[PATCH RFC v3 15/16] virtio_net: fix types for in memory structures

From: Michael S. Tsirkin
Date: Wed Oct 22 2014 - 14:41:45 EST


Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---
include/uapi/linux/virtio_net.h | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h
index 172a7f0..b5f1677 100644
--- a/include/uapi/linux/virtio_net.h
+++ b/include/uapi/linux/virtio_net.h
@@ -28,6 +28,7 @@
#include <linux/types.h>
#include <linux/virtio_ids.h>
#include <linux/virtio_config.h>
+#include <linux/virtio_types.h>
#include <linux/if_ether.h>

/* The feature bitmap for virtio net */
@@ -84,17 +85,17 @@ struct virtio_net_hdr {
#define VIRTIO_NET_HDR_GSO_TCPV6 4 // GSO frame, IPv6 TCP
#define VIRTIO_NET_HDR_GSO_ECN 0x80 // TCP has ECN set
__u8 gso_type;
- __u16 hdr_len; /* Ethernet + IP + tcp/udp hdrs */
- __u16 gso_size; /* Bytes to append to hdr_len per frame */
- __u16 csum_start; /* Position to start checksumming from */
- __u16 csum_offset; /* Offset after that to place checksum */
+ __virtio16 hdr_len; /* Ethernet + IP + tcp/udp hdrs */
+ __virtio16 gso_size; /* Bytes to append to hdr_len per frame */
+ __virtio16 csum_start; /* Position to start checksumming from */
+ __virtio16 csum_offset; /* Offset after that to place checksum */
};

/* This is the version of the header to use when the MRG_RXBUF
* feature has been negotiated. */
struct virtio_net_hdr_mrg_rxbuf {
struct virtio_net_hdr hdr;
- __u16 num_buffers; /* Number of merged rx buffers */
+ __virtio16 num_buffers; /* Number of merged rx buffers */
};

/*
@@ -149,7 +150,7 @@ typedef __u8 virtio_net_ctrl_ack;
* VIRTIO_NET_F_CTRL_MAC_ADDR feature is available.
*/
struct virtio_net_ctrl_mac {
- __u32 entries;
+ __virtio32 entries;
__u8 macs[][ETH_ALEN];
} __attribute__((packed));

@@ -193,7 +194,7 @@ struct virtio_net_ctrl_mac {
* specified.
*/
struct virtio_net_ctrl_mq {
- __u16 virtqueue_pairs;
+ __virtio16 virtqueue_pairs;
};

#define VIRTIO_NET_CTRL_MQ 4
--
MST

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