aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/thunderx/base/nicvf_bsvf.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/thunderx/base/nicvf_bsvf.h')
-rw-r--r--drivers/net/thunderx/base/nicvf_bsvf.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/net/thunderx/base/nicvf_bsvf.h b/drivers/net/thunderx/base/nicvf_bsvf.h
new file mode 100644
index 00000000..5d5a25e2
--- /dev/null
+++ b/drivers/net/thunderx/base/nicvf_bsvf.h
@@ -0,0 +1,76 @@
+/*
+ * 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_BSVF_H__
+#define __THUNDERX_NICVF_BSVF_H__
+
+#include <sys/queue.h>
+
+struct nicvf;
+
+/**
+ * The base queue structure to hold secondary qsets.
+ */
+struct svf_entry {
+ SIMPLEQ_ENTRY(svf_entry) next; /**< Next element's pointer */
+ struct nicvf *vf; /**< Holder of a secondary qset */
+};
+
+/**
+ * Enqueue new entry to secondary qsets.
+ *
+ * @param entry
+ * Entry to be enqueued.
+ */
+void
+nicvf_bsvf_push(struct svf_entry *entry);
+
+/**
+ * Dequeue an entry from secondary qsets.
+ *
+ * @return
+ * Dequeued entry.
+ */
+struct svf_entry *
+nicvf_bsvf_pop(void);
+
+/**
+ * Check if the queue of secondary qsets is empty.
+ *
+ * @return
+ * 0 on non-empty
+ * otherwise empty
+ */
+int
+nicvf_bsvf_empty(void);
+
+#endif /* __THUNDERX_NICVF_BSVF_H__ */