net/mlx5: add C++ include guard to public header

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

diff --git a/drivers/net/virtio/virtqueue.h b/drivers/net/virtio/virtqueue.h
index 97fc264..99c68cf 100644 (file)
--- a/drivers/net/virtio/virtqueue.h
+++ b/drivers/net/virtio/virtqueue.h
@@ -201,11 +201,33 @@ struct virtio_net_ctrl_mac {
 #define VIRTIO_NET_CTRL_VLAN_ADD 0
 #define VIRTIO_NET_CTRL_VLAN_DEL 1
 
+/**
+ * RSS control
+ *
+ * The RSS feature configuration message is sent by the driver when
+ * VIRTIO_NET_F_RSS has been negotiated. It provides the device with
+ * hash types to use, hash key and indirection table. In this
+ * implementation, the driver only supports fixed key length (40B)
+ * and indirection table size (128 entries).
+ */
+#define VIRTIO_NET_RSS_RETA_SIZE 128
+#define VIRTIO_NET_RSS_KEY_SIZE 40
+
+struct virtio_net_ctrl_rss {
+       uint32_t hash_types;
+       uint16_t indirection_table_mask;
+       uint16_t unclassified_queue;
+       uint16_t indirection_table[VIRTIO_NET_RSS_RETA_SIZE];
+       uint16_t max_tx_vq;
+       uint8_t hash_key_length;
+       uint8_t hash_key_data[VIRTIO_NET_RSS_KEY_SIZE];
+};
+
 /*
  * Control link announce acknowledgement
  *
  * The command VIRTIO_NET_CTRL_ANNOUNCE_ACK is used to indicate that
- * driver has recevied the notification; device would clear the
+ * driver has received the notification; device would clear the
  * VIRTIO_NET_S_ANNOUNCE bit in the status field after it receives
  * this command.
  */
@@ -290,9 +312,12 @@ struct virtqueue {
        struct vq_desc_extra vq_descx[0];
 };
 
-/* If multiqueue is provided by host, then we suppport it. */
+/* If multiqueue is provided by host, then we support it. */
 #define VIRTIO_NET_CTRL_MQ   4
+
 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET        0
+#define VIRTIO_NET_CTRL_MQ_RSS_CONFIG          1
+
 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN        1
 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX        0x8000