diff options
Diffstat (limited to 'drivers/net/bnxt/bnxt_ring.h')
| -rw-r--r-- | drivers/net/bnxt/bnxt_ring.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/net/bnxt/bnxt_ring.h b/drivers/net/bnxt/bnxt_ring.h new file mode 100644 index 00000000..8656549a --- /dev/null +++ b/drivers/net/bnxt/bnxt_ring.h @@ -0,0 +1,103 @@ +/*- + * 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 RTE_MBUF_DATA_DMA_ADDR(mb) \ + ((uint64_t)((mb)->buf_physaddr + (mb)->data_off)) + +#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 MAX_TPA 128 + +/* 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) + +struct bnxt_ring { + void *bd; + phys_addr_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); +void 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 |