net/virtio: support Virtio link speed feature

[dpdk.git] / drivers / net / virtio / virtio_pci.h

diff --git a/drivers/net/virtio/virtio_pci.h b/drivers/net/virtio/virtio_pci.h
index 9cb7104..2ac665b 100644 (file)
--- a/drivers/net/virtio/virtio_pci.h
+++ b/drivers/net/virtio/virtio_pci.h
@@ -141,6 +141,9 @@ struct virtnet_ctl;
  */
 #define VIRTIO_F_NOTIFICATION_DATA 38
 
+/* Device set linkspeed and duplex */
+#define VIRTIO_NET_F_SPEED_DUPLEX 63
+
 /* The Guest publishes the used index for which it expects an interrupt
  * at the end of the avail ring. Host should ignore the avail->flags field. */
 /* The Host publishes the avail index for which it expects a kick
@@ -260,6 +263,7 @@ struct virtio_hw {
        uint8_t     mac_addr[RTE_ETHER_ADDR_LEN];
        uint32_t    notify_off_multiplier;
        uint32_t    speed;  /* link speed in MB */
+       uint8_t     duplex;
        uint8_t     *isr;
        uint16_t    *notify_base;
        struct virtio_pci_common_cfg *common_cfg;
@@ -306,6 +310,18 @@ struct virtio_net_config {
        uint16_t   status;
        uint16_t   max_virtqueue_pairs;
        uint16_t   mtu;
+       /*
+        * speed, in units of 1Mb. All values 0 to INT_MAX are legal.
+        * Any other value stands for unknown.
+        */
+       uint32_t speed;
+       /*
+        * 0x00 - half duplex
+        * 0x01 - full duplex
+        * Any other value stands for unknown.
+        */
+       uint8_t duplex;
+
 } __rte_packed;
 
 /*