACONS)
ath_beacon_config(sc, NULL);
ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
+ ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/2);
ath_start_ani(common);
}
ps_restore:
+ ieee80211_wake_queues(hw);
+
spin_unlock_bh(&sc->sc_pcu_lock);
ath9k_ps_restore(sc);
tx_info->control.rates[1].idx = -1;
init_completion(&sc->paprd_complete);
- sc->paprd_pending = true;
txctl.paprd = BIT(chain);
if (ath_tx_start(hw, skb, &txctl) != 0) {
time_left = wait_for_completion_timeout(&sc->paprd_complete,
msecs_to_jiffies(ATH_PAPRD_TIMEOUT));
- sc->paprd_pending = false;
if (!time_left)
ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_CALIBRATE,
struct ath_hw *ah = sc->sc_ah;
an = (struct ath_node *)sta->drv_priv;
+#ifdef CONFIG_ATH9K_DEBUGFS
+ spin_lock(&sc->nodes_lock);
+ list_add(&an->list, &sc->nodes);
+ spin_unlock(&sc->nodes_lock);
+ an->sta = sta;
+#endif
if ((ah->caps.hw_caps) & ATH9K_HW_CAP_APM)
sc->sc_flags |= SC_OP_ENABLE_APM;
{
struct ath_node *an = (struct ath_node *)sta->drv_priv;
+#ifdef CONFIG_ATH9K_DEBUGFS
+ spin_lock(&sc->nodes_lock);
+ list_del(&an->list);
+ spin_unlock(&sc->nodes_lock);
+ an->sta = NULL;
+#endif
+
if (sc->sc_flags & SC_OP_TXAGGR)
ath_tx_node_cleanup(sc, an);
}
void ath_hw_check(struct work_struct *work)
{
struct ath_softc *sc = container_of(work, struct ath_softc, hw_check_work);
- int i;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ unsigned long flags;
+ int busy;
ath9k_ps_wakeup(sc);
+ if (ath9k_hw_check_alive(sc->sc_ah))
+ goto out;
- for (i = 0; i < 3; i++) {
- if (ath9k_hw_check_alive(sc->sc_ah))
- goto out;
+ spin_lock_irqsave(&common->cc_lock, flags);
+ busy = ath_update_survey_stats(sc);
+ spin_unlock_irqrestore(&common->cc_lock, flags);
- msleep(1);
- }
- ath_reset(sc, true);
+ ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, "
+ "busy=%d (try %d)\n", busy, sc->hw_busy_count + 1);
+ if (busy >= 99) {
+ if (++sc->hw_busy_count >= 3)
+ ath_reset(sc, true);
+ } else if (busy >= 0)
+ sc->hw_busy_count = 0;
out:
ath9k_ps_restore(sc);
ath9k_ps_wakeup(sc);
spin_lock(&sc->sc_pcu_lock);
- if (!ath9k_hw_check_alive(ah))
+ /*
+ * Only run the baseband hang check if beacons stop working in AP or
+ * IBSS mode, because it has a high false positive rate. For station
+ * mode it should not be necessary, since the upper layers will detect
+ * this through a beacon miss automatically and the following channel
+ * change will trigger a hardware reset anyway
+ */
+ if (ath9k_hw_numtxpending(ah, sc->beacon.beaconq) != 0 &&
+ !ath9k_hw_check_alive(ah))
ieee80211_queue_work(sc->hw, &sc->hw_check_work);
if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
#undef SCHED_INTR
}
-static u32 ath_get_extchanmode(struct ath_softc *sc,
- struct ieee80211_channel *chan,
- enum nl80211_channel_type channel_type)
-{
- u32 chanmode = 0;
-
- switch (chan->band) {
- case IEEE80211_BAND_2GHZ:
- switch(channel_type) {
- case NL80211_CHAN_NO_HT:
- case NL80211_CHAN_HT20:
- chanmode = CHANNEL_G_HT20;
- break;
- case NL80211_CHAN_HT40PLUS:
- chanmode = CHANNEL_G_HT40PLUS;
- break;
- case NL80211_CHAN_HT40MINUS:
- chanmode = CHANNEL_G_HT40MINUS;
- break;
- }
- break;
- case IEEE80211_BAND_5GHZ:
- switch(channel_type) {
- case NL80211_CHAN_NO_HT:
- case NL80211_CHAN_HT20:
- chanmode = CHANNEL_A_HT20;
- break;
- case NL80211_CHAN_HT40PLUS:
- chanmode = CHANNEL_A_HT40PLUS;
- break;
- case NL80211_CHAN_HT40MINUS:
- chanmode = CHANNEL_A_HT40MINUS;
- break;
- }
- break;
- default:
- break;
- }
-
- return chanmode;
-}
-
static void ath9k_bss_assoc_info(struct ath_softc *sc,
struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf)
{
- struct ath_wiphy *aphy = hw->priv;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
ath_beacon_config(sc, vif);
/* Reset rssi stats */
- aphy->last_rssi = ATH_RSSI_DUMMY_MARKER;
+ sc->last_rssi = ATH_RSSI_DUMMY_MARKER;
sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;
sc->sc_flags |= SC_OP_ANI_RUN;
ath9k_hw_configpcipowersave(ah, 0, 0);
if (!ah->curchan)
- ah->curchan = ath_get_curchannel(sc, sc->hw);
+ ah->curchan = ath9k_cmn_get_curchannel(sc->hw, ah);
r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
if (r) {
channel->center_freq, r);
}
- ath_update_txpow(sc);
+ ath9k_cmn_update_txpow(ah, sc->curtxpow,
+ sc->config.txpowlimit, &sc->curtxpow);
if (ath_startrecv(sc) != 0) {
ath_err(common, "Unable to restart recv logic\n");
goto out;
ath_flushrecv(sc); /* flush recv queue */
if (!ah->curchan)
- ah->curchan = ath_get_curchannel(sc, hw);
+ ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
if (r) {
struct ieee80211_hw *hw = sc->hw;
int r;
+ sc->hw_busy_count = 0;
+
/* Stop ANI */
del_timer_sync(&common->ani.timer);
* that changes the channel so update any state that
* might change as a result.
*/
- ath_update_txpow(sc);
+ ath9k_cmn_update_txpow(ah, sc->curtxpow,
+ sc->config.txpowlimit, &sc->curtxpow);
if ((sc->sc_flags & SC_OP_BEACONS) || !(sc->sc_flags & (SC_OP_OFFCHANNEL)))
ath_beacon_config(sc, NULL); /* restart beacons */
return r;
}
-/* XXX: Remove me once we don't depend on ath9k_channel for all
- * this redundant data */
-void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
- struct ath9k_channel *ichan)
-{
- struct ieee80211_channel *chan = hw->conf.channel;
- struct ieee80211_conf *conf = &hw->conf;
-
- ichan->channel = chan->center_freq;
- ichan->chan = chan;
-
- if (chan->band == IEEE80211_BAND_2GHZ) {
- ichan->chanmode = CHANNEL_G;
- ichan->channelFlags = CHANNEL_2GHZ | CHANNEL_OFDM | CHANNEL_G;
- } else {
- ichan->chanmode = CHANNEL_A;
- ichan->channelFlags = CHANNEL_5GHZ | CHANNEL_OFDM;
- }
-
- if (conf_is_ht(conf))
- ichan->chanmode = ath_get_extchanmode(sc, chan,
- conf->channel_type);
-}
-
/**********************/
/* mac80211 callbacks */
/**********************/
static int ath9k_start(struct ieee80211_hw *hw)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_channel *curchan = hw->conf.channel;
mutex_lock(&sc->mutex);
- if (ath9k_wiphy_started(sc)) {
- if (sc->chan_idx == curchan->hw_value) {
- /*
- * Already on the operational channel, the new wiphy
- * can be marked active.
- */
- aphy->state = ATH_WIPHY_ACTIVE;
- ieee80211_wake_queues(hw);
- } else {
- /*
- * Another wiphy is on another channel, start the new
- * wiphy in paused state.
- */
- aphy->state = ATH_WIPHY_PAUSED;
- ieee80211_stop_queues(hw);
- }
- mutex_unlock(&sc->mutex);
- return 0;
- }
- aphy->state = ATH_WIPHY_ACTIVE;
-
/* setup initial channel */
-
sc->chan_idx = curchan->hw_value;
- init_channel = ath_get_curchannel(sc, hw);
+ init_channel = ath9k_cmn_get_curchannel(hw, ah);
/* Reset SERDES registers */
ath9k_hw_configpcipowersave(ah, 0, 0);
* This is needed only to setup initial state
* but it's best done after a reset.
*/
- ath_update_txpow(sc);
+ ath9k_cmn_update_txpow(ah, sc->curtxpow,
+ sc->config.txpowlimit, &sc->curtxpow);
/*
* Setup the hardware after reset:
ath9k_btcoex_timer_resume(sc);
}
- /* User has the option to provide pm-qos value as a module
- * parameter rather than using the default value of
- * 'ATH9K_PM_QOS_DEFAULT_VALUE'.
- */
- pm_qos_update_request(&sc->pm_qos_req, ath9k_pm_qos_value);
-
if (ah->caps.pcie_lcr_extsync_en && common->bus_ops->extn_synch_en)
common->bus_ops->extn_synch_en(common);
static int ath9k_tx(struct ieee80211_hw *hw,
struct sk_buff *skb)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_tx_control txctl;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- if (aphy->state != ATH_WIPHY_ACTIVE && aphy->state != ATH_WIPHY_SCAN) {
- ath_dbg(common, ATH_DBG_XMIT,
- "ath9k: %s: TX in unexpected wiphy state %d\n",
- wiphy_name(hw->wiphy), aphy->state);
- goto exit;
- }
-
if (sc->ps_enabled) {
/*
* mac80211 does not set PM field for normal data frames, so we
static void ath9k_stop(struct ieee80211_hw *hw)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
- int i;
mutex_lock(&sc->mutex);
- aphy->state = ATH_WIPHY_INACTIVE;
-
if (led_blink)
cancel_delayed_work_sync(&sc->ath_led_blink_work);
cancel_delayed_work_sync(&sc->tx_complete_work);
+ cancel_delayed_work_sync(&sc->hw_pll_work);
cancel_work_sync(&sc->paprd_work);
cancel_work_sync(&sc->hw_check_work);
- for (i = 0; i < sc->num_sec_wiphy; i++) {
- if (sc->sec_wiphy[i])
- break;
- }
-
- if (i == sc->num_sec_wiphy) {
- cancel_delayed_work_sync(&sc->wiphy_work);
- cancel_work_sync(&sc->chan_work);
- }
-
if (sc->sc_flags & SC_OP_INVALID) {
ath_dbg(common, ATH_DBG_ANY, "Device not present\n");
mutex_unlock(&sc->mutex);
return;
}
- if (ath9k_wiphy_started(sc)) {
- mutex_unlock(&sc->mutex);
- return; /* another wiphy still in use */
- }
-
/* Ensure HW is awake when we try to shut it down. */
ath9k_ps_wakeup(sc);
} else
sc->rx.rxlink = NULL;
+ if (sc->rx.frag) {
+ dev_kfree_skb_any(sc->rx.frag);
+ sc->rx.frag = NULL;
+ }
+
/* disable HAL and put h/w to sleep */
ath9k_hw_disable(ah);
ath9k_hw_configpcipowersave(ah, 1, 1);
ath9k_ps_restore(sc);
sc->ps_idle = true;
- ath9k_set_wiphy_idle(aphy, true);
ath_radio_disable(sc, hw);
sc->sc_flags |= SC_OP_INVALID;
- pm_qos_update_request(&sc->pm_qos_req, PM_QOS_DEFAULT_VALUE);
-
mutex_unlock(&sc->mutex);
ath_dbg(common, ATH_DBG_CONFIG, "Driver halt\n");
}
-static int ath9k_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif)
+bool ath9k_uses_beacons(int type)
+{
+ switch (type) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_MESH_POINT:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static void ath9k_reclaim_beacon(struct ath_softc *sc,
+ struct ieee80211_vif *vif)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
- struct ath_hw *ah = sc->sc_ah;
- struct ath_common *common = ath9k_hw_common(ah);
struct ath_vif *avp = (void *)vif->drv_priv;
- enum nl80211_iftype ic_opmode = NL80211_IFTYPE_UNSPECIFIED;
- int ret = 0;
- mutex_lock(&sc->mutex);
+ ath9k_set_beaconing_status(sc, false);
+ ath_beacon_return(sc, avp);
+ ath9k_set_beaconing_status(sc, true);
+ sc->sc_flags &= ~SC_OP_BEACONS;
+}
+
+static void ath9k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
+{
+ struct ath9k_vif_iter_data *iter_data = data;
+ int i;
+
+ if (iter_data->hw_macaddr)
+ for (i = 0; i < ETH_ALEN; i++)
+ iter_data->mask[i] &=
+ ~(iter_data->hw_macaddr[i] ^ mac[i]);
switch (vif->type) {
- case NL80211_IFTYPE_STATION:
- ic_opmode = NL80211_IFTYPE_STATION;
+ case NL80211_IFTYPE_AP:
+ iter_data->naps++;
break;
- case NL80211_IFTYPE_WDS:
- ic_opmode = NL80211_IFTYPE_WDS;
+ case NL80211_IFTYPE_STATION:
+ iter_data->nstations++;
break;
case NL80211_IFTYPE_ADHOC:
- case NL80211_IFTYPE_AP:
+ iter_data->nadhocs++;
+ break;
case NL80211_IFTYPE_MESH_POINT:
- if (sc->nbcnvifs >= ATH_BCBUF) {
- ret = -ENOBUFS;
- goto out;
- }
- ic_opmode = vif->type;
+ iter_data->nmeshes++;
+ break;
+ case NL80211_IFTYPE_WDS:
+ iter_data->nwds++;
break;
default:
- ath_err(common, "Interface type %d not yet supported\n",
- vif->type);
- ret = -EOPNOTSUPP;
- goto out;
+ iter_data->nothers++;
+ break;
}
+}
- ath_dbg(common, ATH_DBG_CONFIG,
- "Attach a VIF of type: %d\n", ic_opmode);
+/* Called with sc->mutex held. */
+void ath9k_calculate_iter_data(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ath9k_vif_iter_data *iter_data)
+{
+ struct ath_softc *sc = hw->priv;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
- /* Set the VIF opmode */
- avp->av_opmode = ic_opmode;
- avp->av_bslot = -1;
+ /*
+ * Use the hardware MAC address as reference, the hardware uses it
+ * together with the BSSID mask when matching addresses.
