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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018 Chelsio Communications.
* All rights reserved.
*/
#ifndef _CXGBE_MPSTCAM_H_
#define _CXGBE_MPSTCAM_H_
#include "common.h"
enum {
MPS_ENTRY_UNUSED, /* Keep this first so memset 0 renders
* the correct state. Other states can
* be added in future like MPS_ENTRY_BUSY
* to reduce contention while mboxing
* the request to f/w or to denote attributes
* for a specific entry
*/
MPS_ENTRY_USED,
};
struct mps_tcam_entry {
u8 state;
u16 idx;
/* add data here which uniquely defines an entry */
u8 eth_addr[ETHER_ADDR_LEN];
u8 mask[ETHER_ADDR_LEN];
struct mpstcam_table *mpstcam; /* backptr */
rte_atomic32_t refcnt;
};
struct mpstcam_table {
u16 size;
rte_rwlock_t lock;
u16 free_idx; /* next free index */
bool full; /* since free index can be present
* anywhere in the table, size and
* free_idx cannot alone determine
* if the table is full
*/
struct mps_tcam_entry entry[0];
};
struct mpstcam_table *t4_init_mpstcam(struct adapter *adap);
void t4_cleanup_mpstcam(struct adapter *adap);
int cxgbe_mpstcam_alloc(struct port_info *pi, const u8 *mac, const u8 *mask);
int cxgbe_mpstcam_remove(struct port_info *pi, u16 idx);
int cxgbe_mpstcam_modify(struct port_info *pi, int idx, const u8 *addr);
#endif /* _CXGBE_MPSTCAM_H_ */
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