+++ /dev/null
-/*
- * Linux device driver for RTL8187
- *
- * Copyright 2007 Michael Wu <flamingice@sourmilk.net>
- * Copyright 2007 Andrea Merello <andrea.merello@gmail.com>
- *
- * Based on the r8187 driver, which is:
- * Copyright 2005 Andrea Merello <andrea.merello@gmail.com>, et al.
- *
- * The driver was extended to the RTL8187B in 2008 by:
- * Herton Ronaldo Krzesinski <herton@mandriva.com.br>
- * Hin-Tak Leung <htl10@users.sourceforge.net>
- * Larry Finger <Larry.Finger@lwfinger.net>
- *
- * Magic delays and register offsets below are taken from the original
- * r8187 driver sources. Thanks to Realtek for their support!
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/usb.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/etherdevice.h>
-#include <linux/eeprom_93cx6.h>
-#include <linux/module.h>
-#include <net/mac80211.h>
-
-#include "rtl8187.h"
-#include "rtl8225.h"
-#ifdef CONFIG_RTL8187_LEDS
-#include "leds.h"
-#endif
-#include "rfkill.h"
-
-MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
-MODULE_AUTHOR("Andrea Merello <andrea.merello@gmail.com>");
-MODULE_AUTHOR("Herton Ronaldo Krzesinski <herton@mandriva.com.br>");
-MODULE_AUTHOR("Hin-Tak Leung <htl10@users.sourceforge.net>");
-MODULE_AUTHOR("Larry Finger <Larry.Finger@lwfinger.net>");
-MODULE_DESCRIPTION("RTL8187/RTL8187B USB wireless driver");
-MODULE_LICENSE("GPL");
-
-static struct usb_device_id rtl8187_table[] = {
- /* Asus */
- {USB_DEVICE(0x0b05, 0x171d), .driver_info = DEVICE_RTL8187},
- /* Belkin */
- {USB_DEVICE(0x050d, 0x705e), .driver_info = DEVICE_RTL8187B},
- /* Realtek */
- {USB_DEVICE(0x0bda, 0x8187), .driver_info = DEVICE_RTL8187},
- {USB_DEVICE(0x0bda, 0x8189), .driver_info = DEVICE_RTL8187B},
- {USB_DEVICE(0x0bda, 0x8197), .driver_info = DEVICE_RTL8187B},
- {USB_DEVICE(0x0bda, 0x8198), .driver_info = DEVICE_RTL8187B},
- /* Surecom */
- {USB_DEVICE(0x0769, 0x11F2), .driver_info = DEVICE_RTL8187},
- /* Logitech */
- {USB_DEVICE(0x0789, 0x010C), .driver_info = DEVICE_RTL8187},
- /* Netgear */
- {USB_DEVICE(0x0846, 0x6100), .driver_info = DEVICE_RTL8187},
- {USB_DEVICE(0x0846, 0x6a00), .driver_info = DEVICE_RTL8187},
- {USB_DEVICE(0x0846, 0x4260), .driver_info = DEVICE_RTL8187B},
- /* HP */
- {USB_DEVICE(0x03f0, 0xca02), .driver_info = DEVICE_RTL8187},
- /* Sitecom */
- {USB_DEVICE(0x0df6, 0x000d), .driver_info = DEVICE_RTL8187},
- {USB_DEVICE(0x0df6, 0x0028), .driver_info = DEVICE_RTL8187B},
- {USB_DEVICE(0x0df6, 0x0029), .driver_info = DEVICE_RTL8187B},
- /* Sphairon Access Systems GmbH */
- {USB_DEVICE(0x114B, 0x0150), .driver_info = DEVICE_RTL8187},
- /* Dick Smith Electronics */
- {USB_DEVICE(0x1371, 0x9401), .driver_info = DEVICE_RTL8187},
- /* Abocom */
- {USB_DEVICE(0x13d1, 0xabe6), .driver_info = DEVICE_RTL8187},
- /* Qcom */
- {USB_DEVICE(0x18E8, 0x6232), .driver_info = DEVICE_RTL8187},
- /* AirLive */
- {USB_DEVICE(0x1b75, 0x8187), .driver_info = DEVICE_RTL8187},
- /* Linksys */
- {USB_DEVICE(0x1737, 0x0073), .driver_info = DEVICE_RTL8187B},
- {}
-};
-
-MODULE_DEVICE_TABLE(usb, rtl8187_table);
-
-static const struct ieee80211_rate rtl818x_rates[] = {
- { .bitrate = 10, .hw_value = 0, },
- { .bitrate = 20, .hw_value = 1, },
- { .bitrate = 55, .hw_value = 2, },
- { .bitrate = 110, .hw_value = 3, },
- { .bitrate = 60, .hw_value = 4, },
- { .bitrate = 90, .hw_value = 5, },
- { .bitrate = 120, .hw_value = 6, },
- { .bitrate = 180, .hw_value = 7, },
- { .bitrate = 240, .hw_value = 8, },
- { .bitrate = 360, .hw_value = 9, },
- { .bitrate = 480, .hw_value = 10, },
- { .bitrate = 540, .hw_value = 11, },
-};
-
-static const struct ieee80211_channel rtl818x_channels[] = {
- { .center_freq = 2412 },
- { .center_freq = 2417 },
- { .center_freq = 2422 },
- { .center_freq = 2427 },
- { .center_freq = 2432 },
- { .center_freq = 2437 },
- { .center_freq = 2442 },
- { .center_freq = 2447 },
- { .center_freq = 2452 },
- { .center_freq = 2457 },
- { .center_freq = 2462 },
- { .center_freq = 2467 },
- { .center_freq = 2472 },
- { .center_freq = 2484 },
-};
-
-static void rtl8187_iowrite_async_cb(struct urb *urb)
-{
- kfree(urb->context);
-}
-
-static void rtl8187_iowrite_async(struct rtl8187_priv *priv, __le16 addr,
- void *data, u16 len)
-{
- struct usb_ctrlrequest *dr;
- struct urb *urb;
- struct rtl8187_async_write_data {
- u8 data[4];
- struct usb_ctrlrequest dr;
- } *buf;
- int rc;
-
- buf = kmalloc(sizeof(*buf), GFP_ATOMIC);
- if (!buf)
- return;
-
- urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (!urb) {
- kfree(buf);
- return;
- }
-
- dr = &buf->dr;
-
- dr->bRequestType = RTL8187_REQT_WRITE;
- dr->bRequest = RTL8187_REQ_SET_REG;
- dr->wValue = addr;
- dr->wIndex = 0;
- dr->wLength = cpu_to_le16(len);
-
- memcpy(buf, data, len);
-
- usb_fill_control_urb(urb, priv->udev, usb_sndctrlpipe(priv->udev, 0),
- (unsigned char *)dr, buf, len,
- rtl8187_iowrite_async_cb, buf);
- usb_anchor_urb(urb, &priv->anchored);
- rc = usb_submit_urb(urb, GFP_ATOMIC);
- if (rc < 0) {
- kfree(buf);
- usb_unanchor_urb(urb);
- }
- usb_free_urb(urb);
-}
-
-static inline void rtl818x_iowrite32_async(struct rtl8187_priv *priv,
- __le32 *addr, u32 val)
-{
- __le32 buf = cpu_to_le32(val);
-
- rtl8187_iowrite_async(priv, cpu_to_le16((unsigned long)addr),
- &buf, sizeof(buf));
-}
-
-void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data)
-{
- struct rtl8187_priv *priv = dev->priv;
-
- data <<= 8;
- data |= addr | 0x80;
-
- rtl818x_iowrite8(priv, &priv->map->PHY[3], (data >> 24) & 0xFF);
- rtl818x_iowrite8(priv, &priv->map->PHY[2], (data >> 16) & 0xFF);
- rtl818x_iowrite8(priv, &priv->map->PHY[1], (data >> 8) & 0xFF);
- rtl818x_iowrite8(priv, &priv->map->PHY[0], data & 0xFF);
-}
-
-static void rtl8187_tx_cb(struct urb *urb)
-{
- struct sk_buff *skb = (struct sk_buff *)urb->context;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_hw *hw = info->rate_driver_data[0];
- struct rtl8187_priv *priv = hw->priv;
-
- skb_pull(skb, priv->is_rtl8187b ? sizeof(struct rtl8187b_tx_hdr) :
- sizeof(struct rtl8187_tx_hdr));
- ieee80211_tx_info_clear_status(info);
-
- if (!(urb->status) && !(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
- if (priv->is_rtl8187b) {
- skb_queue_tail(&priv->b_tx_status.queue, skb);
-
- /* queue is "full", discard last items */
- while (skb_queue_len(&priv->b_tx_status.queue) > 5) {
- struct sk_buff *old_skb;
-
- dev_dbg(&priv->udev->dev,
- "transmit status queue full\n");
-
- old_skb = skb_dequeue(&priv->b_tx_status.queue);
- ieee80211_tx_status_irqsafe(hw, old_skb);
- }
- return;
- } else {
- info->flags |= IEEE80211_TX_STAT_ACK;
- }
- }
- if (priv->is_rtl8187b)
- ieee80211_tx_status_irqsafe(hw, skb);
- else {
- /* Retry information for the RTI8187 is only available by
- * reading a register in the device. We are in interrupt mode
- * here, thus queue the skb and finish on a work queue. */
- skb_queue_tail(&priv->b_tx_status.queue, skb);
- ieee80211_queue_delayed_work(hw, &priv->work, 0);
- }
-}
-
-static void rtl8187_tx(struct ieee80211_hw *dev,
- struct ieee80211_tx_control *control,
- struct sk_buff *skb)
-{
- struct rtl8187_priv *priv = dev->priv;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_hdr *tx_hdr = (struct ieee80211_hdr *)(skb->data);
- unsigned int ep;
- void *buf;
- struct urb *urb;
- __le16 rts_dur = 0;
- u32 flags;
- int rc;
-
- urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (!urb) {
- kfree_skb(skb);
- return;
- }
-
- flags = skb->len;
- flags |= RTL818X_TX_DESC_FLAG_NO_ENC;
-
- flags |= ieee80211_get_tx_rate(dev, info)->hw_value << 24;
- if (ieee80211_has_morefrags(tx_hdr->frame_control))
- flags |= RTL818X_TX_DESC_FLAG_MOREFRAG;
-
- /* HW will perform RTS-CTS when only RTS flags is set.
