1 /******************************************************************************
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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.
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
14 ******************************************************************************/
19 #define MAX_XMITBUF_SZ (20480) /* 20k */
21 #define NR_XMITBUFF (16)
23 #define XMITBUF_ALIGN_SZ 512
25 /* xmit extension buff defination */
26 #define MAX_XMIT_EXTBUF_SZ (1536)
27 #define NR_XMIT_EXTBUFF (32)
29 #define MAX_CMDBUF_SZ (5120) /* 4096) */
31 #define MAX_NUMBLKS (1)
33 #define XMIT_VO_QUEUE (0)
34 #define XMIT_VI_QUEUE (1)
35 #define XMIT_BE_QUEUE (2)
36 #define XMIT_BK_QUEUE (3)
38 #define VO_QUEUE_INX 0
39 #define VI_QUEUE_INX 1
40 #define BE_QUEUE_INX 2
41 #define BK_QUEUE_INX 3
42 #define BCN_QUEUE_INX 4
43 #define MGT_QUEUE_INX 5
44 #define HIGH_QUEUE_INX 6
45 #define TXCMD_QUEUE_INX 7
47 #define HW_QUEUE_ENTRY 8
49 #define WEP_IV(pattrib_iv, dot11txpn, keyidx)\
51 pattrib_iv[0] = dot11txpn._byte_.TSC0;\
52 pattrib_iv[1] = dot11txpn._byte_.TSC1;\
53 pattrib_iv[2] = dot11txpn._byte_.TSC2;\
54 pattrib_iv[3] = ((keyidx & 0x3)<<6);\
55 dot11txpn.val = (dot11txpn.val == 0xffffff) ? 0: (dot11txpn.val+1);\
59 #define TKIP_IV(pattrib_iv, dot11txpn, keyidx)\
61 pattrib_iv[0] = dot11txpn._byte_.TSC1;\
62 pattrib_iv[1] = (dot11txpn._byte_.TSC1 | 0x20) & 0x7f;\
63 pattrib_iv[2] = dot11txpn._byte_.TSC0;\
64 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
65 pattrib_iv[4] = dot11txpn._byte_.TSC2;\
66 pattrib_iv[5] = dot11txpn._byte_.TSC3;\
67 pattrib_iv[6] = dot11txpn._byte_.TSC4;\
68 pattrib_iv[7] = dot11txpn._byte_.TSC5;\
69 dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0: (dot11txpn.val+1);\
72 #define AES_IV(pattrib_iv, dot11txpn, keyidx)\
74 pattrib_iv[0] = dot11txpn._byte_.TSC0;\
75 pattrib_iv[1] = dot11txpn._byte_.TSC1;\
77 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
78 pattrib_iv[4] = dot11txpn._byte_.TSC2;\
79 pattrib_iv[5] = dot11txpn._byte_.TSC3;\
80 pattrib_iv[6] = dot11txpn._byte_.TSC4;\
81 pattrib_iv[7] = dot11txpn._byte_.TSC5;\
82 dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0: (dot11txpn.val+1);\
86 #define HWXMIT_ENTRY 4
88 /* For Buffer Descriptor ring architecture */
89 #define TXDESC_SIZE 40
91 #define TXDESC_OFFSET TXDESC_SIZE
100 #define TXDESC_40_BYTES
112 #if defined(TXDESC_40_BYTES) || defined(TXDESC_64_BYTES)
115 #endif /* TXDESC_40_BYTES */
117 #ifdef TXDESC_64_BYTES
121 /* 2008/05/15 MH Because PCIE HW memory R/W 4K limit. And now, our descriptor */
122 /* size is 40 bytes. If you use more than 102 descriptor(103*40>4096), HW will execute */
123 /* memoryR/W CRC error. And then all DMA fetch will fail. We must decrease descriptor */
124 /* number or enlarge descriptor size as 64 bytes. */
133 struct tx_desc txdesc;
134 unsigned int value[TXDESC_SIZE>>2];
138 /* _lock xmit_lock; */
139 /* struct list_head pending; */
140 struct __queue *sta_queue;
141 /* struct hw_txqueue *phwtxqueue; */
155 u16 pkt_hdrlen; /* the original 802.3 pkt header len */
156 u16 hdrlen; /* the WLAN Header Len */
157 u32 pktlen; /* the original 802.3 pkt raw_data len (not include ether_hdr data) */
160 u8 encrypt; /* when 0 indicate no encrypt. when non-zero, indicate the encrypt algorith */
168 u8 vcs_mode; /* virtual carrier sense method */
176 u8 raid;/* rate adpative id */
178 u8 ch_offset;/* PRIME_CHNL_OFFSET */
179 u8 sgi;/* short GI */
180 u8 ampdu_en;/* tx ampdu enable */
181 u8 ampdu_spacing; /* ampdu_min_spacing for peer sta's rx */
182 u8 mdata;/* more data bit */
183 u8 pctrl;/* per packet txdesc control enable */
