/* Copyright (C) 2010 Willow Garage <http://www.willowgarage.com> Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com> Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de> Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org> Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com> Copyright (C) 2009 Axel Kollhofer <rain_maker@root-forum.org> <http://rt2x00.serialmonkey.com> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Module: rt2800usb Abstract: rt2800usb device specific routines. Supported chipsets: RT2800U. */ #include <linux/delay.h> #include <linux/etherdevice.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/usb.h> #include "rt2x00.h" #include "rt2x00usb.h" #include "rt2800lib.h" #include "rt2800.h" #include "rt2800usb.h" /* * Allow hardware encryption to be disabled. */ static bool modparam_nohwcrypt; module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); static bool rt2800usb_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev) { return modparam_nohwcrypt; } /* * Queue handlers. */ static void rt2800usb_start_queue(struct data_queue *queue) { struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; u32 reg; switch (queue->qid) { case QID_RX: rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, ®); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 1); rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg); break; case QID_BEACON: rt2x00usb_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); rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg); break; default: break; } } static void rt2800usb_stop_queue(struct data_queue *queue) { struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; u32 reg; switch (queue->qid) { case QID_RX: rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, ®); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0); rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg); break; case QID_BEACON: rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, ®); rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 0); rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 0); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg); break; default: break; } } /* * test if there is an entry in any TX queue for which DMA is done * but the TX status has not been returned yet */ static bool rt2800usb_txstatus_pending(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue; tx_queue_for_each(rt2x00dev, queue) { if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) != rt2x00queue_get_entry(queue, Q_INDEX_DONE)) return true; } return false; } static inline bool rt2800usb_entry_txstatus_timeout(struct queue_entry *entry) { bool tout; if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags)) return false; tout = time_after(jiffies, entry->last_action + msecs_to_jiffies(100)); if (unlikely(tout)) WARNING(entry->queue->rt2x00dev, "TX status timeout for entry %d in queue %d\n", entry->entry_idx, entry->queue->qid); return tout; } static bool rt2800usb_txstatus_timeout(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue; struct queue_entry *entry; tx_queue_for_each(rt2x00dev, queue) { entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); if (rt2800usb_entry_txstatus_timeout(entry)) return true; } return false; } static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev, int urb_status, u32 tx_status) { bool valid; if (urb_status) { WARNING(rt2x00dev, "TX status read failed %d\n", urb_status); goto stop_reading; } valid = rt2x00_get_field32(tx_status, TX_STA_FIFO_VALID); if (valid) { if (!kfifo_put(&rt2x00dev->txstatus_fifo, &tx_status)) WARNING(rt2x00dev, "TX status FIFO overrun\n"); queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work); /* Reschedule urb to read TX status again instantly */ return true; } /* Check if there is any entry that timedout waiting on TX status */ if (rt2800usb_txstatus_timeout(rt2x00dev)) queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work); if (rt2800usb_txstatus_pending(rt2x00dev)) { /* Read register after 250 us */ hrtimer_start(&rt2x00dev->txstatus_timer, ktime_set(0, 250000), HRTIMER_MODE_REL); return false; } stop_reading: clear_bit(TX_STATUS_READING, &rt2x00dev->flags); /* * There is small race window above, between txstatus pending check and * clear_bit someone could do rt2x00usb_interrupt_txdone, so recheck * here again if status reading is needed. */ if (rt2800usb_txstatus_pending(rt2x00dev) && !test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags)) return true; else return false; } static void rt2800usb_async_read_tx_status(struct rt2x00_dev *rt2x00dev) { if (test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags)) return; /* Read TX_STA_FIFO register after 500 us */ hrtimer_start(&rt2x00dev->txstatus_timer, ktime_set(0, 500000), HRTIMER_MODE_REL); } static void rt2800usb_tx_dma_done(struct queue_entry *entry) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; rt2800usb_async_read_tx_status(rt2x00dev); } static enum hrtimer_restart rt2800usb_tx_sta_fifo_timeout(struct hrtimer *timer) { struct rt2x00_dev *rt2x00dev = container_of(timer, struct rt2x00_dev, txstatus_timer); rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO, rt2800usb_tx_sta_fifo_read_completed); return HRTIMER_NORESTART; } /* * Firmware functions */ static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev) { return FIRMWARE_RT2870; } static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev, const u8 *data, const size_t len) { int status; u32 offset; u32 length; /* * Check which section of the firmware we need. */ if (rt2x00_rt(rt2x00dev, RT2860) || rt2x00_rt(rt2x00dev, RT2872) || rt2x00_rt(rt2x00dev, RT3070)) { offset = 0; length = 4096; } else { offset = 4096; length = 4096; } /* * Write firmware to device. */ rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, data + offset, length); rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0); rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0); /* * Send firmware request to device to load firmware, * we need to specify a long timeout time. */ status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0, USB_MODE_FIRMWARE, REGISTER_TIMEOUT_FIRMWARE); if (status < 0) { ERROR(rt2x00dev, "Failed to write Firmware to device.\n"); return status; } msleep(10); rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); return 0; } /* * Device state switch handlers. */ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev) { u32 reg; /* * Wait until BBP and RF are ready. */ if (rt2800_wait_csr_ready(rt2x00dev)) return -EBUSY; rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, ®); rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000); reg = 0; rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_CSR, 1); rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_BBP, 1); rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg); rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000); rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0, USB_MODE_RESET, REGISTER_TIMEOUT); rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); return 0; } static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev) { u32 reg; if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev))) return -EIO; rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, ®); rt2x00_set_field32(®, USB_DMA_CFG_PHY_CLEAR, 0); rt2x00_set_field32(®, USB_DMA_CFG_RX_BULK_AGG_EN, 0); rt2x00_set_field32(®, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128); /* * Total room for RX frames in kilobytes, PBF might still exceed * this limit so reduce the number to prevent errors. */ rt2x00_set_field32(®, USB_DMA_CFG_RX_BULK_AGG_LIMIT, ((rt2x00dev->ops->rx->entry_num * DATA_FRAME_SIZE) / 1024) - 3); rt2x00_set_field32(®, USB_DMA_CFG_RX_BULK_EN, 1); rt2x00_set_field32(®, USB_DMA_CFG_TX_BULK_EN, 1); rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg); return rt2800_enable_radio(rt2x00dev); } static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev) { rt2800_disable_radio(rt2x00dev); rt2x00usb_disable_radio(rt2x00dev); } static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) { if (state == STATE_AWAKE) rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 2); else rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2); return 