On Tue, Aug 10, 2021 at 02:40:32PM +0300, Arseny Krasnov wrote:
If packet has 'EOR' bit - set MSG_EOR in 'recvmsg()' flags.

Signed-off-by: Arseny Krasnov <[email protected]>
---
net/vmw_vsock/virtio_transport_common.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/net/vmw_vsock/virtio_transport_common.c 
b/net/vmw_vsock/virtio_transport_common.c
index 4d5a93beceb0..59ee1be5a6dd 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -76,8 +76,12 @@ virtio_transport_alloc_pkt(struct virtio_vsock_pkt_info 
*info,
                        goto out;

                if (msg_data_left(info->msg) == 0 &&
-                   info->type == VIRTIO_VSOCK_TYPE_SEQPACKET)
+                   info->type == VIRTIO_VSOCK_TYPE_SEQPACKET) {
                        pkt->hdr.flags |= cpu_to_le32(VIRTIO_VSOCK_SEQ_EOM);
+
+                       if (info->msg->msg_flags & MSG_EOR)
+                               pkt->hdr.flags |= 
cpu_to_le32(VIRTIO_VSOCK_SEQ_EOR);
+               }
        }

        trace_virtio_transport_alloc_pkt(src_cid, src_port,
@@ -460,6 +464,9 @@ static int virtio_transport_seqpacket_do_dequeue(struct 
vsock_sock *vsk,
                if (le32_to_cpu(pkt->hdr.flags) & VIRTIO_VSOCK_SEQ_EOM) {
                        msg_ready = true;
                        vvs->msg_count--;
+
+                       if (le32_to_cpu(pkt->hdr.flags) & VIRTIO_VSOCK_SEQ_EOR)
+                               msg->msg_flags |= MSG_EOR;
                }

                virtio_transport_dec_rx_pkt(vvs, pkt);
--
2.25.1


Reviewed-by: Stefano Garzarella <[email protected]>

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