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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sta_info.h (3641B)

      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 __STA_INFO_H_
     15#define __STA_INFO_H_
     16
     17#include "osdep_service.h"
     18#include "drv_types.h"
     19#include "wifi.h"
     20
     21#define NUM_STA 32
     22#define NUM_ACL 64
     23
     24/* if mode ==0, then the sta is allowed once the addr is hit.
     25 * if mode ==1, then the sta is rejected once the addr is non-hit.
     26 */
     27struct wlan_acl_node {
     28	struct list_head list;
     29	u8       addr[ETH_ALEN];
     30	u8       mode;
     31};
     32
     33struct wlan_acl_pool {
     34	struct wlan_acl_node aclnode[NUM_ACL];
     35};
     36
     37struct	stainfo_stats {
     38	uint	rx_pkts;
     39	uint	rx_bytes;
     40	u64	tx_pkts;
     41	uint	tx_bytes;
     42};
     43
     44struct sta_info {
     45	spinlock_t lock;
     46	struct list_head list; /*free_sta_queue*/
     47	struct list_head hash_list; /*sta_hash*/
     48	struct sta_xmit_priv sta_xmitpriv;
     49	struct sta_recv_priv sta_recvpriv;
     50	uint state;
     51	uint aid;
     52	uint	mac_id;
     53	uint	qos_option;
     54	u8	hwaddr[ETH_ALEN];
     55	uint	ieee8021x_blocked;	/*0: allowed, 1:blocked */
     56	uint	XPrivacy; /*aes, tkip...*/
     57	union Keytype	tkiptxmickey;
     58	union Keytype	tkiprxmickey;
     59	union Keytype	x_UncstKey;
     60	union pn48		txpn;	/* PN48 used for Unicast xmit.*/
     61	union pn48		rxpn;	/* PN48 used for Unicast recv.*/
     62	u8	bssrateset[16];
     63	uint	bssratelen;
     64	s32  rssi;
     65	s32	signal_quality;
     66	struct stainfo_stats sta_stats;
     67	/*for A-MPDU Rx reordering buffer control */
     68	struct recv_reorder_ctrl recvreorder_ctrl[16];
     69	struct ht_priv	htpriv;
     70	/* Notes:
     71	 * STA_Mode:
     72	 * curr_network(mlme_priv/security_priv/qos/ht)
     73	 *   + sta_info: (STA & AP) CAP/INFO
     74	 * scan_q: AP CAP/INFO
     75	 * AP_Mode:
     76	 * curr_network(mlme_priv/security_priv/qos/ht) : AP CAP/INFO
     77	 * sta_info: (AP & STA) CAP/INFO
     78	 */
     79	struct list_head asoc_list;
     80	struct list_head auth_list;
     81	unsigned int expire_to;
     82	unsigned int auth_seq;
     83	unsigned int authalg;
     84	unsigned char chg_txt[128];
     85	unsigned int tx_ra_bitmap;
     86};
     87
     88struct	sta_priv {
     89	u8 *pallocated_stainfo_buf;
     90	u8 *pstainfo_buf;
     91	struct  __queue	free_sta_queue;
     92	spinlock_t sta_hash_lock;
     93	struct list_head sta_hash[NUM_STA];
     94	int asoc_sta_count;
     95	struct  __queue sleep_q;
     96	struct  __queue wakeup_q;
     97	struct _adapter *padapter;
     98	struct list_head asoc_list;
     99	struct list_head auth_list;
    100	unsigned int auth_to;  /* sec, time to expire in authenticating. */
    101	unsigned int assoc_to; /* sec, time to expire before associating. */
    102	unsigned int expire_to; /* sec , time to expire after associated. */
    103};
    104
    105static inline u32 wifi_mac_hash(u8 *mac)
    106{
    107	u32 x;
    108
    109	x = mac[0];
    110	x = (x << 2) ^ mac[1];
    111	x = (x << 2) ^ mac[2];
    112	x = (x << 2) ^ mac[3];
    113	x = (x << 2) ^ mac[4];
    114	x = (x << 2) ^ mac[5];
    115	x ^= x >> 8;
    116	x  = x & (NUM_STA - 1);
    117	return x;
    118}
    119
    120int _r8712_init_sta_priv(struct sta_priv *pstapriv);
    121void _r8712_free_sta_priv(struct sta_priv *pstapriv);
    122struct sta_info *r8712_alloc_stainfo(struct sta_priv *pstapriv,
    123				     u8 *hwaddr);
    124void r8712_free_stainfo(struct _adapter *padapter, struct sta_info *psta);
    125void r8712_free_all_stainfo(struct _adapter *padapter);
    126struct sta_info *r8712_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr);
    127void r8712_init_bcmc_stainfo(struct _adapter *padapter);
    128struct sta_info *r8712_get_bcmc_stainfo(struct _adapter *padapter);
    129u8 r8712_access_ctrl(struct wlan_acl_pool *pacl_list, u8 *mac_addr);
    130
    131#endif /* _STA_INFO_H_ */
    132