1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /* Copyright (c) 2020 Marvell International Ltd. All rights reserved. */
3 
4 #ifndef __PRESTERA_DSA_H_
5 #define __PRESTERA_DSA_H_
6 
7 #include <linux/types.h>
8 
9 #define PRESTERA_DSA_HLEN	16
10 
11 enum prestera_dsa_cmd {
12 	/* DSA command is "To CPU" */
13 	PRESTERA_DSA_CMD_TO_CPU = 0,
14 
15 	/* DSA command is "From CPU" */
16 	PRESTERA_DSA_CMD_FROM_CPU,
17 };
18 
19 struct prestera_dsa_vlan {
20 	u16 vid;
21 	u8 vpt;
22 	u8 cfi_bit;
23 	bool is_tagged;
24 };
25 
26 struct prestera_dsa {
27 	struct prestera_dsa_vlan vlan;
28 	u32 hw_dev_num;
29 	u32 port_num;
30 	u8 cpu_code;
31 };
32 
33 int prestera_dsa_parse(struct prestera_dsa *dsa, const u8 *dsa_buf);
34 int prestera_dsa_build(const struct prestera_dsa *dsa, u8 *dsa_buf);
35 
36 #endif /* _PRESTERA_DSA_H_ */
37