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 #include <linux/platform_device.h> 24 25 #include "qlink.h" 26 #include "trans.h" 27 #include "qlink_util.h" 28 29 #undef pr_fmt 30 #define pr_fmt(fmt) KBUILD_MODNAME ": %s: " fmt, __func__ 31 32 #define QTNF_MAX_VSIE_LEN 255 33 #define QTNF_MAX_INTF 8 34 #define QTNF_MAX_EVENT_QUEUE_LEN 255 35 #define QTNF_SCAN_TIMEOUT_SEC 15 36 37 #define QTNF_DEF_BSS_PRIORITY 0 38 #define QTNF_DEF_WDOG_TIMEOUT 5 39 #define QTNF_TX_TIMEOUT_TRSHLD 100 40 41 extern const struct net_device_ops qtnf_netdev_ops; 42 43 struct qtnf_bus; 44 struct qtnf_vif; 45 46 struct qtnf_sta_node { 47 struct list_head list; 48 u8 mac_addr[ETH_ALEN]; 49 }; 50 51 struct qtnf_sta_list { 52 struct list_head head; 53 atomic_t size; 54 }; 55 56 struct qtnf_vif { 57 struct wireless_dev wdev; 58 u8 bssid[ETH_ALEN]; 59 u8 mac_addr[ETH_ALEN]; 60 u8 vifid; 61 u8 bss_priority; 62 u8 bss_status; 63 u16 mgmt_frames_bitmask; 64 struct net_device *netdev; 65 struct qtnf_wmac *mac; 66 67 struct work_struct reset_work; 68 struct work_struct high_pri_tx_work; 69 struct sk_buff_head high_pri_tx_queue; 70 struct qtnf_sta_list sta_list; 71 unsigned long cons_tx_timeout_cnt; 72 int generation; 73 74 struct pcpu_sw_netstats __percpu *stats64; 75 }; 76 77 struct qtnf_mac_info { 78 u8 bands_cap; 79 u8 num_tx_chain; 80 u8 num_rx_chain; 81 u16 max_ap_assoc_sta; 82 u32 frag_thr; 83 u32 rts_thr; 84 u8 lretry_limit; 85 u8 sretry_limit; 86 u8 coverage_class; 87 u8 radar_detect_widths; 88 u8 max_scan_ssids; 89 u16 max_acl_mac_addrs; 90 struct ieee80211_ht_cap ht_cap_mod_mask; 91 struct ieee80211_vht_cap vht_cap_mod_mask; 92 struct ieee80211_iface_combination *if_comb; 93 size_t n_if_comb; 94 u8 *extended_capabilities; 95 u8 *extended_capabilities_mask; 96 u8 extended_capabilities_len; 97 struct wiphy_wowlan_support *wowlan; 98 }; 99 100 struct qtnf_wmac { 101 u8 macid; 102 u8 wiphy_registered; 103 u8 macaddr[ETH_ALEN]; 104 struct qtnf_bus *bus; 105 struct qtnf_mac_info macinfo; 106 struct qtnf_vif iflist[QTNF_MAX_INTF]; 107 struct cfg80211_scan_request *scan_req; 108 struct mutex mac_lock; /* lock during wmac speicific ops */ 109 struct delayed_work scan_timeout; 110 struct ieee80211_regdomain *rd; 111 struct platform_device *pdev; 112 }; 113 114 struct qtnf_hw_info { 115 u32 ql_proto_ver; 116 u8 num_mac; 117 u8 mac_bitmap; 118 u32 fw_ver; 119 u8 total_tx_chain; 120 u8 total_rx_chain; 121 char fw_version[ETHTOOL_FWVERS_LEN]; 122 u32 hw_version; 123 u8 hw_capab[QLINK_HW_CAPAB_NUM / BITS_PER_BYTE + 1]; 124 }; 125 126 struct qtnf_vif *qtnf_mac_get_free_vif(struct qtnf_wmac *mac); 127 struct qtnf_vif *qtnf_mac_get_base_vif(struct qtnf_wmac *mac); 128 void qtnf_mac_iface_comb_free(struct qtnf_wmac *mac); 129 void qtnf_mac_ext_caps_free(struct qtnf_wmac *mac); 130 bool qtnf_slave_radar_get(void); 131 bool qtnf_dfs_offload_get(void); 132 struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus, 133 struct platform_device *pdev); 134 int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *priv, 135 const char *name, unsigned char name_assign_type); 136 void qtnf_main_work_queue(struct work_struct *work); 137 int qtnf_cmd_send_update_phy_params(struct qtnf_wmac *mac, u32 changed); 138 139 struct qtnf_wmac *qtnf_core_get_mac(const struct qtnf_bus *bus, u8 macid); 140 struct net_device *qtnf_classify_skb(struct qtnf_bus *bus, struct sk_buff *skb); 141 void qtnf_wake_all_queues(struct net_device *ndev); 142 void qtnf_update_rx_stats(struct net_device *ndev, const struct sk_buff *skb); 143 void qtnf_update_tx_stats(struct net_device *ndev, const struct sk_buff *skb); 144 145 void qtnf_virtual_intf_cleanup(struct net_device *ndev); 146 147 void qtnf_netdev_updown(struct net_device *ndev, bool up); 148 void qtnf_scan_done(struct qtnf_wmac *mac, bool aborted); 149 struct dentry *qtnf_get_debugfs_dir(void); 150 bool qtnf_netdev_is_qtn(const struct net_device *ndev); 151 152 static inline struct qtnf_vif *qtnf_netdev_get_priv(struct net_device *dev) 153 { 154 return *((void **)netdev_priv(dev)); 155 } 156 157 static inline bool qtnf_hwcap_is_set(const struct qtnf_hw_info *info, 158 unsigned int bit) 159 { 160 return qtnf_utils_is_bit_set(info->hw_capab, bit, 161 sizeof(info->hw_capab)); 162 } 163 164 #endif /* _QTN_FMAC_CORE_H_ */ 165