1 #ifndef _RTL871X_XMIT_H_
2 #define _RTL871X_XMIT_H_
3
4 #include "osdep_service.h"
5 #include "drv_types.h"
6 #include "xmit_osdep.h"
7
8 #define MAX_XMITBUF_SZ (2048)
9 #define NR_XMITBUFF (4)
10 #define XMITBUF_ALIGN_SZ 512
11 #define TX_GUARD_BAND 5
12 #define MAX_NUMBLKS (1)
13
14 /* Fixed the Big Endian bug when using the software driver encryption.*/
15 #define WEP_IV(pattrib_iv, txpn, keyidx)\
16 do { \
17 pattrib_iv[0] = txpn._byte_.TSC0;\
18 pattrib_iv[1] = txpn._byte_.TSC1;\
19 pattrib_iv[2] = txpn._byte_.TSC2;\
20 pattrib_iv[3] = ((keyidx & 0x3)<<6);\
21 txpn.val = (txpn.val == 0xffffff) ? 0 : (txpn.val+1);\
22 } while (0)
23
24 /* Fixed the Big Endian bug when doing the Tx.
25 * The Linksys WRH54G will check this.*/
26 #define TKIP_IV(pattrib_iv, txpn, keyidx)\
27 do { \
28 pattrib_iv[0] = txpn._byte_.TSC1;\
29 pattrib_iv[1] = (txpn._byte_.TSC1 | 0x20) & 0x7f;\
30 pattrib_iv[2] = txpn._byte_.TSC0;\
31 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
32 pattrib_iv[4] = txpn._byte_.TSC2;\
33 pattrib_iv[5] = txpn._byte_.TSC3;\
34 pattrib_iv[6] = txpn._byte_.TSC4;\
35 pattrib_iv[7] = txpn._byte_.TSC5;\
36 txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \
37 (txpn.val+1);\
38 } while (0)
39
40 #define AES_IV(pattrib_iv, txpn, keyidx)\
41 do { \
42 pattrib_iv[0] = txpn._byte_.TSC0;\
43 pattrib_iv[1] = txpn._byte_.TSC1;\
44 pattrib_iv[2] = 0;\
45 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
46 pattrib_iv[4] = txpn._byte_.TSC2;\
47 pattrib_iv[5] = txpn._byte_.TSC3;\
48 pattrib_iv[6] = txpn._byte_.TSC4;\
49 pattrib_iv[7] = txpn._byte_.TSC5;\
50 txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \
51 (txpn.val+1);\
52 } while (0)
53
54 struct hw_xmit {
55 spinlock_t xmit_lock;
56 struct list_head pending;
57 struct __queue *sta_queue;
58 struct hw_txqueue *phwtxqueue;
59 sint txcmdcnt;
60 int accnt;
61 };
62
63 struct pkt_attrib {
64 u8 type;
65 u8 subtype;
66 u8 bswenc;
67 u8 dhcp_pkt;
68
69 u16 seqnum;
70 u16 ether_type;
71 u32 pktlen; /* the original 802.3 pkt raw_data len
72 * (not include ether_hdr data) */
73 u32 last_txcmdsz;
74
75 u8 pkt_hdrlen; /*the original 802.3 pkt header len*/
76 u8 hdrlen; /*the WLAN Header Len*/
77 u8 nr_frags;
78 u8 ack_policy;
79 u8 mac_id;
80 u8 vcs_mode; /*virtual carrier sense method*/
81 u8 pctrl;/*per packet txdesc control enable*/
82 u8 qsel;
83
84 u8 priority;
85 u8 encrypt; /* when 0 indicate no encrypt. when non-zero,
86 * indicate the encrypt algorith*/
87 u8 iv_len;
88 u8 icv_len;
89 unsigned char iv[8];
90 unsigned char icv[8];
91 u8 dst[ETH_ALEN];
92 u8 src[ETH_ALEN];
93 u8 ta[ETH_ALEN];
94 u8 ra[ETH_ALEN];
95 struct sta_info *psta;
96 };
97
98 #define WLANHDR_OFFSET 64
99 #define DATA_FRAMETAG 0x01
100 #define L2_FRAMETAG 0x02
101 #define MGNT_FRAMETAG 0x03
102 #define AMSDU_FRAMETAG 0x04
103 #define EII_FRAMETAG 0x05
104 #define IEEE8023_FRAMETAG 0x06
105 #define MP_FRAMETAG 0x07
106 #define TXAGG_FRAMETAG 0x08
107
108 struct xmit_buf {
109 struct list_head list;
110
111 u8 *pallocated_buf;
112 u8 *pbuf;
113 struct urb *pxmit_urb[8];
114 };
115
116 struct xmit_frame {
117 struct list_head list;
118 struct pkt_attrib attrib;
119 _pkt *pkt;
120 int frame_tag;
121 struct _adapter *padapter;
122 u8 *buf_addr;
123 struct xmit_buf *pxmitbuf;
124 u8 *mem_addr;
125 u16 sz[8];
126 struct urb *pxmit_urb[8];
127 u8 bpending[8];
128 u8 last[8];
129 };
130
131 struct tx_servq {
132 struct list_head tx_pending;
133 struct __queue sta_pending;
134 int qcnt;
135 };
136
137 struct sta_xmit_priv {
138 spinlock_t lock;
139 sint option;
140 sint apsd_setting; /* When bit mask is on, the associated edca
141 * queue supports APSD.*/
142 struct tx_servq be_q; /* priority == 0,3 */
143 struct tx_servq bk_q; /* priority == 1,2*/
144 struct tx_servq vi_q; /*priority == 4,5*/
145 struct tx_servq vo_q; /*priority == 6,7*/
