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/cfg80211.h> 17 #include <linux/vmalloc.h> 18 #include <linux/firmware.h> 19 #include <linux/ctype.h> 20 #include <linux/workqueue.h> 21 #include <linux/slab.h> 22 #include <linux/platform_device.h> 23 24 #include "qlink.h" 25 #include "trans.h" 26 #include "qlink_util.h" 27 28 #undef pr_fmt 29 #define pr_fmt(fmt) KBUILD_MODNAME ": %s: " fmt, __func__ 30 31 #define QTNF_MAX_VSIE_LEN 255 32 #define QTNF_MAX_INTF 8 33 #define QTNF_MAX_EVENT_QUEUE_LEN 255 34 #define QTNF_SCAN_TIMEOUT_SEC 15 35 36 #define QTNF_DEF_BSS_PRIORITY 0 37 #define QTNF_DEF_WDOG_TIMEOUT 5 38 #define QTNF_TX_TIMEOUT_TRSHLD 100 39 40 extern const struct net_device_ops qtnf_netdev_ops; 41 42 struct qtnf_bus; 43 struct qtnf_vif; 44 45 struct qtnf_sta_node { 46 struct list_head list; 47 u8 mac_addr[ETH_ALEN]; 48 }; 49 50 struct qtnf_sta_list { 51 struct list_head head; 52 atomic_t size; 53 }; 54 55 struct qtnf_vif { 56 struct wireless_dev wdev; 57 u8 bssid[ETH_ALEN]; 58 u8 mac_addr[ETH_ALEN]; 59 u8 vifid; 60 u8 bss_priority; 61 u8 bss_status; 62 u16 mgmt_frames_bitmask; 63 struct net_device *netdev; 64 struct qtnf_wmac *mac; 65 66 struct work_struct reset_work; 67 struct work_struct high_pri_tx_work; 68 struct sk_buff_head high_pri_tx_queue; 69 struct qtnf_sta_list sta_list; 70 unsigned long cons_tx_timeout_cnt; 71 int generation; 72 }; 73 74 struct qtnf_mac_info { 75 u8 bands_cap; 76 u8 num_tx_chain; 77 u8 num_rx_chain; 78 u16 max_ap_assoc_sta; 79 u32 frag_thr; 80 u32 rts_thr; 81 u8 lretry_limit; 82 u8 sretry_limit; 83 u8 coverage_class; 84 u8 radar_detect_widths; 85 u8 max_scan_ssids; 86 u16 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_wmac { 98 u8 macid; 99 u8 wiphy_registered; 100 u8 macaddr[ETH_ALEN]; 101 struct qtnf_bus *bus; 102 struct qtnf_mac_info macinfo; 103 struct qtnf_vif iflist[QTNF_MAX_INTF]; 104 struct cfg80211_scan_request *scan_req; 105 struct mutex mac_lock; /* lock during wmac speicific ops */ 106 struct delayed_work scan_timeout; 107 struct ieee80211_regdomain *rd; 108 struct platform_device *pdev; 109 }; 110 111 struct qtnf_hw_info { 112 u32 ql_proto_ver; 113 u8 num_mac; 114 u8 mac_bitmap; 115 u32 fw_ver; 116 u8 total_tx_chain; 117 u8 total_rx_chain; 118 char fw_version[ETHTOOL_FWVERS_LEN]; 119 u32 hw_version; 120 u8 hw_capab[QLINK_HW_CAPAB_NUM / BITS_PER_BYTE + 1]; 121 }; 122 123 struct qtnf_vif *qtnf_mac_get_free_vif(struct qtnf_wmac *mac); 124 struct qtnf_vif *qtnf_mac_get_base_vif(struct qtnf_wmac *mac); 125 void qtnf_mac_iface_comb_free(struct qtnf_wmac *mac); 126 void qtnf_mac_ext_caps_free(struct qtnf_wmac *mac); 127 bool qtnf_slave_radar_get(void); 128 bool qtnf_dfs_offload_get(void); 129 struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus, 130 struct platform_device *pdev); 131 int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *priv, 132 const char *name, unsigned char name_assign_type); 133 void qtnf_main_work_queue(struct work_struct *work); 134 int qtnf_cmd_send_update_phy_params(struct qtnf_wmac *mac, u32 changed); 135 136 struct qtnf_wmac *qtnf_core_get_mac(const struct qtnf_bus *bus, u8 macid); 137 struct net_device *qtnf_classify_skb(struct qtnf_bus *bus, struct sk_buff *skb); 138 void qtnf_wake_all_queues(struct net_device *ndev); 139 140 void qtnf_virtual_intf_cleanup(struct net_device *ndev); 141 142 void qtnf_netdev_updown(struct net_device *ndev, bool up); 143 void qtnf_scan_done(struct qtnf_wmac *mac, bool aborted); 144 struct dentry *qtnf_get_debugfs_dir(void); 145 bool qtnf_netdev_is_qtn(const struct net_device *ndev); 146 147 static inline struct qtnf_vif *qtnf_netdev_get_priv(struct net_device *dev) 148 { 149 return *((void **)netdev_priv(dev)); 150 } 151 152 static inline bool qtnf_hwcap_is_set(const struct qtnf_hw_info *info, 153 unsigned int bit) 154 { 155 return qtnf_utils_is_bit_set(info->hw_capab, bit, 156 sizeof(info->hw_capab)); 157 } 158 159 #endif /* _QTN_FMAC_CORE_H_ */ 160