- * HW will perform CTS-to-self when both RTS and CTS flags are set.
- * RTS rate and RTS duration will be used also for CTS-to-self.
- */
- if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) {
- flags |= RTL818X_TX_DESC_FLAG_RTS;
- flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19;
- rts_dur = ieee80211_rts_duration(dev, priv->vif,
- skb->len, info);
- } else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
- flags |= RTL818X_TX_DESC_FLAG_RTS | RTL818X_TX_DESC_FLAG_CTS;
- flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19;
- rts_dur = ieee80211_ctstoself_duration(dev, priv->vif,
- skb->len, info);
- }
-
- if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
- if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
- priv->seqno += 0x10;
- tx_hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
- tx_hdr->seq_ctrl |= cpu_to_le16(priv->seqno);
- }
-
- if (!priv->is_rtl8187b) {
- struct rtl8187_tx_hdr *hdr =
- (struct rtl8187_tx_hdr *)skb_push(skb, sizeof(*hdr));
- hdr->flags = cpu_to_le32(flags);
- hdr->len = 0;
- hdr->rts_duration = rts_dur;
- hdr->retry = cpu_to_le32((info->control.rates[0].count - 1) << 8);
- buf = hdr;
-
- ep = 2;
- } else {
- /* fc needs to be calculated before skb_push() */
- unsigned int epmap[4] = { 6, 7, 5, 4 };
- u16 fc = le16_to_cpu(tx_hdr->frame_control);
-
- struct rtl8187b_tx_hdr *hdr =
- (struct rtl8187b_tx_hdr *)skb_push(skb, sizeof(*hdr));
- struct ieee80211_rate *txrate =
- ieee80211_get_tx_rate(dev, info);
- memset(hdr, 0, sizeof(*hdr));
- hdr->flags = cpu_to_le32(flags);
- hdr->rts_duration = rts_dur;
- hdr->retry = cpu_to_le32((info->control.rates[0].count - 1) << 8);
- hdr->tx_duration =
- ieee80211_generic_frame_duration(dev, priv->vif,
- info->band,
- skb->len, txrate);
- buf = hdr;
-
- if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT)
- ep = 12;
- else
- ep = epmap[skb_get_queue_mapping(skb)];
- }
-
- info->rate_driver_data[0] = dev;
- info->rate_driver_data[1] = urb;
-
- usb_fill_bulk_urb(urb, priv->udev, usb_sndbulkpipe(priv->udev, ep),
- buf, skb->len, rtl8187_tx_cb, skb);
- urb->transfer_flags |= URB_ZERO_PACKET;
- usb_anchor_urb(urb, &priv->anchored);
- rc = usb_submit_urb(urb, GFP_ATOMIC);
- if (rc < 0) {
- usb_unanchor_urb(urb);
- kfree_skb(skb);
- }
- usb_free_urb(urb);
-}
-
-static void rtl8187_rx_cb(struct urb *urb)
-{
- struct sk_buff *skb = (struct sk_buff *)urb->context;
- struct rtl8187_rx_info *info = (struct rtl8187_rx_info *)skb->cb;
- struct ieee80211_hw *dev = info->dev;
- struct rtl8187_priv *priv = dev->priv;
- struct ieee80211_rx_status rx_status = { 0 };
- int rate, signal;
- u32 flags;
- unsigned long f;
-
- spin_lock_irqsave(&priv->rx_queue.lock, f);
- __skb_unlink(skb, &priv->rx_queue);
- spin_unlock_irqrestore(&priv->rx_queue.lock, f);
- skb_put(skb, urb->actual_length);
-
- if (unlikely(urb->status)) {
- dev_kfree_skb_irq(skb);
- return;
- }
-
- if (!priv->is_rtl8187b) {
- struct rtl8187_rx_hdr *hdr =
- (typeof(hdr))(skb_tail_pointer(skb) - sizeof(*hdr));
- flags = le32_to_cpu(hdr->flags);
- /* As with the RTL8187B below, the AGC is used to calculate
- * signal strength. In this case, the scaling
- * constants are derived from the output of p54usb.
- */
- signal = -4 - ((27 * hdr->agc) >> 6);
- rx_status.antenna = (hdr->signal >> 7) & 1;
- rx_status.mactime = le64_to_cpu(hdr->mac_time);
- } else {
- struct rtl8187b_rx_hdr *hdr =
- (typeof(hdr))(skb_tail_pointer(skb) - sizeof(*hdr));
- /* The Realtek datasheet for the RTL8187B shows that the RX
- * header contains the following quantities: signal quality,
- * RSSI, AGC, the received power in dB, and the measured SNR.
- * In testing, none of these quantities show qualitative
- * agreement with AP signal strength, except for the AGC,
- * which is inversely proportional to the strength of the
- * signal. In the following, the signal strength
- * is derived from the AGC. The arbitrary scaling constants
- * are chosen to make the results close to the values obtained
- * for a BCM4312 using b43 as the driver. The noise is ignored
- * for now.
- */
- flags = le32_to_cpu(hdr->flags);
- signal = 14 - hdr->agc / 2;
- rx_status.antenna = (hdr->rssi >> 7) & 1;
- rx_status.mactime = le64_to_cpu(hdr->mac_time);
- }
-
- rx_status.signal = signal;
- priv->signal = signal;
- rate = (flags >> 20) & 0xF;
- skb_trim(skb, flags & 0x0FFF);
- rx_status.rate_idx = rate;
- rx_status.freq = dev->conf.chandef.chan->center_freq;
- rx_status.band = dev->conf.chandef.chan->band;
- rx_status.flag |= RX_FLAG_MACTIME_START;
- if (flags & RTL818X_RX_DESC_FLAG_SPLCP)
- rx_status.flag |= RX_FLAG_SHORTPRE;
- if (flags & RTL818X_RX_DESC_FLAG_CRC32_ERR)
- rx_status.flag |= RX_FLAG_FAILED_FCS_CRC;
- memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
- ieee80211_rx_irqsafe(dev, skb);
-
- skb = dev_alloc_skb(RTL8187_MAX_RX);
- if (unlikely(!skb)) {
- /* TODO check rx queue length and refill *somewhere* */
- return;
- }
-
- info = (struct rtl8187_rx_info *)skb->cb;
- info->urb = urb;
- info->dev = dev;
- urb->transfer_buffer = skb_tail_pointer(skb);
- urb->context = skb;
- skb_queue_tail(&priv->rx_queue, skb);
-
- usb_anchor_urb(urb, &priv->anchored);
- if (usb_submit_urb(urb, GFP_ATOMIC)) {
- usb_unanchor_urb(urb);
- skb_unlink(skb, &priv->rx_queue);
- dev_kfree_skb_irq(skb);
- }
-}
-
-static int rtl8187_init_urbs(struct ieee80211_hw *dev)
-{
- struct rtl8187_priv *priv = dev->priv;
- struct urb *entry = NULL;
- struct sk_buff *skb;
- struct rtl8187_rx_info *info;
- int ret = 0;
-
- while (skb_queue_len(&priv->rx_queue) < 32) {
- skb = __dev_alloc_skb(RTL8187_MAX_RX, GFP_KERNEL);
- if (!skb) {
- ret = -ENOMEM;
- goto err;
- }
- entry = usb_alloc_urb(0, GFP_KERNEL);
- if (!entry) {
- ret = -ENOMEM;
- goto err;
- }
- usb_fill_bulk_urb(entry, priv->udev,
- usb_rcvbulkpipe(priv->udev,
- priv->is_rtl8187b ? 3 : 1),
- skb_tail_pointer(skb),
- RTL8187_MAX_RX, rtl8187_rx_cb, skb);
- info = (struct rtl8187_rx_info *)skb->cb;
- info->urb = entry;
- info->dev = dev;
- skb_queue_tail(&priv->rx_queue, skb);
- usb_anchor_urb(entry, &priv->anchored);
- ret = usb_submit_urb(entry, GFP_KERNEL);
- usb_put_urb(entry);
- if (ret) {
- skb_unlink(skb, &priv->rx_queue);
- usb_unanchor_urb(entry);
- goto err;
- }
- }
- return ret;
-
-err:
- kfree_skb(skb);
- usb_kill_anchored_urbs(&priv->anchored);
- return ret;
-}
-
-static void rtl8187b_status_cb(struct urb *urb)
-{
- struct ieee80211_hw *hw = (struct ieee80211_hw *)urb->context;
- struct rtl8187_priv *priv = hw->priv;
- u64 val;
- unsigned int cmd_type;
-
- if (unlikely(urb->status))
- return;
-
- /*
- * Read from status buffer:
- *
- * bits [30:31] = cmd type:
- * - 0 indicates tx beacon interrupt
- * - 1 indicates tx close descriptor
- *
- * In the case of tx beacon interrupt:
- * [0:9] = Last Beacon CW
- * [10:29] = reserved
- * [30:31] = 00b
- * [32:63] = Last Beacon TSF
- *
- * If it's tx close descriptor:
- * [0:7] = Packet Retry Count
- * [8:14] = RTS Retry Count
- * [15] = TOK
- * [16:27] = Sequence No
- * [28] = LS
- * [29] = FS
- * [30:31] = 01b
- * [32:47] = unused (reserved?)
