New upstream version 18.08

[deb_dpdk.git] / drivers / net / cxgbe / clip_tbl.h

diff --git a/drivers/net/cxgbe/clip_tbl.h b/drivers/net/cxgbe/clip_tbl.h
new file mode 100644 (file)
index 0000000..737ccc6
--- /dev/null
+++ b/drivers/net/cxgbe/clip_tbl.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Chelsio Communications.
+ * All rights reserved.
+ */
+
+#ifndef _CXGBE_CLIP_H_
+#define _CXGBE_CLIP_H_
+
+/*
+ * State for the corresponding entry of the HW CLIP table.
+ */
+struct clip_entry {
+       enum filter_type type;       /* entry type */
+       u32 addr[4];                 /* IPV4 or IPV6 address */
+       rte_spinlock_t lock;         /* entry lock */
+       rte_atomic32_t refcnt;       /* entry reference count */
+};
+
+struct clip_tbl {
+       unsigned int clipt_start;     /* start index of CLIP table */
+       unsigned int clipt_size;      /* size of CLIP table */
+       rte_rwlock_t lock;            /* table rw lock */
+       struct clip_entry cl_list[0]; /* MUST BE LAST */
+};
+
+struct clip_tbl *t4_init_clip_tbl(unsigned int clipt_start,
+                                 unsigned int clipt_end);
+void t4_cleanup_clip_tbl(struct adapter *adap);
+struct clip_entry *cxgbe_clip_alloc(struct rte_eth_dev *dev, u32 *lip);
+void cxgbe_clip_release(struct rte_eth_dev *dev, struct clip_entry *ce);
+#endif /* _CXGBE_CLIP_H_ */