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
41extern const struct net_device_ops qtnf_netdev_ops;
42
43struct qtnf_bus;
44struct qtnf_vif;
45
46struct qtnf_sta_node {
47 struct list_head list;
48 u8 mac_addr[ETH_ALEN];
49};
50
51struct qtnf_sta_list {
52 struct list_head head;
53 atomic_t size;
54};
55
56struct 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
75struct 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
98struct 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
112struct 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
124struct qtnf_vif *qtnf_mac_get_free_vif(struct qtnf_wmac *mac);
125struct qtnf_vif *qtnf_mac_get_base_vif(struct qtnf_wmac *mac);
126void qtnf_mac_iface_comb_free(struct qtnf_wmac *mac);
127void qtnf_mac_ext_caps_free(struct qtnf_wmac *mac);
128bool qtnf_slave_radar_get(void);
129bool qtnf_dfs_offload_get(void);
130struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus,
131 struct platform_device *pdev);
132int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *priv,
133 const char *name, unsigned char name_assign_type);
134void qtnf_main_work_queue(struct work_struct *work);
135int qtnf_cmd_send_update_phy_params(struct qtnf_wmac *mac, u32 changed);
136
137struct qtnf_wmac *qtnf_core_get_mac(const struct qtnf_bus *bus, u8 macid);
138struct net_device *qtnf_classify_skb(struct qtnf_bus *bus, struct sk_buff *skb);
139void qtnf_wake_all_queues(struct net_device *ndev);
140
141void qtnf_virtual_intf_cleanup(struct net_device *ndev);
142
143void qtnf_netdev_updown(struct net_device *ndev, bool up);
144void qtnf_scan_done(struct qtnf_wmac *mac, bool aborted);
145struct dentry *qtnf_get_debugfs_dir(void);
146bool qtnf_netdev_is_qtn(const struct net_device *ndev);
147
148static inline struct qtnf_vif *qtnf_netdev_get_priv(struct net_device *dev)
149{
150 return *((void **)netdev_priv(dev));
151}
152
153static inline bool qtnf_hwcap_is_set(const struct qtnf_hw_info *info,
154 unsigned int bit)
155{
156 return qtnf_utils_is_bit_set(arr: info->hw_capab, bit,
157 arr_max_len: sizeof(info->hw_capab));
158}
159
160#endif /* _QTN_FMAC_CORE_H_ */
161

source code of linux/drivers/net/wireless/quantenna/qtnfmac/core.h