- * [48:63] = MAC Used Time
- */
- val = le64_to_cpu(priv->b_tx_status.buf);
-
- cmd_type = (val >> 30) & 0x3;
- if (cmd_type == 1) {
- unsigned int pkt_rc, seq_no;
- bool tok;
- struct sk_buff *skb;
- struct ieee80211_hdr *ieee80211hdr;
- unsigned long flags;
-
- pkt_rc = val & 0xFF;
- tok = val & (1 << 15);
- seq_no = (val >> 16) & 0xFFF;
-
- spin_lock_irqsave(&priv->b_tx_status.queue.lock, flags);
- skb_queue_reverse_walk(&priv->b_tx_status.queue, skb) {
- ieee80211hdr = (struct ieee80211_hdr *)skb->data;
-
- /*
- * While testing, it was discovered that the seq_no
- * doesn't actually contains the sequence number.
- * Instead of returning just the 12 bits of sequence
- * number, hardware is returning entire sequence control
- * (fragment number plus sequence number) in a 12 bit
- * only field overflowing after some time. As a
- * workaround, just consider the lower bits, and expect
- * it's unlikely we wrongly ack some sent data
- */
- if ((le16_to_cpu(ieee80211hdr->seq_ctrl)
- & 0xFFF) == seq_no)
- break;
- }
- if (skb != (struct sk_buff *) &priv->b_tx_status.queue) {
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-
- __skb_unlink(skb, &priv->b_tx_status.queue);
- if (tok)
- info->flags |= IEEE80211_TX_STAT_ACK;
- info->status.rates[0].count = pkt_rc + 1;
-
- ieee80211_tx_status_irqsafe(hw, skb);
- }
- spin_unlock_irqrestore(&priv->b_tx_status.queue.lock, flags);
- }
-
- usb_anchor_urb(urb, &priv->anchored);
- if (usb_submit_urb(urb, GFP_ATOMIC))
- usb_unanchor_urb(urb);
-}
-
-static int rtl8187b_init_status_urb(struct ieee80211_hw *dev)
-{
- struct rtl8187_priv *priv = dev->priv;
- struct urb *entry;
- int ret = 0;
-
- entry = usb_alloc_urb(0, GFP_KERNEL);
- if (!entry)
- return -ENOMEM;
-
- usb_fill_bulk_urb(entry, priv->udev, usb_rcvbulkpipe(priv->udev, 9),
- &priv->b_tx_status.buf, sizeof(priv->b_tx_status.buf),
- rtl8187b_status_cb, dev);
-
- usb_anchor_urb(entry, &priv->anchored);
- ret = usb_submit_urb(entry, GFP_KERNEL);
- if (ret)
- usb_unanchor_urb(entry);
- usb_free_urb(entry);
-
- return ret;
-}
-
-static void rtl8187_set_anaparam(struct rtl8187_priv *priv, bool rfon)
-{
- u32 anaparam, anaparam2;
- u8 anaparam3, reg;
-
- if (!priv->is_rtl8187b) {
- if (rfon) {
- anaparam = RTL8187_RTL8225_ANAPARAM_ON;
- anaparam2 = RTL8187_RTL8225_ANAPARAM2_ON;
- } else {
- anaparam = RTL8187_RTL8225_ANAPARAM_OFF;
- anaparam2 = RTL8187_RTL8225_ANAPARAM2_OFF;
- }
- } else {
- if (rfon) {
- anaparam = RTL8187B_RTL8225_ANAPARAM_ON;
- anaparam2 = RTL8187B_RTL8225_ANAPARAM2_ON;
- anaparam3 = RTL8187B_RTL8225_ANAPARAM3_ON;
- } else {
- anaparam = RTL8187B_RTL8225_ANAPARAM_OFF;
- anaparam2 = RTL8187B_RTL8225_ANAPARAM2_OFF;
- anaparam3 = RTL8187B_RTL8225_ANAPARAM3_OFF;
- }
- }
-
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
- RTL818X_EEPROM_CMD_CONFIG);
- reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
- reg |= RTL818X_CONFIG3_ANAPARAM_WRITE;
- rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg);
- rtl818x_iowrite32(priv, &priv->map->ANAPARAM, anaparam);
- rtl818x_iowrite32(priv, &priv->map->ANAPARAM2, anaparam2);
- if (priv->is_rtl8187b)
- rtl818x_iowrite8(priv, &priv->map->ANAPARAM3A, anaparam3);
- reg &= ~RTL818X_CONFIG3_ANAPARAM_WRITE;
- rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg);
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
- RTL818X_EEPROM_CMD_NORMAL);
-}
-
-static int rtl8187_cmd_reset(struct ieee80211_hw *dev)
-{
- struct rtl8187_priv *priv = dev->priv;
- u8 reg;
- int i;
-
- reg = rtl818x_ioread8(priv, &priv->map->CMD);
- reg &= (1 << 1);
- reg |= RTL818X_CMD_RESET;
- rtl818x_iowrite8(priv, &priv->map->CMD, reg);
-
- i = 10;
- do {
- msleep(2);
- if (!(rtl818x_ioread8(priv, &priv->map->CMD) &
- RTL818X_CMD_RESET))
- break;
- } while (--i);
-
- if (!i) {
- wiphy_err(dev->wiphy, "Reset timeout!\n");
- return -ETIMEDOUT;
- }
-
- /* reload registers from eeprom */
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_LOAD);
-
- i = 10;
- do {
- msleep(4);
- if (!(rtl818x_ioread8(priv, &priv->map->EEPROM_CMD) &
- RTL818X_EEPROM_CMD_CONFIG))
- break;
- } while (--i);
-
- if (!i) {
- wiphy_err(dev->wiphy, "eeprom reset timeout!\n");
- return -ETIMEDOUT;
- }
-
- return 0;
-}
-
-static int rtl8187_init_hw(struct ieee80211_hw *dev)
-{
- struct rtl8187_priv *priv = dev->priv;
- u8 reg;
- int res;
-
- /* reset */
- rtl8187_set_anaparam(priv, true);
-
- rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0);
-
- msleep(200);
- rtl818x_iowrite8(priv, (u8 *)0xFE18, 0x10);
- rtl818x_iowrite8(priv, (u8 *)0xFE18, 0x11);
- rtl818x_iowrite8(priv, (u8 *)0xFE18, 0x00);
- msleep(200);
-
- res = rtl8187_cmd_reset(dev);
- if (res)
- return res;
-
- rtl8187_set_anaparam(priv, true);
-
- /* setup card */
- rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0);
- rtl818x_iowrite8(priv, &priv->map->GPIO0, 0);
-
- rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, (4 << 8));
- rtl818x_iowrite8(priv, &priv->map->GPIO0, 1);
- rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0);
-
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
-
- rtl818x_iowrite16(priv, (__le16 *)0xFFF4, 0xFFFF);
- reg = rtl818x_ioread8(priv, &priv->map->CONFIG1);
- reg &= 0x3F;
- reg |= 0x80;
- rtl818x_iowrite8(priv, &priv->map->CONFIG1, reg);
-
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
-
- rtl818x_iowrite32(priv, &priv->map->INT_TIMEOUT, 0);
- rtl818x_iowrite8(priv, &priv->map->WPA_CONF, 0);
