-/*
- * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2008-2017 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
- *
- * Copyright (c) 2014, Cisco Systems, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. 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.
- *
- * 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 HOLDER 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 _VNIC_RQ_H_
#define _VNIC_RQ_H_
+#include <stdbool.h>
#include "vnic_dev.h"
#include "vnic_cq.h"
/* Receive queue control */
struct vnic_rq_ctrl {
- u64 ring_base; /* 0x00 */
- u32 ring_size; /* 0x08 */
- u32 pad0;
- u32 posted_index; /* 0x10 */
- u32 pad1;
- u32 cq_index; /* 0x18 */
- u32 pad2;
- u32 enable; /* 0x20 */
- u32 pad3;
- u32 running; /* 0x28 */
- u32 pad4;
- u32 fetch_index; /* 0x30 */
- u32 pad5;
- u32 error_interrupt_enable; /* 0x38 */
- u32 pad6;
- u32 error_interrupt_offset; /* 0x40 */
- u32 pad7;
- u32 error_status; /* 0x48 */
- u32 pad8;
- u32 tcp_sn; /* 0x50 */
- u32 pad9;
- u32 unused; /* 0x58 */
- u32 pad10;
- u32 dca_select; /* 0x60 */
- u32 pad11;
- u32 dca_value; /* 0x68 */
- u32 pad12;
- u32 data_ring; /* 0x70 */
- u32 pad13;
- u32 header_split; /* 0x78 */
- u32 pad14;
+ uint64_t ring_base; /* 0x00 */
+ uint32_t ring_size; /* 0x08 */
+ uint32_t pad0;
+ uint32_t posted_index; /* 0x10 */
+ uint32_t pad1;
+ uint32_t cq_index; /* 0x18 */
+ uint32_t pad2;
+ uint32_t enable; /* 0x20 */
+ uint32_t pad3;
+ uint32_t running; /* 0x28 */
+ uint32_t pad4;
+ uint32_t fetch_index; /* 0x30 */
+ uint32_t pad5;
+ uint32_t error_interrupt_enable; /* 0x38 */
+ uint32_t pad6;
+ uint32_t error_interrupt_offset; /* 0x40 */
+ uint32_t pad7;
+ uint32_t error_status; /* 0x48 */
+ uint32_t pad8;
+ uint32_t tcp_sn; /* 0x50 */
+ uint32_t pad9;
+ uint32_t unused; /* 0x58 */
+ uint32_t pad10;
+ uint32_t dca_select; /* 0x60 */
+ uint32_t pad11;
+ uint32_t dca_value; /* 0x68 */
+ uint32_t pad12;
+ uint32_t data_ring; /* 0x70 */
+ uint32_t pad13;
+ uint32_t header_split; /* 0x78 */
+ uint32_t pad14;
};
struct vnic_rq {
struct vnic_dev *vdev;
struct vnic_rq_ctrl __iomem *ctrl; /* memory-mapped */
struct vnic_dev_ring ring;
+ struct rte_mbuf **free_mbufs; /* reserve of free mbufs */
+ int num_free_mbufs;
struct rte_mbuf **mbuf_ring; /* array of allocated mbufs */
unsigned int mbuf_next_idx; /* next mb to consume */
void *os_buf_head;
uint16_t rxst_idx;
uint32_t tot_pkts;
uint16_t data_queue_idx;
+ uint8_t data_queue_enable;
uint8_t is_sop;
uint8_t in_use;
struct rte_mbuf *pkt_first_seg;
struct rte_mbuf *pkt_last_seg;
unsigned int max_mbufs_per_pkt;
uint16_t tot_nb_desc;
+ bool need_initial_post;
};
static inline unsigned int vnic_rq_desc_avail(struct vnic_rq *rq)