/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* Copyright 2020 NXP */
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#ifndef __NET_TC_GATE_H
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#define __NET_TC_GATE_H
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#include <net/act_api.h>
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#include <linux/tc_act/tc_gate.h>
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struct action_gate_entry {
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u8 gate_state;
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u32 interval;
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s32 ipv;
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s32 maxoctets;
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};
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struct tcfg_gate_entry {
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int index;
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u8 gate_state;
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u32 interval;
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s32 ipv;
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s32 maxoctets;
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struct list_head list;
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};
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struct tcf_gate_params {
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s32 tcfg_priority;
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u64 tcfg_basetime;
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u64 tcfg_cycletime;
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u64 tcfg_cycletime_ext;
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u32 tcfg_flags;
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s32 tcfg_clockid;
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size_t num_entries;
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struct list_head entries;
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};
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#define GATE_ACT_GATE_OPEN BIT(0)
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#define GATE_ACT_PENDING BIT(1)
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struct tcf_gate {
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struct tc_action common;
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struct tcf_gate_params param;
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u8 current_gate_status;
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ktime_t current_close_time;
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u32 current_entry_octets;
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s32 current_max_octets;
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struct tcfg_gate_entry *next_entry;
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struct hrtimer hitimer;
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enum tk_offsets tk_offset;
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};
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#define to_gate(a) ((struct tcf_gate *)a)
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static inline bool is_tcf_gate(const struct tc_action *a)
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{
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#ifdef CONFIG_NET_CLS_ACT
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if (a->ops && a->ops->id == TCA_ID_GATE)
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return true;
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#endif
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return false;
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}
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static inline u32 tcf_gate_index(const struct tc_action *a)
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{
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return a->tcfa_index;
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}
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static inline s32 tcf_gate_prio(const struct tc_action *a)
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{
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s32 tcfg_prio;
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tcfg_prio = to_gate(a)->param.tcfg_priority;
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return tcfg_prio;
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}
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static inline u64 tcf_gate_basetime(const struct tc_action *a)
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{
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u64 tcfg_basetime;
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tcfg_basetime = to_gate(a)->param.tcfg_basetime;
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return tcfg_basetime;
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}
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static inline u64 tcf_gate_cycletime(const struct tc_action *a)
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{
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u64 tcfg_cycletime;
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tcfg_cycletime = to_gate(a)->param.tcfg_cycletime;
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return tcfg_cycletime;
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}
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static inline u64 tcf_gate_cycletimeext(const struct tc_action *a)
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{
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u64 tcfg_cycletimeext;
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tcfg_cycletimeext = to_gate(a)->param.tcfg_cycletime_ext;
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return tcfg_cycletimeext;
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}
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static inline u32 tcf_gate_num_entries(const struct tc_action *a)
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{
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u32 num_entries;
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num_entries = to_gate(a)->param.num_entries;
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return num_entries;
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}
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static inline struct action_gate_entry
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*tcf_gate_get_list(const struct tc_action *a)
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{
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struct action_gate_entry *oe;
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struct tcf_gate_params *p;
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struct tcfg_gate_entry *entry;
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u32 num_entries;
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int i = 0;
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p = &to_gate(a)->param;
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num_entries = p->num_entries;
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list_for_each_entry(entry, &p->entries, list)
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i++;
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if (i != num_entries)
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return NULL;
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oe = kcalloc(num_entries, sizeof(*oe), GFP_ATOMIC);
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if (!oe)
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return NULL;
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i = 0;
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list_for_each_entry(entry, &p->entries, list) {
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oe[i].gate_state = entry->gate_state;
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oe[i].interval = entry->interval;
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oe[i].ipv = entry->ipv;
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oe[i].maxoctets = entry->maxoctets;
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i++;
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}
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return oe;
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}
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#endif
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