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 #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.
63 #define TKIP_IV(pattrib_iv, txpn, keyidx)\
65 pattrib_iv[0] = txpn._byte_.TSC1;\
66 pattrib_iv[1] = (txpn._byte_.TSC1 | 0x20) & 0x7f;\
67 pattrib_iv[2] = txpn._byte_.TSC0;\
68 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
69 pattrib_iv[4] = txpn._byte_.TSC2;\
70 pattrib_iv[5] = txpn._byte_.TSC3;\
71 pattrib_iv[6] = txpn._byte_.TSC4;\
72 pattrib_iv[7] = txpn._byte_.TSC5;\
73 txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \
77 #define AES_IV(pattrib_iv, txpn, keyidx)\
79 pattrib_iv[0] = txpn._byte_.TSC0;\
80 pattrib_iv[1] = txpn._byte_.TSC1;\
82 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
83 pattrib_iv[4] = txpn._byte_.TSC2;\
84 pattrib_iv[5] = txpn._byte_.TSC3;\
85 pattrib_iv[6] = txpn._byte_.TSC4;\
86 pattrib_iv[7] = txpn._byte_.TSC5;\
87 txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \
93 struct list_head pending;
94 struct __queue *sta_queue;
95 struct hw_txqueue *phwtxqueue;
108 u16 pktlen; /* the original 802.3 pkt raw_data len
109 * (not include ether_hdr data)
113 u8 pkt_hdrlen; /*the original 802.3 pkt header len*/
114 u8 hdrlen; /*the WLAN Header Len*/
118 u8 vcs_mode; /*virtual carrier sense method*/
119 u8 pctrl;/*per packet txdesc control enable*/
123 u8 encrypt; /* when 0 indicate no encrypt. when non-zero,
124 * indicate the encrypt algorithm
129 unsigned char icv[8];
134 struct sta_info *psta;
137 #define WLANHDR_OFFSET 64
138 #define DATA_FRAMETAG 0x01
139 #define L2_FRAMETAG 0x02
140 #define MGNT_FRAMETAG 0x03
141 #define AMSDU_FRAMETAG 0x04
142 #define EII_FRAMETAG 0x05
143 #define IEEE8023_FRAMETAG 0x06
144 #define MP_FRAMETAG 0x07
145 #define TXAGG_FRAMETAG 0x08
148 struct list_head list;
153 struct urb *pxmit_urb[8];
158 struct list_head list;
159 struct pkt_attrib attrib;
162 struct _adapter *padapter;
164 struct xmit_buf *pxmitbuf;
167 struct urb *pxmit_urb[8];
173 struct list_head tx_pending;
174 struct __queue sta_pending;
178 struct sta_xmit_priv {
181 sint apsd_setting; /* When bit mask is on, the associated edca
182 * queue supports APSD.
184 struct tx_servq be_q; /* priority == 0,3 */
185 struct tx_servq bk_q; /* priority == 1,2*/
186 struct tx_servq vi_q; /*priority == 4,5*/
187 struct tx_servq vo_q; /*priority == 6,7*/
188 struct list_head legacy_dz;
189 struct list_head apsd;
197 /*volatile*/ sint head;
198 /*volatile*/ sint tail;
199 /*volatile*/ sint free_sz; /*in units of 64 bytes*/
200 /*volatile*/ sint free_cmdsz;
201 /*volatile*/ sint txsz[8];
209 struct __queue be_pending;
210 struct __queue bk_pending;
211 struct __queue vi_pending;
212 struct __queue vo_pending;
213 struct __queue bm_pending;
214 struct __queue legacy_dz_queue;
215 struct __queue apsd_queue;
216 u8 *pallocated_frame_buf;
218 uint free_xmitframe_cnt;
221 struct __queue free_xmit_queue;
222 struct hw_txqueue be_txqueue;
223 struct hw_txqueue bk_txqueue;
224 struct hw_txqueue vi_txqueue;
225 struct hw_txqueue vo_txqueue;
226 struct hw_txqueue bmc_txqueue;
228 struct _adapter *adapter;
236 struct hw_xmit *hwxmits;
239 struct tasklet_struct xmit_tasklet;
240 struct work_struct xmit_pipe4_reset_wi;
241 struct work_struct xmit_pipe6_reset_wi;
242 struct work_struct xmit_piped_reset_wi;
243 /*per AC pending irp*/
248 struct __queue free_amsdu_xmit_queue;
249 u8 *pallocated_amsdu_frame_buf;
250 u8 *pxmit_amsdu_frame_buf;
251 uint free_amsdu_xmitframe_cnt;
252 struct __queue free_txagg_xmit_queue;
253 u8 *pallocated_txagg_frame_buf;
254 u8 *pxmit_txagg_frame_buf;
255 uint free_txagg_xmitframe_cnt;
257 struct __queue free_xmitbuf_queue;
258 struct __queue pending_xmitbuf_queue;
259 u8 *pallocated_xmitbuf;
261 uint free_xmitbuf_cnt;
264 int r8712_free_xmitbuf(struct xmit_priv *pxmitpriv,
265 struct xmit_buf *pxmitbuf);
266 struct xmit_buf *r8712_alloc_xmitbuf(struct xmit_priv *pxmitpriv);
267 void r8712_update_protection(struct _adapter *padapter, u8 *ie, uint ie_len);
268 struct xmit_frame *r8712_alloc_xmitframe(struct xmit_priv *pxmitpriv);
269 void r8712_free_xmitframe(struct xmit_priv *pxmitpriv,
270 struct xmit_frame *pxmitframe);
271 void r8712_free_xmitframe_queue(struct xmit_priv *pxmitpriv,
272 struct __queue *pframequeue);
273 sint r8712_xmit_classifier(struct _adapter *padapter,
274 struct xmit_frame *pxmitframe);
275 sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt,
276 struct xmit_frame *pxmitframe);
277 sint _r8712_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag);
278 void _r8712_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv);
279 sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt,
280 struct pkt_attrib *pattrib);
281 int r8712_txframes_sta_ac_pending(struct _adapter *padapter,
282 struct pkt_attrib *pattrib);
283 sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv,
284 struct _adapter *padapter);
285 void _free_xmit_priv(struct xmit_priv *pxmitpriv);
286 void r8712_free_xmitframe_ex(struct xmit_priv *pxmitpriv,
287 struct xmit_frame *pxmitframe);
288 int r8712_pre_xmit(struct _adapter *padapter, struct xmit_frame *pxmitframe);
289 int r8712_xmit_enqueue(struct _adapter *padapter,
290 struct xmit_frame *pxmitframe);
291 int r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe);
292 void r8712_xmit_bh(void *priv);
294 void xmitframe_xmitbuf_attach(struct xmit_frame *pxmitframe,
295 struct xmit_buf *pxmitbuf);
297 #include "rtl8712_xmit.h"
299 #endif /*_RTL871X_XMIT_H_*/