X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fbnxt%2Fbnxt_ring.h;h=daf980495614aa1f77a55fa9db025d0c54715886;hb=f0f5d844d138;hp=ac1ce2a57ccbb850b81bfbcb52399501eb175647;hpb=455da54539870b7ed67ea40527858566a6867d02;p=dpdk.git diff --git a/drivers/net/bnxt/bnxt_ring.h b/drivers/net/bnxt/bnxt_ring.h index ac1ce2a57c..daf9804956 100644 --- a/drivers/net/bnxt/bnxt_ring.h +++ b/drivers/net/bnxt/bnxt_ring.h @@ -1,34 +1,6 @@ -/*- - * 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Broadcom + * All rights reserved. */ #ifndef _BNXT_RING_H_ @@ -38,10 +10,8 @@ #include -#define RING_NEXT(ring, idx) (((idx) + 1) & (ring)->ring_mask) - -#define RTE_MBUF_DATA_DMA_ADDR(mb) \ - ((uint64_t)((mb)->buf_iova + (mb)->data_off)) +#define RING_ADV(ring, idx, n) (((idx) + (n)) & (ring)->ring_mask) +#define RING_NEXT(ring, idx) RING_ADV(ring, idx, 1) #define DB_IDX_MASK 0xffffff #define DB_IDX_VALID (0x1 << 26) @@ -57,8 +27,8 @@ #define DEFAULT_RX_RING_SIZE 256 #define DEFAULT_TX_RING_SIZE 256 -#define BNXT_TPA_MAX 64 #define AGG_RING_SIZE_FACTOR 2 +#define AGG_RING_MULTIPLIER 2 /* These assume 4k pages */ #define MAX_RX_DESC_CNT (8 * 1024) @@ -70,7 +40,7 @@ struct bnxt_ring { void *bd; - phys_addr_t bd_dma; + rte_iova_t bd_dma; uint32_t ring_size; uint32_t ring_mask; @@ -78,6 +48,7 @@ struct bnxt_ring { void **vmem; uint16_t fw_ring_id; /* Ring id filled by Chimp FW */ + uint16_t fw_rx_ring_id; const void *mem_zone; }; @@ -94,12 +65,65 @@ 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_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_tx_queue *txq, + struct bnxt_rx_queue *rxq, struct bnxt_cp_ring_info *cp_ring_info, + struct bnxt_cp_ring_info *nq_ring_info, const char *suffix); +int bnxt_alloc_hwrm_rx_ring(struct bnxt *bp, int queue_index); int bnxt_alloc_hwrm_rings(struct bnxt *bp); +int bnxt_alloc_async_cp_ring(struct bnxt *bp); +void bnxt_free_async_cp_ring(struct bnxt *bp); +int bnxt_alloc_async_ring_struct(struct bnxt *bp); +int bnxt_alloc_rxtx_nq_ring(struct bnxt *bp); +void bnxt_free_rxtx_nq_ring(struct bnxt *bp); + +static inline void bnxt_db_write(struct bnxt_db_info *db, uint32_t idx) +{ + rte_io_wmb(); + + if (db->db_64) + rte_write64_relaxed(db->db_key64 | idx, db->doorbell); + else + rte_write32_relaxed(db->db_key32 | idx, db->doorbell); +} + +/* Ring an NQ doorbell and disable interrupts for the ring. */ +static inline void bnxt_db_nq(struct bnxt_cp_ring_info *cpr) +{ + if (unlikely(!cpr->cp_db.db_64)) + return; + + rte_io_wmb(); + rte_write64_relaxed(cpr->cp_db.db_key64 | DBR_TYPE_NQ | + RING_CMP(cpr->cp_ring_struct, cpr->cp_raw_cons), + cpr->cp_db.doorbell); +} + +/* Ring an NQ doorbell and enable interrupts for the ring. */ +static inline void bnxt_db_nq_arm(struct bnxt_cp_ring_info *cpr) +{ + if (unlikely(!cpr->cp_db.db_64)) + return; + + rte_io_wmb(); + rte_write64_relaxed(cpr->cp_db.db_key64 | DBR_TYPE_NQ_ARM | + RING_CMP(cpr->cp_ring_struct, cpr->cp_raw_cons), + cpr->cp_db.doorbell); +} + +static inline void bnxt_db_cq(struct bnxt_cp_ring_info *cpr) +{ + struct bnxt_db_info *db = &cpr->cp_db; + uint32_t idx = RING_CMP(cpr->cp_ring_struct, cpr->cp_raw_cons); + + rte_compiler_barrier(); + if (db->db_64) + rte_write64_relaxed(db->db_key64 | idx, db->doorbell); + else + B_CP_DIS_DB(cpr, cpr->cp_raw_cons); +} #endif