184 u8 triggered;/* for ap mode handling Power Saving sta */
186 u8 order;/* order bit */
194 struct sta_info * psta;
198 union Keytype dot11tkiptxmickey;
199 /* union Keytype dot11tkiprxmickey; */
200 union Keytype dot118021x_UncstKey;
206 #define WLANHDR_OFFSET 64
208 #define NULL_FRAMETAG (0x0)
209 #define DATA_FRAMETAG 0x01
210 #define L2_FRAMETAG 0x02
211 #define MGNT_FRAMETAG 0x03
212 #define AMSDU_FRAMETAG 0x04
214 #define EII_FRAMETAG 0x05
215 #define IEEE8023_FRAMETAG 0x06
217 #define MP_FRAMETAG 0x07
219 #define TXAGG_FRAMETAG 0x08
228 unsigned long submit_time; /* */
229 u32 timeout_ms; /* <0: not synchronous, 0: wait forever, >0: up to ms waiting */
230 int status; /* status for operation */
231 struct completion done;
235 RTW_SCTX_SUBMITTED = -1,
236 RTW_SCTX_DONE_SUCCESS = 0,
237 RTW_SCTX_DONE_UNKNOWN,
238 RTW_SCTX_DONE_TIMEOUT,
239 RTW_SCTX_DONE_BUF_ALLOC,
240 RTW_SCTX_DONE_BUF_FREE,
241 RTW_SCTX_DONE_WRITE_PORT_ERR,
242 RTW_SCTX_DONE_TX_DESC_NA,
243 RTW_SCTX_DONE_TX_DENY,
244 RTW_SCTX_DONE_CCX_PKT_FAIL,
245 RTW_SCTX_DONE_DRV_STOP,
246 RTW_SCTX_DONE_DEV_REMOVE,
247 RTW_SCTX_DONE_CMD_ERROR,
251 void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms);
252 int rtw_sctx_wait(struct submit_ctx *sctx, const char *msg);
253 void rtw_sctx_done_err(struct submit_ctx **sctx, int status);
254 void rtw_sctx_done(struct submit_ctx **sctx);
258 struct list_head list;
260 struct adapter *padapter;
268 u16 buf_tag; /* 0: Normal xmitbuf, 1: extension xmitbuf, 2:cmd xmitbuf */
274 struct submit_ctx *sctx;
284 #if defined(DBG_XMIT_BUF)|| defined(DBG_XMIT_BUF_EXT)
293 struct list_head list;
295 struct pkt_attrib attrib;
301 struct adapter *padapter;
305 struct xmit_buf *pxmitbuf;
312 u8 *alloc_addr; /* the actual address this xmitframe allocated */
313 u8 ext_tag; /* 0:data, 1:mgmt */
318 struct list_head tx_pending;
319 struct __queue sta_pending;
328 sint apsd_setting; /* When bit mask is on, the associated edca queue supports APSD. */
331 /* struct tx_servq blk_q[MAX_NUMBLKS]; */
332 struct tx_servq be_q; /* priority == 0, 3 */
333 struct tx_servq bk_q; /* priority == 1, 2 */
334 struct tx_servq vi_q; /* priority == 4, 5 */
335 struct tx_servq vo_q; /* priority == 6, 7 */
336 struct list_head legacy_dz;
337 struct list_head apsd;
341 /* uint sta_tx_bytes; */
342 /* u64 sta_tx_pkts; */
343 /* uint sta_tx_fail; */
352 volatile sint free_sz; /* in units of 64 bytes */
353 volatile sint free_cmdsz;
354 volatile sint txsz[8];
366 CMDBUF_BEACON = 0x00,
376 _sema terminate_xmitthread_sema;
378 /* struct __queue blk_strms[MAX_NUMBLKS]; */
379 struct __queue be_pending;
380 struct __queue bk_pending;
381 struct __queue vi_pending;
382 struct __queue vo_pending;
383 struct __queue bm_pending;
385 /* struct __queue legacy_dz_queue; */
386 /* struct __queue apsd_queue; */
388 u8 *pallocated_frame_buf;
390 uint free_xmitframe_cnt;
391 struct __queue free_xmit_queue;
393 /* uint mapping_addr; */
396 u8 *xframe_ext_alloc_addr;
398 uint free_xframe_ext_cnt;
399 struct __queue free_xframe_ext_queue;
401 /* struct hw_txqueue be_txqueue; */
402 /* struct hw_txqueue bk_txqueue; */
403 /* struct hw_txqueue vi_txqueue; */
404 /* struct hw_txqueue vo_txqueue; */
405 /* struct hw_txqueue bmc_txqueue; */
409 struct adapter *adapter;
414 /* u16 rts_thresh; */
421 struct hw_xmit *hwxmits;
424 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. */
426 #ifdef CONFIG_SDIO_TX_TASKLET
427 struct tasklet_struct xmit_tasklet;
429 void *SdioXmitThread;
431 _sema SdioXmitTerminateSema;
432 #endif /* CONFIG_SDIO_TX_TASKLET */
434 struct __queue free_xmitbuf_queue;
435 struct __queue pending_xmitbuf_queue;
436 u8 *pallocated_xmitbuf;
438 uint free_xmitbuf_cnt;
