126 lines
4.6 KiB
C
Executable File
126 lines
4.6 KiB
C
Executable File
/*****************************************************************************
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*
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* Copyright (c) 2012 - 2020 Samsung Electronics Co., Ltd. All rights reserved
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*
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*****************************************************************************/
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#include <linux/spinlock.h>
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#include <asm/atomic.h>
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#include "netif.h"
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#ifndef __SCSC_WIFI_FCQ_H
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#define __SCSC_WIFI_FCQ_H
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enum scsc_wifi_fcq_8021x_state {
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SCSC_WIFI_FCQ_8021x_STATE_BLOCKED = 0,
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SCSC_WIFI_FCQ_8021x_STATE_OPEN = 1
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};
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enum scsc_wifi_fcq_ps_state {
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SCSC_WIFI_FCQ_PS_STATE_POWERSAVE = 1,
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SCSC_WIFI_FCQ_PS_STATE_ACTIVE = 2
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};
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struct scsc_wifi_fcq_q_stat {
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u32 netq_stops;
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u32 netq_resumes;
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u32 netq_stop_percent;
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u32 netq_stop_time_in_ms;
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ktime_t last_sample_time;
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ktime_t last_stop_time;
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bool netq_state;
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};
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struct scsc_wifi_fcq_q_header {
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atomic_t qmod;
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atomic_t qcod;
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u16 netif_queue_id;
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atomic_t active;
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struct scsc_wifi_fcq_q_stat stats;
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ktime_t empty_t;
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bool can_be_distributed;
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bool saturated;
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int guard;
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};
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struct scsc_wifi_fcq_data_q {
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struct scsc_wifi_fcq_q_header head;
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struct scsc_wifi_fcq_data_qset *qs;
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};
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struct scsc_wifi_fcq_ctrl_q {
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struct scsc_wifi_fcq_q_header head;
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};
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enum scsc_wifi_fcq_queue_set_type {
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SCSC_WIFI_FCQ_QUEUE_SET_TYPE_UNICAST = 0,
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SCSC_WIFI_FCQ_QUEUE_SET_TYPE_MULTICAST = 1
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};
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#define EXPERIMENTAL_DYNAMIC_SMOD_ADAPTATION 1
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struct scsc_wifi_fcq_data_qset {
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atomic_t active;
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enum scsc_wifi_fcq_8021x_state controlled_port_state;
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/* a std spinlock */
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spinlock_t cp_lock;
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struct scsc_wifi_fcq_data_q ac_q[SLSI_NETIF_Q_PER_PEER];
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/* Control AC usage (BE,BK,VI,VO) bitmap*/
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u8 ac_inuse;
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atomic_t smod;
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atomic_t scod;
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struct scsc_wifi_fcq_q_stat stats; /* Stats for smod */
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enum scsc_wifi_fcq_ps_state peer_ps_state;
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u32 peer_ps_state_transitions;
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#ifdef EXPERIMENTAL_DYNAMIC_SMOD_ADAPTATION
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ktime_t empty_t;
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bool can_be_distributed;
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bool in_sleep;
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#endif
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bool saturated;
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int guard;
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};
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/* Queue and queue set management */
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int scsc_wifi_fcq_ctrl_q_init(struct scsc_wifi_fcq_ctrl_q *queue);
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void scsc_wifi_fcq_ctrl_q_deinit(struct scsc_wifi_fcq_ctrl_q *queue);
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int scsc_wifi_fcq_unicast_qset_init(struct net_device *dev, struct scsc_wifi_fcq_data_qset *qs, u8 qs_num, struct slsi_dev *sdev, u8 vif, struct slsi_peer *peer);
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int scsc_wifi_fcq_multicast_qset_init(struct net_device *dev, struct scsc_wifi_fcq_data_qset *qs, struct slsi_dev *sdev, u8 vif);
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void scsc_wifi_fcq_qset_deinit(struct net_device *dev, struct scsc_wifi_fcq_data_qset *qs, struct slsi_dev *sdev, u8 vif, struct slsi_peer *peer);
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/* Transmit/receive bookkeeping and smod power save changes / 802.1x handling */
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int scsc_wifi_fcq_transmit_data(struct net_device *dev, struct scsc_wifi_fcq_data_qset *qs, u16 priority, struct slsi_dev *sdev, u8 vif, u8 peer_index);
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int scsc_wifi_fcq_receive_data(struct net_device *dev, struct scsc_wifi_fcq_data_qset *qs, u16 priority, struct slsi_dev *sdev, u8 vif, u8 peer_index);
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int scsc_wifi_fcq_receive_data_no_peer(struct net_device *dev, u16 priority, struct slsi_dev *sdev, u8 vif, u8 peer_index);
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void scsc_wifi_fcq_pause_queues(struct slsi_dev *sdev);
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#ifdef CONFIG_SCSC_WLAN_ARP_FLOW_CONTROL
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void scsc_wifi_pause_arp_q_all_vif(struct slsi_dev *sdev);
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void scsc_wifi_unpause_arp_q_all_vif(struct slsi_dev *sdev);
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#endif
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void scsc_wifi_fcq_unpause_queues(struct slsi_dev *sdev);
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int scsc_wifi_fcq_transmit_ctrl(struct net_device *dev, struct scsc_wifi_fcq_ctrl_q *queue);
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int scsc_wifi_fcq_receive_ctrl(struct net_device *dev, struct scsc_wifi_fcq_ctrl_q *queue);
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int scsc_wifi_fcq_update_smod(struct scsc_wifi_fcq_data_qset *qs, enum scsc_wifi_fcq_ps_state peer_ps_state,
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enum scsc_wifi_fcq_queue_set_type type);
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int scsc_wifi_fcq_8021x_port_state(struct net_device *dev, struct scsc_wifi_fcq_data_qset *qs, enum scsc_wifi_fcq_8021x_state state);
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/* Statistics */
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int scsc_wifi_fcq_stat_queue(struct scsc_wifi_fcq_q_header *queue,
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struct scsc_wifi_fcq_q_stat *queue_stat,
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int *qmod, int *qcod);
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int scsc_wifi_fcq_stat_queueset(struct scsc_wifi_fcq_data_qset *queue_set,
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struct scsc_wifi_fcq_q_stat *queue_stat,
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int *smod, int *scod, enum scsc_wifi_fcq_8021x_state *cp_state,
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u32 *peer_ps_state_transitions);
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#endif /* #ifndef __SCSC_WIFI_FCQ_H */
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