0; } static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) { int retval = 0; switch (state) { case STATE_RADIO_ON: /* * Before the radio can be enabled, the device first has * to be woken up. After that it needs a bit of time * to be fully awake and then the radio can be enabled. */ rt2800usb_set_state(rt2x00dev, STATE_AWAKE); msleep(1); retval = rt2800usb_enable_radio(rt2x00dev); break; case STATE_RADIO_OFF: /* * After the radio has been disabled, the device should * be put to sleep for powersaving. */ rt2800usb_disable_radio(rt2x00dev); rt2800usb_set_state(rt2x00dev, STATE_SLEEP); break; case STATE_RADIO_IRQ_ON: case STATE_RADIO_IRQ_OFF: /* No support, but no error either */ break; case STATE_DEEP_SLEEP: case STATE_SLEEP: case STATE_STANDBY: case STATE_AWAKE: retval = rt2800usb_set_state(rt2x00dev, state); break; default: retval = -ENOTSUPP; break; } if (unlikely(retval)) ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", state, retval); return retval; } /* * Watchdog handlers */ static void rt2800usb_watchdog(struct rt2x00_dev *rt2x00dev) { unsigned int i; u32 reg; rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, ®); if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q)) { WARNING(rt2x00dev, "TX HW queue 0 timed out," " invoke forced kick\n"); rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40012); for (i = 0; i < 10; i++) { udelay(10); if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q)) break; } rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006); } rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, ®); if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q)) { WARNING(rt2x00dev, "TX HW queue 1 timed out," " invoke forced kick\n"); rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf4000a); for (i = 0; i < 10; i++) { udelay(10); if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q)) break; } rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006); } rt2x00usb_watchdog(rt2x00dev); } /* * TX descriptor initialization */ static __le32 *rt2800usb_get_txwi(struct queue_entry *entry) { if (entry->queue->qid == QID_BEACON) return (__le32 *) (entry->skb->data); else return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE); } static void rt2800usb_write_tx_desc(struct queue_entry *entry, struct txentry_desc *txdesc) { struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); __le32 *txi = (__le32 *) entry->skb->data; u32 word; /* * Initialize TXINFO descriptor */ rt2x00_desc_read(txi, 0, &word); /* * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is * TXWI + 802.11 header + L2 pad + payload + pad, * so need to decrease size of TXINFO. */ rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN, roundup(entry->skb->len, 4) - TXINFO_DESC_SIZE); rt2x00_set_field32(&word, TXINFO_W0_WIV, !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2); rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0); rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0); rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST, test_bit(ENTRY_TXD_BURST, &txdesc->flags)); rt2x00_desc_write(txi, 0, word); /* * Register descriptor details in skb frame descriptor. */ skbdesc->flags |= SKBDESC_DESC_IN_SKB; skbdesc->desc = txi; skbdesc->desc_len = TXINFO_DESC_SIZE + TXWI_DESC_SIZE; } /* * TX data initialization */ static int rt2800usb_get_tx_data_len(struct queue_entry *entry) { /* * pad(1~3 bytes) is needed after each 802.11 payload. * USB end pad(4 bytes) is needed at each USB bulk out packet end. * TX frame format is : * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad | * |<------------- tx_pkt_len ------------->| */ return roundup(entry->skb->len, 4) + 4; } /* * TX control handlers */ static enum txdone_entry_desc_flags rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg) { __le32 *txwi; u32 word; int wcid, ack, pid; int tx_wcid, tx_ack, tx_pid, is_agg; /* * This frames has returned with an IO error, * so the status report is not intended for this * frame. */ if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags)) return TXDONE_FAILURE; wcid = rt2x00_get_field32(reg, TX_STA_FIFO_WCID); ack = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED); pid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE); is_agg = rt2x00_get_field32(reg, TX_STA_FIFO_TX_AGGRE); /* * Validate if this TX status report is intended for * this entry by comparing the WCID/ACK/PID fields. */ txwi = rt2800usb_get_txwi(entry); rt2x00_desc_read(txwi, 1, &word); tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID); tx_ack = rt2x00_get_field32(word, TXWI_W1_ACK); tx_pid = rt2x00_get_field32(word, TXWI_W1_PACKETID); if (wcid != tx_wcid || ack != tx_ack || (!is_agg && pid != tx_pid)) { WARNING(entry->queue->rt2x00dev, "TX status report missed for queue %d entry %d\n", entry->queue->qid, entry->entry_idx); return TXDONE_UNKNOWN; } return TXDONE_SUCCESS; } static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue; struct queue_entry *entry; u32 reg; u8 qid; enum txdone_entry_desc_flags done_status; while (kfifo_get(&rt2x00dev->txstatus_fifo, ®)) { /* * TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus qid is * guaranteed to be one of the TX QIDs . */ qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE); queue = rt2x00queue_get_tx_queue(rt2x00dev, qid); if (unlikely(rt2x00queue_empty(queue))) { WARNING(rt2x00dev, "Got TX status for an empty " "queue %u, dropping\n", qid); break; } entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); if (unlikely(test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) || !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))) { WARNING(rt2x00dev, "Data pending for entry %u " "in queue %u\n", entry->entry_idx, qid); break; } done_status = rt2800usb_txdone_entry_check(entry, reg); if (likely(done_status == TXDONE_SUCCESS)) rt2800_txdone_entry(entry, reg, rt2800usb_get_txwi(entry)); else rt2x00lib_txdone_noinfo(entry, done_status); } } static void rt2800usb_txdone_nostatus(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue; struct queue_entry *entry; /* * Process any trailing TX status reports for IO failures, * we loop until we find the first non-IO error entry. This * can either be a frame which is free, is being uploaded, * or has completed the upload but didn't have an entry * in the TX_STAT_FIFO register yet. */ tx_queue_for_each(rt2x00dev, queue) { while (!rt2x00queue_empty(queue)) { entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) || !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags)) break; if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags)) rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE); else if (rt2800usb_entry_txstatus_timeout(entry)) rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN); else break; } } } static void rt2800usb_work_txdone(struct work_struct *work) { struct rt2x00_dev *rt2x00dev = container_of(work, struct rt2x00_dev, txdone_work); while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) || rt2800usb_txstatus_timeout(rt2x00dev)) { rt2800usb_txdone(rt2x00dev); rt2800usb_txdone_nostatus(rt2x00dev); /* * The hw may delay sending the packet after DMA complete * if the medium is busy, thus the TX_STA_FIFO entry is * also delayed -> use a timer to retrieve it. */ if (rt2800usb_txstatus_pending(rt2x00dev)) rt2800usb_async_read_tx_status(rt2x00dev); } } /* * RX control handlers */ static void rt2800usb_fill_rxdone(struct queue_entry *entry, struct rxdone_entry_desc *rxdesc) { struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); __le32 *rxi = (__le32 *)entry->skb->data; __le32 *rxd; u32 word; int rx_pkt_len; /* * Copy descriptor to the skbdesc->desc buffer, making it safe from * moving of frame data in rt2x00usb. */ memcpy(skbdesc->desc, rxi, skbdesc->desc_len); /* * RX frame format is : * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad | * |<------------ rx_pkt_len -------------->| */ rt2x00_desc_read(rxi, 0, &word); rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN); /* * Remove the RXINFO structure from the sbk. */ skb_pull(entry->skb, RXINFO_DESC_SIZE); /* * Check for rx_pkt_len validity. Return if invalid, leaving * rxdesc->size zeroed out by the upper level. */ if (unlikely(rx_pkt_len == 0 || rx_pkt_len > entry->queue->data_size)) { ERROR(entry->queue->rt2x00dev, "Bad frame size %d, forcing