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