| Message ID | 68f36406-a977-8960-95f1-dc7128b36d29@canonical.com |
|---|---|
| State | New |
| Headers | show |
| Series | NACK: [Xenial SRU][PATCH 1/2] UBUNTU: SAUCE: (no-up) Support IXXAT USB SocketCAN device | expand |
Hi Kleber, On Tue, 2018-06-05 at 10:29 -0700, Kleber Souza wrote: > Hi Shrirang, > > On 05/31/18 22:47, Shrirang Bagul wrote: > > BugLink: http://bugs.launchpad.net/bugs/1774563 > > > > This driver from IXXAT adds support for SocketCAN over USB. > > (https://www.ixxat.com) > > > > Signed-off-by: Shrirang Bagul <shrirang.bagul@canonical.com> > > --- > > ubuntu/Kconfig | 3 +- > > ubuntu/Makefile | 5 +- > > ubuntu/ixxat/Kconfig | 8 + > > ubuntu/ixxat/Makefile | 4 + > > ubuntu/ixxat/ixx_usb_core.c | 923 +++++++++++++++++++ > > ubuntu/ixxat/ixx_usb_core.h | 289 ++++++ > > ubuntu/ixxat/ixx_usb_fd.c | 1673 +++++++++++++++++++++++++++++++++++ > > ubuntu/ixxat/ixx_usb_v2.c | 1450 ++++++++++++++++++++++++++++++ > > 8 files changed, 4353 insertions(+), 2 deletions(-) > > create mode 100644 ubuntu/ixxat/Kconfig > > create mode 100644 ubuntu/ixxat/Makefile > > create mode 100644 ubuntu/ixxat/ixx_usb_core.c > > create mode 100644 ubuntu/ixxat/ixx_usb_core.h > > create mode 100644 ubuntu/ixxat/ixx_usb_fd.c > > create mode 100644 ubuntu/ixxat/ixx_usb_v2.c > > > > diff --git a/ubuntu/Kconfig b/ubuntu/Kconfig > > index bc2fb5530593..a3ad3d87ce53 100644 > > --- a/ubuntu/Kconfig > > +++ b/ubuntu/Kconfig > > @@ -30,10 +30,11 @@ source "ubuntu/opennsl/Kconfig" > > ## > > ## > > ## > > +source "ubuntu/bnxt/Kconfig" > > ## > > ## > > ## > > -source "ubuntu/bnxt/Kconfig" > > +source "ubuntu/ixxat/Kconfig" > > ## > > ## > > ## > > Please add the 3 lines with "##" above the new entry so the patch > doesn't need to touch the exiting entries and avoid merge conflicts by > that. E.g.: > > --- a/ubuntu/Kconfig > +++ b/ubuntu/Kconfig > @@ -37,6 +37,10 @@ source "ubuntu/bnxt/Kconfig" > ## > ## > ## > +source "ubuntu/ixxat/Kconfig > +## > +## > +## > ## > ## > ## understood. > > > > diff --git a/ubuntu/Makefile b/ubuntu/Makefile > > index 85e1c900735c..62dd1e1b7b46 100644 > > --- a/ubuntu/Makefile > > +++ b/ubuntu/Makefile > > @@ -44,11 +44,14 @@ obj-$(CONFIG_OPENNSL) += opennsl/ > > ## > > ## > > ## > > -## > > obj-$(CONFIG_BNXT_BPO) += bnxt/ > > ## > > ## > > ## > > +obj-$(CONFIG_CAN_HMS_USB) += ixxat/ > > +## > > +## > > +## > > ## > > ## > > ## > > Same here. Sent v2 to with suggested changes. Thanks, Shrirang > > > Thanks, > Kleber > > > diff --git a/ubuntu/ixxat/Kconfig b/ubuntu/ixxat/Kconfig > > new file mode 100644 > > index 000000000000..63ff0d054d9e > > --- /dev/null > > +++ b/ubuntu/ixxat/Kconfig > > @@ -0,0 +1,8 @@ > > +config CAN_HMS_USB > > + tristate "HMS USB SocketCAN" > > + depends on X86 || X86_64 > > + depends on USB && CAN_DEV > > + ---help--- > > + This driver is from IXXAT and supports SocketCAN over USB. > > + (https://www.ixxat.com) > > + > > diff --git a/ubuntu/ixxat/Makefile b/ubuntu/ixxat/Makefile > > new file mode 100644 > > index 000000000000..d4ee67ebdd24 > > --- /dev/null > > +++ b/ubuntu/ixxat/Makefile > > @@ -0,0 +1,4 @@ > > +mod-name += ixx_usb > > +obj-m += ixx_usb.o > > +ixx_usb-objs := ixx_usb_v2.o ixx_usb_fd.o ixx_usb_core.o > > + > > diff --git a/ubuntu/ixxat/ixx_usb_core.c b/ubuntu/ixxat/ixx_usb_core.c > > new file mode 100644 > > index 000000000000..d258b6e46453 > > --- /dev/null > > +++ b/ubuntu/ixxat/ixx_usb_core.c > > @@ -0,0 +1,923 @@ > > +/* > > + * CAN driver for IXXAT USB-to-CAN V2 adapters > > + * > > + * Copyright (C) 2003-2014 Michael Hengler IXXAT Automation GmbH > > + * > > + * Based on code originally by pcan_usb_core > > + * > > + * This program is free software; you can redistribute it and/or modify it > > + * under the terms of the GNU General Public License as published > > + * by the Free Software Foundation; version 2 of the License. > > + * > > + * This program is distributed in the hope that it will be useful, but > > + * WITHOUT ANY WARRANTY; without even the implied warranty of > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > > + * General Public License for more details. > > + */ > > +#include <linux/init.h> > > +#include <linux/signal.h> > > +#include <linux/slab.h> > > +#include <linux/module.h> > > +#include <linux/netdevice.h> > > +#include <linux/usb.h> > > +#include <linux/errno.h> > > +#include <linux/skbuff.h> > > +#include <linux/types.h> > > +#include <linux/can.h> > > +#include <linux/can/dev.h> > > +#include <linux/can/error.h> > > +#include <asm-generic/errno.h> > > + > > +#include "ixx_usb_core.h" > > + > > +MODULE_AUTHOR("Michael Hengler <mhengler@ixxat.de>"); > > +MODULE_DESCRIPTION("CAN driver for IXXAT USB-to-CAN V2 adapters"); > > +MODULE_LICENSE("GPL v2"); > > + > > +#define IXXAT_USB_DRIVER_NAME "ixx_usb" > > + > > +#define IXXAT_USB_BUS_CAN 1 // CAN > > +#define IXXAT_USB_BUS_TYPE(BusCtrl) (u8) ( ((BusCtrl) >> 8) & 0x00FF ) > > +#define IXXAT_USB_VENDOR_ID 0x08d8 > > + > > +#define IXXAT_USB_STATE_CONNECTED 0x00000001 > > +#define IXXAT_USB_STATE_STARTED 0x00000002 > > + > > + > > +/* Table of devices that work with this driver */ > > +static struct usb_device_id ixxat_usb_table[] = { > > + {USB_DEVICE(IXXAT_USB_VENDOR_ID, USB_TO_CAN_V2_COMPACT_PRODUCT_ID)}, > > + {USB_DEVICE(IXXAT_USB_VENDOR_ID, USB_TO_CAN_V2_EMBEDDED_PRODUCT_ID)}, > > + {USB_DEVICE(IXXAT_USB_VENDOR_ID, USB_TO_CAN_V2_PROFESSIONAL_PRODUCT_ID)}, > > + {USB_DEVICE(IXXAT_USB_VENDOR_ID, USB_TO_CAN_V2_AUTOMOTIVE_PRODUCT_ID)}, > > + {USB_DEVICE(IXXAT_USB_VENDOR_ID, USB_TO_LIN_V2_PRODUCT_ID)}, > > + {USB_DEVICE(IXXAT_USB_VENDOR_ID, USB_TO_KLINE_V2_PRODUCT_ID)}, > > +#ifdef CANFD_CAPABLE > > + {USB_DEVICE(IXXAT_USB_VENDOR_ID, USB_TO_CAN_FD_AUTOMOTIVE_PRODUCT_ID)}, > > + {USB_DEVICE(IXXAT_USB_VENDOR_ID, USB_TO_CAN_FD_COMPACT_PRODUCT_ID)}, > > + {USB_DEVICE(IXXAT_USB_VENDOR_ID, USB_TO_CAN_FD_PROFESSIONAL_PRODUCT_ID)}, > > + {USB_DEVICE(IXXAT_USB_VENDOR_ID, USB_TO_CAN_FD_PCIE_MINI_PRODUCT_ID)}, > > + {USB_DEVICE(IXXAT_USB_VENDOR_ID, USB_TO_CAR_ID)}, > > + {USB_DEVICE(IXXAT_USB_VENDOR_ID, DELL_EDGE_GW3002_PRODUCT_ID)}, > > +#endif > > + {} /* Terminating entry */ > > +}; > > + > > +MODULE_DEVICE_TABLE(usb, ixxat_usb_table); > > + > > +/* List of supported IXX-USB adapters (NULL terminated list) */ > > +static struct ixx_usb_adapter *ixx_usb_adapters_list[] = { > > + &usb_to_can_v2_compact, > > + &usb_to_can_v2_automotive, > > + &usb_to_can_v2_embedded, > > + &usb_to_can_v2_professional, > > + &usb_to_can_v2_low_speed, > > + &usb_to_can_v2_extended, > > +#ifdef CANFD_CAPABLE > > + &usb_to_can_fd_automotive, > > + &usb_to_can_fd_compact, > > + &usb_to_can_fd_professional, > > + &usb_to_can_fd_pcie_mini, > > + &usb_to_car, > > + &dell_edge_gw3002, > > +#endif > > + NULL, > > +}; > > + > > +/* > > + * dump memory > > + */ > > +#define DUMP_WIDTH 16 > > +void ixxat_dump_mem(char *prompt, void *p, int l) > > +{ > > + pr_info("%s dumping %s (%d bytes):\n", > > + IXXAT_USB_DRIVER_NAME, prompt ? prompt : "memory", l); > > + print_hex_dump(KERN_INFO, IXXAT_USB_DRIVER_NAME " ", DUMP_PREFIX_NONE, > > + DUMP_WIDTH, 1, p, l, false); > > +} > > + > > +static void ixxat_usb_add_us(struct timeval *tv, u64 delta_us) > > +{ > > + /* number of s. to add to final time */ > > + u32 delta_s = div_u64(delta_us, 1000000); > > + > > + delta_us -= delta_s * 1000000; > > + > > + tv->tv_usec += delta_us; > > + if (tv->tv_usec >= 1000000) { > > + tv->tv_usec -= 1000000; > > + delta_s++; > > + } > > + tv->tv_sec += delta_s; > > +} > > + > > +void ixxat_usb_get_ts_tv(struct ixx_usb_device *dev, u32 ts, ktime_t *k_time) > > +{ > > + struct timeval tv = dev->time_ref.tv_host_0; > > + > > + if (ts < dev->time_ref.ts_dev_last) { > > + ixxat_usb_update_ts_now(dev, ts); > > + } > > + > > + dev->time_ref.ts_dev_last = ts; > > + ixxat_usb_add_us(&tv, ts - dev->time_ref.ts_dev_0); > > + > > + if(k_time) > > + *k_time = timeval_to_ktime(tv); > > +} > > + > > +void ixxat_usb_update_ts_now(struct ixx_usb_device *dev, u32 hw_time_base) > > +{ > > + u64 timebase; > > + > > + timebase = (u64)0x00000000FFFFFFFF - (u64)dev->time_ref.ts_dev_0 + (u64)hw_time_base; > > + > > + ixxat_usb_add_us(&dev->time_ref.tv_host_0, timebase); > > + > > + dev->time_ref.ts_dev_0 = hw_time_base; > > +} > > + > > +void ixxat_usb_set_ts_now(struct ixx_usb_device *dev, u32 hw_time_base) > > +{ > > + dev->time_ref.ts_dev_0 = hw_time_base; > > + do_gettimeofday(&dev->time_ref.tv_host_0); > > + dev->time_ref.ts_dev_last = hw_time_base; > > +} > > + > > +/* > > + * callback for bulk Rx urb > > + */ > > +static void ixxat_usb_read_bulk_callback(struct urb *urb) > > +{ > > + struct ixx_usb_device *dev = urb->context; > > + struct net_device *netdev; > > + int err; > > + > > + netdev = dev->netdev; > > + > > + if (!netif_device_present(netdev)) > > + return; > > + > > + /* check reception status */ > > + switch (urb->status) { > > + case 0: > > + /* success */ > > + break; > > + > > + case -EILSEQ: > > + case -ENOENT: > > + case -ECONNRESET: > > + case -ESHUTDOWN: > > + return; > > + > > + default: > > + if (net_ratelimit()) > > + netdev_err(netdev, "Rx urb aborted (%d)\n", > > + urb->status); > > + goto resubmit_urb; > > + } > > + > > + /* protect from any incoming empty msgs */ > > + if ((urb->actual_length > 0) && (dev->adapter->dev_decode_buf)) { > > + /* handle these kinds of msgs only if _start callback called */ > > + if (dev->state & IXXAT_USB_STATE_STARTED) > > + err = dev->adapter->dev_decode_buf(dev, urb); > > + } > > + > > +resubmit_urb: usb_fill_bulk_urb(urb, dev->udev, > > + usb_rcvbulkpipe(dev->udev, dev->ep_msg_in), > > + urb->transfer_buffer, dev->adapter->rx_buffer_size, > > + ixxat_usb_read_bulk_callback, dev); > > + > > + usb_anchor_urb(urb, &dev->rx_submitted); > > + err = usb_submit_urb(urb, GFP_ATOMIC); > > + if (!err) > > + return; > > + > > + usb_unanchor_urb(urb); > > + > > + if (err == -ENODEV) > > + netif_device_detach(netdev); > > + else > > + netdev_err(netdev, "failed resubmitting read bulk urb: %d\n", > > + err); > > +} > > + > > +/* > > + * callback for bulk Tx urb > > + */ > > +static void ixxat_usb_write_bulk_callback(struct urb *urb) > > +{ > > + struct ixx_tx_urb_context *context = urb->context; > > + struct ixx_usb_device *dev; > > + struct net_device *netdev; > > + > > + BUG_ON(!context); > > + > > + dev = context->dev; > > + netdev = dev->netdev; > > + > > + atomic_dec(&dev->active_tx_urbs); > > + > > + if (!netif_device_present(netdev)) > > + return; > > + > > + /* check tx status */ > > + switch (urb->status) { > > + case 0: > > + /* transmission complete */ > > + netdev->stats.tx_packets += context->count; > > + netdev->stats.tx_bytes += context->dlc; > > + > > + /* prevent tx timeout */ > > +#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0) > > + netif_trans_update(netdev); > > +#else > > + netdev->trans_start = jiffies; > > +#endif > > + break; > > + > > + > > + case -EPROTO: > > + case -ENOENT: > > + case -ECONNRESET: > > + case -ESHUTDOWN: > > + break; > > + default: > > + if (net_ratelimit()) > > + netdev_err(netdev, "Tx urb aborted (%d)\n", > > + urb->status); > > + break; > > + } > > + > > + /* should always release echo skb and corresponding context */ > > + can_get_echo_skb(netdev, context->echo_index); > > + context->echo_index = IXXAT_USB_MAX_TX_URBS; > > + > > + /* do wakeup tx queue in case of success only */ > > + if (!urb->status) > > + netif_wake_queue(netdev); > > +} > > + > > +/* > > + * called by netdev to send one skb on the CAN interface. > > + */ > > +static netdev_tx_t ixxat_usb_ndo_start_xmit(struct sk_buff *skb, > > + struct net_device *netdev) > > +{ > > + struct ixx_usb_device *dev = netdev_priv(netdev); > > + struct ixx_tx_urb_context *context = NULL; > > + struct net_device_stats *stats = &netdev->stats; > > + struct canfd_frame *cf = (struct canfd_frame *) skb->data; > > + struct urb *urb; > > + u8 *obuf; > > + int i, err; > > + size_t size = dev->adapter->tx_buffer_size; > > + > > + if (can_dropped_invalid_skb(netdev, skb)) > > + return NETDEV_TX_OK; > > + > > + for (i = 0; i < IXXAT_USB_MAX_TX_URBS; i++) { > > + if (dev->tx_contexts[i].echo_index == IXXAT_USB_MAX_TX_URBS) { > > + context = dev->tx_contexts + i; > > + break; > > + } > > + } > > + > > + if (!context) { > > + /* should not occur except during restart */ > > + return NETDEV_TX_BUSY; > > + } > > + > > + urb = context->urb; > > + obuf = urb->transfer_buffer; > > + > > + err = dev->adapter->dev_encode_msg(dev, skb, obuf, &size); > > + > > + context->echo_index = i; > > + context->dlc = cf->len; > > + context->count = 1; > > + > > + urb->transfer_buffer_length = size; > > + > > + if (err) { > > + if (net_ratelimit()) > > + netdev_err(netdev, "packet dropped\n"); > > + dev_kfree_skb(skb); > > + stats->tx_dropped++; > > + return NETDEV_TX_OK; > > + } > > + > > + usb_anchor_urb(urb, &dev->tx_submitted); > > + > > + can_put_echo_skb(skb, netdev, context->echo_index); > > + > > + atomic_inc(&dev->active_tx_urbs); > > + > > + err = usb_submit_urb(urb, GFP_ATOMIC); > > + if (err) { > > + can_free_echo_skb(netdev, context->echo_index); > > + > > + usb_unanchor_urb(urb); > > + > > + /* this context is not used in fact */ > > + context->echo_index = IXXAT_USB_MAX_TX_URBS; > > + > > + atomic_dec(&dev->active_tx_urbs); > > + > > + switch (err) { > > + case -ENODEV: > > + netif_device_detach(netdev); > > + break; > > + case -ENOENT: > > + /* cable unplugged */ > > + stats->tx_dropped++; > > + break; > > + default: > > + stats->tx_dropped++; > > + netdev_warn(netdev, "tx urb submitting failed err=%d\n", > > + err); > > + } > > + } else { > > +#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0) > > + netif_trans_update(netdev); > > +#else > > + netdev->trans_start = jiffies; > > +#endif > > + > > + /* slow down tx path */ > > + if (atomic_read(&dev->active_tx_urbs) >= IXXAT_USB_MAX_TX_URBS) > > + netif_stop_queue(netdev); > > + } > > + > > + return NETDEV_TX_OK; > > +} > > + > > +/* > > + * start the CAN interface. > > + * Rx and Tx urbs are allocated here. Rx urbs are submitted here. > > + */ > > +static int ixxat_usb_start(struct ixx_usb_device *dev) > > +{ > > + struct net_device *netdev = dev->netdev; > > + int err, i; > > + > > + for (i = 0; i < IXXAT_USB_MAX_RX_URBS; i++) { > > + struct urb *urb; > > + u8 *buf; > > + > > + /* create a URB, and a buffer for it, to receive usb messages */ > > + urb = usb_alloc_urb(0, GFP_KERNEL); > > + if (!urb) { > > + netdev_err(netdev, "No memory left for URBs\n"); > > + err = -ENOMEM; > > + break; > > + } > > + > > + buf = kmalloc(dev->adapter->rx_buffer_size, GFP_KERNEL); > > + if (!buf) { > > + usb_free_urb(urb); > > + err = -ENOMEM; > > + break; > > + } > > + > > + usb_fill_bulk_urb(urb, dev->udev, > > + usb_rcvbulkpipe(dev->udev, dev->ep_msg_in), buf, > > + dev->adapter->rx_buffer_size, > > + ixxat_usb_read_bulk_callback, dev); > > + > > + /* ask last usb_free_urb() to also kfree() transfer_buffer */ > > + urb->transfer_flags |= URB_FREE_BUFFER; > > + usb_anchor_urb(urb, &dev->rx_submitted); > > + > > + err = usb_submit_urb(urb, GFP_KERNEL); > > + if (err) { > > + if (err == -ENODEV) > > + netif_device_detach(dev->netdev); > > + > > + usb_unanchor_urb(urb); > > + kfree(buf); > > + usb_free_urb(urb); > > + break; > > + } > > + > > + /* drop reference, USB core will take care of freeing it */ > > + usb_free_urb(urb); > > + } > > + > > + /* did we submit any URBs? Warn if we was not able to submit all urbs */ > > + if (i < IXXAT_USB_MAX_RX_URBS) { > > + if (i == 0) { > > + netdev_err(netdev, "couldn't setup any rx URB\n"); > > + return err; > > + } > > + > > + netdev_warn(netdev, "rx performance may be slow\n"); > > + } > > + > > + /* pre-alloc tx buffers and corresponding urbs */ > > + for (i = 0; i < IXXAT_USB_MAX_TX_URBS; i++) { > > + struct ixx_tx_urb_context *context; > > + struct urb *urb; > > + u8 *buf; > > + > > + /* create a URB and a buffer for it, to transmit usb messages */ > > + urb = usb_alloc_urb(0, GFP_KERNEL); > > + if (!urb) { > > + netdev_err(netdev, "No memory left for URBs\n"); > > + err = -ENOMEM; > > + break; > > + } > > + > > + buf = kmalloc(dev->adapter->tx_buffer_size, GFP_KERNEL); > > + if (!buf) { > > + usb_free_urb(urb); > > + err = -ENOMEM; > > + break; > > + } > > + > > + context = dev->tx_contexts + i; > > + context->dev = dev; > > + context->urb = urb; > > + > > + usb_fill_bulk_urb(urb, dev->udev, > > + usb_sndbulkpipe(dev->udev, dev->ep_msg_out), > > + buf, dev->adapter->tx_buffer_size, > > + ixxat_usb_write_bulk_callback, context); > > + > > + /* ask last usb_free_urb() to also kfree() transfer_buffer */ > > + urb->transfer_flags |= URB_FREE_BUFFER; > > + } > > + > > + /* warn if we were not able to allocate enough tx contexts */ > > + if (i < IXXAT_USB_MAX_TX_URBS) { > > + if (i == 0) { > > + netdev_err(netdev, "couldn't setup any tx URB\n"); > > + goto err_tx; > > + } > > + > > + netdev_warn(netdev, "tx performance may be slow\n"); > > + } > > + > > + if (dev->adapter->dev_start) { > > + err = dev->adapter->dev_start(dev); > > + if (err) > > + goto err_adapter; > > + } > > + > > + dev->state |= IXXAT_USB_STATE_STARTED; > > + > > + dev->can.state = CAN_STATE_ERROR_ACTIVE; > > + > > + return 0; > > + > > +err_adapter: if (err == -ENODEV) > > + netif_device_detach(dev->netdev); > > + > > + netdev_warn(netdev, "couldn't submit control: %d\n", err); > > + > > + for (i = 0; i < IXXAT_USB_MAX_TX_URBS; i++) { > > + usb_free_urb(dev->tx_contexts[i].urb); > > + dev->tx_contexts[i].urb = NULL; > > + } > > +err_tx: usb_kill_anchored_urbs(&dev->rx_submitted); > > + > > + return err; > > +} > > + > > +/* > > + * called by netdev to open the corresponding CAN interface. > > + */ > > +static int ixxat_usb_ndo_open(struct net_device *netdev) > > +{ > > + struct ixx_usb_device *dev = netdev_priv(netdev); > > + int err; > > + > > + /* common open */ > > + err = open_candev(netdev); > > + if (err) > > + return err; > > + > > + /* finally start device */ > > + err = ixxat_usb_start(dev); > > + if (err) { > > + netdev_err(netdev, "couldn't start device: %d\n", err); > > + close_candev(netdev); > > + return err; > > + } > > + > > + netif_start_queue(netdev); > > + > > + return 0; > > +} > > + > > +/* > > + * unlink in-flight Rx and Tx urbs and free their memory. > > + */ > > +static void ixxat_usb_unlink_all_urbs(struct ixx_usb_device *dev) > > +{ > > + int i; > > + > > + /* free all Rx (submitted) urbs */ > > + usb_kill_anchored_urbs(&dev->rx_submitted); > > + > > + /* free unsubmitted Tx urbs first */ > > + for (i = 0; i < IXXAT_USB_MAX_TX_URBS; i++) { > > + struct urb *urb = dev->tx_contexts[i].urb; > > + > > + if (!urb > > + || dev->tx_contexts[i].echo_index > > + != IXXAT_USB_MAX_TX_URBS) { > > + /* > > + * this urb is already released or always submitted, > > + * let usb core free by itself > > + */ > > + continue; > > + } > > + > > + usb_free_urb(urb); > > + dev->tx_contexts[i].urb = NULL; > > + } > > + > > + /* then free all submitted Tx urbs */ > > + usb_kill_anchored_urbs(&dev->tx_submitted); > > + atomic_set(&dev->active_tx_urbs, 0); > > +} > > + > > +/* > > + * called by netdev to close the corresponding CAN interface. > > + */ > > +static int ixxat_usb_ndo_stop(struct net_device *netdev) > > +{ > > + struct ixx_usb_device *dev = netdev_priv(netdev); > > + > > + dev->state &= ~IXXAT_USB_STATE_STARTED; > > + netif_stop_queue(netdev); > > + > > + /* unlink all pending urbs and free used memory */ > > + ixxat_usb_unlink_all_urbs(dev); > > + > > + if (dev->adapter->dev_stop) > > + dev->adapter->dev_stop(dev); > > + > > + close_candev(netdev); > > + > > + dev->can.state = CAN_STATE_STOPPED; > > + > > + return 0; > > +} > > + > > +/* > > + * handle end of waiting for the device to reset > > + */ > > +void ixxat_usb_restart_complete(struct ixx_usb_device *dev) > > +{ > > + /* finally MUST update can state */ > > + dev->can.state = CAN_STATE_ERROR_ACTIVE; > > + > > + /* netdev queue can be awaken now */ > > + netif_wake_queue(dev->netdev); > > +} > > + > > +void ixxat_usb_async_complete(struct urb *urb) > > +{ > > + kfree(urb->transfer_buffer); > > + usb_free_urb(urb); > > +} > > + > > +/* > > + * candev callback used to change CAN mode. > > + * Warning: this is called from a timer context! > > + */ > > +static int ixxat_usb_set_mode(struct net_device *netdev, enum can_mode mode) > > +{ > > + struct ixx_usb_device *dev = netdev_priv(netdev); > > + int err = 0; > > + > > + switch (mode) { > > + case CAN_MODE_START: > > + dev->restart_flag = 1; > > + wake_up_interruptible(&dev->wait_queue); > > + break; > > + default: > > + return -EOPNOTSUPP; > > + } > > + > > + return err; > > +} > > + > > +/* > > + * candev callback used to set device bitrate. > > + */ > > +static int ixxat_usb_set_bittiming(struct net_device *netdev) > > +{ > > + struct ixx_usb_device* dev = (struct ixx_usb_device*) netdev_priv( > > + netdev); > > + struct can_bittiming *bt = &dev->can.bittiming; > > + > > + if (dev->adapter->dev_set_bittiming) { > > + int err = dev->adapter->dev_set_bittiming(dev, bt); > > + > > + if (err) > > + netdev_info(netdev, "couldn't set bitrate (err %d)\n", > > + err); > > + return err; > > + } > > + > > + return 0; > > +} > > + > > +/* > > + * candev callback used to set error counters. > > + */ > > +static int ixxat_usb_get_berr_counter(const struct net_device *netdev, > > + struct can_berr_counter *bec) > > +{ > > + struct ixx_usb_device* dev = (struct ixx_usb_device*) netdev_priv( > > + netdev); > > + > > + *bec = dev->bec; > > + > > + return 0; > > +} > > + > > +static const struct net_device_ops ixx_usb_netdev_ops = { .ndo_open = > > + ixxat_usb_ndo_open, .ndo_stop = ixxat_usb_ndo_stop, > > + .ndo_start_xmit = ixxat_usb_ndo_start_xmit, > > +#ifdef CANFD_CAPABLE > > + .ndo_change_mtu = can_change_mtu, > > +#endif > > +}; > > + > > +/* > > + * create one device which is attached to CAN controller #ctrl_idx of the > > + * usb adapter. > > + */ > > +static int ixxat_usb_create_dev(struct ixx_usb_adapter *ixx_usb_adapter, > > + struct usb_interface *intf, int ctrl_idx) > > +{ > > + struct usb_device *usb_dev = interface_to_usbdev(intf); > > + int sizeof_candev = ixx_usb_adapter->sizeof_dev_private; > > + struct ixx_usb_device *dev; > > + struct net_device *netdev; > > + int i, err = 0, ep_off = 0; > > + u16 tmp16; > > + > > + if (sizeof_candev < sizeof(struct ixx_usb_device)) > > + sizeof_candev = sizeof(struct ixx_usb_device); > > + > > + netdev = alloc_candev(sizeof_candev, IXXAT_USB_MAX_TX_URBS); > > + if (!netdev) { > > + dev_err(&intf->dev, "%s: couldn't alloc candev\n", > > + IXXAT_USB_DRIVER_NAME); > > + return -ENOMEM; > > + } > > + > > + dev = netdev_priv(netdev); > > + > > + dev->transmit_ptr = 0; > > + dev->transmit_dlc = 0; > > + dev->transmit_count = 0; > > + > > + dev->restart_flag = 0; > > + dev->restart_task = 0; > > + dev->must_quit = 0; > > + init_waitqueue_head(&dev->wait_queue); > > + > > + dev->ctrl_opened_count = 0; > > + > > + dev->udev = usb_dev; > > + dev->netdev = netdev; > > + dev->adapter = ixx_usb_adapter; > > + dev->ctrl_idx = ctrl_idx; > > + dev->state = IXXAT_USB_STATE_CONNECTED; > > + > > + ep_off = ixx_usb_adapter->has_bgi_ep ? 1 : 0; > > + > > + /* Add +1 because of the bgi endpoint */ > > + dev->ep_msg_in = ixx_usb_adapter->ep_msg_in[ctrl_idx+ep_off]; > > + dev->ep_msg_out = ixx_usb_adapter->ep_msg_out[ctrl_idx+ep_off]; > > + > > + dev->can.clock = ixx_usb_adapter->clock; > > + dev->can.bittiming_const = &ixx_usb_adapter->bittiming_const; > > +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 3) > > + dev->can.data_bittiming_const = &ixx_usb_adapter->data_bittiming_const; > > +#endif > > + > > + dev->can.do_set_bittiming = ixxat_usb_set_bittiming; > > + dev->can.do_set_mode = ixxat_usb_set_mode; > > + dev->can.do_get_berr_counter = ixxat_usb_get_berr_counter; > > + > > + dev->can.ctrlmode_supported = ixx_usb_adapter->ctrlmode_supported; > > + > > + netdev->netdev_ops = &ixx_usb_netdev_ops; > > + > > + netdev->flags |= IFF_ECHO; /* we support local echo */ > > + > > + init_usb_anchor(&dev->rx_submitted); > > + > > + init_usb_anchor(&dev->tx_submitted); > > + atomic_set(&dev->active_tx_urbs, 0); > > + > > + for (i = 0; i < IXXAT_USB_MAX_TX_URBS; i++) > > + dev->tx_contexts[i].echo_index = IXXAT_USB_MAX_TX_URBS; > > + > > + dev->prev_siblings = usb_get_intfdata(intf); > > + usb_set_intfdata(intf, dev); > > + > > + SET_NETDEV_DEV(netdev, &intf->dev); > > + > > + err = register_candev(netdev); > > + if (err) { > > + dev_err(&intf->dev, "couldn't register CAN device: %d\n", err); > > + goto lbl_set_intf_data; > > + } > > + > > + if (dev->prev_siblings) > > + (dev->prev_siblings)->next_siblings = dev; > > + > > + /* keep hw revision into the netdevice */ > > + tmp16 = le16_to_cpu(usb_dev->descriptor.bcdDevice); > > + dev->device_rev = tmp16 >> 8; > > + > > + if (dev->adapter->dev_init) { > > + err = dev->adapter->dev_init(dev); > > + if (err) > > + goto lbl_set_intf_data; > > + } > > + > > + if (dev->adapter->intf_get_info) > > + dev->adapter->intf_get_info(dev, > > + &dev->dev_info); > > + > > + netdev_info(netdev, "attached to %s channel %u (device %s)\n", > > + dev->dev_info.device_name, ctrl_idx, > > + dev->dev_info.device_id); > > + > > + return 0; > > + > > +lbl_set_intf_data: usb_set_intfdata(intf, dev->prev_siblings); > > + free_candev(netdev); > > + > > + return err; > > +} > > + > > +/* > > + * called by the usb core when the device is unplugged from the system > > + */ > > +static void ixxat_usb_disconnect(struct usb_interface *intf) > > +{ > > + struct ixx_usb_device *dev; > > + struct ixx_usb_device *dev_prev_siblings; > > + > > + /* unregister as many netdev devices as siblings */ > > + for (dev = usb_get_intfdata(intf); dev; dev = dev_prev_siblings) { > > + struct net_device *netdev = dev->netdev; > > + char name[IFNAMSIZ]; > > + > > + dev_prev_siblings = dev->prev_siblings; > > + dev->state &= ~IXXAT_USB_STATE_CONNECTED; > > + strncpy(name, netdev->name, IFNAMSIZ); > > + > > + unregister_netdev(netdev); > > + > > + dev->next_siblings = NULL; > > + if (dev->adapter->dev_free) > > + dev->adapter->dev_free(dev); > > + > > + free_candev(netdev); > > + dev_dbg(&intf->dev, "%s removed\n", name); > > + } > > + > > + usb_set_intfdata(intf, NULL); > > +} > > + > > +/* > > + * probe function for new ixxat-usb devices > > + */ > > +static int ixxat_usb_probe(struct usb_interface *intf, > > + const struct usb_device_id *id) > > +{ > > + struct usb_device *usb_dev = interface_to_usbdev(intf); > > + struct ixx_usb_adapter *ixx_usb_adapter, **pp; > > + int i, err = -ENOMEM; > > + struct ixx_dev_caps dev_caps; > > + > > + usb_dev = interface_to_usbdev(intf); > > + > > + usb_reset_configuration(usb_dev); > > + > > + /* get corresponding IXX-USB adapter */ > > + for (pp = ixx_usb_adapters_list; *pp; pp++) > > + if ((*pp)->device_id == le16_to_cpu(usb_dev->descriptor.idProduct)) > > + break; > > + > > + ixx_usb_adapter = *pp; > > + if (!ixx_usb_adapter) { > > + /* should never come except device_id bad usage in this file */ > > + pr_err("%s: didn't find device id. 0x%x in devices list\n", > > + IXXAT_USB_DRIVER_NAME, le16_to_cpu(usb_dev->descriptor.idProduct)); > > + return -ENODEV; > > + } > > + > > + /* got corresponding adapter: check if it handles current interface */ > > + if (ixx_usb_adapter->intf_probe) { > > + err = ixx_usb_adapter->intf_probe(intf); > > + if (err) > > + return err; > > + } > > + > > + if (ixx_usb_adapter->dev_power) { > > + err = ixx_usb_adapter->dev_power(usb_dev, IXXAT_USB_POWER_WAKEUP); > > + if (err) > > + return err; > > + > > + /* Give usb device some time to start its can controllers */ > > + msleep(500); > > + } > > + > > + /* got corresponding adapter: check the available controllers */ > > + if (ixx_usb_adapter->dev_get_dev_caps) { > > + err = ixx_usb_adapter->dev_get_dev_caps(usb_dev, &dev_caps); > > + if (err) > > + return err; > > + > > + for (i = 0; i < dev_caps.bus_ctrl_count; i++) { > > + if ( IXXAT_USB_BUS_CAN > > + == IXXAT_USB_BUS_TYPE(dev_caps.bus_ctrl_types[i])) > > + ixx_usb_adapter->ctrl_count++; > > + } > > + > > + for (i = 0; i < dev_caps.bus_ctrl_count; i++) { > > + if ( IXXAT_USB_BUS_CAN == IXXAT_USB_BUS_TYPE(dev_caps.bus_ctrl_types[i])) > > + err = ixxat_usb_create_dev(ixx_usb_adapter, intf, i); > > + if (err) { > > + /* deregister already created devices */ > > + ixxat_usb_disconnect(intf); > > + break; > > + } > > + } > > + } > > + > > + return err; > > +} > > + > > +/* usb specific object needed to register this driver with the usb subsystem */ > > +static struct usb_driver ixx_usb_driver = { > > + .name = IXXAT_USB_DRIVER_NAME, > > + .disconnect = ixxat_usb_disconnect, > > + .probe = ixxat_usb_probe, > > + .id_table = ixxat_usb_table, > > +}; > > + > > +static int __init ixx_usb_init(void) > > +{ > > + int err; > > + > > + /* register this driver with the USB subsystem */ > > + err = usb_register(&ixx_usb_driver); > > + if (err) > > + pr_err("%s: usb_register failed (err %d)\n", > > + IXXAT_USB_DRIVER_NAME, err); > > + > > + return err; > > +} > > + > > +static int ixxat_usb_do_device_exit(struct device *d, void *arg) > > +{ > > + struct usb_interface > > + *intf = (struct usb_interface*)to_usb_interface(d); > > + struct ixx_usb_device *dev; > > + > > + /* stop as many netdev devices as siblings */ > > + for (dev = usb_get_intfdata(intf); dev; dev = dev->prev_siblings) { > > + struct net_device *netdev = dev->netdev; > > + > > + if (netif_device_present(netdev)) > > + if (dev->adapter->dev_exit) > > + dev->adapter->dev_exit(dev); > > + } > > + > > + return 0; > > +} > > + > > +static void __exit ixx_usb_exit(void) > > +{ > > + int err; > > + > > + /* last chance do send any synchronous commands here */ > > + err = driver_for_each_device(&ixx_usb_driver.drvwrap.driver, NULL, > > + NULL, ixxat_usb_do_device_exit); > > + if (err) > > + pr_err("%s: failed to stop all can devices (err %d)\n", > > + IXXAT_USB_DRIVER_NAME, err); > > + > > + /* deregister this driver with the USB subsystem */ > > + usb_deregister(&ixx_usb_driver); > > + > > + pr_info("%s: IXX-USB interfaces driver unloaded\n", > > + IXXAT_USB_DRIVER_NAME); > > +} > > + > > +module_init(ixx_usb_init); > > +module_exit(ixx_usb_exit); > > diff --git a/ubuntu/ixxat/ixx_usb_core.h b/ubuntu/ixxat/ixx_usb_core.h > > new file mode 100644 > > index 000000000000..79c11d8f1ea8 > > --- /dev/null > > +++ b/ubuntu/ixxat/ixx_usb_core.h > > @@ -0,0 +1,289 @@ > > +/* > > + * CAN driver for IXXAT USB-to-CAN V2 adapters > > + * > > + * Copyright (C) 2003-2014 Michael Hengler IXXAT Automation GmbH > > + * > > + * Based on code originally by pcan_usb_core > > + * > > + * This program is free software; you can redistribute it and/or modify it > > + * under the terms of the GNU General Public License as published > > + * by the Free Software Foundation; version 2 of the License. > > + * > > + * This program is distributed in the hope that it will be useful, but > > + * WITHOUT ANY WARRANTY; without even the implied warranty of > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > > + * General Public License for more details. > > + */ > > +#ifndef IXX_USB_CORE_H > > +#define IXX_USB_CORE_H > > + > > +#include <linux/version.h> > > + > > +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 3) > > +#define CANFD_CAPABLE 1 > > +#endif > > + > > +extern struct ixx_usb_adapter usb_to_can_v2_compact; > > +extern struct ixx_usb_adapter usb_to_can_v2_automotive; > > +extern struct ixx_usb_adapter usb_to_can_v2_embedded; > > +extern struct ixx_usb_adapter usb_to_can_v2_professional; > > +extern struct ixx_usb_adapter usb_to_can_v2_low_speed; > > +extern struct ixx_usb_adapter usb_to_can_v2_extended; > > + > > +#ifdef CANFD_CAPABLE > > +extern struct ixx_usb_adapter usb_to_can_fd_automotive; > > +extern struct ixx_usb_adapter usb_to_can_fd_compact; > > +extern struct ixx_usb_adapter usb_to_can_fd_professional; > > +extern struct ixx_usb_adapter usb_to_can_fd_pcie_mini; > > +extern struct ixx_usb_adapter usb_to_car; > > +extern struct ixx_usb_adapter dell_edge_gw3002; > > +#endif > > + > > +#ifndef CAN_MAX_DLEN > > +#define CAN_MAX_DLEN 8 > > +#endif > > + > > +#ifndef CANFD_MAX_DLEN > > +#define CANFD_MAX_DLEN 64 > > +#endif > > + > > + > > +/* supported device ids. */ > > +#define USB_TO_CAN_V2_COMPACT_PRODUCT_ID 0x0008 > > +#define USB_TO_CAN_V2_EMBEDDED_PRODUCT_ID 0x0009 > > +#define USB_TO_CAN_V2_PROFESSIONAL_PRODUCT_ID 0x000A > > +#define USB_TO_CAN_V2_AUTOMOTIVE_PRODUCT_ID 0x000B > > +#define USB_TO_LIN_V2_PRODUCT_ID 0x000C > > +#define USB_TO_KLINE_V2_PRODUCT_ID 0x000D > > +#define USB_TO_CAN_V2_LOW_SPEED_PRODUCT_ID 0xFFFF > > +#define USB_TO_CAN_V2_EXTENDED_PRODUCT_ID 0x000E > > + > > +#define USB_TO_CAN_FD_COMPACT_PRODUCT_ID 0x0014 > > +#define USB_TO_CAN_FD_PROFESSIONAL_PRODUCT_ID 0x0016 > > +#define USB_TO_CAN_FD_AUTOMOTIVE_PRODUCT_ID 0x0017 > > +#define USB_TO_CAN_FD_PCIE_MINI_PRODUCT_ID 0x001B > > +#define USB_TO_CAR_ID 0x001C > > +#define DELL_EDGE_GW3002_PRODUCT_ID 0xFF11 > > + > > +#define IXXAT_USB_MAX_CHANNEL 5 > > + > > +/* number of urbs that are submitted for rx/tx per channel */ > > +#define IXXAT_USB_MAX_RX_URBS 4 > > +#define IXXAT_USB_MAX_TX_URBS 10 > > + > > +#define IXX_BTMODE_NAT 0x01 > > + > > +#define IXXAT_USB_POWER_WAKEUP 0 > > +#define IXXAT_USB_POWER_SLEEP 1 > > + > > +struct ixx_usb_device; > > + > > +struct ixx_dev_caps > > +{ > > + u16 bus_ctrl_count; > > + u16 bus_ctrl_types[32]; > > +} __packed; > > + > > +struct ixx_ctrl_caps > > +{ > > + u16 ctrl_type; > > + u16 bus_coupling; > > + u32 features; > > + u32 clock_freq; > > + u32 tsc_divisor; > > + u32 cms_divisor; > > + u32 cms_max_ticks; > > + u32 dtx_divisor; > > + u32 dtx_max_ticks; > > +} __packed; > > + > > +struct canbtp > > +{ > > + u32 mode; // timing mode (see CAN_BTMODE_ const) > > + u32 bps; // bits per second or prescaler (see CAN_BTMODE_) > > + u16 ts1; // length of time segment 1 in quantas > > + u16 ts2; // length of time segment 2 in quantas > > + u16 sjw; // re-synchronisation jump width in quantas > > + u16 tdo; // transceiver delay compensation offset in quantas > > + // (0 = disabled) > > +} __packed; > > + > > +struct ixx_ctrl_caps_v2 > > +{ > > + u16 ctrl_type; > > + u16 bus_coupling; > > + u32 features; > > + > > + u32 clock_freq; > > + struct canbtp sdr_range_min; > > + struct canbtp sdr_range_max; > > + struct canbtp fdr_range_min; > > + struct