From 8b25d1ad5d2264bdfc2818c7bda74ee2697df6db Mon Sep 17 00:00:00 2001 From: Christian Ehrhardt Date: Wed, 6 Jul 2016 09:22:35 +0200 Subject: Imported Upstream version 16.07-rc1 Change-Id: I40a523e52f12e8496fdd69e902824b0226c303de Signed-off-by: Christian Ehrhardt --- drivers/net/bnxt/bnxt_txr.h | 71 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 drivers/net/bnxt/bnxt_txr.h (limited to 'drivers/net/bnxt/bnxt_txr.h') diff --git a/drivers/net/bnxt/bnxt_txr.h b/drivers/net/bnxt/bnxt_txr.h new file mode 100644 index 00000000..2176acaa --- /dev/null +++ b/drivers/net/bnxt/bnxt_txr.h @@ -0,0 +1,71 @@ +/*- + * 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_TXR_H_ +#define _BNXT_TXR_H_ + +#define MAX_TX_RINGS 16 +#define BNXT_TX_PUSH_THRESH 92 + +#define B_TX_DB(db, prod) \ + (*(uint32_t *)db = (DB_KEY_TX | prod)) + +struct bnxt_tx_ring_info { + uint16_t tx_prod; + uint16_t tx_cons; + void *tx_doorbell; + + struct tx_bd_long *tx_desc_ring; + struct bnxt_sw_tx_bd *tx_buf_ring; + + phys_addr_t tx_desc_mapping; + +#define BNXT_DEV_STATE_CLOSING 0x1 + uint32_t dev_state; + + struct bnxt_ring *tx_ring_struct; +}; + +struct bnxt_sw_tx_bd { + struct rte_mbuf *mbuf; /* mbuf associated with TX descriptor */ + uint8_t is_gso; + unsigned short nr_bds; +}; + +void bnxt_free_tx_rings(struct bnxt *bp); +int bnxt_init_one_tx_ring(struct bnxt_tx_queue *txq); +int bnxt_init_tx_ring_struct(struct bnxt_tx_queue *txq, unsigned int socket_id); +uint16_t bnxt_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts); + +#endif -- cgit 1.2.3-korg