- rtl818x_iowrite8(priv, &priv->map->RATE_FALLBACK, 0);
-
- // TODO: set RESP_RATE and BRSR properly
- rtl818x_iowrite8(priv, &priv->map->RESP_RATE, (8 << 4) | 0);
- rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3);
-
- /* host_usb_init */
- rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0);
- rtl818x_iowrite8(priv, &priv->map->GPIO0, 0);
- reg = rtl818x_ioread8(priv, (u8 *)0xFE53);
- rtl818x_iowrite8(priv, (u8 *)0xFE53, reg | (1 << 7));
- rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, (4 << 8));
- rtl818x_iowrite8(priv, &priv->map->GPIO0, 0x20);
- rtl818x_iowrite8(priv, &priv->map->GP_ENABLE, 0);
- rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x80);
- rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x80);
- rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x80);
- msleep(100);
-
- rtl818x_iowrite32(priv, &priv->map->RF_TIMING, 0x000a8008);
- rtl818x_iowrite16(priv, &priv->map->BRSR, 0xFFFF);
- rtl818x_iowrite32(priv, &priv->map->RF_PARA, 0x00100044);
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
- RTL818X_EEPROM_CMD_CONFIG);
- rtl818x_iowrite8(priv, &priv->map->CONFIG3, 0x44);
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
- RTL818X_EEPROM_CMD_NORMAL);
- rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FF7);
- msleep(100);
-
- priv->rf->init(dev);
-
- rtl818x_iowrite16(priv, &priv->map->BRSR, 0x01F3);
- reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) & ~1;
- rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg | 1);
- rtl818x_iowrite16(priv, (__le16 *)0xFFFE, 0x10);
- rtl818x_iowrite8(priv, &priv->map->TALLY_SEL, 0x80);
- rtl818x_iowrite8(priv, (u8 *)0xFFFF, 0x60);
- rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg);
-
- return 0;
-}
-
-static const u8 rtl8187b_reg_table[][3] = {
- {0xF0, 0x32, 0}, {0xF1, 0x32, 0}, {0xF2, 0x00, 0}, {0xF3, 0x00, 0},
- {0xF4, 0x32, 0}, {0xF5, 0x43, 0}, {0xF6, 0x00, 0}, {0xF7, 0x00, 0},
- {0xF8, 0x46, 0}, {0xF9, 0xA4, 0}, {0xFA, 0x00, 0}, {0xFB, 0x00, 0},
- {0xFC, 0x96, 0}, {0xFD, 0xA4, 0}, {0xFE, 0x00, 0}, {0xFF, 0x00, 0},
-
- {0x58, 0x4B, 1}, {0x59, 0x00, 1}, {0x5A, 0x4B, 1}, {0x5B, 0x00, 1},
- {0x60, 0x4B, 1}, {0x61, 0x09, 1}, {0x62, 0x4B, 1}, {0x63, 0x09, 1},
- {0xCE, 0x0F, 1}, {0xCF, 0x00, 1}, {0xF0, 0x4E, 1}, {0xF1, 0x01, 1},
- {0xF2, 0x02, 1}, {0xF3, 0x03, 1}, {0xF4, 0x04, 1}, {0xF5, 0x05, 1},
- {0xF6, 0x06, 1}, {0xF7, 0x07, 1}, {0xF8, 0x08, 1},
-
- {0x4E, 0x00, 2}, {0x0C, 0x04, 2}, {0x21, 0x61, 2}, {0x22, 0x68, 2},
- {0x23, 0x6F, 2}, {0x24, 0x76, 2}, {0x25, 0x7D, 2}, {0x26, 0x84, 2},
- {0x27, 0x8D, 2}, {0x4D, 0x08, 2}, {0x50, 0x05, 2}, {0x51, 0xF5, 2},
- {0x52, 0x04, 2}, {0x53, 0xA0, 2}, {0x54, 0x1F, 2}, {0x55, 0x23, 2},
- {0x56, 0x45, 2}, {0x57, 0x67, 2}, {0x58, 0x08, 2}, {0x59, 0x08, 2},
- {0x5A, 0x08, 2}, {0x5B, 0x08, 2}, {0x60, 0x08, 2}, {0x61, 0x08, 2},
- {0x62, 0x08, 2}, {0x63, 0x08, 2}, {0x64, 0xCF, 2},
-
- {0x5B, 0x40, 0}, {0x84, 0x88, 0}, {0x85, 0x24, 0}, {0x88, 0x54, 0},
- {0x8B, 0xB8, 0}, {0x8C, 0x07, 0}, {0x8D, 0x00, 0}, {0x94, 0x1B, 0},
- {0x95, 0x12, 0}, {0x96, 0x00, 0}, {0x97, 0x06, 0}, {0x9D, 0x1A, 0},
- {0x9F, 0x10, 0}, {0xB4, 0x22, 0}, {0xBE, 0x80, 0}, {0xDB, 0x00, 0},
- {0xEE, 0x00, 0}, {0x4C, 0x00, 2},
-
- {0x9F, 0x00, 3}, {0x8C, 0x01, 0}, {0x8D, 0x10, 0}, {0x8E, 0x08, 0},
- {0x8F, 0x00, 0}
-};
-
-static int rtl8187b_init_hw(struct ieee80211_hw *dev)
-{
- struct rtl8187_priv *priv = dev->priv;
- int res, i;
- u8 reg;
-
- rtl8187_set_anaparam(priv, true);
-
- /* Reset PLL sequence on 8187B. Realtek note: reduces power
- * consumption about 30 mA */
- rtl818x_iowrite8(priv, (u8 *)0xFF61, 0x10);
- reg = rtl818x_ioread8(priv, (u8 *)0xFF62);
- rtl818x_iowrite8(priv, (u8 *)0xFF62, reg & ~(1 << 5));
- rtl818x_iowrite8(priv, (u8 *)0xFF62, reg | (1 << 5));
-
- res = rtl8187_cmd_reset(dev);
- if (res)
- return res;
-
- rtl8187_set_anaparam(priv, true);
-
- /* BRSR (Basic Rate Set Register) on 8187B looks to be the same as
- * RESP_RATE on 8187L in Realtek sources: each bit should be each
- * one of the 12 rates, all are enabled */
- rtl818x_iowrite16(priv, (__le16 *)0xFF34, 0x0FFF);
-
- reg = rtl818x_ioread8(priv, &priv->map->CW_CONF);
- reg |= RTL818X_CW_CONF_PERPACKET_RETRY;
- rtl818x_iowrite8(priv, &priv->map->CW_CONF, reg);
-
- /* Auto Rate Fallback Register (ARFR): 1M-54M setting */
- rtl818x_iowrite16_idx(priv, (__le16 *)0xFFE0, 0x0FFF, 1);
- rtl818x_iowrite8_idx(priv, (u8 *)0xFFE2, 0x00, 1);
-
- rtl818x_iowrite16_idx(priv, (__le16 *)0xFFD4, 0xFFFF, 1);
-
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
- RTL818X_EEPROM_CMD_CONFIG);
- reg = rtl818x_ioread8(priv, &priv->map->CONFIG1);
- rtl818x_iowrite8(priv, &priv->map->CONFIG1, (reg & 0x3F) | 0x80);
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD,
- RTL818X_EEPROM_CMD_NORMAL);
-
- rtl818x_iowrite8(priv, &priv->map->WPA_CONF, 0);
- for (i = 0; i < ARRAY_SIZE(rtl8187b_reg_table); i++) {
- rtl818x_iowrite8_idx(priv,
- (u8 *)(uintptr_t)
- (rtl8187b_reg_table[i][0] | 0xFF00),
- rtl8187b_reg_table[i][1],
- rtl8187b_reg_table[i][2]);
- }
-
- rtl818x_iowrite16(priv, &priv->map->TID_AC_MAP, 0xFA50);
- rtl818x_iowrite16(priv, &priv->map->INT_MIG, 0);
-
- rtl818x_iowrite32_idx(priv, (__le32 *)0xFFF0, 0, 1);
- rtl818x_iowrite32_idx(priv, (__le32 *)0xFFF4, 0, 1);
- rtl818x_iowrite8_idx(priv, (u8 *)0xFFF8, 0, 1);
-
- rtl818x_iowrite32(priv, &priv->map->RF_TIMING, 0x00004001);
-
- /* RFSW_CTRL register */
