[ceph.git] / ceph / src / seastar / dpdk / drivers / net / virtio / virtio_rxtx.h

/* 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_ */
Commit	Line	Data
9f95a23c TL	1	/* SPDX-License-Identifier: BSD-3-Clause
9f95a23c TL	2	* Copyright(c) 2010-2015 Intel Corporation
7c673cae FG	3	*/
	4
	5	#ifndef _VIRTIO_RXTX_H_
	6	#define _VIRTIO_RXTX_H_
	7
	8	#define RTE_PMD_VIRTIO_RX_MAX_BURST 64
	9
	10	struct virtnet_stats {
	11	uint64_t packets;
	12	uint64_t bytes;
	13	uint64_t errors;
	14	uint64_t multicast;
	15	uint64_t broadcast;
	16	/* Size bins in array as RFC 2819, undersized [0], 64 [1], etc */
	17	uint64_t size_bins[8];
	18	};
	19
	20	struct virtnet_rx {
	21	struct virtqueue *vq;
	22	/* dummy mbuf, for wraparound when processing RX ring. */
	23	struct rte_mbuf fake_mbuf;
	24	uint64_t mbuf_initializer; /*< value to init mbufs. /
	25	struct rte_mempool mpool; /< mempool for mbuf allocation /
	26
	27	uint16_t queue_id; /*< DPDK queue index. /
9f95a23c	28	uint16_t port_id; /*< Device port identifier. /
7c673cae FG	29
	30	/* Statistics */
	31	struct virtnet_stats stats;
	32
	33	const struct rte_memzone mz; /< mem zone to populate RX ring. /
	34	};
	35
	36	struct virtnet_tx {
	37	struct virtqueue *vq;
	38	/*< memzone to populate hdr. /
	39	const struct rte_memzone *virtio_net_hdr_mz;
9f95a23c	40	rte_iova_t virtio_net_hdr_mem; /*< hdr for each xmit packet /
7c673cae FG	41
7c673cae FG	42	uint16_t queue_id; /*< DPDK queue index. /
9f95a23c	43	uint16_t port_id; /*< Device port identifier. /
7c673cae FG	44
	45	/* Statistics */
	46	struct virtnet_stats stats;
	47
	48	const struct rte_memzone mz; /< mem zone to populate TX ring. /
	49	};
	50
	51	struct virtnet_ctl {
	52	struct virtqueue *vq;
	53	/*< memzone to populate hdr. /
	54	const struct rte_memzone *virtio_net_hdr_mz;
9f95a23c TL	55	rte_iova_t virtio_net_hdr_mem; /*< hdr for each xmit packet /
	56	uint16_t port_id; /*< Device port identifier. /
	57	const struct rte_memzone mz; /< mem zone to populate CTL ring. /
	58	rte_spinlock_t lock; /*< spinlock for control queue. /
7c673cae FG	59	};
	60
	61	int virtio_rxq_vec_setup(struct virtnet_rx *rxvq);
	62
7c673cae	63	#endif /* _VIRTIO_RXTX_H_ */