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/*-
* BSD LICENSE
*
* Copyright(c) Broadcom Limited.
* 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 Broadcom 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 _BNXT_RING_H_
#define _BNXT_RING_H_
#include <inttypes.h>
#include <rte_memory.h>
#define RING_NEXT(ring, idx) (((idx) + 1) & (ring)->ring_mask)
#define DB_IDX_MASK 0xffffff
#define DB_IDX_VALID (0x1 << 26)
#define DB_IRQ_DIS (0x1 << 27)
#define DB_KEY_TX (0x0 << 28)
#define DB_KEY_RX (0x1 << 28)
#define DB_KEY_CP (0x2 << 28)
#define DB_KEY_ST (0x3 << 28)
#define DB_KEY_TX_PUSH (0x4 << 28)
#define DB_LONG_TX_PUSH (0x2 << 24)
#define DEFAULT_CP_RING_SIZE 256
#define DEFAULT_RX_RING_SIZE 256
#define DEFAULT_TX_RING_SIZE 256
#define BNXT_TPA_MAX 64
#define AGG_RING_SIZE_FACTOR 2
/* These assume 4k pages */
#define MAX_RX_DESC_CNT (8 * 1024)
#define MAX_TX_DESC_CNT (4 * 1024)
#define MAX_CP_DESC_CNT (16 * 1024)
#define INVALID_HW_RING_ID ((uint16_t)-1)
#define INVALID_STATS_CTX_ID ((uint16_t)-1)
struct bnxt_ring {
void *bd;
rte_iova_t bd_dma;
uint32_t ring_size;
uint32_t ring_mask;
int vmem_size;
void **vmem;
uint16_t fw_ring_id; /* Ring id filled by Chimp FW */
const void *mem_zone;
};
struct bnxt_ring_grp_info {
uint16_t fw_stats_ctx;
uint16_t fw_grp_id;
uint16_t rx_fw_ring_id;
uint16_t cp_fw_ring_id;
uint16_t ag_fw_ring_id;
};
struct bnxt;
struct bnxt_tx_ring_info;
struct bnxt_rx_ring_info;
struct bnxt_cp_ring_info;
void bnxt_free_ring(struct bnxt_ring *ring);
int bnxt_init_ring_grps(struct bnxt *bp);
int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
struct bnxt_tx_ring_info *tx_ring_info,
struct bnxt_rx_ring_info *rx_ring_info,
struct bnxt_cp_ring_info *cp_ring_info,
const char *suffix);
int bnxt_alloc_hwrm_rings(struct bnxt *bp);
#endif
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