drivers/staging/rtl8723bs/include/rtw

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   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   5  *
   6  ******************************************************************************/
   7 #ifndef _RTW_XMIT_H_
   8 #define _RTW_XMIT_H_
   9 
  10 #include <linux/completion.h>
  11 
  12 #define MAX_XMITBUF_SZ  (20480) /*  20k */
  13 
  14 #define NR_XMITBUFF     (16)
  15 
  16 #define XMITBUF_ALIGN_SZ 512
  17 
  18 /*  xmit extension buff defination */
  19 #define MAX_XMIT_EXTBUF_SZ      (1536)
  20 #define NR_XMIT_EXTBUFF (32)
  21 
  22 #define MAX_CMDBUF_SZ   (5120)  /* 4096) */
  23 
  24 #define MAX_NUMBLKS             (1)
  25 
  26 #define XMIT_VO_QUEUE (0)
  27 #define XMIT_VI_QUEUE (1)
  28 #define XMIT_BE_QUEUE (2)
  29 #define XMIT_BK_QUEUE (3)
  30 
  31 #define VO_QUEUE_INX            0
  32 #define VI_QUEUE_INX            1
  33 #define BE_QUEUE_INX            2
  34 #define BK_QUEUE_INX            3
  35 #define BCN_QUEUE_INX           4
  36 #define MGT_QUEUE_INX           5
  37 #define HIGH_QUEUE_INX          6
  38 #define TXCMD_QUEUE_INX 7
  39 
  40 #define HW_QUEUE_ENTRY  8
  41 
  42 #define WEP_IV(pattrib_iv, dot11txpn, keyidx)\
  43 do{\
  44         pattrib_iv[0] = dot11txpn._byte_.TSC0;\
  45         pattrib_iv[1] = dot11txpn._byte_.TSC1;\
  46         pattrib_iv[2] = dot11txpn._byte_.TSC2;\
  47         pattrib_iv[3] = ((keyidx & 0x3)<<6);\
  48         dot11txpn.val = (dot11txpn.val == 0xffffff) ? 0: (dot11txpn.val+1);\
  49 }while (0)
  50 
  51 
  52 #define TKIP_IV(pattrib_iv, dot11txpn, keyidx)\
  53 do{\
  54         pattrib_iv[0] = dot11txpn._byte_.TSC1;\
  55         pattrib_iv[1] = (dot11txpn._byte_.TSC1 | 0x20) & 0x7f;\
  56         pattrib_iv[2] = dot11txpn._byte_.TSC0;\
  57         pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
  58         pattrib_iv[4] = dot11txpn._byte_.TSC2;\
  59         pattrib_iv[5] = dot11txpn._byte_.TSC3;\
  60         pattrib_iv[6] = dot11txpn._byte_.TSC4;\
  61         pattrib_iv[7] = dot11txpn._byte_.TSC5;\
  62         dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0: (dot11txpn.val+1);\
  63 }while (0)
  64 
  65 #define AES_IV(pattrib_iv, dot11txpn, keyidx)\
  66 do{\
  67         pattrib_iv[0] = dot11txpn._byte_.TSC0;\
  68         pattrib_iv[1] = dot11txpn._byte_.TSC1;\
  69         pattrib_iv[2] = 0;\
  70         pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
  71         pattrib_iv[4] = dot11txpn._byte_.TSC2;\
  72         pattrib_iv[5] = dot11txpn._byte_.TSC3;\
  73         pattrib_iv[6] = dot11txpn._byte_.TSC4;\
  74         pattrib_iv[7] = dot11txpn._byte_.TSC5;\
  75         dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0: (dot11txpn.val+1);\
  76 }while (0)
  77 
  78 
  79 #define HWXMIT_ENTRY    4
  80 
  81 /*  For Buffer Descriptor ring architecture */
  82 #define TXDESC_SIZE 40
  83 
  84 #define TXDESC_OFFSET TXDESC_SIZE
  85 
  86 enum TXDESC_SC {
  87         SC_DONT_CARE = 0x00,
  88         SC_UPPER = 0x01,
  89         SC_LOWER = 0x02,
  90         SC_DUPLICATE = 0x03
  91 };
  92 
  93 #define TXDESC_40_BYTES
  94 
  95 struct tx_desc {
  96         __le32 txdw0;
  97         __le32 txdw1;
  98         __le32 txdw2;
  99         __le32 txdw3;
 100         __le32 txdw4;
 101         __le32 txdw5;
 102         __le32 txdw6;
 103         __le32 txdw7;
 104 
 105 #if defined(TXDESC_40_BYTES) || defined(TXDESC_64_BYTES)
 106         __le32 txdw8;
 107         __le32 txdw9;
