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/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/* Copyright (c) 2019-2021 Marvell International Ltd. All rights reserved. */
#ifndef _PRESTERA_ROUTER_HW_H_
#define _PRESTERA_ROUTER_HW_H_
struct prestera_vr {
struct list_head router_node;
refcount_t refcount;
u32 tb_id; /* key (kernel fib table id) */
u16 hw_vr_id; /* virtual router ID */
u8 __pad[2];
};
struct prestera_rif_entry {
struct prestera_rif_entry_key {
struct prestera_iface iface;
} key;
struct prestera_vr *vr;
unsigned char addr[ETH_ALEN];
u16 hw_id; /* rif_id */
struct list_head router_node; /* ht */
};
struct prestera_ip_addr {
union {
__be32 ipv4;
struct in6_addr ipv6;
} u;
enum {
PRESTERA_IPV4 = 0,
PRESTERA_IPV6
} v;
};
struct prestera_fib_key {
struct prestera_ip_addr addr;
u32 prefix_len;
u32 tb_id;
};
struct prestera_fib_info {
struct prestera_vr *vr;
struct list_head vr_node;
enum prestera_fib_type {
PRESTERA_FIB_TYPE_INVALID = 0,
/* It can be connected route
* and will be overlapped with neighbours
*/
PRESTERA_FIB_TYPE_TRAP,
PRESTERA_FIB_TYPE_DROP
} type;
};
struct prestera_fib_node {
struct rhash_head ht_node; /* node of prestera_vr */
struct prestera_fib_key key;
struct prestera_fib_info info; /* action related info */
};
struct prestera_rif_entry *
prestera_rif_entry_find(const struct prestera_switch *sw,
const struct prestera_rif_entry_key *k);
void prestera_rif_entry_destroy(struct prestera_switch *sw,
struct prestera_rif_entry *e);
struct prestera_rif_entry *
prestera_rif_entry_create(struct prestera_switch *sw,
struct prestera_rif_entry_key *k,
u32 tb_id, const unsigned char *addr);
struct prestera_fib_node *prestera_fib_node_find(struct prestera_switch *sw,
struct prestera_fib_key *key);
void prestera_fib_node_destroy(struct prestera_switch *sw,
struct prestera_fib_node *fib_node);
struct prestera_fib_node *
prestera_fib_node_create(struct prestera_switch *sw,
struct prestera_fib_key *key,
enum prestera_fib_type fib_type);
int prestera_router_hw_init(struct prestera_switch *sw);
void prestera_router_hw_fini(struct prestera_switch *sw);
#endif /* _PRESTERA_ROUTER_HW_H_ */
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