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

   1 /*
   2  * Copyright (c) 2015-2016 Quantenna Communications, Inc.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  */
  16
  17 #ifndef _QTN_FMAC_CORE_H_
  18 #define _QTN_FMAC_CORE_H_
  19
  20 #include <linux/kernel.h>
  21 #include <linux/module.h>
  22 #include <linux/sched.h>
  23 #include <linux/semaphore.h>
  24 #include <linux/ip.h>
  25 #include <linux/skbuff.h>
  26 #include <linux/if_arp.h>
  27 #include <linux/etherdevice.h>
  28 #include <net/sock.h>
  29 #include <net/lib80211.h>
  30 #include <net/cfg80211.h>
  31 #include <linux/vmalloc.h>
  32 #include <linux/firmware.h>
  33 #include <linux/ctype.h>
  34 #include <linux/workqueue.h>
  35 #include <linux/slab.h>
  36
  37 #include "qlink.h"
  38 #include "trans.h"
  39
  40 #undef pr_fmt
  41 #define pr_fmt(fmt)     KBUILD_MODNAME ": %s: " fmt, __func__
  42
  43 #define QTNF_MAX_SSID_LIST_LENGTH       2
  44 #define QTNF_MAX_VSIE_LEN               255
  45 #define QTNF_MAX_INTF                   8
  46 #define QTNF_MAX_EVENT_QUEUE_LEN        255
  47 #define QTNF_DEFAULT_BG_SCAN_PERIOD     300
  48 #define QTNF_MAX_BG_SCAN_PERIOD         0xffff
  49 #define QTNF_SCAN_TIMEOUT_SEC           15
  50
  51 #define QTNF_DEF_BSS_PRIORITY           0
  52 #define QTNF_DEF_WDOG_TIMEOUT           5
  53 #define QTNF_TX_TIMEOUT_TRSHLD          100
  54
  55 extern const struct net_device_ops qtnf_netdev_ops;
  56
  57 struct qtnf_bus;
  58 struct qtnf_vif;
  59
  60 struct qtnf_sta_node {
  61         struct list_head list;
  62         u8 mac_addr[ETH_ALEN];
  63 };
  64
  65 struct qtnf_sta_list {
  66         struct list_head head;
  67         atomic_t size;
  68 };
  69
  70 enum qtnf_sta_state {
  71         QTNF_STA_DISCONNECTED,
  72         QTNF_STA_CONNECTING,
  73         QTNF_STA_CONNECTED
  74 };
  75
  76 struct qtnf_vif {
  77         struct wireless_dev wdev;
  78         u8 bssid[ETH_ALEN];
  79         u8 mac_addr[ETH_ALEN];
  80         u8 vifid;
  81         u8 bss_priority;
  82         u8 bss_status;
  83         enum qtnf_sta_state sta_state;
  84         u16 mgmt_frames_bitmask;
  85         struct net_device *netdev;
  86         struct qtnf_wmac *mac;
  87
  88         struct work_struct reset_work;
  89         struct qtnf_sta_list sta_list;
  90         unsigned long cons_tx_timeout_cnt;
  91         int generation;
  92
  93         struct pcpu_sw_netstats __percpu *stats64;
  94 };
  95
  96 struct qtnf_mac_info {
  97         u8 bands_cap;
  98         u8 dev_mac[ETH_ALEN];
  99         u8 num_tx_chain;
 100         u8 num_rx_chain;
 101         u16 max_ap_assoc_sta;
 102         u32 frag_thr;
 103         u32 rts_thr;
 104         u8 lretry_limit;
 105         u8 sretry_limit;
 106         u8 coverage_class;
 107         u8 radar_detect_widths;
 108         u32 max_acl_mac_addrs;
 109         struct ieee80211_ht_cap ht_cap_mod_mask;
 110         struct ieee80211_vht_cap vht_cap_mod_mask;
 111         struct ieee80211_iface_combination *if_comb;
 112         size_t n_if_comb;
 113         u8 *extended_capabilities;
 114         u8 *extended_capabilities_mask;
 115         u8 extended_capabilities_len;
 116 };
 117
 118 struct qtnf_chan_stats {
 119         u32 chan_num;
 120         u32 cca_tx;
 121         u32 cca_rx;
 122         u32 cca_busy;
 123         u32 cca_try;
 124         s8 chan_noise;
 125 };
 126
 127 struct qtnf_wmac {
 128         u8 macid;
 129         u8 wiphy_registered;
 130         u8 macaddr[ETH_ALEN];
 131         struct qtnf_bus *bus;
 132         struct qtnf_mac_info macinfo;
 133         struct qtnf_vif iflist[QTNF_MAX_INTF];
 134         struct cfg80211_scan_request *scan_req;
 135         struct mutex mac_lock;  /* lock during wmac speicific ops */
 136         struct delayed_work scan_timeout;
 137 };
 138
 139 struct qtnf_hw_info {
 140         u16 ql_proto_ver;
 141         u8 num_mac;
 142         u8 mac_bitmap;
 143         u32 fw_ver;
 144         u32 hw_capab;
 145         struct ieee80211_regdomain *rd;
 146         u8 total_tx_chain;
 147         u8 total_rx_chain;
 148         char fw_version[ETHTOOL_FWVERS_LEN];
 149         u32 hw_version;
 150 };
 151
 152 struct qtnf_vif *qtnf_mac_get_free_vif(struct qtnf_wmac *mac);
 153 struct qtnf_vif *qtnf_mac_get_base_vif(struct qtnf_wmac *mac);
 154 void qtnf_mac_iface_comb_free(struct qtnf_wmac *mac);
 155 struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus);
 156 int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *priv,
 157                          const char *name, unsigned char name_assign_type);
 158 void qtnf_main_work_queue(struct work_struct *work);
 159 int qtnf_cmd_send_update_phy_params(struct qtnf_wmac *mac, u32 changed);
 160 int qtnf_cmd_send_get_phy_params(struct qtnf_wmac *mac);
 161
 162 struct qtnf_wmac *qtnf_core_get_mac(const struct qtnf_bus *bus, u8 macid);
 163 struct net_device *qtnf_classify_skb(struct qtnf_bus *bus, struct sk_buff *skb);
 164 void qtnf_wake_all_queues(struct net_device *ndev);
 165 void qtnf_update_rx_stats(struct net_device *ndev, const struct sk_buff *skb);
 166 void qtnf_update_tx_stats(struct net_device *ndev, const struct sk_buff *skb);
 167
 168 void qtnf_virtual_intf_cleanup(struct net_device *ndev);
 169
 170 void qtnf_netdev_updown(struct net_device *ndev, bool up);
 171 void qtnf_scan_done(struct qtnf_wmac *mac, bool aborted);
 172
 173 static inline struct qtnf_vif *qtnf_netdev_get_priv(struct net_device *dev)
 174 {
 175         return *((void **)netdev_priv(dev));
 176 }
 177
 178 #endif /* _QTN_FMAC_CORE_H_ */