- rtl818x_iowrite16_idx(priv, (__le16 *)0xFF72, 0x569A, 2);
-
- rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x0480);
- rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, 0x2488);
- rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, 0x1FFF);
- msleep(100);
-
- priv->rf->init(dev);
-
- reg = RTL818X_CMD_TX_ENABLE | RTL818X_CMD_RX_ENABLE;
- rtl818x_iowrite8(priv, &priv->map->CMD, reg);
- rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0xFFFF);
-
- rtl818x_iowrite8(priv, (u8 *)0xFE41, 0xF4);
- rtl818x_iowrite8(priv, (u8 *)0xFE40, 0x00);
- rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x00);
- rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x01);
- rtl818x_iowrite8(priv, (u8 *)0xFE40, 0x0F);
- rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x00);
- rtl818x_iowrite8(priv, (u8 *)0xFE42, 0x01);
-
- reg = rtl818x_ioread8(priv, (u8 *)0xFFDB);
- rtl818x_iowrite8(priv, (u8 *)0xFFDB, reg | (1 << 2));
- rtl818x_iowrite16_idx(priv, (__le16 *)0xFF72, 0x59FA, 3);
- rtl818x_iowrite16_idx(priv, (__le16 *)0xFF74, 0x59D2, 3);
- rtl818x_iowrite16_idx(priv, (__le16 *)0xFF76, 0x59D2, 3);
- rtl818x_iowrite16_idx(priv, (__le16 *)0xFF78, 0x19FA, 3);
- rtl818x_iowrite16_idx(priv, (__le16 *)0xFF7A, 0x19FA, 3);
- rtl818x_iowrite16_idx(priv, (__le16 *)0xFF7C, 0x00D0, 3);
- rtl818x_iowrite8(priv, (u8 *)0xFF61, 0);
- rtl818x_iowrite8_idx(priv, (u8 *)0xFF80, 0x0F, 1);
- rtl818x_iowrite8_idx(priv, (u8 *)0xFF83, 0x03, 1);
- rtl818x_iowrite8(priv, (u8 *)0xFFDA, 0x10);
- rtl818x_iowrite8_idx(priv, (u8 *)0xFF4D, 0x08, 2);
-
- rtl818x_iowrite32(priv, &priv->map->HSSI_PARA, 0x0600321B);
-
- rtl818x_iowrite16_idx(priv, (__le16 *)0xFFEC, 0x0800, 1);
-
- priv->slot_time = 0x9;
- priv->aifsn[0] = 2; /* AIFSN[AC_VO] */
- priv->aifsn[1] = 2; /* AIFSN[AC_VI] */
- priv->aifsn[2] = 7; /* AIFSN[AC_BK] */
- priv->aifsn[3] = 3; /* AIFSN[AC_BE] */
- rtl818x_iowrite8(priv, &priv->map->ACM_CONTROL, 0);
-
- /* ENEDCA flag must always be set, transmit issues? */
- rtl818x_iowrite8(priv, &priv->map->MSR, RTL818X_MSR_ENEDCA);
-
- return 0;
-}
-
-static void rtl8187_work(struct work_struct *work)
-{
- /* The RTL8187 returns the retry count through register 0xFFFA. In
- * addition, it appears to be a cumulative retry count, not the
- * value for the current TX packet. When multiple TX entries are
- * waiting in the queue, the retry count will be the total for all.
- * The "error" may matter for purposes of rate setting, but there is
- * no other choice with this hardware.
- */
- struct rtl8187_priv *priv = container_of(work, struct rtl8187_priv,
- work.work);
- struct ieee80211_tx_info *info;
- struct ieee80211_hw *dev = priv->dev;
- static u16 retry;
- u16 tmp;
- u16 avg_retry;
- int length;
-
- mutex_lock(&priv->conf_mutex);
- tmp = rtl818x_ioread16(priv, (__le16 *)0xFFFA);
- length = skb_queue_len(&priv->b_tx_status.queue);
- if (unlikely(!length))
- length = 1;
- if (unlikely(tmp < retry))
- tmp = retry;
- avg_retry = (tmp - retry) / length;
- while (skb_queue_len(&priv->b_tx_status.queue) > 0) {
- struct sk_buff *old_skb;
-
- old_skb = skb_dequeue(&priv->b_tx_status.queue);
- info = IEEE80211_SKB_CB(old_skb);
- info->status.rates[0].count = avg_retry + 1;
- if (info->status.rates[0].count > RETRY_COUNT)
- info->flags &= ~IEEE80211_TX_STAT_ACK;
- ieee80211_tx_status_irqsafe(dev, old_skb);
- }
- retry = tmp;
- mutex_unlock(&priv->conf_mutex);
-}
-
-static int rtl8187_start(struct ieee80211_hw *dev)
-{
- struct rtl8187_priv *priv = dev->priv;
- u32 reg;
- int ret;
-
- mutex_lock(&priv->conf_mutex);
-
- ret = (!priv->is_rtl8187b) ? rtl8187_init_hw(dev) :
- rtl8187b_init_hw(dev);
- if (ret)
- goto rtl8187_start_exit;
-
- init_usb_anchor(&priv->anchored);
- priv->dev = dev;
-
- if (priv->is_rtl8187b) {
- reg = RTL818X_RX_CONF_MGMT |
- RTL818X_RX_CONF_DATA |
- RTL818X_RX_CONF_BROADCAST |
- RTL818X_RX_CONF_NICMAC |
- RTL818X_RX_CONF_BSSID |
- (7 << 13 /* RX FIFO threshold NONE */) |
- (7 << 10 /* MAX RX DMA */) |
- RTL818X_RX_CONF_RX_AUTORESETPHY |
- RTL818X_RX_CONF_ONLYERLPKT |
- RTL818X_RX_CONF_MULTICAST;
- priv->rx_conf = reg;
- rtl818x_iowrite32(priv, &priv->map->RX_CONF, reg);
-
- reg = rtl818x_ioread8(priv, &priv->map->TX_AGC_CTL);
- reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_GAIN;
- reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL;
- reg &= ~RTL818X_TX_AGC_CTL_FEEDBACK_ANT;
- rtl818x_iowrite8(priv, &priv->map->TX_AGC_CTL, reg);
-
- rtl818x_iowrite32(priv, &priv->map->TX_CONF,
- RTL818X_TX_CONF_HW_SEQNUM |
- RTL818X_TX_CONF_DISREQQSIZE |
- (RETRY_COUNT << 8 /* short retry limit */) |
- (RETRY_COUNT << 0 /* long retry limit */) |
- (7 << 21 /* MAX TX DMA */));
- ret = rtl8187_init_urbs(dev);
- if (ret)
- goto rtl8187_start_exit;
- ret = rtl8187b_init_status_urb(dev);
- if (ret)
- usb_kill_anchored_urbs(&priv->anchored);
- goto rtl8187_start_exit;
- }
-
- rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0xFFFF);
-
- rtl818x_iowrite32(priv, &priv->map->MAR[0], ~0);
- rtl818x_iowrite32(priv, &priv->map->MAR[1], ~0);
-
- ret = rtl8187_init_urbs(dev);
- if (ret)
- goto rtl8187_start_exit;
-
- reg = RTL818X_RX_CONF_ONLYERLPKT |
- RTL818X_RX_CONF_RX_AUTORESETPHY |
- RTL818X_RX_CONF_BSSID |
- RTL818X_RX_CONF_MGMT |
- RTL818X_RX_CONF_DATA |
- (7 << 13 /* RX FIFO threshold NONE */) |
- (7 << 10 /* MAX RX DMA */) |
- RTL818X_RX_CONF_BROADCAST |
- RTL818X_RX_CONF_NICMAC;
-
- priv->rx_conf = reg;
