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path: root/drivers/net/can/usb/esd_usb2.c
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Diffstat (limited to 'drivers/net/can/usb/esd_usb2.c')
-rw-r--r--drivers/net/can/usb/esd_usb2.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c
index b5d7ed21d7d9..9eed75a4b678 100644
--- a/drivers/net/can/usb/esd_usb2.c
+++ b/drivers/net/can/usb/esd_usb2.c
@@ -183,7 +183,7 @@ struct esd_usb2_net_priv;
struct esd_tx_urb_context {
struct esd_usb2_net_priv *priv;
u32 echo_index;
- int dlc;
+ int len; /* CAN payload length */
};
struct esd_usb2 {
@@ -292,7 +292,7 @@ static void esd_usb2_rx_event(struct esd_usb2_net_priv *priv,
priv->bec.rxerr = rxerr;
stats->rx_packets++;
- stats->rx_bytes += cf->can_dlc;
+ stats->rx_bytes += cf->len;
netif_rx(skb);
}
}
@@ -321,7 +321,8 @@ static void esd_usb2_rx_can_msg(struct esd_usb2_net_priv *priv,
}
cf->can_id = id & ESD_IDMASK;
- cf->can_dlc = get_can_dlc(msg->msg.rx.dlc & ~ESD_RTR);
+ can_frame_set_cc_len(cf, msg->msg.rx.dlc & ~ESD_RTR,
+ priv->can.ctrlmode);
if (id & ESD_EXTID)
cf->can_id |= CAN_EFF_FLAG;
@@ -329,12 +330,12 @@ static void esd_usb2_rx_can_msg(struct esd_usb2_net_priv *priv,
if (msg->msg.rx.dlc & ESD_RTR) {
cf->can_id |= CAN_RTR_FLAG;
} else {
- for (i = 0; i < cf->can_dlc; i++)
+ for (i = 0; i < cf->len; i++)
cf->data[i] = msg->msg.rx.data[i];
}
stats->rx_packets++;
- stats->rx_bytes += cf->can_dlc;
+ stats->rx_bytes += cf->len;
netif_rx(skb);
}
@@ -355,7 +356,7 @@ static void esd_usb2_tx_done_msg(struct esd_usb2_net_priv *priv,
if (!msg->msg.txdone.status) {
stats->tx_packets++;
- stats->tx_bytes += context->dlc;
+ stats->tx_bytes += context->len;
can_get_echo_skb(netdev, context->echo_index);
} else {
stats->tx_errors++;
@@ -737,7 +738,7 @@ static netdev_tx_t esd_usb2_start_xmit(struct sk_buff *skb,
msg->msg.hdr.len = 3; /* minimal length */
msg->msg.hdr.cmd = CMD_CAN_TX;
msg->msg.tx.net = priv->index;
- msg->msg.tx.dlc = cf->can_dlc;
+ msg->msg.tx.dlc = can_get_cc_dlc(cf, priv->can.ctrlmode);
msg->msg.tx.id = cpu_to_le32(cf->can_id & CAN_ERR_MASK);
if (cf->can_id & CAN_RTR_FLAG)
@@ -746,10 +747,10 @@ static netdev_tx_t esd_usb2_start_xmit(struct sk_buff *skb,
if (cf->can_id & CAN_EFF_FLAG)
msg->msg.tx.id |= cpu_to_le32(ESD_EXTID);
- for (i = 0; i < cf->can_dlc; i++)
+ for (i = 0; i < cf->len; i++)
msg->msg.tx.data[i] = cf->data[i];
- msg->msg.hdr.len += (cf->can_dlc + 3) >> 2;
+ msg->msg.hdr.len += (cf->len + 3) >> 2;
for (i = 0; i < MAX_TX_URBS; i++) {
if (priv->tx_contexts[i].echo_index == MAX_TX_URBS) {
@@ -769,7 +770,7 @@ static netdev_tx_t esd_usb2_start_xmit(struct sk_buff *skb,
context->priv = priv;
context->echo_index = i;
- context->dlc = cf->can_dlc;
+ context->len = cf->len;
/* hnd must not be 0 - MSB is stripped in txdone handling */
msg->msg.tx.hnd = 0x80000000 | i; /* returned in TX done message */
@@ -988,7 +989,8 @@ static int esd_usb2_probe_one_net(struct usb_interface *intf, int index)
priv->index = index;
priv->can.state = CAN_STATE_STOPPED;
- priv->can.ctrlmode_supported = CAN_CTRLMODE_LISTENONLY;
+ priv->can.ctrlmode_supported = CAN_CTRLMODE_LISTENONLY |
+ CAN_CTRLMODE_CC_LEN8_DLC;
if (le16_to_cpu(dev->udev->descriptor.idProduct) ==
USB_CANUSBM_PRODUCT_ID)