Larry Finger | 7f8a0fb | 2013-08-21 22:34:12 -0500 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright(c) 2007 - 2011 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 | * |
Larry Finger | 7f8a0fb | 2013-08-21 22:34:12 -0500 | [diff] [blame] | 14 | ******************************************************************************/ |
| 15 | #ifndef _RTW_XMIT_H_ |
| 16 | #define _RTW_XMIT_H_ |
| 17 | |
| 18 | #include <osdep_service.h> |
| 19 | #include <drv_types.h> |
| 20 | |
| 21 | #define MAX_XMITBUF_SZ (20480) /* 20k */ |
| 22 | #define NR_XMITBUFF (4) |
| 23 | |
| 24 | #define XMITBUF_ALIGN_SZ 4 |
| 25 | |
| 26 | /* xmit extension buff defination */ |
| 27 | #define MAX_XMIT_EXTBUF_SZ (1536) |
| 28 | #define NR_XMIT_EXTBUFF (32) |
| 29 | |
| 30 | #define MAX_NUMBLKS (1) |
| 31 | |
| 32 | #define XMIT_VO_QUEUE (0) |
| 33 | #define XMIT_VI_QUEUE (1) |
| 34 | #define XMIT_BE_QUEUE (2) |
| 35 | #define XMIT_BK_QUEUE (3) |
| 36 | |
| 37 | #define VO_QUEUE_INX 0 |
| 38 | #define VI_QUEUE_INX 1 |
| 39 | #define BE_QUEUE_INX 2 |
| 40 | #define BK_QUEUE_INX 3 |
| 41 | #define BCN_QUEUE_INX 4 |
| 42 | #define MGT_QUEUE_INX 5 |
| 43 | #define HIGH_QUEUE_INX 6 |
| 44 | #define TXCMD_QUEUE_INX 7 |
| 45 | |
| 46 | #define HW_QUEUE_ENTRY 8 |
| 47 | |
| 48 | #define WEP_IV(pattrib_iv, dot11txpn, keyidx)\ |
| 49 | do {\ |
| 50 | pattrib_iv[0] = dot11txpn._byte_.TSC0;\ |
| 51 | pattrib_iv[1] = dot11txpn._byte_.TSC1;\ |
| 52 | pattrib_iv[2] = dot11txpn._byte_.TSC2;\ |
| 53 | pattrib_iv[3] = ((keyidx & 0x3)<<6);\ |
| 54 | dot11txpn.val = (dot11txpn.val == 0xffffff) ? 0 : (dot11txpn.val+1);\ |
| 55 | } while (0) |
| 56 | |
| 57 | |
| 58 | #define TKIP_IV(pattrib_iv, dot11txpn, keyidx)\ |
| 59 | do {\ |
| 60 | pattrib_iv[0] = dot11txpn._byte_.TSC1;\ |
| 61 | pattrib_iv[1] = (dot11txpn._byte_.TSC1 | 0x20) & 0x7f;\ |
| 62 | pattrib_iv[2] = dot11txpn._byte_.TSC0;\ |
| 63 | pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\ |
| 64 | pattrib_iv[4] = dot11txpn._byte_.TSC2;\ |
| 65 | pattrib_iv[5] = dot11txpn._byte_.TSC3;\ |
| 66 | pattrib_iv[6] = dot11txpn._byte_.TSC4;\ |
| 67 | pattrib_iv[7] = dot11txpn._byte_.TSC5;\ |
| 68 | dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0 : (dot11txpn.val+1);\ |
| 69 | } while (0) |
| 70 | |
| 71 | #define AES_IV(pattrib_iv, dot11txpn, keyidx)\ |
| 72 | do { \ |
| 73 | pattrib_iv[0] = dot11txpn._byte_.TSC0; \ |
| 74 | pattrib_iv[1] = dot11txpn._byte_.TSC1; \ |
| 75 | pattrib_iv[2] = 0; \ |
| 76 | pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6); \ |
| 77 | pattrib_iv[4] = dot11txpn._byte_.TSC2; \ |
| 78 | pattrib_iv[5] = dot11txpn._byte_.TSC3; \ |
| 79 | pattrib_iv[6] = dot11txpn._byte_.TSC4; \ |
| 80 | pattrib_iv[7] = dot11txpn._byte_.TSC5; \ |
| 81 | dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0 : (dot11txpn.val+1);\ |
| 82 | } while (0) |
| 83 | |
| 84 | #define HWXMIT_ENTRY 4 |
| 85 | |
| 86 | #define TXDESC_SIZE 32 |
| 87 | |
| 88 | #define PACKET_OFFSET_SZ (8) |
| 89 | #define TXDESC_OFFSET (TXDESC_SIZE + PACKET_OFFSET_SZ) |
| 90 | |
| 91 | struct tx_desc { |
| 92 | /* DWORD 0 */ |
| 93 | __le32 txdw0; |
| 94 | __le32 txdw1; |
| 95 | __le32 txdw2; |
| 96 | __le32 txdw3; |
| 97 | __le32 txdw4; |
| 98 | __le32 txdw5; |
| 99 | __le32 txdw6; |
| 100 | __le32 txdw7; |
| 101 | }; |
| 102 | |