146 struct list_head legacy_dz;
147 struct list_head apsd;
148 u16 txseq_tid[16];
149 uint sta_tx_bytes;
150 u64 sta_tx_pkts;
151 uint sta_tx_fail;
152 };
153
154 struct hw_txqueue {
155 /*volatile*/ sint head;
156 /*volatile*/ sint tail;
157 /*volatile*/ sint free_sz; /*in units of 64 bytes*/
158 /*volatile*/ sint free_cmdsz;
159 /*volatile*/ sint txsz[8];
160 uint ff_hwaddr;
161 uint cmd_hwaddr;
162 sint ac_tag;
163 };
164
165 struct xmit_priv {
166 spinlock_t lock;
167 struct semaphore xmit_sema;
168 struct semaphore terminate_xmitthread_sema;
169 struct __queue be_pending;
170 struct __queue bk_pending;
171 struct __queue vi_pending;
172 struct __queue vo_pending;
173 struct __queue bm_pending;
174 struct __queue legacy_dz_queue;
175 struct __queue apsd_queue;
176 u8 *pallocated_frame_buf;
177 u8 *pxmit_frame_buf;
178 uint free_xmitframe_cnt;
179 uint mapping_addr;
180 uint pkt_sz;
181 struct __queue free_xmit_queue;
182 struct hw_txqueue be_txqueue;
183 struct hw_txqueue bk_txqueue;
184 struct hw_txqueue vi_txqueue;
185 struct hw_txqueue vo_txqueue;
186 struct hw_txqueue bmc_txqueue;
187 uint frag_len;
188 struct _adapter *adapter;
189 u8 vcs_setting;
190 u8 vcs;
191 u8 vcs_type;
192 u16 rts_thresh;
193 uint tx_bytes;
194 u64 tx_pkts;
195 uint tx_drop;
196 struct hw_xmit *hwxmits;
197 u8 hwxmit_entry;
198 struct semaphore tx_retevt;/*all tx return event;*/
199 u8 txirp_cnt;
200 struct tasklet_struct xmit_tasklet;
201 /*per AC pending irp*/
202 int beq_cnt;
203 int bkq_cnt;
204 int viq_cnt;
205 int voq_cnt;
206 struct __queue free_amsdu_xmit_queue;
207 u8 *pallocated_amsdu_frame_buf;
208 u8 *pxmit_amsdu_frame_buf;
209 uint free_amsdu_xmitframe_cnt;
210 struct __queue free_txagg_xmit_queue;
211 u8 *pallocated_txagg_frame_buf;
212 u8 *pxmit_txagg_frame_buf;
213 uint free_txagg_xmitframe_cnt;
214 int cmdseq;
215 struct __queue free_xmitbuf_queue;
216 struct __queue pending_xmitbuf_queue;
217 u8 *pallocated_xmitbuf;
218 u8 *pxmitbuf;
219 uint free_xmitbuf_cnt;
220 };
221
get_free_xmit_queue(struct xmit_priv * pxmitpriv)222 static inline struct __queue *get_free_xmit_queue(
223 struct xmit_priv *pxmitpriv)
224 {
225 return &(pxmitpriv->free_xmit_queue);
226 }
227
228 int r8712_free_xmitbuf(struct xmit_priv *pxmitpriv,
229 struct xmit_buf *pxmitbuf);
230 struct xmit_buf *r8712_alloc_xmitbuf(struct xmit_priv *pxmitpriv);
231 void r8712_update_protection(struct _adapter *padapter, u8 *ie, uint ie_len);
232 struct xmit_frame *r8712_alloc_xmitframe(struct xmit_priv *pxmitpriv);
233 void r8712_free_xmitframe(struct xmit_priv *pxmitpriv,
234 struct xmit_frame *pxmitframe);
235 void r8712_free_xmitframe_queue(struct xmit_priv *pxmitpriv,
236 struct __queue *pframequeue);
237 sint r8712_xmit_classifier(struct _adapter *padapter,
238 struct xmit_frame *pxmitframe);
239 sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt,
240 struct xmit_frame *pxmitframe);
241 sint _r8712_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag);
242 void _r8712_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv);
243 sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt,
244 struct pkt_attrib *pattrib);
245 int r8712_txframes_sta_ac_pending(struct _adapter *padapter,
246 struct pkt_attrib *pattrib);
247 sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv, struct _adapter *padapter);
248 void _free_xmit_priv(struct xmit_priv *pxmitpriv);
249 void r8712_free_xmitframe_ex(struct xmit_priv *pxmitpriv,
250 struct xmit_frame *pxmitframe);
251 int r8712_pre_xmit(struct _adapter *padapter, struct xmit_frame *pxmitframe);
252 int r8712_xmit_enqueue(struct _adapter *padapter,
253 struct xmit_frame *pxmitframe);
254 int r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe);
255 void r8712_xmit_bh(void *priv);
256
257 #include "rtl8712_xmit.h"
258
259 #endif /*_RTL871X_XMIT_H_*/
260
261