+ */
+ memset(iter_data, 0, sizeof(*iter_data));
+ iter_data->hw_macaddr = common->macaddr;
+ memset(&iter_data->mask, 0xff, ETH_ALEN);
- sc->nvifs++;
+ if (vif)
+ ath9k_vif_iter(iter_data, vif->addr, vif);
+
+ /* Get list of all active MAC addresses */
+ ieee80211_iterate_active_interfaces_atomic(sc->hw, ath9k_vif_iter,
+ iter_data);
+}
+
+/* Called with sc->mutex held. */
+static void ath9k_calculate_summary_state(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct ath_softc *sc = hw->priv;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_vif_iter_data iter_data;
- ath9k_set_bssid_mask(hw, vif);
+ ath9k_calculate_iter_data(hw, vif, &iter_data);
- if (sc->nvifs > 1)
- goto out; /* skip global settings for secondary vif */
+ ath9k_ps_wakeup(sc);
+ /* Set BSSID mask. */
+ memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);
+ ath_hw_setbssidmask(common);
- if (ic_opmode == NL80211_IFTYPE_AP) {
+ /* Set op-mode & TSF */
+ if (iter_data.naps > 0) {
ath9k_hw_set_tsfadjust(ah, 1);
sc->sc_flags |= SC_OP_TSF_RESET;
- }
+ ah->opmode = NL80211_IFTYPE_AP;
+ } else {
+ ath9k_hw_set_tsfadjust(ah, 0);
+ sc->sc_flags &= ~SC_OP_TSF_RESET;
- /* Set the device opmode */
- ah->opmode = ic_opmode;
+ if (iter_data.nwds + iter_data.nmeshes)
+ ah->opmode = NL80211_IFTYPE_AP;
+ else if (iter_data.nadhocs)
+ ah->opmode = NL80211_IFTYPE_ADHOC;
+ else
+ ah->opmode = NL80211_IFTYPE_STATION;
+ }
/*
* Enable MIB interrupts when there are hardware phy counters.
- * Note we only do this (at the moment) for station mode.
*/
- if ((vif->type == NL80211_IFTYPE_STATION) ||
- (vif->type == NL80211_IFTYPE_ADHOC) ||
- (vif->type == NL80211_IFTYPE_MESH_POINT)) {
+ if ((iter_data.nstations + iter_data.nadhocs + iter_data.nmeshes) > 0) {
if (ah->config.enable_ani)
ah->imask |= ATH9K_INT_MIB;
ah->imask |= ATH9K_INT_TSFOOR;
+ } else {
+ ah->imask &= ~ATH9K_INT_MIB;
+ ah->imask &= ~ATH9K_INT_TSFOOR;
}
ath9k_hw_set_interrupts(ah, ah->imask);
+ ath9k_ps_restore(sc);
- if (vif->type == NL80211_IFTYPE_AP ||
- vif->type == NL80211_IFTYPE_ADHOC) {
+ /* Set up ANI */
+ if ((iter_data.naps + iter_data.nadhocs) > 0) {
sc->sc_flags |= SC_OP_ANI_RUN;
ath_start_ani(common);
+ } else {
+ sc->sc_flags &= ~SC_OP_ANI_RUN;
+ del_timer_sync(&common->ani.timer);
}
+}
-out:
- mutex_unlock(&sc->mutex);
- return ret;
+/* Called with sc->mutex held, vif counts set up properly. */
+static void ath9k_do_vif_add_setup(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct ath_softc *sc = hw->priv;
+
+ ath9k_calculate_summary_state(hw, vif);
+
+ if (ath9k_uses_beacons(vif->type)) {
+ int error;
+ /* This may fail because upper levels do not have beacons
+ * properly configured yet. That's OK, we assume it
+ * will be properly configured and then we will be notified
+ * in the info_changed method and set up beacons properly
+ * there.
+ */
+ ath9k_set_beaconing_status(sc, false);
+ error = ath_beacon_alloc(sc, vif);
+ if (!error)
+ ath_beacon_config(sc, vif);
+ ath9k_set_beaconing_status(sc, true);
+ }
}
-static void ath9k_reclaim_beacon(struct ath_softc *sc,
- struct ieee80211_vif *vif)
+
+static int ath9k_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
{
+ struct ath_softc *sc = hw->priv;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
struct ath_vif *avp = (void *)vif->drv_priv;
+ int ret = 0;
- /* Disable SWBA interrupt */
- sc->sc_ah->imask &= ~ATH9K_INT_SWBA;
- ath9k_ps_wakeup(sc);
- ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask);
- ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
- tasklet_kill(&sc->bcon_tasklet);
- ath9k_ps_restore(sc);
+ mutex_lock(&sc->mutex);
- ath_beacon_return(sc, avp);
- sc->sc_flags &= ~SC_OP_BEACONS;
+ switch (vif->type) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_WDS:
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_MESH_POINT:
+ break;
+ default:
+ ath_err(common, "Interface type %d not yet supported\n",
+ vif->type);
+ ret = -EOPNOTSUPP;
+ goto out;
+ }
- if (sc->nbcnvifs > 0) {
- /* Re-enable beaconing */
- sc->sc_ah->imask |= ATH9K_INT_SWBA;
- ath9k_ps_wakeup(sc);
- ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask);
- ath9k_ps_restore(sc);
+ if (ath9k_uses_beacons(vif->type)) {
+ if (sc->nbcnvifs >= ATH_BCBUF) {
+ ath_err(common, "Not enough beacon buffers when adding"
+ " new interface of type: %i\n",
+ vif->type);
+ ret = -ENOBUFS;
+ goto out;
+ }
+ }
+
+ if ((vif->type == NL80211_IFTYPE_ADHOC) &&
+ sc->nvifs > 0) {
+ ath_err(common, "Cannot create ADHOC interface when other"
+ " interfaces already exist.\n");
+ ret = -EINVAL;
+ goto out;
}
+
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Attach a VIF of type: %d\n", vif->type);
+
+ /* Set the VIF opmode */
+ avp->av_opmode = vif->type;
+ avp->av_bslot = -1;
+
+ sc->nvifs++;
+
+ ath9k_do_vif_add_setup(hw, vif);
+out:
+ mutex_unlock(&sc->mutex);
+ return ret;
}
static int ath9k_change_interface(struct ieee80211_hw *hw,
enum nl80211_iftype new_type,
bool p2p)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
int ret = 0;
ath_dbg(common, ATH_DBG_CONFIG, "Change Interface\n");
mutex_lock(&sc->mutex);
- switch (new_type) {
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_ADHOC:
+ /* See if new interface type is valid. */
+ if ((new_type == NL80211_IFTYPE_ADHOC) &&
+ (sc->nvifs > 1)) {
+ ath_err(common, "When using ADHOC, it must be the only"
+ " interface.\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (ath9k_uses_beacons(new_type) &&
+ !ath9k_uses_beacons(vif->type)) {
if (sc->nbcnvifs >= ATH_BCBUF) {
ath_err(common, "No beacon slot available\n");
ret = -ENOBUFS;
goto out;
}
- break;
- case NL80211_IFTYPE_STATION:
- /* Stop ANI */
- sc->sc_flags &= ~SC_OP_ANI_RUN;
- del_timer_sync(&common->ani.timer);
- if ((vif->type == NL80211_IFTYPE_AP) ||
- (vif->type == NL80211_IFTYPE_ADHOC))
- ath9k_reclaim_beacon(sc, vif);
- break;
- default:
- ath_err(common, "Interface type %d not yet supported\n",
- vif->type);
- ret = -ENOTSUPP;
- goto out;
}
+
+ /* Clean up old vif stuff */
+ if (ath9k_uses_beacons(vif->type))
+ ath9k_reclaim_beacon(sc, vif);
+
+ /* Add new settings */
vif->type = new_type;
vif->p2p = p2p;
+ ath9k_do_vif_add_setup(hw, vif);
out:
mutex_unlock(&sc->mutex);
return ret;
static void ath9k_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
ath_dbg(common, ATH_DBG_CONFIG, "Detach Interface\n");
mutex_lock(&sc->mutex);
- /* Stop ANI */
- sc->sc_flags &= ~SC_OP_ANI_RUN;
- del_timer_sync(&common->ani.timer);
+ sc->nvifs--;
/* Reclaim beacon resources */
- if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) ||
- (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) ||
- (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT))
+ if (ath9k_uses_beacons(vif->type))
ath9k_reclaim_beacon(sc, vif);
- sc->nvifs--;
+ ath9k_calculate_summary_state(hw, NULL);
mutex_unlock(&sc->mutex);
}
static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_conf *conf = &hw->conf;
- bool disable_radio;
+ bool disable_radio = false;
mutex_lock(&sc->mutex);
* the end.
*/
if (changed & IEEE80211_CONF_CHANGE_IDLE) {
- bool enable_radio;
- bool all_wiphys_idle;
- bool idle = !!(conf->flags & IEEE80211_CONF_IDLE);
-
- spin_lock_bh(&sc->wiphy_lock);
- all_wiphys_idle = ath9k_all_wiphys_idle(sc);
- ath9k_set_wiphy_idle(aphy, idle);
-
- enable_radio = (!idle && all_wiphys_idle);
-
- /*
- * After we unlock here its possible another wiphy
- * can be re-renabled so to account for that we will
- * only disable the radio toward the end of this routine
- * if by then all wiphys are still idle.
- */
- spin_unlock_bh(&sc->wiphy_lock);
-
- if (enable_radio) {
- sc->ps_idle = false;
+ sc->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE);
+ if (!sc->ps_idle) {
ath_radio_enable(sc, hw);
ath_dbg(common, ATH_DBG_CONFIG,
"not-idle: enabling radio\n");
+ } else {
+ disable_radio = true;
}
}
if (ah->curchan)
old_pos = ah->curchan - &ah->channels[0];
- aphy->chan_idx = pos;
- aphy->chan_is_ht = conf_is_ht(conf);
if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
sc->sc_flags |= SC_OP_OFFCHANNEL;
else
sc->sc_flags &= ~SC_OP_OFFCHANNEL;
- if (aphy->state == ATH_WIPHY_SCAN ||
- aphy->state == ATH_WIPHY_ACTIVE)
- ath9k_wiphy_pause_all_forced(sc, aphy);
- else {
- /*
- * Do not change operational channel based on a paused
- * wiphy changes.
- */
- goto skip_chan_change;
- }
-
- ath_dbg(common, ATH_DBG_CONFIG, "Set channel: %d MHz\n",
- curchan->center_freq);
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Set channel: %d MHz type: %d\n",
+ curchan->center_freq, conf->channel_type);
- /* XXX: remove me eventualy */
- ath9k_update_ichannel(sc, hw, &sc->sc_ah->channels[pos]);
+ ath9k_cmn_update_ichannel(&sc->sc_ah->channels[pos],
+ curchan, conf->channel_type);
/* update survey stats for the old channel before switching */
spin_lock_irqsave(&common->cc_lock, flags);
ath_update_survey_nf(sc, old_pos);
}
-skip_chan_change:
if (changed & IEEE80211_CONF_CHANGE_POWER) {
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Set power: %d\n", conf->power_level);
sc->config.txpowlimit = 2 * conf->power_level;
ath9k_ps_wakeup(sc);
- ath_update_txpow(sc);
+ ath9k_cmn_update_txpow(ah, sc->curtxpow,
+ sc->config.txpowlimit, &sc->curtxpow);
ath9k_ps_restore(sc);
}
- spin_lock_bh(&sc->wiphy_lock);
- disable_radio = ath9k_all_wiphys_idle(sc);
- spin_unlock_bh(&sc->wiphy_lock);
-
if (disable_radio) {
ath_dbg(common, ATH_DBG_CONFIG, "idle: disabling radio\n");
- sc->ps_idle = true;
ath_radio_disable(sc, hw);
}
unsigned int *total_flags,
u64 multicast)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
u32 rfilt;
changed_flags &= SUPPORTED_FILTERS;
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
ath_node_attach(sc, sta);
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
ath_node_detach(sc, sta);
static int ath9k_conf_tx(struct ieee80211_hw *hw, u16 queue,
const struct ieee80211_tx_queue_params *params)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_txq *txq;
struct ath9k_tx_queue_info qi;
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
int ret = 0;
struct ieee80211_bss_conf *bss_conf,
u32 changed)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
+ struct ath_beacon_config *cur_conf = &sc->cur_beacon_conf;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
struct ath_vif *avp = (void *)vif->drv_priv;
/* Enable transmission of beacons (AP, IBSS, MESH) */
if ((changed & BSS_CHANGED_BEACON) ||
((changed & BSS_CHANGED_BEACON_ENABLED) && bss_conf->enable_beacon)) {
- ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
- error = ath_beacon_alloc(aphy, vif);
+ ath9k_set_beaconing_status(sc, false);
+ error = ath_beacon_alloc(sc, vif);
if (!error)
ath_beacon_config(sc, vif);
+ ath9k_set_beaconing_status(sc, true);
}
if (changed & BSS_CHANGED_ERP_SLOT) {
}
/* Disable transmission of beacons */
- if ((changed & BSS_CHANGED_BEACON_ENABLED) && !bss_conf->enable_beacon)
- ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
+ if ((changed & BSS_CHANGED_BEACON_ENABLED) &&
+ !bss_conf->enable_beacon) {
+ ath9k_set_beaconing_status(sc, false);
+ avp->is_bslot_active = false;
+ ath9k_set_beaconing_status(sc, true);
+ }
if (changed & BSS_CHANGED_BEACON_INT) {
- sc->beacon_interval = bss_conf->beacon_int;
+ cur_conf->beacon_interval = bss_conf->beacon_int;
/*
* In case of AP mode, the HW TSF has to be reset
* when the beacon interval changes.
