Imported Upstream version 16.07-rc1

[deb_dpdk.git] / 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 (file)
index 0000000..2176aca
--- /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