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- /*
- * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
- #ifndef _RMNET_QMI_I_H
- #define _RMNET_QMI_I_H
- #include <linux/netdevice.h>
- #include <linux/skbuff.h>
- #include <linux/timer.h>
- #include <uapi/linux/rtnetlink.h>
- #include <linux/soc/qcom/qmi.h>
- #define MAX_MQ_NUM 16
- #define MAX_CLIENT_NUM 2
- #define MAX_FLOW_NUM 32
- #define DEFAULT_GRANT 1
- #define DEFAULT_CALL_GRANT 20480
- #define DFC_MAX_BEARERS_V01 16
- #define DEFAULT_MQ_NUM 0
- #define ACK_MQ_OFFSET (MAX_MQ_NUM - 1)
- #define INVALID_MQ 0xFF
- #define DFC_MODE_SA 4
- #define PS_MAX_BEARERS 32
- #define CONFIG_QTI_QMI_RMNET 1
- #define CONFIG_QTI_QMI_DFC 1
- #define CONFIG_QTI_QMI_POWER_COLLAPSE 1
- extern int dfc_mode;
- extern int dfc_qmap;
- struct qos_info;
- enum {
- RMNET_CH_DEFAULT,
- RMNET_CH_LL,
- RMNET_CH_MAX,
- RMNET_CH_CTL = 0xFF
- };
- enum rmnet_ch_switch_state {
- CH_SWITCH_NONE,
- CH_SWITCH_STARTED,
- CH_SWITCH_ACKED,
- CH_SWITCH_FAILED_RETRY
- };
- struct rmnet_ch_switch {
- u8 current_ch;
- u8 switch_to_ch;
- u8 retry_left;
- u8 status_code;
- bool auto_switched;
- enum rmnet_ch_switch_state state;
- __be32 switch_txid;
- u32 flags;
- bool timer_quit;
- struct timer_list guard_timer;
- u32 nl_pid;
- u32 nl_seq;
- };
- struct rmnet_bearer_map {
- struct list_head list;
- u8 bearer_id;
- int flow_ref;
- u32 grant_size;
- u32 grant_thresh;
- u16 seq;
- u8 ack_req;
- u32 last_grant;
- u16 last_seq;
- u32 bytes_in_flight;
- u32 last_adjusted_grant;
- bool tcp_bidir;
- bool rat_switch;
- bool tx_off;
- u32 ack_txid;
- u32 mq_idx;
- u32 ack_mq_idx;
- struct qos_info *qos;
- struct timer_list watchdog;
- bool watchdog_started;
- bool watchdog_quit;
- u32 watchdog_expire_cnt;
- struct rmnet_ch_switch ch_switch;
- };
- struct rmnet_flow_map {
- struct list_head list;
- u8 bearer_id;
- u32 flow_id;
- int ip_type;
- u32 mq_idx;
- struct rmnet_bearer_map *bearer;
- };
- struct svc_info {
- u32 instance;
- u32 ep_type;
- u32 iface_id;
- };
- struct mq_map {
- struct rmnet_bearer_map *bearer;
- bool is_ll_ch;
- bool drop_on_remove;
- };
- struct qos_info {
- struct list_head list;
- u8 mux_id;
- struct net_device *real_dev;
- struct net_device *vnd_dev;
- struct list_head flow_head;
- struct list_head bearer_head;
- struct mq_map mq[MAX_MQ_NUM];
- u32 tran_num;
- spinlock_t qos_lock;
- struct rmnet_bearer_map *removed_bearer;
- };
- struct qmi_info {
- int flag;
- void *wda_client;
- void *wda_pending;
- void *dfc_clients[MAX_CLIENT_NUM];
- void *dfc_pending[MAX_CLIENT_NUM];
- bool dfc_client_exiting[MAX_CLIENT_NUM];
- unsigned long ps_work_active;
- bool ps_enabled;
- bool dl_msg_active;
- bool ps_ignore_grant;
- int ps_ext;
- };
- enum data_ep_type_enum_v01 {
- DATA_EP_TYPE_ENUM_MIN_ENUM_VAL_V01 = INT_MIN,
- DATA_EP_TYPE_RESERVED_V01 = 0x00,
- DATA_EP_TYPE_HSIC_V01 = 0x01,
- DATA_EP_TYPE_HSUSB_V01 = 0x02,
- DATA_EP_TYPE_PCIE_V01 = 0x03,
- DATA_EP_TYPE_EMBEDDED_V01 = 0x04,
- DATA_EP_TYPE_ENUM_MAX_ENUM_VAL_V01 = INT_MAX
- };
- struct data_ep_id_type_v01 {
- enum data_ep_type_enum_v01 ep_type;
- u32 iface_id;
- };
- extern struct qmi_elem_info data_ep_id_type_v01_ei[];
- void *qmi_rmnet_has_dfc_client(struct qmi_info *qmi);
- #ifdef CONFIG_QTI_QMI_DFC
- struct rmnet_flow_map *
- qmi_rmnet_get_flow_map(struct qos_info *qos_info,