*/
if (vif->type == NL80211_IFTYPE_AP) {
sc->sc_flags |= SC_OP_TSF_RESET;
- ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
- error = ath_beacon_alloc(aphy, vif);
+ ath9k_set_beaconing_status(sc, false);
+ error = ath_beacon_alloc(sc, vif);
if (!error)
ath_beacon_config(sc, vif);
+ ath9k_set_beaconing_status(sc, true);
} else {
ath_beacon_config(sc, vif);
}
static u64 ath9k_get_tsf(struct ieee80211_hw *hw)
{
+ struct ath_softc *sc = hw->priv;
u64 tsf;
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
mutex_lock(&sc->mutex);
ath9k_ps_wakeup(sc);
static void ath9k_set_tsf(struct ieee80211_hw *hw, u64 tsf)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
mutex_lock(&sc->mutex);
ath9k_ps_wakeup(sc);
static void ath9k_reset_tsf(struct ieee80211_hw *hw)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
mutex_lock(&sc->mutex);
struct ieee80211_vif *vif,
enum ieee80211_ampdu_mlme_action action,
struct ieee80211_sta *sta,
- u16 tid, u16 *ssn)
+ u16 tid, u16 *ssn, u8 buf_size)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
int ret = 0;
local_bh_disable();
static int ath9k_get_survey(struct ieee80211_hw *hw, int idx,
struct survey_info *survey)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ieee80211_supported_band *sband;
struct ieee80211_channel *chan;
return 0;
}
-static void ath9k_sw_scan_start(struct ieee80211_hw *hw)
-{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
-
- mutex_lock(&sc->mutex);
- if (ath9k_wiphy_scanning(sc)) {
- /*
- * There is a race here in mac80211 but fixing it requires
- * we revisit how we handle the scan complete callback.
- * After mac80211 fixes we will not have configured hardware
- * to the home channel nor would we have configured the RX
- * filter yet.
- */
- mutex_unlock(&sc->mutex);
- return;
- }
-
- aphy->state = ATH_WIPHY_SCAN;
- ath9k_wiphy_pause_all_forced(sc, aphy);
- mutex_unlock(&sc->mutex);
-}
-
-/*
- * XXX: this requires a revisit after the driver
- * scan_complete gets moved to another place/removed in mac80211.
- */
-static void ath9k_sw_scan_complete(struct ieee80211_hw *hw)
-{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
-
- mutex_lock(&sc->mutex);
- aphy->state = ATH_WIPHY_ACTIVE;
- mutex_unlock(&sc->mutex);
-}
-
static void ath9k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
struct ath_hw *ah = sc->sc_ah;
mutex_lock(&sc->mutex);
.reset_tsf = ath9k_reset_tsf,
.ampdu_action = ath9k_ampdu_action,
.get_survey = ath9k_get_survey,
- .sw_scan_start = ath9k_sw_scan_start,
- .sw_scan_complete = ath9k_sw_scan_complete,
.rfkill_poll = ath9k_rfkill_poll_state,
.set_coverage_class = ath9k_set_coverage_class,
};
#define BITS_PER_BYTE 8
#define OFDM_PLCP_BITS 22
-#define HT_RC_2_MCS(_rc) ((_rc) & 0x1f)
#define HT_RC_2_STREAMS(_rc) ((((_rc) & 0x78) >> 3) + 1)
#define L_STF 8
#define L_LTF 8
#define NUM_SYMBOLS_PER_USEC(_usec) (_usec >> 2)
#define NUM_SYMBOLS_PER_USEC_HALFGI(_usec) (((_usec*5)-4)/18)
-#define OFDM_SIFS_TIME 16
static u16 bits_per_symbol[][2] = {
/* 20MHz 40MHz */
static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
struct list_head *head);
static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len);
-static void ath_tx_rc_status(struct ath_buf *bf, struct ath_tx_status *ts,
- int nframes, int nbad, int txok, bool update_rc);
+static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf,
+ struct ath_tx_status *ts, int nframes, int nbad,
+ int txok, bool update_rc);
static void ath_tx_update_baw(struct ath_softc *sc, struct ath_atx_tid *tid,
int seqno);
ath_tx_update_baw(sc, tid, fi->seqno);
ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0);
} else {
- ath_tx_send_normal(sc, txq, tid, &bf_head);
+ ath_tx_send_normal(sc, txq, NULL, &bf_head);
}
spin_lock_bh(&txq->axq_lock);
}
ATH_TXBUF_RESET(tbf);
- tbf->aphy = bf->aphy;
tbf->bf_mpdu = bf->bf_mpdu;
tbf->bf_buf_addr = bf->bf_buf_addr;
memcpy(tbf->bf_desc, bf->bf_desc, sc->sc_ah->caps.tx_desc_len);
struct ath_node *an = NULL;
struct sk_buff *skb;
struct ieee80211_sta *sta;
- struct ieee80211_hw *hw;
+ struct ieee80211_hw *hw = sc->hw;
struct ieee80211_hdr *hdr;
struct ieee80211_tx_info *tx_info;
struct ath_atx_tid *tid = NULL;
hdr = (struct ieee80211_hdr *)skb->data;
tx_info = IEEE80211_SKB_CB(skb);
- hw = bf->aphy->hw;
memcpy(rates, tx_info->control.rates, sizeof(rates));
!bf->bf_stale || bf_next != NULL)
list_move_tail(&bf->list, &bf_head);
- ath_tx_rc_status(bf, ts, 1, 1, 0, false);
+ ath_tx_rc_status(sc, bf, ts, 1, 1, 0, false);
ath_tx_complete_buf(sc, bf, txq, &bf_head, ts,
0, 0);
ath_tx_count_frames(sc, bf, ts, txok, &nframes, &nbad);
while (bf) {
- txfail = txpending = 0;
+ txfail = txpending = sendbar = 0;
bf_next = bf->bf_next;
skb = bf->bf_mpdu;
if (rc_update && (acked_cnt == 1 || txfail_cnt == 1)) {
memcpy(tx_info->control.rates, rates, sizeof(rates));
- ath_tx_rc_status(bf, ts, nframes, nbad, txok, true);
+ ath_tx_rc_status(sc, bf, ts, nframes, nbad, txok, true);
rc_update = false;
} else {
- ath_tx_rc_status(bf, ts, nframes, nbad, txok, false);
+ ath_tx_rc_status(sc, bf, ts, nframes, nbad, txok, false);
}
ath_tx_complete_buf(sc, bf, txq, &bf_head, ts,
bf->bf_state.bf_type |=
BUF_XRETRY;
- ath_tx_rc_status(bf, ts, nframes,
+ ath_tx_rc_status(sc, bf, ts, nframes,
nbad, 0, false);
ath_tx_complete_buf(sc, bf, txq,
&bf_head,
rcu_read_unlock();
- if (needreset)
+ if (needreset) {
+ spin_unlock_bh(&sc->sc_pcu_lock);
ath_reset(sc, false);
+ spin_lock_bh(&sc->sc_pcu_lock);
+ }
}
static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
txtid->state |= AGGR_ADDBA_PROGRESS;
txtid->paused = true;
- *ssn = txtid->seq_start;
+ *ssn = txtid->seq_start = txtid->seq_next;
+
+ memset(txtid->tx_buf, 0, sizeof(txtid->tx_buf));
+ txtid->baw_head = txtid->baw_tail = 0;
return 0;
}
[WME_AC_VI] = ATH_TXQ_AC_VI,
[WME_AC_VO] = ATH_TXQ_AC_VO,
};
- int qnum, i;
+ int axq_qnum, i;
memset(&qi, 0, sizeof(qi));
qi.tqi_subtype = subtype_txq_to_hwq[subtype];
qi.tqi_qflags = TXQ_FLAG_TXEOLINT_ENABLE |
TXQ_FLAG_TXDESCINT_ENABLE;
}
- qnum = ath9k_hw_setuptxqueue(ah, qtype, &qi);
- if (qnum == -1) {
+ axq_qnum = ath9k_hw_setuptxqueue(ah, qtype, &qi);
+ if (axq_qnum == -1) {
/*
* NB: don't print a message, this happens
* normally on parts with too few tx queues
*/
return NULL;
}
- if (qnum >= ARRAY_SIZE(sc->tx.txq)) {
+ if (axq_qnum >= ARRAY_SIZE(sc->tx.txq)) {
ath_err(common, "qnum %u out of range, max %zu!\n",
- qnum, ARRAY_SIZE(sc->tx.txq));
- ath9k_hw_releasetxqueue(ah, qnum);
+ axq_qnum, ARRAY_SIZE(sc->tx.txq));
+ ath9k_hw_releasetxqueue(ah, axq_qnum);
return NULL;
}
- if (!ATH_TXQ_SETUP(sc, qnum)) {
- struct ath_txq *txq = &sc->tx.txq[qnum];
+ if (!ATH_TXQ_SETUP(sc, axq_qnum)) {
+ struct ath_txq *txq = &sc->tx.txq[axq_qnum];
- txq->axq_qnum = qnum;
+ txq->axq_qnum = axq_qnum;
+ txq->mac80211_qnum = -1;
txq->axq_link = NULL;
INIT_LIST_HEAD(&txq->axq_q);
INIT_LIST_HEAD(&txq->axq_acq);
txq->axq_depth = 0;
txq->axq_ampdu_depth = 0;
txq->axq_tx_inprogress = false;
- sc->tx.txqsetup |= 1<<qnum;
+ sc->tx.txqsetup |= 1<<axq_qnum;
txq->txq_headidx = txq->txq_tailidx = 0;
for (i = 0; i < ATH_TXFIFO_DEPTH; i++)
INIT_LIST_HEAD(&txq->txq_fifo[i]);
INIT_LIST_HEAD(&txq->txq_fifo_pending);
}
- return &sc->tx.txq[qnum];
+ return &sc->tx.txq[axq_qnum];
}
int ath_txq_update(struct ath_softc *sc, int qnum,
int ath_cabq_update(struct ath_softc *sc)
{
struct ath9k_tx_queue_info qi;
+ struct ath_beacon_config *cur_conf = &sc->cur_beacon_conf;
int qnum = sc->beacon.cabq->axq_qnum;
ath9k_hw_get_txq_props(sc->sc_ah, qnum, &qi);
else if (sc->config.cabqReadytime > ATH9K_READY_TIME_HI_BOUND)
sc->config.cabqReadytime = ATH9K_READY_TIME_HI_BOUND;
- qi.tqi_readyTime = (sc->beacon_interval *
+ qi.tqi_readyTime = (cur_conf->beacon_interval *
sc->config.cabqReadytime) / 100;
ath_txq_update(sc, qnum, &qi);
ath_err(common, "Failed to stop TX DMA!\n");
for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
- if (ATH_TXQ_SETUP(sc, i))
- ath_draintxq(sc, &sc->tx.txq[i], retry_tx);
+ if (!ATH_TXQ_SETUP(sc, i))
+ continue;
+
+ /*
+ * The caller will resume queues with ieee80211_wake_queues.
+ * Mark the queue as not stopped to prevent ath_tx_complete
+ * from waking the queue too early.
+ */
+ txq = &sc->tx.txq[i];
+ txq->stopped = false;
+ ath_draintxq(sc, txq, retry_tx);
}
return !npend;
sc->tx.txqsetup &= ~(1<<txq->axq_qnum);
}
+/* For each axq_acq entry, for each tid, try to schedule packets
+ * for transmit until ampdu_depth has reached min Q depth.
+ */
void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq)
{
- struct ath_atx_ac *ac;
- struct ath_atx_tid *tid;
+ struct ath_atx_ac *ac, *ac_tmp, *last_ac;
+ struct ath_atx_tid *tid, *last_tid;
- if (list_empty(&txq->axq_acq))
+ if (list_empty(&txq->axq_acq) ||
+ txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
return;
ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac, list);
- list_del(&ac->list);
- ac->sched = false;
+ last_ac = list_entry(txq->axq_acq.prev, struct ath_atx_ac, list);
- do {
- if (list_empty(&ac->tid_q))
- return;
+ list_for_each_entry_safe(ac, ac_tmp, &txq->axq_acq, list) {
+ last_tid = list_entry(ac->tid_q.prev, struct ath_atx_tid, list);
+ list_del(&ac->list);
+ ac->sched = false;
- tid = list_first_entry(&ac->tid_q, struct ath_atx_tid, list);
- list_del(&tid->list);
- tid->sched = false;
+ while (!list_empty(&ac->tid_q)) {
+ tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
+ list);
+ list_del(&tid->list);
+ tid->sched = false;
- if (tid->paused)
- continue;
+ if (tid->paused)
+ continue;
- ath_tx_sched_aggr(sc, txq, tid);
+ ath_tx_sched_aggr(sc, txq, tid);
- /*
- * add tid to round-robin queue if more frames
- * are pending for the tid
- */
- if (!list_empty(&tid->buf_q))
- ath_tx_queue_tid(txq, tid);
+ /*
+ * add tid to round-robin queue if more frames
+ * are pending for the tid
+ */
+ if (!list_empty(&tid->buf_q))
+ ath_tx_queue_tid(txq, tid);
- break;
- } while (!list_empty(&ac->tid_q));
+ if (tid == last_tid ||
+ txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
+ break;
+ }
- if (!list_empty(&ac->tid_q)) {
- if (!ac->sched) {
- ac->sched = true;
- list_add_tail(&ac->list, &txq->axq_acq);
+ if (!list_empty(&ac->tid_q)) {
+ if (!ac->sched) {
+ ac->sched = true;
+ list_add_tail(&ac->list, &txq->axq_acq);
+ }
}
+
+ if (ac == last_ac ||
+ txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
+ return;
}
}
INIT_LIST_HEAD(&txq->txq_fifo[txq->txq_headidx]);
list_splice_init(head, &txq->txq_fifo[txq->txq_headidx]);
INCR(txq->txq_headidx, ATH_TXFIFO_DEPTH);
+ TX_STAT_INC(txq->axq_qnum, puttxbuf);
ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc);
list_splice_tail_init(head, &txq->axq_q);
if (txq->axq_link == NULL) {
+ TX_STAT_INC(txq->axq_qnum, puttxbuf);
ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
txq->axq_qnum, ito64(bf->bf_daddr),
}
ath9k_hw_get_desc_link(ah, bf->bf_lastbf->bf_desc,
&txq->axq_link);
+ TX_STAT_INC(txq->axq_qnum, txstart);
ath9k_hw_txstart(ah, txq->axq_qnum);
}
txq->axq_depth++;
struct list_head bf_head;
bf->bf_state.bf_type |= BUF_AMPDU;
- TX_STAT_INC(txctl->txq->axq_qnum, a_queued);
/*
* Do not queue to h/w when any of the following conditions is true:
* Add this frame to software queue for scheduling later
* for aggregation.
