Imported Upstream version 16.07-rc1

[deb_dpdk.git] / drivers / net / bnxt / bnxt_txq.h

diff --git a/drivers/net/bnxt/bnxt_txq.h b/drivers/net/bnxt/bnxt_txq.h
new file mode 100644 (file)
index 0000000..16f3a0b
--- /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