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 struct pcpu_sw_netstats __percpu *stats64;
75 };
76
77 struct qtnf_mac_info {
78 u8 bands_cap;
79 u8 num_tx_chain;
80 u8 num_rx_chain;
81 u16 max_ap_assoc_sta;
82 u32 frag_thr;
83 u32 rts_thr;
84 u8 lretry_limit;
85 u8 sretry_limit;
86 u8 coverage_class;
87 u8 radar_detect_widths;
88 u8 max_scan_ssids;
89 u16 max_acl_mac_addrs;
90 struct ieee80211_ht_cap ht_cap_mod_mask;
91 struct ieee80211_vht_cap vht_cap_mod_mask;
92 struct ieee80211_iface_combination *if_comb;
93 size_t n_if_comb;
94 u8 *extended_capabilities;
95 u8 *extended_capabilities_mask;
96 u8 extended_capabilities_len;
97 struct wiphy_wowlan_support *wowlan;
98 };
99
100 struct qtnf_wmac {
101 u8 macid;
102 u8 wiphy_registered;
103 u8 macaddr[ETH_ALEN];
104 struct qtnf_bus *bus;
105 struct qtnf_mac_info macinfo;
106 struct qtnf_vif iflist[QTNF_MAX_INTF];
107 struct cfg80211_scan_request *scan_req;
108 struct mutex mac_lock; /* lock during wmac speicific ops */
109 struct delayed_work scan_timeout;
110 struct ieee80211_regdomain *rd;
111 struct platform_device *pdev;
112 };
113
114 struct qtnf_hw_info {
115 u32 ql_proto_ver;
116 u8 num_mac;
117 u8 mac_bitmap;
118 u32 fw_ver;
119 u8 total_tx_chain;
120 u8 total_rx_chain;
121 char fw_version[ETHTOOL_FWVERS_LEN];
122 u32 hw_version;
123 u8 hw_capab[QLINK_HW_CAPAB_NUM / BITS_PER_BYTE + 1];
124 };
125
126 struct qtnf_vif *qtnf_mac_get_free_vif(struct qtnf_wmac *mac);
127 struct qtnf_vif *qtnf_mac_get_base_vif(struct qtnf_wmac *mac);
128 void qtnf_mac_iface_comb_free(struct qtnf_wmac *mac);
129 void qtnf_mac_ext_caps_free(struct qtnf_wmac *mac);
130 bool qtnf_slave_radar_get(void);
131 bool qtnf_dfs_offload_get(void);
132 struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus,
133 struct platform_device *pdev);
134 int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *priv,
135 const char *name, unsigned char name_assign_type);
136 void qtnf_main_work_queue(struct work_struct *work);
137 int qtnf_cmd_send_update_phy_params(struct qtnf_wmac *mac, u32 changed);
138
139 struct qtnf_wmac *qtnf_core_get_mac(const struct qtnf_bus *bus, u8 macid);
140 struct net_device *qtnf_classify_skb(struct qtnf_bus *bus, struct sk_buff *skb);
141 void qtnf_wake_all_queues(struct net_device *ndev);
142 void qtnf_update_rx_stats(struct net_device *ndev, const struct sk_buff *skb);
143 void qtnf_update_tx_stats(struct net_device *ndev, const struct sk_buff *skb);
144
145 void qtnf_virtual_intf_cleanup(struct net_device *ndev);
146
147 void qtnf_netdev_updown(struct net_device *ndev, bool up);
148 void qtnf_scan_done(struct qtnf_wmac *mac, bool aborted);
149 struct dentry *qtnf_get_debugfs_dir(void);
150 bool qtnf_netdev_is_qtn(const struct net_device *ndev);
151
qtnf_netdev_get_priv(struct net_device * dev)152 static inline struct qtnf_vif *qtnf_netdev_get_priv(struct net_device *dev)
153 {
154 return *((void **)netdev_priv(dev));
155 }
156
qtnf_hwcap_is_set(const struct qtnf_hw_info * info,unsigned int bit)157 static inline bool qtnf_hwcap_is_set(const struct qtnf_hw_info *info,
158 unsigned int bit)
159 {
160 return qtnf_utils_is_bit_set(info->hw_capab, bit,
161 sizeof(info->hw_capab));
162 }
163
164 #endif /* _QTN_FMAC_CORE_H_ */
165