canbtp fdr_range_max; > > + > > + u32 tsc_freq; > > + u32 tsc_divisor; > > + > > + u32 cms_freq; > > + u32 cms_divisor; > > + u32 cms_max_ticks; > > + > > + u32 dtx_freq; > > + u32 dtx_divisor; > > + u32 dtx_max_ticks; > > +} __packed; > > + > > +struct ixx_intf_info > > +{ > > + char device_name[16]; // device name > > + char device_id[16]; // device identification ( unique device id) > > + u16 device_version; // device version ( 0, 1, ...) > > + u32 device_fpga_version; // device version of FPGA design > > +} __packed; > > + > > +struct ixx_intf_fw_info > > +{ > > + u32 firmware_type; // type of currently running firmware > > + u16 reserved; // reserved > > + u16 major_version; // major firmware version number > > + u16 minor_version; // minor firmware version number > > + u16 build_version; // build firmware version number > > +} __packed; > > + > > +struct ixx_usb_adapter { > > + char *name; > > + u32 device_id; > > + struct can_clock clock; > > + const struct can_bittiming_const bittiming_const; > > + const struct can_bittiming_const data_bittiming_const; > > + > > + unsigned int ctrl_count; > > + > > + u32 ctrlmode_supported; > > + > > + int (*intf_probe)(struct usb_interface *intf); > > + > > + int (*dev_get_dev_caps)(struct usb_device *usb_dev, struct ixx_dev_caps* dev_caps); > > + int (*dev_get_ctrl_caps)(struct usb_device *usb_dev, struct ixx_ctrl_caps* ctrl_caps, int index); > > + > > + int (*intf_get_info)(struct ixx_usb_device *dev, struct ixx_intf_info* intf_info); > > + int (*intf_get_fw_info)(struct ixx_usb_device *dev, struct ixx_intf_fw_info* fw_info); > > + > > + int (*dev_init)(struct ixx_usb_device *dev); > > + void (*dev_exit)(struct ixx_usb_device *dev); > > + void (*dev_free)(struct ixx_usb_device *dev); > > + int (*dev_open)(struct ixx_usb_device *dev); > > + int (*dev_close)(struct ixx_usb_device *dev); > > + int (*dev_set_bittiming)(struct ixx_usb_device *dev, struct can_bittiming *bt); > > + int (*dev_set_bus)(struct ixx_usb_device *dev, u8 onoff); > > + int (*dev_decode_buf)(struct ixx_usb_device *dev, struct urb *urb); > > + int (*dev_encode_msg)(struct ixx_usb_device *dev, struct sk_buff *skb, > > + u8 *obuf, size_t *size); > > + int (*dev_start)(struct ixx_usb_device *dev); > > + int (*dev_stop)(struct ixx_usb_device *dev); > > + int (*dev_restart_async)(struct ixx_usb_device *dev, struct urb *urb, > > + u8 *buf); > > + int (*dev_power)(struct usb_device *usb_dev, u8 mode); > > + u8 ep_msg_in[IXXAT_USB_MAX_CHANNEL]; > > + u8 ep_msg_out[IXXAT_USB_MAX_CHANNEL]; > > + > > + int rx_buffer_size; > > + int tx_buffer_size; > > + int sizeof_dev_private; > > + > > + int has_bgi_ep; > > + > > +}; > > + > > +struct ixx_time_ref { > > + struct timeval tv_host_0; > > + u32 ts_dev_0; > > + u32 ts_dev_last; > > +}; > > + > > +struct ixx_tx_urb_context { > > + struct ixx_usb_device *dev; > > + u32 echo_index; > > + u8 dlc; > > + u8 count; > > + struct urb *urb; > > +}; > > + > > +/*IXXAT USB device */ > > +struct ixx_usb_device { > > + struct can_priv can; > > + struct ixx_usb_adapter *adapter; > > + unsigned int ctrl_idx; > > + u32 state; > > + > > + struct sk_buff *echo_skb[IXXAT_USB_MAX_TX_URBS]; > > + > > + struct usb_device *udev; > > + struct net_device *netdev; > > + > > + atomic_t active_tx_urbs; > > + struct usb_anchor tx_submitted; > > + struct ixx_tx_urb_context tx_contexts[IXXAT_USB_MAX_TX_URBS]; > > + > > + struct usb_anchor rx_submitted; > > + > > + u32 device_number; > > + u8 device_rev; > > + > > + u8 ep_msg_in; > > + u8 ep_msg_out; > > + > > + u8 transmit_buffer[256]; > > + u8 transmit_ptr; > > + u8 transmit_count; > > + u8 transmit_dlc; > > + > > + struct task_struct *restart_task; > > + u8 restart_flag; > > + u8 must_quit; > > + wait_queue_head_t wait_queue; > > + > > + struct ixx_usb_device *prev_siblings; > > + struct ixx_usb_device *next_siblings; > > + > > + u8 btr0; > > + u8 btr1; > > + > > + int ctrl_opened_count; > > + > > + struct ixx_time_ref time_ref; > > + > > + struct ixx_intf_info dev_info; > > + struct ixx_intf_fw_info fw_info; > > + > > + struct can_berr_counter bec; > > +}; > > + > > +struct ixx_can_msg > > +{ > > + u8 size; > > + u32 time; > > + u32 msg_id; > > + u32 flags; > > + u8 data[CAN_MAX_DLEN]; > > +} __packed; > > + > > +struct ixx_can_msg_v2 > > +{ > > + u8 size; > > + u32 time; > > + u32 msg_id; > > + u32 flags; > > + u32 client_id; > > + u8 data[CANFD_MAX_DLEN]; > > +} __packed; > > + > > +void ixxat_dump_mem(char *prompt, void *p, int l); > > + > > +void ixxat_usb_update_ts_now(struct ixx_usb_device *dev, u32 ts_now); > > +void ixxat_usb_set_ts_now(struct ixx_usb_device *dev, u32 ts_now); > > +void ixxat_usb_get_ts_tv(struct ixx_usb_device *dev, u32 ts, > > + ktime_t* k_time); > > + > > +void ixxat_usb_async_complete(struct urb *urb); > > +void ixxat_usb_restart_complete(struct ixx_usb_device *dev); > > +#endif > > diff --git a/ubuntu/ixxat/ixx_usb_fd.c b/ubuntu/ixxat/ixx_usb_fd.c > > new file mode 100644 > > index 000000000000..63d5b9944a85 > > --- /dev/null > > +++ b/ubuntu/ixxat/ixx_usb_fd.c > > @@ -0,0 +1,1673 @@ > > +/* > > + * CAN driver for IXXAT USB-to-CAN FD > > + * > > + * Copyright (C) 2017 Michael Hengler <mhengler@ixxat.de> > > + * > > + * Based on code originally by pcan_usb_core > > + * > > + * This program is free software; you can redistribute it and/or modify it > > + * under the terms of the GNU General Public License as published > > + * by the Free Software Foundation; version 2 of the License. > > + * > > + * This program is distributed in the hope that it will be useful, but > > + * WITHOUT ANY WARRANTY; without even the implied warranty of > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > > + * General Public License for more details. > > + */ > > +#include <linux/netdevice.h> > > +#include <linux/usb.h> > > +#include <linux/module.h> > > +#include <linux/delay.h> > > +#include <linux/can.h> > > +#include <linux/can/dev.h> > > +#include <linux/can/error.h> > > +#include <linux/kthread.h> > > +#include <linux/sched.h> > > +#include <linux/wait.h> > > +#include <linux/types.h> > > +#include <linux/gfp.h> > > +#include <asm-generic/errno.h> > > +#include <stdarg.h> > > + > > +#include "ixx_usb_core.h" > > + > > +#ifdef CANFD_CAPABLE > > + > > +MODULE_SUPPORTED_DEVICE("IXXAT Automation GmbH USB-to-CAN FD"); > > + > > +/* use ifi can fd clock due to internal bittiming calculations */ > > +#define IFIFD_CRYSTAL_HZ 80000000 > > + > > +/* usb-to-can fd Endpoints */ > > +#define IXXAT_USBFD_EP_CMDOUT 0 > > +#define IXXAT_USBFD_EP_CMDIN (IXXAT_USBFD_EP_CMDOUT | USB_DIR_IN) > > +#define IXXAT_USBFD_EP_MSGOUT_0 1 > > +#define IXXAT_USBFD_EP_MSGIN_0 (IXXAT_USBFD_EP_MSGOUT_0 | USB_DIR_IN) > > +#define IXXAT_USBFD_EP_MSGOUT_1 2 > > +#define IXXAT_USBFD_EP_MSGIN_1 (IXXAT_USBFD_EP_MSGOUT_1 | USB_DIR_IN) > > +#define IXXAT_USBFD_EP_MSGOUT_2 3 > > +#define IXXAT_USBFD_EP_MSGIN_2 (IXXAT_USBFD_EP_MSGOUT_2 | USB_DIR_IN) > > +#define IXXAT_USBFD_EP_MSGOUT_3 4 > > +#define IXXAT_USBFD_EP_MSGIN_3 (IXXAT_USBFD_EP_MSGOUT_3 | USB_DIR_IN) > > +#define IXXAT_USBFD_EP_MSGOUT_4 5 > > +#define IXXAT_USBFD_EP_MSGIN_4 (IXXAT_USBFD_EP_MSGOUT_4 | USB_DIR_IN) > > + > > +/* DELL Edge GW3002 Endpoints */ > > +#define DELL_EDGE_GW3002_EP_MSGOUT_0 1 > > +#define DELL_EDGE_GW3002_EP_MSGIN_0 (2 | USB_DIR_IN) > > +#define DELL_EDGE_GW3002_EP_MSGOUT_1 3 > > +#define DELL_EDGE_GW3002_EP_MSGIN_1 (4 | USB_DIR_IN) > > +#define DELL_EDGE_GW3002_EP_MSGOUT_2 5 > > +#define DELL_EDGE_GW3002_EP_MSGIN_2 (6 | USB_DIR_IN) > > +#define DELL_EDGE_GW3002_EP_MSGOUT_3 7 > > +#define DELL_EDGE_GW3002_EP_MSGIN_3 (8 | USB_DIR_IN) > > +#define DELL_EDGE_GW3002_EP_MSGOUT_4 9 > > +#define DELL_EDGE_GW3002_EP_MSGIN_4 (10 | USB_DIR_IN) > > + > > +/* usb-to-can fd rx/tx buffers size */ > > +#define IXXAT_USBFD_RX_BUFFER_SIZE 512 > > +#define IXXAT_USBFD_TX_BUFFER_SIZE 512 > > + > > +#define IXXAT_USBFD_CMD_BUFFER_SIZE 256 > > + > > +/* reception of 11-bit id messages */ > > +#define IXXAT_USBFD_OPMODE_STANDARD 0x01 > > +/* reception of 29-bit id messages */ > > +#define IXXAT_USBFD_OPMODE_EXTENDED 0x02 > > +/* enable reception of error frames */ > > +#define IXXAT_USBFD_OPMODE_ERRFRAME 0x04 > > +/* listen only mode (TX passive) */ > > +#define IXXAT_USBFD_OPMODE_LISTONLY 0x08 > > + > > +/* no extended operation */ > > +#define IXXAT_USBFD_EXMODE_DISABLED 0x00 > > +/* extended data length */ > > +#define IXXAT_USBFD_EXMODE_EXTDATA 0x01 > > +/* fast data bit rate */ > > +#define IXXAT_USBFD_EXMODE_FASTDATA 0x02 > > +/* ISO conform CAN-FD frame */ > > +#define IXXAT_USBFD_EXMODE_ISOFD 0x04 > > + > > +/* Stuff error */ > > +#define IXXAT_USBFD_CAN_ERROR_STUFF 1 > > +/* Form error */ > > +#define IXXAT_USBFD_CAN_ERROR_FORM 2 > > +/* Acknowledgment error */ > > +#define IXXAT_USBFD_CAN_ERROR_ACK 3 > > +/* Bit error */ > > +#define IXXAT_USBFD_CAN_ERROR_BIT 4 > > +/* Fast data bit rate error */ > > +#define IXXAT_USBFD_CAN_ERROR_FAST_DATA 5 > > +/* CRC error */ > > +#define IXXAT_USBFD_CAN_ERROR_CRC 6 > > +/* Other (unspecified) error */ > > +#define IXXAT_USBFD_CAN_ERROR_OTHER 7 > > + > > +/* Data overrun occurred */ > > +#define IXXAT_USBFD_CAN_STATUS_OVRRUN 0x02 > > +/* Error warning limit exceeded */ > > +#define IXXAT_USBFD_CAN_STATUS_ERRLIM 0x04 > > +/* Bus off status */ > > +#define IXXAT_USBFD_CAN_STATUS_BUSOFF 0x08 > > + > > +#define IXXAT_USBFD_CAN_DATA 0x00 > > +#define IXXAT_USBFD_CAN_INFO 0x01 > > +#define IXXAT_USBFD_CAN_ERROR 0x02 > > +#define IXXAT_USBFD_CAN_STATUS 0x03 > > +#define IXXAT_USBFD_CAN_WAKEUP 0x04 > > +#define IXXAT_USBFD_CAN_TIMEOVR 0x05 > > +#define IXXAT_USBFD_CAN_TIMERST 0x06 > > + > > + > > +#define IXXAT_USBFD_MSG_FLAGS_TYPE 0x000000FF > > +#define IXXAT_USBFD_MSG_FLAGS_SSM 0x00000100 > > +#define IXXAT_USBFD_MSG_FLAGS_HPM 0x00000200 > > +#define IXXAT_USBFD_MSG_FLAGS_EDL 0x00000400 > > +#define IXXAT_USBFD_MSG_FLAGS_FDR 0x00000800 > > +#define IXXAT_USBFD_MSG_FLAGS_ESI 0x00001000 > > +#define IXXAT_USBFD_MSG_FLAGS_RES 0x0000E000 > > +#define IXXAT_USBFD_MSG_FLAGS_DLC 0x000F0000 > > +#define IXXAT_USBFD_MSG_FLAGS_OVR 0x00100000 > > +#define IXXAT_USBFD_MSG_FLAGS_SRR 0x00200000 > > +#define IXXAT_USBFD_MSG_FLAGS_RTR 0x00400000 > > +#define IXXAT_USBFD_MSG_FLAGS_EXT 0x00800000 > > +#define IXXAT_USBFD_MSG_FLAGS_AFC 0xFF000000 > > + > > +#define IXXAT_USBFD_BAL_CMD_CLASS 3 > > +#define IXXAT_USBFD_BRD_CMD_CLASS 4 > > + > > +#define IXXAT_USBFD_BRD_CMD_CAT 0 > > +#define IXXAT_USBFD_CAN_CMD_CAT 1 > > + > > +#define IXXAT_USBFD_VCI_CMD_CODE(Class, Function) \ > > + ((u32) (((Class) << 8) | (Function))) > > + > > +#define IXXAT_USBFD_BRD_CMD_CODE(Category, Function) \ > > + IXXAT_USBFD_VCI_CMD_CODE(IXXAT_USBFD_BRD_CMD_CLASS, \ > > + ((Category) << 5) | (Function)) > > + > > +#define IXXAT_USBFD_BAL_CMD_CODE(Category, Function) \ > > + IXXAT_USBFD_VCI_CMD_CODE(IXXAT_USBFD_BAL_CMD_CLASS, \ > > + ((Category) << 5) | (Function)) > > + > > +#define IXXAT_USBFD_CAN_GET_CAPS_CMD \ > > + IXXAT_USBFD_BAL_CMD_CODE(IXXAT_USBFD_CAN_CMD_CAT, 0) > > +#define IXXAT_USBFD_POWER_CMD \ > > + IXXAT_USBFD_BRD_CMD_CODE(IXXAT_USBFD_CAN_CMD_CAT, 1) > > +#define IXXAT_USBFD_CAN_INIT_CMD \ > > + IXXAT_USBFD_BAL_CMD_CODE(IXXAT_USBFD_CAN_CMD_CAT, 5) > > +#define IXXAT_USBFD_CAN_START_CMD \ > > + IXXAT_USBFD_BAL_CMD_CODE(IXXAT_USBFD_CAN_CMD_CAT, 6) > > +#define IXXAT_USBFD_CAN_STOP_CMD \ > > + IXXAT_USBFD_BAL_CMD_CODE(IXXAT_USBFD_CAN_CMD_CAT, 7) > > +#define IXXAT_USBFD_CAN_RESET_CMD \ > > + IXXAT_USBFD_BAL_CMD_CODE(IXXAT_USBFD_CAN_CMD_CAT, 8) > > +/* Additional commands for USB-to-CAN FD */ > > +#define IXXAT_USBFD_INIT_V2_CMD \ > > + IXXAT_USBFD_BAL_CMD_CODE(IXXAT_USBFD_CAN_CMD_CAT, 23) > > + > > +#define IXXAT_USBFD_BRD_GET_FWINFO_CMD \ > > + IXXAT_USBFD_BRD_CMD_CODE(IXXAT_USBFD_BRD_CMD_CAT, 0) > > +#define IXXAT_USBFD_BRD_GET_DEVCAPS_CMD \ > > + IXXAT_USBFD_BRD_CMD_CODE(IXXAT_USBFD_BRD_CMD_CAT, 1) > > +#define IXXAT_USBFD_BRD_GET_DEVINFO_CMD \ > > + IXXAT_USBFD_BRD_CMD_CODE(IXXAT_USBFD_BRD_CMD_CAT, 2) > > + > > +struct ixx_usbfd_dal_req { > > + u32 req_size; > > + u16 req_port; > > + u16 req_socket; > > + u32 req_code; > > +} __packed; > > + > > +struct ixx_usbfd_dal_res { > > + u32 res_size; > > + u32 ret_size; > > + u32 ret_code; > > +} __packed; > > + > > +// Additional structures for the for USB-to-CAN FD > > + > > +struct ixx_usbfd_dev_power_req { > > + struct ixx_usbfd_dal_req dal_req; > > + u8 mode; > > + u8 _padding1; > > + u16 _padding2; > > +} __packed; > > + > > +struct ixx_usbfd_dev_power_res { > > + struct ixx_usbfd_dal_res dal_res; > > +} __packed; > > + > > +struct ixx_usbfd_ctrl_init_v2_req { > > + struct ixx_usbfd_dal_req dal_req; > > + u8 opmode; > > + u8 exmode; > > + struct canbtp sdr; > > + struct canbtp fdr; > > + u16 _padding; > > +} __packed; > > + > > +struct ixx_usbfd_ctrl_init_v2_res { > > + struct ixx_usbfd_dal_res dal_res; > > +} __packed; > > + > > +struct ixx_usbfd_dev_caps_req { > > + struct ixx_usbfd_dal_req dal_req; > > +} __packed; > > + > > +struct ixx_usbfd_dev_caps_res { > > + struct ixx_usbfd_dal_res dal_res; > > + struct ixx_dev_caps dev_caps; > > +} __packed; > > + > > +struct ixx_usbfd_ctrl_caps_req { > > + struct ixx_usbfd_dal_req dal_req; > > +} __packed; > > + > > +struct ixx_usbfd_ctrl_caps_res { > > + struct ixx_usbfd_dal_res dal_res; > > + struct ixx_ctrl_caps ctrl_caps; > > +} __packed; > > + > > +struct ixx_usbfd_ctrl_init_req { > > + struct ixx_usbfd_dal_req dal_req; > > + u8 mode; > > + u8 btr0; > > + u8 btr1; > > + u8 padding; > > +} __packed; > > + > > +struct ixx_usbfd_ctrl_init_res { > > + struct ixx_usbfd_dal_res dal_res; > > +} __packed; > > + > > +struct ixx_usbfd_ctrl_start_req { > > + struct ixx_usbfd_dal_req dal_req; > > +} __packed; > > + > > +struct ixx_usbfd_ctrl_start_res { > > + struct ixx_usbfd_dal_res dal_res; > > + u32 start_time; > > +} __packed; > > + > > +struct ixx_usbfd_ctrl_stop_req { > > + struct ixx_usbfd_dal_req dal_req; > > + u32 action; > > +} __packed; > > + > > +struct ixx_usbfd_ctrl_stop_res { > > + struct ixx_usbfd_dal_res dal_res; > > +} __packed; > > + > > +struct ixx_usbfd_brd_get_fwinfo_req { > > + struct ixx_usbfd_dal_req dal_req; > > +} __packed; > > + > > +struct ixx_usbfd_brd_get_fwinfo_res { > > + struct ixx_usbfd_dal_res dal_res; > > + struct ixx_intf_fw_info fwinfo; > > +} __packed; > > + > > +struct ixx_usbfd_brd_get_intf_info_req { > > + struct ixx_usbfd_dal_req dal_req; > > +} __packed; > > + > > +struct ixx_usbfd_brd_get_intf_info_res { > > + struct ixx_usbfd_dal_res dal_res; > > + struct ixx_intf_info info; > > +} __packed; > > + > > +/* > > + * send usb-to-can fd command synchronously > > + */ > > +static int ixx_usbfd_send_cmd(struct usb_device *dev, > > + struct ixx_usbfd_dal_req *dal_req) > > +{ > > + int err, i; > > + u16 size, value; > > + u8 request, requesttype; > > + u8 *buf; > > + > > + request = 0xff; > > + requesttype = USB_TYPE_VENDOR | USB_DIR_OUT; > > + value = le16_to_cpu(dal_req->req_port); > > + size = le32_to_cpu(dal_req->req_size) + > > + sizeof(const struct ixx_usbfd_dal_res); > > + > > + buf = kmalloc(size, GFP_KERNEL); > > + if(!buf) > > + return -ENOMEM; > > + memcpy(buf, (u8 *)dal_req, size); > > + > > + for (i = 0; i < 10; ++i) { > > + err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), request, > > + requesttype, > > + value, > > + 0, > > + buf, > > + size, > > + msecs_to_jiffies(50)); > > + > > + if (err < 0) > > + msleep(20); > > + else > > + break; > > + } > > + > > + kfree(buf); > > + > > + if (err < 0) { > > + dev_err(&dev->dev, "sending command failure: %d\n", err); > > + return err; > > + } > > + > > + return 0; > > +} > > + > > +/* > > + * receive usb-to-can fd command synchronously > > + */ > > +static int ixx_usbfd_rcv_cmd(struct usb_device *dev, > > + struct ixx_usbfd_dal_res *dal_res, int value) > > +{ > > + int err, res_size, i, size_to_read; > > + u8 request, requesttype; > > + u8 *buf; > > + > > + request = 0xff; > > + requesttype = USB_TYPE_VENDOR | USB_DIR_IN; > > + res_size = 0; > > + size_to_read = le32_to_cpu(dal_res->res_size); > > + > > + buf = kmalloc(size_to_read, GFP_KERNEL); > > + if(!buf) > > + return -ENOMEM; > > + > > + for (i = 0; i < 10; ++i) { > > + err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), request, > > + requesttype, value, > > + 0, buf + (u8) res_size, > > + size_to_read - res_size, msecs_to_jiffies(50)); > > + > > + if (err < 0) { > > + msleep(20); > > + continue; > > + } > > + > > + res_size += err; > > + if (res_size < size_to_read) > > + msleep(20); > > + else > > + break; > > + } > > + > > + if (res_size != size_to_read) > > + err = -EBADMSG; > > + > > + if (err < 0) { > > + dev_err(&dev->dev, "receiving command failure: %d\n", err); > > + kfree(buf); > > + return err; > > + } > > + > > + memcpy((u8 *)dal_res, buf, size_to_read); > > + kfree(buf); > > + > > + return err; > > +} > > + > > +static int ixx_usbfd_init_ctrl(struct ixx_usb_device *dev, u8 mode, > > + u8 exmode, > > + struct can_bittiming *arbitration_phase, > > + struct can_bittiming *data_phase) > > +{ > > + int err = -ENODEV; > > + u8 data[IXXAT_USBFD_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbfd_ctrl_init_v2_req *ctrl_init_req; > > + struct ixx_usbfd_ctrl_init_v2_res *ctrl_init_res; > > + u32 req_size = sizeof(*ctrl_init_req); > > + > > + ctrl_init_req = (struct ixx_usbfd_ctrl_init_v2_req *) data; > > + ctrl_init_res = (struct ixx_usbfd_ctrl_init_v2_res *)(data + req_size); > > + > > + ctrl_init_req->dal_req.req_size = cpu_to_le32(req_size); > > + ctrl_init_req->dal_req.req_code = > > + cpu_to_le32(IXXAT_USBFD_INIT_V2_CMD); > > + ctrl_init_req->dal_req.req_port = cpu_to_le16(dev->ctrl_idx); > > + ctrl_init_req->dal_req.req_socket = 0xffff; > > + ctrl_init_req->opmode = mode; > > + ctrl_init_req->exmode = exmode; > > + > > + ctrl_init_req->sdr.mode = cpu_to_le32(IXX_BTMODE_NAT); > > + ctrl_init_req->sdr.bps = cpu_to_le32(arbitration_phase->brp); > > + ctrl_init_req->sdr.ts1 = > > + cpu_to_le16(arbitration_phase->prop_seg + > > + arbitration_phase->phase_seg1); > > + ctrl_init_req->sdr.ts2 = cpu_to_le16(arbitration_phase->phase_seg2); > > + ctrl_init_req->sdr.sjw = cpu_to_le16(arbitration_phase->sjw); > > + ctrl_init_req->sdr.tdo = 0; > > + > > + if (exmode) { > > + ctrl_init_req->fdr.mode = cpu_to_le32(IXX_BTMODE_NAT); > > + ctrl_init_req->fdr.bps = cpu_to_le32(data_phase->brp); > > + ctrl_init_req->fdr.ts1 = > > + cpu_to_le16(data_phase->prop_seg + > > + data_phase->phase_seg1); > > + ctrl_init_req->fdr.ts2 = cpu_to_le16(data_phase->phase_seg2); > > + ctrl_init_req->fdr.sjw = cpu_to_le16(data_phase->sjw); > > + ctrl_init_req->fdr.tdo = > > + cpu_to_le16((1 + data_phase->phase_seg1 + > > + data_phase->prop_seg) * > > + data_phase->brp); > > + } > > + > > + ctrl_init_res->dal_res.res_size = > > + cpu_to_le32(sizeof(*ctrl_init_res)); > > + ctrl_init_res->dal_res.ret_size = 0; > > + ctrl_init_res->dal_res.ret_code = 0xffffffff; > > + > > + err = ixx_usbfd_send_cmd(dev->udev, &ctrl_init_req->dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbfd_rcv_cmd(dev->udev, > > + &ctrl_init_res->dal_res, > > + dev->ctrl_idx); > > + if (err < 0) > > + return err; > > + > > + return le32_to_cpu(ctrl_init_res->dal_res.ret_code); > > +} > > + > > +static int ixx_usbfd_start_ctrl(struct ixx_usb_device *dev, u32 *time_ref) > > +{ > > + int err = -ENODEV; > > + u8 data[IXXAT_USBFD_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbfd_ctrl_start_req *ctrl_start_req; > > + struct ixx_usbfd_ctrl_start_res *ctrl_start_res; > > + u32 req_size = sizeof(*ctrl_start_req); > > + > > + ctrl_start_req = (struct ixx_usbfd_ctrl_start_req *) data; > > + ctrl_start_res = (struct ixx_usbfd_ctrl_start_res *)(data + req_size); > > + > > + ctrl_start_req->dal_req.req_size = cpu_to_le32(req_size); > > + ctrl_start_req->dal_req.req_code = > > + cpu_to_le32(IXXAT_USBFD_CAN_START_CMD); > > + ctrl_start_req->dal_req.req_port = cpu_to_le16(dev->ctrl_idx); > > + ctrl_start_req->dal_req.req_socket = 0xffff; > > + > > + ctrl_start_res->dal_res.res_size = > > + cpu_to_le32(sizeof(*ctrl_start_res)); > > + ctrl_start_res->dal_res.ret_size = 0; > > + ctrl_start_res->dal_res.ret_code = 0xffffffff; > > + ctrl_start_res->start_time = 0; > > + > > + err = ixx_usbfd_send_cmd(dev->udev, &ctrl_start_req->dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbfd_rcv_cmd(dev->udev, > > + &ctrl_start_res->dal_res, > > + dev->ctrl_idx); > > + if (err < 0) > > + return err; > > + > > + if (time_ref) > > + *time_ref = le32_to_cpu(ctrl_start_res->start_time); > > + > > + return le32_to_cpu(ctrl_start_res->dal_res.ret_code); > > +} > > + > > +static int ixx_usbfd_stop_ctrl(struct ixx_usb_device *dev) > > +{ > > + int err = -ENODEV; > > + u8 data[IXXAT_USBFD_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbfd_ctrl_stop_req *ctrl_stop_req; > > + struct ixx_usbfd_ctrl_stop_res *ctrl_stop_res; > > + u32 req_size = sizeof(*ctrl_stop_req); > > + > > + ctrl_stop_req = (struct ixx_usbfd_ctrl_stop_req *) data; > > + ctrl_stop_res = (struct ixx_usbfd_ctrl_stop_res *)(data + req_size); > > + > > + ctrl_stop_req->dal_req.req_size = cpu_to_le32(req_size); > > + ctrl_stop_req->dal_req.req_code = > > + cpu_to_le32(IXXAT_USBFD_CAN_STOP_CMD); > > + ctrl_stop_req->dal_req.req_port = cpu_to_le16(dev->ctrl_idx); > > + ctrl_stop_req->dal_req.req_socket = 0xffff; > > + ctrl_stop_req->action = cpu_to_le32(0x3); > > + > > + ctrl_stop_res->dal_res.res_size = > > + cpu_to_le32(sizeof(*ctrl_stop_res)); > > + ctrl_stop_res->dal_res.ret_size = 0; > > + ctrl_stop_res->dal_res.ret_code = 0xffffffff; > > + > > + err = ixx_usbfd_send_cmd(dev->udev, &ctrl_stop_req->dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbfd_rcv_cmd(dev->udev, > > + &ctrl_stop_res->dal_res, > > + dev->ctrl_idx); > > + if (err < 0) > > + return err; > > + > > + if (!le32_to_cpu(ctrl_stop_res->dal_res.ret_code)) > > + dev->can.state = CAN_STATE_STOPPED; > > + > > + return le32_to_cpu(ctrl_stop_res->dal_res.ret_code); > > +} > > + > > +static int ixx_usbfd_reset_ctrl(struct ixx_usb_device *dev) > > +{ > > + int err = -ENODEV; > > + u8 data[IXXAT_USBFD_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbfd_dal_req *dal_req; > > + struct ixx_usbfd_dal_res *dal_res; > > + u32 req_size = sizeof(*dal_req); > > + > > + dal_req = (struct ixx_usbfd_dal_req *) data; > > + dal_res = (struct ixx_usbfd_dal_res *)(data + req_size); > > + > > + dal_req->req_size = cpu_to_le32(req_size); > > + dal_req->req_code = cpu_to_le32(IXXAT_USBFD_CAN_RESET_CMD); > > + dal_req->req_port = cpu_to_le16(dev->ctrl_idx); > > + dal_req->req_socket = 0xffff; > > + > > + dal_res->res_size = cpu_to_le32(sizeof(*dal_res)); > > + dal_res->ret_size = 0; > > + dal_res->ret_code = 0xffffffff; > > + > > + err = ixx_usbfd_send_cmd(dev->udev, dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbfd_rcv_cmd(dev->udev, dal_res, > > + dev->ctrl_idx); > > + if (err < 0) > > + return err; > > + > > + return le32_to_cpu(dal_res->ret_code); > > +} > > + > > +static int ixx_usbfd_power_ctrl(struct usb_device *dev, u8 mode) > > +{ > > + int err = -ENODEV; > > + u8 data[IXXAT_USBFD_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbfd_dev_power_req *ctrl_power_req; > > + struct ixx_usbfd_dev_power_res *ctrl_power_res; > > + u32 req_size = sizeof(*ctrl_power_req); > > + > > + ctrl_power_req = (struct ixx_usbfd_dev_power_req *) data; > > + ctrl_power_res = (struct ixx_usbfd_dev_power_res *)(data + req_size); > > + > > + ctrl_power_req->dal_req.req_size = cpu_to_le32(req_size); > > + ctrl_power_req->dal_req.req_code = > > + cpu_to_le32(IXXAT_USBFD_POWER_CMD); > > + ctrl_power_req->dal_req.req_port = cpu_to_le16(0xffff); > > + ctrl_power_req->dal_req.req_socket = 0xffff; > > + ctrl_power_req->mode = mode; > > + > > + ctrl_power_res->dal_res.res_size = > > + cpu_to_le32(sizeof(*ctrl_power_res)); > > + ctrl_power_res->dal_res.ret_size = 0; > > + ctrl_power_res->dal_res.ret_code = 0xffffffff; > > + > > + err = ixx_usbfd_send_cmd(dev, &ctrl_power_req->dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbfd_rcv_cmd(dev, > > + &ctrl_power_res->dal_res, > > + 0xffff); > > + if (err < 0) > > + return err; > > + > > + return le32_to_cpu(ctrl_power_res->dal_res.ret_code); > > +} > > + > > +/* > > + * handle restart but in asynchronously way > > + */ > > +static int ixx_usbfd_restart_task(void *user_data) > > +{ > > + u32 time_ref; > > + struct ixx_usb_device *dev = user_data; > > + > > + while (!kthread_should_stop()) { > > + if (!dev->must_quit) { > > + wait_event_interruptible(dev->wait_queue, > > + dev->restart_flag); > > + if (!dev->must_quit) { > > + ixx_usbfd_stop_ctrl(dev); > > + ixx_usbfd_start_ctrl(dev, &time_ref); > > + dev->restart_flag = 0; > > + dev->can.state = CAN_STATE_ERROR_ACTIVE; > > + } > > + } else > > + msleep(20); > > + } > > + return 0; > > +} > > + > > +static int ixx_usbfd_handle_canmsg(struct ixx_usb_device *dev, > > + struct ixx_can_msg_v2 *rx) > > +{ > > + struct net_device *netdev = dev->netdev; > > + struct canfd_frame *can_frame; > > + struct sk_buff *skb; > > + const u32 flags = le32_to_cpu(rx->flags); > > + > > + if (flags & IXXAT_USBFD_MSG_FLAGS_EDL) > > + skb = alloc_canfd_skb(netdev, &can_frame); > > + else > > + skb = alloc_can_skb(netdev, (struct can_frame **)&can_frame); > > + > > + if (!skb) > > + return -ENOMEM; > > + > > + if (flags & IXXAT_USBFD_MSG_FLAGS_EDL) { > > + if (flags & IXXAT_USBFD_MSG_FLAGS_FDR) > > + can_frame->flags |= CANFD_BRS; > > + > > + if (flags & IXXAT_USBFD_MSG_FLAGS_ESI) > > + can_frame->flags |= CANFD_ESI; > > + > > + can_frame->len = > > + can_dlc2len( > > + get_canfd_dlc((flags & IXXAT_USBFD_MSG_FLAGS_DLC) > > + >> 16)); > > + } else { > > + can_frame->len = > > + get_canfd_dlc((flags & IXXAT_USBFD_MSG_FLAGS_DLC) > > + >> 16); > > + } > > + > > + if (flags & IXXAT_USBFD_MSG_FLAGS_OVR) { > > + netdev->stats.rx_over_errors++; > > + netdev->stats.rx_errors++; > > + } > > + > > + can_frame->can_id = le32_to_cpu(rx->msg_id); > > + > > + if (flags & IXXAT_USBFD_MSG_FLAGS_EXT) > > + can_frame->can_id |= CAN_EFF_FLAG; > > + > > + if (flags & IXXAT_USBFD_MSG_FLAGS_RTR) > > + can_frame->can_id |= CAN_RTR_FLAG; > > + else > > + memcpy(can_frame->data, rx->data, can_frame->len); > > + > > + ixxat_usb_get_ts_tv(dev, le32_to_cpu(rx->time), &skb->tstamp); > > + > > + netif_rx(skb); > > + netdev->stats.rx_packets++; > > + netdev->stats.rx_bytes += can_frame->len; > > + > > + return 0; > > +} > > + > > +static int ixx_usbfd_handle_error(struct ixx_usb_device *dev, > > + struct ixx_can_msg_v2 *rx) > > +{ > > + struct net_device *netdev = dev->netdev; > > + struct can_frame *can_frame; > > + struct sk_buff *skb; > > + u8 raw_status = 0; > > + > > + /* nothing should be sent while in BUS_OFF state */ > > + if (dev->can.state == CAN_STATE_BUS_OFF) > > + return 0; > > + > > + raw_status = rx->data[0]; > > + > > + /* allocate an skb to store the error frame */ > > + skb = alloc_can_err_skb(netdev, &can_frame); > > + if (!skb) > > + return -ENOMEM; > > + > > + switch (raw_status) { > > + case IXXAT_USBFD_CAN_ERROR_ACK: > > + can_frame->can_id |= CAN_ERR_ACK; > > + netdev->stats.tx_errors++; > > + break; > > + case IXXAT_USBFD_CAN_ERROR_BIT: > > + can_frame->can_id |= CAN_ERR_PROT; > > + can_frame->data[2] |= CAN_ERR_PROT_BIT; > > + netdev->stats.rx_errors++; > > + break; > > + case IXXAT_USBFD_CAN_ERROR_CRC: > > + can_frame->can_id |= CAN_ERR_PROT; > > + can_frame->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ; > > + netdev->stats.rx_errors++; > > + break; > > + case IXXAT_USBFD_CAN_ERROR_FORM: > > + can_frame->can_id |= CAN_ERR_PROT; > > + can_frame->data[2] |= CAN_ERR_PROT_FORM; > > + netdev->stats.rx_errors++; > > + break; > > + case IXXAT_USBFD_CAN_ERROR_STUFF: > > + can_frame->can_id |= CAN_ERR_PROT; > > + can_frame->data[2] |= CAN_ERR_PROT_STUFF; > > + netdev->stats.rx_errors++; > > + break; > > + case IXXAT_USBFD_CAN_ERROR_OTHER: > > + can_frame->can_id |= CAN_ERR_PROT; > > + can_frame->data[2] |= CAN_ERR_PROT_UNSPEC; > > + netdev->stats.rx_errors++; > > + break; > > + default: > > + can_frame->can_id |= CAN_ERR_PROT; > > + netdev->stats.rx_errors++; > > + } > > + > > + netif_rx(skb); > > + netdev->stats.rx_packets++; > > + netdev->stats.rx_bytes += can_frame->can_dlc; > > + > > + dev->bec.txerr = le16_to_cpu(rx->data[1]); > > + dev->bec.rxerr = le16_to_cpu(rx->data[3]); > > + > > + return 0; > > +} > > + > > +static int ixx_usbfd_handle_status(struct ixx_usb_device *dev, > > + struct ixx_can_msg_v2 *rx) > > +{ > > + struct net_device *netdev = dev->netdev; > > + struct can_frame *can_frame; > > + struct sk_buff *skb; > > + u8 raw_status = 0; > > + u32 new_state = 0; > > + > > + raw_status = rx->data[0]; > > + > > + /* nothing should be sent while in BUS_OFF state */ > > + if (dev->can.state == CAN_STATE_BUS_OFF) > > + return 0; > > + > > + if (!raw_status) { > > + /* no error bit (back to active state) */ > > + dev->can.state = CAN_STATE_ERROR_ACTIVE; > > + > > + dev->bec.txerr = 0; > > + dev->bec.rxerr = 0; > > + return 0; > > + } > > + > > + /* allocate an skb to store the error frame */ > > + skb = alloc_can_err_skb(netdev, &can_frame); > > + if (!skb) > > + return -ENOMEM; > > + > > + if (raw_status & IXXAT_USBFD_CAN_STATUS_BUSOFF) { > > + can_frame->can_id |= CAN_ERR_BUSOFF; > > + new_state = CAN_STATE_BUS_OFF; > > + dev->can.can_stats.bus_off++; > > + can_bus_off(netdev); > > + } else { > > + if (raw_status & IXXAT_USBFD_CAN_STATUS_ERRLIM) { > > + can_frame->can_id |= CAN_ERR_CRTL; > > + can_frame->data[1] |= CAN_ERR_CRTL_TX_WARNING; > > + can_frame->data[1] |= CAN_ERR_CRTL_RX_WARNING; > > + dev->can.can_stats.error_warning++; > > + new_state = CAN_STATE_ERROR_WARNING; > > + } > > + > > + if (raw_status & IXXAT_USBFD_CAN_STATUS_OVRRUN) { > > + can_frame->can_id |= CAN_ERR_PROT; > > + can_frame->data[2] |= CAN_ERR_PROT_OVERLOAD; > > + netdev->stats.rx_over_errors++; > > + netdev->stats.rx_errors++; > > + } > > + > > + if (!new_state) { > > + new_state = CAN_STATE_ERROR_ACTIVE; > > + > > + dev->bec.txerr = 0; > > + dev->bec.rxerr = 0; > > + } > > + } > > + > > + dev->can.state = new_state; > > + > > + netif_rx(skb); > > + netdev->stats.rx_packets++; > > + netdev->stats.rx_bytes += can_frame->can_dlc; > > + > > + return 0; > > +} > > + > > +/* > > + * callback for bulk IN urb > > + */ > > +static int ixx_usbfd_decode_buf(struct ixx_usb_device *dev, struct urb *urb) > > +{ > > + struct net_device *netdev = dev->netdev; > > + struct ixx_can_msg_v2 *can_msg; > > + u32 msg_end; > > + int err = 0; > > + u32 read_size = 0; > > + u8 msg_type; > > + > > + u8 *data = urb->transfer_buffer; > > + > > + /* loop reading all the records from the incoming message */ > > + msg_end = urb->actual_length; > > + for (; msg_end > 0;) { > > + can_msg = (struct ixx_can_msg_v2 *) &data[read_size]; > > + > > + if (!can_msg || !can_msg->size) { > > + netdev_err(netdev, "got unsupported rec in usb msg:\n"); > > + err = -ENOTSUPP; > > + break; > > + } > > + > > + /* check if the record goes out of current packet */ > > + if ((read_size + can_msg->size + 1) > urb->actual_length) { > > + netdev_err(netdev, > > + "got frag rec: should inc usb rx buf size\n"); > > + err = -EBADMSG; > > + break; > > + } > > + > > + msg_type = (le32_to_cpu(can_msg->flags) & > > + IXXAT_USBFD_MSG_FLAGS_TYPE); > > + > > + switch (msg_type) { > > + > > + case IXXAT_USBFD_CAN_DATA: > > + err = ixx_usbfd_handle_canmsg(dev, can_msg); > > + if (err < 0) > > + goto fail; > > + break; > > + > > + case IXXAT_USBFD_CAN_STATUS: > > + err = ixx_usbfd_handle_status(dev, can_msg); > > + if (err < 0) > > + goto fail; > > + break; > > + > > + case IXXAT_USBFD_CAN_ERROR: > > + err = ixx_usbfd_handle_error(dev, can_msg); > > + if (err < 0) > > + goto fail; > > + break; > > + > > + case IXXAT_USBFD_CAN_TIMEOVR: > > + ixxat_usb_get_ts_tv(dev, can_msg->time, NULL); > > + break; > > + > > + case IXXAT_USBFD_CAN_INFO: > > + case IXXAT_USBFD_CAN_WAKEUP: > > + case IXXAT_USBFD_CAN_TIMERST: > > + break; > > + > > + default: > > + netdev_err(netdev, > > + "unhandled rec type 0x%02x (%d): ignored\n", > > + msg_type, msg_type); > > + break; > > + } > > + > > + read_size += can_msg->size + 1; > > + msg_end -= (can_msg->size + 1); > > + } > > + > > +fail: > > + if (err) > > + ixxat_dump_mem("received msg", urb->transfer_buffer, > > + urb->actual_length); > > + > > + return err; > > +} > > + > > +static int ixx_usbfd_encode_msg(struct ixx_usb_device *dev, struct sk_buff *skb, > > + u8 *obuf, size_t *size) > > +{ > > + struct canfd_frame *cf = (struct canfd_frame *) skb->data; > > + struct ixx_can_msg_v2 can_msg = { 0 }; > > + > > + if (cf->can_id & CAN_RTR_FLAG) > > + can_msg.flags |= IXXAT_USBFD_MSG_FLAGS_RTR; > > + > > + if (cf->can_id & CAN_EFF_FLAG) { > > + can_msg.flags |= IXXAT_USBFD_MSG_FLAGS_EXT; > > + can_msg.msg_id = cf->can_id & CAN_EFF_MASK; > > + } else { > > + can_msg.msg_id = cf->can_id & CAN_SFF_MASK; > > + } > > + > > + if (dev->can.ctrlmode & CAN_CTRLMODE_ONE_SHOT) > > + can_msg.flags |= IXXAT_USBFD_MSG_FLAGS_SSM; > > + > > + if (skb->len == CANFD_MTU) { > > + can_msg.flags |= IXXAT_USBFD_MSG_FLAGS_EDL; > > + > > + if (!(cf->can_id & CAN_RTR_FLAG) && (cf->flags & CANFD_BRS)) > > + can_msg.flags |= IXXAT_USBFD_MSG_FLAGS_FDR; > > + } > > + > > + can_msg.flags |= (can_len2dlc(cf->len) << 16) & > > + IXXAT_USBFD_MSG_FLAGS_DLC; > > + > > + can_msg.flags = cpu_to_le32(can_msg.flags); > > + can_msg.msg_id = cpu_to_le32(can_msg.msg_id); > > + > > + memcpy(can_msg.data, cf->data, cf->len); > > + can_msg.size = (u8)(sizeof(can_msg) - 1 - CANFD_MAX_DLEN + cf->len); > > + > > + memcpy(obuf, &can_msg, can_msg.size + 1); > > + > > + *size = can_msg.size + 1; > > + > > + skb->data_len = *size; > > + > > + return 0; > > +} > > + > > +static int ixx_usbfd_start(struct ixx_usb_device *dev) > > +{ > > + int err; > > + u32 time_ref = 0; > > + u8 can_opmode = IXXAT_USBFD_OPMODE_EXTENDED > > + | IXXAT_USBFD_OPMODE_STANDARD; > > + u8 can_exmode = 0; > > + > > + if (dev->can.ctrlmode & CAN_CTRLMODE_BERR_REPORTING) > > + can_opmode |= IXXAT_USBFD_OPMODE_ERRFRAME; > > + if (dev->can.ctrlmode & CAN_CTRLMODE_LISTENONLY) > > + can_opmode |= IXXAT_USBFD_OPMODE_LISTONLY; > > + > > + if ((CAN_CTRLMODE_FD | CAN_CTRLMODE_FD_NON_ISO) & dev->can.ctrlmode) > > + can_exmode |= IXXAT_USBFD_EXMODE_EXTDATA | > > + IXXAT_USBFD_EXMODE_FASTDATA; > > + > > + if (!