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 ******************************************************************************/
18 #include <osdep_service.h>
19 #include <drv_types.h>
21 #define MAX_XMITBUF_SZ (20480) /* 20k */
22 #define NR_XMITBUFF (4)
24 #define XMITBUF_ALIGN_SZ 4
26 /* xmit extension buff defination */
27 #define MAX_XMIT_EXTBUF_SZ (1536)
28 #define NR_XMIT_EXTBUFF (32)
30 #define MAX_NUMBLKS (1)
32 #define XMIT_VO_QUEUE (0)
33 #define XMIT_VI_QUEUE (1)
34 #define XMIT_BE_QUEUE (2)
35 #define XMIT_BK_QUEUE (3)
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
46 #define HW_QUEUE_ENTRY 8
48 #define WEP_IV(pattrib_iv, dot11txpn, keyidx)\
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);\
58 #define TKIP_IV(pattrib_iv, dot11txpn, keyidx)\
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);\
71 #define AES_IV(pattrib_iv, dot11txpn, keyidx)\
73 pattrib_iv[0] = dot11txpn._byte_.TSC0; \
74 pattrib_iv[1] = dot11txpn._byte_.TSC1; \
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);\
84 #define HWXMIT_ENTRY 4
86 #define TXDESC_SIZE 32
88 #define PACKET_OFFSET_SZ (8)
89 #define TXDESC_OFFSET (TXDESC_SIZE + PACKET_OFFSET_SZ)
104 struct __queue *sta_queue;
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
122 u8 encrypt; /* when 0 indicate no encrypt. when non-zero,
123 * indicate the encrypt algorith */
131 u8 vcs_mode; /* virtual carrier sense method */
139 u8 raid;/* rate adpative id */
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 */
152 struct sta_info *psta;
155 #define WLANHDR_OFFSET 64
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
163 #define EII_FRAMETAG 0x05
164 #define IEEE8023_FRAMETAG 0x06
166 #define MP_FRAMETAG 0x07
168 #define TXAGG_FRAMETAG 0x08
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;
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,
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);
197 struct list_head list;
198 struct adapter *padapter;
202 u16 ext_tag; /* 0: Normal xmitbuf, 1: extension xmitbuf. */
206 struct submit_ctx *sctx;
208 struct urb *pxmit_urb[8];
209 dma_addr_t dma_transfer_addr; /* (in) dma addr for transfer_buffer */
215 struct list_head list;
216 struct pkt_attrib attrib;
219 struct adapter *padapter;
221 struct xmit_buf *pxmitbuf;
229 struct list_head tx_pending;
230 struct __queue sta_pending;
234 struct sta_xmit_priv {
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;
251 volatile int free_sz; /* in units of 64 bytes */
252 volatile int free_cmdsz;
253 volatile int txsz[8];
259 struct agg_pkt_info {
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;
275 uint free_xmitframe_cnt;
276 struct __queue free_xmit_queue;
278 struct adapter *adapter;
287 struct hw_xmit *hwxmits;
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; */
294 struct tasklet_struct xmit_tasklet;
295 /* per AC pending irp */
300 struct __queue free_xmitbuf_queue;
301 struct __queue pending_xmitbuf_queue;
302 u8 *pallocated_xmitbuf;
304 uint free_xmitbuf_cnt;
305 struct __queue free_xmit_extbuf_queue;
306 u8 *pallocated_xmit_extbuf;
308 uint free_xmit_extbuf_cnt;
311 struct mutex ack_tx_mutex;
312 struct submit_ctx ack_tx_ops;
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);
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);
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);
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);
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);
370 /* include after declaring struct xmit_buf, in order to avoid warning */
371 #include <xmit_osdep.h>
373 #endif /* _RTL871X_XMIT_H_ */