Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 1 | #ifndef _RTL871X_RECV_H_ |
| 2 | #define _RTL871X_RECV_H_ |
| 3 | |
| 4 | #include "osdep_service.h" |
| 5 | #include "drv_types.h" |
| 6 | |
| 7 | #define NR_RECVFRAME 256 |
| 8 | |
| 9 | #define RXFRAME_ALIGN 8 |
| 10 | #define RXFRAME_ALIGN_SZ (1 << RXFRAME_ALIGN) |
| 11 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 12 | #define MAX_SUBFRAME_COUNT 64 |
| 13 | |
| 14 | #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr) |
| 15 | |
| 16 | /* for Rx reordering buffer control */ |
| 17 | struct recv_reorder_ctrl { |
| 18 | struct _adapter *padapter; |
Javier M. Mellid | 0593758 | 2011-04-02 03:01:49 +0200 | [diff] [blame] | 19 | u16 indicate_seq; /* =wstart_b, init_value=0xffff */ |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 20 | u16 wend_b; |
Javier M. Mellid | 0593758 | 2011-04-02 03:01:49 +0200 | [diff] [blame] | 21 | u8 wsize_b; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 22 | struct __queue pending_recvframe_queue; |
| 23 | struct timer_list reordering_ctrl_timer; |
| 24 | }; |
| 25 | |
| 26 | struct stainfo_rxcache { |
| 27 | u16 tid_rxseq[16]; |
| 28 | }; |
| 29 | |
| 30 | #define PHY_RSSI_SLID_WIN_MAX 100 |
| 31 | #define PHY_LINKQUALITY_SLID_WIN_MAX 20 |
| 32 | |
| 33 | |
| 34 | struct smooth_rssi_data { |
| 35 | u32 elements[100]; /* array to store values */ |
| 36 | u32 index; /* index to current array to store */ |
| 37 | u32 total_num; /* num of valid elements */ |
| 38 | u32 total_val; /* sum of valid elements */ |
| 39 | }; |
| 40 | |
| 41 | struct rx_pkt_attrib { |
| 42 | |
| 43 | u8 amsdu; |
| 44 | u8 order; |
| 45 | u8 qos; |
| 46 | u8 to_fr_ds; |
| 47 | u8 frag_num; |
| 48 | u16 seq_num; |
| 49 | u8 pw_save; |
| 50 | u8 mfrag; |
| 51 | u8 mdata; |
| 52 | u8 privacy; /* in frame_ctrl field */ |
| 53 | u8 bdecrypted; |
| 54 | int hdrlen; /* the WLAN Header Len */ |
| 55 | int encrypt; /* 0 no encrypt. != 0 encrypt algorith */ |
| 56 | int iv_len; |
| 57 | int icv_len; |
| 58 | int priority; |
| 59 | int ack_policy; |
| 60 | u8 crc_err; |
| 61 | u8 dst[ETH_ALEN]; |
| 62 | u8 src[ETH_ALEN]; |
| 63 | u8 ta[ETH_ALEN]; |
| 64 | u8 ra[ETH_ALEN]; |
| 65 | u8 bssid[ETH_ALEN]; |
| 66 | u8 tcpchk_valid; /* 0: invalid, 1: valid */ |
| 67 | u8 ip_chkrpt; /* 0: incorrect, 1: correct */ |
| 68 | u8 tcp_chkrpt; /* 0: incorrect, 1: correct */ |
| 69 | u8 signal_qual; |
| 70 | s8 rx_mimo_signal_qual[2]; |
| 71 | u8 mcs_rate; |
| 72 | u8 htc; |
| 73 | u8 signal_strength; |
| 74 | }; |
| 75 | |
| 76 | /* |
| 77 | accesser of recv_priv: recv_entry(dispatch / passive level); |
| 78 | recv_thread(passive) ; returnpkt(dispatch) |
| 79 | ; halt(passive) ; |
| 80 | |
| 81 | using enter_critical section to protect |
| 82 | */ |
| 83 | struct recv_priv { |
| 84 | spinlock_t lock; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 85 | struct __queue free_recv_queue; |
| 86 | struct __queue recv_pending_queue; |
| 87 | u8 *pallocated_frame_buf; |
| 88 | u8 *precv_frame_buf; |
| 89 | uint free_recvframe_cnt; |
| 90 | struct _adapter *adapter; |
| 91 | uint rx_bytes; |
| 92 | uint rx_pkts; |
| 93 | uint rx_drop; |
| 94 | uint rx_icv_err; |
| 95 | uint rx_largepacket_crcerr; |
| 96 | uint rx_smallpacket_crcerr; |
| 97 | uint rx_middlepacket_crcerr; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 98 | u8 rx_pending_cnt; |
| 99 | uint ff_hwaddr; |
| 100 | struct tasklet_struct recv_tasklet; |
| 101 | struct sk_buff_head free_recv_skb_queue; |
| 102 | struct sk_buff_head rx_skb_queue; |
| 103 | u8 *pallocated_recv_buf; |
| 104 | u8 *precv_buf; /* 4 alignment */ |
| 105 | struct __queue free_recv_buf_queue; |
| 106 | u32 free_recv_buf_queue_cnt; |
| 107 | /* For the phy informatiom */ |
| 108 | s8 rssi; |
| 109 | u8 signal; |
| 110 | u8 noise; |
| 111 | u8 fw_rssi; |
| 112 | struct smooth_rssi_data signal_qual_data; |
| 113 | struct smooth_rssi_data signal_strength_data; |
| 114 | }; |
| 115 | |
| 116 | struct sta_recv_priv { |
| 117 | spinlock_t lock; |
| 118 | sint option; |
| 119 | struct __queue defrag_q; /* keeping the fragment frame until defrag */ |
| 120 | struct stainfo_rxcache rxcache; |
| 121 | uint sta_rx_bytes; |
| 122 | uint sta_rx_pkts; |
| 123 | uint sta_rx_fail; |
| 124 | }; |
| 125 | |
| 126 | #include "rtl8712_recv.h" |
| 127 | |
| 128 | /* get a free recv_frame from pfree_recv_queue */ |
