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:
22 * WLAN FAE <wlanfae@realtek.com>
23 * Larry Finger <Larry.Finger@lwfinger.net>
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 #define MAX_XMITBUF_SZ (2048)
34 #define NR_XMITBUFF (4)
35 #define XMITBUF_ALIGN_SZ 512
36 #define TX_GUARD_BAND 5
37 #define MAX_NUMBLKS (1)
39 /* Fixed the Big Endian bug when using the software driver encryption.*/
40 #define WEP_IV(pattrib_iv, txpn, keyidx)\
42 pattrib_iv[0] = txpn._byte_.TSC0;\
43 pattrib_iv[1] = txpn._byte_.TSC1;\
44 pattrib_iv[2] = txpn._byte_.TSC2;\
45 pattrib_iv[3] = ((keyidx & 0x3)<<6);\
46 txpn.val = (txpn.val == 0xffffff) ? 0 : (txpn.val+1);\
49 /* Fixed the Big Endian bug when doing the Tx.
50 * The Linksys WRH54G will check this.*/
51 #define TKIP_IV(pattrib_iv, txpn, keyidx)\
53 pattrib_iv[0] = txpn._byte_.TSC1;\
54 pattrib_iv[1] = (txpn._byte_.TSC1 | 0x20) & 0x7f;\
55 pattrib_iv[2] = txpn._byte_.TSC0;\
56 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
57 pattrib_iv[4] = txpn._byte_.TSC2;\
58 pattrib_iv[5] = txpn._byte_.TSC3;\
59 pattrib_iv[6] = txpn._byte_.TSC4;\
60 pattrib_iv[7] = txpn._byte_.TSC5;\
61 txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \
65 #define AES_IV(pattrib_iv, txpn, keyidx)\
67 pattrib_iv[0] = txpn._byte_.TSC0;\
68 pattrib_iv[1] = txpn._byte_.TSC1;\
70 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
71 pattrib_iv[4] = txpn._byte_.TSC2;\
72 pattrib_iv[5] = txpn._byte_.TSC3;\
73 pattrib_iv[6] = txpn._byte_.TSC4;\
74 pattrib_iv[7] = txpn._byte_.TSC5;\
75 txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \
81 struct list_head pending;
82 struct __queue *sta_queue;
83 struct hw_txqueue *phwtxqueue;
96 u32 pktlen; /* the original 802.3 pkt raw_data len
97 * (not include ether_hdr data) */
100 u8 pkt_hdrlen; /*the original 802.3 pkt header len*/
101 u8 hdrlen; /*the WLAN Header Len*/
105 u8 vcs_mode; /*virtual carrier sense method*/
106 u8 pctrl;/*per packet txdesc control enable*/
110 u8 encrypt; /* when 0 indicate no encrypt. when non-zero,
111 * indicate the encrypt algorith*/
115 unsigned char icv[8];
120 struct sta_info *psta;
123 #define WLANHDR_OFFSET 64
124 #define DATA_FRAMETAG 0x01
125 #define L2_FRAMETAG 0x02
126 #define MGNT_FRAMETAG 0x03
127 #define AMSDU_FRAMETAG 0x04
128 #define EII_FRAMETAG 0x05
129 #define IEEE8023_FRAMETAG 0x06
130 #define MP_FRAMETAG 0x07
131 #define TXAGG_FRAMETAG 0x08
134 struct list_head list;
138 struct urb *pxmit_urb[8];
142 struct list_head list;
143 struct pkt_attrib attrib;
146 struct _adapter *padapter;
148 struct xmit_buf *pxmitbuf;
151 struct urb *pxmit_urb[8];
157 struct list_head tx_pending;
158 struct __queue sta_pending;
162 struct sta_xmit_priv {
165 sint apsd_setting; /* When bit mask is on, the associated edca
166 * queue supports APSD.*/
167 struct tx_servq be_q; /* priority == 0,3 */
168 struct tx_servq bk_q; /* priority == 1,2*/
169 struct tx_servq vi_q; /*priority == 4,5*/
170 struct tx_servq vo_q; /*priority == 6,7*/
171 struct list_head legacy_dz;
172 struct list_head apsd;
180 /*volatile*/ sint head;
