xref: /linux/drivers/net/dsa/mv88e6xxx/tcam.h (revision 0fc8f6200d2313278fbf4539bbab74677c685531)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 
3 /*
4  * Copyright (c) 2026 Luminex Network Intelligence
5  */
6 #ifndef _MV88E6XXX_TCAM_H_
7 #define _MV88E6XXX_TCAM_H_
8 
9 #define PAGE0_MATCH_SIZE 22
10 #define PAGE1_MATCH_SIZE 26
11 
12 #define DPV_MODE_NOP		0x0
13 #define DPV_MODE_AND		0x1
14 #define DPV_MODE_OR		0x2
15 #define DPV_MODE_REPLACE	0x3
16 
17 int mv88e6xxx_tcam_entry_add(struct mv88e6xxx_chip *chip,
18 			     struct mv88e6xxx_tcam_entry *entry);
19 int mv88e6xxx_tcam_entry_del(struct mv88e6xxx_chip *chip,
20 			     struct mv88e6xxx_tcam_entry *entry);
21 struct mv88e6xxx_tcam_entry *
22 mv88e6xxx_tcam_entry_find(struct mv88e6xxx_chip *chip, unsigned long cookie);
23 #define mv88e6xxx_tcam_match_set(key, _offset, data, mask) \
24 	do { \
25 		typeof(_offset) (offset) = (_offset); \
26 		BUILD_BUG_ON((offset) + sizeof((data)) > TCAM_MATCH_SIZE); \
27 		__mv88e6xxx_tcam_match_set(key, offset, sizeof(data), \
28 					   (u8 *)&(data), (u8 *)&(mask)); \
29 	} while (0)
30 
31 static inline void __mv88e6xxx_tcam_match_set(struct mv88e6xxx_tcam_key *key,
32 					      unsigned int offset, size_t size,
33 					      u8 *data, u8 *mask)
34 {
35 	memcpy(&key->frame_data[offset], data, size);
36 	memcpy(&key->frame_mask[offset], mask, size);
37 }
38 
39 extern const struct mv88e6xxx_tcam_ops mv88e6390_tcam_ops;
40 extern const struct mv88e6xxx_tcam_ops mv88e6393_tcam_ops;
41 #endif
42