1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (c) 2021 pureLiFi 4 */ 5 6 #ifndef PLFXLC_MAC_H 7 #define PLFXLC_MAC_H 8 9 #include <linux/kernel.h> 10 #include <net/mac80211.h> 11 12 #include "chip.h" 13 14 #define PURELIFI_CCK 0x00 15 #define PURELIFI_OFDM 0x10 16 #define PURELIFI_CCK_PREA_SHORT 0x20 17 18 #define PURELIFI_OFDM_PLCP_RATE_6M 0xb 19 #define PURELIFI_OFDM_PLCP_RATE_9M 0xf 20 #define PURELIFI_OFDM_PLCP_RATE_12M 0xa 21 #define PURELIFI_OFDM_PLCP_RATE_18M 0xe 22 #define PURELIFI_OFDM_PLCP_RATE_24M 0x9 23 #define PURELIFI_OFDM_PLCP_RATE_36M 0xd 24 #define PURELIFI_OFDM_PLCP_RATE_48M 0x8 25 #define PURELIFI_OFDM_PLCP_RATE_54M 0xc 26 27 #define PURELIFI_CCK_RATE_1M (PURELIFI_CCK | 0x00) 28 #define PURELIFI_CCK_RATE_2M (PURELIFI_CCK | 0x01) 29 #define PURELIFI_CCK_RATE_5_5M (PURELIFI_CCK | 0x02) 30 #define PURELIFI_CCK_RATE_11M (PURELIFI_CCK | 0x03) 31 #define PURELIFI_OFDM_RATE_6M (PURELIFI_OFDM | PURELIFI_OFDM_PLCP_RATE_6M) 32 #define PURELIFI_OFDM_RATE_9M (PURELIFI_OFDM | PURELIFI_OFDM_PLCP_RATE_9M) 33 #define PURELIFI_OFDM_RATE_12M (PURELIFI_OFDM | PURELIFI_OFDM_PLCP_RATE_12M) 34 #define PURELIFI_OFDM_RATE_18M (PURELIFI_OFDM | PURELIFI_OFDM_PLCP_RATE_18M) 35 #define PURELIFI_OFDM_RATE_24M (PURELIFI_OFDM | PURELIFI_OFDM_PLCP_RATE_24M) 36 #define PURELIFI_OFDM_RATE_36M (PURELIFI_OFDM | PURELIFI_OFDM_PLCP_RATE_36M) 37 #define PURELIFI_OFDM_RATE_48M (PURELIFI_OFDM | PURELIFI_OFDM_PLCP_RATE_48M) 38 #define PURELIFI_OFDM_RATE_54M (PURELIFI_OFDM | PURELIFI_OFDM_PLCP_RATE_54M) 39 40 #define PURELIFI_RX_ERROR 0x80 41 #define PURELIFI_RX_CRC32_ERROR 0x10 42 43 #define PLF_REGDOMAIN_FCC 0x10 44 #define PLF_REGDOMAIN_IC 0x20 45 #define PLF_REGDOMAIN_ETSI 0x30 46 #define PLF_REGDOMAIN_SPAIN 0x31 47 #define PLF_REGDOMAIN_FRANCE 0x32 48 #define PLF_REGDOMAIN_JAPAN_2 0x40 49 #define PLF_REGDOMAIN_JAPAN 0x41 50 #define PLF_REGDOMAIN_JAPAN_3 0x49 51 52 #define PLF_RX_ERROR 0x80 53 #define PLF_RX_CRC32_ERROR 0x10 54 55 enum { 56 MODULATION_RATE_BPSK_1_2 = 0, 57 MODULATION_RATE_BPSK_3_4, 58 MODULATION_RATE_QPSK_1_2, 59 MODULATION_RATE_QPSK_3_4, 60 MODULATION_RATE_QAM16_1_2, 61 MODULATION_RATE_QAM16_3_4, 62 MODULATION_RATE_QAM64_1_2, 63 MODULATION_RATE_QAM64_3_4, 64 MODULATION_RATE_AUTO, 65 MODULATION_RATE_NUM 66 }; 67 68 #define plfxlc_mac_dev(mac) plfxlc_chip_dev(&(mac)->chip) 69 70 #define PURELIFI_MAC_STATS_BUFFER_SIZE 16 71 #define PURELIFI_MAC_MAX_ACK_WAITERS 50 72 73 struct plfxlc_ctrlset { 74 /* id should be plf_usb_req_enum */ 75 __be32 id; 76 __be32 len; 77 u8 modulation; 78 u8 control; 79 u8 service; 80 u8 pad; 81 __le16 packet_length; 82 __le16 current_length; 83 __le16 next_frame_length; 