*/
+ TX_STAT_INC(txctl->txq->axq_qnum, a_queued_sw);
list_add_tail(&bf->list, &tid->buf_q);
ath_tx_queue_tid(txctl->txq, tid);
return;
ath_tx_addto_baw(sc, tid, fi->seqno);
/* Queue to h/w without aggregation */
+ TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw);
bf->bf_lastbf = bf;
ath_buf_set_rate(sc, bf, fi->framelen);
ath_tx_txqaddbuf(sc, txctl->txq, &bf_head);
static void setup_frame_info(struct ieee80211_hw *hw, struct sk_buff *skb,
int framelen)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_sta *sta = tx_info->control.sta;
struct ieee80211_key_conf *hw_key = tx_info->control.hw_key;
struct ath_txq *txq,
struct sk_buff *skb)
{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_frame_info *fi = get_frame_info(skb);
ATH_TXBUF_RESET(bf);
- bf->aphy = aphy;
bf->bf_flags = setup_tx_flags(skb);
bf->bf_mpdu = skb;
ar9003_hw_set_paprd_txdesc(sc->sc_ah, bf->bf_desc,
bf->bf_state.bfs_paprd);
+ if (txctl->paprd)
+ bf->bf_state.bfs_paprd_timestamp = jiffies;
+
ath_tx_send_normal(sc, txctl->txq, tid, &bf_head);
}
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_sta *sta = info->control.sta;
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
+ struct ath_softc *sc = hw->priv;
struct ath_txq *txq = txctl->txq;
struct ath_buf *bf;
int padpos, padsize;
spin_lock_bh(&txq->axq_lock);
if (txq == sc->tx.txq_map[q] &&
++txq->pending_frames > ATH_MAX_QDEPTH && !txq->stopped) {
- ath_mac80211_stop_queue(sc, q);
+ ieee80211_stop_queue(sc->hw, q);
txq->stopped = 1;
}
spin_unlock_bh(&txq->axq_lock);
/*****************/
static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
- struct ath_wiphy *aphy, int tx_flags, int ftype,
- struct ath_txq *txq)
+ int tx_flags, int ftype, struct ath_txq *txq)
{
struct ieee80211_hw *hw = sc->hw;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
ath_dbg(common, ATH_DBG_XMIT, "TX complete: skb: %p\n", skb);
- if (aphy)
- hw = aphy->hw;
-
if (tx_flags & ATH_TX_BAR)
tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
PS_WAIT_FOR_TX_ACK));
}
- if (unlikely(ftype))
- ath9k_tx_status(hw, skb, ftype);
- else {
- q = skb_get_queue_mapping(skb);
- if (txq == sc->tx.txq_map[q]) {
- spin_lock_bh(&txq->axq_lock);
- if (WARN_ON(--txq->pending_frames < 0))
- txq->pending_frames = 0;
- spin_unlock_bh(&txq->axq_lock);
- }
+ q = skb_get_queue_mapping(skb);
+ if (txq == sc->tx.txq_map[q]) {
+ spin_lock_bh(&txq->axq_lock);
+ if (WARN_ON(--txq->pending_frames < 0))
+ txq->pending_frames = 0;
- ieee80211_tx_status(hw, skb);
+ if (txq->stopped && txq->pending_frames < ATH_MAX_QDEPTH) {
+ ieee80211_wake_queue(sc->hw, q);
+ txq->stopped = 0;
+ }
+ spin_unlock_bh(&txq->axq_lock);
}
+
+ ieee80211_tx_status(hw, skb);
}
static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
bf->bf_buf_addr = 0;
if (bf->bf_state.bfs_paprd) {
- if (!sc->paprd_pending)
+ if (time_after(jiffies,
+ bf->bf_state.bfs_paprd_timestamp +
+ msecs_to_jiffies(ATH_PAPRD_TIMEOUT)))
dev_kfree_skb_any(skb);
else
complete(&sc->paprd_complete);
} else {
- ath_debug_stat_tx(sc, bf, ts);
- ath_tx_complete(sc, skb, bf->aphy, tx_flags,
+ ath_debug_stat_tx(sc, bf, ts, txq);
+ ath_tx_complete(sc, skb, tx_flags,
bf->bf_state.bfs_ftype, txq);
}
/* At this point, skb (bf->bf_mpdu) is consumed...make sure we don't
spin_unlock_irqrestore(&sc->tx.txbuflock, flags);
}
-static void ath_tx_rc_status(struct ath_buf *bf, struct ath_tx_status *ts,
- int nframes, int nbad, int txok, bool update_rc)
+static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf,
+ struct ath_tx_status *ts, int nframes, int nbad,
+ int txok, bool update_rc)
{
struct sk_buff *skb = bf->bf_mpdu;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- struct ieee80211_hw *hw = bf->aphy->hw;
- struct ath_softc *sc = bf->aphy->sc;
+ struct ieee80211_hw *hw = sc->hw;
struct ath_hw *ah = sc->sc_ah;
u8 i, tx_rateindex;
tx_info->status.rates[tx_rateindex].count = ts->ts_longretry + 1;
}
-static void ath_wake_mac80211_queue(struct ath_softc *sc, int qnum)
-{
- struct ath_txq *txq;
-
- txq = sc->tx.txq_map[qnum];
- spin_lock_bh(&txq->axq_lock);
- if (txq->stopped && txq->pending_frames < ATH_MAX_QDEPTH) {
- if (ath_mac80211_start_queue(sc, qnum))
- txq->stopped = 0;
- }
- spin_unlock_bh(&txq->axq_lock);
-}
-
static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
{
struct ath_hw *ah = sc->sc_ah;
struct ath_tx_status ts;
int txok;
int status;
- int qnum;
ath_dbg(common, ATH_DBG_QUEUE, "tx queue %d (%x), link %p\n",
txq->axq_qnum, ath9k_hw_gettxbuf(sc->sc_ah, txq->axq_qnum),
spin_lock_bh(&txq->axq_lock);
if (list_empty(&txq->axq_q)) {
txq->axq_link = NULL;
+ if (sc->sc_flags & SC_OP_TXAGGR)
+ ath_txq_schedule(sc, txq);
spin_unlock_bh(&txq->axq_lock);
break;
}
spin_unlock_bh(&txq->axq_lock);
break;
}
+ TX_STAT_INC(txq->axq_qnum, txprocdesc);
/*
* Remove ath_buf's of the same transmit unit from txq,
*/
if (ts.ts_status & ATH9K_TXERR_XRETRY)
bf->bf_state.bf_type |= BUF_XRETRY;
- ath_tx_rc_status(bf, &ts, 1, txok ? 0 : 1, txok, true);
+ ath_tx_rc_status(sc, bf, &ts, 1, txok ? 0 : 1, txok, true);
}
- qnum = skb_get_queue_mapping(bf->bf_mpdu);
-
if (bf_isampdu(bf))
ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, txok,
true);
else
ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, txok, 0);
- if (txq == sc->tx.txq_map[qnum])
- ath_wake_mac80211_queue(sc, qnum);
-
spin_lock_bh(&txq->axq_lock);
+
if (sc->sc_flags & SC_OP_TXAGGR)
ath_txq_schedule(sc, txq);
spin_unlock_bh(&txq->axq_lock);
}
}
+static void ath_hw_pll_work(struct work_struct *work)
+{
+ struct ath_softc *sc = container_of(work, struct ath_softc,
+ hw_pll_work.work);
+ static int count;
+
+ if (AR_SREV_9485(sc->sc_ah)) {
+ if (ar9003_get_pll_sqsum_dvc(sc->sc_ah) >= 0x40000) {
+ count++;
+
+ if (count == 3) {
+ /* Rx is hung for more than 500ms. Reset it */
+ ath_reset(sc, true);
+ count = 0;
+ }
+ } else
+ count = 0;
+
+ ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/5);
+ }
+}
+
static void ath_tx_complete_poll_work(struct work_struct *work)
{
struct ath_softc *sc = container_of(work, struct ath_softc,
struct ath_txq *txq;
int i;
bool needreset = false;
+#ifdef CONFIG_ATH9K_DEBUGFS
+ sc->tx_complete_poll_work_seen++;
+#endif
for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
if (ATH_TXQ_SETUP(sc, i)) {
} else {
txq->axq_tx_inprogress = true;
}
+ } else {
+ /* If the queue has pending buffers, then it
+ * should be doing tx work (and have axq_depth).
+ * Shouldn't get to this state I think..but
+ * we do.
+ */
+ if (!(sc->sc_flags & (SC_OP_OFFCHANNEL)) &&
+ (txq->pending_frames > 0 ||
+ !list_empty(&txq->axq_acq) ||
+ txq->stopped)) {
+ ath_err(ath9k_hw_common(sc->sc_ah),
+ "txq: %p axq_qnum: %u,"
+ " mac80211_qnum: %i"
+ " axq_link: %p"
+ " pending frames: %i"
+ " axq_acq empty: %i"
+ " stopped: %i"
+ " axq_depth: 0 Attempting to"
+ " restart tx logic.\n",
+ txq, txq->axq_qnum,
+ txq->mac80211_qnum,
+ txq->axq_link,
+ txq->pending_frames,
+ list_empty(&txq->axq_acq),
+ txq->stopped);
+ ath_txq_schedule(sc, txq);
+ }
}
spin_unlock_bh(&txq->axq_lock);
}
struct list_head bf_head;
int status;
int txok;
- int qnum;
for (;;) {
status = ath9k_hw_txprocdesc(ah, NULL, (void *)&txs);
if (!bf_isampdu(bf)) {
if (txs.ts_status & ATH9K_TXERR_XRETRY)
bf->bf_state.bf_type |= BUF_XRETRY;
- ath_tx_rc_status(bf, &txs, 1, txok ? 0 : 1, txok, true);
+ ath_tx_rc_status(sc, bf, &txs, 1, txok ? 0 : 1, txok, true);
}
- qnum = skb_get_queue_mapping(bf->bf_mpdu);
-
if (bf_isampdu(bf))
ath_tx_complete_aggr(sc, txq, bf, &bf_head, &txs,
txok, true);
ath_tx_complete_buf(sc, bf, txq, &bf_head,
&txs, txok, 0);
- if (txq == sc->tx.txq_map[qnum])
- ath_wake_mac80211_queue(sc, qnum);
-
spin_lock_bh(&txq->axq_lock);
+
if (!list_empty(&txq->txq_fifo_pending)) {
INIT_LIST_HEAD(&bf_head);
bf = list_first_entry(&txq->txq_fifo_pending,
}
INIT_DELAYED_WORK(&sc->tx_complete_work, ath_tx_complete_poll_work);
+ INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work);
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
error = ath_tx_edma_init(sc);
rx_status.flag = 0;
rx_status.mactime = le64_to_cpu(rx_end->timestamp);
- rx_status.freq =
- ieee80211_channel_to_frequency(le16_to_cpu(rx_hdr->channel));
rx_status.band = (rx_hdr->phy_flags & RX_RES_PHY_FLAGS_BAND_24_MSK) ?
IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
+ rx_status.freq =
+ ieee80211_channel_to_frequency(le16_to_cpu(rx_hdr->channel),
+ rx_status.band);
rx_status.rate_idx = iwl3945_hwrate_to_plcp_idx(rx_hdr->rate);
if (rx_status.band == IEEE80211_BAND_5GHZ)
/* We need to figure out how to get the sta->supp_rates while
* in this running context */
- rate_mask = IWL_RATES_MASK;
-
+ rate_mask = IWL_RATES_MASK_3945;
/* Set retry limit on DATA packets and Probe Responses*/
if (ieee80211_is_probe_resp(fc))
ref_temp);
/* set tx power value for all rates, OFDM and CCK */
- for (rate_index = 0; rate_index < IWL_RATE_COUNT;
+ for (rate_index = 0; rate_index < IWL_RATE_COUNT_3945;
rate_index++) {
int power_idx =
ch_info->power_info[rate_index].base_power_index;
/* If we issue a new RXON command which required a tune then we must
* send a new TXPOWER command or we won't be able to Tx any frames */
- rc = priv->cfg->ops->lib->send_tx_power(priv);
+ rc = iwl_set_tx_power(priv, priv->tx_power_next, true);
if (rc) {
IWL_ERR(priv, "Error setting Tx power (%d).\n", rc);
return rc;
.isr_ops = {
.isr = iwl_isr_legacy,
},
- .check_plcp_health = iwl3945_good_plcp_health,
.debugfs_ops = {
.rx_stats_read = iwl3945_ucode_rx_stats_read,
#define _IWL6050_MODULE_FIRMWARE(api) IWL6050_FW_PRE #api ".ucode"
#define IWL6050_MODULE_FIRMWARE(api) _IWL6050_MODULE_FIRMWARE(api)
-#define IWL6000G2A_FW_PRE "iwlwifi-6000g2a-"
-#define _IWL6000G2A_MODULE_FIRMWARE(api) IWL6000G2A_FW_PRE #api ".ucode"
-#define IWL6000G2A_MODULE_FIRMWARE(api) _IWL6000G2A_MODULE_FIRMWARE(api)
+#define IWL6005_FW_PRE "iwlwifi-6000g2a-"
+#define _IWL6005_MODULE_FIRMWARE(api) IWL6005_FW_PRE #api ".ucode"
+#define IWL6005_MODULE_FIRMWARE(api) _IWL6005_MODULE_FIRMWARE(api)
-#define IWL6000G2B_FW_PRE "iwlwifi-6000g2b-"
-#define _IWL6000G2B_MODULE_FIRMWARE(api) IWL6000G2B_FW_PRE #api ".ucode"
-#define IWL6000G2B_MODULE_FIRMWARE(api) _IWL6000G2B_MODULE_FIRMWARE(api)
+#define IWL6030_FW_PRE "iwlwifi-6000g2b-"
+#define _IWL6030_MODULE_FIRMWARE(api) IWL6030_FW_PRE #api ".ucode"
+#define IWL6030_MODULE_FIRMWARE(api) _IWL6030_MODULE_FIRMWARE(api)
static void iwl6000_set_ct_threshold(struct iwl_priv *priv)
{
CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
}
-static void iwl6050g2_additional_nic_config(struct iwl_priv *priv)
+static void iwl6150_additional_nic_config(struct iwl_priv *priv)
{
/* Indicate calibration version to uCode. */
if (priv->cfg->ops->lib->eeprom_ops.calib_version(priv) >= 6)
}
};
-static struct iwl_lib_ops iwl6000g2b_lib = {
+static struct iwl_lib_ops iwl6030_lib = {
.set_hw_params = iwl6000_hw_set_hw_params,
.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
.txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
.additional_nic_config = &iwl6050_additional_nic_config,
};
-static struct iwl_nic_ops iwl6050g2_nic_ops = {
- .additional_nic_config = &iwl6050g2_additional_nic_config,
+static struct iwl_nic_ops iwl6150_nic_ops = {
+ .additional_nic_config = &iwl6150_additional_nic_config,
};
static const struct iwl_ops iwl6000_ops = {
.ieee80211_ops = &iwlagn_hw_ops,
};
-static const struct iwl_ops iwl6050g2_ops = {
+static const struct iwl_ops iwl6150_ops = {
.lib = &iwl6000_lib,
.hcmd = &iwlagn_hcmd,
.utils = &iwlagn_hcmd_utils,
.led = &iwlagn_led_ops,
- .nic = &iwl6050g2_nic_ops,
+ .nic = &iwl6150_nic_ops,
.ieee80211_ops = &iwlagn_hw_ops,
};
-static const struct iwl_ops iwl6000g2b_ops = {
- .lib = &iwl6000g2b_lib,
+static const struct iwl_ops iwl6030_ops = {
+ .lib = &iwl6030_lib,
.hcmd = &iwlagn_bt_hcmd,
.utils = &iwlagn_hcmd_utils,
.led = &iwlagn_led_ops,
.shadow_ram_support = true,
.led_compensation = 51,
.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
- .supports_idle = true,
.adv_thermal_throttle = true,
.support_ct_kill_exit = true,
.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
.shadow_ram_support = true,
.led_compensation = 51,
.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
- .supports_idle = true,
.adv_thermal_throttle = true,
.support_ct_kill_exit = true,
.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
.shadow_ram_support = true,
.led_compensation = 57,
.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
- .supports_idle = true,
.adv_thermal_throttle = true,
.support_ct_kill_exit = true,
.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
};
#define IWL_DEVICE_6005 \
- .fw_name_pre = IWL6000G2A_FW_PRE, \
+ .fw_name_pre = IWL6005_FW_PRE, \
.ucode_api_max = IWL6000G2_UCODE_API_MAX, \
.ucode_api_min = IWL6000G2_UCODE_API_MIN, \
- .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, \
- .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, \
+ .eeprom_ver = EEPROM_6005_EEPROM_VERSION, \
+ .eeprom_calib_ver = EEPROM_6005_TX_POWER_VERSION, \
.ops = &iwl6000_ops, \
.mod_params = &iwlagn_mod_params, \
.base_params = &iwl6000_g2_base_params, \
};
#define IWL_DEVICE_6030 \
- .fw_name_pre = IWL6000G2B_FW_PRE, \
+ .fw_name_pre = IWL6030_FW_PRE, \
.ucode_api_max = IWL6000G2_UCODE_API_MAX, \
.ucode_api_min = IWL6000G2_UCODE_API_MIN, \
- .eeprom_ver = EEPROM_6000G2_EEPROM_VERSION, \
- .eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION, \
- .ops = &iwl6000g2b_ops, \
+ .eeprom_ver = EEPROM_6030_EEPROM_VERSION, \
+ .eeprom_calib_ver = EEPROM_6030_TX_POWER_VERSION, \
+ .ops = &iwl6030_ops, \
.mod_params = &iwlagn_mod_params, \
.base_params = &iwl6000_g2_base_params, \
.bt_params = &iwl6000_bt_params, \
.fw_name_pre = IWL6050_FW_PRE, \
.ucode_api_max = IWL6050_UCODE_API_MAX, \
.ucode_api_min = IWL6050_UCODE_API_MIN, \
+ .valid_tx_ant = ANT_AB, /* .cfg overwrite */ \
+ .valid_rx_ant = ANT_AB, /* .cfg overwrite */ \
.ops = &iwl6050_ops, \
.eeprom_ver = EEPROM_6050_EEPROM_VERSION, \
.eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION, \
.fw_name_pre = IWL6050_FW_PRE,
.ucode_api_max = IWL6050_UCODE_API_MAX,
.ucode_api_min = IWL6050_UCODE_API_MIN,
- .eeprom_ver = EEPROM_6050G2_EEPROM_VERSION,
- .eeprom_calib_ver = EEPROM_6050G2_TX_POWER_VERSION,
- .ops = &iwl6050g2_ops,
+ .eeprom_ver = EEPROM_6150_EEPROM_VERSION,
+ .eeprom_calib_ver = EEPROM_6150_TX_POWER_VERSION,
+ .ops = &iwl6150_ops,
.mod_params = &iwlagn_mod_params,
.base_params = &iwl6050_base_params,
.ht_params = &iwl6000_ht_params,
MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX));
-MODULE_FIRMWARE(IWL6000G2A_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));
-MODULE_FIRMWARE(IWL6000G2B_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL6005_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL6030_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));
#include "iwl-sta.h"
#include "iwl-agn-calib.h"
#include "iwl-agn.h"
+#include "iwl-agn-led.h"
/******************************************************************************
if (palive->is_valid == UCODE_VALID_OK)
queue_delayed_work(priv->workqueue, pwork,
msecs_to_jiffies(5));
- else
- IWL_WARN(priv, "uCode did not respond OK.\n");
+ else {
+ IWL_WARN(priv, "%s uCode did not respond OK.\n",
+ (palive->ver_subtype == INITIALIZE_SUBTYPE) ?
+ "init" : "runtime");
+ queue_work(priv->workqueue, &priv->restart);
+ }
}
static void iwl_bg_beacon_update(struct work_struct *work)
}
}
-static void iwl_rx_beacon_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+static void iwlagn_rx_beacon_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl4965_beacon_notif *beacon =
- (struct iwl4965_beacon_notif *)pkt->u.raw;
+ struct iwlagn_beacon_notif *beacon = (void *)pkt->u.raw;
#ifdef CONFIG_IWLWIFI_DEBUG
+ u16 status = le16_to_cpu(beacon->beacon_notify_hdr.status.status);
u8 rate = iwl_hw_get_rate(beacon->beacon_notify_hdr.rate_n_flags);
- IWL_DEBUG_RX(priv, "beacon status %x retries %d iss %d "
- "tsf %d %d rate %d\n",
- le32_to_cpu(beacon->beacon_notify_hdr.u.status) & TX_STATUS_MSK,
+ IWL_DEBUG_RX(priv, "beacon status %#x, retries:%d ibssmgr:%d "
+ "tsf:0x%.8x%.8x rate:%d\n",
+ status & TX_STATUS_MSK,
beacon->beacon_notify_hdr.failure_frame,
le32_to_cpu(beacon->ibss_mgr_status),
le32_to_cpu(beacon->high_tsf),
priv->rx_handlers[PM_SLEEP_NOTIFICATION] = iwl_rx_pm_sleep_notif;
priv->rx_handlers[PM_DEBUG_STATISTIC_NOTIFIC] =
iwl_rx_pm_debug_statistics_notif;
- priv->rx_handlers[BEACON_NOTIFICATION] = iwl_rx_beacon_notif;
+ priv->rx_handlers[BEACON_NOTIFICATION] = iwlagn_rx_beacon_notif;
/*
* The same handler is used for both the REPLY to a discrete
* the appropriate handlers, including command responses,
* frame-received notifications, and other notifications.
*/
-void iwl_rx_handle(struct iwl_priv *priv)
+static void iwl_rx_handle(struct iwl_priv *priv)
{
struct iwl_rx_mem_buffer *rxb;
struct iwl_rx_packet *pkt;
(pkt->hdr.cmd != STATISTICS_NOTIFICATION) &&
(pkt->hdr.cmd != REPLY_TX);
+ /*
+ * Do the notification wait before RX handlers so
+ * even if the RX handler consumes the RXB we have
+ * access to it in the notification wait entry.
+ */
+ if (!list_empty(&priv->_agn.notif_waits)) {
+ struct iwl_notification_wait *w;
+
+ spin_lock(&priv->_agn.notif_wait_lock);
+ list_for_each_entry(w, &priv->_agn.notif_waits, list) {
+ if (w->cmd == pkt->hdr.cmd) {
+ w->triggered = true;
+ if (w->fn)
+ w->fn(priv, pkt);
+ }
+ }
+ spin_unlock(&priv->_agn.notif_wait_lock);
+
+ wake_up_all(&priv->_agn.notif_waitq);
+ }
+
/* Based on type of command response or notification,
* handle those that need handling via function in
* rx_handlers table. See iwl_setup_rx_handlers() */
}
/* Re-enable all interrupts */
- /* only Re-enable if diabled by irq */
+ /* only Re-enable if disabled by irq */
if (test_bit(STATUS_INT_ENABLED, &priv->status))
iwl_enable_interrupts(priv);
+ /* Re-enable RF_KILL if it occurred */
+ else if (handled & CSR_INT_BIT_RF_KILL)
+ iwl_enable_rfkill_int(priv);
#ifdef CONFIG_IWLWIFI_DEBUG
if (iwl_get_debug_level(priv) & (IWL_DL_ISR)) {
}
/* Re-enable all interrupts */
- /* only Re-enable if diabled by irq */
+ /* only Re-enable if disabled by irq */
if (test_bit(STATUS_INT_ENABLED, &priv->status))
iwl_enable_interrupts(priv);
+ /* Re-enable RF_KILL if it occurred */
+ else if (handled & CSR_INT_BIT_RF_KILL)
+ iwl_enable_rfkill_int(priv);
}
/* the threshold ratio of actual_ack_cnt to expected_ack_cnt in percent */
/**
* iwl_good_ack_health - checks for ACK count ratios, BA timeout retries.
*
- * When the ACK count ratio is 0 and aggregated BA timeout retries exceeding
+ * When the ACK count ratio is low and aggregated BA timeout retries exceeding
* the BA_TIMEOUT_MAX, reload firmware and bring system back to normal
* operation state.
*/
-bool iwl_good_ack_health(struct iwl_priv *priv,
- struct iwl_rx_packet *pkt)
+bool iwl_good_ack_health(struct iwl_priv *priv, struct iwl_rx_packet *pkt)
{
- bool rc = true;
- int actual_ack_cnt_delta, expected_ack_cnt_delta;
- int ba_timeout_delta;
-
- actual_ack_cnt_delta =
- le32_to_cpu(pkt->u.stats.tx.actual_ack_cnt) -
- le32_to_cpu(priv->_agn.statistics.tx.actual_ack_cnt);
- expected_ack_cnt_delta =
- le32_to_cpu(pkt->u.stats.tx.expected_ack_cnt) -
- le32_to_cpu(priv->_agn.statistics.tx.expected_ack_cnt);
- ba_timeout_delta =
- le32_to_cpu(pkt->u.stats.tx.agg.ba_timeout) -
- le32_to_cpu(priv->_agn.statistics.tx.agg.ba_timeout);
- if ((priv->_agn.agg_tids_count > 0) &&
- (expected_ack_cnt_delta > 0) &&
- (((actual_ack_cnt_delta * 100) / expected_ack_cnt_delta)
- < ACK_CNT_RATIO) &&
- (ba_timeout_delta > BA_TIMEOUT_CNT)) {
- IWL_DEBUG_RADIO(priv, "actual_ack_cnt delta = %d,"
- " expected_ack_cnt = %d\n",
- actual_ack_cnt_delta, expected_ack_cnt_delta);
+ int actual_delta, expected_delta, ba_timeout_delta;
+ struct statistics_tx *cur, *old;
+
+ if (priv->_agn.agg_tids_count)
+ return true;
+
+ if (iwl_bt_statistics(priv)) {
+ cur = &pkt->u.stats_bt.tx;
+ old = &priv->_agn.statistics_bt.tx;
+ } else {
+ cur = &pkt->u.stats.tx;
+ old = &priv->_agn.statistics.tx;
+ }
+
+ actual_delta = le32_to_cpu(cur->actual_ack_cnt) -
+ le32_to_cpu(old->actual_ack_cnt);
+ expected_delta = le32_to_cpu(cur->expected_ack_cnt) -
+ le32_to_cpu(old->expected_ack_cnt);
+
+ /* Values should not be negative, but we do not trust the firmware */
+ if (actual_delta <= 0 || expected_delta <= 0)
+ return true;
+
+ ba_timeout_delta = le32_to_cpu(cur->agg.ba_timeout) -
+ le32_to_cpu(old->agg.ba_timeout);
+
+ if ((actual_delta * 100 / expected_delta) < ACK_CNT_RATIO &&
+ ba_timeout_delta > BA_TIMEOUT_CNT) {
+ IWL_DEBUG_RADIO(priv, "deltas: actual %d expected %d ba_timeout %d\n",
+ actual_delta, expected_delta, ba_timeout_delta);
#ifdef CONFIG_IWLWIFI_DEBUGFS
/*
* statistics aren't available. If DEBUGFS is set but
* DEBUG is not, these will just compile out.
*/
- IWL_DEBUG_RADIO(priv, "rx_detected_cnt delta = %d\n",
+ IWL_DEBUG_RADIO(priv, "rx_detected_cnt delta %d\n",
priv->_agn.delta_statistics.tx.rx_detected_cnt);
IWL_DEBUG_RADIO(priv,
- "ack_or_ba_timeout_collision delta = %d\n",
- priv->_agn.delta_statistics.tx.
- ack_or_ba_timeout_collision);
+ "ack_or_ba_timeout_collision delta %d\n",
+ priv->_agn.delta_statistics.tx.ack_or_ba_timeout_collision);
#endif
- IWL_DEBUG_RADIO(priv, "agg ba_timeout delta = %d\n",
- ba_timeout_delta);
- if (!actual_ack_cnt_delta &&
- (ba_timeout_delta >= BA_TIMEOUT_MAX))
- rc = false;
+
+ if (ba_timeout_delta >= BA_TIMEOUT_MAX)
+ return false;
}
- return rc;
+
+ return true;
}
IWL_DEBUG_INFO(priv, "Runtime Alive received.\n");
- if (priv->card_alive.is_valid != UCODE_VALID_OK) {
- /* We had an error bringing up the hardware, so take it
- * all the way back down so we can try again */
- IWL_DEBUG_INFO(priv, "Alive failed.\n");
- goto restart;
- }
-
/* Initialize uCode has loaded Runtime uCode ... verify inst image.
