Ali Bahar | cf3e688 | 2011-09-04 03:14:04 +0800 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of version 2 of the GNU General Public License as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program; if not, write to the Free Software Foundation, Inc., |
| 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| 17 | * |
| 18 | * Modifications for inclusion into the Linux staging tree are |
| 19 | * Copyright(c) 2010 Larry Finger. All rights reserved. |
| 20 | * |
| 21 | * Contact information: |
| 22 | * WLAN FAE <wlanfae@realtek.com> |
| 23 | * Larry Finger <Larry.Finger@lwfinger.net> |
| 24 | * |
| 25 | ******************************************************************************/ |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 26 | #ifndef _RTL8712_RECV_H_ |
| 27 | #define _RTL8712_RECV_H_ |
| 28 | |
| 29 | #include "osdep_service.h" |
| 30 | #include "drv_types.h" |
| 31 | |
Ali Bahar | ee5b1aa | 2011-09-04 03:14:21 +0800 | [diff] [blame] | 32 | /* Realtek's v2.6.6 reduced this to 4. However, under heavy network and CPU |
| 33 | * loads, even 8 receive buffers might not be enough; cutting it to 4 seemed |
| 34 | * unwise. |
| 35 | */ |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 36 | #define NR_RECVBUFF (8) |
Ali Bahar | ee5b1aa | 2011-09-04 03:14:21 +0800 | [diff] [blame] | 37 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 38 | #define NR_PREALLOC_RECV_SKB (8) |
| 39 | #define RXDESC_SIZE 24 |
| 40 | #define RXDESC_OFFSET RXDESC_SIZE |
| 41 | #define RECV_BLK_SZ 512 |
| 42 | #define RECV_BLK_CNT 16 |
| 43 | #define RECV_BLK_TH RECV_BLK_CNT |
Larry Finger | c500374 | 2012-07-28 11:39:48 -0500 | [diff] [blame] | 44 | #define MAX_RECVBUF_SZ 9100 |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 45 | #define RECVBUFF_ALIGN_SZ 512 |
| 46 | #define RSVD_ROOM_SZ (0) |
| 47 | /*These definition is used for Rx packet reordering.*/ |
| 48 | #define SN_LESS(a, b) (((a-b) & 0x800) != 0) |
| 49 | #define SN_EQUAL(a, b) (a == b) |
| 50 | #define REORDER_WAIT_TIME 30 /* (ms)*/ |
| 51 | |
| 52 | struct recv_stat { |
| 53 | unsigned int rxdw0; |
| 54 | unsigned int rxdw1; |
| 55 | unsigned int rxdw2; |
| 56 | unsigned int rxdw3; |
| 57 | unsigned int rxdw4; |
| 58 | unsigned int rxdw5; |
| 59 | }; |
| 60 | |
| 61 | struct phy_cck_rx_status { |
| 62 | /* For CCK rate descriptor. This is a unsigned 8:1 variable. |
| 63 | * LSB bit present 0.5. And MSB 7 bts present a signed value. |
| 64 | * Range from -64~+63.5. */ |
| 65 | u8 adc_pwdb_X[4]; |
| 66 | u8 sq_rpt; |
| 67 | u8 cck_agc_rpt; |
| 68 | }; |
| 69 | |
| 70 | struct phy_stat { |
| 71 | unsigned int phydw0; |
| 72 | unsigned int phydw1; |
| 73 | unsigned int phydw2; |
| 74 | unsigned int phydw3; |
| 75 | unsigned int phydw4; |
| 76 | unsigned int phydw5; |
| 77 | unsigned int phydw6; |
| 78 | unsigned int phydw7; |
| 79 | }; |
| 80 | #define PHY_STAT_GAIN_TRSW_SHT 0 |
| 81 | #define PHY_STAT_PWDB_ALL_SHT 4 |
| 82 | #define PHY_STAT_CFOSHO_SHT 5 |
| 83 | #define PHY_STAT_CCK_AGC_RPT_SHT 5 |
| 84 | #define PHY_STAT_CFOTAIL_SHT 9 |
| 85 | #define PHY_STAT_RXEVM_SHT 13 |
| 86 | #define PHY_STAT_RXSNR_SHT 15 |
| 87 | #define PHY_STAT_PDSNR_SHT 19 |
| 88 | #define PHY_STAT_CSI_CURRENT_SHT 21 |
| 89 | #define PHY_STAT_CSI_TARGET_SHT 23 |
| 90 | #define PHY_STAT_SIGEVM_SHT 25 |
| 91 | #define PHY_STAT_MAX_EX_PWR_SHT 26 |
| 92 | |
| 93 | union recvstat { |
| 94 | struct recv_stat recv_stat; |
| 95 | unsigned int value[RXDESC_SIZE>>2]; |
| 96 | }; |
| 97 | |
| 98 | |
| 99 | struct recv_buf { |
| 100 | struct list_head list; |
| 101 | spinlock_t recvbuf_lock; |
| 102 | u32 ref_cnt; |
| 103 | struct _adapter *adapter; |
| 104 | struct urb *purb; |
| 105 | _pkt *pskb; |
| 106 | u8 reuse; |
| 107 | u8 irp_pending; |
| 108 | u32 transfer_len; |
| 109 | uint len; |
| 110 | u8 *phead; |
| 111 | u8 *pdata; |
| 112 | u8 *ptail; |
| 113 | u8 *pend; |
| 114 | u8 *pbuf; |
| 115 | u8 *pallocated_buf; |
| 116 | }; |
| 117 | |
| 118 | /* |
| 119 | head -----> |
| 120 | data -----> |
| 121 | payload |
| 122 | tail -----> |
| 123 | end -----> |
| 124 | len = (unsigned int )(tail - data); |
| 125 | */ |
Javier M. Mellid | 0593758 | 2011-04-02 03:01:49 +0200 | [diff] [blame] | 126 | struct recv_frame_hdr { |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 127 | struct list_head list; |
| 128 | _pkt *pkt; |
| 129 | _pkt *pkt_newalloc; |
| 130 | struct _adapter *adapter; |
| 131 | u8 fragcnt; |
| 132 | struct rx_pkt_attrib attrib; |
| 133 | uint len; |
| 134 | u8 *rx_head; |
| 135 | u8 *rx_data; |
| 136 | u8 *rx_tail; |
| 137 | u8 *rx_end; |
| 138 | void *precvbuf; |
| 139 | struct sta_info *psta; |
| 140 | /*for A-MPDU Rx reordering buffer control*/ |
| 141 | struct recv_reorder_ctrl *preorder_ctrl; |
| 142 | }; |
| 143 | |
| 144 | union recv_frame { |
| 145 | union { |
| 146 | struct list_head list; |
| 147 | struct recv_frame_hdr hdr; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 148 | } u; |
| 149 | }; |
| 150 | |
| 151 | int r8712_init_recvbuf(struct _adapter *padapter, struct recv_buf *precvbuf); |
| 152 | void r8712_rxcmd_event_hdl(struct _adapter *padapter, void *prxcmdbuf); |
| 153 | s32 r8712_signal_scale_mapping(s32 cur_sig); |
| 154 | void r8712_reordering_ctrl_timeout_handler(void *pcontext); |
| 155 | |
| 156 | #endif |
| 157 | |