X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc_tx.h;h=d0e751a26294ebbbfbf4ccd229c994a70637c678;hb=3ac83b1141cc9a636e0dc7cc23dcd1dc23b2df45;hp=f9eecc027606e9d407e3a44795cf5e2538dd1916;hpb=21f6411c893111507b0b8a1cc86aa15f9fb3da3d;p=dpdk.git diff --git a/drivers/net/sfc/sfc_tx.h b/drivers/net/sfc/sfc_tx.h index f9eecc0276..d0e751a262 100644 --- a/drivers/net/sfc/sfc_tx.h +++ b/drivers/net/sfc/sfc_tx.h @@ -1,55 +1,36 @@ -/*- - * Copyright (c) 2016 Solarflare Communications Inc. +/* SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 2016-2018 Solarflare Communications Inc. * All rights reserved. * * 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_TX_H #define _SFC_TX_H #include -#include +#include #include "efx.h" +#include "sfc_dp_tx.h" + #ifdef __cplusplus extern "C" { #endif -/** - * A segment must not cross 4K boundary - * (this is a requirement of NIC TX descriptors) - */ -#define SFC_TX_SEG_BOUNDARY 4096 - struct sfc_adapter; struct sfc_evq; -struct sfc_tx_sw_desc { +/** + * Software Tx descriptor information associated with hardware Tx + * descriptor. + */ +struct sfc_efx_tx_sw_desc { struct rte_mbuf *mbuf; + uint8_t *tsoh; /* Buffer to store TSO header */ }; enum sfc_txq_state_bit { @@ -57,58 +38,98 @@ enum sfc_txq_state_bit { #define SFC_TXQ_INITIALIZED (1 << SFC_TXQ_INITIALIZED_BIT) SFC_TXQ_STARTED_BIT, #define SFC_TXQ_STARTED (1 << SFC_TXQ_STARTED_BIT) - SFC_TXQ_RUNNING_BIT, -#define SFC_TXQ_RUNNING (1 << SFC_TXQ_RUNNING_BIT) SFC_TXQ_FLUSHING_BIT, #define SFC_TXQ_FLUSHING (1 << SFC_TXQ_FLUSHING_BIT) SFC_TXQ_FLUSHED_BIT, #define SFC_TXQ_FLUSHED (1 << SFC_TXQ_FLUSHED_BIT) + SFC_TXQ_FLUSH_FAILED_BIT, +#define SFC_TXQ_FLUSH_FAILED (1 << SFC_TXQ_FLUSH_FAILED_BIT) }; +/** + * Transmit queue control primary process-only information. + * Not used on datapath. + */ struct sfc_txq { - struct sfc_evq *evq; - struct sfc_tx_sw_desc *sw_ring; - unsigned int state; - unsigned int ptr_mask; - efx_desc_t *pend_desc; - efx_txq_t *common; - efsys_mem_t mem; - unsigned int added; - unsigned int pending; - unsigned int completed; - unsigned int free_thresh; + unsigned int hw_index; + struct sfc_evq *evq; + efsys_mem_t mem; + efx_txq_t *common; +}; + +struct sfc_txq *sfc_txq_by_dp_txq(const struct sfc_dp_txq *dp_txq); - unsigned int hw_index; - unsigned int flags; +/** + * Transmit queue information used on libefx-based data path. + * Allocated on the socket specified on the queue setup. + */ +struct sfc_efx_txq { + struct sfc_evq *evq; + struct sfc_efx_tx_sw_desc *sw_ring; + unsigned int ptr_mask; + efx_desc_t *pend_desc; + efx_txq_t *common; + unsigned int added; + unsigned int pending; + unsigned int completed; + unsigned int max_fill_level; + unsigned int free_thresh; + uint16_t hw_vlan_tci; + uint16_t dma_desc_size_max; + + unsigned int hw_index; + unsigned int flags; +#define SFC_EFX_TXQ_FLAG_STARTED 0x1 +#define SFC_EFX_TXQ_FLAG_RUNNING 0x2 + + /* Datapath transmit queue anchor */ + struct sfc_dp_txq dp; }; -static inline unsigned int -sfc_txq_sw_index(const struct sfc_txq *txq) +static inline struct sfc_efx_txq * +sfc_efx_txq_by_dp_txq(struct sfc_dp_txq *dp_txq) { - return txq->hw_index; + return container_of(dp_txq, struct sfc_efx_txq, dp); } struct sfc_txq_info { + unsigned int state; unsigned int entries; - struct sfc_txq *txq; + struct sfc_dp_txq *dp; + boolean_t deferred_start; + boolean_t deferred_started; + unsigned int free_thresh; + uint64_t offloads; }; -int sfc_tx_init(struct sfc_adapter *sa); -void sfc_tx_fini(struct sfc_adapter *sa); +struct sfc_txq_info *sfc_txq_info_by_dp_txq(const struct sfc_dp_txq *dp_txq); + +int sfc_tx_configure(struct sfc_adapter *sa); +void sfc_tx_close(struct sfc_adapter *sa); int sfc_tx_qinit(struct sfc_adapter *sa, unsigned int sw_index, uint16_t nb_tx_desc, unsigned int socket_id, const struct rte_eth_txconf *tx_conf); void sfc_tx_qfini(struct sfc_adapter *sa, unsigned int sw_index); -void sfc_tx_qflush_done(struct sfc_txq *txq); +void sfc_tx_qflush_done(struct sfc_txq_info *txq_info); int sfc_tx_qstart(struct sfc_adapter *sa, unsigned int sw_index); void sfc_tx_qstop(struct sfc_adapter *sa, unsigned int sw_index); int sfc_tx_start(struct sfc_adapter *sa); void sfc_tx_stop(struct sfc_adapter *sa); -uint16_t sfc_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, - uint16_t nb_pkts); +uint64_t sfc_tx_get_dev_offload_caps(struct sfc_adapter *sa); +uint64_t sfc_tx_get_queue_offload_caps(struct sfc_adapter *sa); + +/* From 'sfc_tso.c' */ +int sfc_efx_tso_alloc_tsoh_objs(struct sfc_efx_tx_sw_desc *sw_ring, + unsigned int txq_entries, + unsigned int socket_id); +void sfc_efx_tso_free_tsoh_objs(struct sfc_efx_tx_sw_desc *sw_ring, + unsigned int txq_entries); +int sfc_efx_tso_do(struct sfc_efx_txq *txq, unsigned int idx, + struct rte_mbuf **in_seg, size_t *in_off, efx_desc_t **pend, + unsigned int *pkt_descs, size_t *pkt_len); #ifdef __cplusplus }