* This is a paranoid check, because we would not have gotten the
* "runtime" alive if code weren't properly loaded. */
/* At this point, the NIC is initialized and operational */
iwl_rf_kill_ct_config(priv);
- iwl_leds_init(priv);
-
IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n");
wake_up_interruptible(&priv->wait_command_queue);
priv->cfg->bt_params->bt_init_traffic_load;
else
priv->bt_traffic_load = 0;
- priv->bt_sco_active = false;
priv->bt_full_concurrent = false;
priv->bt_ci_compliance = 0;
}
if (priv->start_calib) {
- if (priv->cfg->bt_params &&
- priv->cfg->bt_params->bt_statistics) {
+ if (iwl_bt_statistics(priv)) {
iwl_chain_noise_calibration(priv,
(void *)&priv->_agn.statistics_bt);
iwl_sensitivity_calibration(priv,
if (test_and_clear_bit(STATUS_FW_ERROR, &priv->status)) {
struct iwl_rxon_context *ctx;
- bool bt_sco, bt_full_concurrent;
+ bool bt_full_concurrent;
u8 bt_ci_compliance;
u8 bt_load;
u8 bt_status;
* re-configure the hw when we reconfigure the BT
* command.
*/
- bt_sco = priv->bt_sco_active;
bt_full_concurrent = priv->bt_full_concurrent;
bt_ci_compliance = priv->bt_ci_compliance;
bt_load = priv->bt_traffic_load;
__iwl_down(priv);
- priv->bt_sco_active = bt_sco;
priv->bt_full_concurrent = bt_full_concurrent;
priv->bt_ci_compliance = bt_ci_compliance;
priv->bt_traffic_load = bt_load;
IEEE80211_HW_SPECTRUM_MGMT |
IEEE80211_HW_REPORTS_TX_ACK_STATUS;
+ hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF;
+
if (!priv->cfg->base_params->broken_powersave)
hw->flags |= IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
hw->wiphy->interface_modes |= ctx->exclusive_interface_modes;
}
+ hw->wiphy->max_remain_on_channel_duration = 1000;
+
hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
- WIPHY_FLAG_DISABLE_BEACON_HINTS;
+ WIPHY_FLAG_DISABLE_BEACON_HINTS |
+ WIPHY_FLAG_IBSS_RSN;
/*
* For now, disable PS by default because it affects
priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
&priv->bands[IEEE80211_BAND_5GHZ];
+ iwl_leds_init(priv);
+
ret = ieee80211_register_hw(priv->hw);
if (ret) {
IWL_ERR(priv, "Failed to register hw (error %d)\n", ret);
}
}
- iwl_led_start(priv);
+ iwlagn_led_enable(priv);
out:
priv->is_open = 1;
return -EOPNOTSUPP;
}
+ /*
+ * To support IBSS RSN, don't program group keys in IBSS, the
+ * hardware will then not attempt to decrypt the frames.
+ */
+ if (vif->type == NL80211_IFTYPE_ADHOC &&
+ !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
+ return -EOPNOTSUPP;
+
sta_id = iwl_sta_id_or_broadcast(priv, vif_priv->ctx, sta);
if (sta_id == IWL_INVALID_STATION)
return -EINVAL;
int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
enum ieee80211_ampdu_mlme_action action,
- struct ieee80211_sta *sta, u16 tid, u16 *ssn)
+ struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+ u8 buf_size)
{
struct iwl_priv *priv = hw->priv;
int ret = -EINVAL;
+ struct iwl_station_priv *sta_priv = (void *) sta->drv_priv;
IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n",
sta->addr, tid);
}
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
+ /*
+ * If the limit is 0, then it wasn't initialised yet,
+ * use the default. We can do that since we take the
+ * minimum below, and we don't want to go above our
+ * default due to hardware restrictions.
+ */
+ if (sta_priv->max_agg_bufsize == 0)
+ sta_priv->max_agg_bufsize =
+ LINK_QUAL_AGG_FRAME_LIMIT_DEF;
+
+ /*
+ * Even though in theory the peer could have different
+ * aggregation reorder buffer sizes for different sessions,
+ * our ucode doesn't allow for that and has a global limit
+ * for each station. Therefore, use the minimum of all the
+ * aggregation sessions and our default value.
+ */
+ sta_priv->max_agg_bufsize =
+ min(sta_priv->max_agg_bufsize, buf_size);
+
if (priv->cfg->ht_params &&
priv->cfg->ht_params->use_rts_for_aggregation) {
- struct iwl_station_priv *sta_priv =
- (void *) sta->drv_priv;
-
/*
* switch to RTS/CTS if it is the prefer protection
* method for HT traffic
sta_priv->lq_sta.lq.general_params.flags |=
LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK;
- iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
- &sta_priv->lq_sta.lq, CMD_ASYNC, false);
}
+
+ sta_priv->lq_sta.lq.agg_params.agg_frame_cnt_limit =
+ sta_priv->max_agg_bufsize;
+
+ iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
+ &sta_priv->lq_sta.lq, CMD_ASYNC, false);
ret = 0;
break;
}
IWL_DEBUG_MAC80211(priv, "leave\n");
}
+static void iwlagn_disable_roc(struct iwl_priv *priv)
+{
+ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN];
+ struct ieee80211_channel *chan = ACCESS_ONCE(priv->hw->conf.channel);
+
+ lockdep_assert_held(&priv->mutex);
+
+ if (!ctx->is_active)
+ return;
+
+ ctx->staging.dev_type = RXON_DEV_TYPE_2STA;
+ ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+ iwl_set_rxon_channel(priv, chan, ctx);
+ iwl_set_flags_for_band(priv, ctx, chan->band, NULL);
+
+ priv->_agn.hw_roc_channel = NULL;
+
+ iwlcore_commit_rxon(priv, ctx);
+
+ ctx->is_active = false;
+}
+
+static void iwlagn_bg_roc_done(struct work_struct *work)
+{
+ struct iwl_priv *priv = container_of(work, struct iwl_priv,
+ _agn.hw_roc_work.work);
+
+ mutex_lock(&priv->mutex);
+ ieee80211_remain_on_channel_expired(priv->hw);
+ iwlagn_disable_roc(priv);
+ mutex_unlock(&priv->mutex);
+}
+
+#ifdef CONFIG_IWL5000
+static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw,
+ struct ieee80211_channel *channel,
+ enum nl80211_channel_type channel_type,
+ int duration)
+{
+ struct iwl_priv *priv = hw->priv;
+ int err = 0;
+
+ if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
+ return -EOPNOTSUPP;
+
+ if (!(priv->contexts[IWL_RXON_CTX_PAN].interface_modes &
+ BIT(NL80211_IFTYPE_P2P_CLIENT)))
+ return -EOPNOTSUPP;
+
+ mutex_lock(&priv->mutex);
+
+ if (priv->contexts[IWL_RXON_CTX_PAN].is_active ||
+ test_bit(STATUS_SCAN_HW, &priv->status)) {
+ err = -EBUSY;
+ goto out;
+ }
+
+ priv->contexts[IWL_RXON_CTX_PAN].is_active = true;
+ priv->_agn.hw_roc_channel = channel;
+ priv->_agn.hw_roc_chantype = channel_type;
+ priv->_agn.hw_roc_duration = DIV_ROUND_UP(duration * 1000, 1024);
+ iwlcore_commit_rxon(priv, &priv->contexts[IWL_RXON_CTX_PAN]);
+ queue_delayed_work(priv->workqueue, &priv->_agn.hw_roc_work,
+ msecs_to_jiffies(duration + 20));
+
+ msleep(IWL_MIN_SLOT_TIME); /* TU is almost ms */
+ ieee80211_ready_on_channel(priv->hw);
+
+ out:
+ mutex_unlock(&priv->mutex);
+
+ return err;
+}
+
+static int iwl_mac_cancel_remain_on_channel(struct ieee80211_hw *hw)
+{
+ struct iwl_priv *priv = hw->priv;
+
+ if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
+ return -EOPNOTSUPP;
+
+ cancel_delayed_work_sync(&priv->_agn.hw_roc_work);
+
+ mutex_lock(&priv->mutex);
+ iwlagn_disable_roc(priv);
+ mutex_unlock(&priv->mutex);
+
+ return 0;
+}
+#endif
+
/*****************************************************************************
*
* driver setup and teardown
INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config);
INIT_DELAYED_WORK(&priv->init_alive_start, iwl_bg_init_alive_start);
INIT_DELAYED_WORK(&priv->alive_start, iwl_bg_alive_start);
+ INIT_DELAYED_WORK(&priv->_agn.hw_roc_work, iwlagn_bg_roc_done);
iwl_setup_scan_deferred_work(priv);
.channel_switch = iwlagn_mac_channel_switch,
.flush = iwlagn_mac_flush,
.tx_last_beacon = iwl_mac_tx_last_beacon,
+ .remain_on_channel = iwl_mac_remain_on_channel,
+ .cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel,
};
#endif
priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE;
priv->contexts[IWL_RXON_CTX_PAN].interface_modes =
BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP);
+#ifdef CONFIG_IWL_P2P
+ priv->contexts[IWL_RXON_CTX_PAN].interface_modes |=
+ BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO);
+#endif
priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP;
priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA;
priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P;
* we need to set STATUS_EXIT_PENDING bit.
*/
set_bit(STATUS_EXIT_PENDING, &priv->status);
+
+ iwl_leds_exit(priv);
+
if (priv->mac80211_registered) {
ieee80211_unregister_hw(priv->hw);
priv->mac80211_registered = 0;
{IWL_PCI_DEVICE(0x0896, 0x5025, iwl130_bgn_cfg)},
{IWL_PCI_DEVICE(0x0896, 0x5027, iwl130_bg_cfg)},
+/* 2x00 Series */
+ {IWL_PCI_DEVICE(0x0890, 0x4022, iwl2000_2bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0891, 0x4222, iwl2000_2bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0890, 0x4422, iwl2000_2bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0890, 0x4026, iwl2000_2bg_cfg)},
+ {IWL_PCI_DEVICE(0x0891, 0x4226, iwl2000_2bg_cfg)},
+ {IWL_PCI_DEVICE(0x0890, 0x4426, iwl2000_2bg_cfg)},
+
+/* 2x30 Series */
+ {IWL_PCI_DEVICE(0x0887, 0x4062, iwl2030_2bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0888, 0x4262, iwl2030_2bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0887, 0x4462, iwl2030_2bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0887, 0x4066, iwl2030_2bg_cfg)},
+ {IWL_PCI_DEVICE(0x0888, 0x4266, iwl2030_2bg_cfg)},
+ {IWL_PCI_DEVICE(0x0887, 0x4466, iwl2030_2bg_cfg)},
+
+/* 6x35 Series */
+ {IWL_PCI_DEVICE(0x088E, 0x4060, iwl6035_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x088E, 0x4064, iwl6035_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x088F, 0x4264, iwl6035_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x088E, 0x4464, iwl6035_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x088E, 0x4066, iwl6035_2bg_cfg)},
+ {IWL_PCI_DEVICE(0x088F, 0x4266, iwl6035_2bg_cfg)},
+ {IWL_PCI_DEVICE(0x088E, 0x4466, iwl6035_2bg_cfg)},
+
+/* 200 Series */
+ {IWL_PCI_DEVICE(0x0894, 0x0022, iwl200_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0895, 0x0222, iwl200_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0894, 0x0422, iwl200_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0894, 0x0026, iwl200_bg_cfg)},
+ {IWL_PCI_DEVICE(0x0895, 0x0226, iwl200_bg_cfg)},
+ {IWL_PCI_DEVICE(0x0894, 0x0426, iwl200_bg_cfg)},
+
+/* 230 Series */
+ {IWL_PCI_DEVICE(0x0892, 0x0062, iwl230_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0893, 0x0262, iwl230_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0892, 0x0462, iwl230_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0892, 0x0066, iwl230_bg_cfg)},
+ {IWL_PCI_DEVICE(0x0893, 0x0266, iwl230_bg_cfg)},
+ {IWL_PCI_DEVICE(0x0892, 0x0466, iwl230_bg_cfg)},
+
#endif /* CONFIG_IWL5000 */
{0}
rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
break;
case QID_BEACON:
+ /*
+ * Allow beacon tasklets to be scheduled for periodic
+ * beacon updates.
+ */
+ tasklet_enable(&rt2x00dev->tbtt_tasklet);
+ tasklet_enable(&rt2x00dev->pretbtt_tasklet);
+
rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®);
rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1);
rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1);
rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1);
rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+
+ rt2800_register_read(rt2x00dev, INT_TIMER_EN, ®);
+ rt2x00_set_field32(®, INT_TIMER_EN_PRE_TBTT_TIMER, 1);
+ rt2800_register_write(rt2x00dev, INT_TIMER_EN, reg);
break;
default:
break;
rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 0);
rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0);
rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+
+ rt2800_register_read(rt2x00dev, INT_TIMER_EN, ®);
+ rt2x00_set_field32(®, INT_TIMER_EN_PRE_TBTT_TIMER, 0);
+ rt2800_register_write(rt2x00dev, INT_TIMER_EN, reg);
+
+ /*
+ * Wait for tbtt tasklets to finish.
+ */
+ tasklet_disable(&rt2x00dev->tbtt_tasklet);
+ tasklet_disable(&rt2x00dev->pretbtt_tasklet);
break;
default:
break;
static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
enum dev_state state)
{
- int mask = (state == STATE_RADIO_IRQ_ON) ||
- (state == STATE_RADIO_IRQ_ON_ISR);
+ int mask = (state == STATE_RADIO_IRQ_ON);
u32 reg;
+ unsigned long flags;
/*
* When interrupts are being enabled, the interrupt registers
if (state == STATE_RADIO_IRQ_ON) {
rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, ®);
rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
+
+ /*
+ * Enable tasklets. The beacon related tasklets are
+ * enabled when the beacon queue is started.
