lib: use SPDX tag for Intel copyright files

[dpdk.git] / lib / librte_sched / rte_sched.c

diff --git a/lib/librte_sched/rte_sched.c b/lib/librte_sched/rte_sched.c
index e6dace2..ad2f7c6 100644 (file)
--- a/lib/librte_sched/rte_sched.c
+++ b/lib/librte_sched/rte_sched.c
@@ -1,34 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   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 Intel 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
  */
 
 #include <stdio.h>
@@ -42,9 +13,9 @@
 #include <rte_prefetch.h>
 #include <rte_branch_prediction.h>
 #include <rte_mbuf.h>
+#include <rte_bitmap.h>
 
 #include "rte_sched.h"
-#include "rte_bitmap.h"
 #include "rte_sched_common.h"
 #include "rte_approx.h"
 #include "rte_reciprocal.h"
@@ -56,8 +27,10 @@
 #ifdef RTE_SCHED_VECTOR
 #include <rte_vect.h>
 
-#if defined(__SSE4__)
+#ifdef RTE_ARCH_X86
 #define SCHED_VECTOR_SSE4
+#elif defined(RTE_MACHINE_CPUFLAG_NEON)
+#define SCHED_VECTOR_NEON
 #endif
 
 #endif
@@ -735,12 +708,14 @@ void
 rte_sched_port_free(struct rte_sched_port *port)
 {
        uint32_t qindex;
-       uint32_t n_queues_per_port = rte_sched_port_queues_per_port(port);
+       uint32_t n_queues_per_port;
 
        /* Check user parameters */
        if (port == NULL)
                return;
 
+       n_queues_per_port = rte_sched_port_queues_per_port(port);
+
        /* Free enqueued mbufs */
        for (qindex = 0; qindex < n_queues_per_port; qindex++) {
                struct rte_mbuf **mbufs = rte_sched_port_qbase(port, qindex);
@@ -1016,7 +991,7 @@ rte_sched_subport_read_stats(struct rte_sched_port *port,
        memcpy(stats, &s->stats, sizeof(struct rte_sched_subport_stats));
        memset(&s->stats, 0, sizeof(struct rte_sched_subport_stats));
 
-       /* Subport TC ovesubscription status */
+       /* Subport TC oversubscription status */
        *tc_ov = s->tc_ov;
 
        return 0;
@@ -1730,6 +1705,26 @@ grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe)
        return 1;
 }
 
+#elif defined(SCHED_VECTOR_NEON)
+
+static inline int
+grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe)
+{
+       uint32x4_t index, pipes;
+       uint32_t *pos = (uint32_t *)port->grinder_base_bmp_pos;
+
+       index = vmovq_n_u32(base_pipe);
+       pipes = vld1q_u32(pos);
+       if (!vminvq_u32(veorq_u32(pipes, index)))
+               return 1;
+
+       pipes = vld1q_u32(pos + 4);
+       if (!vminvq_u32(veorq_u32(pipes, index)))
+               return 1;
+
+       return 0;
+}
+
 #else
 
 static inline int