numam-dpdk/drivers/net/bnxt/bnxt_ring.h
Olivier Matz 42b8835358 net/bnxt: use new API to get IOVA address
Replace internal functions to get DMA address them with their generic
IOVA version. Also rename the 'data' variable to 'mbuf' for more
readability.

Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
Acked-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
2018-01-16 18:47:49 +01:00

103 lines
3.3 KiB
C

/*-
* 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
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* 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