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Diffstat (limited to 'tcp_vu.c')
-rw-r--r--tcp_vu.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/tcp_vu.c b/tcp_vu.c
index 2c9ddba..94169c2 100644
--- a/tcp_vu.c
+++ b/tcp_vu.c
@@ -90,12 +90,12 @@ int tcp_vu_send_flag(const struct ctx *c, struct tcp_tap_conn *conn, int flags)
vu_set_element(&flags_elem[0], NULL, &flags_iov[0]);
elem_cnt = vu_collect(vdev, vq, &flags_elem[0], 1,
- MAX(hdrlen + sizeof(*opts), ETH_ZLEN), NULL);
+ MAX(hdrlen + sizeof(*opts), ETH_ZLEN + VNET_HLEN), NULL);
if (elem_cnt != 1)
return -1;
ASSERT(flags_elem[0].in_sg[0].iov_len >=
- MAX(hdrlen + sizeof(*opts), ETH_ZLEN));
+ MAX(hdrlen + sizeof(*opts), ETH_ZLEN + VNET_HLEN));
vu_set_vnethdr(vdev, flags_elem[0].in_sg[0].iov_base, 1);
@@ -209,7 +209,7 @@ static ssize_t tcp_vu_sock_recv(const struct ctx *c, struct vu_virtq *vq,
cnt = vu_collect(vdev, vq, &elem[elem_cnt],
VIRTQUEUE_MAX_SIZE - elem_cnt,
- MAX(MIN(mss, fillsize) + hdrlen, ETH_ZLEN),
+ MAX(MIN(mss, fillsize) + hdrlen, ETH_ZLEN + VNET_HLEN),
&frame_size);
if (cnt == 0)
break;
@@ -303,7 +303,7 @@ static void tcp_vu_prepare(const struct ctx *c, struct tcp_tap_conn *conn,
/* we guess the first iovec provided by the guest can embed
* all the headers needed by L2 frame, including any padding
*/
- ASSERT(iov[0].iov_len >= MAX(hdrlen, ETH_ZLEN));
+ ASSERT(iov[0].iov_len >= hdrlen);
eh = vu_eth(base);