cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

mac.h (4820B)

      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
     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_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
     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);
    182int plfxlc_restore_settings(struct plfxlc_mac *mac);
    183
    184#endif /* PLFXLC_MAC_H */