git.droids-corp.org
/
dpdk.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
vhost: fix TCP checksum
[dpdk.git]
/
lib
/
librte_vhost
/
virtio_net.c
diff --git
a/lib/librte_vhost/virtio_net.c
b/lib/librte_vhost/virtio_net.c
index
ebfda1c
..
d095f64
100644
(file)
--- a/
lib/librte_vhost/virtio_net.c
+++ b/
lib/librte_vhost/virtio_net.c
@@
-114,11
+114,16
@@
update_shadow_used_ring(struct vhost_virtqueue *vq,
static void
virtio_enqueue_offload(struct rte_mbuf *m_buf, struct virtio_net_hdr *net_hdr)
{
static void
virtio_enqueue_offload(struct rte_mbuf *m_buf, struct virtio_net_hdr *net_hdr)
{
- if (m_buf->ol_flags & PKT_TX_L4_MASK) {
+ uint64_t csum_l4 = m_buf->ol_flags & PKT_TX_L4_MASK;
+
+ if (m_buf->ol_flags & PKT_TX_TCP_SEG)
+ csum_l4 |= PKT_TX_TCP_CKSUM;
+
+ if (csum_l4) {
net_hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
net_hdr->csum_start = m_buf->l2_len + m_buf->l3_len;
net_hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
net_hdr->csum_start = m_buf->l2_len + m_buf->l3_len;
- switch (
m_buf->ol_flags & PKT_TX_L4_MASK
) {
+ switch (
csum_l4
) {
case PKT_TX_TCP_CKSUM:
net_hdr->csum_offset = (offsetof(struct tcp_hdr,
cksum));
case PKT_TX_TCP_CKSUM:
net_hdr->csum_offset = (offsetof(struct tcp_hdr,
cksum));