 108 #endif /*  TXDESC_40_BYTES */
 109 
 110 #ifdef TXDESC_64_BYTES
 111         __le32 txdw10;
 112         __le32 txdw11;
 113 
 114         /*  2008/05/15 MH Because PCIE HW memory R/W 4K limit. And now,  our descriptor */
 115         /*  size is 40 bytes. If you use more than 102 descriptor(103*40>4096), HW will execute */
 116         /*  memoryR/W CRC error. And then all DMA fetch will fail. We must decrease descriptor */
 117         /*  number or enlarge descriptor size as 64 bytes. */
 118         __le32 txdw12;
 119         __le32 txdw13;
 120         __le32 txdw14;
 121         __le32 txdw15;
 122 #endif
 123 };
 124 
 125 union txdesc {
 126         struct tx_desc txdesc;
 127         unsigned int value[TXDESC_SIZE>>2];
 128 };
 129 
 130 struct  hw_xmit {
 131         /* _lock xmit_lock; */
 132         /* struct list_head     pending; */
 133         struct __queue *sta_queue;
 134         /* struct hw_txqueue *phwtxqueue; */
 135         /* sint txcmdcnt; */
 136         int     accnt;
 137 };
 138 
 139 /* reduce size */
 140 struct pkt_attrib
 141 {
 142         u8 type;
 143         u8 subtype;
 144         u8 bswenc;
 145         u8 dhcp_pkt;
 146         u16 ether_type;
 147         u16 seqnum;
 148         u16 pkt_hdrlen; /* the original 802.3 pkt header len */
 149         u16 hdrlen;             /* the WLAN Header Len */
 150         u32 pktlen;             /* the original 802.3 pkt raw_data len (not include ether_hdr data) */
 151         u32 last_txcmdsz;
 152         u8 nr_frags;
 153         u8 encrypt;     /* when 0 indicate no encrypt. when non-zero, indicate the encrypt algorith */
 154         u8 iv_len;
 155         u8 icv_len;
 156         u8 iv[18];
 157         u8 icv[16];
 158         u8 priority;
 159         u8 ack_policy;
 160         u8 mac_id;
 161         u8 vcs_mode;    /* virtual carrier sense method */
 162         u8 dst[ETH_ALEN];
 163         u8 src[ETH_ALEN];
 164         u8 ta[ETH_ALEN];
 165         u8 ra[ETH_ALEN];
 166         u8 key_idx;
 167         u8 qos_en;
 168         u8 ht_en;
 169         u8 raid;/* rate adpative id */
 170         u8 bwmode;
 171         u8 ch_offset;/* PRIME_CHNL_OFFSET */
 172         u8 sgi;/* short GI */
 173         u8 ampdu_en;/* tx ampdu enable */
 174         u8 ampdu_spacing; /* ampdu_min_spacing for peer sta's rx */
 175         u8 mdata;/* more data bit */
 176         u8 pctrl;/* per packet txdesc control enable */
 177         u8 triggered;/* for ap mode handling Power Saving sta */
 178         u8 qsel;
 179         u8 order;/* order bit */
 180         u8 eosp;
 181         u8 rate;
 182         u8 intel_proxim;
 183         u8 retry_ctrl;
 184         u8   mbssid;
 185         u8 ldpc;
 186         u8 stbc;
 187         struct sta_info * psta;
 188 
 189         u8 rtsen;
 190         u8 cts2self;
 191         union Keytype   dot11tkiptxmickey;
 192         /* union Keytype        dot11tkiprxmickey; */
 193         union Keytype   dot118021x_UncstKey;
 194 
 195         u8 icmp_pkt;
 196 
 197 };
 198 
 199 #define WLANHDR_OFFSET  64
 200 
 201 #define NULL_FRAMETAG           (0x0)
 202 #define DATA_FRAMETAG           0x01
 203 #define L2_FRAMETAG             0x02
 204 #define MGNT_FRAMETAG           0x03
 205 #define AMSDU_FRAMETAG  0x04
 206 
 207 #define EII_FRAMETAG            0x05
 208 #define IEEE8023_FRAMETAG  0x06
 209 
 210 #define MP_FRAMETAG             0x07
 211 
 212 #define TXAGG_FRAMETAG  0x08
 213 
 214 enum {
 215         XMITBUF_DATA = 0,