- u32 flow_id, int ip_type);
- struct rmnet_bearer_map *
- qmi_rmnet_get_bearer_map(struct qos_info *qos_info, u8 bearer_id);
- unsigned int qmi_rmnet_grant_per(unsigned int grant);
- int dfc_qmi_client_init(void *port, int index, struct svc_info *psvc,
- struct qmi_info *qmi);
- void dfc_qmi_client_exit(void *dfc_data);
- void dfc_qmi_burst_check(struct net_device *dev, struct qos_info *qos,
- int ip_type, u32 mark, unsigned int len);
- int qmi_rmnet_flow_control(struct net_device *dev, u32 mq_idx, int enable);
- void dfc_qmi_query_flow(void *dfc_data);
- int dfc_bearer_flow_ctl(struct net_device *dev,
- struct rmnet_bearer_map *bearer,
- struct qos_info *qos);
- int dfc_qmap_client_init(void *port, int index, struct svc_info *psvc,
- struct qmi_info *qmi);
- void dfc_qmap_client_exit(void *dfc_data);
- void dfc_qmap_send_ack(struct qos_info *qos, u8 bearer_id, u16 seq, u8 type);
- struct rmnet_bearer_map *qmi_rmnet_get_bearer_noref(struct qos_info *qos_info,
- u8 bearer_id);
- void qmi_rmnet_watchdog_add(struct rmnet_bearer_map *bearer);
- void qmi_rmnet_watchdog_remove(struct rmnet_bearer_map *bearer);
- int rmnet_ll_switch(struct net_device *dev, struct tcmsg *tcm, int attrlen);
- void rmnet_ll_guard_fn(struct timer_list *t);
- void rmnet_ll_wq_init(void);
- void rmnet_ll_wq_exit(void);
- #else
- static inline struct rmnet_flow_map *
- qmi_rmnet_get_flow_map(struct qos_info *qos_info,
- uint32_t flow_id, int ip_type)
- {
- return NULL;
- }
- static inline struct rmnet_bearer_map *
- qmi_rmnet_get_bearer_map(struct qos_info *qos_info, u8 bearer_id)
- {
- return NULL;
- }
- static inline int
- dfc_qmi_client_init(void *port, int index, struct svc_info *psvc,
- struct qmi_info *qmi)
- {
- return -EINVAL;
- }
- static inline void dfc_qmi_client_exit(void *dfc_data)
- {
- }
- static inline int
- dfc_bearer_flow_ctl(struct net_device *dev,
- struct rmnet_bearer_map *bearer,
- struct qos_info *qos)
- {
- return 0;
- }
- static inline int
- dfc_qmap_client_init(void *port, int index, struct svc_info *psvc,
- struct qmi_info *qmi)
- {
- return -EINVAL;
- }
- static inline void dfc_qmap_client_exit(void *dfc_data)
- {
- }
- static inline void qmi_rmnet_watchdog_remove(struct rmnet_bearer_map *bearer)
- {
- }
- static int rmnet_ll_switch(struct net_device *dev,
- struct tcmsg *tcm, int attrlen)
- {
- return -EINVAL;
- }
- #endif
- #ifdef CONFIG_QTI_QMI_POWER_COLLAPSE
- int
- wda_qmi_client_init(void *port, struct svc_info *psvc, struct qmi_info *qmi);
- void wda_qmi_client_exit(void *wda_data);
- int wda_set_powersave_mode(void *wda_data, u8 enable, u8 num_bearers,
- u8 *bearer_id);
- void qmi_rmnet_flush_ps_wq(void);
- void wda_qmi_client_release(void *wda_data);
- int dfc_qmap_set_powersave(u8 enable, u8 num_bearers, u8 *bearer_id);
- #else
- static inline int
- wda_qmi_client_init(void *port, struct svc_info *psvc, struct qmi_info *qmi)
- {
- return -EINVAL;
- }
- static inline void wda_qmi_client_exit(void *wda_data)
- {
- }
- static inline int wda_set_powersave_mode(void *wda_data, u8 enable,
- u8 num_bearers, u8 *bearer_id)
- {
- return -EINVAL;
- }
- static inline void qmi_rmnet_flush_ps_wq(void)
- {
- }
- static inline void wda_qmi_client_release(void *wda_data)
- {
- }
- #endif
- #endif /*_RMNET_QMI_I_H*/
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