+ */
+ tasklet_enable(&rt2x00dev->txstatus_tasklet);
+ tasklet_enable(&rt2x00dev->rxdone_tasklet);
+ tasklet_enable(&rt2x00dev->autowake_tasklet);
}
+ spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags);
rt2800_register_read(rt2x00dev, INT_MASK_CSR, ®);
rt2x00_set_field32(®, INT_MASK_CSR_RXDELAYINT, 0);
rt2x00_set_field32(®, INT_MASK_CSR_TXDELAYINT, 0);
rt2x00_set_field32(®, INT_MASK_CSR_RX_COHERENT, 0);
rt2x00_set_field32(®, INT_MASK_CSR_TX_COHERENT, 0);
rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg);
+ spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags);
+
+ if (state == STATE_RADIO_IRQ_OFF) {
+ /*
+ * Ensure that all tasklets are finished before
+ * disabling the interrupts.
+ */
+ tasklet_disable(&rt2x00dev->txstatus_tasklet);
+ tasklet_disable(&rt2x00dev->rxdone_tasklet);
+ tasklet_disable(&rt2x00dev->autowake_tasklet);
+ }
}
static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
{
- u32 reg;
-
- rt2800_disable_radio(rt2x00dev);
-
- rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001280);
-
- rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, ®);
- rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, 1);
- rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX1, 1);
- rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX2, 1);
- rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX3, 1);
- rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX4, 1);
- rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX5, 1);
- rt2x00_set_field32(®, WPDMA_RST_IDX_DRX_IDX0, 1);
- rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
-
- rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
- rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
+ if (rt2x00_is_soc(rt2x00dev)) {
+ rt2800_disable_radio(rt2x00dev);
+ rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0);
+ rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
+ }
}
static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
enum dev_state state)
{
- /*
- * Always put the device to sleep (even when we intend to wakeup!)
- * if the device is booting and wasn't asleep it will return
- * failure when attempting to wakeup.
- */
- rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
-
if (state == STATE_AWAKE) {
- rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0);
+ rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0x02);
rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP);
+ } else if (state == STATE_SLEEP) {
+ rt2800_register_write(rt2x00dev, H2M_MAILBOX_STATUS, 0xffffffff);
+ rt2800_register_write(rt2x00dev, H2M_MAILBOX_CID, 0xffffffff);
+ rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0x01, 0xff, 0x01);
}
return 0;
rt2800pci_set_state(rt2x00dev, STATE_SLEEP);
break;
case STATE_RADIO_IRQ_ON:
- case STATE_RADIO_IRQ_ON_ISR:
case STATE_RADIO_IRQ_OFF:
- case STATE_RADIO_IRQ_OFF_ISR:
rt2800pci_toggle_irq(rt2x00dev, state);
break;
case STATE_DEEP_SLEEP:
*/
rxdesc->flags |= RX_FLAG_IV_STRIPPED;
+ /*
+ * The hardware has already checked the Michael Mic and has
+ * stripped it from the frame. Signal this to mac80211.
+ */
+ rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
+
if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
rxdesc->flags |= RX_FLAG_DECRYPTED;
else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
}
}
-static void rt2800pci_txstatus_tasklet(unsigned long data)
+static void rt2800pci_enable_interrupt(struct rt2x00_dev *rt2x00dev,
+ struct rt2x00_field32 irq_field)
{
- rt2800pci_txdone((struct rt2x00_dev *)data);
-}
-
-static irqreturn_t rt2800pci_interrupt_thread(int irq, void *dev_instance)
-{
- struct rt2x00_dev *rt2x00dev = dev_instance;
- u32 reg = rt2x00dev->irqvalue[0];
+ unsigned long flags;
+ u32 reg;
/*
- * 1 - Pre TBTT interrupt.
+ * Enable a single interrupt. The interrupt mask register
+ * access needs locking.
*/
- if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT))
- rt2x00lib_pretbtt(rt2x00dev);
+ spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags);
+ rt2800_register_read(rt2x00dev, INT_MASK_CSR, ®);
+ rt2x00_set_field32(®, irq_field, 1);
+ rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg);
+ spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags);
+}
- /*
- * 2 - Beacondone interrupt.
- */
- if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT))
- rt2x00lib_beacondone(rt2x00dev);
+static void rt2800pci_txstatus_tasklet(unsigned long data)
+{
+ rt2800pci_txdone((struct rt2x00_dev *)data);
/*
- * 3 - Rx ring done interrupt.
+ * No need to enable the tx status interrupt here as we always
+ * leave it enabled to minimize the possibility of a tx status
+ * register overflow. See comment in interrupt handler.
*/
- if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE))
- rt2x00pci_rxdone(rt2x00dev);
+}
- /*
- * 4 - Auto wakeup interrupt.
- */
- if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP))
- rt2800pci_wakeup(rt2x00dev);
+static void rt2800pci_pretbtt_tasklet(unsigned long data)
+{
+ struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+ rt2x00lib_pretbtt(rt2x00dev);
+ rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_PRE_TBTT);
+}
- /* Enable interrupts again. */
- rt2x00dev->ops->lib->set_device_state(rt2x00dev,
- STATE_RADIO_IRQ_ON_ISR);
+static void rt2800pci_tbtt_tasklet(unsigned long data)
+{
+ struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+ rt2x00lib_beacondone(rt2x00dev);
+ rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_TBTT);
+}
- return IRQ_HANDLED;
+static void rt2800pci_rxdone_tasklet(unsigned long data)
+{
+ struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+ rt2x00pci_rxdone(rt2x00dev);
+ rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_RX_DONE);
+}
+
+static void rt2800pci_autowake_tasklet(unsigned long data)
+{
+ struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+ rt2800pci_wakeup(rt2x00dev);
+ rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_AUTO_WAKEUP);
}
static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev)
static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
{
struct rt2x00_dev *rt2x00dev = dev_instance;
- u32 reg;
- irqreturn_t ret = IRQ_HANDLED;
+ u32 reg, mask;
+ unsigned long flags;
/* Read status and ACK all interrupts */
rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, ®);
if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
return IRQ_HANDLED;
- if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS))
- rt2800pci_txstatus_interrupt(rt2x00dev);
+ /*
+ * Since INT_MASK_CSR and INT_SOURCE_CSR use the same bits
+ * for interrupts and interrupt masks we can just use the value of
+ * INT_SOURCE_CSR to create the interrupt mask.
+ */
+ mask = ~reg;
- if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT) ||
- rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT) ||
- rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE) ||
- rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP)) {
+ if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) {
+ rt2800pci_txstatus_interrupt(rt2x00dev);
/*
- * All other interrupts are handled in the interrupt thread.
- * Store irqvalue for use in the interrupt thread.
+ * Never disable the TX_FIFO_STATUS interrupt.
*/
- rt2x00dev->irqvalue[0] = reg;
+ rt2x00_set_field32(&mask, INT_MASK_CSR_TX_FIFO_STATUS, 1);
+ }
- /*
- * Disable interrupts, will be enabled again in the
- * interrupt thread.
- */
- rt2x00dev->ops->lib->set_device_state(rt2x00dev,
- STATE_RADIO_IRQ_OFF_ISR);
+ if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT))
+ tasklet_hi_schedule(&rt2x00dev->pretbtt_tasklet);
- /*
- * Leave the TX_FIFO_STATUS interrupt enabled to not lose any
- * tx status reports.
- */
- rt2800_register_read(rt2x00dev, INT_MASK_CSR, ®);
- rt2x00_set_field32(®, INT_MASK_CSR_TX_FIFO_STATUS, 1);
- rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg);
+ if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT))
+ tasklet_hi_schedule(&rt2x00dev->tbtt_tasklet);
- ret = IRQ_WAKE_THREAD;
- }
+ if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE))
+ tasklet_schedule(&rt2x00dev->rxdone_tasklet);
- return ret;
+ if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP))
+ tasklet_schedule(&rt2x00dev->autowake_tasklet);
+
+ /*
+ * Disable all interrupts for which a tasklet was scheduled right now,
+ * the tasklet will reenable the appropriate interrupts.
+ */
+ spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags);
+ rt2800_register_read(rt2x00dev, INT_MASK_CSR, ®);
+ reg &= mask;
+ rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg);
+ spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags);
+
+ return IRQ_HANDLED;
}
/*
static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
.irq_handler = rt2800pci_interrupt,
- .irq_handler_thread = rt2800pci_interrupt_thread,
- .txstatus_tasklet = rt2800pci_txstatus_tasklet,
+ .txstatus_tasklet = rt2800pci_txstatus_tasklet,
+ .pretbtt_tasklet = rt2800pci_pretbtt_tasklet,
+ .tbtt_tasklet = rt2800pci_tbtt_tasklet,
+ .rxdone_tasklet = rt2800pci_rxdone_tasklet,
+ .autowake_tasklet = rt2800pci_autowake_tasklet,
.probe_hw = rt2800pci_probe_hw,
.get_firmware_name = rt2800pci_get_firmware_name,
.check_firmware = rt2800_check_firmware,
.write_tx_desc = rt2800pci_write_tx_desc,
.write_tx_data = rt2800_write_tx_data,
.write_beacon = rt2800_write_beacon,
+ .clear_beacon = rt2800_clear_beacon,
.fill_rxdone = rt2800pci_fill_rxdone,
.config_shared_key = rt2800_config_shared_key,
.config_pairwise_key = rt2800_config_pairwise_key,
{ PCI_DEVICE(0x1814, 0x3390), PCI_DEVICE_DATA(&rt2800pci_ops) },
#endif
#ifdef CONFIG_RT2800PCI_RT35XX
+ { PCI_DEVICE(0x1432, 0x7711), PCI_DEVICE_DATA(&rt2800pci_ops) },
+ { PCI_DEVICE(0x1432, 0x7722), PCI_DEVICE_DATA(&rt2800pci_ops) },
{ PCI_DEVICE(0x1814, 0x3060), PCI_DEVICE_DATA(&rt2800pci_ops) },
{ PCI_DEVICE(0x1814, 0x3062), PCI_DEVICE_DATA(&rt2800pci_ops) },
{ PCI_DEVICE(0x1814, 0x3562), PCI_DEVICE_DATA(&rt2800pci_ops) },
wl->psm = 0;
wl->tx_queue_stopped = false;
wl->power_level = WL1251_DEFAULT_POWER_LEVEL;
+ wl->rssi_thold = 0;
wl->channel = WL1251_DEFAULT_CHANNEL;
wl1251_debugfs_reset(wl);
if (ret < 0)
goto out;
+ if (changed & BSS_CHANGED_CQM) {
+ ret = wl1251_acx_low_rssi(wl, bss_conf->cqm_rssi_thold,
+ WL1251_DEFAULT_LOW_RSSI_WEIGHT,
+ WL1251_DEFAULT_LOW_RSSI_DEPTH,
+ WL1251_ACX_LOW_RSSI_TYPE_EDGE);
+ if (ret < 0)
+ goto out;
+ wl->rssi_thold = bss_conf->cqm_rssi_thold;
+ }
+
if (changed & BSS_CHANGED_BSSID) {
memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN);
if (changed & BSS_CHANGED_BEACON) {
beacon = ieee80211_beacon_get(hw, vif);
+ if (!beacon)
+ goto out_sleep;
+
ret = wl1251_cmd_template_set(wl, CMD_BEACON, beacon->data,
beacon->len);
wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_BEACON_FILTER |
- IEEE80211_HW_SUPPORTS_UAPSD;
+ IEEE80211_HW_SUPPORTS_UAPSD |
+ IEEE80211_HW_SUPPORTS_CQM_RSSI;
- wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+ wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_ADHOC);
wl->hw->wiphy->max_scan_ssids = 1;
wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1251_band_2ghz;
wl->psm_requested = false;
wl->tx_queue_stopped = false;
wl->power_level = WL1251_DEFAULT_POWER_LEVEL;
+ wl->rssi_thold = 0;
wl->beacon_int = WL1251_DEFAULT_BEACON_INT;
wl->dtim_period = WL1251_DEFAULT_DTIM_PERIOD;
wl->vif = NULL;
{
struct ieee80211_local *local = wiphy_priv(wiphy);
struct ieee80211_sub_if_data *sdata = NULL;
+ struct ieee80211_channel *old_oper;
+ enum nl80211_channel_type old_oper_type;
+ enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT;
if (netdev)
sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
break;
}
- local->oper_channel = chan;
+ if (sdata)
+ old_vif_oper_type = sdata->vif.bss_conf.channel_type;
+ old_oper_type = local->_oper_channel_type;
if (!ieee80211_set_channel_type(local, sdata, channel_type))
return -EBUSY;
- ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
- if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR)
+ old_oper = local->oper_channel;
+ local->oper_channel = chan;
+
+ /* Update driver if changes were actually made. */
+ if ((old_oper != local->oper_channel) ||
+ (old_oper_type != local->_oper_channel_type))
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
+
+ if ((sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) &&
+ old_vif_oper_type != sdata->vif.bss_conf.channel_type)
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
return 0;
case NL80211_IFTYPE_P2P_GO:
if (sdata->local->ops->hw_scan)
break;
- /* FIXME: implement NoA while scanning in software */
- return -EOPNOTSUPP;
+ /*
+ * FIXME: implement NoA while scanning in software,
+ * for now fall through to allow scanning only when
+ * beaconing hasn't been configured yet
+ */
case NL80211_IFTYPE_AP:
if (sdata->u.ap.beacon)
return -EOPNOTSUPP;
*cookie ^= 2;
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
local->hw_roc_skb = skb;
+ local->hw_roc_skb_for_status = skb;
mutex_unlock(&local->mtx);
return 0;
wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
wk->chan = chan;
+ wk->chan_type = channel_type;
wk->sdata = sdata;
wk->done = ieee80211_offchan_tx_done;
wk->offchan_tx.frame = skb;
if (ret == 0) {
kfree_skb(local->hw_roc_skb);
local->hw_roc_skb = NULL;
+ local->hw_roc_skb_for_status = NULL;
}
mutex_unlock(&local->mtx);
struct sk_buff_head ps_bc_buf;
atomic_t num_sta_ps; /* number of stations in PS mode */
int dtim_count;
+ bool dtim_bc_mc;
};
struct ieee80211_if_wds {
* well be on the operating channel
* @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to
* determine if we are on the operating channel or not
- * @SCAN_OFF_CHANNEL: We're off our operating channel for scanning,
- * gets only set in conjunction with SCAN_SW_SCANNING
* @SCAN_COMPLETED: Set for our scan work function when the driver reported
* that the scan completed.
