net/thunderx: add functions to store qsets

These functions (nicvf_svf) are DPDK specialization of base/nicvf_bsvf.[ch]
ones.

Signed-off-by: Maciej Czekaj <maciej.czekaj@caviumnetworks.com>
Signed-off-by: Kamil Rytarowski <kamil.rytarowski@caviumnetworks.com>
Signed-off-by: Zyta Szpak <zyta.szpak@semihalf.com>
Signed-off-by: Slawomir Rosek <slawomir.rosek@semihalf.com>
Signed-off-by: Radoslaw Biernacki <rad@semihalf.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>

diff --git a/drivers/net/thunderx/Makefile b/drivers/net/thunderx/Makefile
index 711400a..bcab5f9 100644 (file)
--- a/drivers/net/thunderx/Makefile
+++ b/drivers/net/thunderx/Makefile
@@ -58,6 +58,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD) += nicvf_hw.c
 SRCS-$(CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD) += nicvf_mbox.c
 SRCS-$(CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD) += nicvf_ethdev.c
 SRCS-$(CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD) += nicvf_bsvf.c
+SRCS-$(CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD) += nicvf_svf.c
 
 ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y)
 CFLAGS_nicvf_rxtx.o += -fno-prefetch-loop-arrays

diff --git a/drivers/net/thunderx/nicvf_svf.c b/drivers/net/thunderx/nicvf_svf.c
new file mode 100644 (file)
index 0000000..f746e94
--- /dev/null
+++ b/drivers/net/thunderx/nicvf_svf.c
@@ -0,0 +1,78 @@
+/*
+ *   BSD LICENSE
+ *
+ *   Copyright (C) Cavium networks Ltd. 2016.
+ *
+ *   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.
+ */
+
+#include <assert.h>
+#include <stddef.h>
+
+#include <rte_debug.h>
+#include <rte_malloc.h>
+
+#include "base/nicvf_bsvf.h"
+
+#include "nicvf_svf.h"
+
+void
+nicvf_svf_push(struct nicvf *vf)
+{
+       struct svf_entry *entry = NULL;
+
+       assert(vf != NULL);
+
+       entry = rte_zmalloc("nicvf", sizeof(*entry), RTE_CACHE_LINE_SIZE);
+       if (entry == NULL)
+               rte_panic("Cannoc allocate memory for svf_entry\n");
+
+       entry->vf = vf;
+
+       nicvf_bsvf_push(entry);
+}
+
+struct nicvf *
+nicvf_svf_pop(void)
+{
+       struct nicvf *vf;
+       struct svf_entry *entry;
+
+       entry = nicvf_bsvf_pop();
+
+       vf = entry->vf;
+
+       rte_free(entry);
+
+       return vf;
+}
+
+int
+nicvf_svf_empty(void)
+{
+       return nicvf_bsvf_empty();
+}

diff --git a/drivers/net/thunderx/nicvf_svf.h b/drivers/net/thunderx/nicvf_svf.h
new file mode 100644 (file)
index 0000000..6471aa5
--- /dev/null
+++ b/drivers/net/thunderx/nicvf_svf.h
@@ -0,0 +1,66 @@
+/*
+ *   BSD LICENSE
+ *
+ *   Copyright (C) Cavium networks Ltd. 2016.
+ *
+ *   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.
+ */
+
+#ifndef __THUNDERX_NICVF_SVF_H__
+#define __THUNDERX_NICVF_SVF_H__
+
+struct nicvf;
+
+/**
+ * Enqueue new VF to secondary qsets.
+ *
+ * @param entry
+ *   Entry to be enqueued.
+ */
+void
+nicvf_svf_push(struct nicvf *vf);
+
+/**
+ * Dequeue a VF from secondary qsets.
+ *
+ * @return
+ *   Dequeued entry.
+ */
+struct nicvf *
+nicvf_svf_pop(void);
+
+/**
+ * Check if the queue of secondary qsets is empty.
+ *
+ * @return
+ *   0 on non-empty
+ *   otherwise empty
+ */
+int
+nicvf_svf_empty(void);
+
+#endif /* __THUNDERX_NICVF_SVF_H__  */