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_ALPHA_LEN 2 46 #define QTNF_MAX_INTF 8 47 #define QTNF_MAX_EVENT_QUEUE_LEN 255 48 #define QTNF_DEFAULT_BG_SCAN_PERIOD 300 49 #define QTNF_MAX_BG_SCAN_PERIOD 0xffff 50 51 #define QTNF_DEF_BSS_PRIORITY 0 52 #define QTNF_DEF_WDOG_TIMEOUT 5 53 #define QTNF_TX_TIMEOUT_TRSHLD 100 54 55 #define QTNF_STATE_AP_CONFIG BIT(2) 56 #define QTNF_STATE_AP_START BIT(1) 57 58 extern const struct net_device_ops qtnf_netdev_ops; 59 struct qtnf_bus; 60 struct qtnf_vif; 61 62 struct qtnf_bss_config { 63 u8 ssid[IEEE80211_MAX_SSID_LEN]; 64 u8 bssid[ETH_ALEN]; 65 size_t ssid_len; 66 u8 dtim; 67 u16 bcn_period; 68 u16 auth_type; 69 bool privacy; 70 enum nl80211_mfp mfp; 71 struct cfg80211_chan_def chandef; 72 struct cfg80211_crypto_settings crypto; 73 u16 bg_scan_period; 74 u32 connect_flags; 75 }; 76 77 struct qtnf_sta_node { 78 struct list_head list; 79 u8 mac_addr[ETH_ALEN]; 80 }; 81 82 struct qtnf_sta_list { 83 struct list_head head; 84 atomic_t size; 85 }; 86 87 enum qtnf_sta_state { 88 QTNF_STA_DISCONNECTED, 89 QTNF_STA_CONNECTING, 90 QTNF_STA_CONNECTED 91 }; 92 93 struct qtnf_vif { 94 struct wireless_dev wdev; 95 u8 vifid; 96 u8 bss_priority; 97 u8 bss_status; 98 enum qtnf_sta_state sta_state; 99 u16 mgmt_frames_bitmask; 100 struct net_device *netdev; 101 struct qtnf_wmac *mac; 102 u8 mac_addr[ETH_ALEN]; 103 struct work_struct reset_work; 104 struct qtnf_bss_config bss_cfg; 105 struct qtnf_sta_list sta_list; 106 unsigned long cons_tx_timeout_cnt; 107 }; 108 109 struct qtnf_mac_info { 110 u8 bands_cap; 111 u8 phymode_cap; 112 u8 dev_mac[ETH_ALEN]; 113 u8 num_tx_chain; 114 u8 num_rx_chain; 115 u16 max_ap_assoc_sta; 116 u32 frag_thr; 117 u32 rts_thr; 118 u8 lretry_limit; 119 u8 sretry_limit; 120 u8 coverage_class; 121 u8 radar_detect_widths; 122 struct ieee80211_ht_cap ht_cap; 123 struct ieee80211_vht_cap vht_cap; 124 struct ieee80211_iface_limit *limits; 125 size_t n_limits; 126 }; 127 128 struct qtnf_wmac { 129 u8 macid; 130 u8 wiphy_registered; 131 u8 macaddr[ETH_ALEN]; 132 struct qtnf_bus *bus; 133 struct qtnf_mac_info macinfo; 134 struct qtnf_vif iflist[QTNF_MAX_INTF]; 135 struct cfg80211_scan_request *scan_req; 136 }; 137 138 struct qtnf_hw_info { 139 u8 num_mac; 140 u8 mac_bitmap; 141 u8 alpha2_code[QTNF_MAX_ALPHA_LEN]; 142 u32 fw_ver; 143 u16 ql_proto_ver; 144 u8 total_tx_chain; 145 u8 total_rx_chain; 146 u32 hw_capab; 147 }; 148 149 struct qtnf_vif *qtnf_mac_get_free_vif(struct qtnf_wmac *mac); 150 struct qtnf_vif *qtnf_mac_get_base_vif(struct qtnf_wmac *mac); 151 struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus); 152 int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *priv, 153 const char *name, unsigned char name_assign_type, 154 enum nl80211_iftype iftype); 155 void qtnf_main_work_queue(struct work_struct *work); 156 int qtnf_cmd_send_update_phy_params(struct qtnf_wmac *mac, u32 changed); 157 int qtnf_cmd_send_get_phy_params(struct qtnf_wmac *mac); 158 159 struct qtnf_wmac *qtnf_core_get_mac(const struct qtnf_bus *bus, u8 macid); 160 struct net_device *qtnf_classify_skb(struct qtnf_bus *bus, struct sk_buff *skb); 161 struct net_device *qtnf_classify_skb_no_mbss(struct qtnf_bus *bus, 162 struct sk_buff *skb); 163 164 void qtnf_virtual_intf_cleanup(struct net_device *ndev); 165 166 void qtnf_netdev_updown(struct net_device *ndev, bool up); 167 168 static inline struct qtnf_vif *qtnf_netdev_get_priv(struct net_device *dev) 169 { 170 return *((void **)netdev_priv(dev)); 171 } 172 173 #endif /* _QTN_FMAC_CORE_H_ */ 174