185 lines · c
1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright (c) 2021 pureLiFi4 */5 6#ifndef PLFXLC_MAC_H7#define PLFXLC_MAC_H8 9#include <linux/kernel.h>10#include <net/mac80211.h>11 12#include "chip.h"13 14#define PURELIFI_CCK 0x0015#define PURELIFI_OFDM 0x1016#define PURELIFI_CCK_PREA_SHORT 0x2017 18#define PURELIFI_OFDM_PLCP_RATE_6M 0xb19#define PURELIFI_OFDM_PLCP_RATE_9M 0xf20#define PURELIFI_OFDM_PLCP_RATE_12M 0xa21#define PURELIFI_OFDM_PLCP_RATE_18M 0xe22#define PURELIFI_OFDM_PLCP_RATE_24M 0x923#define PURELIFI_OFDM_PLCP_RATE_36M 0xd24#define PURELIFI_OFDM_PLCP_RATE_48M 0x825#define PURELIFI_OFDM_PLCP_RATE_54M 0xc26 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 0x8041#define PURELIFI_RX_CRC32_ERROR 0x1042 43#define PLF_REGDOMAIN_FCC 0x1044#define PLF_REGDOMAIN_IC 0x2045#define PLF_REGDOMAIN_ETSI 0x3046#define PLF_REGDOMAIN_SPAIN 0x3147#define PLF_REGDOMAIN_FRANCE 0x3248#define PLF_REGDOMAIN_JAPAN_2 0x4049#define PLF_REGDOMAIN_JAPAN 0x4150#define PLF_REGDOMAIN_JAPAN_3 0x4951 52#define PLF_RX_ERROR 0x8053#define PLF_RX_CRC32_ERROR 0x1054 55enum {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_NUM66};67 68#define plfxlc_mac_dev(mac) plfxlc_chip_dev(&(mac)->chip)69 70#define PURELIFI_MAC_STATS_BUFFER_SIZE 1671#define PURELIFI_MAC_MAX_ACK_WAITERS 5072 73struct 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 */89struct plfxlc_header {90 struct plfxlc_ctrlset plf_ctrl;91 u32 frametype;92 u8 *dmac;93} __packed;94 95struct 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 105struct 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 113enum plfxlc_device_flags {114 PURELIFI_DEVICE_RUNNING,115};116 117struct 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 147static inline struct plfxlc_mac *148plfxlc_hw_mac(struct ieee80211_hw *hw)149{150 return hw->priv;151}152 153static inline struct plfxlc_mac *154plfxlc_chip_to_mac(struct plfxlc_chip *chip)155{156 return container_of(chip, struct plfxlc_mac, chip);157}158 159static inline struct plfxlc_mac *160plfxlc_usb_to_mac(struct plfxlc_usb *usb)161{162 return plfxlc_chip_to_mac(plfxlc_usb_to_chip(usb));163}164 165static inline u8 *plfxlc_mac_get_perm_addr(struct plfxlc_mac *mac)166{167 return mac->hw->wiphy->perm_addr;168}169 170struct ieee80211_hw *plfxlc_mac_alloc_hw(struct usb_interface *intf);171void plfxlc_mac_release(struct plfxlc_mac *mac);172 173int plfxlc_mac_preinit_hw(struct ieee80211_hw *hw, const u8 *hw_address);174int plfxlc_mac_init_hw(struct ieee80211_hw *hw);175 176int plfxlc_mac_rx(struct ieee80211_hw *hw, const u8 *buffer,177 unsigned int length);178void plfxlc_mac_tx_failed(struct urb *urb);179void plfxlc_mac_tx_to_dev(struct sk_buff *skb, int error);180int plfxlc_op_start(struct ieee80211_hw *hw);181void plfxlc_op_stop(struct ieee80211_hw *hw, bool suspend);182int plfxlc_restore_settings(struct plfxlc_mac *mac);183 184#endif /* PLFXLC_MAC_H */185