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| author | Oliver Hartkopp <socketcan@hartkopp.net> | 2022-09-12 19:07:24 +0200 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2022-09-15 09:08:09 +0200 |
| commit | ebf87fc728502244550eaf8819fc785e2014b2ad (patch) | |
| tree | d4336c9933ea1856ec06126c09e33d749414308d /drivers/net/can/vxcan.c | |
| parent | fb08cba12b52cba4366e858932307649dc5304e2 (diff) | |
| download | linux-ebf87fc728502244550eaf8819fc785e2014b2ad.tar.gz linux-ebf87fc728502244550eaf8819fc785e2014b2ad.tar.bz2 linux-ebf87fc728502244550eaf8819fc785e2014b2ad.zip | |
can: dev: add CAN XL support to virtual CAN
Make use of new can_skb_get_data_len() helper.
Add support for variable CANXL MTU using the new can_is_canxl_dev_mtu().
Acked-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://lore.kernel.org/all/20220912170725.120748-7-socketcan@hartkopp.net
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can/vxcan.c')
| -rw-r--r-- | drivers/net/can/vxcan.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/can/vxcan.c b/drivers/net/can/vxcan.c index cffd107d8b28..26a472d2ea58 100644 --- a/drivers/net/can/vxcan.c +++ b/drivers/net/can/vxcan.c @@ -38,10 +38,9 @@ static netdev_tx_t vxcan_xmit(struct sk_buff *oskb, struct net_device *dev) { struct vxcan_priv *priv = netdev_priv(dev); struct net_device *peer; - struct canfd_frame *cfd = (struct canfd_frame *)oskb->data; struct net_device_stats *peerstats, *srcstats = &dev->stats; struct sk_buff *skb; - u8 len; + unsigned int len; if (can_dropped_invalid_skb(dev, oskb)) return NETDEV_TX_OK; @@ -70,7 +69,7 @@ static netdev_tx_t vxcan_xmit(struct sk_buff *oskb, struct net_device *dev) skb->dev = peer; skb->ip_summed = CHECKSUM_UNNECESSARY; - len = cfd->can_id & CAN_RTR_FLAG ? 0 : cfd->len; + len = can_skb_get_data_len(skb); if (netif_rx(skb) == NET_RX_SUCCESS) { srcstats->tx_packets++; srcstats->tx_bytes += len; @@ -132,7 +131,8 @@ static int vxcan_change_mtu(struct net_device *dev, int new_mtu) if (dev->flags & IFF_UP) return -EBUSY; - if (new_mtu != CAN_MTU && new_mtu != CANFD_MTU) + if (new_mtu != CAN_MTU && new_mtu != CANFD_MTU && + !can_is_canxl_dev_mtu(new_mtu)) return -EINVAL; dev->mtu = new_mtu; |