(CAN_CTRLMODE_FD_NON_ISO & dev->can.ctrlmode) && can_exmode) > > + can_exmode |= IXXAT_USBFD_EXMODE_ISOFD; > > + > > + /* Try to reset the controller, in case it is already initalized > > + from a previous unclean shutdown */ > > + ixx_usbfd_reset_ctrl(dev); > > + > > + err = ixx_usbfd_init_ctrl(dev, can_opmode, > > + can_exmode, > > + &dev->can.bittiming, > > + &dev->can.data_bittiming); > > + if (err) > > + return err; > > + > > + /* opening first device: */ > > + if (dev->ctrl_opened_count == 0) { > > + err = ixx_usbfd_start_ctrl(dev, &time_ref); > > + if (err) > > + return err; > > + > > + ixxat_usb_set_ts_now(dev, time_ref); > > + } > > + > > + dev->ctrl_opened_count++; > > + > > + dev->bec.txerr = 0; > > + dev->bec.rxerr = 0; > > + > > + return err; > > +} > > + > > +/* > > + * stop interface > > + * (last chance before set bus off) > > + */ > > +static int ixx_usbfd_stop(struct ixx_usb_device *dev) > > +{ > > + int err; > > + > > + if (dev->ctrl_opened_count == 1) { > > + err = ixx_usbfd_stop_ctrl(dev); > > + if (err) > > + return err; > > + } > > + > > + dev->ctrl_opened_count--; > > + > > + return 0; > > +} > > + > > +/* > > + * called when probing to initialize a device object. > > + */ > > +static int ixx_usbfd_init(struct ixx_usb_device *dev) > > +{ > > + dev->restart_task = kthread_run(&ixx_usbfd_restart_task, dev, > > + "restart_thread"); > > + if (!dev->restart_task) > > + return -ENOBUFS; > > + > > + return 0; > > +} > > + > > +static void ixx_usbfd_exit(struct ixx_usb_device *dev) > > +{ > > + ixx_usbfd_reset_ctrl(dev); > > + > > + dev->must_quit = 1; > > + dev->restart_flag = 1; > > + wake_up_interruptible(&dev->wait_queue); > > + if (dev->restart_task) > > + kthread_stop(dev->restart_task); > > +} > > + > > +/* > > + * probe function for new IXXAT USB-to-CAN FD interface > > + */ > > +static int ixx_usbfd_probe(struct usb_interface *intf) > > +{ > > + struct usb_host_interface *if_desc; > > + int i; > > + > > + if_desc = intf->altsetting; > > + > > + /* check interface endpoint addresses */ > > + for (i = 0; i < if_desc->desc.bNumEndpoints; i++) { > > + struct usb_endpoint_descriptor *ep = &if_desc->endpoint[i].desc; > > + > > + /* > > + * below is the list of valid ep addreses. Any other ep address > > + * is considered as not-CAN interface address => no dev created > > + */ > > + switch (ep->bEndpointAddress) { > > + case IXXAT_USBFD_EP_MSGOUT_0: > > + case IXXAT_USBFD_EP_MSGOUT_1: > > + case IXXAT_USBFD_EP_MSGOUT_2: > > + case IXXAT_USBFD_EP_MSGOUT_3: > > + case IXXAT_USBFD_EP_MSGOUT_4: > > + case IXXAT_USBFD_EP_MSGIN_0: > > + case IXXAT_USBFD_EP_MSGIN_1: > > + case IXXAT_USBFD_EP_MSGIN_2: > > + case IXXAT_USBFD_EP_MSGIN_3: > > + case IXXAT_USBFD_EP_MSGIN_4: > > + > > + break; > > + default: > > + return -ENODEV; > > + } > > + } > > + > > + return 0; > > +} > > + > > +static int ixx_usbfd_get_dev_caps(struct usb_device *dev, > > + struct ixx_dev_caps *dev_caps) > > +{ > > + int err = -ENODEV, i; > > + u8 data[IXXAT_USBFD_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbfd_dev_caps_req *dev_caps_req; > > + struct ixx_usbfd_dev_caps_res *dev_caps_res; > > + u32 req_size = sizeof(*dev_caps_req); > > + > > + dev_caps_req = (struct ixx_usbfd_dev_caps_req *) data; > > + dev_caps_res = (struct ixx_usbfd_dev_caps_res *)(data + req_size); > > + > > + dev_caps_req->dal_req.req_size = cpu_to_le32(req_size); > > + dev_caps_req->dal_req.req_code = > > + cpu_to_le32(IXXAT_USBFD_BRD_GET_DEVCAPS_CMD); > > + dev_caps_req->dal_req.req_port = 0xffff; > > + dev_caps_req->dal_req.req_socket = 0xffff; > > + > > + dev_caps_res->dal_res.res_size = cpu_to_le32( > > + sizeof(*dev_caps_res)); > > + dev_caps_res->dal_res.ret_size = 0; > > + dev_caps_res->dal_res.ret_code = 0xffffffff; > > + > > + err = ixx_usbfd_send_cmd(dev, &dev_caps_req->dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbfd_rcv_cmd(dev, &dev_caps_res->dal_res, > > + 0xffff); > > + if (err < 0) > > + return err; > > + > > + dev_caps->bus_ctrl_count = > > + le16_to_cpu(dev_caps_res->dev_caps.bus_ctrl_count); > > + for (i = 0; i < dev_caps->bus_ctrl_count; ++i) > > + dev_caps->bus_ctrl_types[i] = > > + le16_to_cpu(dev_caps_res->dev_caps.bus_ctrl_types[i]); > > + > > + return 0; > > +} > > + > > +static int ixx_usbfd_get_ctrl_caps(struct usb_device *dev, > > + struct ixx_ctrl_caps *ctrl_caps, int index) > > +{ > > + int err = -ENODEV; > > + u8 data[IXXAT_USBFD_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbfd_ctrl_caps_req *ctrl_caps_req; > > + struct ixx_usbfd_ctrl_caps_res *ctrl_caps_res; > > + u32 req_size = sizeof(*ctrl_caps_req); > > + > > + ctrl_caps_req = (struct ixx_usbfd_ctrl_caps_req *) data; > > + ctrl_caps_res = (struct ixx_usbfd_ctrl_caps_res *)(data + req_size); > > + > > + ctrl_caps_req->dal_req.req_size = cpu_to_le32(req_size); > > + ctrl_caps_req->dal_req.req_code = > > + cpu_to_le32(IXXAT_USBFD_CAN_GET_CAPS_CMD); > > + ctrl_caps_req->dal_req.req_port = cpu_to_le16(index); > > + ctrl_caps_req->dal_req.req_socket = 0xffff; > > + > > + ctrl_caps_res->dal_res.res_size = > > + cpu_to_le32(sizeof(*ctrl_caps_res)); > > + ctrl_caps_res->dal_res.ret_size = 0; > > + ctrl_caps_res->dal_res.ret_code = 0xffffffff; > > + > > + err = ixx_usbfd_send_cmd(dev, &ctrl_caps_req->dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbfd_rcv_cmd(dev, > > + &ctrl_caps_res->dal_res, > > + index); > > + if (err < 0) > > + return err; > > + > > + ctrl_caps->bus_coupling = > > + le16_to_cpu(ctrl_caps_res->ctrl_caps.bus_coupling); > > + ctrl_caps->clock_freq = > > + le32_to_cpu(ctrl_caps_res->ctrl_caps.clock_freq); > > + ctrl_caps->cms_divisor = > > + le32_to_cpu(ctrl_caps_res->ctrl_caps.cms_divisor); > > + ctrl_caps->cms_max_ticks = > > + le32_to_cpu(ctrl_caps_res->ctrl_caps.cms_max_ticks); > > + ctrl_caps->ctrl_type = le16_to_cpu(ctrl_caps_res->ctrl_caps.ctrl_type); > > + ctrl_caps->dtx_divisor = > > + le32_to_cpu(ctrl_caps_res->ctrl_caps.dtx_divisor); > > + ctrl_caps->dtx_max_ticks = > > + le32_to_cpu(ctrl_caps_res->ctrl_caps.dtx_max_ticks); > > + ctrl_caps->features = le32_to_cpu(ctrl_caps_res->ctrl_caps.features); > > + ctrl_caps->tsc_divisor = > > + le32_to_cpu(ctrl_caps_res->ctrl_caps.tsc_divisor); > > + > > + return 0; > > +} > > + > > +static int ixx_usbfd_get_fwinfo(struct ixx_usb_device *dev, > > + struct ixx_intf_fw_info *fwinfo) > > +{ > > + int err = -ENODEV; > > + u8 data[IXXAT_USBFD_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbfd_brd_get_fwinfo_req *fw_info_req; > > + struct ixx_usbfd_brd_get_fwinfo_res *fw_info_res; > > + u32 req_size = sizeof(*fw_info_req); > > + > > + fw_info_req = (struct ixx_usbfd_brd_get_fwinfo_req *) data; > > + fw_info_res = (struct ixx_usbfd_brd_get_fwinfo_res *)(data + req_size); > > + > > + fw_info_req->dal_req.req_size = cpu_to_le32(req_size); > > + fw_info_req->dal_req.req_code = > > + cpu_to_le32(IXXAT_USBFD_BRD_GET_FWINFO_CMD); > > + fw_info_req->dal_req.req_port = 0xffff; > > + fw_info_req->dal_req.req_socket = 0xffff; > > + > > + fw_info_res->dal_res.res_size = > > + cpu_to_le32(sizeof(*fw_info_res)); > > + fw_info_res->dal_res.ret_size = 0; > > + fw_info_res->dal_res.ret_code = 0xffffffff; > > + > > + err = ixx_usbfd_send_cmd(dev->udev, &fw_info_req->dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbfd_rcv_cmd(dev->udev, > > + &fw_info_res->dal_res, 0xffff); > > + if (err < 0) > > + return err; > > + > > + if (fwinfo) { > > + fwinfo->build_version = le16_to_cpu( > > + fw_info_res->fwinfo.build_version); > > + fwinfo->firmware_type = le32_to_cpu( > > + fw_info_res->fwinfo.firmware_type); > > + fwinfo->major_version = le16_to_cpu( > > + fw_info_res->fwinfo.major_version); > > + fwinfo->minor_version = le16_to_cpu( > > + fw_info_res->fwinfo.minor_version); > > + fwinfo->reserved = le16_to_cpu(fw_info_res->fwinfo.reserved); > > + } > > + > > + return le32_to_cpu(fw_info_res->dal_res.ret_code); > > +} > > + > > +static int ixx_usbfd_get_dev_info(struct ixx_usb_device *dev, > > + struct ixx_intf_info *dev_info) > > +{ > > + int err = -ENODEV; > > + u8 data[IXXAT_USBFD_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbfd_brd_get_intf_info_req *dev_info_req; > > + struct ixx_usbfd_brd_get_intf_info_res *dev_info_res; > > + u32 req_size = sizeof(*dev_info_req); > > + > > + dev_info_req = (struct ixx_usbfd_brd_get_intf_info_req *) data; > > + dev_info_res = > > + (struct ixx_usbfd_brd_get_intf_info_res *)(data + req_size); > > + > > + dev_info_req->dal_req.req_size = cpu_to_le32(req_size); > > + dev_info_req->dal_req.req_code = > > + cpu_to_le32(IXXAT_USBFD_BRD_GET_DEVINFO_CMD); > > + dev_info_req->dal_req.req_port = 0xffff; > > + dev_info_req->dal_req.req_socket = 0xffff; > > + > > + dev_info_res->dal_res.res_size = > > + cpu_to_le32(sizeof(*dev_info_res)); > > + dev_info_res->dal_res.ret_size = 0; > > + dev_info_res->dal_res.ret_code = 0xffffffff; > > + > > + err = ixx_usbfd_send_cmd(dev->udev, > > + &dev_info_req->dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbfd_rcv_cmd(dev->udev, > > + &dev_info_res->dal_res, > > + 0xffff); > > + if (err < 0) > > + return err; > > + > > + if (dev_info) { > > + memcpy(dev_info->device_id, &dev_info_res->info.device_id, > > + sizeof(dev_info_res->info.device_id)); > > + memcpy(dev_info->device_name, &dev_info_res->info.device_name, > > + sizeof(dev_info_res->info.device_name)); > > + dev_info->device_fpga_version = le16_to_cpu( > > + dev_info_res->info.device_fpga_version); > > + dev_info->device_version = le32_to_cpu( > > + dev_info_res->info.device_version); > > + } > > + > > + return le32_to_cpu(dev_info_res->dal_res.ret_code); > > +} > > + > > +/* > > + * describes the USB-to-CAN FD automotive adapter > > + */ > > +struct ixx_usb_adapter usb_to_can_fd_automotive = { > > + .name = "USB-to-CAN FD automotive", > > + .device_id = USB_TO_CAN_FD_AUTOMOTIVE_PRODUCT_ID, > > + .clock = { > > + .freq = IFIFD_CRYSTAL_HZ, > > + }, > > + > > + .bittiming_const = { > > + .name = "ifi_can", > > + .tseg1_min = 1, > > + .tseg1_max = 256, > > + .tseg2_min = 1, > > + .tseg2_max = 256, > > + .sjw_max = 128, > > + .brp_min = 2, > > + .brp_max = 513, > > + .brp_inc = 1, }, > > + > > + .data_bittiming_const = { > > + .name = "ifi_can", > > + .tseg1_min = 1, > > + .tseg1_max = 256, > > + .tseg2_min = 1, > > + .tseg2_max = 256, > > + .sjw_max = 128, > > + .brp_min = 2, > > + .brp_max = 513, > > + .brp_inc = 1, }, > > + > > + .ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES | > > + CAN_CTRLMODE_LISTENONLY | > > + CAN_CTRLMODE_LOOPBACK | > > + CAN_CTRLMODE_BERR_REPORTING | > > + CAN_CTRLMODE_FD | > > + CAN_CTRLMODE_FD_NON_ISO, > > + > > + /* size of device private data */ > > + .sizeof_dev_private = sizeof(const struct ixx_usb_device), > > + > > + /* give here messages in/out endpoints */ > > + .ep_msg_in = { IXXAT_USBFD_EP_MSGIN_0, IXXAT_USBFD_EP_MSGIN_1, > > + IXXAT_USBFD_EP_MSGIN_2, IXXAT_USBFD_EP_MSGIN_3, > > + IXXAT_USBFD_EP_MSGIN_4 }, > > + .ep_msg_out = { IXXAT_USBFD_EP_MSGOUT_0, IXXAT_USBFD_EP_MSGOUT_1, > > + IXXAT_USBFD_EP_MSGOUT_2, IXXAT_USBFD_EP_MSGOUT_3, > > + IXXAT_USBFD_EP_MSGOUT_4 }, > > + > > + /* size of rx/tx usb buffers */ > > + .rx_buffer_size = IXXAT_USBFD_RX_BUFFER_SIZE, > > + .tx_buffer_size = IXXAT_USBFD_TX_BUFFER_SIZE, > > + > > + /* device callbacks */ > > + .intf_probe = ixx_usbfd_probe, > > + .dev_get_dev_caps = ixx_usbfd_get_dev_caps, > > + .dev_get_ctrl_caps = ixx_usbfd_get_ctrl_caps, > > + .dev_init = ixx_usbfd_init, > > + .dev_exit = ixx_usbfd_exit, > > + .intf_get_info = ixx_usbfd_get_dev_info, > > + .intf_get_fw_info = ixx_usbfd_get_fwinfo, > > + .dev_decode_buf = ixx_usbfd_decode_buf, > > + .dev_encode_msg = ixx_usbfd_encode_msg, > > + .dev_start = ixx_usbfd_start, > > + .dev_stop = ixx_usbfd_stop, > > + .dev_power = ixx_usbfd_power_ctrl, > > + .has_bgi_ep = 1, > > +}; > > + > > +/* > > + * describes the USB-to-CAN FD compact adapter > > + */ > > +struct ixx_usb_adapter usb_to_can_fd_compact = { > > + .name = "USB-to-CAN FD compact", > > + .device_id = USB_TO_CAN_FD_COMPACT_PRODUCT_ID, > > + .clock = { > > + .freq = IFIFD_CRYSTAL_HZ, > > + }, > > + > > + .bittiming_const = { > > + .name = "ifi_can", > > + .tseg1_min = 1, > > + .tseg1_max = 256, > > + .tseg2_min = 1, > > + .tseg2_max = 256, > > + .sjw_max = 128, > > + .brp_min = 2, > > + .brp_max = 513, > > + .brp_inc = 1, }, > > + > > + .data_bittiming_const = { > > + .name = "ifi_can", > > + .tseg1_min = 1, > > + .tseg1_max = 256, > > + .tseg2_min = 1, > > + .tseg2_max = 256, > > + .sjw_max = 128, > > + .brp_min = 2, > > + .brp_max = 513, > > + .brp_inc = 1, }, > > + > > + .ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES | > > + CAN_CTRLMODE_LISTENONLY | > > + CAN_CTRLMODE_LOOPBACK | > > + CAN_CTRLMODE_BERR_REPORTING | > > + CAN_CTRLMODE_FD | > > + CAN_CTRLMODE_FD_NON_ISO, > > + > > + /* size of device private data */ > > + .sizeof_dev_private = sizeof(const struct ixx_usb_device), > > + > > + /* give here messages in/out endpoints */ > > + .ep_msg_in = { IXXAT_USBFD_EP_MSGIN_0, IXXAT_USBFD_EP_MSGIN_1, > > + IXXAT_USBFD_EP_MSGIN_2, IXXAT_USBFD_EP_MSGIN_3, > > + IXXAT_USBFD_EP_MSGIN_4 }, > > + .ep_msg_out = { IXXAT_USBFD_EP_MSGOUT_0, IXXAT_USBFD_EP_MSGOUT_1, > > + IXXAT_USBFD_EP_MSGOUT_2, IXXAT_USBFD_EP_MSGOUT_3, > > + IXXAT_USBFD_EP_MSGOUT_4 }, > > + > > + /* size of rx/tx usb buffers */ > > + .rx_buffer_size = IXXAT_USBFD_RX_BUFFER_SIZE, > > + .tx_buffer_size = IXXAT_USBFD_TX_BUFFER_SIZE, > > + > > + /* device callbacks */ > > + .intf_probe = ixx_usbfd_probe, > > + .dev_get_dev_caps = ixx_usbfd_get_dev_caps, > > + .dev_get_ctrl_caps = ixx_usbfd_get_ctrl_caps, > > + .dev_init = ixx_usbfd_init, > > + .dev_exit = ixx_usbfd_exit, > > + .intf_get_info = ixx_usbfd_get_dev_info, > > + .intf_get_fw_info = ixx_usbfd_get_fwinfo, > > + .dev_decode_buf = ixx_usbfd_decode_buf, > > + .dev_encode_msg = ixx_usbfd_encode_msg, > > + .dev_start = ixx_usbfd_start, > > + .dev_stop = ixx_usbfd_stop, > > + .dev_power = ixx_usbfd_power_ctrl, > > + .has_bgi_ep = 1, > > +}; > > + > > +/* > > + * describes the DELL Edge GW3002 > > + */ > > +struct ixx_usb_adapter dell_edge_gw3002 = { > > + .name = "USB DELL Edge GW3002", > > + .device_id = DELL_EDGE_GW3002_PRODUCT_ID, > > + .clock = { > > + .freq = IFIFD_CRYSTAL_HZ, > > + }, > > + > > + .bittiming_const = { > > + .name = "mcan", > > + .tseg1_min = 1, > > + .tseg1_max = 64, > > + .tseg2_min = 1, > > + .tseg2_max = 16, > > + .sjw_max = 16, > > + .brp_min = 1, > > + .brp_max = 1024, > > + .brp_inc = 1, }, > > + > > + .data_bittiming_const = { > > + .name = "mcan", > > + .tseg1_min = 1, > > + .tseg1_max = 16, > > + .tseg2_min = 1, > > + .tseg2_max = 8, > > + .sjw_max = 4, > > + .brp_min = 1, > > + .brp_max = 32, > > + .brp_inc = 1, }, > > + > > + .ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES | > > + CAN_CTRLMODE_LISTENONLY | > > + CAN_CTRLMODE_LOOPBACK | > > + CAN_CTRLMODE_BERR_REPORTING > > + > > + /* currently not supported > > + CAN_CTRLMODE_FD | > > + CAN_CTRLMODE_FD_NON_ISO > > + */, > > + > > + /* size of device private data */ > > + .sizeof_dev_private = sizeof(const struct ixx_usb_device), > > + > > + /* give here messages in/out endpoints */ > > + .ep_msg_in = { DELL_EDGE_GW3002_EP_MSGIN_0, DELL_EDGE_GW3002_EP_MSGIN_1, > > + DELL_EDGE_GW3002_EP_MSGIN_2, DELL_EDGE_GW3002_EP_MSGIN_3, > > + DELL_EDGE_GW3002_EP_MSGIN_4 }, > > + .ep_msg_out = { DELL_EDGE_GW3002_EP_MSGOUT_0, DELL_EDGE_GW3002_EP_MSGOUT_1, > > + DELL_EDGE_GW3002_EP_MSGOUT_2, DELL_EDGE_GW3002_EP_MSGOUT_3, > > + DELL_EDGE_GW3002_EP_MSGOUT_4 }, > > + > > + /* size of rx/tx usb buffers */ > > + .rx_buffer_size = IXXAT_USBFD_RX_BUFFER_SIZE, > > + .tx_buffer_size = IXXAT_USBFD_TX_BUFFER_SIZE, > > + > > + /* device callbacks */ > > + .intf_probe = ixx_usbfd_probe, > > + .dev_get_dev_caps = ixx_usbfd_get_dev_caps, > > + .dev_get_ctrl_caps = ixx_usbfd_get_ctrl_caps, > > + .dev_init = ixx_usbfd_init, > > + .dev_exit = ixx_usbfd_exit, > > + .intf_get_info = ixx_usbfd_get_dev_info, > > + .intf_get_fw_info = ixx_usbfd_get_fwinfo, > > + .dev_decode_buf = ixx_usbfd_decode_buf, > > + .dev_encode_msg = ixx_usbfd_encode_msg, > > + .dev_start = ixx_usbfd_start, > > + .dev_stop = ixx_usbfd_stop, > > + .dev_power = ixx_usbfd_power_ctrl, > > + .has_bgi_ep = 0, > > +}; > > + > > +/* > > + * describes the USB-to-CAN FD professional adapter > > + */ > > +struct ixx_usb_adapter usb_to_can_fd_professional = { > > + .name = "USB-to-CAN FD professional", > > + .device_id = USB_TO_CAN_FD_PROFESSIONAL_PRODUCT_ID, > > + .clock = { > > + .freq = IFIFD_CRYSTAL_HZ, > > + }, > > + > > + .bittiming_const = { > > + .name = "ifi_can", > > + .tseg1_min = 1, > > + .tseg1_max = 256, > > + .tseg2_min = 1, > > + .tseg2_max = 256, > > + .sjw_max = 128, > > + .brp_min = 2, > > + .brp_max = 513, > > + .brp_inc = 1, }, > > + > > + .data_bittiming_const = { > > + .name = "ifi_can", > > + .tseg1_min = 1, > > + .tseg1_max = 256, > > + .tseg2_min = 1, > > + .tseg2_max = 256, > > + .sjw_max = 128, > > + .brp_min = 2, > > + .brp_max = 513, > > + .brp_inc = 1, }, > > + > > + .ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES | > > + CAN_CTRLMODE_LISTENONLY | > > + CAN_CTRLMODE_LOOPBACK | > > + CAN_CTRLMODE_BERR_REPORTING | > > + CAN_CTRLMODE_FD | > > + CAN_CTRLMODE_FD_NON_ISO, > > + > > + /* size of device private data */ > > + .sizeof_dev_private = sizeof(const struct ixx_usb_device), > > + > > + /* give here messages in/out endpoints */ > > + .ep_msg_in = { IXXAT_USBFD_EP_MSGIN_0, IXXAT_USBFD_EP_MSGIN_1, > > + IXXAT_USBFD_EP_MSGIN_2, IXXAT_USBFD_EP_MSGIN_3, > > + IXXAT_USBFD_EP_MSGIN_4 }, > > + .ep_msg_out = { IXXAT_USBFD_EP_MSGOUT_0, IXXAT_USBFD_EP_MSGOUT_1, > > + IXXAT_USBFD_EP_MSGOUT_2, IXXAT_USBFD_EP_MSGOUT_3, > > + IXXAT_USBFD_EP_MSGOUT_4 }, > > + > > + /* size of rx/tx usb buffers */ > > + .rx_buffer_size = IXXAT_USBFD_RX_BUFFER_SIZE, > > + .tx_buffer_size = IXXAT_USBFD_TX_BUFFER_SIZE, > > + > > + /* device callbacks */ > > + .intf_probe = ixx_usbfd_probe, > > + .dev_get_dev_caps = ixx_usbfd_get_dev_caps, > > + .dev_get_ctrl_caps = ixx_usbfd_get_ctrl_caps, > > + .dev_init = ixx_usbfd_init, > > + .dev_exit = ixx_usbfd_exit, > > + .intf_get_info = ixx_usbfd_get_dev_info, > > + .intf_get_fw_info = ixx_usbfd_get_fwinfo, > > + .dev_decode_buf = ixx_usbfd_decode_buf, > > + .dev_encode_msg = ixx_usbfd_encode_msg, > > + .dev_start = ixx_usbfd_start, > > + .dev_stop = ixx_usbfd_stop, > > + .dev_power = ixx_usbfd_power_ctrl, > > + .has_bgi_ep = 1, > > +}; > > + > > +/* > > + * describes the USB-to-CAN FD PCIe mini adapter > > + */ > > +struct ixx_usb_adapter usb_to_can_fd_pcie_mini = { > > + .name = "USB-to-CAN FD PCIe mini", > > + .device_id = USB_TO_CAN_FD_PCIE_MINI_PRODUCT_ID, > > + .clock = { > > + .freq = IFIFD_CRYSTAL_HZ, > > + }, > > + > > + .bittiming_const = { > > + .name = "ifi_can", > > + .tseg1_min = 1, > > + .tseg1_max = 256, > > + .tseg2_min = 1, > > + .tseg2_max = 256, > > + .sjw_max = 128, > > + .brp_min = 2, > > + .brp_max = 513, > > + .brp_inc = 1, }, > > + > > + .data_bittiming_const = { > > + .name = "ifi_can", > > + .tseg1_min = 1, > > + .tseg1_max = 256, > > + .tseg2_min = 1, > > + .tseg2_max = 256, > > + .sjw_max = 128, > > + .brp_min = 2, > > + .brp_max = 513, > > + .brp_inc = 1, }, > > + > > + .ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES | > > + CAN_CTRLMODE_LISTENONLY | > > + CAN_CTRLMODE_LOOPBACK | > > + CAN_CTRLMODE_BERR_REPORTING | > > + CAN_CTRLMODE_FD | > > + CAN_CTRLMODE_FD_NON_ISO, > > + > > + /* size of device private data */ > > + .sizeof_dev_private = sizeof(const struct ixx_usb_device), > > + > > + /* give here messages in/out endpoints */ > > + .ep_msg_in = { IXXAT_USBFD_EP_MSGIN_0, IXXAT_USBFD_EP_MSGIN_1, > > + IXXAT_USBFD_EP_MSGIN_2, IXXAT_USBFD_EP_MSGIN_3, > > + IXXAT_USBFD_EP_MSGIN_4 }, > > + .ep_msg_out = { IXXAT_USBFD_EP_MSGOUT_0, IXXAT_USBFD_EP_MSGOUT_1, > > + IXXAT_USBFD_EP_MSGOUT_2, IXXAT_USBFD_EP_MSGOUT_3, > > + IXXAT_USBFD_EP_MSGOUT_4 }, > > + > > + /* size of rx/tx usb buffers */ > > + .rx_buffer_size = IXXAT_USBFD_RX_BUFFER_SIZE, > > + .tx_buffer_size = IXXAT_USBFD_TX_BUFFER_SIZE, > > + > > + /* device callbacks */ > > + .intf_probe = ixx_usbfd_probe, > > + .dev_get_dev_caps = ixx_usbfd_get_dev_caps, > > + .dev_get_ctrl_caps = ixx_usbfd_get_ctrl_caps, > > + .dev_init = ixx_usbfd_init, > > + .dev_exit = ixx_usbfd_exit, > > + .intf_get_info = ixx_usbfd_get_dev_info, > > + .intf_get_fw_info = ixx_usbfd_get_fwinfo, > > + .dev_decode_buf = ixx_usbfd_decode_buf, > > + .dev_encode_msg = ixx_usbfd_encode_msg, > > + .dev_start = ixx_usbfd_start, > > + .dev_stop = ixx_usbfd_stop, > > + .dev_power = ixx_usbfd_power_ctrl, > > + .has_bgi_ep = 1, > > +}; > > + > > +/* > > + * describes the USB-to-CAR adapter > > + */ > > +struct ixx_usb_adapter usb_to_car = { > > + .name = "USB-to-CAR", > > + .device_id = USB_TO_CAR_ID, > > + .clock = { > > + .freq = IFIFD_CRYSTAL_HZ, > > + }, > > + > > + .bittiming_const = { > > + .name = "ifi_can", > > + .tseg1_min = 1, > > + .tseg1_max = 256, > > + .tseg2_min = 1, > > + .tseg2_max = 256, > > + .sjw_max = 128, > > + .brp_min = 2, > > + .brp_max = 513, > > + .brp_inc = 1, }, > > + > > + .data_bittiming_const = { > > + .name = "ifi_can", > > + .tseg1_min = 1, > > + .tseg1_max = 256, > > + .tseg2_min = 1, > > + .tseg2_max = 256, > > + .sjw_max = 128, > > + .brp_min = 2, > > + .brp_max = 513, > > + .brp_inc = 1, }, > > + > > + .ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES | > > + CAN_CTRLMODE_LISTENONLY | > > + CAN_CTRLMODE_LOOPBACK | > > + CAN_CTRLMODE_BERR_REPORTING | > > + CAN_CTRLMODE_FD | > > + CAN_CTRLMODE_FD_NON_ISO, > > + > > + /* size of device private data */ > > + .sizeof_dev_private = sizeof(const struct ixx_usb_device), > > + > > + /* give here messages in/out endpoints */ > > + .ep_msg_in = { IXXAT_USBFD_EP_MSGIN_0, IXXAT_USBFD_EP_MSGIN_1, > > + IXXAT_USBFD_EP_MSGIN_2, IXXAT_USBFD_EP_MSGIN_3, > > + IXXAT_USBFD_EP_MSGIN_4 }, > > + .ep_msg_out = { IXXAT_USBFD_EP_MSGOUT_0, IXXAT_USBFD_EP_MSGOUT_1, > > + IXXAT_USBFD_EP_MSGOUT_2, IXXAT_USBFD_EP_MSGOUT_3, > > + IXXAT_USBFD_EP_MSGOUT_4 }, > > + > > + /* size of rx/tx usb buffers */ > > + .rx_buffer_size = IXXAT_USBFD_RX_BUFFER_SIZE, > > + .tx_buffer_size = IXXAT_USBFD_TX_BUFFER_SIZE, > > + > > + /* device callbacks */ > > + .intf_probe = ixx_usbfd_probe, > > + .dev_get_dev_caps = ixx_usbfd_get_dev_caps, > > + .dev_get_ctrl_caps = ixx_usbfd_get_ctrl_caps, > > + .dev_init = ixx_usbfd_init, > > + .dev_exit = ixx_usbfd_exit, > > + .intf_get_info = ixx_usbfd_get_dev_info, > > + .intf_get_fw_info = ixx_usbfd_get_fwinfo, > > + .dev_decode_buf = ixx_usbfd_decode_buf, > > + .dev_encode_msg = ixx_usbfd_encode_msg, > > + .dev_start = ixx_usbfd_start, > > + .dev_stop = ixx_usbfd_stop, > > + .dev_power = ixx_usbfd_power_ctrl, > > + .has_bgi_ep = 1, > > +}; > > + > > + > > +#endif // CANFD_CAPABLE > > diff --git a/ubuntu/ixxat/ixx_usb_v2.c b/ubuntu/ixxat/ixx_usb_v2.c > > new file mode 100644 > > index 000000000000..3fe639c5b817 > > --- /dev/null > > +++ b/ubuntu/ixxat/ixx_usb_v2.c > > @@ -0,0 +1,1450 @@ > > +/* > > + * CAN driver for IXXAT USB-to-CAN V2 > > + * > > + * Copyright (C) 2014 Michael Hengler <mhengler@ixxat.de> > > + * > > + * Based on code originally by pcan_usb_core > > + * > > + * This program is free software; you can redistribute it and/or modify it > > + * under the terms of the GNU General Public License as published > > + * by the Free Software Foundation; version 2 of the License. > > + * > > + * This program is distributed in the hope that it will be useful, but > > + * WITHOUT ANY WARRANTY; without even the implied warranty of > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > > + * General Public License for more details. > > + */ > > +#include <linux/netdevice.h> > > +#include <linux/usb.h> > > +#include <linux/module.h> > > +#include <linux/delay.h> > > +#include <linux/can.h> > > +#include <linux/can/dev.h> > > +#include <linux/can/error.h> > > +#include <linux/kthread.h> > > +#include <linux/sched.h> > > +#include <linux/wait.h> > > +#include <linux/types.h> > > +#include <linux/gfp.h> > > +#include <asm-generic/errno.h> > > +#include <stdarg.h> > > + > > +#include "ixx_usb_core.h" > > + > > +MODULE_SUPPORTED_DEVICE("IXXAT Automation GmbH USB-to-CAN V2"); > > + > > +/* use sja 1000 clock due to internal bittiming calculations */ > > +#define SJA1000_CRYSTAL_HZ 8000000 > > + > > +/* usb-to-can v2 Endpoints */ > > +#define IXXAT_USBV2_EP_CMDOUT 0 > > +#define IXXAT_USBV2_EP_CMDIN (IXXAT_USBV2_EP_CMDOUT | USB_DIR_IN) > > +#define IXXAT_USBV2_EP_MSGOUT_0 1 > > +#define IXXAT_USBV2_EP_MSGIN_0 (IXXAT_USBV2_EP_MSGOUT_0 | USB_DIR_IN) > > +#define IXXAT_USBV2_EP_MSGOUT_1 2 > > +#define IXXAT_USBV2_EP_MSGIN_1 (IXXAT_USBV2_EP_MSGOUT_1 | USB_DIR_IN) > > +#define IXXAT_USBV2_EP_MSGOUT_2 3 > > +#define IXXAT_USBV2_EP_MSGIN_2 (IXXAT_USBV2_EP_MSGOUT_2 | USB_DIR_IN) > > +#define IXXAT_USBV2_EP_MSGOUT_3 4 > > +#define IXXAT_USBV2_EP_MSGIN_3 (IXXAT_USBV2_EP_MSGOUT_3 | USB_DIR_IN) > > +#define IXXAT_USBV2_EP_MSGOUT_4 5 > > +#define IXXAT_USBV2_EP_MSGIN_4 (IXXAT_USBV2_EP_MSGOUT_4 | USB_DIR_IN) > > + > > +/* usb-to-can v2 rx/tx buffers size */ > > +#define IXXAT_USBV2_RX_BUFFER_SIZE 512 > > +#define IXXAT_USBV2_TX_BUFFER_SIZE 256 > > + > > +#define IXXAT_USBV2_CMD_BUFFER_SIZE 256 > > + > > +#define IXXAT_USBV2_OPMODE_STANDARD 0x01 /* reception of 11-bit id messages */ > > +#define IXXAT_USBV2_OPMODE_EXTENDED 0x02 /* reception of 29-bit id messages */ > > +#define IXXAT_USBV2_OPMODE_ERRFRAME 0x04 /* enable reception of error frames */ > > +#define IXXAT_USBV2_OPMODE_LISTONLY 0x08 /* listen only mode (TX passive) */ > > + > > +/* Stuff error */ > > +#define IXXAT_USBV2_CAN_ERROR_STUFF 1 > > +/* Form error */ > > +#define IXXAT_USBV2_CAN_ERROR_FORM 2 > > +/* Acknowledgment error */ > > +#define IXXAT_USBV2_CAN_ERROR_ACK 3 > > +/* Bit error */ > > +#define IXXAT_USBV2_CAN_ERROR_BIT 4 > > +/* CRC error */ > > +#define IXXAT_USBV2_CAN_ERROR_CRC 6 > > +/* Other (unspecified) error */ > > +#define IXXAT_USBV2_CAN_ERROR_OTHER 7 > > + > > +/* Data overrun occurred */ > > +#define IXXAT_USBV2_CAN_STATUS_OVRRUN 0x02 > > +/* Error warning limit exceeded */ > > +#define IXXAT_USBV2_CAN_STATUS_ERRLIM 0x04 > > +/* Bus off status */ > > +#define IXXAT_USBV2_CAN_STATUS_BUSOFF 0x08 > > + > > +#define IXXAT_USBV2_CAN_DATA 0x00 > > +#define IXXAT_USBV2_CAN_INFO 0x01 > > +#define IXXAT_USBV2_CAN_ERROR 0x02 > > +#define IXXAT_USBV2_CAN_STATUS 0x03 > > +#define IXXAT_USBV2_CAN_WAKEUP 0x04 > > +#define IXXAT_USBV2_CAN_TIMEOVR 0x05 > > +#define IXXAT_USBV2_CAN_TIMERST 0x06 > > + > > +#define IXXAT_USBV2_MSG_FLAGS_TYPE 0x000000FF > > +#define IXXAT_USBV2_MSG_FLAGS_SSM 0x00000100 > > +#define IXXAT_USBV2_MSG_FLAGS_HPM 0x00000600 > > +#define IXXAT_USBV2_MSG_FLAGS_RES 0x0000F800 > > +#define IXXAT_USBV2_MSG_FLAGS_DLC 0x000F0000 > > +#define IXXAT_USBV2_MSG_FLAGS_OVR 0x00100000 > > +#define IXXAT_USBV2_MSG_FLAGS_SRR 0x00200000 > > +#define IXXAT_USBV2_MSG_FLAGS_RTR 0x00400000 > > +#define IXXAT_USBV2_MSG_FLAGS_EXT 0x00800000 > > +#define IXXAT_USBV2_MSG_FLAGS_AFC 0xFF000000 > > + > > +#define IXXAT_USBV2_BAL_CMD_CLASS 3 > > +#define IXXAT_USBV2_BRD_CMD_CLASS 4 > > +#define IXXAT_USBV2_BMG_CMD_CLASS 5 > > + > > +#define IXXAT_USBV2_BRD_CMD_CAT 0 > > +#define IXXAT_USBV2_CAN_CMD_CAT 1 > > + > > +#define IXXAT_USBV2_VCI_CMD_CODE(Class, Function) \ > > + ((u32) (((Class) << 8) | (Function))) > > + > > +#define IXXAT_USBV2_BRD_CMD_CODE(Category, Function) \ > > + IXXAT_USBV2_VCI_CMD_CODE(IXXAT_USBV2_BRD_CMD_CLASS, \ > > + ((Category) << 5) | (Function)) > > + > > +#define IXXAT_USBV2_BAL_CMD_CODE(Category, Function) \ > > + IXXAT_USBV2_VCI_CMD_CODE(IXXAT_USBV2_BAL_CMD_CLASS, \ > > + ((Category) << 5) | (Function)) > > + > > +#define IXXAT_USBV2_CAN_GET_CAPS_CMD \ > > + IXXAT_USBV2_BAL_CMD_CODE(IXXAT_USBV2_CAN_CMD_CAT, 0) > > +#define IXXAT_USBV2_CAN_INIT_CMD \ > > + IXXAT_USBV2_BAL_CMD_CODE(IXXAT_USBV2_CAN_CMD_CAT, 5) > > +#define IXXAT_USBV2_CAN_START_CMD \ > > + IXXAT_USBV2_BAL_CMD_CODE(IXXAT_USBV2_CAN_CMD_CAT, 6) > > +#define IXXAT_USBV2_CAN_STOP_CMD \ > > + IXXAT_USBV2_BAL_CMD_CODE(IXXAT_USBV2_CAN_CMD_CAT, 7) > > +#define IXXAT_USBV2_CAN_RESET_CMD \ > > + IXXAT_USBV2_BAL_CMD_CODE(IXXAT_USBV2_CAN_CMD_CAT, 8) > > + > > +#define IXXAT_USBV2_BRD_GET_FWINFO_CMD \ > > + IXXAT_USBV2_BRD_CMD_CODE(IXXAT_USBV2_BRD_CMD_CAT, 0) > > +#define IXXAT_USBV2_BRD_GET_DEVCAPS_CMD \ > > + IXXAT_USBV2_BRD_CMD_CODE(IXXAT_USBV2_BRD_CMD_CAT, 1) > > +#define IXXAT_USBV2_BRD_GET_DEVINFO_CMD \ > > + IXXAT_USBV2_BRD_CMD_CODE(IXXAT_USBV2_BRD_CMD_CAT, 2) > > + > > +struct ixx_usbv2_dal_req { > > + u32 req_size; > > + u16 req_port; > > + u16 req_socket; > > + u32 req_code; > > +} __packed; > > + > > +struct ixx_usbv2_dal_res { > > + u32 res_size; > > + u32 ret_size; > > + u32 ret_code; > > +} __packed; > > + > > +struct ixx_usbv2_dev_caps_req { > > + struct ixx_usbv2_dal_req dal_req; > > +} __packed; > > + > > +struct ixx_usbv2_dev_caps_res { > > + struct ixx_usbv2_dal_res dal_res; > > + struct ixx_dev_caps dev_caps; > > +} __packed; > > + > > +struct ixx_usbv2_ctrl_caps_req { > > + struct ixx_usbv2_dal_req dal_req; > > +} __packed; > > + > > +struct ixx_usbv2_ctrl_caps_res { > > + struct ixx_usbv2_dal_res dal_res; > > + struct ixx_ctrl_caps ctrl_caps; > > +} __packed; > > + > > +struct ixx_usbv2_ctrl_init_req { > > + struct ixx_usbv2_dal_req dal_req; > > + u8 mode; > > + u8 btr0; > > + u8 btr1; > > + u8 padding; > > +} __packed; > > + > > +struct ixx_usbv2_ctrl_init_res { > > + struct ixx_usbv2_dal_res dal_res; > > +} __packed; > > + > > +struct ixx_usbv2_ctrl_start_req { > > + struct ixx_usbv2_dal_req dal_req; > > +} __packed; > > + > > +struct ixx_usbv2_ctrl_start_res { > > + struct ixx_usbv2_dal_res dal_res; > > + u32 start_time; > > +} __packed; > > + > > +struct ixx_usbv2_ctrl_stop_req { > > + struct ixx_usbv2_dal_req dal_req; > > + u32 action; > > +} __packed; > > + > > +struct ixx_usbv2_ctrl_stop_res { > > + struct ixx_usbv2_dal_res dal_res; > > +} __packed; > > + > > +struct ixx_usbv2_brd_get_fwinfo_req { > > + struct ixx_usbv2_dal_req dal_req; > > +} __packed; > > + > > +struct ixx_usbv2_brd_get_fwinfo_res { > > + struct ixx_usbv2_dal_res dal_res; > > + struct ixx_intf_fw_info fwinfo; > > +} __packed; > > + > > +struct ixx_usbv2_brd_get_intf_info_req { > > + struct ixx_usbv2_dal_req dal_req; > > +} __packed; > > + > > +struct ixx_usbv2_brd_get_intf_info_res { > > + struct ixx_usbv2_dal_res dal_res; > > + struct ixx_intf_info info; > > +} __packed; > > + > > +/* > > + * send usb-to-can v2 command synchronously > > + */ > > +static int ixx_usbv2_send_cmd(struct usb_device *dev, > > + struct ixx_usbv2_dal_req *dal_req) > > +{ > > + int err, i; > > + u16 size, value; > > + u8 request, requesttype; > > + u8 *buf; > > + > > + request = 0xff; > > + requesttype = USB_TYPE_VENDOR | USB_DIR_OUT; > > + value = le16_to_cpu(dal_req->req_port); > > + size = le32_to_cpu(dal_req->req_size) + > > + sizeof(const struct ixx_usbv2_dal_res); > > + > > + buf = kmalloc(size, GFP_KERNEL); > > + if(!buf) > > + return -ENOMEM; > > + memcpy(buf, (u8 *)dal_req, size); > > + > > + > > + for (i = 0; i < 10; ++i) { > > + err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), request, > > + requesttype, > > + value, > > + 0, > > + buf, > > + size, > > + msecs_to_jiffies(50)); > > + > > + if (err < 0) > > + msleep(20); > > + else > > + break; > > + } > > + > > + kfree(buf); > > + > > + if (err < 0) { > > + dev_err(&dev->dev, "sending command failure: %d\n", err); > > + return err; > > + } > > + > > + return 0; > > +} > > + > > +/* > > + * receive usb-to-can v2 command synchronously > > + */ > > +static int ixx_usbv2_rcv_cmd(struct usb_device *dev, > > + struct ixx_usbv2_dal_res *dal_res, int value) > > +{ > > + int err, res_size, i, size_to_read; > > + u8 request, requesttype; > > + u8 *buf; > > + > > + request = 0xff; > > + requesttype = USB_TYPE_VENDOR | USB_DIR_IN; > > + res_size = 0; > > + size_to_read = le32_to_cpu(dal_res->res_size); > > + > > + buf = kmalloc(size_to_read, GFP_KERNEL); > > + if(!buf) > > + return -ENOMEM; > > + > > + > > + for (i = 0; i < 10; ++i) { > > + err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), request, > > + requesttype, value, > > + 0, buf + (u8) res_size, > > + size_to_read - res_size, msecs_to_jiffies(50)); > > + > > + if (err < 0) { > > + msleep(20); > > + continue; > > + } > > + > > + res_size += err; > > + if (res_size < size_to_read) > > + msleep(20); > > + else > > + break; > > + } > > + > > + if (res_size != size_to_read) > > + err = -EBADMSG; > > + > > + if (err < 0) { > > + dev_err(&dev->dev, "receiving command failure: %d\n", err); > > + kfree(buf); > > + return err; > > + } > > + > > + memcpy((u8 *)dal_res, buf, size_to_read); > > + kfree(buf); > > + > > + return err; > > +} > > + > > +static int ixx_usbv2_init_ctrl(struct ixx_usb_device *dev, u8 mode, u8 btr0, > > + u8 btr1) > > +{ > > + int err = -ENODEV; > > + u8 data[IXXAT_USBV2_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbv2_ctrl_init_req *ctrl_init_req; > > + struct ixx_usbv2_ctrl_init_res *ctrl_init_res; > > + u32 req_size = sizeof(*ctrl_init_req); > > + > > + ctrl_init_req = (struct ixx_usbv2_ctrl_init_req *) data; > > + ctrl_init_res = (struct ixx_usbv2_ctrl_init_res *)(data + req_size); > > + > > + ctrl_init_req->dal_req.req_size = cpu_to_le32(req_size); > > + ctrl_init_req->dal_req.req_code = > > + cpu_to_le32(IXXAT_USBV2_CAN_INIT_CMD); > > + ctrl_init_req->dal_req.req_port = cpu_to_le16(dev->ctrl_idx); > > + ctrl_init_req->dal_req.req_socket = 0xffff; > > + ctrl_init_req->mode = mode; > > + ctrl_init_req->btr0 = btr0; > > + ctrl_init_req->btr1 = btr1; > > + > > + ctrl_init_res->dal_res.res_size = cpu_to_le32( > > + sizeof(*ctrl_init_res)); > > + ctrl_init_res->dal_res.ret_size = 0; > > + ctrl_init_res->dal_res.ret_code = 0xffffffff; > > + > > + err = ixx_usbv2_send_cmd(dev->udev, &ctrl_init_req->dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbv2_rcv_cmd(dev->udev, > > + &ctrl_init_res->dal_res, > > + dev->ctrl_idx); > > + if (err < 0) > > + return err; > > + > > + return le32_to_cpu(ctrl_init_res->dal_res.ret_code); > > +} > > + > > +static int ixx_usbv2_start_ctrl(struct ixx_usb_device *dev, u32 *time_ref) > > +{ > > + int err = -ENODEV; > > + u8 data[IXXAT_USBV2_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbv2_ctrl_start_req *ctrl_start_req; > > + struct ixx_usbv2_ctrl_start_res *ctrl_start_res; > > + u32 req_size = sizeof(*ctrl_start_req); > > + > > + ctrl_start_req = (struct