181 /*volatile*/ sint tail;
182 /*volatile*/ sint free_sz; /*in units of 64 bytes*/
183 /*volatile*/ sint free_cmdsz;
184 /*volatile*/ sint txsz[8];
192 struct semaphore xmit_sema;
193 struct semaphore terminate_xmitthread_sema;
194 struct __queue be_pending;
195 struct __queue bk_pending;
196 struct __queue vi_pending;
197 struct __queue vo_pending;
198 struct __queue bm_pending;
199 struct __queue legacy_dz_queue;
200 struct __queue apsd_queue;
201 u8 *pallocated_frame_buf;
203 uint free_xmitframe_cnt;
206 struct __queue free_xmit_queue;
207 struct hw_txqueue be_txqueue;
208 struct hw_txqueue bk_txqueue;
209 struct hw_txqueue vi_txqueue;
210 struct hw_txqueue vo_txqueue;
211 struct hw_txqueue bmc_txqueue;
213 struct _adapter *adapter;
221 struct hw_xmit *hwxmits;
223 struct semaphore tx_retevt;/*all tx return event;*/
225 struct tasklet_struct xmit_tasklet;
226 /*per AC pending irp*/
231 struct __queue free_amsdu_xmit_queue;
232 u8 *pallocated_amsdu_frame_buf;
233 u8 *pxmit_amsdu_frame_buf;
234 uint free_amsdu_xmitframe_cnt;
235 struct __queue free_txagg_xmit_queue;
236 u8 *pallocated_txagg_frame_buf;
237 u8 *pxmit_txagg_frame_buf;
238 uint free_txagg_xmitframe_cnt;
240 struct __queue free_xmitbuf_queue;
241 struct __queue pending_xmitbuf_queue;
242 u8 *pallocated_xmitbuf;
244 uint free_xmitbuf_cnt;
247 static inline struct __queue *get_free_xmit_queue(
248 struct xmit_priv *pxmitpriv)
250 return &(pxmitpriv->free_xmit_queue);
253 int r8712_free_xmitbuf(struct xmit_priv *pxmitpriv,
254 struct xmit_buf *pxmitbuf);
255 struct xmit_buf *r8712_alloc_xmitbuf(struct xmit_priv *pxmitpriv);
256 void r8712_update_protection(struct _adapter *padapter, u8 *ie, uint ie_len);
257 struct xmit_frame *r8712_alloc_xmitframe(struct xmit_priv *pxmitpriv);
258 void r8712_free_xmitframe(struct xmit_priv *pxmitpriv,
259 struct xmit_frame *pxmitframe);
260 void r8712_free_xmitframe_queue(struct xmit_priv *pxmitpriv,
261 struct __queue *pframequeue);
262 sint r8712_xmit_classifier(struct _adapter *padapter,
263 struct xmit_frame *pxmitframe);
264 sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt,
265 struct xmit_frame *pxmitframe);
266 sint _r8712_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag);
267 void _r8712_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv);
268 sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt,
269 struct pkt_attrib *pattrib);
270 int r8712_txframes_sta_ac_pending(struct _adapter *padapter,
271 struct pkt_attrib *pattrib);
272 sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv,
273 struct _adapter *padapter);
274 void _free_xmit_priv(struct xmit_priv *pxmitpriv);
275 void r8712_free_xmitframe_ex(struct xmit_priv *pxmitpriv,
276 struct xmit_frame *pxmitframe);
277 int r8712_pre_xmit(struct _adapter *padapter, struct xmit_frame *pxmitframe);
278 int r8712_xmit_enqueue(struct _adapter *padapter,
279 struct xmit_frame *pxmitframe);
280 int r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe);
281 void r8712_xmit_bh(void *priv);
283 #include "rtl8712_xmit.h"
285 #endif /*_RTL871X_XMIT_H_*/