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 10 struct action_gate_entry { 11 u8 gate_state; 12 u32 interval; 13 s32 ipv; 14 s32 maxoctets; 15 }; 16 17 struct 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 26 struct 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 40 struct 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 54 static inline bool is_tcf_gate(const struct tc_action *a) 55 { 56 #ifdef CONFIG_NET_CLS_ACT 57 if (a->ops && a->ops->id == TCA_ID_GATE) 58 return true; 59 #endif 60 return false; 61 } 62 63 static inline u32 tcf_gate_index(const struct tc_action *a) 64 { 65 return a->tcfa_index; 66 } 67 68 static inline s32 tcf_gate_prio(const struct tc_action *a) 69 { 70 s32 tcfg_prio; 71 72 tcfg_prio = to_gate(a)->param.tcfg_priority; 73 74 return tcfg_prio; 75 } 76 77 static inline u64 tcf_gate_basetime(const struct tc_action *a) 78 { 79 u64 tcfg_basetime; 80 81 tcfg_basetime = to_gate(a)->param.tcfg_basetime; 82 83 return tcfg_basetime; 84 } 85 86 static inline u64 tcf_gate_cycletime(const struct tc_action *a) 87 { 88 u64 tcfg_cycletime; 89 90 tcfg_cycletime = to_gate(a)->param.tcfg_cycletime; 91 92 return tcfg_cycletime; 93 } 94 95 static inline u64 tcf_gate_cycletimeext(const struct tc_action *a) 96 { 97 u64 tcfg_cycletimeext; 98 99 tcfg_cycletimeext = to_gate(a)->param.tcfg_cycletime_ext; 100 101 return tcfg_cycletimeext; 102 } 103 104 static inline u32 tcf_gate_num_entries(const struct tc_action *a) 105 { 106 u32 num_entries; 107 108 num_entries = to_gate(a)->param.num_entries; 109 110 return num_entries; 111 } 112 113 static inline struct action_gate_entry 114 *tcf_gate_get_list(const struct tc_action *a) 115 { 116 struct action_gate_entry *oe; 117 struct tcf_gate_params *p; 118 struct tcfg_gate_entry *entry; 119 u32 num_entries; 120 int i = 0; 121 122 p = &to_gate(a)->param; 123 num_entries = p->num_entries; 124 125 list_for_each_entry(entry, &p->entries, list) 126 i++; 127 128 if (i != num_entries) 129 return NULL; 130 131 oe = kcalloc(num_entries, sizeof(*oe), GFP_ATOMIC); 132 if (!oe) 133 return NULL; 134 135 i = 0; 136 list_for_each_entry(entry, &p->entries, list) { 137 oe[i].gate_state = entry->gate_state; 138 oe[i].interval = entry->interval; 139 oe[i].ipv = entry->ipv; 140 oe[i].maxoctets = entry->maxoctets; 141 i++; 142 } 143 144 return oe; 145 } 146 #endif 147