1*4882a593Smuzhiyun /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ 2*4882a593Smuzhiyun /* Copyright (c) 2020 Marvell International Ltd. All rights reserved. */ 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun #ifndef __PRESTERA_DSA_H_ 5*4882a593Smuzhiyun #define __PRESTERA_DSA_H_ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #include <linux/types.h> 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #define PRESTERA_DSA_HLEN 16 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun enum prestera_dsa_cmd { 12*4882a593Smuzhiyun /* DSA command is "To CPU" */ 13*4882a593Smuzhiyun PRESTERA_DSA_CMD_TO_CPU = 0, 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun /* DSA command is "From CPU" */ 16*4882a593Smuzhiyun PRESTERA_DSA_CMD_FROM_CPU, 17*4882a593Smuzhiyun }; 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun struct prestera_dsa_vlan { 20*4882a593Smuzhiyun u16 vid; 21*4882a593Smuzhiyun u8 vpt; 22*4882a593Smuzhiyun u8 cfi_bit; 23*4882a593Smuzhiyun bool is_tagged; 24*4882a593Smuzhiyun }; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun struct prestera_dsa { 27*4882a593Smuzhiyun struct prestera_dsa_vlan vlan; 28*4882a593Smuzhiyun u32 hw_dev_num; 29*4882a593Smuzhiyun u32 port_num; 30*4882a593Smuzhiyun }; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun int prestera_dsa_parse(struct prestera_dsa *dsa, const u8 *dsa_buf); 33*4882a593Smuzhiyun int prestera_dsa_build(const struct prestera_dsa *dsa, u8 *dsa_buf); 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun #endif /* _PRESTERA_DSA_H_ */ 36