to 0\n", rx_pkt_len); return; } rxd = (__le32 *)(entry->skb->data + rx_pkt_len); /* * It is now safe to read the descriptor on all architectures. */ rt2x00_desc_read(rxd, 0, &word); if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR)) rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR); if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) { /* * Hardware has stripped IV/EIV data from 802.11 frame during * decryption. Unfortunately the descriptor doesn't contain * any fields with the EIV/IV data either, so they can't * be restored by rt2x00lib. */ 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) rxdesc->flags |= RX_FLAG_MMIC_ERROR; } if (rt2x00_get_field32(word, RXD_W0_MY_BSS)) rxdesc->dev_flags |= RXDONE_MY_BSS; if (rt2x00_get_field32(word, RXD_W0_L2PAD)) rxdesc->dev_flags |= RXDONE_L2PAD; /* * Remove RXD descriptor from end of buffer. */ skb_trim(entry->skb, rx_pkt_len); /* * Process the RXWI structure. */ rt2800_process_rxwi(entry, rxdesc); } /* * Device probe functions. */ static void rt2800usb_read_eeprom(struct rt2x00_dev *rt2x00dev) { if (rt2800_efuse_detect(rt2x00dev)) rt2800_read_eeprom_efuse(rt2x00dev); else rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE); } static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev) { int retval; retval = rt2800_probe_hw(rt2x00dev); if (retval) return retval; /* * Set txstatus timer function. */ rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout; /* * Overwrite TX done handler */ PREPARE_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone); return 0; } static const struct ieee80211_ops rt2800usb_mac80211_ops = { .tx = rt2x00mac_tx, .start = rt2x00mac_start, .stop = rt2x00mac_stop, .add_interface = rt2x00mac_add_interface, .remove_interface = rt2x00mac_remove_interface, .config = rt2x00mac_config, .configure_filter = rt2x00mac_configure_filter, .set_tim = rt2x00mac_set_tim, .set_key = rt2x00mac_set_key, .sw_scan_start = rt2x00mac_sw_scan_start, .sw_scan_complete = rt2x00mac_sw_scan_complete, .get_stats = rt2x00mac_get_stats, .get_tkip_seq = rt2800_get_tkip_seq, .set_rts_threshold = rt2800_set_rts_threshold, .sta_add = rt2x00mac_sta_add, .sta_remove = rt2x00mac_sta_remove, .bss_info_changed = rt2x00mac_bss_info_changed, .conf_tx = rt2800_conf_tx, .get_tsf = rt2800_get_tsf, .rfkill_poll = rt2x00mac_rfkill_poll, .ampdu_action = rt2800_ampdu_action, .flush = rt2x00mac_flush, .get_survey = rt2800_get_survey, .get_ringparam = rt2x00mac_get_ringparam, .tx_frames_pending = rt2x00mac_tx_frames_pending, }; static const struct rt2800_ops rt2800usb_rt2800_ops = { .register_read = rt2x00usb_register_read, .register_read_lock = rt2x00usb_register_read_lock, .register_write = rt2x00usb_register_write, .register_write_lock = rt2x00usb_register_write_lock, .register_multiread = rt2x00usb_register_multiread, .register_multiwrite = rt2x00usb_register_multiwrite, .regbusy_read = rt2x00usb_regbusy_read, .read_eeprom = rt2800usb_read_eeprom, .hwcrypt_disabled = rt2800usb_hwcrypt_disabled, .drv_write_firmware = rt2800usb_write_firmware, .drv_init_registers = rt2800usb_init_registers, .drv_get_txwi = rt2800usb_get_txwi, }; static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = { .probe_hw = rt2800usb_probe_hw, .get_firmware_name = rt2800usb_get_firmware_name, .check_firmware = rt2800_check_firmware, .load_firmware = rt2800_load_firmware, .initialize = rt2x00usb_initialize, .uninitialize = rt2x00usb_uninitialize, .clear_entry = rt2x00usb_clear_entry, .set_device_state = rt2800usb_set_device_state, .rfkill_poll = rt2800_rfkill_poll, .link_stats = rt2800_link_stats, .reset_tuner = rt2800_reset_tuner, .link_tuner = rt2800_link_tuner, .gain_calibration = rt2800_gain_calibration, .vco_calibration = rt2800_vco_calibration, .watchdog = rt2800usb_watchdog, .start_queue = rt2800usb_start_queue, .kick_queue = rt2x00usb_kick_queue, .stop_queue = rt2800usb_stop_queue, .flush_queue = rt2x00usb_flush_queue, .tx_dma_done = rt2800usb_tx_dma_done, .write_tx_desc = rt2800usb_write_tx_desc, .write_tx_data = rt2800_write_tx_data, .write_beacon = rt2800_write_beacon, .clear_beacon = rt2800_clear_beacon, .get_tx_data_len = rt2800usb_get_tx_data_len, .fill_rxdone = rt2800usb_fill_rxdone, .config_shared_key = rt2800_config_shared_key, .config_pairwise_key = rt2800_config_pairwise_key, .config_filter = rt2800_config_filter, .config_intf = rt2800_config_intf, .config_erp = rt2800_config_erp, .config_ant = rt2800_config_ant, .config = rt2800_config, .sta_add = rt2800_sta_add, .sta_remove = rt2800_sta_remove, }; static const struct data_queue_desc rt2800usb_queue_rx = { .entry_num = 128, .data_size = AGGREGATION_SIZE, .desc_size = RXINFO_DESC_SIZE + RXWI_DESC_SIZE, .priv_size = sizeof(struct queue_entry_priv_usb), }; static const struct data_queue_desc rt2800usb_queue_tx = { .entry_num = 16, .data_size = AGGREGATION_SIZE, .desc_size = TXINFO_DESC_SIZE + TXWI_DESC_SIZE, .priv_size = sizeof(struct queue_entry_priv_usb), }; static const struct data_queue_desc rt2800usb_queue_bcn = { .entry_num = 8, .data_size = MGMT_FRAME_SIZE, .desc_size = TXINFO_DESC_SIZE + TXWI_DESC_SIZE, .priv_size = sizeof(struct queue_entry_priv_usb), }; static const struct rt2x00_ops rt2800usb_ops = { .name = KBUILD_MODNAME, .drv_data_size = sizeof(struct rt2800_drv_data), .max_ap_intf = 8, .eeprom_size = EEPROM_SIZE, .rf_size = RF_SIZE, .tx_queues = NUM_TX_QUEUES, .extra_tx_headroom = TXINFO_DESC_SIZE + TXWI_DESC_SIZE, .rx = &rt2800usb_queue_rx, .tx = &rt2800usb_queue_tx, .bcn = &rt2800usb_queue_bcn, .lib = &rt2800usb_rt2x00_ops, .drv = &rt2800usb_rt2800_ops, .hw = &rt2800usb_mac80211_ops, #ifdef CONFIG_RT2X00_LIB_DEBUGFS .debugfs = &rt2800_rt2x00debug, #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ }; /* * rt2800usb module information. */ static struct usb_device_id rt2800usb_device_table[] = { /* Abocom */ { USB_DEVICE(0x07b8, 0x2870) }, { USB_DEVICE(0x07b8, 0x2770) }, { USB_DEVICE(0x07b8, 0x3070) }, { USB_DEVICE(0x07b8, 0x3071) }, { USB_DEVICE(0x07b8, 0x3072) }, { USB_DEVICE(0x1482, 0x3c09) }, /* AirTies */ { USB_DEVICE(0x1eda, 0x2012) }, { USB_DEVICE(0x1eda, 0x2210) }, { USB_DEVICE(0x1eda, 0x2310) }, /* Allwin */ { USB_DEVICE(0x8516, 0x2070) }, { USB_DEVICE(0x8516, 0x2770) }, { USB_DEVICE(0x8516, 0x2870) }, { USB_DEVICE(0x8516, 0x3070) }, { USB_DEVICE(0x8516, 0x3071) }, { USB_DEVICE(0x8516, 0x3072) }, /* Alpha Networks */ { USB_DEVICE(0x14b2, 0x3c06) }, { USB_DEVICE(0x14b2, 0x3c07) }, { USB_DEVICE(0x14b2, 0x3c09) }, { USB_DEVICE(0x14b2, 0x3c12) }, { USB_DEVICE(0x14b2, 0x3c23) }, { USB_DEVICE(0x14b2, 0x3c25) }, { USB_DEVICE(0x14b2, 0x3c27) }, { USB_DEVICE(0x14b2, 0x3c28) }, { USB_DEVICE(0x14b2, 0x3c2c) }, /* Amit */ { USB_DEVICE(0x15c5, 0x0008) }, /* Askey */ { USB_DEVICE(0x1690, 0x0740) }, /* ASUS */ { USB_DEVICE(0x0b05, 0x1731) }, { USB_DEVICE(0x0b05, 0x1732) }, { USB_DEVICE(0x0b05, 0x1742) }, { USB_DEVICE(0x0b05, 0x1784) }, { USB_DEVICE(0x1761, 0x0b05) }, /* AzureWave */ { USB_DEVICE(0x13d3, 0x3247) }, { USB_DEVICE(0x13d3, 0x3273) }, { USB_DEVICE(0x13d3, 0x3305) }, { USB_DEVICE(0x13d3, 0x3307) }, { USB_DEVICE(0x13d3, 0x3321) }, /* Belkin */ { USB_DEVICE(0x050d, 0x8053) }, { USB_DEVICE(0x050d, 0x805c) }, { USB_DEVICE(0x050d, 0x815c) }, { USB_DEVICE(0x050d, 0x825a) }, { USB_DEVICE(0x050d, 0x825b) }, { USB_DEVICE(0x050d, 0x935a) }, { USB_DEVICE(0x050d, 0x935b) }, /* Buffalo */ { USB_DEVICE(0x0411, 0x00e8) }, { USB_DEVICE(0x0411, 0x0158) }, { USB_DEVICE(0x0411, 0x015d) }, { USB_DEVICE(0x0411, 0x016f) }, { USB_DEVICE(0x0411, 0x01a2) }, { USB_DEVICE(0x0411, 0x01ee) }, /* Corega */ { USB_DEVICE(0x07aa, 0x002f) }, { USB_DEVICE(0x07aa, 0x003c) }, { USB_DEVICE(0x07aa, 0x003f) }, { USB_DEVICE(0x18c5, 0x0012) }, /* D-Link */ { USB_DEVICE(0x07d1, 0x3c09) }, { USB_DEVICE(0x07d1, 0x3c0a) }, { USB_DEVICE(0x07d1, 0x3c0d) }, { USB_DEVICE(0x07d1, 0x3c0e) }, { USB_DEVICE(0x07d1, 0x3c0f) }, { USB_DEVICE(0x07d1, 0x3c11) }, { USB_DEVICE(0x07d1, 0x3c13) }, { USB_DEVICE(0x07d1, 0x3c15) }, { USB_DEVICE(0x07d1, 0x3c16) }, { USB_DEVICE(0x2001, 0x3c1b) }, /* Draytek */ { USB_DEVICE(0x07fa, 0x7712) }, /* DVICO */ { USB_DEVICE(0x0fe9, 0xb307) }, /* Edimax */ { USB_DEVICE(0x7392, 0x4085) }, { USB_DEVICE(0x7392, 0x7711) }, { USB_DEVICE(0x7392, 0x7717) }, { USB_DEVICE(0x7392, 0x7718) }, { USB_DEVICE(0x7392, 0x7722) }, /* Encore */ { USB_DEVICE(0x203d, 0x1480) }, { USB_DEVICE(0x203d, 0x14a9) }, /* EnGenius */ { USB_DEVICE(0x1740, 0x9701) }, { USB_DEVICE(0x1740, 0x9702) }, { USB_DEVICE(0x1740, 0x9703) }, { USB_DEVICE(0x1740, 0x9705) }, { USB_DEVICE(0x1740, 0x9706) }, { USB_DEVICE(0x1740, 0x9707) }, { USB_DEVICE(0x1740, 0x9708) }, { USB_DEVICE(0x1740, 0x9709) }, /* Gemtek */ { USB_DEVICE(0x15a9, 0x0012) }, /* Gigabyte */ { USB_DEVICE(0x1044, 0x800b) }, { USB_DEVICE(0x1044, 0x800d) }, /* Hawking */ { USB_DEVICE(0x0e66, 0x0001) }, { USB_DEVICE(0x0e66, 0x0003) }, { USB_DEVICE(0x0e66, 0x0009) }, { USB_DEVICE(0x0e66, 0x000b) }, { USB_DEVICE(0x0e66, 0x0013) }, { USB_DEVICE(0x0e66, 0x0017) }, { USB_DEVICE(0x0e66, 0x0018) }, /* I-O DATA */ { USB_DEVICE(0x04bb, 0x0945) }, { USB_DEVICE(0x04bb, 0x0947) }, { USB_DEVICE(0x04bb, 0x0948) }, /* Linksys */ { USB_DEVICE(0x13b1, 0x0031) }, { USB_DEVICE(0x1737, 0x0070) }, { USB_DEVICE(0x1737, 0x0071) }, { USB_DEVICE(0x1737, 0x0077) }, { USB_DEVICE(0x1737, 0x0078) }, /* Logitec */ { USB_DEVICE(0x0789, 0x0162) }, { USB_DEVICE(0x0789, 0x0163) }, { USB_DEVICE(0x0789, 0x0164) }, { USB_DEVICE(0x0789, 0x0166) }, /* Motorola */ { USB_DEVICE(0x100d, 0x9031) }, /* MSI */ { USB_DEVICE(0x0db0, 0x3820) }, { USB_DEVICE(0x0db0, 0x3821) }, { USB_DEVICE(0x0db0, 0x3822) }, { USB_DEVICE(0x0db0, 0x3870) }, { USB_DEVICE(0x0db0, 0x3871) }, { USB_DEVICE(0x0db0, 0x6899) }, { USB_DEVICE(0x0db0, 0x821a) }, { USB_DEVICE(0x0db0, 0x822a) }, { USB_DEVICE(0x0db0, 0x822b) }, { USB_DEVICE(0x0db0, 0x822c) }, { USB_DEVICE(0x0db0, 0x870a) }, { USB_DEVICE(0x0db0, 0x871a) }, { USB_DEVICE(0x0db0, 0x871b) }, { USB_DEVICE(0x0db0, 0x871c) }, { USB_DEVICE(0x0db0, 0x899a) }, /* Ovislink */ { USB_DEVICE(0x1b75, 0x3071) }, { USB_DEVICE(0x1b75, 0x3072) }, /* Para */ { USB_DEVICE(0x20b8, 0x8888) }, /* Pegatron */ { USB_DEVICE(0x1d4d, 0x0002) }, { USB_DEVICE(0x1d4d, 0x000c) }, { USB_DEVICE(0x1d4d, 0x000e) }, { USB_DEVICE(0x1d4d, 0x0011) }, /* Philips */ { USB_DEVICE(0x0471, 0x200f) }, /* Planex */ { USB_DEVICE(0x2019, 0x5201) }, { USB_DEVICE(0x2019, 0xab25) }, { USB_DEVICE(0x2019, 0xed06) }, /* Quanta */ { USB_DEVICE(0x1a32, 0x0304) }, /* Ralink */ { USB_DEVICE(0x148f, 0x2070) }, { USB_DEVICE(0x148f, 0x2770) }, { USB_DEVICE(0x148f, 0x2870) }, { USB_DEVICE(0x148f, 0x3070) }, { USB_DEVICE(0x148f, 0x3071) }, { USB_DEVICE(0x148f, 0x3072) }, /* Samsung */ { USB_DEVICE(0x04e8, 0x2018) }, /* Siemens */ { USB_DEVICE(0x129b, 0x1828) }, /* Sitecom */ { USB_DEVICE(0x0df6, 0x0017) }, { USB_DEVICE(0x0df6, 0x002b) }, { USB_DEVICE(0x0df6, 0x002c) }, { USB_DEVICE(0x0df6, 0x002d) }, { USB_DEVICE(0x0df6, 0x0039) }, { USB_DEVICE(0x0df6, 0x003b) }, { USB_DEVICE(0x0df6, 0x003d) }, { USB_DEVICE(0x0df6, 0x003e) }, { USB_DEVICE(0x0df6, 0x003f) }, { USB_DEVICE(0x0df6, 0x0040) }, { USB_DEVICE(0x0df6, 0x0042) }, { USB_DEVICE(0x0df6, 0x0047) }, { USB_DEVICE(0x0df6, 0x0048) }, { USB_DEVICE(0x0df6, 0x0051) }, { USB_DEVICE(0x0df6, 0x005f) }, { USB_DEVICE(0x0df6, 0x0060) }, /* SMC */ { USB_DEVICE(0x083a, 0x6618) }, { USB_DEVICE(0x083a, 0x7511) }, { USB_DEVICE(0x083a, 0x7512) }, { USB_DEVICE(0x083a, 0x7522) }, { USB_DEVICE(0x083a, 0x8522) }, { USB_DEVICE(0x083a, 0xa618) }, { USB_DEVICE(0x083a, 0xa701) }, { USB_DEVICE(0x083a, 0xa702) }, { USB_DEVICE(0x083a, 0xa703) }, { USB_DEVICE(0x083a, 0xb522) }, /* Sparklan */ { USB_DEVICE(0x15a9, 0x0006) }, /* Sweex */ { USB_DEVICE(0x177f, 0x0153) }, { USB_DEVICE(0x177f, 0x0302) }, { USB_DEVICE(0x177f, 0x0313) }, /* U-Media */ { USB_DEVICE(0x157e, 0x300e) }, { USB_DEVICE(0x157e, 0x3013) }, /* ZCOM */ { USB_DEVICE(0x0cde, 0x0022) }, { USB_DEVICE(0x0cde, 0x0025) }, /* Zinwell */ { USB_DEVICE(0x5a57, 0x0280) }, { USB_DEVICE(0x5a57, 0x0282) }, { USB_DEVICE(0x5a57, 0x0283) }, { USB_DEVICE(0x5a57, 0x5257) }, /* Zyxel */ { USB_DEVICE(0x0586, 0x3416) }, { USB_DEVICE(0x0586, 0x3418) }, { USB_DEVICE(0x0586, 0x341e) }, { USB_DEVICE(0x0586, 0x343e) }, #ifdef CONFIG_RT2800USB_RT33XX /* Belkin */ { USB_DEVICE(0x050d, 0x945b) }, /* D-Link */ { USB_DEVICE(0x2001, 0x3c17) }, /* Panasonic */ { USB_DEVICE(0x083a, 0xb511) }, /* Philips */ { USB_DEVICE(0x0471, 0x20dd) }, /* Ralink */ { USB_DEVICE(0x148f, 0x3370) }, { USB_DEVICE(0x148f, 