Larry Finger | 7f8a0fb | 2013-08-21 22:34:12 -0500 | [diff] [blame] | 103 | struct hw_xmit { |
| 104 | struct __queue *sta_queue; |
| 105 | int accnt; |
| 106 | }; |
| 107 | |
| 108 | /* reduce size */ |
| 109 | struct pkt_attrib { |
| 110 | u8 type; |
| 111 | u8 subtype; |
| 112 | u8 bswenc; |
| 113 | u8 dhcp_pkt; |
| 114 | u16 ether_type; |
| 115 | u16 seqnum; |
| 116 | u16 pkt_hdrlen; /* the original 802.3 pkt header len */ |
| 117 | u16 hdrlen; /* the WLAN Header Len */ |
| 118 | u32 pktlen; /* the original 802.3 pkt raw_data len (not include |
| 119 | * ether_hdr data) */ |
| 120 | u32 last_txcmdsz; |
| 121 | u8 nr_frags; |
| 122 | u8 encrypt; /* when 0 indicate no encrypt. when non-zero, |
| 123 | * indicate the encrypt algorith */ |
| 124 | u8 iv_len; |
| 125 | u8 icv_len; |
| 126 | u8 iv[18]; |
| 127 | u8 icv[16]; |
| 128 | u8 priority; |
| 129 | u8 ack_policy; |
| 130 | u8 mac_id; |
| 131 | u8 vcs_mode; /* virtual carrier sense method */ |
| 132 | u8 dst[ETH_ALEN]; |
| 133 | u8 src[ETH_ALEN]; |
| 134 | u8 ta[ETH_ALEN]; |
| 135 | u8 ra[ETH_ALEN]; |
| 136 | u8 key_idx; |
| 137 | u8 qos_en; |
| 138 | u8 ht_en; |
| 139 | u8 raid;/* rate adpative id */ |
| 140 | u8 bwmode; |
| 141 | u8 ch_offset;/* PRIME_CHNL_OFFSET */ |
| 142 | u8 sgi;/* short GI */ |
| 143 | u8 ampdu_en;/* tx ampdu enable */ |
| 144 | u8 mdata;/* more data bit */ |
| 145 | u8 pctrl;/* per packet txdesc control enable */ |
| 146 | u8 triggered;/* for ap mode handling Power Saving sta */ |
| 147 | u8 qsel; |
| 148 | u8 eosp; |
| 149 | u8 rate; |
| 150 | u8 intel_proxim; |
| 151 | u8 retry_ctrl; |
| 152 | struct sta_info *psta; |
| 153 | }; |
| 154 | |
| 155 | #define WLANHDR_OFFSET 64 |
| 156 | |
| 157 | #define NULL_FRAMETAG (0x0) |
| 158 | #define DATA_FRAMETAG 0x01 |
| 159 | #define L2_FRAMETAG 0x02 |
| 160 | #define MGNT_FRAMETAG 0x03 |
| 161 | #define AMSDU_FRAMETAG 0x04 |
| 162 | |
| 163 | #define EII_FRAMETAG 0x05 |
| 164 | #define IEEE8023_FRAMETAG 0x06 |
| 165 | |
| 166 | #define MP_FRAMETAG 0x07 |
| 167 | |
| 168 | #define TXAGG_FRAMETAG 0x08 |
| 169 | |
| 170 | struct submit_ctx { |
| 171 | u32 submit_time; /* */ |
| 172 | u32 timeout_ms; /* <0: not synchronous, 0: wait forever, >0: up to ms waiting */ |
| 173 | int status; /* status for operation */ |
| 174 | struct completion done; |
| 175 | }; |
| 176 | |
| 177 | enum { |
| 178 | RTW_SCTX_SUBMITTED = -1, |
| 179 | RTW_SCTX_DONE_SUCCESS = 0, |
| 180 | RTW_SCTX_DONE_UNKNOWN, |
| 181 | RTW_SCTX_DONE_TIMEOUT, |
| 182 | RTW_SCTX_DONE_BUF_ALLOC, |
| 183 | RTW_SCTX_DONE_BUF_FREE, |
| 184 | RTW_SCTX_DONE_WRITE_PORT_ERR, |
| 185 | RTW_SCTX_DONE_TX_DESC_NA, |
| 186 | RTW_SCTX_DONE_TX_DENY, |
| 187 | RTW_SCTX_DONE_CCX_PKT_FAIL, |
| 188 | RTW_SCTX_DONE_DRV_STOP, |
| 189 | RTW_SCTX_DONE_DEV_REMOVE, |
| 190 | }; |
| 191 | |
| 192 | void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms); |
| 193 | int rtw_sctx_wait(struct submit_ctx *sctx); |
| 194 | void rtw_sctx_done_err(struct submit_ctx **sctx, int status); |
Larry Finger | 7f8a0fb | 2013-08-21 22:34:12 -0500 | [diff] [blame] | 195 | |
| 196 | struct xmit_buf { |
| 197 | struct list_head list; |
| 198 | struct adapter *padapter; |
| 199 | u8 *pallocated_buf; |
| 200 | u8 *pbuf; |
| 201 | void *priv_data; |
| 202 | u16 ext_tag; /* 0: Normal xmitbuf, 1: extension xmitbuf. */ |
| 203 | u16 flags; |
| 204 | u32 alloc_sz; |
