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/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 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         u32 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_chan_stats {
  98         u32 chan_num;
  99         u32 cca_tx;
 100         u32 cca_rx;
 101         u32 cca_busy;
 102         u32 cca_try;
 103         s8 chan_noise;
 104 };
 105
 106 struct qtnf_wmac {
 107         u8 macid;
 108         u8 wiphy_registered;
 109         u8 macaddr[ETH_ALEN];
 110         struct qtnf_bus *bus;
 111         struct qtnf_mac_info macinfo;
 112         struct qtnf_vif iflist[QTNF_MAX_INTF];
 113         struct cfg80211_scan_request *scan_req;
 114         struct mutex mac_lock;  /* lock during wmac speicific ops */
 115         struct delayed_work scan_timeout;
 116         struct ieee80211_regdomain *rd;
 117 };
 118
 119 struct qtnf_hw_info {
 120         u16 ql_proto_ver;
 121         u8 num_mac;
 122         u8 mac_bitmap;
 123         u32 fw_ver;
 124         u32 hw_capab;
 125         u8 total_tx_chain;
 126         u8 total_rx_chain;
 127         char fw_version[ETHTOOL_FWVERS_LEN];
 128         u32 hw_version;
 129         u8 max_scan_ssids;
 130 };
 131
 132 struct qtnf_vif *qtnf_mac_get_free_vif(struct qtnf_wmac *mac);
 133 struct qtnf_vif *qtnf_mac_get_base_vif(struct qtnf_wmac *mac);
 134 void qtnf_mac_iface_comb_free(struct qtnf_wmac *mac);
 135 void qtnf_mac_ext_caps_free(struct qtnf_wmac *mac);
 136 bool qtnf_slave_radar_get(void);
 137 bool qtnf_dfs_offload_get(void);
 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 struct dentry *qtnf_get_debugfs_dir(void);
 156 bool qtnf_netdev_is_qtn(const struct net_device *ndev);
 157
 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_ */