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_SCAN_TIMEOUT_SEC 15 48 49 #define QTNF_DEF_BSS_PRIORITY 0 50 #define QTNF_DEF_WDOG_TIMEOUT 5 51 #define QTNF_TX_TIMEOUT_TRSHLD 100 52 53 extern const struct net_device_ops qtnf_netdev_ops; 54 55 struct qtnf_bus; 56 struct qtnf_vif; 57 58 struct qtnf_sta_node { 59 struct list_head list; 60 u8 mac_addr[ETH_ALEN]; 61 }; 62 63 struct qtnf_sta_list { 64 struct list_head head; 65 atomic_t size; 66 }; 67 68 enum qtnf_sta_state { 69 QTNF_STA_DISCONNECTED, 70 QTNF_STA_CONNECTING, 71 QTNF_STA_CONNECTED 72 }; 73 74 struct qtnf_vif { 75 struct wireless_dev wdev; 76 u8 bssid[ETH_ALEN]; 77 u8 mac_addr[ETH_ALEN]; 78 u8 vifid; 79 u8 bss_priority; 80 u8 bss_status; 81 enum qtnf_sta_state sta_state; 82 u16 mgmt_frames_bitmask; 83 struct net_device *netdev; 84 struct qtnf_wmac *mac; 85 86 struct work_struct reset_work; 87 struct qtnf_sta_list sta_list; 88 unsigned long cons_tx_timeout_cnt; 89 int generation; 90 91 struct pcpu_sw_netstats __percpu *stats64; 92 }; 93 94 struct qtnf_mac_info { 95 u8 bands_cap; 96 u8 dev_mac[ETH_ALEN]; 97 u8 num_tx_chain; 98 u8 num_rx_chain; 99 u16 max_ap_assoc_sta; 100 u32 frag_thr; 101 u32 rts_thr; 102 u8 lretry_limit; 103 u8 sretry_limit; 104 u8 coverage_class; 105 u8 radar_detect_widths; 106 u32 max_acl_mac_addrs; 107 struct ieee80211_ht_cap ht_cap_mod_mask; 108 struct ieee80211_vht_cap vht_cap_mod_mask; 109 struct ieee80211_iface_combination *if_comb; 110 size_t n_if_comb; 111 u8 *extended_capabilities; 112 u8 *extended_capabilities_mask; 113 u8 extended_capabilities_len; 114 }; 115 116 struct qtnf_chan_stats { 117 u32 chan_num; 118 u32 cca_tx; 119 u32 cca_rx; 120 u32 cca_busy; 121 u32 cca_try; 122 s8 chan_noise; 123 }; 124 125 struct qtnf_wmac { 126 u8 macid; 127 u8 wiphy_registered; 128 u8 macaddr[ETH_ALEN]; 129 struct qtnf_bus *bus; 130 struct qtnf_mac_info macinfo; 131 struct qtnf_vif iflist[QTNF_MAX_INTF]; 132 struct cfg80211_scan_request *scan_req; 133 struct mutex mac_lock; /* lock during wmac speicific ops */ 134 struct delayed_work scan_timeout; 135 }; 136 137 struct qtnf_hw_info { 138 u16 ql_proto_ver; 139 u8 num_mac; 140 u8 mac_bitmap; 141 u32 fw_ver; 142 u32 hw_capab; 143 struct ieee80211_regdomain *rd; 144 u8 total_tx_chain; 145 u8 total_rx_chain; 146 char fw_version[ETHTOOL_FWVERS_LEN]; 147 u32 hw_version; 148 }; 149 150 struct qtnf_vif *qtnf_mac_get_free_vif(struct qtnf_wmac *mac); 151 struct qtnf_vif *qtnf_mac_get_base_vif(struct qtnf_wmac *mac); 152 void qtnf_mac_iface_comb_free(struct qtnf_wmac *mac); 153 struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus); 154 int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *priv, 155 const char *name, unsigned char name_assign_type); 156 void qtnf_main_work_queue(struct work_struct *work); 157 int qtnf_cmd_send_update_phy_params(struct qtnf_wmac *mac, u32 changed); 158 int qtnf_cmd_send_get_phy_params(struct qtnf_wmac *mac); 159 160 struct qtnf_wmac *qtnf_core_get_mac(const struct qtnf_bus *bus, u8 macid); 161 struct net_device *qtnf_classify_skb(struct qtnf_bus *bus, struct sk_buff *skb); 162 void qtnf_wake_all_queues(struct net_device *ndev); 163 void qtnf_update_rx_stats(struct net_device *ndev, const struct sk_buff *skb); 164 void qtnf_update_tx_stats(struct net_device *ndev, const struct sk_buff *skb); 165 166 void qtnf_virtual_intf_cleanup(struct net_device *ndev); 167 168 void qtnf_netdev_updown(struct net_device *ndev, bool up); 169 void qtnf_scan_done(struct qtnf_wmac *mac, bool aborted); 170 171 static inline struct qtnf_vif *qtnf_netdev_get_priv(struct net_device *dev) 172 { 173 return *((void **)netdev_priv(dev)); 174 } 175 176 #endif /* _QTN_FMAC_CORE_H_ */ 177