 216         XMITBUF_MGNT = 1,
 217         XMITBUF_CMD = 2,
 218 };
 219 
 220 struct  submit_ctx{
 221         unsigned long submit_time; /* */
 222         u32 timeout_ms; /* <0: not synchronous, 0: wait forever, >0: up to ms waiting */
 223         int status; /* status for operation */
 224         struct completion done;
 225 };
 226 
 227 enum {
 228         RTW_SCTX_SUBMITTED = -1,
 229         RTW_SCTX_DONE_SUCCESS = 0,
 230         RTW_SCTX_DONE_UNKNOWN,
 231         RTW_SCTX_DONE_TIMEOUT,
 232         RTW_SCTX_DONE_BUF_ALLOC,
 233         RTW_SCTX_DONE_BUF_FREE,
 234         RTW_SCTX_DONE_WRITE_PORT_ERR,
 235         RTW_SCTX_DONE_TX_DESC_NA,
 236         RTW_SCTX_DONE_TX_DENY,
 237         RTW_SCTX_DONE_CCX_PKT_FAIL,
 238         RTW_SCTX_DONE_DRV_STOP,
 239         RTW_SCTX_DONE_DEV_REMOVE,
 240         RTW_SCTX_DONE_CMD_ERROR,
 241 };
 242 
 243 
 244 void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms);
 245 int rtw_sctx_wait(struct submit_ctx *sctx, const char *msg);
 246 void rtw_sctx_done_err(struct submit_ctx **sctx, int status);
 247 void rtw_sctx_done(struct submit_ctx **sctx);
 248 
 249 struct xmit_buf
 250 {
 251         struct list_head        list;
 252 
 253         struct adapter *padapter;
 254 
 255         u8 *pallocated_buf;
 256 
 257         u8 *pbuf;
 258 
 259         void *priv_data;
 260 
 261         u16 buf_tag; /*  0: Normal xmitbuf, 1: extension xmitbuf, 2:cmd xmitbuf */
 262         u16 flags;
 263         u32 alloc_sz;
 264 
 265         u32  len;
 266 
 267         struct submit_ctx *sctx;
 268 
 269         u8 *phead;
 270         u8 *pdata;
 271         u8 *ptail;
 272         u8 *pend;
 273         u32 ff_hwaddr;
 274         u8 pg_num;
 275         u8 agg_num;
 276 
 277 #if defined(DBG_XMIT_BUF)|| defined(DBG_XMIT_BUF_EXT)
 278         u8 no;
 279 #endif
 280 
 281 };
 282 
 283 
 284 struct xmit_frame
 285 {
 286         struct list_head        list;
 287 
 288         struct pkt_attrib attrib;
 289 
 290         _pkt *pkt;
 291 
 292         int     frame_tag;
 293 
 294         struct adapter *padapter;
 295 
 296         u8 *buf_addr;
 297 
 298         struct xmit_buf *pxmitbuf;
 299 
 300         u8 pg_num;
 301         u8 agg_num;
 302 
 303         u8 ack_report;
 304 
 305         u8 *alloc_addr; /* the actual address this xmitframe allocated */
 306         u8 ext_tag; /* 0:data, 1:mgmt */
 307 
 308 };
 309 
 310 struct tx_servq {
 311         struct list_head        tx_pending;
 312         struct __queue  sta_pending;
 313         int qcnt;
 314 };
 315 
 316 
 317 struct sta_xmit_priv
 318 {
 319         _lock   lock;
 320         sint    option;
 321         sint    apsd_setting;   /* When bit mask is on, the associated edca queue supports APSD. */
 322 
 323 
 324         /* struct tx_servq blk_q[MAX_NUMBLKS]; */
 325         struct tx_servq be_q;                   /* priority == 0, 3 */
 326         struct tx_servq bk_q;                   /* priority == 1, 2 */
 327         struct tx_servq vi_q;                   /* priority == 4, 5 */
 328         struct tx_servq vo_q;                   /* priority == 6, 7 */
 329         struct list_head        legacy_dz;
 330         struct list_head  apsd;
 331 
 332         u16 txseq_tid[16];
 333 
 334         /* uint sta_tx_bytes; */
 335         /* u64  sta_tx_pkts; */
 336         /* uint sta_tx_fail; */
 337 
 338 
 339 };
 340 
 341 
 342 struct  hw_txqueue      {
 343         volatile sint   head;
 344         volatile sint   tail;
