diff options
Diffstat (limited to 'drivers/staging/rtl8712/rtl8712_recv.h')
| -rw-r--r-- | drivers/staging/rtl8712/rtl8712_recv.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/drivers/staging/rtl8712/rtl8712_recv.h b/drivers/staging/rtl8712/rtl8712_recv.h new file mode 100644 index 000000000..fd9e3fc4c --- /dev/null +++ b/drivers/staging/rtl8712/rtl8712_recv.h @@ -0,0 +1,157 @@ +/****************************************************************************** + * + * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * Modifications for inclusion into the Linux staging tree are + * Copyright(c) 2010 Larry Finger. All rights reserved. + * + * Contact information: + * WLAN FAE <wlanfae@realtek.com> + * Larry Finger <Larry.Finger@lwfinger.net> + * + ******************************************************************************/ +#ifndef _RTL8712_RECV_H_ +#define _RTL8712_RECV_H_ + +#include "osdep_service.h" +#include "drv_types.h" + +/* Realtek's v2.6.6 reduced this to 4. However, under heavy network and CPU + * loads, even 8 receive buffers might not be enough; cutting it to 4 seemed + * unwise. + */ +#define NR_RECVBUFF (8) + +#define NR_PREALLOC_RECV_SKB (8) +#define RXDESC_SIZE 24 +#define RXDESC_OFFSET RXDESC_SIZE +#define RECV_BLK_SZ 512 +#define RECV_BLK_CNT 16 +#define RECV_BLK_TH RECV_BLK_CNT +#define MAX_RECVBUF_SZ 9100 +#define RECVBUFF_ALIGN_SZ 512 +#define RSVD_ROOM_SZ (0) +/*These definition is used for Rx packet reordering.*/ +#define SN_LESS(a, b) (((a-b) & 0x800) != 0) +#define SN_EQUAL(a, b) (a == b) +#define REORDER_WAIT_TIME 30 /* (ms)*/ + +struct recv_stat { + unsigned int rxdw0; + unsigned int rxdw1; + unsigned int rxdw2; + unsigned int rxdw3; + unsigned int rxdw4; + unsigned int rxdw5; +}; + +struct phy_cck_rx_status { + /* For CCK rate descriptor. This is a unsigned 8:1 variable. + * LSB bit present 0.5. And MSB 7 bts present a signed value. + * Range from -64~+63.5. */ + u8 adc_pwdb_X[4]; + u8 sq_rpt; + u8 cck_agc_rpt; +}; + +struct phy_stat { + unsigned int phydw0; + unsigned int phydw1; + unsigned int phydw2; + unsigned int phydw3; + unsigned int phydw4; + unsigned int phydw5; + unsigned int phydw6; + unsigned int phydw7; +}; +#define PHY_STAT_GAIN_TRSW_SHT 0 +#define PHY_STAT_PWDB_ALL_SHT 4 +#define PHY_STAT_CFOSHO_SHT 5 +#define PHY_STAT_CCK_AGC_RPT_SHT 5 +#define PHY_STAT_CFOTAIL_SHT 9 +#define PHY_STAT_RXEVM_SHT 13 +#define PHY_STAT_RXSNR_SHT 15 +#define PHY_STAT_PDSNR_SHT 19 +#define PHY_STAT_CSI_CURRENT_SHT 21 +#define PHY_STAT_CSI_TARGET_SHT 23 +#define PHY_STAT_SIGEVM_SHT 25 +#define PHY_STAT_MAX_EX_PWR_SHT 26 + +union recvstat { + struct recv_stat recv_stat; + unsigned int value[RXDESC_SIZE>>2]; +}; + + +struct recv_buf { + struct list_head list; + spinlock_t recvbuf_lock; + u32 ref_cnt; + struct _adapter *adapter; + struct urb *purb; + _pkt *pskb; + u8 reuse; + u8 irp_pending; + u32 transfer_len; + uint len; + u8 *phead; + u8 *pdata; + u8 *ptail; + u8 *pend; + u8 *pbuf; + u8 *pallocated_buf; +}; + +/* + head -----> + data -----> + payload + tail -----> + end -----> + len = (unsigned int )(tail - data); +*/ +struct recv_frame_hdr { + struct list_head list; + _pkt *pkt; + _pkt *pkt_newalloc; + struct _adapter *adapter; + u8 fragcnt; + struct rx_pkt_attrib attrib; + uint len; + u8 *rx_head; + u8 *rx_data; + u8 *rx_tail; + u8 *rx_end; + void *precvbuf; + struct sta_info *psta; + /*for A-MPDU Rx reordering buffer control*/ + struct recv_reorder_ctrl *preorder_ctrl; +}; + +union recv_frame { + union { + struct list_head list; + struct recv_frame_hdr hdr; + } u; +}; + +int r8712_init_recvbuf(struct _adapter *padapter, struct recv_buf *precvbuf); +void r8712_rxcmd_event_hdl(struct _adapter *padapter, void *prxcmdbuf); +s32 r8712_signal_scale_mapping(s32 cur_sig); +void r8712_reordering_ctrl_timeout_handler(void *pcontext); + +#endif + |