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/*-
* 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_TXQ_H_
#define _BNXT_TXQ_H_
struct bnxt_tx_ring_info;
struct bnxt_cp_ring_info;
struct bnxt_tx_queue {
uint16_t nb_tx_desc; /* number of TX descriptors */
uint16_t tx_free_thresh;/* minimum TX before freeing */
/** Index to last TX descriptor to have been cleaned. */
uint16_t last_desc_cleaned;
/** Total number of TX descriptors ready to be allocated. */
uint16_t tx_next_dd; /* next desc to scan for DD bit */
uint16_t tx_next_rs; /* next desc to set RS bit */
uint16_t queue_id; /* TX queue index */
uint16_t reg_idx; /* TX queue register index */
uint16_t port_id; /* Device port identifier */
uint8_t pthresh; /* Prefetch threshold register */
uint8_t hthresh; /* Host threshold register */
uint8_t wthresh; /* Write-back threshold reg */
uint32_t txq_flags; /* Holds flags for this TXq */
uint32_t ctx_curr; /* Hardware context states */
uint8_t tx_deferred_start; /* not in global dev start */
struct bnxt *bp;
int index;
int tx_wake_thresh;
struct bnxt_tx_ring_info *tx_ring;
unsigned int cp_nr_rings;
struct bnxt_cp_ring_info *cp_ring;
};
void bnxt_free_txq_stats(struct bnxt_tx_queue *txq);
void bnxt_free_tx_mbufs(struct bnxt *bp);
void bnxt_tx_queue_release_op(void *tx_queue);
int bnxt_tx_queue_setup_op(struct rte_eth_dev *eth_dev,
uint16_t queue_idx,
uint16_t nb_desc,
unsigned int socket_id,
const struct rte_eth_txconf *tx_conf);
#endif
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