- rtl818x_iowrite32(priv, &priv->map->RX_CONF, reg);
-
- reg = rtl818x_ioread8(priv, &priv->map->CW_CONF);
- reg &= ~RTL818X_CW_CONF_PERPACKET_CW;
- reg |= RTL818X_CW_CONF_PERPACKET_RETRY;
- rtl818x_iowrite8(priv, &priv->map->CW_CONF, reg);
-
- reg = rtl818x_ioread8(priv, &priv->map->TX_AGC_CTL);
- reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_GAIN;
- reg &= ~RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL;
- reg &= ~RTL818X_TX_AGC_CTL_FEEDBACK_ANT;
- rtl818x_iowrite8(priv, &priv->map->TX_AGC_CTL, reg);
-
- reg = RTL818X_TX_CONF_CW_MIN |
- (7 << 21 /* MAX TX DMA */) |
- RTL818X_TX_CONF_NO_ICV;
- rtl818x_iowrite32(priv, &priv->map->TX_CONF, reg);
-
- reg = rtl818x_ioread8(priv, &priv->map->CMD);
- reg |= RTL818X_CMD_TX_ENABLE;
- reg |= RTL818X_CMD_RX_ENABLE;
- rtl818x_iowrite8(priv, &priv->map->CMD, reg);
- INIT_DELAYED_WORK(&priv->work, rtl8187_work);
-
-rtl8187_start_exit:
- mutex_unlock(&priv->conf_mutex);
- return ret;
-}
-
-static void rtl8187_stop(struct ieee80211_hw *dev)
-{
- struct rtl8187_priv *priv = dev->priv;
- struct sk_buff *skb;
- u32 reg;
-
- mutex_lock(&priv->conf_mutex);
- rtl818x_iowrite16(priv, &priv->map->INT_MASK, 0);
-
- reg = rtl818x_ioread8(priv, &priv->map->CMD);
- reg &= ~RTL818X_CMD_TX_ENABLE;
- reg &= ~RTL818X_CMD_RX_ENABLE;
- rtl818x_iowrite8(priv, &priv->map->CMD, reg);
-
- priv->rf->stop(dev);
- rtl8187_set_anaparam(priv, false);
-
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
- reg = rtl818x_ioread8(priv, &priv->map->CONFIG4);
- rtl818x_iowrite8(priv, &priv->map->CONFIG4, reg | RTL818X_CONFIG4_VCOOFF);
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
-
- while ((skb = skb_dequeue(&priv->b_tx_status.queue)))
- dev_kfree_skb_any(skb);
-
- usb_kill_anchored_urbs(&priv->anchored);
- mutex_unlock(&priv->conf_mutex);
-
- if (!priv->is_rtl8187b)
- cancel_delayed_work_sync(&priv->work);
-}
-
-static u64 rtl8187_get_tsf(struct ieee80211_hw *dev, struct ieee80211_vif *vif)
-{
- struct rtl8187_priv *priv = dev->priv;
-
- return rtl818x_ioread32(priv, &priv->map->TSFT[0]) |
- (u64)(rtl818x_ioread32(priv, &priv->map->TSFT[1])) << 32;
-}
-
-
-static void rtl8187_beacon_work(struct work_struct *work)
-{
- struct rtl8187_vif *vif_priv =
- container_of(work, struct rtl8187_vif, beacon_work.work);
- struct ieee80211_vif *vif =
- container_of((void *)vif_priv, struct ieee80211_vif, drv_priv);
- struct ieee80211_hw *dev = vif_priv->dev;
- struct ieee80211_mgmt *mgmt;
- struct sk_buff *skb;
-
- /* don't overflow the tx ring */
- if (ieee80211_queue_stopped(dev, 0))
- goto resched;
-
- /* grab a fresh beacon */
- skb = ieee80211_beacon_get(dev, vif);
- if (!skb)
- goto resched;
-
- /*
- * update beacon timestamp w/ TSF value
- * TODO: make hardware update beacon timestamp
- */
- mgmt = (struct ieee80211_mgmt *)skb->data;
- mgmt->u.beacon.timestamp = cpu_to_le64(rtl8187_get_tsf(dev, vif));
-
- /* TODO: use actual beacon queue */
- skb_set_queue_mapping(skb, 0);
-
- rtl8187_tx(dev, NULL, skb);
-
-resched:
- /*
- * schedule next beacon
- * TODO: use hardware support for beacon timing
- */
- schedule_delayed_work(&vif_priv->beacon_work,
- usecs_to_jiffies(1024 * vif->bss_conf.beacon_int));
-}
-
-
-static int rtl8187_add_interface(struct ieee80211_hw *dev,
- struct ieee80211_vif *vif)
-{
- struct rtl8187_priv *priv = dev->priv;
- struct rtl8187_vif *vif_priv;
- int i;
- int ret = -EOPNOTSUPP;
-
- mutex_lock(&priv->conf_mutex);
- if (priv->vif)
- goto exit;
-
- switch (vif->type) {
- case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_ADHOC:
- break;
- default:
- goto exit;
- }
-
- ret = 0;
- priv->vif = vif;
-
- /* Initialize driver private area */
- vif_priv = (struct rtl8187_vif *)&vif->drv_priv;
- vif_priv->dev = dev;
- INIT_DELAYED_WORK(&vif_priv->beacon_work, rtl8187_beacon_work);
- vif_priv->enable_beacon = false;
-
-
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
- for (i = 0; i < ETH_ALEN; i++)
- rtl818x_iowrite8(priv, &priv->map->MAC[i],
- ((u8 *)vif->addr)[i]);
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
-
-exit:
- mutex_unlock(&priv->conf_mutex);
- return ret;
-}
-
-static void rtl8187_remove_interface(struct ieee80211_hw *dev,
- struct ieee80211_vif *vif)
-{
- struct rtl8187_priv *priv = dev->priv;
- mutex_lock(&priv->conf_mutex);
- priv->vif = NULL;
- mutex_unlock(&priv->conf_mutex);
-}
-
-static int rtl8187_config(struct ieee80211_hw *dev, u32 changed)
-{
- struct rtl8187_priv *priv = dev->priv;
- struct ieee80211_conf *conf = &dev->conf;
- u32 reg;
-
- mutex_lock(&priv->conf_mutex);
- reg = rtl818x_ioread32(priv, &priv->map->TX_CONF);
- /* Enable TX loopback on MAC level to avoid TX during channel
- * changes, as this has be seen to causes problems and the
- * card will stop work until next reset
- */
- rtl818x_iowrite32(priv, &priv->map->TX_CONF,
- reg | RTL818X_TX_CONF_LOOPBACK_MAC);
- priv->rf->set_chan(dev, conf);
- msleep(10);
- rtl818x_iowrite32(priv, &priv->map->TX_CONF, reg);
-
- rtl818x_iowrite16(priv, &priv->map->ATIM_WND, 2);
- rtl818x_iowrite16(priv, &priv->map->ATIMTR_INTERVAL, 100);
- rtl818x_iowrite16(priv, &priv->map->BEACON_INTERVAL, 100);
- rtl818x_iowrite16(priv, &priv->map->BEACON_INTERVAL_TIME, 100);
- mutex_unlock(&priv->conf_mutex);
- return 0;
-}
-
-/*
- * With 8187B, AC_*_PARAM clashes with FEMR definition in struct rtl818x_csr for
- * example. Thus we have to use raw values for AC_*_PARAM register addresses.
