diff options
Diffstat (limited to 'drivers/net/sfc/sfc_dp_tx.h')
| -rw-r--r-- | drivers/net/sfc/sfc_dp_tx.h | 57 |
1 files changed, 32 insertions, 25 deletions
diff --git a/drivers/net/sfc/sfc_dp_tx.h b/drivers/net/sfc/sfc_dp_tx.h index 94d1b108..0c1aad90 100644 --- a/drivers/net/sfc/sfc_dp_tx.h +++ b/drivers/net/sfc/sfc_dp_tx.h @@ -1,38 +1,16 @@ -/*- - * BSD LICENSE +/* SPDX-License-Identifier: BSD-3-Clause * - * Copyright (c) 2016 Solarflare Communications Inc. + * 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_DP_TX_H #define _SFC_DP_TX_H -#include <rte_ethdev.h> +#include <rte_ethdev_driver.h> #include "sfc_dp.h" @@ -57,10 +35,14 @@ struct sfc_dp_txq { * readable. */ struct sfc_dp_tx_qcreate_info { + /** Maximum number of pushed Tx descriptors */ + unsigned int max_fill_level; /** Minimum number of unused Tx descriptors to do reap */ unsigned int free_thresh; /** Transmit queue configuration flags */ unsigned int flags; + /** Offloads enabled on the transmit queue */ + uint64_t offloads; /** Tx queue size */ unsigned int txq_entries; /** Maximum size of data in the DMA descriptor */ @@ -78,6 +60,29 @@ struct sfc_dp_tx_qcreate_info { }; /** + * Get Tx datapath specific device info. + * + * @param dev_info Device info to be adjusted + */ +typedef void (sfc_dp_tx_get_dev_info_t)(struct rte_eth_dev_info *dev_info); + +/** + * Get size of transmit and event queue rings by the number of Tx + * descriptors. + * + * @param nb_tx_desc Number of Tx descriptors + * @param txq_entries Location for number of Tx ring entries + * @param evq_entries Location for number of event ring entries + * @param txq_max_fill_level Location for maximum Tx ring fill level + * + * @return 0 or positive errno. + */ +typedef int (sfc_dp_tx_qsize_up_rings_t)(uint16_t nb_tx_desc, + unsigned int *txq_entries, + unsigned int *evq_entries, + unsigned int *txq_max_fill_level); + +/** * Allocate and initialize datapath transmit queue. * * @param port_id The port identifier @@ -144,6 +149,8 @@ struct sfc_dp_tx { #define SFC_DP_TX_FEAT_MULTI_PROCESS 0x8 #define SFC_DP_TX_FEAT_MULTI_POOL 0x10 #define SFC_DP_TX_FEAT_REFCNT 0x20 + sfc_dp_tx_get_dev_info_t *get_dev_info; + sfc_dp_tx_qsize_up_rings_t *qsize_up_rings; sfc_dp_tx_qcreate_t *qcreate; sfc_dp_tx_qdestroy_t *qdestroy; sfc_dp_tx_qstart_t *qstart; |