New upstream version 18.11-rc1

[deb_dpdk.git] / drivers / net / octeontx / octeontx_rxtx.h

diff --git a/drivers/net/octeontx/octeontx_rxtx.h b/drivers/net/octeontx/octeontx_rxtx.h
index 382ff2b..d0d73b3 100644 (file)
--- a/drivers/net/octeontx/octeontx_rxtx.h
+++ b/drivers/net/octeontx/octeontx_rxtx.h
@@ -1,39 +1,11 @@
-/*
- *   BSD LICENSE
- *
- *   Copyright (C) Cavium Inc. 2017. 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 Cavium networks 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Cavium, Inc
  */
 
 #ifndef        __OCTEONTX_RXTX_H__
 #define        __OCTEONTX_RXTX_H__
 
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
 
 #ifndef __hot
 #define __hot  __attribute__((hot))
@@ -128,6 +100,39 @@ ptype_table[PTYPE_SIZE][PTYPE_SIZE][PTYPE_SIZE] = {
 
 };
 
+static __rte_always_inline int
+__octeontx_xmit_pkts(void *lmtline_va, void *ioreg_va, int64_t *fc_status_va,
+                       struct rte_mbuf *tx_pkt)
+{
+       uint64_t cmd_buf[4] __rte_cache_aligned;
+       uint16_t gaura_id;
+
+       if (unlikely(*((volatile int64_t *)fc_status_va) < 0))
+               return -ENOSPC;
+
+       /* Get the gaura Id */
+       gaura_id = octeontx_fpa_bufpool_gpool((uintptr_t)tx_pkt->pool->pool_id);
+
+       /* Setup PKO_SEND_HDR_S */
+       cmd_buf[0] = tx_pkt->data_len & 0xffff;
+       cmd_buf[1] = 0x0;
+
+       /* Set don't free bit if reference count > 1 */
+       if (rte_mbuf_refcnt_read(tx_pkt) > 1)
+               cmd_buf[0] |= (1ULL << 58); /* SET DF */
+
+       /* Setup PKO_SEND_GATHER_S */
+       cmd_buf[(1 << 1) | 1] = rte_mbuf_data_iova(tx_pkt);
+       cmd_buf[(1 << 1) | 0] = PKO_SEND_GATHER_SUBDC |
+                               PKO_SEND_GATHER_LDTYPE(0x1ull) |
+                               PKO_SEND_GATHER_GAUAR((long)gaura_id) |
+                               tx_pkt->data_len;
+
+       octeontx_reg_lmtst(lmtline_va, ioreg_va, cmd_buf, PKO_CMD_SZ);
+
+       return 0;
+}
+
 uint16_t
 octeontx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts);