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 * 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
19 ******************************************************************************/
24 #include <osdep_service.h>
25 #include <drv_types.h>
27 #ifdef CONFIG_USB_TX_AGGREGATION
28 #define MAX_XMITBUF_SZ (20480) // 20k
30 #define MAX_XMITBUF_SZ (2048)
32 #ifdef CONFIG_SINGLE_XMIT_BUF
33 #define NR_XMITBUFF (1)
35 #define NR_XMITBUFF (4)
36 #endif //CONFIG_SINGLE_XMIT_BUF
38 #define XMITBUF_ALIGN_SZ 512
40 // xmit extension buff defination
41 #define MAX_XMIT_EXTBUF_SZ (1536)
42 #define NR_XMIT_EXTBUFF (32)
44 #define MAX_NUMBLKS (1)
46 #define XMIT_VO_QUEUE (0)
47 #define XMIT_VI_QUEUE (1)
48 #define XMIT_BE_QUEUE (2)
49 #define XMIT_BK_QUEUE (3)
51 #define VO_QUEUE_INX 0
52 #define VI_QUEUE_INX 1
53 #define BE_QUEUE_INX 2
54 #define BK_QUEUE_INX 3
55 #define BCN_QUEUE_INX 4
56 #define MGT_QUEUE_INX 5
57 #define HIGH_QUEUE_INX 6
58 #define TXCMD_QUEUE_INX 7
60 #define HW_QUEUE_ENTRY 8
62 #define WEP_IV(pattrib_iv, dot11txpn, keyidx)\
64 pattrib_iv[0] = dot11txpn._byte_.TSC0;\
65 pattrib_iv[1] = dot11txpn._byte_.TSC1;\
66 pattrib_iv[2] = dot11txpn._byte_.TSC2;\
67 pattrib_iv[3] = ((keyidx & 0x3)<<6);\
68 dot11txpn.val = (dot11txpn.val == 0xffffff) ? 0: (dot11txpn.val+1);\
72 #define TKIP_IV(pattrib_iv, dot11txpn, keyidx)\
74 pattrib_iv[0] = dot11txpn._byte_.TSC1;\
75 pattrib_iv[1] = (dot11txpn._byte_.TSC1 | 0x20) & 0x7f;\
76 pattrib_iv[2] = dot11txpn._byte_.TSC0;\
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);\
85 #define AES_IV(pattrib_iv, dot11txpn, keyidx)\
87 pattrib_iv[0] = dot11txpn._byte_.TSC0;\
88 pattrib_iv[1] = dot11txpn._byte_.TSC1;\
90 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
91 pattrib_iv[4] = dot11txpn._byte_.TSC2;\
92 pattrib_iv[5] = dot11txpn._byte_.TSC3;\
93 pattrib_iv[6] = dot11txpn._byte_.TSC4;\
94 pattrib_iv[7] = dot11txpn._byte_.TSC5;\
95 dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0: (dot11txpn.val+1);\
99 #define HWXMIT_ENTRY 4
102 #define TXDESC_SIZE 32
104 #ifdef CONFIG_TX_EARLY_MODE
105 #define EARLY_MODE_INFO_SIZE 8
109 #define PACKET_OFFSET_SZ (8)
110 #define TXDESC_OFFSET (TXDESC_SIZE + PACKET_OFFSET_SZ)
134 struct tx_desc txdesc;
135 unsigned int value[TXDESC_SIZE>>2];
139 //spinlock_t xmit_lock;
140 //struct list_head pending;
142 //struct hw_txqueue *phwtxqueue;
156 u16 pkt_hdrlen; //the original 802.3 pkt header len
157 u16 hdrlen; //the WLAN Header Len
158 u32 pktlen; //the original 802.3 pkt raw_data len (not include ether_hdr data)
161 u8 encrypt; //when 0 indicate no encrypt. when non-zero, indicate the encrypt algorith
169 u8 vcs_mode; //virtual carrier sense method
177 u8 raid;//rate adpative id
179 u8 ch_offset;//PRIME_CHNL_OFFSET
181 u8 ampdu_en;//tx ampdu enable
182 u8 mdata;//more data bit
183 u8 pctrl;//per packet txdesc control enable
184 u8 triggered;//for ap mode handling Power Saving sta
190 struct sta_info * psta;
191 #ifdef CONFIG_TCP_CSUM_OFFLOAD_TX
196 #define WLANHDR_OFFSET 64
198 #define NULL_FRAMETAG (0x0)
199 #define DATA_FRAMETAG 0x01
200 #define L2_FRAMETAG 0x02
201 #define MGNT_FRAMETAG 0x03
202 #define AMSDU_FRAMETAG 0x04
204 #define EII_FRAMETAG 0x05
205 #define IEEE8023_FRAMETAG 0x06
207 #define MP_FRAMETAG 0x07
209 #define TXAGG_FRAMETAG 0x08
212 u32 submit_time; /* */
213 u32 timeout_ms; /* <0: not synchronous, 0: wait forever, >0: up to ms waiting */
214 int status; /* status for operation */
215 struct completion done;
219 RTW_SCTX_SUBMITTED = -1,
220 RTW_SCTX_DONE_SUCCESS = 0,
221 RTW_SCTX_DONE_UNKNOWN,
222 RTW_SCTX_DONE_TIMEOUT,
223 RTW_SCTX_DONE_BUF_ALLOC,
224 RTW_SCTX_DONE_BUF_FREE,
225 RTW_SCTX_DONE_WRITE_PORT_ERR,
226 RTW_SCTX_DONE_TX_DESC_NA,
227 RTW_SCTX_DONE_TX_DENY,
228 RTW_SCTX_DONE_CCX_PKT_FAIL,
229 RTW_SCTX_DONE_DRV_STOP,
230 RTW_SCTX_DONE_DEV_REMOVE,
234 void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms);
235 int rtw_sctx_wait(struct submit_ctx *sctx);
236 void rtw_sctx_done_err(struct submit_ctx **sctx, int status);
237 void rtw_sctx_done(struct submit_ctx **sctx);
241 struct list_head list;
251 u16 ext_tag; // 0: Normal xmitbuf, 1: extension xmitbuf.
255 struct submit_ctx *sctx;
257 struct urb *pxmit_urb[8];
258 dma_addr_t dma_transfer_addr; /* (in) dma addr for transfer_buffer */
261 #if defined(DBG_XMIT_BUF )|| defined(DBG_XMIT_BUF_EXT)
268 struct list_head list;
270 struct pkt_attrib attrib;
280 struct xmit_buf *pxmitbuf;
282 #ifdef CONFIG_USB_TX_AGGREGATION
286 #ifdef CONFIG_RTL8192D
288 u16 EMPktLen[5];//The max value by HW
291 #ifdef CONFIG_XMIT_ACK
295 u8 *alloc_addr; /* the actual address this xmitframe allocated */
296 u8 ext_tag; /* 0:data, 1:mgmt */
301 struct list_head tx_pending;
311 int apsd_setting; //When bit mask is on, the associated edca queue supports APSD.
314 //struct tx_servq blk_q[MAX_NUMBLKS];
315 struct tx_servq be_q; //priority == 0,3
316 struct tx_servq bk_q; //priority == 1,2
317 struct tx_servq vi_q; //priority == 4,5
318 struct tx_servq vo_q; //priority == 6,7
319 struct list_head legacy_dz;
320 struct list_head apsd;
335 volatile int free_sz; //in units of 64 bytes
336 volatile int free_cmdsz;
337 volatile int txsz[8];
352 struct semaphore xmit_sema;
353 struct semaphore terminate_xmitthread_sema;
355 //_queue blk_strms[MAX_NUMBLKS];
362 //_queue legacy_dz_queue;
365 u8 *pallocated_frame_buf;
367 uint free_xmitframe_cnt;
368 _queue free_xmit_queue;
373 u8 *xframe_ext_alloc_addr;
375 uint free_xframe_ext_cnt;
376 _queue free_xframe_ext_queue;
378 //struct hw_txqueue be_txqueue;
379 //struct hw_txqueue bk_txqueue;
380 //struct hw_txqueue vi_txqueue;
381 //struct hw_txqueue vo_txqueue;
382 //struct hw_txqueue bmc_txqueue;
399 struct hw_xmit *hwxmits;
402 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.
