diff options
Diffstat (limited to 'drivers/net/bnxt/bnxt_txq.h')
| -rw-r--r-- | drivers/net/bnxt/bnxt_txq.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/net/bnxt/bnxt_txq.h b/drivers/net/bnxt/bnxt_txq.h new file mode 100644 index 00000000..16f3a0bd --- /dev/null +++ b/drivers/net/bnxt/bnxt_txq.h @@ -0,0 +1,75 @@ +/*- + * 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 */ + uint8_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 |