Imported Upstream version 16.04

[deb_dpdk.git] / drivers / net / virtio / virtio_ethdev.h

diff --git a/drivers/net/virtio/virtio_ethdev.h b/drivers/net/virtio/virtio_ethdev.h
new file mode 100644 (file)
index 0000000..66423a0
--- /dev/null
+++ b/drivers/net/virtio/virtio_ethdev.h
@@ -0,0 +1,125 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _VIRTIO_ETHDEV_H_
+#define _VIRTIO_ETHDEV_H_
+
+#include <stdint.h>
+
+#include "virtio_pci.h"
+
+#define SPEED_10       10
+#define SPEED_100      100
+#define SPEED_1000     1000
+#define SPEED_10G      10000
+
+#ifndef PAGE_SIZE
+#define PAGE_SIZE 4096
+#endif
+
+#define VIRTIO_MAX_RX_QUEUES 128
+#define VIRTIO_MAX_TX_QUEUES 128
+#define VIRTIO_MAX_MAC_ADDRS 64
+#define VIRTIO_MIN_RX_BUFSIZE 64
+#define VIRTIO_MAX_RX_PKTLEN  9728
+
+/* Features desired/implemented by this driver. */
+#define VIRTIO_PMD_GUEST_FEATURES              \
+       (1u << VIRTIO_NET_F_MAC           |     \
+        1u << VIRTIO_NET_F_STATUS        |     \
+        1u << VIRTIO_NET_F_MQ            |     \
+        1u << VIRTIO_NET_F_CTRL_MAC_ADDR |     \
+        1u << VIRTIO_NET_F_CTRL_VQ       |     \
+        1u << VIRTIO_NET_F_CTRL_RX       |     \
+        1u << VIRTIO_NET_F_CTRL_VLAN     |     \
+        1u << VIRTIO_NET_F_MRG_RXBUF     |     \
+        1ULL << VIRTIO_F_VERSION_1)
+
+/*
+ * CQ function prototype
+ */
+void virtio_dev_cq_start(struct rte_eth_dev *dev);
+
+/*
+ * RX/TX function prototypes
+ */
+void virtio_dev_rxtx_start(struct rte_eth_dev *dev);
+
+int virtio_dev_queue_setup(struct rte_eth_dev *dev,
+                       int queue_type,
+                       uint16_t queue_idx,
+                       uint16_t vtpci_queue_idx,
+                       uint16_t nb_desc,
+                       unsigned int socket_id,
+                       struct virtqueue **pvq);
+
+void virtio_dev_queue_release(struct virtqueue *vq);
+
+int  virtio_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
+               uint16_t nb_rx_desc, unsigned int socket_id,
+               const struct rte_eth_rxconf *rx_conf,
+               struct rte_mempool *mb_pool);
+
+void virtio_dev_rx_queue_release(void *rxq);
+
+int  virtio_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
+               uint16_t nb_tx_desc, unsigned int socket_id,
+               const struct rte_eth_txconf *tx_conf);
+
+void virtio_dev_tx_queue_release(void *txq);
+
+uint16_t virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
+               uint16_t nb_pkts);
+
+uint16_t virtio_recv_mergeable_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
+               uint16_t nb_pkts);
+
+uint16_t virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+               uint16_t nb_pkts);
+
+uint16_t virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
+               uint16_t nb_pkts);
+
+uint16_t virtio_xmit_pkts_simple(void *tx_queue, struct rte_mbuf **tx_pkts,
+               uint16_t nb_pkts);
+
+/*
+ * The VIRTIO_NET_F_GUEST_TSO[46] features permit the host to send us
+ * frames larger than 1514 bytes. We do not yet support software LRO
+ * via tcp_lro_rx().
+ */
+#define VTNET_LRO_FEATURES (VIRTIO_NET_F_GUEST_TSO4 | \
+                           VIRTIO_NET_F_GUEST_TSO6 | VIRTIO_NET_F_GUEST_ECN)
+
+
+#endif /* _VIRTIO_ETHDEV_H_ */