404 struct semaphore tx_retevt;//all tx return event;
407 struct tasklet_struct xmit_tasklet;
414 _queue free_xmitbuf_queue;
415 _queue pending_xmitbuf_queue;
416 u8 *pallocated_xmitbuf;
418 uint free_xmitbuf_cnt;
420 _queue free_xmit_extbuf_queue;
421 u8 *pallocated_xmit_extbuf;
423 uint free_xmit_extbuf_cnt;
426 #ifdef CONFIG_TX_EARLY_MODE
428 #define MAX_AGG_PKT_NUM 256 //Max tx ampdu coounts
430 struct agg_pkt_info agg_pkt[MAX_AGG_PKT_NUM];
433 #ifdef CONFIG_XMIT_ACK
435 struct mutex ack_tx_mutex;
436 struct submit_ctx ack_tx_ops;
438 spinlock_t lock_sctx;
441 extern struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv);
442 extern s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
444 extern struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv);
445 extern s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
447 void rtw_count_tx_stats(_adapter *padapter, struct xmit_frame *pxmitframe, int sz);
448 extern void rtw_update_protection(_adapter *padapter, u8 *ie, uint ie_len);
449 extern s32 rtw_make_wlanhdr(_adapter *padapter, u8 *hdr, struct pkt_attrib *pattrib);
450 extern s32 rtw_put_snap(u8 *data, u16 h_proto);
452 extern struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv);
453 struct xmit_frame *rtw_alloc_xmitframe_ext(struct xmit_priv *pxmitpriv);
454 struct xmit_frame *rtw_alloc_xmitframe_once(struct xmit_priv *pxmitpriv);
455 extern s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe);
456 extern void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, _queue *pframequeue);
457 struct tx_servq *rtw_get_sta_pending(_adapter *padapter, struct sta_info *psta, int up, u8 *ac);
458 extern s32 rtw_xmitframe_enqueue(_adapter *padapter, struct xmit_frame *pxmitframe);
459 extern struct xmit_frame* rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i, int entry);
461 extern s32 rtw_xmit_classifier(_adapter *padapter, struct xmit_frame *pxmitframe);
462 extern u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib);
463 #define rtw_wlan_pkt_size(f) rtw_calculate_wlan_pkt_size_by_attribue(&f->attrib)
464 extern s32 rtw_xmitframe_coalesce(_adapter *padapter, _pkt *pkt, struct xmit_frame *pxmitframe);
466 s32 rtw_xmit_tdls_coalesce(_adapter *padapter, struct xmit_frame *pxmitframe, u8 action);
468 s32 _rtw_init_hw_txqueue(struct hw_txqueue* phw_txqueue, u8 ac_tag);
469 void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv);
472 s32 rtw_txframes_pending(_adapter *padapter);
473 s32 rtw_txframes_sta_ac_pending(_adapter *padapter, struct pkt_attrib *pattrib);
474 void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry);
477 s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, _adapter *padapter);
478 void _rtw_free_xmit_priv (struct xmit_priv *pxmitpriv);
481 void rtw_alloc_hwxmits(_adapter *padapter);
482 void rtw_free_hwxmits(_adapter *padapter);
485 s32 rtw_xmit(_adapter *padapter, _pkt **pkt);
487 #if defined(CONFIG_AP_MODE) || defined(CONFIG_TDLS)
488 int xmitframe_enqueue_for_sleeping_sta(_adapter *padapter, struct xmit_frame *pxmitframe);
489 void stop_sta_xmit(_adapter *padapter, struct sta_info *psta);
490 void wakeup_sta_to_xmit(_adapter *padapter, struct sta_info *psta);
491 void xmit_delivery_enabled_frames(_adapter *padapter, struct sta_info *psta);
494 u8 qos_acm(u8 acm_mask, u8 priority);
496 #ifdef CONFIG_XMIT_THREAD_MODE
497 void enqueue_pending_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
498 struct xmit_buf* dequeue_pending_xmitbuf(struct xmit_priv *pxmitpriv);
499 struct xmit_buf* dequeue_pending_xmitbuf_under_survey(struct xmit_priv *pxmitpriv);
500 int check_pending_xmitbuf(struct xmit_priv *pxmitpriv);
501 int rtw_xmit_thread(void *context);
504 u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe);
506 #ifdef CONFIG_XMIT_ACK
507 int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms);
508 void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status);
509 #endif //CONFIG_XMIT_ACK
512 //include after declaring struct xmit_buf, in order to avoid warning
513 #include <xmit_osdep.h>
515 #endif //_RTL871X_XMIT_H_