| 129 | union recv_frame *r8712_alloc_recvframe(struct __queue *pfree_recv_queue); |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 130 | int r8712_free_recvframe(union recv_frame *precvframe, |
| 131 | struct __queue *pfree_recv_queue); |
| 132 | void r8712_free_recvframe_queue(struct __queue *pframequeue, |
| 133 | struct __queue *pfree_recv_queue); |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 134 | int r8712_wlanhdr_to_ethhdr(union recv_frame *precvframe); |
| 135 | int recv_func(struct _adapter *padapter, void *pcontext); |
| 136 | |
| 137 | static inline u8 *get_rxmem(union recv_frame *precvframe) |
| 138 | { |
| 139 | /* always return rx_head... */ |
| 140 | if (precvframe == NULL) |
| 141 | return NULL; |
| 142 | return precvframe->u.hdr.rx_head; |
| 143 | } |
| 144 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 145 | static inline u8 *get_recvframe_data(union recv_frame *precvframe) |
| 146 | { |
| 147 | /* always return rx_data */ |
| 148 | if (precvframe == NULL) |
| 149 | return NULL; |
| 150 | return precvframe->u.hdr.rx_data; |
| 151 | } |
| 152 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 153 | static inline u8 *recvframe_pull(union recv_frame *precvframe, sint sz) |
| 154 | { |
| 155 | /* used for extract sz bytes from rx_data, update rx_data and return |
Raphaël Beamonte | bef611a | 2016-09-09 11:31:45 -0400 | [diff] [blame] | 156 | * the updated rx_data to the caller |
| 157 | */ |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 158 | if (precvframe == NULL) |
| 159 | return NULL; |
| 160 | precvframe->u.hdr.rx_data += sz; |
| 161 | if (precvframe->u.hdr.rx_data > precvframe->u.hdr.rx_tail) { |
| 162 | precvframe->u.hdr.rx_data -= sz; |
| 163 | return NULL; |
| 164 | } |
| 165 | precvframe->u.hdr.len -= sz; |
| 166 | return precvframe->u.hdr.rx_data; |
| 167 | } |
| 168 | |
| 169 | static inline u8 *recvframe_put(union recv_frame *precvframe, sint sz) |
| 170 | { |
| 171 | /* used for append sz bytes from ptr to rx_tail, update rx_tail and |
| 172 | * return the updated rx_tail to the caller |
Raphaël Beamonte | bef611a | 2016-09-09 11:31:45 -0400 | [diff] [blame] | 173 | * after putting, rx_tail must be still larger than rx_end. |
| 174 | */ |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 175 | if (precvframe == NULL) |
| 176 | return NULL; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 177 | precvframe->u.hdr.rx_tail += sz; |
| 178 | if (precvframe->u.hdr.rx_tail > precvframe->u.hdr.rx_end) { |
| 179 | precvframe->u.hdr.rx_tail -= sz; |
| 180 | return NULL; |
| 181 | } |
| 182 | precvframe->u.hdr.len += sz; |
| 183 | return precvframe->u.hdr.rx_tail; |
| 184 | } |
| 185 | |
| 186 | static inline u8 *recvframe_pull_tail(union recv_frame *precvframe, sint sz) |
| 187 | { |
| 188 | /* rmv data from rx_tail (by yitsen) |
| 189 | * used for extract sz bytes from rx_end, update rx_end and return the |
| 190 | * updated rx_end to the caller |
Raphaël Beamonte | bef611a | 2016-09-09 11:31:45 -0400 | [diff] [blame] | 191 | * after pulling, rx_end must be still larger than rx_data. |
| 192 | */ |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 193 | if (precvframe == NULL) |
| 194 | return NULL; |
| 195 | precvframe->u.hdr.rx_tail -= sz; |
| 196 | if (precvframe->u.hdr.rx_tail < precvframe->u.hdr.rx_data) { |
| 197 | precvframe->u.hdr.rx_tail += sz; |
| 198 | return NULL; |
| 199 | } |
| 200 | precvframe->u.hdr.len -= sz; |
| 201 | return precvframe->u.hdr.rx_tail; |
| 202 | } |
| 203 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 204 | struct sta_info; |
| 205 | |
| 206 | void _r8712_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv); |
| 207 | sint r8712_recvframe_chkmic(struct _adapter *adapter, |
| 208 | union recv_frame *precvframe); |
| 209 | union recv_frame *r8712_decryptor(struct _adapter *adapter, |
| 210 | union recv_frame *precv_frame); |
| 211 | union recv_frame *r8712_recvframe_chk_defrag(struct _adapter *adapter, |
| 212 | union recv_frame *precv_frame); |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 213 | int r8712_validate_recv_frame(struct _adapter *adapter, |
| 214 | union recv_frame *precv_frame); |
| 215 | union recv_frame *r8712_portctrl(struct _adapter *adapter, |
| 216 | union recv_frame *precv_frame); |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 217 | |
| 218 | #endif |
| 219 | |