* @SCAN_ABORTED: Set for our scan work function when the driver reported
enum {
SCAN_SW_SCANNING,
SCAN_HW_SCANNING,
- SCAN_OFF_CHANNEL,
SCAN_COMPLETED,
SCAN_ABORTED,
};
struct ieee80211_channel *hw_roc_channel;
struct net_device *hw_roc_dev;
- struct sk_buff *hw_roc_skb;
+ struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status;
struct work_struct hw_roc_start, hw_roc_done;
enum nl80211_channel_type hw_roc_channel_type;
unsigned int hw_roc_duration;
void ieee80211_configure_filter(struct ieee80211_local *local);
u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
-extern bool ieee80211_disable_40mhz_24ghz;
-
/* STA code */
void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_bss *bss);
/* off-channel helpers */
-void ieee80211_offchannel_stop_beaconing(struct ieee80211_local *local);
-void ieee80211_offchannel_stop_station(struct ieee80211_local *local);
+bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local);
+void ieee80211_offchannel_enable_all_ps(struct ieee80211_local *local,
+ bool tell_ap);
+void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
+ bool offchannel_ps_enable);
void ieee80211_offchannel_return(struct ieee80211_local *local,
- bool enable_beaconing);
+ bool enable_beaconing,
+ bool offchannel_ps_disable);
void ieee80211_hw_roc_setup(struct ieee80211_local *local);
/* interface handling */
#include "rate.h"
#include "led.h"
-#define IEEE80211_MAX_NULLFUNC_TRIES 2
-#define IEEE80211_MAX_PROBE_TRIES 5
+static int max_nullfunc_tries = 2;
+module_param(max_nullfunc_tries, int, 0644);
+MODULE_PARM_DESC(max_nullfunc_tries,
+ "Maximum nullfunc tx tries before disconnecting (reason 4).");
+
+static int max_probe_tries = 5;
+module_param(max_probe_tries, int, 0644);
+MODULE_PARM_DESC(max_probe_tries,
+ "Maximum probe tries before disconnecting (reason 4).");
/*
* Beacon loss timeout is calculated as N frames times the
* a probe request because of beacon loss or for
* checking the connection still works.
*/
-#define IEEE80211_PROBE_WAIT (HZ / 2)
+static int probe_wait_ms = 500;
+module_param(probe_wait_ms, int, 0644);
+MODULE_PARM_DESC(probe_wait_ms,
+ "Maximum time(ms) to wait for probe response"
+ " before disconnecting (reason 4).");
/*
* Weight given to the latest Beacon frame when calculating average signal
struct ieee80211_supported_band *sband;
struct sta_info *sta;
u32 changed = 0;
+ int hti_cfreq;
u16 ht_opmode;
bool enable_ht = true;
enum nl80211_channel_type prev_chantype;
if (!sband->ht_cap.ht_supported)
enable_ht = false;
- /* check that channel matches the right operating channel */
- if (local->hw.conf.channel->center_freq !=
- ieee80211_channel_to_frequency(hti->control_chan))
- enable_ht = false;
+ if (enable_ht) {
+ hti_cfreq = ieee80211_channel_to_frequency(hti->control_chan,
+ sband->band);
+ /* check that channel matches the right operating channel */
+ if (local->hw.conf.channel->center_freq != hti_cfreq) {
+ /* Some APs mess this up, evidently.
+ * Netgear WNDR3700 sometimes reports 4 higher than
+ * the actual channel, for instance.
+ */
+ printk(KERN_DEBUG
+ "%s: Wrong control channel in association"
+ " response: configured center-freq: %d"
+ " hti-cfreq: %d hti->control_chan: %d"
+ " band: %d. Disabling HT.\n",
+ sdata->name,
+ local->hw.conf.channel->center_freq,
+ hti_cfreq, hti->control_chan,
+ sband->band);
+ enable_ht = false;
+ }
+ }
if (enable_ht) {
channel_type = NL80211_CHAN_HT20;
container_of((void *)bss, struct cfg80211_bss, priv);
struct ieee80211_channel *new_ch;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- int new_freq = ieee80211_channel_to_frequency(sw_elem->new_ch_num);
+ int new_freq = ieee80211_channel_to_frequency(sw_elem->new_ch_num,
+ cbss->channel->band);
ASSERT_MGD_MTX(ifmgd);
list_for_each_entry(sdata, &local->interfaces, list) {
if (!ieee80211_sdata_running(sdata))
continue;
+ if (sdata->vif.type == NL80211_IFTYPE_AP) {
+ /* If an AP vif is found, then disable PS
+ * by setting the count to zero thereby setting
+ * ps_sdata to NULL.
+ */
+ count = 0;
+ break;
+ }
if (sdata->vif.type != NL80211_IFTYPE_STATION)
continue;
found = sdata;
if (is_multicast_ether_addr(hdr->addr1))
return;
+ /*
+ * In case we receive frames after disassociation.
+ */
+ if (!sdata->u.mgd.associated)
+ return;
+
ieee80211_sta_reset_conn_monitor(sdata);
}
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
const u8 *ssid;
u8 *dst = ifmgd->associated->bssid;
- u8 unicast_limit = max(1, IEEE80211_MAX_PROBE_TRIES - 3);
+ u8 unicast_limit = max(1, max_probe_tries - 3);
/*
* Try sending broadcast probe requests for the last three
}
ifmgd->probe_send_count++;
- ifmgd->probe_timeout = jiffies + IEEE80211_PROBE_WAIT;
+ ifmgd->probe_timeout = jiffies + msecs_to_jiffies(probe_wait_ms);
run_again(ifmgd, ifmgd->probe_timeout);
}
memcpy(bssid, ifmgd->associated->bssid, ETH_ALEN);
- printk(KERN_DEBUG "Connection to AP %pM lost.\n", bssid);
+ printk(KERN_DEBUG "%s: Connection to AP %pM lost.\n",
+ sdata->name, bssid);
ieee80211_set_disassoc(sdata, true, true);
mutex_unlock(&ifmgd->mtx);
}
if (elems->ds_params && elems->ds_params_len == 1)
- freq = ieee80211_channel_to_frequency(elems->ds_params[0]);
+ freq = ieee80211_channel_to_frequency(elems->ds_params[0],
+ rx_status->band);
else
freq = rx_status->freq;
memcpy(bssid, ifmgd->associated->bssid, ETH_ALEN);
if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
- max_tries = IEEE80211_MAX_NULLFUNC_TRIES;
+ max_tries = max_nullfunc_tries;
else
- max_tries = IEEE80211_MAX_PROBE_TRIES;
+ max_tries = max_probe_tries;
/* ACK received for nullfunc probing frame */
if (!ifmgd->probe_send_count)
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
wiphy_debug(local->hw.wiphy,
"%s: No ack for nullfunc frame to"
- " AP %pM, try %d\n",
+ " AP %pM, try %d/%i\n",
sdata->name, bssid,
- ifmgd->probe_send_count);
+ ifmgd->probe_send_count, max_tries);
#endif
ieee80211_mgd_probe_ap_send(sdata);
} else {
"%s: Failed to send nullfunc to AP %pM"
" after %dms, disconnecting.\n",
sdata->name,
- bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ);
+ bssid, probe_wait_ms);
#endif
ieee80211_sta_connection_lost(sdata, bssid);
} else if (ifmgd->probe_send_count < max_tries) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
wiphy_debug(local->hw.wiphy,
"%s: No probe response from AP %pM"
- " after %dms, try %d\n",
+ " after %dms, try %d/%i\n",
sdata->name,
- bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ,
- ifmgd->probe_send_count);
+ bssid, probe_wait_ms,
+ ifmgd->probe_send_count, max_tries);
#endif
ieee80211_mgd_probe_ap_send(sdata);
} else {
"%s: No probe response from AP %pM"
" after %dms, disconnecting.\n",
sdata->name,
- bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ);
+ bssid, probe_wait_ms);
ieee80211_sta_connection_lost(sdata, bssid);
}
else
wk->type = IEEE80211_WORK_DIRECT_PROBE;
wk->chan = req->bss->channel;
+ wk->chan_type = NL80211_CHAN_NO_HT;
wk->sdata = sdata;
wk->done = ieee80211_probe_auth_done;
memcpy(wk->assoc.prev_bssid, req->prev_bssid, ETH_ALEN);
wk->chan = req->bss->channel;
+ wk->chan_type = NL80211_CHAN_NO_HT;
wk->sdata = sdata;
wk->done = ieee80211_assoc_done;
if (!bss->dtim_period &&
* (b) always process RX events before TX status events if ordering
* can be unknown, for example with different interrupt status
* bits.
+ * (c) if PS mode transitions are manual (i.e. the flag
+ * %IEEE80211_HW_AP_LINK_PS is set), always process PS state
+ * changes before calling TX status events if ordering can be
+ * unknown.
*/
if (test_sta_flags(sta, WLAN_STA_PS_STA) &&
skb_queue_len(&sta->tx_filtered) < STA_MAX_TX_BUFFER) {
if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
struct ieee80211_work *wk;
+ u64 cookie = (unsigned long)skb;
rcu_read_lock();
list_for_each_entry_rcu(wk, &local->work_list, list) {
break;
}
rcu_read_unlock();
+ if (local->hw_roc_skb_for_status == skb) {
+ cookie = local->hw_roc_cookie ^ 2;
+ local->hw_roc_skb_for_status = NULL;
+ }
cfg80211_mgmt_tx_status(
- skb->dev, (unsigned long) skb, skb->data, skb->len,
+ skb->dev, cookie, skb->data, skb->len,
!!(info->flags & IEEE80211_TX_STAT_ACK), GFP_ATOMIC);
}
if (local->hw.conf.flags & IEEE80211_CONF_PS) {
ieee80211_stop_queues_by_reason(&local->hw,
IEEE80211_QUEUE_STOP_REASON_PS);
+ ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
ieee80211_queue_work(&local->hw,
&local->dynamic_ps_disable_work);
}
if (unlikely(info->flags & IEEE80211_TX_CTL_INJECTED))
return TX_CONTINUE;
- if (unlikely(test_bit(SCAN_OFF_CHANNEL, &tx->local->scanning)) &&
+ if (unlikely(test_bit(SCAN_SW_SCANNING, &tx->local->scanning)) &&
+ test_bit(SDATA_STATE_OFFCHANNEL, &tx->sdata->state) &&
!ieee80211_is_probe_req(hdr->frame_control) &&
!ieee80211_is_nullfunc(hdr->frame_control))
/*
/* handlers after fragment must be aware of tx info fragmentation! */
CALL_TXH(ieee80211_tx_h_stats);
CALL_TXH(ieee80211_tx_h_encrypt);
- CALL_TXH(ieee80211_tx_h_calculate_duration);
+ if (!(tx->local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL))
+ CALL_TXH(ieee80211_tx_h_calculate_duration);
#undef CALL_TXH
txh_done:
skb_orphan(skb);
}
- if (skb_header_cloned(skb))
+ if (skb_cloned(skb))
I802_DEBUG_INC(local->tx_expand_skb_head_cloned);
else if (head_need || tail_need)
I802_DEBUG_INC(local->tx_expand_skb_head);
__le16 fc;
struct ieee80211_hdr hdr;
struct ieee80211s_hdr mesh_hdr __maybe_unused;
- struct mesh_path *mppath = NULL;
+ struct mesh_path __maybe_unused *mppath = NULL;
const u8 *encaps_data;
int encaps_len, skip_header_bytes;
int nh_pos, h_pos;
mppath = mpp_path_lookup(skb->data, sdata);
/*
- * Do not use address extension, if it is a packet from
- * the same interface and the destination is not being
- * proxied by any other mest point.
+ * Use address extension if it is a packet from
+ * another interface or if we know the destination
+ * is being proxied by a portal (i.e. portal address
+ * differs from proxied address)
*/
if (compare_ether_addr(sdata->vif.addr,
skb->data + ETH_ALEN) == 0 &&
- (!mppath || !compare_ether_addr(mppath->mpp, skb->data))) {
+ !(mppath && compare_ether_addr(mppath->mpp, skb->data))) {
hdrlen = ieee80211_fill_mesh_addresses(&hdr, &fc,
skb->data, skb->data + ETH_ALEN);
meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr,
sdata, NULL, NULL);
} else {
- /* packet from other interface */
int is_mesh_mcast = 1;
const u8 *mesh_da;
if (bss->dtim_count == 0 && !skb_queue_empty(&bss->ps_bc_buf))
aid0 = 1;
+ bss->dtim_bc_mc = aid0 == 1;
+
if (have_bits) {
/* Find largest even number N1 so that bits numbered 1 through
* (N1 x 8) - 1 in the bitmap are 0 and number N2 so that bits
if (sdata->vif.type == NL80211_IFTYPE_AP) {
ap = &sdata->u.ap;
beacon = rcu_dereference(ap->beacon);
- if (ap && beacon) {
+ if (beacon) {
/*
* headroom, head length,
* tail length and maximum TIM length
struct ieee80211_mgmt *mgmt;
u8 *pos;
+#ifdef CONFIG_MAC80211_MESH
+ if (!sdata->u.mesh.mesh_id_len)
+ goto out;
+#endif
+
/* headroom, head length, tail length and maximum TIM length */
skb = dev_alloc_skb(local->tx_headroom + 400 +
sdata->u.mesh.vendor_ie_len);
if (sdata->vif.type != NL80211_IFTYPE_AP || !beacon || !beacon->head)
goto out;
- if (bss->dtim_count != 0)
+ if (bss->dtim_count != 0 || !bss->dtim_bc_mc)
goto out; /* send buffered bc/mc only after DTIM beacon */
while (1) {
u16 cap = sband->ht_cap.cap;
__le16 tmp;
- if (ieee80211_disable_40mhz_24ghz &&
- sband->band == IEEE80211_BAND_2GHZ) {
- cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
- cap &= ~IEEE80211_HT_CAP_SGI_40;
- }
-
*pos++ = WLAN_EID_HT_CAPABILITY;
*pos++ = sizeof(struct ieee80211_ht_cap);
memset(pos, 0, sizeof(struct ieee80211_ht_cap));
switch (sdata->vif.type) {
case NL80211_IFTYPE_STATION:
changed |= BSS_CHANGED_ASSOC;
+ mutex_lock(&sdata->u.mgd.mtx);
ieee80211_bss_info_change_notify(sdata, changed);
+ mutex_unlock(&sdata->u.mgd.mtx);
break;
case NL80211_IFTYPE_ADHOC:
changed |= BSS_CHANGED_IBSS;
git.openpandora.org / pandora-kernel.git / commitdiff