diff options
Diffstat (limited to 'drivers/net/wireless/libertas/if_usb.c')
-rw-r--r-- | drivers/net/wireless/libertas/if_usb.c | 729 |
1 files changed, 326 insertions, 403 deletions
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c index cb59f46ed12..75aed9d0736 100644 --- a/drivers/net/wireless/libertas/if_usb.c +++ b/drivers/net/wireless/libertas/if_usb.c @@ -5,7 +5,6 @@ #include <linux/moduleparam.h> #include <linux/firmware.h> #include <linux/netdevice.h> -#include <linux/list.h> #include <linux/usb.h> #define DRV_NAME "usb8xxx" @@ -14,24 +13,16 @@ #include "decl.h" #include "defs.h" #include "dev.h" +#include "cmd.h" #include "if_usb.h" -#define MESSAGE_HEADER_LEN 4 - -static const char usbdriver_name[] = "usb8xxx"; -static u8 *default_fw_name = "usb8388.bin"; +#define INSANEDEBUG 0 +#define lbs_deb_usb2(...) do { if (INSANEDEBUG) lbs_deb_usbd(__VA_ARGS__); } while (0) -static char *libertas_fw_name = NULL; -module_param_named(fw_name, libertas_fw_name, charp, 0644); +#define MESSAGE_HEADER_LEN 4 -/* - * We need to send a RESET command to all USB devices before - * we tear down the USB connection. Otherwise we would not - * be able to re-init device the device if the module gets - * loaded again. This is a list of all initialized USB devices, - * for the reset code see if_usb_reset_device() -*/ -static LIST_HEAD(usb_devices); +static char *lbs_fw_name = "usb8388.bin"; +module_param_named(fw_name, lbs_fw_name, charp, 0644); static struct usb_device_id if_usb_table[] = { /* Enter the device signature inside */ @@ -44,14 +35,16 @@ MODULE_DEVICE_TABLE(usb, if_usb_table); static void if_usb_receive(struct urb *urb); static void if_usb_receive_fwload(struct urb *urb); -static int if_usb_prog_firmware(struct usb_card_rec *cardp); -static int if_usb_host_to_card(wlan_private * priv, u8 type, u8 * payload, u16 nb); -static int if_usb_get_int_status(wlan_private * priv, u8 *); -static int if_usb_read_event_cause(wlan_private *); -static int usb_tx_block(struct usb_card_rec *cardp, u8 *payload, u16 nb); -static void if_usb_free(struct usb_card_rec *cardp); -static int if_usb_submit_rx_urb(struct usb_card_rec *cardp); -static int if_usb_reset_device(struct usb_card_rec *cardp); +static int if_usb_prog_firmware(struct if_usb_card *cardp); +static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, + uint8_t *payload, uint16_t nb); +static int if_usb_get_int_status(struct lbs_private *priv, uint8_t *); +static int if_usb_read_event_cause(struct lbs_private *); +static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, + uint16_t nb); +static void if_usb_free(struct if_usb_card *cardp); +static int if_usb_submit_rx_urb(struct if_usb_card *cardp); +static int if_usb_reset_device(struct if_usb_card *cardp); /** * @brief call back function to handle the status of the URB @@ -60,37 +53,22 @@ static int if_usb_reset_device(struct usb_card_rec *cardp); */ static void if_usb_write_bulk_callback(struct urb *urb) { - struct usb_card_rec *cardp = (struct usb_card_rec *) urb->context; + struct if_usb_card *cardp = (struct if_usb_card *) urb->context; /* handle the transmission complete validations */ if (urb->status == 0) { - wlan_private *priv = cardp->priv; + struct lbs_private *priv = cardp->priv; - /* - lbs_deb_usbd(&urb->dev->dev, "URB status is successfull\n"); - lbs_deb_usbd(&urb->dev->dev, "Actual length transmitted %d\n", - urb->actual_length); - */ + lbs_deb_usb2(&urb->dev->dev, "URB status is successful\n"); + lbs_deb_usb2(&urb->dev->dev, "Actual length transmitted %d\n", + urb->actual_length); /* Used for both firmware TX and regular TX. priv isn't * valid at firmware load time. */ - if (priv) { - wlan_adapter *adapter = priv->adapter; - struct net_device *dev = priv->dev; - - priv->dnld_sent = DNLD_RES_RECEIVED; - - /* Wake main thread if commands are pending */ - if (!adapter->cur_cmd) - wake_up_interruptible(&priv->waitq); - - if ((adapter->connect_status == LIBERTAS_CONNECTED)) { - netif_wake_queue(dev); - netif_wake_queue(priv->mesh_dev); - } - } + if (priv) + lbs_host_to_card_done(priv); } else { /* print the failure status number for debug */ lbs_pr_info("URB in failure status: %d\n", urb->status); @@ -101,10 +79,10 @@ static void if_usb_write_bulk_callback(struct urb *urb) /** * @brief free tx/rx urb, skb and rx buffer - * @param cardp pointer usb_card_rec + * @param cardp pointer if_usb_card * @return N/A */ -static void if_usb_free(struct usb_card_rec *cardp) +static void if_usb_free(struct if_usb_card *cardp) { lbs_deb_enter(LBS_DEB_USB); @@ -118,12 +96,58 @@ static void if_usb_free(struct usb_card_rec *cardp) usb_free_urb(cardp->rx_urb); cardp->rx_urb = NULL; - kfree(cardp->bulk_out_buffer); - cardp->bulk_out_buffer = NULL; + kfree(cardp->ep_out_buf); + cardp->ep_out_buf = NULL; lbs_deb_leave(LBS_DEB_USB); } +static void if_usb_setup_firmware(struct lbs_private *priv) +{ + struct if_usb_card *cardp = priv->card; + struct cmd_ds_set_boot2_ver b2_cmd; + struct cmd_ds_802_11_fw_wake_method wake_method; + + b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd)); + b2_cmd.action = 0; + b2_cmd.version = cardp->boot2_version; + + if (lbs_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd)) + lbs_deb_usb("Setting boot2 version failed\n"); + + priv->wol_gpio = 2; /* Wake via GPIO2... */ + priv->wol_gap = 20; /* ... after 20ms */ + lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA); + + wake_method.hdr.size = cpu_to_le16(sizeof(wake_method)); + wake_method.action = cpu_to_le16(CMD_ACT_GET); + if (lbs_cmd_with_response(priv, CMD_802_11_FW_WAKE_METHOD, &wake_method)) { + lbs_pr_info("Firmware does not seem to support PS mode\n"); + } else { + if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) { + lbs_deb_usb("Firmware seems to support PS with wake-via-command\n"); + priv->ps_supported = 1; + } else { + /* The versions which boot up this way don't seem to + work even if we set it to the command interrupt */ + lbs_pr_info("Firmware doesn't wake via command interrupt; disabling PS mode\n"); + } + } +} + +static void if_usb_fw_timeo(unsigned long priv) +{ + struct if_usb_card *cardp = (void *)priv; + + if (cardp->fwdnldover) { + lbs_deb_usb("Download complete, no event. Assuming success\n"); + } else { + lbs_pr_err("Download timed out\n"); + cardp->surprise_removed = 1; + } + wake_up(&cardp->fw_wq); +} + /** * @brief sets the configuration values * @param ifnum interface number @@ -136,23 +160,26 @@ static int if_usb_probe(struct usb_interface *intf, struct usb_device *udev; struct usb_host_interface *iface_desc; struct usb_endpoint_descriptor *endpoint; - wlan_private *priv; - struct usb_card_rec *cardp; + struct lbs_private *priv; + struct if_usb_card *cardp; int i; udev = interface_to_usbdev(intf); - cardp = kzalloc(sizeof(struct usb_card_rec), GFP_KERNEL); + cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL); if (!cardp) { lbs_pr_err("Out of memory allocating private data.\n"); goto error; } + setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp); + init_waitqueue_head(&cardp->fw_wq); + cardp->udev = udev; iface_desc = intf->cur_altsetting; lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X" - " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", + " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n", le16_to_cpu(udev->descriptor.bcdUSB), udev->descriptor.bDeviceClass, udev->descriptor.bDeviceSubClass, @@ -160,92 +187,62 @@ static int if_usb_probe(struct usb_interface *intf, for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { endpoint = &iface_desc->endpoint[i].desc; - if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) - && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_BULK)) { - /* we found a bulk in endpoint */ - lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", - le16_to_cpu(endpoint->wMaxPacketSize)); - if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { - lbs_deb_usbd(&udev->dev, - "Rx URB allocation failed\n"); - goto dealloc; - } - cardp->rx_urb_recall = 0; - - cardp->bulk_in_size = - le16_to_cpu(endpoint->wMaxPacketSize); - cardp->bulk_in_endpointAddr = - (endpoint-> - bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); - lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", - endpoint->bEndpointAddress); - } + if (usb_endpoint_is_bulk_in(endpoint)) { + cardp->ep_in_size = le16_to_cpu(endpoint->wMaxPacketSize); + cardp->ep_in = usb_endpoint_num(endpoint); - if (((endpoint-> - bEndpointAddress & USB_ENDPOINT_DIR_MASK) == - USB_DIR_OUT) - && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_BULK)) { - /* We found bulk out endpoint */ - if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { - lbs_deb_usbd(&udev->dev, - "Tx URB allocation failed\n"); - goto dealloc; - } + lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", cardp->ep_in); + lbs_deb_usbd(&udev->dev, "Bulk in size is %d\n", cardp->ep_in_size); - cardp->bulk_out_size = - le16_to_cpu(endpoint->wMaxPacketSize); - lbs_deb_usbd(&udev->dev, - "Bulk out size is %d\n", - le16_to_cpu(endpoint->wMaxPacketSize)); - cardp->bulk_out_endpointAddr = - endpoint->bEndpointAddress; - lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", - endpoint->bEndpointAddress); - cardp->bulk_out_buffer = - kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, - GFP_KERNEL); - - if (!cardp->bulk_out_buffer) { - lbs_deb_usbd(&udev->dev, - "Could not allocate buffer\n"); - goto dealloc; - } + } else if (usb_endpoint_is_bulk_out(endpoint)) { + cardp->ep_out_size = le16_to_cpu(endpoint->wMaxPacketSize); + cardp->ep_out = usb_endpoint_num(endpoint); + + lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", cardp->ep_out); + lbs_deb_usbd(&udev->dev, "Bulk out size is %d\n", cardp->ep_out_size); } } + if (!cardp->ep_out_size || !cardp->ep_in_size) { + lbs_deb_usbd(&udev->dev, "Endpoints not found\n"); + goto dealloc; + } + if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) { + lbs_deb_usbd(&udev->dev, "Rx URB allocation failed\n"); + goto dealloc; + } + if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) { + lbs_deb_usbd(&udev->dev, "Tx URB allocation failed\n"); + goto dealloc; + } + cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, GFP_KERNEL); + if (!cardp->ep_out_buf) { + lbs_deb_usbd(&udev->dev, "Could not allocate buffer\n"); + goto dealloc; + } /* Upload firmware */ - cardp->rinfo.cardp = cardp; if (if_usb_prog_firmware(cardp)) { - lbs_deb_usbd(&udev->dev, "FW upload failed"); + lbs_deb_usbd(&udev->dev, "FW upload failed\n"); goto err_prog_firmware; } - if (!(priv = libertas_add_card(cardp, &udev->dev))) + if (!(priv = lbs_add_card(cardp, &udev->dev))) goto err_prog_firmware; cardp->priv = priv; - - if (libertas_add_mesh(priv, &udev->dev)) - goto err_add_mesh; - - cardp->eth_dev = priv->dev; + cardp->priv->fw_ready = 1; priv->hw_host_to_card = if_usb_host_to_card; priv->hw_get_int_status = if_usb_get_int_status; priv->hw_read_event_cause = if_usb_read_event_cause; - priv->boot2_version = udev->descriptor.bcdDevice; + cardp->boot2_version = udev->descriptor.bcdDevice; - /* Delay 200 ms to waiting for the FW ready */ if_usb_submit_rx_urb(cardp); - msleep_interruptible(200); - priv->adapter->fw_ready = 1; - if (libertas_start_card(priv)) + if (lbs_start_card(priv)) goto err_start_card; - list_add_tail(&cardp->list, &usb_devices); + if_usb_setup_firmware(priv); usb_get_dev(udev); usb_set_intfdata(intf, cardp); @@ -253,9 +250,7 @@ static int if_usb_probe(struct usb_interface *intf, return 0; err_start_card: - libertas_remove_mesh(priv); -err_add_mesh: - libertas_remove_card(priv); + lbs_remove_card(priv); err_prog_firmware: if_usb_reset_device(cardp); dealloc: @@ -272,23 +267,17 @@ error: */ static void if_usb_disconnect(struct usb_interface *intf) { - struct usb_card_rec *cardp = usb_get_intfdata(intf); - wlan_private *priv = (wlan_private *) cardp->priv; + struct if_usb_card *cardp = usb_get_intfdata(intf); + struct lbs_private *priv = (struct lbs_private *) cardp->priv; lbs_deb_enter(LBS_DEB_MAIN); - /* Update Surprise removed to TRUE */ cardp->surprise_removed = 1; - list_del(&cardp->list); - if (priv) { - wlan_adapter *adapter = priv->adapter; - - adapter->surpriseremoved = 1; - libertas_stop_card(priv); - libertas_remove_mesh(priv); - libertas_remove_card(priv); + priv->surpriseremoved = 1; + lbs_stop_card(priv); + lbs_remove_card(priv); } /* Unlink and free urb */ @@ -302,102 +291,82 @@ static void if_usb_disconnect(struct usb_interface *intf) /** * @brief This function download FW - * @param priv pointer to wlan_private + * @param priv pointer to struct lbs_private * @return 0 */ -static int if_prog_firmware(struct usb_card_rec *cardp) +static int if_usb_send_fw_pkt(struct if_usb_card *cardp) { - struct FWData *fwdata; - struct fwheader *fwheader; - u8 *firmware = cardp->fw->data; - - fwdata = kmalloc(sizeof(struct FWData), GFP_ATOMIC); - - if (!fwdata) - return -1; - - fwheader = &fwdata->fwheader; + struct fwdata *fwdata = cardp->ep_out_buf; + uint8_t *firmware = cardp->fw->data; + /* If we got a CRC failure on the last block, back + up and retry it */ if (!cardp->CRC_OK) { cardp->totalbytes = cardp->fwlastblksent; - cardp->fwseqnum = cardp->lastseqnum - 1; + cardp->fwseqnum--; } - /* - lbs_deb_usbd(&cardp->udev->dev, "totalbytes = %d\n", - cardp->totalbytes); - */ + lbs_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n", + cardp->totalbytes); - memcpy(fwheader, &firmware[cardp->totalbytes], + /* struct fwdata (which we sent to the card) has an + extra __le32 field in between the header and the data, + which is not in the struct fwheader in the actual + firmware binary. Insert the seqnum in the middle... */ + memcpy(&fwdata->hdr, &firmware[cardp->totalbytes], sizeof(struct fwheader)); cardp->fwlastblksent = cardp->totalbytes; cardp->totalbytes += sizeof(struct fwheader); - /* lbs_deb_usbd(&cardp->udev->dev,"Copy Data\n"); */ memcpy(fwdata->data, &firmware[cardp->totalbytes], - le32_to_cpu(fwdata->fwheader.datalength)); + le32_to_cpu(fwdata->hdr.datalength)); - /* - lbs_deb_usbd(&cardp->udev->dev, - "Data length = %d\n", le32_to_cpu(fwdata->fwheader.datalength)); - */ + lbs_deb_usb2(&cardp->udev->dev, "Data length = %d\n", + le32_to_cpu(fwdata->hdr.datalength)); - cardp->fwseqnum = cardp->fwseqnum + 1; + fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum); + cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength); - fwdata->seqnum = cpu_to_le32(cardp->fwseqnum); - cardp->lastseqnum = cardp->fwseqnum; - cardp->totalbytes += le32_to_cpu(fwdata->fwheader.datalength); + usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) + + le32_to_cpu(fwdata->hdr.datalength)); + + if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { + lbs_deb_usb2(&cardp->udev->dev, "There are data to follow\n"); + lbs_deb_usb2(&cardp->udev->dev, "seqnum = %d totalbytes = %d\n", + cardp->fwseqnum, cardp->totalbytes); + } else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { + lbs_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n"); + lbs_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n"); - if (fwheader->dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) { - /* - lbs_deb_usbd(&cardp->udev->dev, "There are data to follow\n"); - lbs_deb_usbd(&cardp->udev->dev, - "seqnum = %d totalbytes = %d\n", cardp->fwseqnum, - cardp->totalbytes); - */ - memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); - usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); - - } else if (fwdata->fwheader.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) { - /* - lbs_deb_usbd(&cardp->udev->dev, - "Host has finished FW downloading\n"); - lbs_deb_usbd(&cardp->udev->dev, - "Donwloading FW JUMP BLOCK\n"); - */ - memcpy(cardp->bulk_out_buffer, fwheader, FW_DATA_XMIT_SIZE); - usb_tx_block(cardp, cardp->bulk_out_buffer, FW_DATA_XMIT_SIZE); cardp->fwfinalblk = 1; } - /* - lbs_deb_usbd(&cardp->udev->dev, - "The firmware download is done size is %d\n", - cardp->totalbytes); - */ - - kfree(fwdata); + lbs_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n", + cardp->totalbytes); return 0; } -static int if_usb_reset_device(struct usb_card_rec *cardp) +static int if_usb_reset_device(struct if_usb_card *cardp) { + struct cmd_ds_command *cmd = cardp->ep_out_buf + 4; int ret; - wlan_private * priv = cardp->priv; lbs_deb_enter(LBS_DEB_USB); - /* Try a USB port reset first, if that fails send the reset - * command to the firmware. - */ + *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); + + cmd->command = cpu_to_le16(CMD_802_11_RESET); + cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN); + cmd->result = cpu_to_le16(0); + cmd->seqnum = cpu_to_le16(0x5a5a); + cmd->params.reset.action = cpu_to_le16(CMD_ACT_HALT); + usb_tx_block(cardp, cardp->ep_out_buf, 4 + S_DS_GEN + sizeof(struct cmd_ds_802_11_reset)); + + msleep(100); ret = usb_reset_device(cardp->udev); - if (!ret && priv) { - msleep(10); - ret = libertas_reset_device(priv); - msleep(10); - } + msleep(100); lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); @@ -406,12 +375,12 @@ static int if_usb_reset_device(struct usb_card_rec *cardp) /** * @brief This function transfer the data to the device. - * @param priv pointer to wlan_private + * @param priv pointer to struct lbs_private * @param payload pointer to payload data * @param nb data length * @return 0 or -1 */ -static int usb_tx_block(struct usb_card_rec *cardp, u8 * payload, u16 nb) +static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb) { int ret = -1; @@ -423,17 +392,16 @@ static int usb_tx_block(struct usb_card_rec *cardp, u8 * payload, u16 nb) usb_fill_bulk_urb(cardp->tx_urb, cardp->udev, usb_sndbulkpipe(cardp->udev, - cardp->bulk_out_endpointAddr), + cardp->ep_out), payload, nb, if_usb_write_bulk_callback, cardp); cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET; if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) { - /* transfer failed */ - lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed\n"); + lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret); ret = -1; } else { - /* lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb success\n"); */ + lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n"); ret = 0; } @@ -441,11 +409,10 @@ tx_ret: return ret; } -static int __if_usb_submit_rx_urb(struct usb_card_rec *cardp, +static int __if_usb_submit_rx_urb(struct if_usb_card *cardp, void (*callbackfn)(struct urb *urb)) { struct sk_buff *skb; - struct read_cb_info *rinfo = &cardp->rinfo; int ret = -1; if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) { @@ -453,25 +420,25 @@ static int __if_usb_submit_rx_urb(struct usb_card_rec *cardp, goto rx_ret; } - rinfo->skb = skb; + cardp->rx_skb = skb; /* Fill the receive configuration URB and initialise the Rx call back */ usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, - usb_rcvbulkpipe(cardp->udev, - cardp->bulk_in_endpointAddr), + usb_rcvbulkpipe(cardp->udev, cardp->ep_in), (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET), MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, - rinfo); + cardp); cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET; - /* lbs_deb_usbd(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); */ + lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) { - /* handle failure conditions */ - lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed\n"); + lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret); + kfree_skb(skb); + cardp->rx_skb = NULL; ret = -1; } else { - /* lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB success\n"); */ + lbs_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n"); ret = 0; } @@ -479,58 +446,78 @@ rx_ret: return ret; } -static int if_usb_submit_rx_urb_fwload(struct usb_card_rec *cardp) +static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp) { return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload); } -static int if_usb_submit_rx_urb(struct usb_card_rec *cardp) +static int if_usb_submit_rx_urb(struct if_usb_card *cardp) { return __if_usb_submit_rx_urb(cardp, &if_usb_receive); } static void if_usb_receive_fwload(struct urb *urb) { - struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; - struct sk_buff *skb = rinfo->skb; - struct usb_card_rec *cardp = (struct usb_card_rec *)rinfo->cardp; + struct if_usb_card *cardp = urb->context; + struct sk_buff *skb = cardp->rx_skb; struct fwsyncheader *syncfwheader; - struct bootcmdrespStr bootcmdresp; + struct bootcmdresp bootcmdresp; if (urb->status) { lbs_deb_usbd(&cardp->udev->dev, - "URB status is failed during fw load\n"); + "URB status is failed during fw load\n"); kfree_skb(skb); return; } - if (cardp->bootcmdresp == 0) { + if (cardp->fwdnldover) { + __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); + + if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) && + tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) { + lbs_pr_info("Firmware ready event received\n"); + wake_up(&cardp->fw_wq); + } else { + lbs_deb_usb("Waiting for confirmation; got %x %x\n", + le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1])); + if_usb_submit_rx_urb_fwload(cardp); + } + kfree_skb(skb); + return; + } + if (cardp->bootcmdresp <= 0) { memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET, sizeof(bootcmdresp)); + if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) { kfree_skb(skb); if_usb_submit_rx_urb_fwload(cardp); cardp->bootcmdresp = 1; lbs_deb_usbd(&cardp->udev->dev, - "Received valid boot command response\n"); + "Received valid boot command response\n"); return; } - if (bootcmdresp.u32magicnumber != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { - lbs_pr_info( - "boot cmd response wrong magic number (0x%x)\n", - le32_to_cpu(bootcmdresp.u32magicnumber)); - } else if (bootcmdresp.u8cmd_tag != BOOT_CMD_FW_BY_USB) { - lbs_pr_info( - "boot cmd response cmd_tag error (%d)\n", - bootcmdresp.u8cmd_tag); - } else if (bootcmdresp.u8result != BOOT_CMD_RESP_OK) { - lbs_pr_info( - "boot cmd response result error (%d)\n", - bootcmdresp.u8result); + if (bootcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) { + if (bootcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) || + bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) || + bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) { + if (!cardp->bootcmdresp) + lbs_pr_info("Firmware already seems alive; resetting\n"); + cardp->bootcmdresp = -1; + } else { + lbs_pr_info("boot cmd response wrong magic number (0x%x)\n", + le32_to_cpu(bootcmdresp.magic)); + } + } else if (bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) { + lbs_pr_info("boot cmd response cmd_tag error (%d)\n", + bootcmdresp.cmd); + } else if (bootcmdresp.result != BOOT_CMD_RESP_OK) { + lbs_pr_info("boot cmd response result error (%d)\n", + bootcmdresp.result); } else { cardp->bootcmdresp = 1; lbs_deb_usbd(&cardp->udev->dev, - "Received valid boot command response\n"); + "Received valid boot command response\n"); } kfree_skb(skb); if_usb_submit_rx_urb_fwload(cardp); @@ -545,50 +532,47 @@ static void if_usb_receive_fwload(struct urb *urb) } memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET, - sizeof(struct fwsyncheader)); + sizeof(struct fwsyncheader)); if (!syncfwheader->cmd) { - /* - lbs_deb_usbd(&cardp->udev->dev, - "FW received Blk with correct CRC\n"); - lbs_deb_usbd(&cardp->udev->dev, - "FW received Blk seqnum = %d\n", - syncfwheader->seqnum); - */ + lbs_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n"); + lbs_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n", + le32_to_cpu(syncfwheader->seqnum)); cardp->CRC_OK = 1; } else { - lbs_deb_usbd(&cardp->udev->dev, - "FW received Blk with