| 205 | u32 len; |
| 206 | struct submit_ctx *sctx; |
| 207 | u32 ff_hwaddr; |
| 208 | struct urb *pxmit_urb[8]; |
| 209 | dma_addr_t dma_transfer_addr; /* (in) dma addr for transfer_buffer */ |
| 210 | u8 bpending[8]; |
| 211 | int last[8]; |
| 212 | }; |
| 213 | |
| 214 | struct xmit_frame { |
| 215 | struct list_head list; |
| 216 | struct pkt_attrib attrib; |
| 217 | struct sk_buff *pkt; |
| 218 | int frame_tag; |
| 219 | struct adapter *padapter; |
| 220 | u8 *buf_addr; |
| 221 | struct xmit_buf *pxmitbuf; |
| 222 | |
| 223 | u8 agg_num; |
| 224 | s8 pkt_offset; |
| 225 | u8 ack_report; |
| 226 | }; |
| 227 | |
| 228 | struct tx_servq { |
| 229 | struct list_head tx_pending; |
| 230 | struct __queue sta_pending; |
| 231 | int qcnt; |
| 232 | }; |
| 233 | |
| 234 | struct sta_xmit_priv { |
| 235 | spinlock_t lock; |
| 236 | int option; |
| 237 | int apsd_setting; /* When bit mask is on, the associated edca |
| 238 | * queue supports APSD. */ |
| 239 | struct tx_servq be_q; /* priority == 0,3 */ |
| 240 | struct tx_servq bk_q; /* priority == 1,2 */ |
| 241 | struct tx_servq vi_q; /* priority == 4,5 */ |
| 242 | struct tx_servq vo_q; /* priority == 6,7 */ |
| 243 | struct list_head legacy_dz; |
| 244 | struct list_head apsd; |
| 245 | u16 txseq_tid[16]; |
| 246 | }; |
| 247 | |
| 248 | struct hw_txqueue { |
| 249 | volatile int head; |
| 250 | volatile int tail; |
| 251 | volatile int free_sz; /* in units of 64 bytes */ |
| 252 | volatile int free_cmdsz; |
| 253 | volatile int txsz[8]; |
| 254 | uint ff_hwaddr; |
| 255 | uint cmd_hwaddr; |
| 256 | int ac_tag; |
| 257 | }; |
| 258 | |
| 259 | struct agg_pkt_info { |
| 260 | u16 offset; |
| 261 | u16 pkt_len; |
| 262 | }; |
| 263 | |
| 264 | struct xmit_priv { |
| 265 | spinlock_t lock; |
| 266 | struct semaphore xmit_sema; |
| 267 | struct semaphore terminate_xmitthread_sema; |
| 268 | struct __queue be_pending; |
| 269 | struct __queue bk_pending; |
| 270 | struct __queue vi_pending; |
| 271 | struct __queue vo_pending; |
| 272 | struct __queue bm_pending; |
| 273 | u8 *pallocated_frame_buf; |
| 274 | u8 *pxmit_frame_buf; |
| 275 | uint free_xmitframe_cnt; |
| 276 | struct __queue free_xmit_queue; |
| 277 | uint frag_len; |
| 278 | struct adapter *adapter; |
| 279 | u8 vcs_setting; |
| 280 | u8 vcs; |
| 281 | u8 vcs_type; |
| 282 | u64 tx_bytes; |
| 283 | u64 tx_pkts; |
| 284 | u64 tx_drop; |
| 285 | u64 last_tx_bytes; |
| 286 | u64 last_tx_pkts; |
| 287 | struct hw_xmit *hwxmits; |
| 288 | u8 hwxmit_entry; |
| 289 | u8 wmm_para_seq[4];/* sequence for wmm ac parameter strength |
| 290 | * from large to small. it's value is 0->vo, |
| 291 | * 1->vi, 2->be, 3->bk. */ |
| 292 | struct semaphore tx_retevt;/* all tx return event; */ |
| 293 | u8 txirp_cnt;/* */ |
| 294 | struct tasklet_struct xmit_tasklet; |
| 295 | /* per AC pending irp */ |
| 296 | int beq_cnt; |
| 297 | int bkq_cnt; |
| 298 | int viq_cnt; |
| 299 | int voq_cnt; |
| 300 | struct __queue free_xmitbuf_queue; |
| 301 | struct __queue pending_xmitbuf_queue; |
| 302 | u8 *pallocated_xmitbuf; |
| 303 | u8 *pxmitbuf; |
| 304 | uint free_xmitbuf_cnt; |
| 305 | struct __queue free_xmit_extbuf_queue; |
| 306 | u8 *pallocated_xmit_extbuf; |
| 307 | u8 *pxmit_extbuf; |
| 308 | uint free_xmit_extbuf_cnt; |
| 309 | u16 nqos_ssn; |
| 310 | int ack_tx; |