- */
-static __le32 *rtl8187b_ac_addr[4] = {
- (__le32 *) 0xFFF0, /* AC_VO */
- (__le32 *) 0xFFF4, /* AC_VI */
- (__le32 *) 0xFFFC, /* AC_BK */
- (__le32 *) 0xFFF8, /* AC_BE */
-};
-
-#define SIFS_TIME 0xa
-
-static void rtl8187_conf_erp(struct rtl8187_priv *priv, bool use_short_slot,
- bool use_short_preamble)
-{
- if (priv->is_rtl8187b) {
- u8 difs, eifs;
- u16 ack_timeout;
- int queue;
-
- if (use_short_slot) {
- priv->slot_time = 0x9;
- difs = 0x1c;
- eifs = 0x53;
- } else {
- priv->slot_time = 0x14;
- difs = 0x32;
- eifs = 0x5b;
- }
- rtl818x_iowrite8(priv, &priv->map->SIFS, 0x22);
- rtl818x_iowrite8(priv, &priv->map->SLOT, priv->slot_time);
- rtl818x_iowrite8(priv, &priv->map->DIFS, difs);
-
- /*
- * BRSR+1 on 8187B is in fact EIFS register
- * Value in units of 4 us
- */
- rtl818x_iowrite8(priv, (u8 *)&priv->map->BRSR + 1, eifs);
-
- /*
- * For 8187B, CARRIER_SENSE_COUNTER is in fact ack timeout
- * register. In units of 4 us like eifs register
- * ack_timeout = ack duration + plcp + difs + preamble
- */
- ack_timeout = 112 + 48 + difs;
- if (use_short_preamble)
- ack_timeout += 72;
- else
- ack_timeout += 144;
- rtl818x_iowrite8(priv, &priv->map->CARRIER_SENSE_COUNTER,
- DIV_ROUND_UP(ack_timeout, 4));
-
- for (queue = 0; queue < 4; queue++)
- rtl818x_iowrite8(priv, (u8 *) rtl8187b_ac_addr[queue],
- priv->aifsn[queue] * priv->slot_time +
- SIFS_TIME);
- } else {
- rtl818x_iowrite8(priv, &priv->map->SIFS, 0x22);
- if (use_short_slot) {
- rtl818x_iowrite8(priv, &priv->map->SLOT, 0x9);
- rtl818x_iowrite8(priv, &priv->map->DIFS, 0x14);
- rtl818x_iowrite8(priv, &priv->map->EIFS, 91 - 0x14);
- } else {
- rtl818x_iowrite8(priv, &priv->map->SLOT, 0x14);
- rtl818x_iowrite8(priv, &priv->map->DIFS, 0x24);
- rtl818x_iowrite8(priv, &priv->map->EIFS, 91 - 0x24);
- }
- }
-}
-
-static void rtl8187_bss_info_changed(struct ieee80211_hw *dev,
- struct ieee80211_vif *vif,
- struct ieee80211_bss_conf *info,
- u32 changed)
-{
- struct rtl8187_priv *priv = dev->priv;
- struct rtl8187_vif *vif_priv;
- int i;
- u8 reg;
-
- vif_priv = (struct rtl8187_vif *)&vif->drv_priv;
-
- if (changed & BSS_CHANGED_BSSID) {
- mutex_lock(&priv->conf_mutex);
- for (i = 0; i < ETH_ALEN; i++)
- rtl818x_iowrite8(priv, &priv->map->BSSID[i],
- info->bssid[i]);
-
- if (priv->is_rtl8187b)
- reg = RTL818X_MSR_ENEDCA;
- else
- reg = 0;
-
- if (is_valid_ether_addr(info->bssid)) {
- if (vif->type == NL80211_IFTYPE_ADHOC)
- reg |= RTL818X_MSR_ADHOC;
- else
- reg |= RTL818X_MSR_INFRA;
- }
- else
- reg |= RTL818X_MSR_NO_LINK;
-
- rtl818x_iowrite8(priv, &priv->map->MSR, reg);
-
- mutex_unlock(&priv->conf_mutex);
- }
-
- if (changed & (BSS_CHANGED_ERP_SLOT | BSS_CHANGED_ERP_PREAMBLE))
- rtl8187_conf_erp(priv, info->use_short_slot,
- info->use_short_preamble);
-
- if (changed & BSS_CHANGED_BEACON_ENABLED)
- vif_priv->enable_beacon = info->enable_beacon;
-
- if (changed & (BSS_CHANGED_BEACON_ENABLED | BSS_CHANGED_BEACON)) {
- cancel_delayed_work_sync(&vif_priv->beacon_work);
- if (vif_priv->enable_beacon)
- schedule_work(&vif_priv->beacon_work.work);
- }
-
-}
-
-static u64 rtl8187_prepare_multicast(struct ieee80211_hw *dev,
- struct netdev_hw_addr_list *mc_list)
-{
- return netdev_hw_addr_list_count(mc_list);
-}
-
-static void rtl8187_configure_filter(struct ieee80211_hw *dev,
- unsigned int changed_flags,
- unsigned int *total_flags,
- u64 multicast)
-{
- struct rtl8187_priv *priv = dev->priv;
-
- if (changed_flags & FIF_FCSFAIL)
- priv->rx_conf ^= RTL818X_RX_CONF_FCS;
- if (changed_flags & FIF_CONTROL)
- priv->rx_conf ^= RTL818X_RX_CONF_CTRL;
- if (changed_flags & FIF_OTHER_BSS)
- priv->rx_conf ^= RTL818X_RX_CONF_MONITOR;
- if (*total_flags & FIF_ALLMULTI || multicast > 0)
- priv->rx_conf |= RTL818X_RX_CONF_MULTICAST;
- else
- priv->rx_conf &= ~RTL818X_RX_CONF_MULTICAST;
-
- *total_flags = 0;
-
- if (priv->rx_conf & RTL818X_RX_CONF_FCS)
- *total_flags |= FIF_FCSFAIL;
- if (priv->rx_conf & RTL818X_RX_CONF_CTRL)
- *total_flags |= FIF_CONTROL;
- if (priv->rx_conf & RTL818X_RX_CONF_MONITOR)
- *total_flags |= FIF_OTHER_BSS;
- if (priv->rx_conf & RTL818X_RX_CONF_MULTICAST)
- *total_flags |= FIF_ALLMULTI;
-
- rtl818x_iowrite32_async(priv, &priv->map->RX_CONF, priv->rx_conf);
-}
-
-static int rtl8187_conf_tx(struct ieee80211_hw *dev,
- struct ieee80211_vif *vif, u16 queue,
- const struct ieee80211_tx_queue_params *params)
-{
- struct rtl8187_priv *priv = dev->priv;
- u8 cw_min, cw_max;
-
- if (queue > 3)
- return -EINVAL;
-
- cw_min = fls(params->cw_min);
- cw_max = fls(params->cw_max);
-
- if (priv->is_rtl8187b) {
- priv->aifsn[queue] = params->aifs;
-
- /*
- * This is the structure of AC_*_PARAM registers in 8187B:
- * - TXOP limit field, bit offset = 16
- * - ECWmax, bit offset = 12
- * - ECWmin, bit offset = 8
- * - AIFS, bit offset = 0
- */
- rtl818x_iowrite32(priv, rtl8187b_ac_addr[queue],
- (params->txop << 16) | (cw_max << 12) |
- (cw_min << 8) | (params->aifs *
- priv->slot_time + SIFS_TIME));
- } else {
- if (queue != 0)
- return -EINVAL;
-
- rtl818x_iowrite8(priv, &priv->map->CW_VAL,
- cw_min | (cw_max << 4));
- }
- return 0;
-}
-
-
-static const struct ieee80211_ops rtl8187_ops = {
- .tx = rtl8187_tx,
- .start = rtl8187_start,
- .stop = rtl8187_stop,
- .add_interface = rtl8187_add_interface,
- .remove_interface = rtl8187_remove_interface,
- .config = rtl8187_config,
- .bss_info_changed = rtl8187_bss_info_changed,
- .prepare_multicast = rtl8187_prepare_multicast,
- .configure_filter = rtl8187_configure_filter,
- .conf_tx = rtl8187_conf_tx,
- .rfkill_poll = rtl8187_rfkill_poll,
- .get_tsf = rtl8187_get_tsf,
-};
-
-static void rtl8187_eeprom_register_read(struct eeprom_93cx6 *eeprom)
-{
- struct ieee80211_hw *dev = eeprom->data;
- struct rtl8187_priv *priv = dev->priv;
- u8 reg = rtl818x_ioread8(priv, &priv->map->EEPROM_CMD);
-
- eeprom->reg_data_in = reg & RTL818X_EEPROM_CMD_WRITE;
- eeprom->reg_data_out = reg & RTL818X_EEPROM_CMD_READ;
- eeprom->reg_data_clock = reg & RTL818X_EEPROM_CMD_CK;
- eeprom->reg_chip_select = reg & RTL818X_EEPROM_CMD_CS;
-}
-
-static void rtl8187_eeprom_register_write(struct eeprom_93cx6 *eeprom)
-{
- struct ieee80211_hw *dev = eeprom->data;
- struct rtl8187_priv *priv = dev->priv;
- u8 reg = RTL818X_EEPROM_CMD_PROGRAM;
-
- if (eeprom->reg_data_in)
- reg |= RTL818X_EEPROM_CMD_WRITE;
- if (eeprom->reg_data_out)
- reg |= RTL818X_EEPROM_CMD_READ;
- if (eeprom->reg_data_clock)
- reg |= RTL818X_EEPROM_CMD_CK;
- if (eeprom->reg_chip_select)
- reg |= RTL818X_EEPROM_CMD_CS;
-
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, reg);
- udelay(10);
-}
-
-static int rtl8187_probe(struct usb_interface *intf,
- const struct usb_device_id *id)
-{
- struct usb_device *udev = interface_to_usbdev(intf);
- struct ieee80211_hw *dev;
- struct rtl8187_priv *priv;
- struct eeprom_93cx6 eeprom;
- struct ieee80211_channel *channel;
- const char *chip_name;
- u16 txpwr, reg;
- u16 product_id = le16_to_cpu(udev->descriptor.idProduct);
- int err, i;
- u8 mac_addr[ETH_ALEN];
-