CRC error\n"); + lbs_deb_usbd(&cardp->udev->dev, "FW received Blk with CRC error\n"); cardp->CRC_OK = 0; } kfree_skb(skb); + /* reschedule timer for 200ms hence */ + mod_timer(&cardp->fw_timeout, jiffies + (HZ/5)); + if (cardp->fwfinalblk) { cardp->fwdnldover = 1; goto exit; } - if_prog_firmware(cardp); + if_usb_send_fw_pkt(cardp); + exit: if_usb_submit_rx_urb_fwload(cardp); -exit: + kfree(syncfwheader); return; - } #define MRVDRV_MIN_PKT_LEN 30 static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, - struct usb_card_rec *cardp, - wlan_private *priv) + struct if_usb_card *cardp, + struct lbs_private *priv) { - if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + - MESSAGE_HEADER_LEN || recvlength < MRVDRV_MIN_PKT_LEN) { - lbs_deb_usbd(&cardp->udev->dev, - "Packet length is Invalid\n"); + if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN + || recvlength < MRVDRV_MIN_PKT_LEN) { + lbs_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n"); kfree_skb(skb); return; } @@ -596,19 +580,19 @@ static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, skb_reserve(skb, IPFIELD_ALIGN_OFFSET); skb_put(skb, recvlength); skb_pull(skb, MESSAGE_HEADER_LEN); - libertas_process_rxed_packet(priv, skb); + + lbs_process_rxed_packet(priv, skb); priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); } -static inline void process_cmdrequest(int recvlength, u8 *recvbuff, +static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff, struct sk_buff *skb, - struct usb_card_rec *cardp, - wlan_private *priv) + struct if_usb_card *cardp, + struct lbs_private *priv) { - u8 *cmdbuf; - if (recvlength > MRVDRV_SIZE_OF_CMD_BUFFER) { + if (recvlength > LBS_CMD_BUFFER_SIZE) { lbs_deb_usbd(&cardp->udev->dev, - "The receive buffer is too large\n"); + "The receive buffer is too large\n"); kfree_skb(skb); return; } @@ -616,28 +600,17 @@ static inline void process_cmdrequest(int recvlength, u8 *recvbuff, if (!in_interrupt()) BUG(); - spin_lock(&priv->adapter->driver_lock); - /* take care of cur_cmd = NULL case by reading the - * data to clear the interrupt */ - if (!priv->adapter->cur_cmd) { - cmdbuf = priv->upld_buf; - priv->adapter->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; - } else - cmdbuf = priv->adapter->cur_cmd->bufvirtualaddr; - + spin_lock(&priv->driver_lock); cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY; priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); - memcpy(cmdbuf, recvbuff + MESSAGE_HEADER_LEN, - priv->upld_len); + memcpy(priv->upld_buf, recvbuff + MESSAGE_HEADER_LEN, priv->upld_len); kfree_skb(skb); - libertas_interrupt(priv->dev); - spin_unlock(&priv->adapter->driver_lock); + lbs_interrupt(priv); + spin_unlock(&priv->driver_lock); lbs_deb_usbd(&cardp->udev->dev, "Wake up main thread to handle cmd response\n"); - - return; } /** @@ -649,35 +622,33 @@ static inline void process_cmdrequest(int recvlength, u8 *recvbuff, */ static void if_usb_receive(struct urb *urb) { - struct read_cb_info *rinfo = (struct read_cb_info *)urb->context; - struct sk_buff *skb = rinfo->skb; - struct usb_card_rec *cardp = (struct usb_card_rec *) rinfo->cardp; - wlan_private * priv = cardp->priv; - + struct if_usb_card *cardp = urb->context; + struct sk_buff *skb = cardp->rx_skb; + struct lbs_private *priv = cardp->priv; int recvlength = urb->actual_length; - u8 *recvbuff = NULL; - u32 recvtype = 0; + uint8_t *recvbuff = NULL; + uint32_t recvtype = 0; + __le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET); lbs_deb_enter(LBS_DEB_USB); if (recvlength) { - __le32 tmp; - if (urb->status) { - lbs_deb_usbd(&cardp->udev->dev, - "URB status is failed\n"); + lbs_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n", + urb->status); kfree_skb(skb); goto setup_for_next; } recvbuff = skb->data + IPFIELD_ALIGN_OFFSET; - memcpy(&tmp, recvbuff, sizeof(u32)); - recvtype = le32_to_cpu(tmp); + recvtype = le32_to_cpu(pkt[0]); lbs_deb_usbd(&cardp->udev->dev, "Recv length = 0x%x, Recv type = 0x%X\n", recvlength, recvtype); - } else if (urb->status) + } else if (urb->status) { + kfree_skb(skb); goto rx_exit; + } switch (recvtype) { case CMD_TYPE_DATA: @@ -690,24 +661,28 @@ static void if_usb_receive(struct urb *urb) case CMD_TYPE_INDICATION: /* Event cause handling */ - spin_lock(&priv->adapter->driver_lock); - cardp->usb_event_cause = le32_to_cpu(*(__le32 *) (recvbuff + MESSAGE_HEADER_LEN)); + spin_lock(&priv->driver_lock); + + cardp->usb_event_cause = le32_to_cpu(pkt[1]); + lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n", - cardp->usb_event_cause); + cardp->usb_event_cause); + + /* Icky undocumented magic special case */ if (cardp->usb_event_cause & 