X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc_rx.h;h=697ea29d625cf26af1ff5221376adef9402ecc2b;hb=d133f4cdb706601604d0a5eef814ef2546579aa3;hp=2e27b5345b8b2c45a711070cbaf259a4c54cc648;hpb=a8e64c6b455f4dd0b39f256e02f73401ce3cd09c;p=dpdk.git diff --git a/drivers/net/sfc/sfc_rx.h b/drivers/net/sfc/sfc_rx.h index 2e27b5345b..697ea29d62 100644 --- a/drivers/net/sfc/sfc_rx.h +++ b/drivers/net/sfc/sfc_rx.h @@ -1,51 +1,152 @@ -/*- - * Copyright (c) 2016 Solarflare Communications Inc. - * All rights reserved. +/* SPDX-License-Identifier: BSD-3-Clause + * + * Copyright(c) 2019-2020 Xilinx, Inc. + * Copyright(c) 2016-2019 Solarflare Communications Inc. * * This software was jointly developed between OKTET Labs (under contract * for Solarflare) and Solarflare Communications, Inc. - * - * 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 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 _SFC_RX_H #define _SFC_RX_H +#include +#include +#include + +#include "efx.h" + +#include "sfc_dp_rx.h" + #ifdef __cplusplus extern "C" { #endif struct sfc_adapter; +struct sfc_evq; + +/** + * Software Rx descriptor information associated with hardware Rx + * descriptor. + */ +struct sfc_efx_rx_sw_desc { + struct rte_mbuf *mbuf; + unsigned int flags; + unsigned int size; +}; + +/** Receive queue state bits */ +enum sfc_rxq_state_bit { + SFC_RXQ_INITIALIZED_BIT = 0, +#define SFC_RXQ_INITIALIZED (1 << SFC_RXQ_INITIALIZED_BIT) + SFC_RXQ_STARTED_BIT, +#define SFC_RXQ_STARTED (1 << SFC_RXQ_STARTED_BIT) + SFC_RXQ_FLUSHING_BIT, +#define SFC_RXQ_FLUSHING (1 << SFC_RXQ_FLUSHING_BIT) + SFC_RXQ_FLUSHED_BIT, +#define SFC_RXQ_FLUSHED (1 << SFC_RXQ_FLUSHED_BIT) + SFC_RXQ_FLUSH_FAILED_BIT, +#define SFC_RXQ_FLUSH_FAILED (1 << SFC_RXQ_FLUSH_FAILED_BIT) +}; + +/** + * Receive queue control primary process-only information. + */ +struct sfc_rxq { + struct sfc_evq *evq; + efx_rxq_t *common; + efsys_mem_t mem; + unsigned int hw_index; + uint16_t buf_size; +}; + +struct sfc_rxq *sfc_rxq_by_dp_rxq(const struct sfc_dp_rxq *dp_rxq); + +/** + * Receive queue information used on libefx-based data path. + * Allocated on the socket specified on the queue setup. + */ +struct sfc_efx_rxq { + /* Used on data path */ + struct sfc_evq *evq; + unsigned int flags; +#define SFC_EFX_RXQ_FLAG_STARTED 0x1 +#define SFC_EFX_RXQ_FLAG_RUNNING 0x2 +#define SFC_EFX_RXQ_FLAG_RSS_HASH 0x4 +#define SFC_EFX_RXQ_FLAG_INTR_EN 0x8 + unsigned int ptr_mask; + unsigned int pending; + unsigned int completed; + uint16_t batch_max; + uint16_t prefix_size; + struct sfc_efx_rx_sw_desc *sw_desc; + + /* Used on refill */ + unsigned int added; + unsigned int pushed; + unsigned int max_fill_level; + unsigned int refill_threshold; + uint16_t buf_size; + struct rte_mempool *refill_mb_pool; + efx_rxq_t *common; + + /* Datapath receive queue anchor */ + struct sfc_dp_rxq dp; +}; + +static inline struct sfc_efx_rxq * +sfc_efx_rxq_by_dp_rxq(struct sfc_dp_rxq *dp_rxq) +{ + return container_of(dp_rxq, struct sfc_efx_rxq, dp); +} /** * Receive queue information used during setup/release only. * Allocated on the same socket as adapter data. */ struct sfc_rxq_info { + unsigned int state; unsigned int max_entries; + unsigned int entries; + efx_rxq_type_t type; + unsigned int type_flags; + struct sfc_dp_rxq *dp; + boolean_t deferred_start; + boolean_t deferred_started; + unsigned int refill_threshold; + struct rte_mempool *refill_mb_pool; }; -int sfc_rx_init(struct sfc_adapter *sa); -void sfc_rx_fini(struct sfc_adapter *sa); +struct sfc_rxq_info *sfc_rxq_info_by_dp_rxq(const struct sfc_dp_rxq *dp_rxq); + +int sfc_rx_configure(struct sfc_adapter *sa); +void sfc_rx_close(struct sfc_adapter *sa); +int sfc_rx_start(struct sfc_adapter *sa); +void sfc_rx_stop(struct sfc_adapter *sa); + +int sfc_rx_qinit(struct sfc_adapter *sa, unsigned int rx_queue_id, + uint16_t nb_rx_desc, unsigned int socket_id, + const struct rte_eth_rxconf *rx_conf, + struct rte_mempool *mb_pool); +void sfc_rx_qfini(struct sfc_adapter *sa, unsigned int sw_index); +int sfc_rx_qstart(struct sfc_adapter *sa, unsigned int sw_index); +void sfc_rx_qstop(struct sfc_adapter *sa, unsigned int sw_index); + +uint64_t sfc_rx_get_dev_offload_caps(struct sfc_adapter *sa); +uint64_t sfc_rx_get_queue_offload_caps(struct sfc_adapter *sa); + +void sfc_rx_qflush_done(struct sfc_rxq_info *rxq_info); +void sfc_rx_qflush_failed(struct sfc_rxq_info *rxq_info); + +int sfc_rx_hash_init(struct sfc_adapter *sa); +void sfc_rx_hash_fini(struct sfc_adapter *sa); +int sfc_rx_hf_rte_to_efx(struct sfc_adapter *sa, uint64_t rte, + efx_rx_hash_type_t *efx); +uint64_t sfc_rx_hf_efx_to_rte(struct sfc_rss *rss, efx_rx_hash_type_t efx); +boolean_t sfc_rx_check_scatter(size_t pdu, size_t rx_buf_size, + uint32_t rx_prefix_size, + boolean_t rx_scatter_enabled, + const char **error); #ifdef __cplusplus }