From eae86bf378de981696697426831bd9db68930740 Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Fri, 14 Dec 2007 00:47:05 -0500 Subject: [PATCH] libertas: clean up if_usb driver It was just getting on my tits, really. Signed-off-by: David Woodhouse Signed-off-by: John W. Linville --- drivers/net/wireless/libertas/if_usb.c | 428 +++++++++++-------------- drivers/net/wireless/libertas/if_usb.h | 95 +++--- 2 files changed, 225 insertions(+), 298 deletions(-) diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c index 25925bd761d8..9cb9e031040d 100644 --- a/drivers/net/wireless/libertas/if_usb.c +++ b/drivers/net/wireless/libertas/if_usb.c @@ -16,6 +16,9 @@ #include "cmd.h" #include "if_usb.h" +#define INSANEDEBUG 0 +#define lbs_deb_usb2(...) do { if (INSANEDEBUG) lbs_deb_usbd(__VA_ARGS__); } while (0) + #define MESSAGE_HEADER_LEN 4 static char *lbs_fw_name = "usb8388.bin"; @@ -32,17 +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(struct lbs_private *priv, - u8 type, - u8 *payload, - u16 nb); -static int if_usb_get_int_status(struct lbs_private *priv, u8 *); +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 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 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 @@ -51,18 +53,16 @@ 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) { 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. @@ -79,10 +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); @@ -96,8 +96,8 @@ 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); } @@ -115,7 +115,7 @@ static void if_usb_set_boot2_ver(struct lbs_private *priv) static void if_usb_fw_timeo(unsigned long priv) { - struct usb_card_rec *cardp = (void *)priv; + struct if_usb_card *cardp = (void *)priv; if (cardp->fwdnldover) { lbs_deb_usb("Download complete, no event. Assuming success\n"); @@ -125,6 +125,7 @@ static void if_usb_fw_timeo(unsigned long priv) } wake_up(&cardp->fw_wq); } + /** * @brief sets the configuration values * @param ifnum interface number @@ -138,12 +139,12 @@ static int if_usb_probe(struct usb_interface *intf, struct usb_host_interface *iface_desc; struct usb_endpoint_descriptor *endpoint; struct lbs_private *priv; - struct usb_card_rec *cardp; + 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; @@ -156,7 +157,7 @@ static int if_usb_probe(struct usb_interface *intf, 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, @@ -164,61 +165,40 @@ 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->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\n"); goto err_prog_firmware; @@ -269,12 +249,11 @@ error: */ static void if_usb_disconnect(struct usb_interface *intf) { - struct usb_card_rec *cardp = usb_get_intfdata(intf); + 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; if (priv) { @@ -297,98 +276,75 @@ static void if_usb_disconnect(struct usb_interface *intf) * @param priv pointer to struct lbs_private * @return 0 */ -static int if_usb_send_fw_pkt(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 = (void *)&cardp->bulk_out_buffer[4]; + struct cmd_ds_command *cmd = cardp->ep_out_buf + 4; int ret; lbs_deb_enter(LBS_DEB_USB); - *(__le32 *)cardp->bulk_out_buffer = cpu_to_le32(CMD_TYPE_REQUEST); + *(__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->bulk_out_buffer, 4 + S_DS_GEN + sizeof(struct cmd_ds_802_11_reset)); + 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); @@ -406,7 +362,7 @@ static int if_usb_reset_device(struct usb_card_rec *cardp) * @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; @@ -418,17 +374,16 @@ 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: %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; } @@ -436,11 +391,10 @@ 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))) { @@ -448,27 +402,25 @@ 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: %d\n", ret); kfree_skb(skb); - rinfo->skb = NULL; + 