- dev = ieee80211_alloc_hw(sizeof(*priv), &rtl8187_ops);
- if (!dev) {
- printk(KERN_ERR "rtl8187: ieee80211 alloc failed\n");
- return -ENOMEM;
- }
-
- priv = dev->priv;
- priv->is_rtl8187b = (id->driver_info == DEVICE_RTL8187B);
-
- /* allocate "DMA aware" buffer for register accesses */
- priv->io_dmabuf = kmalloc(sizeof(*priv->io_dmabuf), GFP_KERNEL);
- if (!priv->io_dmabuf) {
- err = -ENOMEM;
- goto err_free_dev;
- }
- mutex_init(&priv->io_mutex);
-
- SET_IEEE80211_DEV(dev, &intf->dev);
- usb_set_intfdata(intf, dev);
- priv->udev = udev;
-
- usb_get_dev(udev);
-
- skb_queue_head_init(&priv->rx_queue);
-
- BUILD_BUG_ON(sizeof(priv->channels) != sizeof(rtl818x_channels));
- BUILD_BUG_ON(sizeof(priv->rates) != sizeof(rtl818x_rates));
-
- memcpy(priv->channels, rtl818x_channels, sizeof(rtl818x_channels));
- memcpy(priv->rates, rtl818x_rates, sizeof(rtl818x_rates));
- priv->map = (struct rtl818x_csr *)0xFF00;
-
- priv->band.band = IEEE80211_BAND_2GHZ;
- priv->band.channels = priv->channels;
- priv->band.n_channels = ARRAY_SIZE(rtl818x_channels);
- priv->band.bitrates = priv->rates;
- priv->band.n_bitrates = ARRAY_SIZE(rtl818x_rates);
- dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
-
-
- dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
- IEEE80211_HW_SIGNAL_DBM |
- IEEE80211_HW_RX_INCLUDES_FCS;
- /* Initialize rate-control variables */
- dev->max_rates = 1;
- dev->max_rate_tries = RETRY_COUNT;
-
- eeprom.data = dev;
- eeprom.register_read = rtl8187_eeprom_register_read;
- eeprom.register_write = rtl8187_eeprom_register_write;
- if (rtl818x_ioread32(priv, &priv->map->RX_CONF) & (1 << 6))
- eeprom.width = PCI_EEPROM_WIDTH_93C66;
- else
- eeprom.width = PCI_EEPROM_WIDTH_93C46;
-
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
- udelay(10);
-
- eeprom_93cx6_multiread(&eeprom, RTL8187_EEPROM_MAC_ADDR,
- (__le16 __force *)mac_addr, 3);
- if (!is_valid_ether_addr(mac_addr)) {
- printk(KERN_WARNING "rtl8187: Invalid hwaddr! Using randomly "
- "generated MAC address\n");
- eth_random_addr(mac_addr);
- }
- SET_IEEE80211_PERM_ADDR(dev, mac_addr);
-
- channel = priv->channels;
- for (i = 0; i < 3; i++) {
- eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_1 + i,
- &txpwr);
- (*channel++).hw_value = txpwr & 0xFF;
- (*channel++).hw_value = txpwr >> 8;
- }
- for (i = 0; i < 2; i++) {
- eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_4 + i,
- &txpwr);
- (*channel++).hw_value = txpwr & 0xFF;
- (*channel++).hw_value = txpwr >> 8;
- }
-
- eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_BASE,
- &priv->txpwr_base);
-
- reg = rtl818x_ioread8(priv, &priv->map->PGSELECT) & ~1;
- rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg | 1);
- /* 0 means asic B-cut, we should use SW 3 wire
- * bit-by-bit banging for radio. 1 means we can use
- * USB specific request to write radio registers */
- priv->asic_rev = rtl818x_ioread8(priv, (u8 *)0xFFFE) & 0x3;
- rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg);
- rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
-
- if (!priv->is_rtl8187b) {
- u32 reg32;
- reg32 = rtl818x_ioread32(priv, &priv->map->TX_CONF);
- reg32 &= RTL818X_TX_CONF_HWVER_MASK;
- switch (reg32) {
- case RTL818X_TX_CONF_R8187vD_B:
- /* Some RTL8187B devices have a USB ID of 0x8187
- * detect them here */
- chip_name = "RTL8187BvB(early)";
- priv->is_rtl8187b = 1;
- priv->hw_rev = RTL8187BvB;
- break;
- case RTL818X_TX_CONF_R8187vD:
- chip_name = "RTL8187vD";
- break;
- default:
- chip_name = "RTL8187vB (default)";
- }
- } else {
- /*
- * Force USB request to write radio registers for 8187B, Realtek
- * only uses it in their sources
- */
- /*if (priv->asic_rev == 0) {
- printk(KERN_WARNING "rtl8187: Forcing use of USB "
- "requests to write to radio registers\n");
- priv->asic_rev = 1;
- }*/
- switch (rtl818x_ioread8(priv, (u8 *)0xFFE1)) {
- case RTL818X_R8187B_B:
- chip_name = "RTL8187BvB";
- priv->hw_rev = RTL8187BvB;
- break;
- case RTL818X_R8187B_D:
- chip_name = "RTL8187BvD";
- priv->hw_rev = RTL8187BvD;
- break;
- case RTL818X_R8187B_E:
- chip_name = "RTL8187BvE";
- priv->hw_rev = RTL8187BvE;
- break;
- default:
- chip_name = "RTL8187BvB (default)";
- priv->hw_rev = RTL8187BvB;
- }
- }
-
- if (!priv->is_rtl8187b) {
- for (i = 0; i < 2; i++) {
- eeprom_93cx6_read(&eeprom,
- RTL8187_EEPROM_TXPWR_CHAN_6 + i,
- &txpwr);
- (*channel++).hw_value = txpwr & 0xFF;
- (*channel++).hw_value = txpwr >> 8;
- }
- } else {
- eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_TXPWR_CHAN_6,
- &txpwr);
- (*channel++).hw_value = txpwr & 0xFF;
-
- eeprom_93cx6_read(&eeprom, 0x0A, &txpwr);
- (*channel++).hw_value = txpwr & 0xFF;
-
- eeprom_93cx6_read(&eeprom, 0x1C, &txpwr);
- (*channel++).hw_value = txpwr & 0xFF;
- (*channel++).hw_value = txpwr >> 8;
- }
- /* Handle the differing rfkill GPIO bit in different models */
- priv->rfkill_mask = RFKILL_MASK_8187_89_97;
- if (product_id == 0x8197 || product_id == 0x8198) {
- eeprom_93cx6_read(&eeprom, RTL8187_EEPROM_SELECT_GPIO, ®);
- if (reg & 0xFF00)
- priv->rfkill_mask = RFKILL_MASK_8198;
- }
- dev->vif_data_size = sizeof(struct rtl8187_vif);
- dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_ADHOC) ;
-
- if ((id->driver_info == DEVICE_RTL8187) && priv->is_rtl8187b)
- printk(KERN_INFO "rtl8187: inconsistency between id with OEM"
- " info!\n");
-
- priv->rf = rtl8187_detect_rf(dev);
- dev->extra_tx_headroom = (!priv->is_rtl8187b) ?
- sizeof(struct rtl8187_tx_hdr) :
- sizeof(struct rtl8187b_tx_hdr);
- if (!priv->is_rtl8187b)
- dev->queues = 1;
- else
- dev->queues = 4;
-
- err = ieee80211_register_hw(dev);
- if (err) {
- printk(KERN_ERR "rtl8187: Cannot register device\n");
- goto err_free_dmabuf;
- }
- mutex_init(&priv->conf_mutex);
- skb_queue_head_init(&priv->b_tx_status.queue);
-
- wiphy_info(dev->wiphy, "hwaddr %pM, %s V%d + %s, rfkill mask %d\n",
- mac_addr, chip_name, priv->asic_rev, priv->rf->name,
- priv->rfkill_mask);
-
-#ifdef CONFIG_RTL8187_LEDS
- eeprom_93cx6_read(&eeprom, 0x3F, ®);
- reg &= 0xFF;
- rtl8187_leds_init(dev, reg);
-#endif
- rtl8187_rfkill_init(dev);
-
- return 0;
-
- err_free_dmabuf:
- kfree(priv->io_dmabuf);
- usb_set_intfdata(intf, NULL);
- usb_put_dev(udev);
- err_free_dev:
- ieee80211_free_hw(dev);
- return err;
-}
-
-static void rtl8187_disconnect(struct usb_interface *intf)
-{
- struct ieee80211_hw *dev = usb_get_intfdata(intf);
- struct rtl8187_priv *priv;
-
- if (!dev)
- return;
-
-#ifdef CONFIG_RTL8187_LEDS
- rtl8187_leds_exit(dev);
-#endif
- rtl8187_rfkill_exit(dev);
- ieee80211_unregister_hw(dev);
-
- priv = dev->priv;
- usb_reset_device(priv->udev);
- usb_put_dev(interface_to_usbdev(intf));
- kfree(priv->io_dmabuf);
- ieee80211_free_hw(dev);
-}
-
-static struct usb_driver rtl8187_driver = {
- .name = KBUILD_MODNAME,
- .id_table = rtl8187_table,
- .probe = rtl8187_probe,
- .disconnect = rtl8187_disconnect,
- .disable_hub_initiated_lpm = 1,
-};
-
-module_usb_driver(rtl8187_driver);
Code Review / kvmfornfv.git / blobdiff