1  /* SPDX-License-Identifier: GPL-2.0+ */
2  /* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */
3  
4  #ifndef _QTN_FMAC_CORE_H_
5  #define _QTN_FMAC_CORE_H_
6  
7  #include <linux/kernel.h>
8  #include <linux/module.h>
9  #include <linux/sched.h>
10  #include <linux/semaphore.h>
11  #include <linux/ip.h>
12  #include <linux/skbuff.h>
13  #include <linux/if_arp.h>
14  #include <linux/etherdevice.h>
15  #include <net/sock.h>
16  #include <net/lib80211.h>
17  #include <net/cfg80211.h>
18  #include <linux/vmalloc.h>
19  #include <linux/firmware.h>
20  #include <linux/ctype.h>
21  #include <linux/workqueue.h>
22  #include <linux/slab.h>
23  #include <linux/platform_device.h>
24  
25  #include "qlink.h"
26  #include "trans.h"
27  #include "qlink_util.h"
28  
29  #undef pr_fmt
30  #define pr_fmt(fmt)	KBUILD_MODNAME ": %s: " fmt, __func__
31  
32  #define QTNF_MAX_VSIE_LEN		255
33  #define QTNF_MAX_INTF			8
34  #define QTNF_MAX_EVENT_QUEUE_LEN	255
35  #define QTNF_SCAN_TIMEOUT_SEC		15
36  
37  #define QTNF_DEF_BSS_PRIORITY		0
38  #define QTNF_DEF_WDOG_TIMEOUT		5
39  #define QTNF_TX_TIMEOUT_TRSHLD		100
40  
41  extern const struct net_device_ops qtnf_netdev_ops;
42  
43  struct qtnf_bus;
44  struct qtnf_vif;
45  
46  struct qtnf_sta_node {
47  	struct list_head list;
48  	u8 mac_addr[ETH_ALEN];
49  };
50  
51  struct qtnf_sta_list {
52  	struct list_head head;
53  	atomic_t size;
54  };
55  
56  struct qtnf_vif {
57  	struct wireless_dev wdev;
58  	u8 bssid[ETH_ALEN];
59  	u8 mac_addr[ETH_ALEN];
60  	u8 vifid;
61  	u8 bss_priority;
62  	u8 bss_status;
63  	u16 mgmt_frames_bitmask;
64  	struct net_device *netdev;
65  	struct qtnf_wmac *mac;
66  
67  	struct work_struct reset_work;
68  	struct work_struct high_pri_tx_work;
69  	struct sk_buff_head high_pri_tx_queue;
70  	struct qtnf_sta_list sta_list;
71  	unsigned long cons_tx_timeout_cnt;
72  	int generation;
73  };
74  
75  struct qtnf_mac_info {
76  	u8 bands_cap;
77  	u8 num_tx_chain;
78  	u8 num_rx_chain;
79  	u16 max_ap_assoc_sta;
80  	u32 frag_thr;
81  	u32 rts_thr;
82  	u8 lretry_limit;
83  	u8 sretry_limit;
84  	u8 coverage_class;
85  	u8 radar_detect_widths;
86  	u8 max_scan_ssids;
87  	u16 max_acl_mac_addrs;
88  	struct ieee80211_ht_cap ht_cap_mod_mask;
89  	struct ieee80211_vht_cap vht_cap_mod_mask;
90  	struct ieee80211_iface_combination *if_comb;
91  	size_t n_if_comb;
92  	u8 *extended_capabilities;
93  	u8 *extended_capabilities_mask;
94  	u8 extended_capabilities_len;
95  	struct wiphy_wowlan_support *wowlan;
96  };
97  
98  struct qtnf_wmac {
99  	u8 macid;
100  	u8 wiphy_registered;
101  	u8 macaddr[ETH_ALEN];
102  	struct qtnf_bus *bus;
103  	struct qtnf_mac_info macinfo;
104  	struct qtnf_vif iflist[QTNF_MAX_INTF];
105  	struct cfg80211_scan_request *scan_req;
106  	struct mutex mac_lock;	/* lock during wmac speicific ops */
107  	struct delayed_work scan_timeout;
108  	struct ieee80211_regdomain *rd;
109  	struct platform_device *pdev;
110  };
111  
112  struct qtnf_hw_info {
113  	u32 ql_proto_ver;
114  	u8 num_mac;
115  	u8 mac_bitmap;
116  	u32 fw_ver;
117  	u8 total_tx_chain;
118  	u8 total_rx_chain;
119  	char fw_version[ETHTOOL_FWVERS_LEN];
120  	u32 hw_version;
121  	u8 hw_capab[QLINK_HW_CAPAB_NUM / BITS_PER_BYTE + 1];
122  };
123  
124  struct qtnf_vif *qtnf_mac_get_free_vif(struct qtnf_wmac *mac);
125  struct qtnf_vif *qtnf_mac_get_base_vif(struct qtnf_wmac *mac);
126  void qtnf_mac_iface_comb_free(struct qtnf_wmac *mac);
127  void qtnf_mac_ext_caps_free(struct qtnf_wmac *mac);
128  bool qtnf_slave_radar_get(void);
129  bool qtnf_dfs_offload_get(void);
130  struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus,
131  				  struct platform_device *pdev);
132  int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *priv,
133  			 const char *name, unsigned char name_assign_type);
134  void qtnf_main_work_queue(struct work_struct *work);
135  int qtnf_cmd_send_update_phy_params(struct qtnf_wmac *mac, u32 changed);
136  
137  struct qtnf_wmac *qtnf_core_get_mac(const struct qtnf_bus *bus, u8 macid);
138  struct net_device *qtnf_classify_skb(struct qtnf_bus *bus, struct sk_buff *skb);
139  void qtnf_wake_all_queues(struct net_device *ndev);
140  
141  void qtnf_virtual_intf_cleanup(struct net_device *ndev);
142  
143  void qtnf_netdev_updown(struct net_device *ndev, bool up);
144  void qtnf_scan_done(struct qtnf_wmac *mac, bool aborted);
145  struct dentry *qtnf_get_debugfs_dir(void);
146  bool qtnf_netdev_is_qtn(const struct net_device *ndev);
147  
qtnf_netdev_get_priv(struct net_device * dev)148  static inline struct qtnf_vif *qtnf_netdev_get_priv(struct net_device *dev)
149  {
150  	return *((void **)netdev_priv(dev));
151  }
152  
qtnf_hwcap_is_set(const struct qtnf_hw_info * info,unsigned int bit)153  static inline bool qtnf_hwcap_is_set(const struct qtnf_hw_info *info,
154  				     unsigned int bit)
155  {
156  	return qtnf_utils_is_bit_set(info->hw_capab, bit,
157  				     sizeof(info->hw_capab));
158  }
159  
160  #endif /* _QTN_FMAC_CORE_H_ */
161