cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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rtl8712_recv.h (3307B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/******************************************************************************
      3 *
      4 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
      5 *
      6 * Modifications for inclusion into the Linux staging tree are
      7 * Copyright(c) 2010 Larry Finger. All rights reserved.
      8 *
      9 * Contact information:
     10 * WLAN FAE <wlanfae@realtek.com>
     11 * Larry Finger <Larry.Finger@lwfinger.net>
     12 *
     13 ******************************************************************************/
     14#ifndef _RTL8712_RECV_H_
     15#define _RTL8712_RECV_H_
     16
     17#include "osdep_service.h"
     18#include "drv_types.h"
     19
     20/* Realtek's v2.6.6 reduced this to 4. However, under heavy network and CPU
     21 * loads, even 8 receive buffers might not be enough; cutting it to 4 seemed
     22 * unwise.
     23 */
     24#define NR_RECVBUFF (8)
     25
     26#define NR_PREALLOC_RECV_SKB (8)
     27#define RXDESC_SIZE	24
     28#define RXDESC_OFFSET RXDESC_SIZE
     29#define RECV_BLK_SZ 512
     30#define RECV_BLK_CNT 16
     31#define RECV_BLK_TH RECV_BLK_CNT
     32#define MAX_RECVBUF_SZ 9100
     33#define RECVBUFF_ALIGN_SZ 512
     34#define RSVD_ROOM_SZ (0)
     35/*These definition is used for Rx packet reordering.*/
     36#define SN_LESS(a, b)		(((a-b) & 0x800) != 0)
     37#define SN_EQUAL(a, b)	(a == b)
     38#define REORDER_WAIT_TIME	30 /* (ms)*/
     39
     40struct recv_stat {
     41	__le32 rxdw0;
     42	__le32 rxdw1;
     43	__le32 rxdw2;
     44	__le32 rxdw3;
     45	__le32 rxdw4;
     46	__le32 rxdw5;
     47};
     48
     49struct phy_cck_rx_status {
     50	/* For CCK rate descriptor. This is a unsigned 8:1 variable.
     51	 * LSB bit present 0.5. And MSB 7 bts present a signed value.
     52	 * Range from -64~+63.5.
     53	 */
     54	u8	adc_pwdb_X[4];
     55	u8	sq_rpt;
     56	u8	cck_agc_rpt;
     57};
     58
     59struct phy_stat {
     60	__le32 phydw0;
     61	__le32 phydw1;
     62	__le32 phydw2;
     63	__le32 phydw3;
     64	__le32 phydw4;
     65	__le32 phydw5;
     66	__le32 phydw6;
     67	__le32 phydw7;
     68};
     69
     70#define PHY_STAT_GAIN_TRSW_SHT 0
     71#define PHY_STAT_PWDB_ALL_SHT 4
     72#define PHY_STAT_CFOSHO_SHT 5
     73#define PHY_STAT_CCK_AGC_RPT_SHT 5
     74#define PHY_STAT_CFOTAIL_SHT 9
     75#define PHY_STAT_RXEVM_SHT 13
     76#define PHY_STAT_RXSNR_SHT 15
     77#define PHY_STAT_PDSNR_SHT 19
     78#define PHY_STAT_CSI_CURRENT_SHT 21
     79#define PHY_STAT_CSI_TARGET_SHT 23
     80#define PHY_STAT_SIGEVM_SHT 25
     81#define PHY_STAT_MAX_EX_PWR_SHT 26
     82
     83union recvstat {
     84	struct recv_stat recv_stat;
     85	unsigned int value[RXDESC_SIZE>>2];
     86};
     87
     88struct recv_buf {
     89	struct list_head list;
     90	spinlock_t recvbuf_lock;
     91	u32	ref_cnt;
     92	struct _adapter  *adapter;
     93	struct urb *purb;
     94	_pkt *pskb;
     95	u8  irp_pending;
     96	u32  transfer_len;
     97	uint  len;
     98	u8 *phead;
     99	u8 *pdata;
    100	u8 *ptail;
    101	u8 *pend;
    102	u8 *pbuf;
    103	u8 *pallocated_buf;
    104};
    105
    106/*
    107 *	head  ----->
    108 *		data  ----->
    109 *			payload
    110 *		tail  ----->
    111 *	end   ----->
    112 *	len = (unsigned int )(tail - data);
    113 */
    114struct recv_frame_hdr {
    115	struct list_head list;
    116	_pkt	*pkt;
    117	_pkt *pkt_newalloc;
    118	struct _adapter  *adapter;
    119	u8 fragcnt;
    120	struct rx_pkt_attrib attrib;
    121	uint  len;
    122	u8 *rx_head;
    123	u8 *rx_data;
    124	u8 *rx_tail;
    125	u8 *rx_end;
    126	void *precvbuf;
    127	struct sta_info *psta;
    128	/*for A-MPDU Rx reordering buffer control*/
    129	struct recv_reorder_ctrl *preorder_ctrl;
    130};
    131
    132union recv_frame {
    133	union {
    134		struct list_head list;
    135		struct recv_frame_hdr hdr;
    136	} u;
    137};
    138
    139void r8712_init_recvbuf(struct _adapter *padapter, struct recv_buf *precvbuf);
    140void r8712_rxcmd_event_hdl(struct _adapter *padapter, void *prxcmdbuf);
    141s32 r8712_signal_scale_mapping(s32 cur_sig);
    142void r8712_reordering_ctrl_timeout_handler(void *pcontext);
    143
    144#endif
    145