diff options
Diffstat (limited to 'drivers/net/can/usb/peak_usb/pcan_usb_core.c')
| -rw-r--r-- | drivers/net/can/usb/peak_usb/pcan_usb_core.c | 83 |
1 files changed, 65 insertions, 18 deletions
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c index c62f48a1161d..7921cff93a63 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c @@ -37,16 +37,19 @@ MODULE_LICENSE("GPL v2"); static struct usb_device_id peak_usb_table[] = { {USB_DEVICE(PCAN_USB_VENDOR_ID, PCAN_USB_PRODUCT_ID)}, {USB_DEVICE(PCAN_USB_VENDOR_ID, PCAN_USBPRO_PRODUCT_ID)}, + {USB_DEVICE(PCAN_USB_VENDOR_ID, PCAN_USBFD_PRODUCT_ID)}, + {USB_DEVICE(PCAN_USB_VENDOR_ID, PCAN_USBPROFD_PRODUCT_ID)}, {} /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, peak_usb_table); /* List of supported PCAN-USB adapters (NULL terminated list) */ -static struct peak_usb_adapter *peak_usb_adapters_list[] = { +static const struct peak_usb_adapter *const peak_usb_adapters_list[] = { &pcan_usb, &pcan_usb_pro, - NULL, + &pcan_usb_fd, + &pcan_usb_pro_fd, }; /* @@ -65,7 +68,7 @@ void pcan_dump_mem(char *prompt, void *p, int l) * initialize a time_ref object with usb adapter own settings */ void peak_usb_init_time_ref(struct peak_time_ref *time_ref, - struct peak_usb_adapter *adapter) + const struct peak_usb_adapter *adapter) { if (time_ref) { memset(time_ref, 0, sizeof(struct peak_time_ref)); @@ -165,6 +168,21 @@ void peak_usb_get_ts_tv(struct peak_time_ref *time_ref, u32 ts, } /* + * post received skb after having set any hw timestamp + */ +int peak_usb_netif_rx(struct sk_buff *skb, + struct peak_time_ref *time_ref, u32 ts_low, u32 ts_high) +{ + struct skb_shared_hwtstamps *hwts = skb_hwtstamps(skb); + struct timeval tv; + + peak_usb_get_ts_tv(time_ref, ts_low, &tv); + hwts->hwtstamp = timeval_to_ktime(tv); + + return netif_rx(skb); +} + +/* * callback for bulk Rx urb */ static void peak_usb_read_bulk_callback(struct urb *urb) @@ -253,7 +271,7 @@ static void peak_usb_write_bulk_callback(struct urb *urb) case 0: /* transmission complete */ netdev->stats.tx_packets++; - netdev->stats.tx_bytes += context->dlc; + netdev->stats.tx_bytes += context->data_len; /* prevent tx timeout */ netdev->trans_start = jiffies; @@ -289,7 +307,7 @@ static netdev_tx_t peak_usb_ndo_start_xmit(struct sk_buff *skb, struct peak_usb_device *dev = netdev_priv(netdev); struct peak_tx_urb_context *context = NULL; struct net_device_stats *stats = &netdev->stats; - struct can_frame *cf = (struct can_frame *)skb->data; + struct canfd_frame *cfd = (struct canfd_frame *)skb->data; struct urb *urb; u8 *obuf; int i, err; @@ -322,7 +340,9 @@ static netdev_tx_t peak_usb_ndo_start_xmit(struct sk_buff *skb, } context->echo_index = i; - context->dlc = cf->can_dlc; + + /* Note: this works with CANFD frames too */ + context->data_len = cfd->len; usb_anchor_urb(urb, &dev->tx_submitted); @@ -679,19 +699,43 @@ static int peak_usb_set_mode(struct net_device *netdev, enum can_mode mode) } /* - * candev callback used to set device bitrate. + * candev callback used to set device nominal/arbitration bitrate. */ static int peak_usb_set_bittiming(struct net_device *netdev) { struct peak_usb_device *dev = netdev_priv(netdev); - struct can_bittiming *bt = &dev->can.bittiming; + const struct peak_usb_adapter *pa = dev->adapter; - if (dev->adapter->dev_set_bittiming) { - int err = dev->adapter->dev_set_bittiming(dev, bt); + if (pa->dev_set_bittiming) { + struct can_bittiming *bt = &dev->can.bittiming; + int err = pa->dev_set_bittiming(dev, bt); if (err) netdev_info(netdev, "couldn't set bitrate (err %d)\n", - err); + err); + return err; + } + + return 0; +} + +/* + * candev callback used to set device data bitrate. + */ +static int peak_usb_set_data_bittiming(struct net_device *netdev) +{ + struct peak_usb_device *dev = netdev_priv(netdev); + const struct peak_usb_adapter *pa = dev->adapter; + + if (pa->dev_set_data_bittiming) { + struct can_bittiming *bt = &dev->can.data_bittiming; + int err = pa->dev_set_data_bittiming(dev, bt); + + if (err) + netdev_info(netdev, + "couldn't set data bitrate (err %d)\n", + err); + return err; } @@ -709,7 +753,7 @@ static const struct net_device_ops peak_usb_netdev_ops = { * create one device which is attached to CAN controller #ctrl_idx of the * usb adapter. */ -static int peak_usb_create_dev(struct peak_usb_adapter *peak_usb_adapter, +static int peak_usb_create_dev(const struct peak_usb_adapter *peak_usb_adapter, struct usb_interface *intf, int ctrl_idx) { struct usb_device *usb_dev = interface_to_usbdev(intf); @@ -750,9 +794,11 @@ static int peak_usb_create_dev(struct peak_usb_adapter *peak_usb_adapter, dev->can.clock = peak_usb_adapter->clock; dev->can.bittiming_const = &peak_usb_adapter->bittiming_const; dev->can.do_set_bittiming = peak_usb_set_bittiming; + dev->can.data_bittiming_const = &peak_usb_adapter->data_bittiming_const; + dev->can.do_set_data_bittiming = peak_usb_set_data_bittiming; dev->can.do_set_mode = peak_usb_set_mode; - dev->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES | - CAN_CTRLMODE_LISTENONLY; + dev->can.do_get_berr_counter = peak_usb_adapter->do_get_berr_counter; + dev->can.ctrlmode_supported = peak_usb_adapter->ctrlmode_supported; netdev->netdev_ops = &peak_usb_netdev_ops; @@ -857,17 +903,18 @@ static int peak_usb_probe(struct usb_interface *intf, { struct usb_device *usb_dev = interface_to_usbdev(intf); const u16 usb_id_product = le16_to_cpu(usb_dev->descriptor.idProduct); - struct peak_usb_adapter *peak_usb_adapter, **pp; + const struct peak_usb_adapter *peak_usb_adapter = NULL; int i, err = -ENOMEM; usb_dev = interface_to_usbdev(intf); /* get corresponding PCAN-USB adapter */ - for (pp = peak_usb_adapters_list; *pp; pp++) - if ((*pp)->device_id == usb_id_product) + for (i = 0; i < ARRAY_SIZE(peak_usb_adapters_list); i++) + if (peak_usb_adapters_list[i]->device_id == usb_id_product) { + peak_usb_adapter = peak_usb_adapters_list[i]; break; + } - peak_usb_adapter = *pp; if (!peak_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", |