diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/macvtap.c | 2 | ||||
| -rw-r--r-- | drivers/net/tun.c | 2 | ||||
| -rw-r--r-- | drivers/net/virtio_net.c | 2 |
3 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index 6696e56e632..ecee0fe65a9 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -508,6 +508,8 @@ static int macvtap_skb_to_vnet_hdr(const struct sk_buff *skb, vnet_hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM; vnet_hdr->csum_start = skb_checksum_start_offset(skb); vnet_hdr->csum_offset = skb->csum_offset; + } else if (skb->ip_summed == CHECKSUM_UNNECESSARY) { + vnet_hdr->flags = VIRTIO_NET_HDR_F_DATA_VALID; } /* else everything is zero */ return 0; diff --git a/drivers/net/tun.c b/drivers/net/tun.c index ef68e13c042..4dab85eecb6 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -788,6 +788,8 @@ static ssize_t tun_put_user(struct tun_struct *tun, gso.flags = VIRTIO_NET_HDR_F_NEEDS_CSUM; gso.csum_start = skb_checksum_start_offset(skb); gso.csum_offset = skb->csum_offset; + } else if (skb->ip_summed == CHECKSUM_UNNECESSARY) { + gso.flags = VIRTIO_NET_HDR_F_DATA_VALID; } /* else everything is zero */ if (unlikely(memcpy_toiovecend(iv, (void *)&gso, total, diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index f6853247a62..be3686a298d 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -274,6 +274,8 @@ static void receive_buf(struct net_device *dev, void *buf, unsigned int len) hdr->hdr.csum_start, hdr->hdr.csum_offset)) goto frame_err; + } else if (hdr->hdr.flags & VIRTIO_NET_HDR_F_DATA_VALID) { + skb->ip_summed = CHECKSUM_UNNECESSARY; } skb->protocol = eth_type_trans(skb, dev); |