root/drivers/net/ethernet/marvell/prestera/prestera_dsa.h
/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/* Copyright (c) 2020 Marvell International Ltd. All rights reserved. */

#ifndef __PRESTERA_DSA_H_
#define __PRESTERA_DSA_H_

#include <linux/types.h>

#define PRESTERA_DSA_HLEN       16

enum prestera_dsa_cmd {
        /* DSA command is "To CPU" */
        PRESTERA_DSA_CMD_TO_CPU = 0,

        /* DSA command is "From CPU" */
        PRESTERA_DSA_CMD_FROM_CPU,
};

struct prestera_dsa_vlan {
        u16 vid;
        u8 vpt;
        u8 cfi_bit;
        bool is_tagged;
};

struct prestera_dsa {
        struct prestera_dsa_vlan vlan;
        u32 hw_dev_num;
        u32 port_num;
        u8 cpu_code;
};

int prestera_dsa_parse(struct prestera_dsa *dsa, const u8 *dsa_buf);
int prestera_dsa_build(const struct prestera_dsa *dsa, u8 *dsa_buf);

#endif /* _PRESTERA_DSA_H_ */