 345         volatile sint   free_sz;        /* in units of 64 bytes */
 346         volatile sint      free_cmdsz;
 347         volatile sint    txsz[8];
 348         uint    ff_hwaddr;
 349         uint    cmd_hwaddr;
 350         sint    ac_tag;
 351 };
 352 
 353 struct agg_pkt_info{
 354         u16 offset;
 355         u16 pkt_len;
 356 };
 357 
 358 enum cmdbuf_type {
 359         CMDBUF_BEACON = 0x00,
 360         CMDBUF_RSVD,
 361         CMDBUF_MAX
 362 };
 363 
 364 struct  xmit_priv {
 365 
 366         _lock   lock;
 367 
 368         struct completion xmit_comp;
 369         struct completion terminate_xmitthread_comp;
 370 
 371         /* struct __queue       blk_strms[MAX_NUMBLKS]; */
 372         struct __queue  be_pending;
 373         struct __queue  bk_pending;
 374         struct __queue  vi_pending;
 375         struct __queue  vo_pending;
 376         struct __queue  bm_pending;
 377 
 378         /* struct __queue       legacy_dz_queue; */
 379         /* struct __queue       apsd_queue; */
 380 
 381         u8 *pallocated_frame_buf;
 382         u8 *pxmit_frame_buf;
 383         uint free_xmitframe_cnt;
 384         struct __queue  free_xmit_queue;
 385 
 386         /* uint mapping_addr; */
 387         /* uint pkt_sz; */
 388 
 389         u8 *xframe_ext_alloc_addr;
 390         u8 *xframe_ext;
 391         uint free_xframe_ext_cnt;
 392         struct __queue free_xframe_ext_queue;
 393 
 394         /* struct       hw_txqueue      be_txqueue; */
 395         /* struct       hw_txqueue      bk_txqueue; */
 396         /* struct       hw_txqueue      vi_txqueue; */
 397         /* struct       hw_txqueue      vo_txqueue; */
 398         /* struct       hw_txqueue      bmc_txqueue; */
 399 
 400         uint    frag_len;
 401 
 402         struct adapter  *adapter;
 403 
 404         u8   vcs_setting;
 405         u8 vcs;
 406         u8 vcs_type;
 407         /* u16  rts_thresh; */
 408 
 409         u64     tx_bytes;
 410         u64     tx_pkts;
 411         u64     tx_drop;
 412         u64     last_tx_pkts;
 413 
 414         struct hw_xmit *hwxmits;
 415         u8 hwxmit_entry;
 416 
 417         u8 wmm_para_seq[4];/* sequence for wmm ac parameter strength from large to small. it's value is 0->vo, 1->vi, 2->be, 3->bk. */
 418 
 419 #ifdef CONFIG_SDIO_TX_TASKLET
 420         struct tasklet_struct xmit_tasklet;
 421 #else
 422         void *SdioXmitThread;
 423         struct completion SdioXmitStart;
 424         struct completion SdioXmitTerminate;
 425 #endif /* CONFIG_SDIO_TX_TASKLET */
 426 
 427         struct __queue free_xmitbuf_queue;
 428         struct __queue pending_xmitbuf_queue;
 429         u8 *pallocated_xmitbuf;
 430         u8 *pxmitbuf;
 431         uint free_xmitbuf_cnt;
 432 
 433         struct __queue free_xmit_extbuf_queue;
 434         u8 *pallocated_xmit_extbuf;
 435         u8 *pxmit_extbuf;
 436         uint free_xmit_extbuf_cnt;
 437 
 438         struct xmit_buf pcmd_xmitbuf[CMDBUF_MAX];
 439 
 440         u16 nqos_ssn;
 441 
 442         int     ack_tx;
 443         _mutex ack_tx_mutex;
 444         struct submit_ctx ack_tx_ops;
 445         u8 seq_no;
 446         _lock lock_sctx;
 447 };
 448 
 449 extern struct xmit_frame *__rtw_alloc_cmdxmitframe(struct xmit_priv *pxmitpriv,
 450                 enum cmdbuf_type buf_type);
 451 #define rtw_alloc_cmdxmitframe(p) __rtw_alloc_cmdxmitframe(p, CMDBUF_RSVD)
 452 #define rtw_alloc_bcnxmitframe(p) __rtw_alloc_cmdxmitframe(p, CMDBUF_BEACON)
