Changeset a1f173d in mainline

Timestamp:

2019-02-05T20:25:48Z (5 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

13eecc4

Parents:

d80fa05

Message:

Use VIRTIO 1.0 layout of virtio_net_hdr_t

When VIRTIO_F_VERSION_1 is negotiated, virtio_net_hdr_t uses the new
layout.

Location:

uspace/drv/nic/virtio-net

Files:

• virtio-net.c (modified) (1 diff)
• virtio-net.h (modified) (1 diff)

uspace/drv/nic/virtio-net/virtio-net.c

@@ -346 +346 @@
         memset(hdr, 0, sizeof(virtio_net_hdr_t));
         hdr->gso_type = VIRTIO_NET_HDR_GSO_NONE;
+        hdr->num_buffers = 0;
 
         /* Copy packet data into the buffer just past the header */

uspace/drv/nic/virtio-net/virtio-net.h

@@ -55 +55 @@
         uint16_t csum_start;
         uint16_t csum_offset;
-
-        // XXX: QEMU uses the legacy layout for some reason
-#if 0
         uint16_t num_buffers;
-#endif
 } virtio_net_hdr_t;