Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 63 insertions, 0 deletions

diff --git a/src/seastar/dpdk/drivers/net/virtio/virtio_rxtx.h b/src/seastar/dpdk/drivers/net/virtio/virtio_rxtx.h
new file mode 100644
index 000000000..685cc4f81
--- /dev/null
+++ b/src/seastar/dpdk/drivers/net/virtio/virtio_rxtx.h
@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2015 Intel Corporation
+ */
+
+#ifndef _VIRTIO_RXTX_H_
+#define _VIRTIO_RXTX_H_
+
+#define RTE_PMD_VIRTIO_RX_MAX_BURST 64
+
+struct virtnet_stats {
+	uint64_t	packets;
+	uint64_t	bytes;
+	uint64_t	errors;
+	uint64_t	multicast;
+	uint64_t	broadcast;
+	/* Size bins in array as RFC 2819, undersized [0], 64 [1], etc */
+	uint64_t	size_bins[8];
+};
+
+struct virtnet_rx {
+	struct virtqueue *vq;
+	/* dummy mbuf, for wraparound when processing RX ring. */
+	struct rte_mbuf fake_mbuf;
+	uint64_t mbuf_initializer; /**< value to init mbufs. */
+	struct rte_mempool *mpool; /**< mempool for mbuf allocation */
+
+	uint16_t queue_id;   /**< DPDK queue index. */
+	uint16_t port_id;     /**< Device port identifier. */
+
+	/* Statistics */
+	struct virtnet_stats stats;
+
+	const struct rte_memzone *mz; /**< mem zone to populate RX ring. */
+};
+
+struct virtnet_tx {
+	struct virtqueue *vq;
+	/**< memzone to populate hdr. */
+	const struct rte_memzone *virtio_net_hdr_mz;
+	rte_iova_t virtio_net_hdr_mem;   /**< hdr for each xmit packet */
+
+	uint16_t    queue_id;            /**< DPDK queue index. */
+	uint16_t    port_id;             /**< Device port identifier. */
+
+	/* Statistics */
+	struct virtnet_stats stats;
+
+	const struct rte_memzone *mz;    /**< mem zone to populate TX ring. */
+};
+
+struct virtnet_ctl {
+	struct virtqueue *vq;
+	/**< memzone to populate hdr. */
+	const struct rte_memzone *virtio_net_hdr_mz;
+	rte_iova_t virtio_net_hdr_mem;  /**< hdr for each xmit packet */
+	uint16_t port_id;               /**< Device port identifier. */
+	const struct rte_memzone *mz;   /**< mem zone to populate CTL ring. */
+	rte_spinlock_t lock;              /**< spinlock for control queue. */
+};
+
+int virtio_rxq_vec_setup(struct virtnet_rx *rxvq);
+
+#endif /* _VIRTIO_RXTX_H_ */