1 /******************************************************************************
3 * Copyright(c) 2007 - 2010 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
18 * Modifications for inclusion into the Linux staging tree are
19 * Copyright(c) 2010 Larry Finger. All rights reserved.
21 * Contact information:
25 ******************************************************************************/
26 #ifndef _RTL871X_XMIT_H_
27 #define _RTL871X_XMIT_H_
29 #include "osdep_service.h"
30 #include "drv_types.h"
31 #include "xmit_osdep.h"
33 #ifdef CONFIG_R8712_TX_AGGR
34 #define MAX_XMITBUF_SZ (16384)
36 #define MAX_XMITBUF_SZ (2048)
39 #define NR_XMITBUFF (4)
41 #ifdef CONFIG_R8712_TX_AGGR
42 #define AGGR_NR_HIGH_BOUND (4) /*(8) */
43 #define AGGR_NR_LOW_BOUND (2)
46 #define XMITBUF_ALIGN_SZ 512
47 #define TX_GUARD_BAND 5
48 #define MAX_NUMBLKS (1)
50 /* Fixed the Big Endian bug when using the software driver encryption.*/
51 #define WEP_IV(pattrib_iv, txpn, keyidx)\
53 pattrib_iv[0] = txpn._byte_.TSC0;\
54 pattrib_iv[1] = txpn._byte_.TSC1;\
55 pattrib_iv[2] = txpn._byte_.TSC2;\
56 pattrib_iv[3] = ((keyidx & 0x3)<<6);\
57 txpn.val = (txpn.val == 0xffffff) ? 0 : (txpn.val+1);\
60 /* Fixed the Big Endian bug when doing the Tx.
61 * The Linksys WRH54G will check this.*/
62 #define TKIP_IV(pattrib_iv, txpn, keyidx)\
64 pattrib_iv[0] = txpn._byte_.TSC1;\
65 pattrib_iv[1] = (txpn._byte_.TSC1 | 0x20) & 0x7f;\
66 pattrib_iv[2] = txpn._byte_.TSC0;\
67 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
68 pattrib_iv[4] = txpn._byte_.TSC2;\
69 pattrib_iv[5] = txpn._byte_.TSC3;\
70 pattrib_iv[6] = txpn._byte_.TSC4;\
71 pattrib_iv[7] = txpn._byte_.TSC5;\
72 txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \
76 #define AES_IV(pattrib_iv, txpn, keyidx)\
78 pattrib_iv[0] = txpn._byte_.TSC0;\
79 pattrib_iv[1] = txpn._byte_.TSC1;\
81 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
82 pattrib_iv[4] = txpn._byte_.TSC2;\
83 pattrib_iv[5] = txpn._byte_.TSC3;\
84 pattrib_iv[6] = txpn._byte_.TSC4;\
85 pattrib_iv[7] = txpn._byte_.TSC5;\
86 txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \
92 struct list_head pending;
93 struct __queue *sta_queue;
94 struct hw_txqueue *phwtxqueue;
107 u16 pktlen; /* the original 802.3 pkt raw_data len
108 * (not include ether_hdr data) */
111 u8 pkt_hdrlen; /*the original 802.3 pkt header len*/
112 u8 hdrlen; /*the WLAN Header Len*/
116 u8 vcs_mode; /*virtual carrier sense method*/
117 u8 pctrl;/*per packet txdesc control enable*/
121 u8 encrypt; /* when 0 indicate no encrypt. when non-zero,
122 * indicate the encrypt algorithm*/
126 unsigned char icv[8];
131 struct sta_info *psta;
134 #define WLANHDR_OFFSET 64
135 #define DATA_FRAMETAG 0x01
136 #define L2_FRAMETAG 0x02
137 #define MGNT_FRAMETAG 0x03
138 #define AMSDU_FRAMETAG 0x04
139 #define EII_FRAMETAG 0x05
140 #define IEEE8023_FRAMETAG 0x06
141 #define MP_FRAMETAG 0x07
142 #define TXAGG_FRAMETAG 0x08
145 struct list_head list;
150 struct urb *pxmit_urb[8];
155 struct list_head list;
156 struct pkt_attrib attrib;
159 struct _adapter *padapter;
161 struct xmit_buf *pxmitbuf;
164 struct urb *pxmit_urb[8];
170 struct list_head tx_pending;
171 struct __queue sta_pending;
175 struct sta_xmit_priv {
178 sint apsd_setting; /* When bit mask is on, the associated edca
179 * queue supports APSD.*/
180 struct tx_servq be_q; /* priority == 0,3 */
