diff options
Diffstat (limited to 'drivers/net/macvtap.c')
| -rw-r--r-- | drivers/net/macvtap.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index a449439bd653..acf6450ceff5 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -21,6 +21,7 @@ #include <net/rtnetlink.h> #include <net/sock.h> #include <linux/virtio_net.h> +#include <net/flow_keys.h> /* * A macvtap queue is the central object of this driver, it connects @@ -645,6 +646,7 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m, int vnet_hdr_len = 0; int copylen = 0; bool zerocopy = false; + struct flow_keys keys; if (q->flags & IFF_VNET_HDR) { vnet_hdr_len = q->vnet_hdr_sz; @@ -725,6 +727,13 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m, goto err_kfree; } + if (skb->ip_summed == CHECKSUM_PARTIAL) + skb_set_transport_header(skb, skb_checksum_start_offset(skb)); + else if (skb_flow_dissect(skb, &keys)) + skb_set_transport_header(skb, keys.thoff); + else + skb_set_transport_header(skb, ETH_HLEN); + rcu_read_lock_bh(); vlan = rcu_dereference_bh(q->vlan); /* copy skb_ubuf_info for callback when skb has no error */ |