185 lines
4.7 KiB
C
185 lines
4.7 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2021 pureLiFi
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*/
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#ifndef PLFXLC_MAC_H
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#define PLFXLC_MAC_H
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#include <linux/kernel.h>
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#include <net/mac80211.h>
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#include "chip.h"
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#define PURELIFI_CCK 0x00
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#define PURELIFI_OFDM 0x10
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#define PURELIFI_CCK_PREA_SHORT 0x20
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#define PURELIFI_OFDM_PLCP_RATE_6M 0xb
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#define PURELIFI_OFDM_PLCP_RATE_9M 0xf
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#define PURELIFI_OFDM_PLCP_RATE_12M 0xa
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#define PURELIFI_OFDM_PLCP_RATE_18M 0xe
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#define PURELIFI_OFDM_PLCP_RATE_24M 0x9
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#define PURELIFI_OFDM_PLCP_RATE_36M 0xd
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#define PURELIFI_OFDM_PLCP_RATE_48M 0x8
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#define PURELIFI_OFDM_PLCP_RATE_54M 0xc
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#define PURELIFI_CCK_RATE_1M (PURELIFI_CCK | 0x00)
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#define PURELIFI_CCK_RATE_2M (PURELIFI_CCK | 0x01)
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#define PURELIFI_CCK_RATE_5_5M (PURELIFI_CCK | 0x02)
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#define PURELIFI_CCK_RATE_11M (PURELIFI_CCK | 0x03)
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#define PURELIFI_OFDM_RATE_6M (PURELIFI_OFDM | PURELIFI_OFDM_PLCP_RATE_6M)
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#define PURELIFI_OFDM_RATE_9M (PURELIFI_OFDM | PURELIFI_OFDM_PLCP_RATE_9M)
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#define PURELIFI_OFDM_RATE_12M (PURELIFI_OFDM | PURELIFI_OFDM_PLCP_RATE_12M)
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#define PURELIFI_OFDM_RATE_18M (PURELIFI_OFDM | PURELIFI_OFDM_PLCP_RATE_18M)
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#define PURELIFI_OFDM_RATE_24M (PURELIFI_OFDM | PURELIFI_OFDM_PLCP_RATE_24M)
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#define PURELIFI_OFDM_RATE_36M (PURELIFI_OFDM | PURELIFI_OFDM_PLCP_RATE_36M)
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#define PURELIFI_OFDM_RATE_48M (PURELIFI_OFDM | PURELIFI_OFDM_PLCP_RATE_48M)
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#define PURELIFI_OFDM_RATE_54M (PURELIFI_OFDM | PURELIFI_OFDM_PLCP_RATE_54M)
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#define PURELIFI_RX_ERROR 0x80
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#define PURELIFI_RX_CRC32_ERROR 0x10
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#define PLF_REGDOMAIN_FCC 0x10
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#define PLF_REGDOMAIN_IC 0x20
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#define PLF_REGDOMAIN_ETSI 0x30
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#define PLF_REGDOMAIN_SPAIN 0x31
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#define PLF_REGDOMAIN_FRANCE 0x32
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#define PLF_REGDOMAIN_JAPAN_2 0x40
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#define PLF_REGDOMAIN_JAPAN 0x41
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#define PLF_REGDOMAIN_JAPAN_3 0x49
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#define PLF_RX_ERROR 0x80
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#define PLF_RX_CRC32_ERROR 0x10
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enum {
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MODULATION_RATE_BPSK_1_2 = 0,
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MODULATION_RATE_BPSK_3_4,
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MODULATION_RATE_QPSK_1_2,
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MODULATION_RATE_QPSK_3_4,
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MODULATION_RATE_QAM16_1_2,
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MODULATION_RATE_QAM16_3_4,
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MODULATION_RATE_QAM64_1_2,
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MODULATION_RATE_QAM64_3_4,
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MODULATION_RATE_AUTO,
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MODULATION_RATE_NUM
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};
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#define plfxlc_mac_dev(mac) plfxlc_chip_dev(&(mac)->chip)
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#define PURELIFI_MAC_STATS_BUFFER_SIZE 16
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#define PURELIFI_MAC_MAX_ACK_WAITERS 50
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struct plfxlc_ctrlset {
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/* id should be plf_usb_req_enum */
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__be32 id;
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__be32 len;
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u8 modulation;
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u8 control;
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u8 service;
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u8 pad;
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__le16 packet_length;
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__le16 current_length;
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__le16 next_frame_length;
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__le16 tx_length;
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__be32 payload_len_nw;
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} __packed;
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/* overlay */
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struct plfxlc_header {
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struct plfxlc_ctrlset plf_ctrl;
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u32 frametype;