0xffff0000) { - libertas_send_tx_feedback(priv); - spin_unlock(&priv->adapter->driver_lock); + lbs_send_tx_feedback(priv); + spin_unlock(&priv->driver_lock); break; } cardp->usb_event_cause <<= 3; cardp->usb_int_cause |= MRVDRV_CARDEVENT; kfree_skb(skb); - libertas_interrupt(priv->dev); - spin_unlock(&priv->adapter->driver_lock); + lbs_interrupt(priv); + spin_unlock(&priv->driver_lock); goto rx_exit; default: lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", - recvtype); + recvtype); kfree_skb(skb); break; } @@ -720,58 +695,54 @@ rx_exit: /** * @brief This function downloads data to FW - * @param priv pointer to wlan_private structure + * @param priv pointer to struct lbs_private structure * @param type type of data * @param buf pointer to data buffer * @param len number of bytes * @return 0 or -1 */ -static int if_usb_host_to_card(wlan_private * priv, u8 type, u8 * payload, u16 nb) +static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type, + uint8_t *payload, uint16_t nb) { - struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card; + struct if_usb_card *cardp = priv->card; lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type); lbs_deb_usbd(&cardp->udev->dev,"size after = %d\n", nb); if (type == MVMS_CMD) { - __le32 tmp = cpu_to_le32(CMD_TYPE_REQUEST); + *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST); priv->dnld_sent = DNLD_CMD_SENT; - memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, - MESSAGE_HEADER_LEN); - } else { - __le32 tmp = cpu_to_le32(CMD_TYPE_DATA); + *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA); priv->dnld_sent = DNLD_DATA_SENT; - memcpy(cardp->bulk_out_buffer, (u8 *) & tmp, - MESSAGE_HEADER_LEN); } - memcpy((cardp->bulk_out_buffer + MESSAGE_HEADER_LEN), payload, nb); + memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb); - return usb_tx_block(cardp, cardp->bulk_out_buffer, - nb + MESSAGE_HEADER_LEN); + return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN); } -/* called with adapter->driver_lock held */ -static int if_usb_get_int_status(wlan_private * priv, u8 * ireg) +/* called with priv->driver_lock held */ +static int if_usb_get_int_status(struct lbs_private *priv, uint8_t *ireg) { - struct usb_card_rec *cardp = priv->card; + struct if_usb_card *cardp = priv->card; *ireg = cardp->usb_int_cause; cardp->usb_int_cause = 0; - lbs_deb_usbd(&cardp->udev->dev,"Int cause is 0x%X\n", *ireg); + lbs_deb_usbd(&cardp->udev->dev, "Int cause is 0x%X\n", *ireg); return 0; } -static int if_usb_read_event_cause(wlan_private * priv) +static int if_usb_read_event_cause(struct lbs_private *priv) { - struct usb_card_rec *cardp = priv->card; + struct if_usb_card *cardp = priv->card; - priv->adapter->eventcause = cardp->usb_event_cause; + priv->eventcause = cardp->usb_event_cause; /* Re-submit rx urb here to avoid event lost issue */ if_usb_submit_rx_urb(cardp); + return 0; } @@ -781,20 +752,17 @@ static int if_usb_read_event_cause(wlan_private * priv) * 2:Boot from FW in EEPROM * @return 0 */ -static int if_usb_issue_boot_command(struct usb_card_rec *cardp, int ivalue) +static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue) { - struct bootcmdstr sbootcmd; - int i; + struct bootcmd *bootcmd = cardp->ep_out_buf; /* Prepare command */ - sbootcmd.u32magicnumber = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); - sbootcmd.u8cmd_tag = ivalue; - for (i=0; i<11; i++) - sbootcmd.au8dumy[i]=0x00; - memcpy(cardp->bulk_out_buffer, &sbootcmd, sizeof(struct bootcmdstr)); + bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER); + bootcmd->cmd = ivalue; + memset(bootcmd->pad, 0, sizeof(bootcmd->pad)); /* Issue command */ - usb_tx_block(cardp, cardp->bulk_out_buffer, sizeof(struct bootcmdstr)); + usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd)); return 0; } @@ -807,10 +775,10 @@ static int if_usb_issue_boot_command(struct usb_card_rec *cardp, int ivalue) * len image length * @return 0 or -1 */ -static int check_fwfile_format(u8 *data, u32 totlen) +static int check_fwfile_format(uint8_t *data, uint32_t totlen) { - u32 bincmd, exit; - u32 blksize, offset, len; + uint32_t bincmd, exit; + uint32_t blksize, offset, len; int ret; ret = 1; @@ -848,7 +816,7 @@ static int check_fwfile_format(u8 *data, u32 totlen) } -static int if_usb_prog_firmware(struct usb_card_rec *cardp) +static int if_usb_prog_firmware(struct if_usb_card *cardp) { int i = 0; static int reset_count = 10; @@ -856,10 +824,10 @@ static int if_usb_prog_firmware(struct usb_card_rec *cardp) lbs_deb_enter(LBS_DEB_USB); - if ((ret = request_firmware(&cardp->fw, libertas_fw_name, + if ((ret = request_firmware(&cardp->fw, lbs_fw_name, &cardp->udev->dev)) < 0) { lbs_pr_err("request_firmware() failed with %#x\n", ret); - lbs_pr_err("firmware %s not found\n", libertas_fw_name); + lbs_pr_err("firmware %s not found\n", lbs_fw_name); goto done; } @@ -886,7 +854,7 @@ restart: } while (cardp->bootcmdresp == 0 && j < 10); } while (cardp->bootcmdresp == 0 && i < 5); - if (cardp->bootcmdresp == 0) { + if (cardp->bootcmdresp <= 0) { if (--reset_count >= 0) { if_usb_reset_device(cardp); goto restart; @@ -904,15 +872,14 @@ restart: cardp->totalbytes = 0; cardp->fwfinalblk = 0; - if_prog_firmware(cardp); + /* Send the first firmware packet... */ + if_usb_send_fw_pkt(cardp); - do { - lbs_deb_usbd(&cardp->udev->dev,"Wlan sched timeout\n"); - i++; - msleep_interruptible(100); - if (cardp->surprise_removed || i >= 20) - break; - } while (!cardp->fwdnldover); + /* ... and wait for the process to complete */ + wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover); + + del_timer_sync(&cardp->fw_timeout); + usb_kill_urb(cardp->rx_urb); if (!cardp->fwdnldover) { lbs_pr_info("failed to load fw, resetting device!\n"); @@ -926,11 +893,11 @@ restart: goto release_fw; } -release_fw: + release_fw: release_firmware(cardp->fw); cardp->fw = NULL; -done: + done: lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret); return ret; } @@ -939,66 +906,38 @@ done: #ifdef CONFIG_PM static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) { - struct usb_card_rec *cardp = usb_get_intfdata(intf); - wlan_private *priv = cardp->priv; + struct if_usb_card *cardp = usb_get_intfdata(intf); + struct lbs_private *priv = cardp->priv; + int ret; lbs_deb_enter(LBS_DEB_USB); - if (priv->adapter->psstate != PS_STATE_FULL_POWER) + if (priv->psstate != PS_STATE_FULL_POWER) return -1; - if (priv->mesh_dev && !priv->mesh_autostart_enabled) { - /* Mesh autostart must be activated while sleeping - * On resume it will go back to the current state - */ - struct cmd_ds_mesh_access mesh_access; - memset(&mesh_access, 0, sizeof(mesh_access)); - mesh_access.data[0] = cpu_to_le32(1); - libertas_prepare_and_send_command(priv, - CMD_MESH_ACCESS, - CMD_ACT_MESH_SET_AUTOSTART_ENABLED, - CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); - } - - netif_device_detach(cardp->eth_dev); - netif_device_detach(priv->mesh_dev); + ret = lbs_suspend(priv); + if (ret) + goto out; /* Unlink tx & rx urb */ usb_kill_urb(cardp->tx_urb); usb_kill_urb(cardp->rx_urb); - cardp->rx_urb_recall = 1; - + out: lbs_deb_leave(LBS_DEB_USB); - return 0; + return ret; } static int if_usb_resume(struct usb_interface *intf) { - struct usb_card_rec *cardp = usb_get_intfdata(intf); - wlan_private *priv = cardp->priv; + struct if_usb_card *cardp = usb_get_intfdata(intf); + struct lbs_private *priv = cardp->priv; lbs_deb_enter(LBS_DEB_USB); - cardp->rx_urb_recall = 0; - - if_usb_submit_rx_urb(cardp->priv); + if_usb_submit_rx_urb(cardp); - netif_device_attach(cardp->eth_dev); - netif_device_attach(priv->mesh_dev); - - if (priv->mesh_dev && !priv->mesh_autostart_enabled) { - /* Mesh autostart was activated while sleeping - * Disable it if appropriate - */ - struct cmd_ds_mesh_access mesh_access; - memset(&mesh_access, 0, sizeof(mesh_access)); - mesh_access.data[0] = cpu_to_le32(0); - libertas_prepare_and_send_command(priv, - CMD_MESH_ACCESS, - CMD_ACT_MESH_SET_AUTOSTART_ENABLED, - CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); - } + lbs_resume(priv); lbs_deb_leave(LBS_DEB_USB); return 0; @@ -1009,46 +948,30 @@ static int if_usb_resume(struct usb_interface *intf) #endif static struct usb_driver if_usb_driver = { - /* driver name */ - .name = usbdriver_name, - /* probe function name */ + .name = DRV_NAME, .probe = if_usb_probe, - /* disconnect function name */ .disconnect = if_usb_disconnect, - /* device signature table */ .id_table = if_usb_table, .suspend = if_usb_suspend, .resume = if_usb_resume, }; -static int if_usb_init_module(void) +static int __init if_usb_init_module(void) { int ret = 0; lbs_deb_enter(LBS_DEB_MAIN); - if (libertas_fw_name == NULL) { - libertas_fw_name = default_fw_name; - } - ret = usb_register(&if_usb_driver); lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); return ret; } -static void if_usb_exit_module(void) +static void __exit if_usb_exit_module(void) { - struct usb_card_rec *cardp, *cardp_temp; - lbs_deb_enter(LBS_DEB_MAIN); - list_for_each_entry_safe(cardp, cardp_temp, &usb_devices, list) { - libertas_prepare_and_send_command(cardp->priv, CMD_802_11_RESET, - CMD_ACT_HALT, 0, 0, NULL); - } - - /* API unregisters the driver from USB subsystem */ usb_deregister(&if_usb_driver); lbs_deb_leave(LBS_DEB_MAIN); @@ -1058,5 +981,5 @@ module_init(if_usb_init_module); module_exit(if_usb_exit_module); MODULE_DESCRIPTION("8388 USB WLAN Driver"); -MODULE_AUTHOR("Marvell International Ltd."); +MODULE_AUTHOR("Marvell International Ltd. and Red Hat, Inc."); MODULE_LICENSE("GPL"); |