440 struct __queue free_xmit_extbuf_queue;
441 u8 *pallocated_xmit_extbuf;
443 uint free_xmit_extbuf_cnt;
445 struct xmit_buf pcmd_xmitbuf[CMDBUF_MAX];
451 struct submit_ctx ack_tx_ops;
456 extern struct xmit_frame *__rtw_alloc_cmdxmitframe(struct xmit_priv *pxmitpriv,
457 enum cmdbuf_type buf_type);
458 #define rtw_alloc_cmdxmitframe(p) __rtw_alloc_cmdxmitframe(p, CMDBUF_RSVD)
459 #define rtw_alloc_bcnxmitframe(p) __rtw_alloc_cmdxmitframe(p, CMDBUF_BEACON)
461 extern struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv);
462 extern s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
464 extern struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv);
465 extern s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
467 void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz);
468 extern void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len);
469 extern s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattrib);
470 extern s32 rtw_put_snap(u8 *data, u16 h_proto);
472 extern struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv);
473 struct xmit_frame *rtw_alloc_xmitframe_ext(struct xmit_priv *pxmitpriv);
474 struct xmit_frame *rtw_alloc_xmitframe_once(struct xmit_priv *pxmitpriv);
475 extern s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe);
476 extern void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue);
477 struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, sint up, u8 *ac);
478 extern s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe);
480 extern s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe);
481 extern u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib);
482 #define rtw_wlan_pkt_size(f) rtw_calculate_wlan_pkt_size_by_attribue(&f->attrib)
483 extern s32 rtw_xmitframe_coalesce(struct adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe);
484 extern s32 rtw_mgmt_xmitframe_coalesce(struct adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe);
485 s32 _rtw_init_hw_txqueue(struct hw_txqueue* phw_txqueue, u8 ac_tag);
486 void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv);
489 s32 rtw_txframes_pending(struct adapter *padapter);
490 void rtw_init_hwxmits(struct hw_xmit *phwxmit, sint entry);
493 s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter);
494 void _rtw_free_xmit_priv (struct xmit_priv *pxmitpriv);
497 s32 rtw_alloc_hwxmits(struct adapter *padapter);
498 void rtw_free_hwxmits(struct adapter *padapter);
501 s32 rtw_xmit(struct adapter *padapter, _pkt **pkt);
502 bool xmitframe_hiq_filter(struct xmit_frame *xmitframe);
504 sint xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe);
505 void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta);
506 void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta);
507 void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta);
509 u8 query_ra_short_GI(struct sta_info *psta);
511 u8 qos_acm(u8 acm_mask, u8 priority);
513 void enqueue_pending_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
514 void enqueue_pending_xmitbuf_to_head(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
515 struct xmit_buf*dequeue_pending_xmitbuf(struct xmit_priv *pxmitpriv);
516 struct xmit_buf*dequeue_pending_xmitbuf_under_survey(struct xmit_priv *pxmitpriv);
517 sint check_pending_xmitbuf(struct xmit_priv *pxmitpriv);
518 int rtw_xmit_thread(void *context);
520 u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe);
522 int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms);
523 void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status);
525 /* include after declaring struct xmit_buf, in order to avoid warning */
526 #include <xmit_osdep.h>
528 #endif /* _RTL871X_XMIT_H_ */