ethdev: increase port id range

[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 b5d8096..a5f0eeb 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)
 {
-       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;
 
-               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));
@@ -138,6 +143,15 @@ virtio_enqueue_offload(struct rte_mbuf *m_buf, struct virtio_net_hdr *net_hdr)
                ASSIGN_UNLESS_EQUAL(net_hdr->flags, 0);
        }
 
+       /* IP cksum verification cannot be bypassed, then calculate here */
+       if (m_buf->ol_flags & PKT_TX_IP_CKSUM) {
+               struct ipv4_hdr *ipv4_hdr;
+
+               ipv4_hdr = rte_pktmbuf_mtod_offset(m_buf, struct ipv4_hdr *,
+                                                  m_buf->l2_len);
+               ipv4_hdr->hdr_checksum = rte_ipv4_cksum(ipv4_hdr);
+       }
+
        if (m_buf->ol_flags & PKT_TX_TCP_SEG) {
                if (m_buf->ol_flags & PKT_TX_IPV4)
                        net_hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV4;
@@ -233,7 +247,7 @@ copy_mbuf_to_desc(struct virtio_net *dev, struct vring_desc *descs,
 /**
  * This function adds buffers to the virtio devices RX virtqueue. Buffers can
  * be received from the physical port or from another virtio device. A packet
- * count is returned to indicate the number of packets that are succesfully
+ * count is returned to indicate the number of packets that are successfully
  * added to the RX queue. This function works when the mbuf is scattered, but
  * it doesn't support the mergeable feature.
  */
@@ -601,9 +615,11 @@ static inline bool
 virtio_net_with_host_offload(struct virtio_net *dev)
 {
        if (dev->features &
-                       (VIRTIO_NET_F_CSUM | VIRTIO_NET_F_HOST_ECN |
-                        VIRTIO_NET_F_HOST_TSO4 | VIRTIO_NET_F_HOST_TSO6 |
-                        VIRTIO_NET_F_HOST_UFO))
+                       ((1ULL << VIRTIO_NET_F_CSUM) |
+                        (1ULL << VIRTIO_NET_F_HOST_ECN) |
+                        (1ULL << VIRTIO_NET_F_HOST_TSO4) |
+                        (1ULL << VIRTIO_NET_F_HOST_TSO6) |
+                        (1ULL << VIRTIO_NET_F_HOST_UFO)))
                return true;
 
        return false;