 453 
 454 extern struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv);
 455 extern s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
 456 
 457 extern struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv);
 458 extern s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
 459 
 460 void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz);
 461 extern void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len);
 462 extern s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattrib);
 463 extern s32 rtw_put_snap(u8 *data, u16 h_proto);
 464 
 465 extern struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv);
 466 struct xmit_frame *rtw_alloc_xmitframe_ext(struct xmit_priv *pxmitpriv);
 467 struct xmit_frame *rtw_alloc_xmitframe_once(struct xmit_priv *pxmitpriv);
 468 extern s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe);
 469 extern void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue);
 470 struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, sint up, u8 *ac);
 471 extern s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe);
 472 
 473 extern s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe);
 474 extern u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib);
 475 #define rtw_wlan_pkt_size(f) rtw_calculate_wlan_pkt_size_by_attribue(&f->attrib)
 476 extern s32 rtw_xmitframe_coalesce(struct adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe);
 477 extern s32 rtw_mgmt_xmitframe_coalesce(struct adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe);
 478 s32 _rtw_init_hw_txqueue(struct hw_txqueue* phw_txqueue, u8 ac_tag);
 479 void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv);
 480 
 481 
 482 s32 rtw_txframes_pending(struct adapter *padapter);
 483 void rtw_init_hwxmits(struct hw_xmit *phwxmit, sint entry);
 484 
 485 
 486 s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter);
 487 void _rtw_free_xmit_priv (struct xmit_priv *pxmitpriv);
 488 
 489 
 490 s32 rtw_alloc_hwxmits(struct adapter *padapter);
 491 void rtw_free_hwxmits(struct adapter *padapter);
 492 
 493 
 494 s32 rtw_xmit(struct adapter *padapter, _pkt **pkt);
 495 bool xmitframe_hiq_filter(struct xmit_frame *xmitframe);
 496 
 497 sint xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe);
 498 void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta);
 499 void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta);
 500 void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta);
 501 
 502 u8 query_ra_short_GI(struct sta_info *psta);
 503 
 504 u8 qos_acm(u8 acm_mask, u8 priority);
 505 
 506 void enqueue_pending_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
 507 void enqueue_pending_xmitbuf_to_head(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
 508 struct xmit_buf*dequeue_pending_xmitbuf(struct xmit_priv *pxmitpriv);
 509 struct xmit_buf*dequeue_pending_xmitbuf_under_survey(struct xmit_priv *pxmitpriv);
 510 sint    check_pending_xmitbuf(struct xmit_priv *pxmitpriv);
 511 int     rtw_xmit_thread(void *context);
 512 
 513 u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe);
 514 
 515 int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms);
 516 void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status);
 517 
 518 /* include after declaring struct xmit_buf, in order to avoid warning */
 519 #include <xmit_osdep.h>
 520 
 521 #endif  /* _RTL871X_XMIT_H_ */
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/staging/rtl8723bs/include/rtw_xmit.h

INCLUDED FROM
