1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/* Copyright 2020 NXP */
3
4#ifndef __NET_TC_GATE_H
5#define __NET_TC_GATE_H
6
7#include <net/act_api.h>
8#include <linux/tc_act/tc_gate.h>
9
10struct action_gate_entry {
11 u8 gate_state;
12 u32 interval;
13 s32 ipv;
14 s32 maxoctets;
15};
16
17struct tcfg_gate_entry {
18 int index;
19 u8 gate_state;
20 u32 interval;
21 s32 ipv;
22 s32 maxoctets;
23 struct list_head list;
24};
25
26struct tcf_gate_params {
27 s32 tcfg_priority;
28 u64 tcfg_basetime;
29 u64 tcfg_cycletime;
30 u64 tcfg_cycletime_ext;
31 u32 tcfg_flags;
32 s32 tcfg_clockid;
33 size_t num_entries;
34 struct list_head entries;
35};
36
37#define GATE_ACT_GATE_OPEN BIT(0)
38#define GATE_ACT_PENDING BIT(1)
39
40struct tcf_gate {
41 struct tc_action common;
42 struct tcf_gate_params param;
43 u8 current_gate_status;
44 ktime_t current_close_time;
45 u32 current_entry_octets;
46 s32 current_max_octets;
47 struct tcfg_gate_entry *next_entry;
48 struct hrtimer hitimer;
49 enum tk_offsets tk_offset;
50};
51
52#define to_gate(a) ((struct tcf_gate *)a)
53
54static inline s32 tcf_gate_prio(const struct tc_action *a)
55{
56 s32 tcfg_prio;
57
58 tcfg_prio = to_gate(a)->param.tcfg_priority;
59
60 return tcfg_prio;
61}
62
63static inline u64 tcf_gate_basetime(const struct tc_action *a)
64{
65 u64 tcfg_basetime;
66
67 tcfg_basetime = to_gate(a)->param.tcfg_basetime;
68
69 return tcfg_basetime;
70}
71
72static inline u64 tcf_gate_cycletime(const struct tc_action *a)
73{
74 u64 tcfg_cycletime;
75
76 tcfg_cycletime = to_gate(a)->param.tcfg_cycletime;
77
78 return tcfg_cycletime;
79}
80
81static inline u64 tcf_gate_cycletimeext(const struct tc_action *a)
82{
83 u64 tcfg_cycletimeext;
84
85 tcfg_cycletimeext = to_gate(a)->param.tcfg_cycletime_ext;
86
87 return tcfg_cycletimeext;
88}
89
90static inline u32 tcf_gate_num_entries(const struct tc_action *a)
91{
92 u32 num_entries;
93
94 num_entries = to_gate(a)->param.num_entries;
95
96 return num_entries;
97}
98
99static inline struct action_gate_entry
100 *tcf_gate_get_list(const struct tc_action *a)
101{
102 struct action_gate_entry *oe;
103 struct tcf_gate_params *p;
104 struct tcfg_gate_entry *entry;
105 u32 num_entries;
106 int i = 0;
107
108 p = &to_gate(a)->param;
109 num_entries = p->num_entries;
110
111 list_for_each_entry(entry, &p->entries, list)
112 i++;
113
114 if (i != num_entries)
115 return NULL;
116
117 oe = kcalloc(num_entries, sizeof(*oe), GFP_ATOMIC);
118 if (!oe)
119 return NULL;
120
121 i = 0;
122 list_for_each_entry(entry, &p->entries, list) {
123 oe[i].gate_state = entry->gate_state;
124 oe[i].interval = entry->interval;
125 oe[i].ipv = entry->ipv;
126 oe[i].maxoctets = entry->maxoctets;
127 i++;
128 }
129
130 return oe;
131}
132#endif
133

source code of linux/include/net/tc_act/tc_gate.h