181 struct tx_servq bk_q; /* priority == 1,2*/
182 struct tx_servq vi_q; /*priority == 4,5*/
183 struct tx_servq vo_q; /*priority == 6,7*/
184 struct list_head legacy_dz;
185 struct list_head apsd;
193 /*volatile*/ sint head;
194 /*volatile*/ sint tail;
195 /*volatile*/ sint free_sz; /*in units of 64 bytes*/
196 /*volatile*/ sint free_cmdsz;
197 /*volatile*/ sint txsz[8];
205 struct __queue be_pending;
206 struct __queue bk_pending;
207 struct __queue vi_pending;
208 struct __queue vo_pending;
209 struct __queue bm_pending;
210 struct __queue legacy_dz_queue;
211 struct __queue apsd_queue;
212 u8 *pallocated_frame_buf;
214 uint free_xmitframe_cnt;
217 struct __queue free_xmit_queue;
218 struct hw_txqueue be_txqueue;
219 struct hw_txqueue bk_txqueue;
220 struct hw_txqueue vi_txqueue;
221 struct hw_txqueue vo_txqueue;
222 struct hw_txqueue bmc_txqueue;
224 struct _adapter *adapter;
232 struct hw_xmit *hwxmits;
235 struct tasklet_struct xmit_tasklet;
236 struct work_struct xmit_pipe4_reset_wi;
237 struct work_struct xmit_pipe6_reset_wi;
238 struct work_struct xmit_piped_reset_wi;
239 /*per AC pending irp*/
244 struct __queue free_amsdu_xmit_queue;
245 u8 *pallocated_amsdu_frame_buf;
246 u8 *pxmit_amsdu_frame_buf;
247 uint free_amsdu_xmitframe_cnt;
248 struct __queue free_txagg_xmit_queue;
249 u8 *pallocated_txagg_frame_buf;
250 u8 *pxmit_txagg_frame_buf;
251 uint free_txagg_xmitframe_cnt;
253 struct __queue free_xmitbuf_queue;
254 struct __queue pending_xmitbuf_queue;
255 u8 *pallocated_xmitbuf;
257 uint free_xmitbuf_cnt;
260 static inline struct __queue *get_free_xmit_queue(
261 struct xmit_priv *pxmitpriv)
263 return &(pxmitpriv->free_xmit_queue);
266 int r8712_free_xmitbuf(struct xmit_priv *pxmitpriv,
267 struct xmit_buf *pxmitbuf);
268 struct xmit_buf *r8712_alloc_xmitbuf(struct xmit_priv *pxmitpriv);
269 void r8712_update_protection(struct _adapter *padapter, u8 *ie, uint ie_len);
270 struct xmit_frame *r8712_alloc_xmitframe(struct xmit_priv *pxmitpriv);
271 void r8712_free_xmitframe(struct xmit_priv *pxmitpriv,
272 struct xmit_frame *pxmitframe);
273 void r8712_free_xmitframe_queue(struct xmit_priv *pxmitpriv,
274 struct __queue *pframequeue);
275 sint r8712_xmit_classifier(struct _adapter *padapter,
276 struct xmit_frame *pxmitframe);
277 sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt,
278 struct xmit_frame *pxmitframe);
279 sint _r8712_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag);
280 void _r8712_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv);
281 sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt,
282 struct pkt_attrib *pattrib);
283 int r8712_txframes_sta_ac_pending(struct _adapter *padapter,
284 struct pkt_attrib *pattrib);
285 sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv,
286 struct _adapter *padapter);
287 void _free_xmit_priv(struct xmit_priv *pxmitpriv);
288 void r8712_free_xmitframe_ex(struct xmit_priv *pxmitpriv,
289 struct xmit_frame *pxmitframe);
290 int r8712_pre_xmit(struct _adapter *padapter, struct xmit_frame *pxmitframe);
291 int r8712_xmit_enqueue(struct _adapter *padapter,
292 struct xmit_frame *pxmitframe);
293 int r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe);
294 void r8712_xmit_bh(void *priv);
296 void xmitframe_xmitbuf_attach(struct xmit_frame *pxmitframe,
297 struct xmit_buf *pxmitbuf);
299 #include "rtl8712_xmit.h"
301 #endif /*_RTL871X_XMIT_H_*/