ixx_usbv2_ctrl_start_req *) data; > > + ctrl_start_res = (struct ixx_usbv2_ctrl_start_res *)(data + req_size); > > + > > + ctrl_start_req->dal_req.req_size = cpu_to_le32(req_size); > > + ctrl_start_req->dal_req.req_code = > > + cpu_to_le32(IXXAT_USBV2_CAN_START_CMD); > > + ctrl_start_req->dal_req.req_port = cpu_to_le16(dev->ctrl_idx); > > + ctrl_start_req->dal_req.req_socket = 0xffff; > > + > > + ctrl_start_res->dal_res.res_size = cpu_to_le32( > > + sizeof(*ctrl_start_res)); > > + ctrl_start_res->dal_res.ret_size = 0; > > + ctrl_start_res->dal_res.ret_code = 0xffffffff; > > + ctrl_start_res->start_time = 0; > > + > > + err = ixx_usbv2_send_cmd(dev->udev, &ctrl_start_req->dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbv2_rcv_cmd(dev->udev, > > + &ctrl_start_res->dal_res, > > + dev->ctrl_idx); > > + if (err < 0) > > + return err; > > + > > + if (time_ref) > > + *time_ref = le32_to_cpu(ctrl_start_res->start_time); > > + > > + return le32_to_cpu(ctrl_start_res->dal_res.ret_code); > > +} > > + > > +static int ixx_usbv2_stop_ctrl(struct ixx_usb_device *dev) > > +{ > > + int err = -ENODEV; > > + u8 data[IXXAT_USBV2_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbv2_ctrl_stop_req *ctrl_stop_req; > > + struct ixx_usbv2_ctrl_stop_res *ctrl_stop_res; > > + u32 req_size = sizeof(struct ixx_usbv2_ctrl_stop_req); > > + > > + ctrl_stop_req = (struct ixx_usbv2_ctrl_stop_req *) data; > > + ctrl_stop_res = (struct ixx_usbv2_ctrl_stop_res *)(data + req_size); > > + > > + ctrl_stop_req->dal_req.req_size = cpu_to_le32(req_size); > > + ctrl_stop_req->dal_req.req_code = > > + cpu_to_le32(IXXAT_USBV2_CAN_STOP_CMD); > > + ctrl_stop_req->dal_req.req_port = cpu_to_le16(dev->ctrl_idx); > > + ctrl_stop_req->dal_req.req_socket = 0xffff; > > + ctrl_stop_req->action = cpu_to_le32(0x3); > > + > > + ctrl_stop_res->dal_res.res_size = > > + cpu_to_le32(sizeof(*ctrl_stop_res)); > > + ctrl_stop_res->dal_res.ret_size = 0; > > + ctrl_stop_res->dal_res.ret_code = 0xffffffff; > > + > > + err = ixx_usbv2_send_cmd(dev->udev, &ctrl_stop_req->dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbv2_rcv_cmd(dev->udev, > > + &ctrl_stop_res->dal_res, > > + dev->ctrl_idx); > > + if (err < 0) > > + return err; > > + > > + if (!le32_to_cpu(ctrl_stop_res->dal_res.ret_code)) > > + dev->can.state = CAN_STATE_STOPPED; > > + > > + return le32_to_cpu(ctrl_stop_res->dal_res.ret_code); > > +} > > + > > +static int ixx_usbv2_reset_ctrl(struct ixx_usb_device *dev) > > +{ > > + int err = -ENODEV; > > + u8 data[IXXAT_USBV2_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbv2_dal_req *dal_req; > > + struct ixx_usbv2_dal_res *dal_res; > > + u32 req_size = sizeof(*dal_req); > > + > > + dal_req = (struct ixx_usbv2_dal_req *) data; > > + dal_res = (struct ixx_usbv2_dal_res *)(data + req_size); > > + > > + dal_req->req_size = cpu_to_le32(req_size); > > + dal_req->req_code = cpu_to_le32(IXXAT_USBV2_CAN_RESET_CMD); > > + dal_req->req_port = cpu_to_le16(dev->ctrl_idx); > > + dal_req->req_socket = 0xffff; > > + > > + dal_res->res_size = cpu_to_le32(sizeof(*dal_res)); > > + dal_res->ret_size = 0; > > + dal_res->ret_code = 0xffffffff; > > + > > + err = ixx_usbv2_send_cmd(dev->udev, dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbv2_rcv_cmd(dev->udev, dal_res, > > + dev->ctrl_idx); > > + if (err < 0) > > + return err; > > + > > + return le32_to_cpu(dal_res->ret_code); > > +} > > + > > +static int ixx_usbv2_set_bittiming(struct ixx_usb_device *dev, > > + struct can_bittiming *bt) > > +{ > > + u8 btr0 = 0, btr1 = 0, can_opmode = 0; > > + > > + btr0 = ((bt->brp - 1) & 0x3f) | (((bt->sjw - 1) & 0x3) << 6); > > + btr1 = ((bt->prop_seg + bt->phase_seg1 - 1) & 0xf) > > + | (((bt->phase_seg2 - 1) & 0x7) << 4); > > + if (dev->can.ctrlmode & CAN_CTRLMODE_3_SAMPLES) > > + btr1 |= 0x80; > > + > > + can_opmode = IXXAT_USBV2_OPMODE_EXTENDED | IXXAT_USBV2_OPMODE_STANDARD; > > + > > + if (dev->can.ctrlmode & CAN_CTRLMODE_BERR_REPORTING) > > + can_opmode |= IXXAT_USBV2_OPMODE_ERRFRAME; > > + if (dev->can.ctrlmode & CAN_CTRLMODE_LISTENONLY) > > + can_opmode |= IXXAT_USBV2_OPMODE_LISTONLY; > > + > > + dev->btr0 = btr0; > > + dev->btr1 = btr1; > > + > > + netdev_dbg(dev->netdev, "setting btr0=0x%08x btr1=0x%08x mode=0x%08x\n", > > + btr0, btr1, can_opmode); > > + > > + return ixx_usbv2_init_ctrl(dev, can_opmode, btr0, btr1); > > +} > > + > > +/* > > + * handle restart but in asynchronously way > > + */ > > +static int ixx_usbv2_restart_task(void *user_data) > > +{ > > + u32 time_ref; > > + struct ixx_usb_device *dev = user_data; > > + > > + while (!kthread_should_stop()) { > > + if (!dev->must_quit) { > > + wait_event_interruptible(dev->wait_queue, > > + dev->restart_flag); > > + if (!dev->must_quit) { > > + ixx_usbv2_stop_ctrl(dev); > > + ixx_usbv2_start_ctrl(dev, &time_ref); > > + dev->restart_flag = 0; > > + dev->can.state = CAN_STATE_ERROR_ACTIVE; > > + } > > + } else > > + msleep(20); > > + } > > + return 0; > > +} > > + > > +static int ixx_usbv2_handle_canmsg(struct ixx_usb_device *dev, > > + struct ixx_can_msg *rx) > > +{ > > + struct net_device *netdev = dev->netdev; > > + struct can_frame *can_frame; > > + struct sk_buff *skb; > > + > > + skb = alloc_can_skb(netdev, &can_frame); > > + if (!skb) > > + return -ENOMEM; > > + > > + if (le32_to_cpu(rx->flags) & IXXAT_USBV2_MSG_FLAGS_OVR) { > > + netdev->stats.rx_over_errors++; > > + netdev->stats.rx_errors++; > > + } > > + > > + can_frame->can_id = le32_to_cpu(rx->msg_id); > > + can_frame->can_dlc = > > + (le32_to_cpu(rx->flags) & > > + IXXAT_USBV2_MSG_FLAGS_DLC) >> 16; > > + > > + if (le32_to_cpu(rx->flags) & IXXAT_USBV2_MSG_FLAGS_EXT) > > + can_frame->can_id |= CAN_EFF_FLAG; > > + > > + if (le32_to_cpu(rx->flags) & IXXAT_USBV2_MSG_FLAGS_RTR) > > + can_frame->can_id |= CAN_RTR_FLAG; > > + else > > + memcpy(can_frame->data, rx->data, can_frame->can_dlc); > > + > > + ixxat_usb_get_ts_tv(dev, le32_to_cpu(rx->time), &skb->tstamp); > > + > > + netif_rx(skb); > > + netdev->stats.rx_packets++; > > + netdev->stats.rx_bytes += can_frame->can_dlc; > > + > > + return 0; > > +} > > + > > +static int ixx_usbv2_handle_error(struct ixx_usb_device *dev, > > + struct ixx_can_msg *rx) > > +{ > > + struct net_device *netdev = dev->netdev; > > + struct can_frame *can_frame; > > + struct sk_buff *skb; > > + u8 raw_status = 0; > > + > > + /* nothing should be sent while in BUS_OFF state */ > > + if (dev->can.state == CAN_STATE_BUS_OFF) > > + return 0; > > + > > + raw_status = rx->data[0]; > > + > > + /* allocate an skb to store the error frame */ > > + skb = alloc_can_err_skb(netdev, &can_frame); > > + if (!skb) > > + return -ENOMEM; > > + > > + switch (raw_status) { > > + case IXXAT_USBV2_CAN_ERROR_ACK: > > + can_frame->can_id |= CAN_ERR_ACK; > > + netdev->stats.tx_errors++; > > + break; > > + case IXXAT_USBV2_CAN_ERROR_BIT: > > + can_frame->can_id |= CAN_ERR_PROT; > > + can_frame->data[2] |= CAN_ERR_PROT_BIT; > > + netdev->stats.rx_errors++; > > + break; > > + case IXXAT_USBV2_CAN_ERROR_CRC: > > + can_frame->can_id |= CAN_ERR_PROT; > > + can_frame->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ; > > + netdev->stats.rx_errors++; > > + break; > > + case IXXAT_USBV2_CAN_ERROR_FORM: > > + can_frame->can_id |= CAN_ERR_PROT; > > + can_frame->data[2] |= CAN_ERR_PROT_FORM; > > + netdev->stats.rx_errors++; > > + break; > > + case IXXAT_USBV2_CAN_ERROR_STUFF: > > + can_frame->can_id |= CAN_ERR_PROT; > > + can_frame->data[2] |= CAN_ERR_PROT_STUFF; > > + netdev->stats.rx_errors++; > > + break; > > + case IXXAT_USBV2_CAN_ERROR_OTHER: > > + can_frame->can_id |= CAN_ERR_PROT; > > + can_frame->data[2] |= CAN_ERR_PROT_UNSPEC; > > + netdev->stats.rx_errors++; > > + break; > > + default: > > + can_frame->can_id |= CAN_ERR_PROT; > > + netdev->stats.rx_errors++; > > + } > > + > > + netif_rx(skb); > > + netdev->stats.rx_packets++; > > + netdev->stats.rx_bytes += can_frame->can_dlc; > > + > > + dev->bec.txerr = le16_to_cpu(rx->data[1]); > > + dev->bec.rxerr = le16_to_cpu(rx->data[3]); > > + > > + return 0; > > +} > > + > > +static int ixx_usbv2_handle_status(struct ixx_usb_device *dev, > > + struct ixx_can_msg *rx) > > +{ > > + struct net_device *netdev = dev->netdev; > > + struct can_frame *can_frame; > > + struct sk_buff *skb; > > + u8 raw_status = 0; > > + u32 new_state = 0; > > + > > + raw_status = rx->data[0]; > > + > > + /* nothing should be sent while in BUS_OFF state */ > > + if (dev->can.state == CAN_STATE_BUS_OFF) > > + return 0; > > + > > + if (!raw_status) { > > + /* no error bit (back to active state) */ > > + dev->can.state = CAN_STATE_ERROR_ACTIVE; > > + > > + dev->bec.txerr = 0; > > + dev->bec.rxerr = 0; > > + return 0; > > + } > > + > > + /* allocate an skb to store the error frame */ > > + skb = alloc_can_err_skb(netdev, &can_frame); > > + if (!skb) > > + return -ENOMEM; > > + > > + if (raw_status & IXXAT_USBV2_CAN_STATUS_BUSOFF) { > > + can_frame->can_id |= CAN_ERR_BUSOFF; > > + new_state = CAN_STATE_BUS_OFF; > > + dev->can.can_stats.bus_off++; > > + can_bus_off(netdev); > > + } else { > > + if (raw_status & IXXAT_USBV2_CAN_STATUS_ERRLIM) { > > + can_frame->can_id |= CAN_ERR_CRTL; > > + can_frame->data[1] |= CAN_ERR_CRTL_TX_WARNING; > > + can_frame->data[1] |= CAN_ERR_CRTL_RX_WARNING; > > + dev->can.can_stats.error_warning++; > > + new_state = CAN_STATE_ERROR_WARNING; > > + } > > + > > + if (raw_status & IXXAT_USBV2_CAN_STATUS_OVRRUN) { > > + can_frame->can_id |= CAN_ERR_PROT; > > + can_frame->data[2] |= CAN_ERR_PROT_OVERLOAD; > > + netdev->stats.rx_over_errors++; > > + netdev->stats.rx_errors++; > > + } > > + > > + if (!new_state) { > > + new_state = CAN_STATE_ERROR_ACTIVE; > > + > > + dev->bec.txerr = 0; > > + dev->bec.rxerr = 0; > > + } > > + } > > + > > + dev->can.state = new_state; > > + > > + netif_rx(skb); > > + netdev->stats.rx_packets++; > > + netdev->stats.rx_bytes += can_frame->can_dlc; > > + > > + return 0; > > +} > > + > > +/* > > + * callback for bulk IN urb > > + */ > > +static int ixx_usbv2_decode_buf(struct ixx_usb_device *dev, struct urb *urb) > > +{ > > + struct net_device *netdev = dev->netdev; > > + struct ixx_can_msg *can_msg; > > + u32 msg_end; > > + int err = 0; > > + u32 read_size = 0; > > + u8 msg_type; > > + u8 *data; > > + > > + data = urb->transfer_buffer; > > + > > + /* loop reading all the records from the incoming message */ > > + msg_end = urb->actual_length; > > + for (; msg_end > 0;) { > > + can_msg = (struct ixx_can_msg *) &data[read_size]; > > + > > + if (!can_msg || !can_msg->size) { > > + netdev_err(netdev, "got unsupported rec in usb msg:\n"); > > + err = -ENOTSUPP; > > + break; > > + } > > + > > + /* check if the record goes out of current packet */ > > + if ((read_size + can_msg->size + 1) > urb->actual_length) { > > + netdev_err(netdev, > > + "got frag rec: should inc usb rx buf size\n"); > > + err = -EBADMSG; > > + break; > > + } > > + > > + msg_type = > > + (le32_to_cpu(can_msg->flags) & > > + IXXAT_USBV2_MSG_FLAGS_TYPE); > > + > > + switch (msg_type) { > > + > > + case IXXAT_USBV2_CAN_DATA: > > + err = ixx_usbv2_handle_canmsg(dev, can_msg); > > + if (err < 0) > > + goto fail; > > + break; > > + > > + case IXXAT_USBV2_CAN_STATUS: > > + err = ixx_usbv2_handle_status(dev, can_msg); > > + if (err < 0) > > + goto fail; > > + break; > > + > > + case IXXAT_USBV2_CAN_ERROR: > > + err = ixx_usbv2_handle_error(dev, can_msg); > > + if (err < 0) > > + goto fail; > > + break; > > + > > + case IXXAT_USBV2_CAN_TIMEOVR: > > + ixxat_usb_get_ts_tv(dev, can_msg->time, NULL); > > + break; > > + > > + case IXXAT_USBV2_CAN_INFO: > > + case IXXAT_USBV2_CAN_WAKEUP: > > + case IXXAT_USBV2_CAN_TIMERST: > > + break; > > + > > + default: > > + netdev_err(netdev, > > + "unhandled rec type 0x%02x (%d): ignored\n", > > + msg_type, msg_type); > > + break; > > + } > > + > > + read_size += can_msg->size + 1; > > + msg_end -= (can_msg->size + 1); > > + } > > + > > +fail: > > + if (err) > > + ixxat_dump_mem("received msg", urb->transfer_buffer, > > + urb->actual_length); > > + > > + return err; > > +} > > + > > +static int ixx_usbv2_encode_msg(struct ixx_usb_device *dev, struct sk_buff *skb, > > + u8 *obuf, size_t *size) > > +{ > > + struct can_frame *cf = (struct can_frame *) skb->data; > > + struct ixx_can_msg can_msg = { 0 }; > > + > > + if (cf->can_id & CAN_RTR_FLAG) > > + can_msg.flags |= IXXAT_USBV2_MSG_FLAGS_RTR; > > + > > + if (cf->can_id & CAN_EFF_FLAG) { > > + can_msg.flags |= IXXAT_USBV2_MSG_FLAGS_EXT; > > + can_msg.msg_id = cf->can_id & CAN_EFF_MASK; > > + } else { > > + can_msg.msg_id = cf->can_id & CAN_SFF_MASK; > > + } > > + > > + if (dev->can.ctrlmode & CAN_CTRLMODE_ONE_SHOT) > > + can_msg.flags |= IXXAT_USBV2_MSG_FLAGS_SSM; > > + > > + can_msg.flags |= (cf->can_dlc << 16) & IXXAT_USBV2_MSG_FLAGS_DLC; > > + > > + can_msg.flags = cpu_to_le32(can_msg.flags); > > + can_msg.msg_id = cpu_to_le32(can_msg.msg_id); > > + > > + memcpy(can_msg.data, cf->data, cf->can_dlc); > > + can_msg.size = (u8)(sizeof(can_msg) - 1 - CAN_MAX_DLEN + cf->can_dlc); > > + > > + memcpy(obuf, &can_msg, can_msg.size + 1); > > + > > + *size = can_msg.size + 1; > > + > > + skb->data_len = *size; > > + > > + return 0; > > +} > > + > > +static int ixx_usbv2_start(struct ixx_usb_device *dev) > > +{ > > + int err; > > + u32 time_ref = 0; > > + u8 can_opmode = IXXAT_USBV2_OPMODE_EXTENDED > > + | IXXAT_USBV2_OPMODE_STANDARD; > > + > > + if (dev->can.ctrlmode & CAN_CTRLMODE_BERR_REPORTING) > > + can_opmode |= IXXAT_USBV2_OPMODE_ERRFRAME; > > + if (dev->can.ctrlmode & CAN_CTRLMODE_LISTENONLY) > > + can_opmode |= IXXAT_USBV2_OPMODE_LISTONLY; > > + > > + err = ixx_usbv2_init_ctrl(dev, can_opmode, dev->btr0, dev->btr1); > > + if (err) > > + return err; > > + > > + /* opening first device: */ > > + if (dev->ctrl_opened_count == 0) { > > + err = ixx_usbv2_start_ctrl(dev, &time_ref); > > + if (err) > > + return err; > > + > > + ixxat_usb_set_ts_now(dev, time_ref); > > + } > > + > > + dev->ctrl_opened_count++; > > + > > + dev->bec.txerr = 0; > > + dev->bec.rxerr = 0; > > + > > + return err; > > +} > > + > > +/* > > + * stop interface > > + * (last chance before set bus off) > > + */ > > +static int ixx_usbv2_stop(struct ixx_usb_device *dev) > > +{ > > + int err; > > + > > + if (dev->ctrl_opened_count == 1) { > > + err = ixx_usbv2_stop_ctrl(dev); > > + if (err) > > + return err; > > + } > > + > > + /* turn off ts msgs for that interface if no other dev opened */ > > +// if (pdev->usb_if->dev_opened_count == 1) > > +// ixx_usbv2_set_ts(dev, 0); > > + dev->ctrl_opened_count--; > > + > > + return 0; > > +} > > + > > +/* > > + * called when probing to initialize a device object. > > + */ > > +static int ixx_usbv2_init(struct ixx_usb_device *dev) > > +{ > > + dev->restart_task = kthread_run(&ixx_usbv2_restart_task, dev, > > + "restart_thread"); > > + if (!dev->restart_task) > > + return -ENOBUFS; > > + > > + return 0; > > +} > > + > > +static void ixx_usbv2_exit(struct ixx_usb_device *dev) > > +{ > > + ixx_usbv2_reset_ctrl(dev); > > + > > + dev->must_quit = 1; > > + dev->restart_flag = 1; > > + wake_up_interruptible(&dev->wait_queue); > > + if (dev->restart_task) > > + kthread_stop(dev->restart_task); > > +} > > + > > +/* > > + * probe function for new IXXAT USB-to-CAN V2 interface > > + */ > > +static int ixx_usbv2_probe(struct usb_interface *intf) > > +{ > > + struct usb_host_interface *if_desc; > > + int i; > > + > > + if_desc = intf->altsetting; > > + > > + /* check interface endpoint addresses */ > > + for (i = 0; i < if_desc->desc.bNumEndpoints; i++) { > > + struct usb_endpoint_descriptor *ep = &if_desc->endpoint[i].desc; > > + > > + /* > > + * below is the list of valid ep addreses. Any other ep address > > + * is considered as not-CAN interface address => no dev created > > + */ > > + switch (ep->bEndpointAddress) { > > + case IXXAT_USBV2_EP_MSGOUT_0: > > + case IXXAT_USBV2_EP_MSGOUT_1: > > + case IXXAT_USBV2_EP_MSGOUT_2: > > + case IXXAT_USBV2_EP_MSGOUT_3: > > + case IXXAT_USBV2_EP_MSGOUT_4: > > + case IXXAT_USBV2_EP_MSGIN_0: > > + case IXXAT_USBV2_EP_MSGIN_1: > > + case IXXAT_USBV2_EP_MSGIN_2: > > + case IXXAT_USBV2_EP_MSGIN_3: > > + case IXXAT_USBV2_EP_MSGIN_4: > > + > > + break; > > + default: > > + return -ENODEV; > > + } > > + } > > + > > + return 0; > > +} > > + > > +static int ixx_usbv2_get_dev_caps(struct usb_device *dev, > > + struct ixx_dev_caps *dev_caps) > > +{ > > + int err = -ENODEV, i; > > + u8 data[IXXAT_USBV2_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbv2_dev_caps_req *dev_caps_req; > > + struct ixx_usbv2_dev_caps_res *dev_caps_res; > > + u32 req_size = sizeof(*dev_caps_req); > > + > > + dev_caps_req = (struct ixx_usbv2_dev_caps_req *) data; > > + dev_caps_res = (struct ixx_usbv2_dev_caps_res *)(data + req_size); > > + > > + dev_caps_req->dal_req.req_size = cpu_to_le32(req_size); > > + dev_caps_req->dal_req.req_code = > > + cpu_to_le32(IXXAT_USBV2_BRD_GET_DEVCAPS_CMD); > > + dev_caps_req->dal_req.req_port = 0xffff; > > + dev_caps_req->dal_req.req_socket = 0xffff; > > + > > + dev_caps_res->dal_res.res_size = > > + cpu_to_le32(sizeof(*dev_caps_res)); > > + dev_caps_res->dal_res.ret_size = 0; > > + dev_caps_res->dal_res.ret_code = 0xffffffff; > > + > > + err = ixx_usbv2_send_cmd(dev, &dev_caps_req->dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbv2_rcv_cmd(dev, &dev_caps_res->dal_res, > > + 0xffff); > > + if (err < 0) > > + return err; > > + > > + dev_caps->bus_ctrl_count = > > + le16_to_cpu(dev_caps_res->dev_caps.bus_ctrl_count); > > + for (i = 0; i < dev_caps->bus_ctrl_count; ++i) > > + dev_caps->bus_ctrl_types[i] = > > + le16_to_cpu(dev_caps_res->dev_caps.bus_ctrl_types[i]); > > + > > + return 0; > > +} > > + > > +static int ixx_usbv2_get_ctrl_caps(struct usb_device *dev, > > + struct ixx_ctrl_caps *ctrl_caps, int index) > > +{ > > + int err = -ENODEV; > > + u8 data[IXXAT_USBV2_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbv2_ctrl_caps_req *ctrl_caps_req; > > + struct ixx_usbv2_ctrl_caps_res *ctrl_caps_res; > > + u32 req_size = sizeof(*ctrl_caps_req); > > + > > + ctrl_caps_req = (struct ixx_usbv2_ctrl_caps_req *) data; > > + ctrl_caps_res = (struct ixx_usbv2_ctrl_caps_res *)(data + req_size); > > + > > + ctrl_caps_req->dal_req.req_size = cpu_to_le32(req_size); > > + ctrl_caps_req->dal_req.req_code = > > + cpu_to_le32(IXXAT_USBV2_CAN_GET_CAPS_CMD); > > + ctrl_caps_req->dal_req.req_port = cpu_to_le16(index); > > + ctrl_caps_req->dal_req.req_socket = 0xffff; > > + > > + ctrl_caps_res->dal_res.res_size = > > + cpu_to_le32(sizeof(*ctrl_caps_res)); > > + ctrl_caps_res->dal_res.ret_size = 0; > > + ctrl_caps_res->dal_res.ret_code = 0xffffffff; > > + > > + err = ixx_usbv2_send_cmd(dev, &ctrl_caps_req->dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbv2_rcv_cmd(dev, &ctrl_caps_res->dal_res, > > + index); > > + if (err < 0) > > + return err; > > + > > + ctrl_caps->bus_coupling = le16_to_cpu( > > + ctrl_caps_res->ctrl_caps.bus_coupling); > > + ctrl_caps->clock_freq = > > + le32_to_cpu(ctrl_caps_res->ctrl_caps.clock_freq); > > + ctrl_caps->cms_divisor = le32_to_cpu( > > + ctrl_caps_res->ctrl_caps.cms_divisor); > > + ctrl_caps->cms_max_ticks = le32_to_cpu( > > + ctrl_caps_res->ctrl_caps.cms_max_ticks); > > + ctrl_caps->ctrl_type = le16_to_cpu(ctrl_caps_res->ctrl_caps.ctrl_type); > > + ctrl_caps->dtx_divisor = le32_to_cpu( > > + ctrl_caps_res->ctrl_caps.dtx_divisor); > > + ctrl_caps->dtx_max_ticks = le32_to_cpu( > > + ctrl_caps_res->ctrl_caps.dtx_max_ticks); > > + ctrl_caps->features = le32_to_cpu(ctrl_caps_res->ctrl_caps.features); > > + ctrl_caps->tsc_divisor = le32_to_cpu( > > + ctrl_caps_res->ctrl_caps.tsc_divisor); > > + > > + return 0; > > +} > > + > > +static int ixx_usbv2_get_fwinfo(struct ixx_usb_device *dev, > > + struct ixx_intf_fw_info *fwinfo) > > +{ > > + int err = -ENODEV; > > + u8 data[IXXAT_USBV2_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbv2_brd_get_fwinfo_req *fw_info_req; > > + struct ixx_usbv2_brd_get_fwinfo_res *fw_info_res; > > + u32 req_size = sizeof(*fw_info_req); > > + > > + fw_info_req = (struct ixx_usbv2_brd_get_fwinfo_req *) data; > > + fw_info_res = (struct ixx_usbv2_brd_get_fwinfo_res *)(data + req_size); > > + > > + fw_info_req->dal_req.req_size = cpu_to_le32(req_size); > > + fw_info_req->dal_req.req_code = > > + cpu_to_le32(IXXAT_USBV2_BRD_GET_FWINFO_CMD); > > + fw_info_req->dal_req.req_port = 0xffff; > > + fw_info_req->dal_req.req_socket = 0xffff; > > + > > + fw_info_res->dal_res.res_size = > > + cpu_to_le32(sizeof(*fw_info_res)); > > + fw_info_res->dal_res.ret_size = 0; > > + fw_info_res->dal_res.ret_code = 0xffffffff; > > + > > + err = ixx_usbv2_send_cmd(dev->udev, &fw_info_req->dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbv2_rcv_cmd(dev->udev, > > + &fw_info_res->dal_res, 0xffff); > > + if (err < 0) > > + return err; > > + > > + if (fwinfo) { > > + fwinfo->build_version = > > + le16_to_cpu(fw_info_res->fwinfo.build_version); > > + fwinfo->firmware_type = > > + le32_to_cpu(fw_info_res->fwinfo.firmware_type); > > + fwinfo->major_version = > > + le16_to_cpu(fw_info_res->fwinfo.major_version); > > + fwinfo->minor_version = > > + le16_to_cpu(fw_info_res->fwinfo.minor_version); > > + fwinfo->reserved = > > + le16_to_cpu(fw_info_res->fwinfo.reserved); > > + } > > + > > + return le32_to_cpu(fw_info_res->dal_res.ret_code); > > +} > > + > > +static int ixx_usbv2_get_dev_info(struct ixx_usb_device *dev, > > + struct ixx_intf_info *dev_info) > > +{ > > + int err = -ENODEV; > > + u8 data[IXXAT_USBV2_CMD_BUFFER_SIZE] = { 0 }; > > + struct ixx_usbv2_brd_get_intf_info_req *dev_info_req; > > + struct ixx_usbv2_brd_get_intf_info_res *dev_info_res; > > + u32 req_size = sizeof(*dev_info_req); > > + > > + dev_info_req = (struct ixx_usbv2_brd_get_intf_info_req *) data; > > + dev_info_res = > > + (struct ixx_usbv2_brd_get_intf_info_res *)(data + req_size); > > + > > + dev_info_req->dal_req.req_size = cpu_to_le32(req_size); > > + dev_info_req->dal_req.req_code = > > + cpu_to_le32(IXXAT_USBV2_BRD_GET_DEVINFO_CMD); > > + dev_info_req->dal_req.req_port = 0xffff; > > + dev_info_req->dal_req.req_socket = 0xffff; > > + > > + dev_info_res->dal_res.res_size = > > + cpu_to_le32(sizeof(*dev_info_res)); > > + dev_info_res->dal_res.ret_size = 0; > > + dev_info_res->dal_res.ret_code = 0xffffffff; > > + > > + err = ixx_usbv2_send_cmd(dev->udev, &dev_info_req->dal_req); > > + if (err < 0) > > + return err; > > + > > + err = ixx_usbv2_rcv_cmd(dev->udev, > > + &dev_info_res->dal_res, 0xffff); > > + if (err < 0) > > + return err; > > + > > + if (dev_info) { > > + memcpy(dev_info->device_id, &dev_info_res->info.device_id, > > + sizeof(dev_info_res->info.device_id)); > > + memcpy(dev_info->device_name, &dev_info_res->info.device_name, > > + sizeof(dev_info_res->info.device_name)); > > + dev_info->device_fpga_version = > > + le16_to_cpu(dev_info_res->info.device_fpga_version); > > + dev_info->device_version = > > + le32_to_cpu(dev_info_res->info.device_version); > > + } > > + > > + return le32_to_cpu(dev_info_res->dal_res.ret_code); > > +} > > + > > +/* > > + * describe the describes the USB-to-CAN V2 compact adapter > > + */ > > +struct ixx_usb_adapter usb_to_can_v2_compact = { > > + .name = "USB-to-CAN V2 compact", > > + .device_id = USB_TO_CAN_V2_COMPACT_PRODUCT_ID, > > + .clock = { > > + .freq = SJA1000_CRYSTAL_HZ, > > + }, > > + .bittiming_const = { > > + .name = "ixxat_usb", > > + .tseg1_min = 1, > > + .tseg1_max = 16, > > + .tseg2_min = 1, > > + .tseg2_max = 8, > > + .sjw_max = 4, > > + .brp_min = 1, > > + .brp_max = 64, > > + .brp_inc = 1, > > + }, > > + > > + .ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES | > > + CAN_CTRLMODE_BERR_REPORTING | > > + CAN_CTRLMODE_LOOPBACK | > > + CAN_CTRLMODE_LISTENONLY, > > + > > + /* size of device private data */ > > + .sizeof_dev_private = sizeof(struct ixx_usb_device), > > + > > + /* give here messages in/out endpoints */ > > + .ep_msg_in = { IXXAT_USBV2_EP_MSGIN_0, IXXAT_USBV2_EP_MSGIN_1, > > + IXXAT_USBV2_EP_MSGIN_2, IXXAT_USBV2_EP_MSGIN_3, > > + IXXAT_USBV2_EP_MSGIN_4 }, > > + .ep_msg_out = { IXXAT_USBV2_EP_MSGOUT_0, IXXAT_USBV2_EP_MSGOUT_1, > > + IXXAT_USBV2_EP_MSGOUT_2, IXXAT_USBV2_EP_MSGOUT_3, > > + IXXAT_USBV2_EP_MSGOUT_4 }, > > + > > + /* size of rx/tx usb buffers */ > > + .rx_buffer_size = IXXAT_USBV2_RX_BUFFER_SIZE, > > + .tx_buffer_size = IXXAT_USBV2_TX_BUFFER_SIZE, > > + > > + /* device callbacks */ > > + .intf_probe = ixx_usbv2_probe, > > + .dev_get_dev_caps = ixx_usbv2_get_dev_caps, > > + .dev_get_ctrl_caps = ixx_usbv2_get_ctrl_caps, > > + .dev_init = ixx_usbv2_init, > > + .dev_exit = ixx_usbv2_exit, > > + .dev_set_bittiming = ixx_usbv2_set_bittiming, > > + .intf_get_info = ixx_usbv2_get_dev_info, > > + .intf_get_fw_info = ixx_usbv2_get_fwinfo, > > + .dev_decode_buf = ixx_usbv2_decode_buf, > > + .dev_encode_msg = ixx_usbv2_encode_msg, > > + .dev_start = ixx_usbv2_start, > > + .dev_stop = ixx_usbv2_stop, > > +}; > > + > > +/* > > + * describes the USB-to-CAN V2 automotive adapter > > + */ > > +struct ixx_usb_adapter usb_to_can_v2_automotive = { > > + .name = "USB-to-CAN V2 automotive", > > + .device_id = USB_TO_CAN_V2_AUTOMOTIVE_PRODUCT_ID, > > + .clock = { > > + .freq = SJA1000_CRYSTAL_HZ, > > + }, > > + .bittiming_const = { > > + .name = "ixxat_usb", > > + .tseg1_min = 1, > > + .tseg1_max = 16, > > + .tseg2_min = 1, > > + .tseg2_max = 8, > > + .sjw_max = 4, > > + .brp_min = 1, > > + .brp_max = 64, > > + .brp_inc = 1, > > + }, > > + > > + .ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES | > > + CAN_CTRLMODE_BERR_REPORTING | > > + CAN_CTRLMODE_LOOPBACK | > > + CAN_CTRLMODE_LISTENONLY, > > + > > + /* size of device private data */ > > + .sizeof_dev_private = sizeof(struct ixx_usb_device), > > + > > + /* give here messages in/out endpoints */ > > + .ep_msg_in = { IXXAT_USBV2_EP_MSGIN_0, IXXAT_USBV2_EP_MSGIN_1, > > + IXXAT_USBV2_EP_MSGIN_2, IXXAT_USBV2_EP_MSGIN_3, > > + IXXAT_USBV2_EP_MSGIN_4 }, > > + .ep_msg_out = { IXXAT_USBV2_EP_MSGOUT_0, IXXAT_USBV2_EP_MSGOUT_1, > > + IXXAT_USBV2_EP_MSGOUT_2, IXXAT_USBV2_EP_MSGOUT_3, > > + IXXAT_USBV2_EP_MSGOUT_4 }, > > + > > + /* size of rx/tx usb buffers */ > > + .rx_buffer_size = IXXAT_USBV2_RX_BUFFER_SIZE, > > + .tx_buffer_size = IXXAT_USBV2_TX_BUFFER_SIZE, > > + > > + /* device callbacks */ > > + .intf_probe = ixx_usbv2_probe, > > + .dev_get_dev_caps = ixx_usbv2_get_dev_caps, > > + .dev_get_ctrl_caps = ixx_usbv2_get_ctrl_caps, > > + .dev_init = ixx_usbv2_init, > > + .dev_exit = ixx_usbv2_exit, > > + .dev_set_bittiming = ixx_usbv2_set_bittiming, > > + .intf_get_info = ixx_usbv2_get_dev_info, > > + .intf_get_fw_info = ixx_usbv2_get_fwinfo, > > + .dev_decode_buf = ixx_usbv2_decode_buf, > > + .dev_encode_msg = ixx_usbv2_encode_msg, > > + .dev_start = ixx_usbv2_start, > > + .dev_stop = ixx_usbv2_stop, > > +}; > > + > > +/* > > + * describes the USB-to-CAN V2 embedded adapter > > + */ > > +struct ixx_usb_adapter usb_to_can_v2_embedded = { > > + .name = "USB-to-CAN V2 embedded", > > + .device_id = USB_TO_CAN_V2_EMBEDDED_PRODUCT_ID, > > + .clock = { > > + .freq = SJA1000_CRYSTAL_HZ, > > + }, > > + .bittiming_const = { > > + .name = "ixxat_usb", > > + .tseg1_min = 1, > > + .tseg1_max = 16, > > + .tseg2_min = 1, > > + .tseg2_max = 8, > > + .sjw_max = 4, > > + .brp_min = 1, > > + .brp_max = 64, > > + .brp_inc = 1, > > + }, > > + > > + .ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES | > > + CAN_CTRLMODE_BERR_REPORTING | > > + CAN_CTRLMODE_LOOPBACK | > > + CAN_CTRLMODE_LISTENONLY, > > + > > + /* size of device private data */ > > + .sizeof_dev_private = sizeof(struct ixx_usb_device), > > + > > + /* give here messages in/out endpoints */ > > + .ep_msg_in = { IXXAT_USBV2_EP_MSGIN_0, IXXAT_USBV2_EP_MSGIN_1, > > + IXXAT_USBV2_EP_MSGIN_2, IXXAT_USBV2_EP_MSGIN_3, > > + IXXAT_USBV2_EP_MSGIN_4 }, > > + .ep_msg_out = { IXXAT_USBV2_EP_MSGOUT_0, IXXAT_USBV2_EP_MSGOUT_1, > > + IXXAT_USBV2_EP_MSGOUT_2, IXXAT_USBV2_EP_MSGOUT_3, > > + IXXAT_USBV2_EP_MSGOUT_4 }, > > + > > + /* size of rx/tx usb buffers */ > > + .rx_buffer_size = IXXAT_USBV2_RX_BUFFER_SIZE, > > + .tx_buffer_size = IXXAT_USBV2_TX_BUFFER_SIZE, > > + > > + /* device callbacks */ > > + .intf_probe = ixx_usbv2_probe, > > + .dev_get_dev_caps = ixx_usbv2_get_dev_caps, > > + .dev_get_ctrl_caps = ixx_usbv2_get_ctrl_caps, > > + .dev_init = ixx_usbv2_init, > > + .dev_exit = ixx_usbv2_exit, > > + .dev_set_bittiming = ixx_usbv2_set_bittiming, > > + .intf_get_info = ixx_usbv2_get_dev_info, > > + .intf_get_fw_info = ixx_usbv2_get_fwinfo, > > + .dev_decode_buf = ixx_usbv2_decode_buf, > > + .dev_encode_msg = ixx_usbv2_encode_msg, > > + .dev_start = ixx_usbv2_start, > > + .dev_stop = ixx_usbv2_stop, > > +}; > > + > > +/* > > + * describes the USB-to-CAN V2 professional adapter > > + */ > > +struct ixx_usb_adapter usb_to_can_v2_professional = { > > + .name = "USB-to-CAN V2 professional", > > + .device_id = USB_TO_CAN_V2_PROFESSIONAL_PRODUCT_ID, > > + .clock = { > > + .freq = SJA1000_CRYSTAL_HZ, > > + }, > > + .bittiming_const = { > > + .name = "ixxat_usb", > > + .tseg1_min = 1, > > + .tseg1_max = 16, > > + .tseg2_min = 1, > > + .tseg2_max = 8, > > + .sjw_max = 4, > > + .brp_min = 1, > > + .brp_max = 64, > > + .brp_inc = 1, > > + }, > > + > > + .ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES | > > + CAN_CTRLMODE_BERR_REPORTING | > > + CAN_CTRLMODE_LOOPBACK | > > + CAN_CTRLMODE_LISTENONLY, > > + > > + /* size of device private data */ > > + .sizeof_dev_private = sizeof(struct ixx_usb_device), > > + > > + /* give here messages in/out endpoints */ > > + .ep_msg_in = { IXXAT_USBV2_EP_MSGIN_0, IXXAT_USBV2_EP_MSGIN_1, > > + IXXAT_USBV2_EP_MSGIN_2, IXXAT_USBV2_EP_MSGIN_3, > > + IXXAT_USBV2_EP_MSGIN_4 }, > > + .ep_msg_out = { IXXAT_USBV2_EP_MSGOUT_0, IXXAT_USBV2_EP_MSGOUT_1, > > + IXXAT_USBV2_EP_MSGOUT_2, IXXAT_USBV2_EP_MSGOUT_3, > > + IXXAT_USBV2_EP_MSGOUT_4 }, > > + > > + /* size of rx/tx usb buffers */ > > + .rx_buffer_size = IXXAT_USBV2_RX_BUFFER_SIZE, > > + .tx_buffer_size = IXXAT_USBV2_TX_BUFFER_SIZE, > > + > > + /* device callbacks */ > > + .intf_probe = ixx_usbv2_probe, > > + .dev_get_dev_caps = ixx_usbv2_get_dev_caps, > > + .dev_get_ctrl_caps = ixx_usbv2_get_ctrl_caps, > > + .dev_init = ixx_usbv2_init, > > + .dev_exit = ixx_usbv2_exit, > > + .dev_set_bittiming = ixx_usbv2_set_bittiming, > > + .intf_get_info = ixx_usbv2_get_dev_info, > > + .intf_get_fw_info = ixx_usbv2_get_fwinfo, > > + .dev_decode_buf = ixx_usbv2_decode_buf, > > + .dev_encode_msg = ixx_usbv2_encode_msg, > > + .dev_start = ixx_usbv2_start, > > + .dev_stop = ixx_usbv2_stop, > > +}; > > + > > +/* > > + * describes the USB-to-CAN V2 low speed adapter > > + */ > > +struct ixx_usb_adapter usb_to_can_v2_low_speed = { > > + .name = "USB-to-CAN V2 low speed", > > + .device_id = USB_TO_CAN_V2_LOW_SPEED_PRODUCT_ID, > > + .clock = { > > + .freq = SJA1000_CRYSTAL_HZ, > > + }, > > + .bittiming_const = { > > + .name = "ixxat_usb", > > + .tseg1_min = 1, > > + .tseg1_max = 16, > > + .tseg2_min = 1, > > + .tseg2_max = 8, > > + .sjw_max = 4, > > + .brp_min = 1, > > + .brp_max = 64, > > + .brp_inc = 1, > > + }, > > + > > + .ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES | > > + CAN_CTRLMODE_BERR_REPORTING | > > + CAN_CTRLMODE_LOOPBACK | > > + CAN_CTRLMODE_LISTENONLY, > > + > > + /* size of device private data */ > > + .sizeof_dev_private = sizeof(struct ixx_usb_device), > > + > > + /* give here messages in/out endpoints */ > > + .ep_msg_in = { IXXAT_USBV2_EP_MSGIN_0, IXXAT_USBV2_EP_MSGIN_1, > > + IXXAT_USBV2_EP_MSGIN_2, IXXAT_USBV2_EP_MSGIN_3, > > + IXXAT_USBV2_EP_MSGIN_4 }, > > + .ep_msg_out = { IXXAT_USBV2_EP_MSGOUT_0, IXXAT_USBV2_EP_MSGOUT_1, > > + IXXAT_USBV2_EP_MSGOUT_2, IXXAT_USBV2_EP_MSGOUT_3, > > + IXXAT_USBV2_EP_MSGOUT_4 }, > > + > > + /* size of rx/tx usb buffers */ > > + .rx_buffer_size = IXXAT_USBV2_RX_BUFFER_SIZE, > > + .tx_buffer_size = IXXAT_USBV2_TX_BUFFER_SIZE, > > + > > + /* device callbacks */ > > + .intf_probe = ixx_usbv2_probe, > > + .dev_get_dev_caps = ixx_usbv2_get_dev_caps, > > + .dev_get_ctrl_caps = ixx_usbv2_get_ctrl_caps, > > + .dev_init = ixx_usbv2_init, > > + .dev_exit = ixx_usbv2_exit, > > + .dev_set_bittiming = ixx_usbv2_set_bittiming, > > + .intf_get_info = ixx_usbv2_get_dev_info, > > + .intf_get_fw_info = ixx_usbv2_get_fwinfo, > > + .dev_decode_buf = ixx_usbv2_decode_buf, > > + .dev_encode_msg = ixx_usbv2_encode_msg, > > + .dev_start = ixx_usbv2_start, > > + .dev_stop = ixx_usbv2_stop, > > +}; > > + > > +/* > > + * describes the USB-to-CAN V2 extended adapter > > + */ > > +struct ixx_usb_adapter usb_to_can_v2_extended = { > > + .name = "USB-to-CAN V2 extended", > > + .device_id = USB_TO_CAN_V2_EXTENDED_PRODUCT_ID, > > + .clock = { > > + .freq = SJA1000_CRYSTAL_HZ, > > + }, > > + .bittiming_const = { > > + .name = "ixxat_usb", > > + .tseg1_min = 1, > > + .tseg1_max = 16, > > + .tseg2_min = 1, > > + .tseg2_max = 8, > > + .sjw_max = 4, > > + .brp_min = 1, > > + .brp_max = 64, > > + .brp_inc = 1, > > + }, > > + > > + .ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES | > > + CAN_CTRLMODE_BERR_REPORTING | > > + CAN_CTRLMODE_LOOPBACK | > > + CAN_CTRLMODE_LISTENONLY, > > + > > + /* size of device private data */ > > + .sizeof_dev_private = sizeof(struct ixx_usb_device), > > + > > + /* give here messages in/out endpoints */ > > + .ep_msg_in = { IXXAT_USBV2_EP_MSGIN_0, IXXAT_USBV2_EP_MSGIN_1, > > + IXXAT_USBV2_EP_MSGIN_2, IXXAT_USBV2_EP_MSGIN_3, > > + IXXAT_USBV2_EP_MSGIN_4 }, > > + .ep_msg_out = { IXXAT_USBV2_EP_MSGOUT_0, IXXAT_USBV2_EP_MSGOUT_1, > > + IXXAT_USBV2_EP_MSGOUT_2, IXXAT_USBV2_EP_MSGOUT_3, > > + IXXAT_USBV2_EP_MSGOUT_4 }, > > + > > + /* size of rx/tx usb buffers */ > > + .rx_buffer_size = IXXAT_USBV2_RX_BUFFER_SIZE, > > + .tx_buffer_size = IXXAT_USBV2_TX_BUFFER_SIZE, > > + > > + /* device callbacks */ > > + .intf_probe = ixx_usbv2_probe, > > + .dev_get_dev_caps = ixx_usbv2_get_dev_caps, > > + .dev_get_ctrl_caps = ixx_usbv2_get_ctrl_caps, > > + .dev_init = ixx_usbv2_init, > > + .dev_exit = ixx_usbv2_exit, > > + .dev_set_bittiming = ixx_usbv2_set_bittiming, > > + .intf_get_info = ixx_usbv2_get_dev_info, > > + .intf_get_fw_info = ixx_usbv2_get_fwinfo, > > + .dev_decode_buf = ixx_usbv2_decode_buf, > > + .dev_encode_msg = ixx_usbv2_encode_msg, > > + .dev_start = ixx_usbv2_start, > > + .dev_stop = ixx_usbv2_stop, > > +}; > >
--- a/ubuntu/Kconfig +++ b/ubuntu/Kconfig @@ -37,6 +37,10 @@ source "ubuntu/bnxt/Kconfig" ## ## ## +source "ubuntu/ixxat/Kconfig +## +## +## ## ## ##