| /****************************************************************************** |
| * |
| * 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 |
| |