drivers/net/wireless/quantenna/qtnfmac/core.h

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