diff options
Diffstat (limited to 'drivers/net/can/dev.c')
| -rw-r--r-- | drivers/net/can/dev.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index fc59bc6f040b..c0563f183721 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -512,6 +512,30 @@ struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf) } EXPORT_SYMBOL_GPL(alloc_can_skb); +struct sk_buff *alloc_canfd_skb(struct net_device *dev, + struct canfd_frame **cfd) +{ + struct sk_buff *skb; + + skb = netdev_alloc_skb(dev, sizeof(struct can_skb_priv) + + sizeof(struct canfd_frame)); + if (unlikely(!skb)) + return NULL; + + skb->protocol = htons(ETH_P_CANFD); + skb->pkt_type = PACKET_BROADCAST; + skb->ip_summed = CHECKSUM_UNNECESSARY; + + can_skb_reserve(skb); + can_skb_prv(skb)->ifindex = dev->ifindex; + + *cfd = (struct canfd_frame *)skb_put(skb, sizeof(struct canfd_frame)); + memset(*cfd, 0, sizeof(struct canfd_frame)); + + return skb; +} +EXPORT_SYMBOL_GPL(alloc_canfd_skb); + struct sk_buff *alloc_can_err_skb(struct net_device *dev, struct can_frame **cf) { struct sk_buff *skb; |