3f2c1e209c
CLIP region holds destination IPv6 addresses to be matched for corresponding flows. Query firmware for CLIP resources and allocate table to manage them. Also update LE-TCAM to use CLIP to reduce number of slots needed to offload IPv6 flows. Signed-off-by: Shagun Agrawal <shaguna@chelsio.com> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
32 lines
1015 B
C
32 lines
1015 B
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2018 Chelsio Communications.
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* All rights reserved.
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*/
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#ifndef _CXGBE_CLIP_H_
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#define _CXGBE_CLIP_H_
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/*
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* State for the corresponding entry of the HW CLIP table.
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*/
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struct clip_entry {
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enum filter_type type; /* entry type */
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u32 addr[4]; /* IPV4 or IPV6 address */
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rte_spinlock_t lock; /* entry lock */
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rte_atomic32_t refcnt; /* entry reference count */
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};
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struct clip_tbl {
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unsigned int clipt_start; /* start index of CLIP table */
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unsigned int clipt_size; /* size of CLIP table */
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rte_rwlock_t lock; /* table rw lock */
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struct clip_entry cl_list[0]; /* MUST BE LAST */
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};
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struct clip_tbl *t4_init_clip_tbl(unsigned int clipt_start,
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unsigned int clipt_end);
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void t4_cleanup_clip_tbl(struct adapter *adap);
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struct clip_entry *cxgbe_clip_alloc(struct rte_eth_dev *dev, u32 *lip);
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void cxgbe_clip_release(struct rte_eth_dev *dev, struct clip_entry *ce);
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#endif /* _CXGBE_CLIP_H_ */
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