68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2023 Broadcom
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* All rights reserved.
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*/
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#ifndef _ULP_UDCC_H_
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#define _ULP_UDCC_H_
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#include <linux/rhashtable.h>
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#include <linux/refcount.h>
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struct bnxt_ulp_udcc_v6_subnet_key {
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u16 src_fid;
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struct in6_addr dst;
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struct in6_addr dmsk;
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};
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struct bnxt_ulp_udcc_v6_subnet_data {
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u8 dmac[ETH_ALEN];
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u8 smac[ETH_ALEN];
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u16 subnet_hndl; /* Template FDB needs this to flush */
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};
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struct bnxt_ulp_udcc_v6_subnet_node {
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struct bnxt_ulp_udcc_v6_subnet_key key;
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struct rhash_head node;
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struct bnxt_ulp_udcc_v6_subnet_data data;
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refcount_t ref;
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};
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#if defined(CONFIG_BNXT_FLOWER_OFFLOAD)
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/* Add subnet in the hash table
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* @key[in]: Key struct with src_fid, prefix and mask
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* @data[in]: pointer to data to store in the subnet node
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* return 0 on success and -ve on failure
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*/
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int bnxt_ulp_udcc_v6_subnet_add(struct bnxt *bp,
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u16 *src_fid, u8 *v6dst, u8 *v6msk,
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u8 *dmac, u8 *smac,
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u16 *subnet_hndl);
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/* Delete subnet in the hash table by handl
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* ULP template handler can clean resource by hndl ONLY
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* @subnet_hndl[in]: ULP template resource handle
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* @retuns 0 on success and -ve on failure
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*/
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int bnxt_ulp_udcc_v6_subnet_del(struct bnxt *bp, u16 subnet_hndl);
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/* Subnet Checking for UDCC application
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* @src_fid[in]: FID of the function
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* @dst[in]: Dest IPv6
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* @dmac[out]: pointer to modify dmac
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* @smac[out]: pointer to modify smac
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* @returns:
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* 0 when a valid subnet with modify dmac and smac is found,
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* -ENOENT when subnet is NOT found,
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* -EPERM the subnets modify dmac/smac are invalid (e.g. VFtoVF)
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* -ve on other failures
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*/
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int bnxt_ulp_udcc_v6_subnet_check(struct bnxt *bp,
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u16 src_fid,
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const struct in6_addr *dst,
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u8 *dmac, u8 *smac);
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#endif /* #if defined(CONFIG_BNXT_FLOWER_OFFLOAD) */
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#endif /* #ifndef _ULP_UDCC_H_ */
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