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
24 #include "qlink.h"
25 #include "trans.h"
26
27 #undef pr_fmt
28 #define pr_fmt(fmt) KBUILD_MODNAME ": %s: " fmt, __func__
29
30 #define QTNF_MAX_VSIE_LEN 255
31 #define QTNF_MAX_INTF 8
32 #define QTNF_MAX_EVENT_QUEUE_LEN 255
33 #define QTNF_SCAN_TIMEOUT_SEC 15
34
35 #define QTNF_DEF_BSS_PRIORITY 0
36 #define QTNF_DEF_WDOG_TIMEOUT 5
37 #define QTNF_TX_TIMEOUT_TRSHLD 100
38
39 extern const struct net_device_ops qtnf_netdev_ops;
40
41 struct qtnf_bus;
42 struct qtnf_vif;
43
44 struct qtnf_sta_node {
45 struct list_head list;
46 u8 mac_addr[ETH_ALEN];
47 };
48
49 struct qtnf_sta_list {
50 struct list_head head;
51 atomic_t size;
52 };
53
54 struct qtnf_vif {
55 struct wireless_dev wdev;
56 u8 bssid[ETH_ALEN];
57 u8 mac_addr[ETH_ALEN];
58 u8 vifid;
59 u8 bss_priority;
60 u8 bss_status;
61 u16 mgmt_frames_bitmask;
62 struct net_device *netdev;
63 struct qtnf_wmac *mac;
64
65 struct work_struct reset_work;
66 struct work_struct high_pri_tx_work;
67 struct sk_buff_head high_pri_tx_queue;
68 struct qtnf_sta_list sta_list;
69 unsigned long cons_tx_timeout_cnt;
70 int generation;
71
72 struct pcpu_sw_netstats __percpu *stats64;
73 };
74
75 struct qtnf_mac_info {
76 u8 bands_cap;
77 u8 dev_mac[ETH_ALEN];
78 u8 num_tx_chain;
79 u8 num_rx_chain;
80 u16 max_ap_assoc_sta;
81 u32 frag_thr;
82 u32 rts_thr;
83 u8 lretry_limit;
84 u8 sretry_limit;
85 u8 coverage_class;
86 u8 radar_detect_widths;
87 u32 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_chan_stats {
99 u32 chan_num;
100 u32 cca_tx;
101 u32 cca_rx;
102 u32 cca_busy;
103 u32 cca_try;
104 s8 chan_noise;
105 };
106
107 struct qtnf_wmac {
108 u8 macid;
109 u8 wiphy_registered;
110 u8 macaddr[ETH_ALEN];
111 struct qtnf_bus *bus;
112 struct qtnf_mac_info macinfo;
113 struct qtnf_vif iflist[QTNF_MAX_INTF];
114 struct cfg80211_scan_request *scan_req;
115 struct mutex mac_lock; /* lock during wmac speicific ops */
116 struct delayed_work scan_timeout;
117 struct ieee80211_regdomain *rd;
118 };
119
120 struct qtnf_hw_info {
121 u16 ql_proto_ver;
122 u8 num_mac;
123 u8 mac_bitmap;
124 u32 fw_ver;
125 u32 hw_capab;
126 u8 total_tx_chain;
127 u8 total_rx_chain;
128 char fw_version[ETHTOOL_FWVERS_LEN];
129 u32 hw_version;
130 u8 max_scan_ssids;
131 };
132
133 struct qtnf_vif *qtnf_mac_get_free_vif(struct qtnf_wmac *mac);
134 struct qtnf_vif *qtnf_mac_get_base_vif(struct qtnf_wmac *mac);
135 void qtnf_mac_iface_comb_free(struct qtnf_wmac *mac);
136 void qtnf_mac_ext_caps_free(struct qtnf_wmac *mac);
137 bool qtnf_mac_slave_radar_get(struct wiphy *wiphy);
138 struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus);
139 int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *priv,
140 const char *name, unsigned char name_assign_type);
141 void qtnf_main_work_queue(struct work_struct *work);
142 int qtnf_cmd_send_update_phy_params(struct qtnf_wmac *mac, u32 changed);
143 int qtnf_cmd_send_get_phy_params(struct qtnf_wmac *mac);
144
145 struct qtnf_wmac *qtnf_core_get_mac(const struct qtnf_bus *bus, u8 macid);
146 struct net_device *qtnf_classify_skb(struct qtnf_bus *bus, struct sk_buff *skb);
147 void qtnf_wake_all_queues(struct net_device *ndev);
148 void qtnf_update_rx_stats(struct net_device *ndev, const struct sk_buff *skb);
149 void qtnf_update_tx_stats(struct net_device *ndev, const struct sk_buff *skb);
150
151 void qtnf_virtual_intf_cleanup(struct net_device *ndev);
152
153 void qtnf_netdev_updown(struct net_device *ndev, bool up);
154 void qtnf_scan_done(struct qtnf_wmac *mac, bool aborted);
155 void qtnf_packet_send_hi_pri(struct sk_buff *skb);
156 struct dentry *qtnf_get_debugfs_dir(void);
157
qtnf_netdev_get_priv(struct net_device * dev)158 static inline struct qtnf_vif *qtnf_netdev_get_priv(struct net_device *dev)
159 {
160 return *((void **)netdev_priv(dev));
161 }
162
163 #endif /* _QTN_FMAC_CORE_H_ */
164