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; } @@ -476,27 +428,26 @@ 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; } @@ -509,8 +460,8 @@ static void if_usb_receive_fwload(struct urb *urb) 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])); + 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); @@ -519,37 +470,36 @@ static void if_usb_receive_fwload(struct urb *urb) 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)) { - if (bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_REQUEST) || - bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_DATA) || - bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_INDICATION)) { + 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.u32magicnumber)); + le32_to_cpu(bootcmdresp.magic)); } - } 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); + } 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); @@ -564,20 +514,15 @@ 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; } @@ -604,13 +549,12 @@ static void if_usb_receive_fwload(struct urb *urb) #define MRVDRV_MIN_PKT_LEN 30 static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb, - struct usb_card_rec *cardp, + 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; } @@ -618,19 +562,21 @@ 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); + 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, + struct if_usb_card *cardp, struct lbs_private *priv) { - u8 *cmdbuf; + uint8_t *cmdbuf; + 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; } @@ -642,16 +588,16 @@ static inline void process_cmdrequest(int recvlength, u8 *recvbuff, /* take care of cur_cmd = NULL case by reading the * data to clear the interrupt */ if (!priv->cur_cmd) { - lbs_deb_hex(LBS_DEB_HOST, "Unsolicited CMD_RESP", (void *) recvbuff + MESSAGE_HEADER_LEN, priv->upld_len); + lbs_deb_hex(LBS_DEB_HOST, "Unsolicited CMD_RESP", + (void *) recvbuff + MESSAGE_HEADER_LEN, priv->upld_len); cmdbuf = priv->upld_buf; priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; } else - cmdbuf = (u8 *) priv->cur_cmd->cmdbuf; + cmdbuf = (uint8_t *) priv->cur_cmd->cmdbuf; 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(cmdbuf, recvbuff + MESSAGE_HEADER_LEN, priv->upld_len); kfree_skb(skb); lbs_interrupt(priv); @@ -659,8 +605,6 @@ static inline void process_cmdrequest(int recvlength, u8 *recvbuff, lbs_deb_usbd(&cardp->udev->dev, "Wake up main thread to handle cmd response\n"); - - return; } /** @@ -672,30 +616,26 @@ 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; + 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); @@ -716,9 +656,13 @@ static void if_usb_receive(struct urb *urb) case CMD_TYPE_INDICATION: /* Event cause handling */ spin_lock(&priv->driver_lock); - cardp->usb_event_cause = le32_to_cpu(*(__le32 *) (recvbuff + MESSAGE_HEADER_LEN)); + + 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) { lbs_send_tx_feedback(priv); spin_unlock(&priv->driver_lock); @@ -732,7 +676,7 @@ static void if_usb_receive(struct urb *urb) goto rx_exit; default: lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n", - recvtype); + recvtype); kfree_skb(skb); break; } @@ -751,55 +695,48 @@ rx_exit: * @param len number of bytes * @return 0 or -1 */ -static int if_usb_host_to_card(struct lbs_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 priv->driver_lock held */ -static int if_usb_get_int_status(struct lbs_private *priv, u8 *ireg) +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(struct lbs_private *priv) { - struct usb_card_rec *cardp = priv->card; + struct if_usb_card *cardp = priv->card; priv->eventcause = cardp->usb_event_cause; /* Re-submit rx urb here to avoid event lost issue */ if_usb_submit_rx_urb(cardp); + return 0; } @@ -809,20 +746,17 @@ static int if_usb_read_event_cause(struct lbs_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; } @@ -835,10 +769,10 @@ 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; @@ -876,7 +810,7 @@ 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; @@ -953,11 +887,11 @@ 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; } @@ -966,7 +900,7 @@ 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); + struct if_usb_card *cardp = usb_get_intfdata(intf); struct lbs_private *priv = cardp->priv; int ret; @@ -990,7 +924,7 @@ static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) static int if_usb_resume(struct usb_interface *intf) { - struct usb_card_rec *cardp = usb_get_intfdata(intf); + struct if_usb_card *cardp = usb_get_intfdata(intf); struct lbs_private *priv = cardp->priv; lbs_deb_enter(LBS_DEB_USB); @@ -1041,5 +975,5 @@ 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"); diff --git a/drivers/net/wireless/libertas/if_usb.h b/drivers/net/wireless/libertas/if_usb.h index 668410f82057..77066911230b 100644 --- a/drivers/net/wireless/libertas/if_usb.h +++ b/drivers/net/wireless/libertas/if_usb.h @@ -9,72 +9,67 @@ struct lbs_private; /** * This file contains definition for USB interface. */ -#define CMD_TYPE_REQUEST 0xF00DFACE -#define CMD_TYPE_DATA 0xBEADC0DE -#define CMD_TYPE_INDICATION 0xBEEFFACE +#define CMD_TYPE_REQUEST 0xF00DFACE +#define CMD_TYPE_DATA 0xBEADC0DE +#define CMD_TYPE_INDICATION 0xBEEFFACE -#define IPFIELD_ALIGN_OFFSET 2 +#define IPFIELD_ALIGN_OFFSET 2 -#define BOOT_CMD_FW_BY_USB 0x01 -#define BOOT_CMD_FW_IN_EEPROM 0x02 -#define BOOT_CMD_UPDATE_BOOT2 0x03 -#define BOOT_CMD_UPDATE_FW 0x04 -#define BOOT_CMD_MAGIC_NUMBER 0x4C56524D /* M=>0x4D,R=>0x52,V=>0x56,L=>0x4C */ +#define BOOT_CMD_FW_BY_USB 0x01 +#define BOOT_CMD_FW_IN_EEPROM 0x02 +#define BOOT_CMD_UPDATE_BOOT2 0x03 +#define BOOT_CMD_UPDATE_FW 0x04 +#define BOOT_CMD_MAGIC_NUMBER 0x4C56524D /* LVRM */ -struct bootcmdstr +struct bootcmd { - __le32 u32magicnumber; - u8 u8cmd_tag; - u8 au8dumy[11]; + __le32 magic; + uint8_t cmd; + uint8_t pad[11]; }; -#define BOOT_CMD_RESP_OK 0x0001 -#define BOOT_CMD_RESP_FAIL 0x0000 +#define BOOT_CMD_RESP_OK 0x0001 +#define BOOT_CMD_RESP_FAIL 0x0000 -struct bootcmdrespStr +struct bootcmdresp { - __le32 u32magicnumber; - u8 u8cmd_tag; - u8 u8result; - u8 au8dumy[2]; -}; - -/* read callback private data */ -struct read_cb_info { - struct usb_card_rec *cardp; - struct sk_buff *skb; + __le32 magic; + uint8_t cmd; + uint8_t result; + uint8_t pad[2]; }; /** USB card description structure*/ -struct usb_card_rec { +struct if_usb_card { struct usb_device *udev; struct urb *rx_urb, *tx_urb; struct lbs_private *priv; - struct read_cb_info rinfo; - int bulk_in_size; - u8 bulk_in_endpointAddr; + struct sk_buff *rx_skb; + uint32_t usb_event_cause; + uint8_t usb_int_cause; + + uint8_t ep_in; + uint8_t ep_out; - u8 *bulk_out_buffer; - int bulk_out_size; - u8 bulk_out_endpointAddr; + int8_t bootcmdresp; + + int ep_in_size; + + void *ep_out_buf; + int ep_out_size; const struct firmware *fw; struct timer_list fw_timeout; wait_queue_head_t fw_wq; - u8 CRC_OK; - u32 fwseqnum; - u32 lastseqnum; - u32 totalbytes; - u32 fwlastblksent; - u8 fwdnldover; - u8 fwfinalblk; - u8 surprise_removed; - - u32 usb_event_cause; - u8 usb_int_cause; - - s8 bootcmdresp; + uint32_t fwseqnum; + uint32_t totalbytes; + uint32_t fwlastblksent; + uint8_t CRC_OK; + uint8_t fwdnldover; + uint8_t fwfinalblk; + uint8_t surprise_removed; + }; /** fwheader */ @@ -87,10 +82,10 @@ struct fwheader { #define FW_MAX_DATA_BLK_SIZE 600 /** FWData */ -struct FWData { - struct fwheader fwheader; +struct fwdata { + struct fwheader hdr; __le32 seqnum; - u8 data[FW_MAX_DATA_BLK_SIZE]; + uint8_t data[0]; }; /** fwsyncheader */ @@ -102,7 +97,5 @@ struct fwsyncheader { #define FW_HAS_DATA_TO_RECV 0x00000001 #define FW_HAS_LAST_BLOCK 0x00000004 -#define FW_DATA_XMIT_SIZE \ - sizeof(struct fwheader) + le32_to_cpu(fwdata->fwheader.datalength) + sizeof(u32) #endif -- 2.30.2