| 311 | struct mutex ack_tx_mutex; |
| 312 | struct submit_ctx ack_tx_ops; |
| 313 | }; |
| 314 | |
| 315 | struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv); |
| 316 | s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, |
| 317 | struct xmit_buf *pxmitbuf); |
| 318 | struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv); |
| 319 | s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, |
| 320 | struct xmit_buf *pxmitbuf); |
| 321 | void rtw_count_tx_stats(struct adapter *padapter, |
| 322 | struct xmit_frame *pxmitframe, int sz); |
| 323 | void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len); |
| 324 | s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, |
| 325 | struct pkt_attrib *pattrib); |
| 326 | s32 rtw_put_snap(u8 *data, u16 h_proto); |
| 327 | |
| 328 | struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv); |
| 329 | s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, |
| 330 | struct xmit_frame *pxmitframe); |
| 331 | void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, |
| 332 | struct __queue *pframequeue); |
| 333 | struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, |
| 334 | struct sta_info *psta, int up, u8 *ac); |
| 335 | s32 rtw_xmitframe_enqueue(struct adapter *padapter, |
| 336 | struct xmit_frame *pxmitframe); |
| 337 | struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, |
| 338 | struct hw_xmit *phwxmit_i, int entry); |
| 339 | |
| 340 | s32 rtw_xmit_classifier(struct adapter *padapter, |
| 341 | struct xmit_frame *pxmitframe); |
| 342 | u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib); |
| 343 | #define rtw_wlan_pkt_size(f) rtw_calculate_wlan_pkt_size_by_attribue(&f->attrib) |
| 344 | s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, |
| 345 | struct xmit_frame *pxmitframe); |
| 346 | s32 _rtw_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag); |
| 347 | void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv); |
| 348 | s32 rtw_txframes_pending(struct adapter *padapter); |
| 349 | s32 rtw_txframes_sta_ac_pending(struct adapter *padapter, |
| 350 | struct pkt_attrib *pattrib); |
| 351 | void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry); |
| 352 | s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter); |
| 353 | void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv); |
| 354 | void rtw_alloc_hwxmits(struct adapter *padapter); |
| 355 | void rtw_free_hwxmits(struct adapter *padapter); |
| 356 | s32 rtw_xmit(struct adapter *padapter, struct sk_buff **pkt); |
| 357 | |
| 358 | #if defined(CONFIG_88EU_AP_MODE) |
| 359 | int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe); |
| 360 | void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta); |
| 361 | void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta); |
| 362 | void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta); |
| 363 | #endif |
| 364 | |
| 365 | u8 qos_acm(u8 acm_mask, u8 priority); |
| 366 | u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe); |
| 367 | int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms); |
| 368 | void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status); |
| 369 | |
| 370 | /* include after declaring struct xmit_buf, in order to avoid warning */ |
| 371 | #include <xmit_osdep.h> |
| 372 | |
| 373 | #endif /* _RTL871X_XMIT_H_ */ |