0x8070) }, /* Sitecom */ { USB_DEVICE(0x0df6, 0x0050) }, #endif #ifdef CONFIG_RT2800USB_RT35XX /* Allwin */ { USB_DEVICE(0x8516, 0x3572) }, /* Askey */ { USB_DEVICE(0x1690, 0x0744) }, { USB_DEVICE(0x1690, 0x0761) }, { USB_DEVICE(0x1690, 0x0764) }, /* ASUS */ { USB_DEVICE(0x0b05, 0x179d) }, /* Cisco */ { USB_DEVICE(0x167b, 0x4001) }, /* EnGenius */ { USB_DEVICE(0x1740, 0x9801) }, /* I-O DATA */ { USB_DEVICE(0x04bb, 0x0944) }, /* Linksys */ { USB_DEVICE(0x13b1, 0x002f) }, { USB_DEVICE(0x1737, 0x0079) }, /* Ralink */ { USB_DEVICE(0x148f, 0x3572) }, /* Sitecom */ { USB_DEVICE(0x0df6, 0x0041) }, { USB_DEVICE(0x0df6, 0x0062) }, { USB_DEVICE(0x0df6, 0x0065) }, { USB_DEVICE(0x0df6, 0x0066) }, { USB_DEVICE(0x0df6, 0x0068) }, /* Toshiba */ { USB_DEVICE(0x0930, 0x0a07) }, /* Zinwell */ { USB_DEVICE(0x5a57, 0x0284) }, #endif #ifdef CONFIG_RT2800USB_RT53XX /* Arcadyan */ { USB_DEVICE(0x043e, 0x7a12) }, /* Azurewave */ { USB_DEVICE(0x13d3, 0x3329) }, { USB_DEVICE(0x13d3, 0x3365) }, /* D-Link */ { USB_DEVICE(0x2001, 0x3c15) }, { USB_DEVICE(0x2001, 0x3c19) }, { USB_DEVICE(0x2001, 0x3c1c) }, { USB_DEVICE(0x2001, 0x3c1d) }, /* LG innotek */ { USB_DEVICE(0x043e, 0x7a22) }, /* Panasonic */ { USB_DEVICE(0x04da, 0x1801) }, { USB_DEVICE(0x04da, 0x1800) }, /* Philips */ { USB_DEVICE(0x0471, 0x2104) }, /* Ralink */ { USB_DEVICE(0x148f, 0x5370) }, { USB_DEVICE(0x148f, 0x5372) }, /* Unknown */ { USB_DEVICE(0x04da, 0x23f6) }, #endif #ifdef CONFIG_RT2800USB_UNKNOWN /* * Unclear what kind of devices these are (they aren't supported by the * vendor linux driver). */ /* Abocom */ { USB_DEVICE(0x07b8, 0x3073) }, { USB_DEVICE(0x07b8, 0x3074) }, /* Alpha Networks */ { USB_DEVICE(0x14b2, 0x3c08) }, { USB_DEVICE(0x14b2, 0x3c11) }, /* Amigo */ { USB_DEVICE(0x0e0b, 0x9031) }, { USB_DEVICE(0x0e0b, 0x9041) }, /* ASUS */ { USB_DEVICE(0x0b05, 0x166a) }, { USB_DEVICE(0x0b05, 0x1760) }, { USB_DEVICE(0x0b05, 0x1761) }, { USB_DEVICE(0x0b05, 0x1790) }, /* AzureWave */ { USB_DEVICE(0x13d3, 0x3262) }, { USB_DEVICE(0x13d3, 0x3284) }, { USB_DEVICE(0x13d3, 0x3322) }, /* Belkin */ { USB_DEVICE(0x050d, 0x1003) }, /* Buffalo */ { USB_DEVICE(0x0411, 0x012e) }, { USB_DEVICE(0x0411, 0x0148) }, { USB_DEVICE(0x0411, 0x0150) }, /* Corega */ { USB_DEVICE(0x07aa, 0x0041) }, { USB_DEVICE(0x07aa, 0x0042) }, { USB_DEVICE(0x18c5, 0x0008) }, /* D-Link */ { USB_DEVICE(0x07d1, 0x3c0b) }, { USB_DEVICE(0x07d1, 0x3c17) }, /* Encore */ { USB_DEVICE(0x203d, 0x14a1) }, /* Gemtek */ { USB_DEVICE(0x15a9, 0x0010) }, /* Gigabyte */ { USB_DEVICE(0x1044, 0x800c) }, /* Huawei */ { USB_DEVICE(0x148f, 0xf101) }, /* I-O DATA */ { USB_DEVICE(0x04bb, 0x094b) }, /* LevelOne */ { USB_DEVICE(0x1740, 0x0605) }, { USB_DEVICE(0x1740, 0x0615) }, /* Logitec */ { USB_DEVICE(0x0789, 0x0168) }, { USB_DEVICE(0x0789, 0x0169) }, /* Motorola */ { USB_DEVICE(0x100d, 0x9032) }, /* Pegatron */ { USB_DEVICE(0x05a6, 0x0101) }, { USB_DEVICE(0x1d4d, 0x0010) }, /* Planex */ { USB_DEVICE(0x2019, 0xab24) }, /* Qcom */ { USB_DEVICE(0x18e8, 0x6259) }, /* RadioShack */ { USB_DEVICE(0x08b9, 0x1197) }, /* Sitecom */ { USB_DEVICE(0x0df6, 0x003c) }, { USB_DEVICE(0x0df6, 0x004a) }, { USB_DEVICE(0x0df6, 0x004d) }, { USB_DEVICE(0x0df6, 0x0053) }, /* SMC */ { USB_DEVICE(0x083a, 0xa512) }, { USB_DEVICE(0x083a, 0xc522) }, { USB_DEVICE(0x083a, 0xd522) }, { USB_DEVICE(0x083a, 0xf511) }, /* Zyxel */ { USB_DEVICE(0x0586, 0x341a) }, #endif { 0, } }; MODULE_AUTHOR(DRV_PROJECT); MODULE_VERSION(DRV_VERSION); MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver."); MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards"); MODULE_DEVICE_TABLE(usb, rt2800usb_device_table); MODULE_FIRMWARE(FIRMWARE_RT2870); MODULE_LICENSE("GPL"); static int rt2800usb_probe(struct usb_interface *usb_intf, const struct usb_device_id *id) { return rt2x00usb_probe(usb_intf, &rt2800usb_ops); } static struct usb_driver rt2800usb_driver = { .name = KBUILD_MODNAME, .id_table = rt2800usb_device_table, .probe = rt2800usb_probe, .disconnect = rt2x00usb_disconnect, .suspend = rt2x00usb_suspend, .resume = rt2x00usb_resume, .reset_resume = rt2x00usb_resume, .disable_hub_initiated_lpm = 1, }; module_usb_driver(rt2800usb_driver);