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u8 *dmac;
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} __packed;
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struct tx_status {
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u8 type;
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u8 id;
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u8 rate;
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u8 pad;
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u8 mac[ETH_ALEN];
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u8 retry;
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u8 failure;
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} __packed;
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struct beacon {
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struct delayed_work watchdog_work;
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struct sk_buff *cur_beacon;
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unsigned long last_update;
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u16 interval;
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u8 period;
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};
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enum plfxlc_device_flags {
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PURELIFI_DEVICE_RUNNING,
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};
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struct plfxlc_mac {
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struct ieee80211_hw *hw;
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struct ieee80211_vif *vif;
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struct beacon beacon;
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struct work_struct set_rts_cts_work;
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struct work_struct process_intr;
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struct plfxlc_mc_hash multicast_hash;
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struct sk_buff_head ack_wait_queue;
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struct ieee80211_channel channels[14];
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struct ieee80211_rate rates[12];
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struct ieee80211_supported_band band;
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struct plfxlc_chip chip;
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spinlock_t lock; /* lock for mac data */
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u8 intr_buffer[USB_MAX_EP_INT_BUFFER];
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char serial_number[PURELIFI_SERIAL_LEN];
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unsigned char hw_address[ETH_ALEN];
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u8 default_regdomain;
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unsigned long flags;
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bool pass_failed_fcs;
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bool pass_ctrl;
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bool ack_pending;
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int ack_signal;
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int associated;
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u8 regdomain;
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u8 channel;
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int type;
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u64 crc_errors;
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u64 rssi;
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};
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static inline struct plfxlc_mac *
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plfxlc_hw_mac(struct ieee80211_hw *hw)
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{
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return hw->priv;
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}
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static inline struct plfxlc_mac *
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plfxlc_chip_to_mac(struct plfxlc_chip *chip)
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{
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return container_of(chip, struct plfxlc_mac, chip);
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}
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static inline struct plfxlc_mac *
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plfxlc_usb_to_mac(struct plfxlc_usb *usb)
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{
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return plfxlc_chip_to_mac(plfxlc_usb_to_chip(usb));
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}
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static inline u8 *plfxlc_mac_get_perm_addr(struct plfxlc_mac *mac)
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{
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return mac->hw->wiphy->perm_addr;
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}
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struct ieee80211_hw *plfxlc_mac_alloc_hw(struct usb_interface *intf);
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void plfxlc_mac_release(struct plfxlc_mac *mac);
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int plfxlc_mac_preinit_hw(struct ieee80211_hw *hw, const u8 *hw_address);
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int plfxlc_mac_init_hw(struct ieee80211_hw *hw);
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int plfxlc_mac_rx(struct ieee80211_hw *hw, const u8 *buffer,
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unsigned int length);
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void plfxlc_mac_tx_failed(struct urb *urb);
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void plfxlc_mac_tx_to_dev(struct sk_buff *skb, int error);
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int plfxlc_op_start(struct ieee80211_hw *hw);
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void plfxlc_op_stop(struct ieee80211_hw *hw);
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int plfxlc_restore_settings(struct plfxlc_mac *mac);
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#endif /* PLFXLC_MAC_H */
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