1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __LINUX_TC_PED_H
3 #define __LINUX_TC_PED_H
4 
5 #include <linux/types.h>
6 #include <linux/pkt_cls.h>
7 
8 #define TCA_ACT_PEDIT 7
9 
10 enum {
11 	TCA_PEDIT_UNSPEC,
12 	TCA_PEDIT_TM,
13 	TCA_PEDIT_PARMS,
14 	TCA_PEDIT_PAD,
15 	TCA_PEDIT_PARMS_EX,
16 	TCA_PEDIT_KEYS_EX,
17 	TCA_PEDIT_KEY_EX,
18 	__TCA_PEDIT_MAX
19 };
20 
21 #define TCA_PEDIT_MAX (__TCA_PEDIT_MAX - 1)
22 
23 enum {
24 	TCA_PEDIT_KEY_EX_HTYPE = 1,
25 	TCA_PEDIT_KEY_EX_CMD = 2,
26 	__TCA_PEDIT_KEY_EX_MAX
27 };
28 
29 #define TCA_PEDIT_KEY_EX_MAX (__TCA_PEDIT_KEY_EX_MAX - 1)
30 
31  /* TCA_PEDIT_KEY_EX_HDR_TYPE_NETWROK is a special case for legacy users. It
32   * means no specific header type - offset is relative to the network layer
33   */
34 enum pedit_header_type {
35 	TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK = 0,
36 	TCA_PEDIT_KEY_EX_HDR_TYPE_ETH = 1,
37 	TCA_PEDIT_KEY_EX_HDR_TYPE_IP4 = 2,
38 	TCA_PEDIT_KEY_EX_HDR_TYPE_IP6 = 3,
39 	TCA_PEDIT_KEY_EX_HDR_TYPE_TCP = 4,
40 	TCA_PEDIT_KEY_EX_HDR_TYPE_UDP = 5,
41 	__PEDIT_HDR_TYPE_MAX,
42 };
43 
44 #define TCA_PEDIT_HDR_TYPE_MAX (__PEDIT_HDR_TYPE_MAX - 1)
45 
46 enum pedit_cmd {
47 	TCA_PEDIT_KEY_EX_CMD_SET = 0,
48 	TCA_PEDIT_KEY_EX_CMD_ADD = 1,
49 	__PEDIT_CMD_MAX,
50 };
51 
52 #define TCA_PEDIT_CMD_MAX (__PEDIT_CMD_MAX - 1)
53 
54 struct tc_pedit_key {
55 	__u32           mask;  /* AND */
56 	__u32           val;   /*XOR */
57 	__u32           off;  /*offset */
58 	__u32           at;
59 	__u32           offmask;
60 	__u32           shift;
61 };
62 
63 struct tc_pedit_sel {
64 	tc_gen;
65 	unsigned char           nkeys;
66 	unsigned char           flags;
67 	struct tc_pedit_key     keys[0];
68 };
69 
70 #define tc_pedit tc_pedit_sel
71 
72 #endif
73