84 __le16 tx_length; 85 __be32 payload_len_nw; 86 } __packed; 87 88 /* overlay */ 89 struct plfxlc_header { 90 struct plfxlc_ctrlset plf_ctrl; 91 u32 frametype; 92 u8 *dmac; 93 } __packed; 94 95 struct tx_status { 96 u8 type; 97 u8 id; 98 u8 rate; 99 u8 pad; 100 u8 mac[ETH_ALEN]; 101 u8 retry; 102 u8 failure; 103 } __packed; 104 105 struct beacon { 106 struct delayed_work watchdog_work; 107 struct sk_buff *cur_beacon; 108 unsigned long last_update; 109 u16 interval; 110 u8 period; 111 }; 112 113 enum plfxlc_device_flags { 114 PURELIFI_DEVICE_RUNNING, 115 }; 116 117 struct plfxlc_mac { 118 struct ieee80211_hw *hw; 119 struct ieee80211_vif *vif; 120 struct beacon beacon; 121 struct work_struct set_rts_cts_work; 122 struct work_struct process_intr; 123 struct plfxlc_mc_hash multicast_hash; 124 struct sk_buff_head ack_wait_queue; 125 struct ieee80211_channel channels[14]; 126 struct ieee80211_rate rates[12]; 127 struct ieee80211_supported_band band; 128 struct plfxlc_chip chip; 129 spinlock_t lock; /* lock for mac data */ 130 u8 intr_buffer[USB_MAX_EP_INT_BUFFER]; 131 char serial_number[PURELIFI_SERIAL_LEN]; 132 unsigned char hw_address[ETH_ALEN]; 133 u8 default_regdomain; 134 unsigned long flags; 135 bool pass_failed_fcs; 136 bool pass_ctrl; 137 bool ack_pending; 138 int ack_signal; 139 int associated; 140 u8 regdomain; 141 u8 channel; 142 int type; 143 u64 crc_errors; 144 u64 rssi; 145 }; 146 147 static inline struct plfxlc_mac * 148 plfxlc_hw_mac(struct ieee80211_hw *hw) 149 { 150 return hw->priv; 151 } 152 153 static inline struct plfxlc_mac * 154 plfxlc_chip_to_mac(struct plfxlc_chip *chip) 155 { 156 return container_of(chip, struct plfxlc_mac, chip); 157 } 158 159 static inline struct plfxlc_mac * 160 plfxlc_usb_to_mac(struct plfxlc_usb *usb) 161 { 162 return plfxlc_chip_to_mac(plfxlc_usb_to_chip(usb)); 163 } 164 165 static inline u8 *plfxlc_mac_get_perm_addr(struct plfxlc_mac *mac) 166 { 167 return mac->hw->wiphy->perm_addr; 168 } 169 170 struct ieee80211_hw *plfxlc_mac_alloc_hw(struct usb_interface *intf); 171 void plfxlc_mac_release(struct plfxlc_mac *mac); 172 173 int plfxlc_mac_preinit_hw(struct ieee80211_hw *hw, const u8 *hw_address); 174 int plfxlc_mac_init_hw(struct ieee80211_hw *hw); 175 176 int plfxlc_mac_rx(struct ieee80211_hw *hw, const u8 *buffer, 177 unsigned int length); 178 void plfxlc_mac_tx_failed(struct urb *urb); 179 void plfxlc_mac_tx_to_dev(struct sk_buff *skb, int error); 180 int plfxlc_op_start(struct ieee80211_hw *hw); 181 void plfxlc_op_stop(struct ieee80211_hw *hw, bool suspend); 182 int plfxlc_restore_settings(struct plfxlc_mac *mac); 183 184 #endif /* PLFXLC_MAC_H */ 185