1
2
3
4
5
6
7 #ifndef _RTW_XMIT_H_
8 #define _RTW_XMIT_H_
9
10 #include <osdep_service.h>
11 #include <drv_types.h>
12
13 #define MAX_XMITBUF_SZ (20480)
14 #define NR_XMITBUFF (4)
15
16 #define XMITBUF_ALIGN_SZ 4
17
18
19 #define MAX_XMIT_EXTBUF_SZ (1536)
20 #define NR_XMIT_EXTBUFF (32)
21
22 #define MAX_NUMBLKS (1)
23
24 #define XMIT_VO_QUEUE (0)
25 #define XMIT_VI_QUEUE (1)
26 #define XMIT_BE_QUEUE (2)
27 #define XMIT_BK_QUEUE (3)
28
29 #define VO_QUEUE_INX 0
30 #define VI_QUEUE_INX 1
31 #define BE_QUEUE_INX 2
32 #define BK_QUEUE_INX 3
33 #define BCN_QUEUE_INX 4
34 #define MGT_QUEUE_INX 5
35 #define HIGH_QUEUE_INX 6
36 #define TXCMD_QUEUE_INX 7
37
38 #define HW_QUEUE_ENTRY 8
39
40 #define WEP_IV(pattrib_iv, dot11txpn, keyidx)\
41 do {\
42 pattrib_iv[0] = dot11txpn._byte_.TSC0;\
43 pattrib_iv[1] = dot11txpn._byte_.TSC1;\
44 pattrib_iv[2] = dot11txpn._byte_.TSC2;\
45 pattrib_iv[3] = ((keyidx & 0x3)<<6);\
46 dot11txpn.val = (dot11txpn.val == 0xffffff) ? 0 : (dot11txpn.val+1);\
47 } while (0)
48
49
50 #define TKIP_IV(pattrib_iv, dot11txpn, keyidx)\
51 do {\
52 pattrib_iv[0] = dot11txpn._byte_.TSC1;\
53 pattrib_iv[1] = (dot11txpn._byte_.TSC1 | 0x20) & 0x7f;\
54 pattrib_iv[2] = dot11txpn._byte_.TSC0;\
55 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
56 pattrib_iv[4] = dot11txpn._byte_.TSC2;\
57 pattrib_iv[5] = dot11txpn._byte_.TSC3;\
58 pattrib_iv[6] = dot11txpn._byte_.TSC4;\
59 pattrib_iv[7] = dot11txpn._byte_.TSC5;\
60 dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0 : (dot11txpn.val+1);\
61 } while (0)
62
63 #define AES_IV(pattrib_iv, dot11txpn, keyidx)\
64 do { \
65 pattrib_iv[0] = dot11txpn._byte_.TSC0; \
66 pattrib_iv[1] = dot11txpn._byte_.TSC1; \
67 pattrib_iv[2] = 0; \
68 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6); \
69 pattrib_iv[4] = dot11txpn._byte_.TSC2; \
70 pattrib_iv[5] = dot11txpn._byte_.TSC3; \
71 pattrib_iv[6] = dot11txpn._byte_.TSC4; \
72 pattrib_iv[7] = dot11txpn._byte_.TSC5; \
73 dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0 : (dot11txpn.val+1);\
74 } while (0)
75
76 #define HWXMIT_ENTRY 4
77
78 #define TXDESC_SIZE 32
79
80 #define PACKET_OFFSET_SZ (8)
81 #define TXDESC_OFFSET (TXDESC_SIZE + PACKET_OFFSET_SZ)
82
83 struct tx_desc {
84
85 __le32 txdw0;
86 __le32 txdw1;
87 __le32 txdw2;
88 __le32 txdw3;
89 __le32 txdw4;
90 __le32 txdw5;
91 __le32 txdw6;
92 __le32 txdw7;
93 };
94
95 struct hw_xmit {
96 struct __queue *sta_queue;
97 int accnt;
98 };
99
100
101 struct pkt_attrib {
102 u8 type;
103 u8 subtype;
104 u8 bswenc;
105 u8 dhcp_pkt;
106 u16 ether_type;
107 u16 seqnum;
108 u16 hdrlen;
109 u32 pktlen;
110
111
112 u32 last_txcmdsz;
113 u8 nr_frags;
114 u8 encrypt;
115
116
117 u8 iv_len;
118 u8 icv_len;
119 u8 iv[18];
120 u8 icv[16];
121 u8 priority;
122 u8 ack_policy;
123 u8 mac_id;
124 u8 vcs_mode;
125 u8 dst[ETH_ALEN];
126 u8 src[ETH_ALEN];
127 u8 ta[ETH_ALEN];
128 u8 ra[ETH_ALEN];
129 u8 key_idx;
130 u8 qos_en;
131 u8 ht_en;
132 u8 raid;
133 u8 bwmode;
134 u8 ch_offset;
135 u8 sgi;
136 u8 ampdu_en;
137 u8 mdata;
138 u8 pctrl;
139 u8 triggered;
140 u8 qsel;
141 u8 eosp;
142 u8 rate;
143 u8 intel_proxim;
144 u8 retry_ctrl;
145 struct sta_info *psta;
146 };
147
148 #define WLANHDR_OFFSET 64
149
150 #define NULL_FRAMETAG (0x0)
151 #define DATA_FRAMETAG 0x01
152 #define L2_FRAMETAG 0x02
153 #define MGNT_FRAMETAG 0x03
154 #define AMSDU_FRAMETAG 0x04
155
156 #define EII_FRAMETAG 0x05
157 #define IEEE8023_FRAMETAG 0x06
158
159 #define MP_FRAMETAG 0x07
160
161 #define TXAGG_FRAMETAG 0x08
162
163 struct submit_ctx {
164 u32 submit_time;
165 u32 timeout_ms;
166 int status;
167 struct completion done;
168 };
169
170 enum {
171 RTW_SCTX_SUBMITTED = -1,
172 RTW_SCTX_DONE_SUCCESS = 0,
173 RTW_SCTX_DONE_UNKNOWN,
174 RTW_SCTX_DONE_TIMEOUT,
175 RTW_SCTX_DONE_BUF_ALLOC,
176 RTW_SCTX_DONE_BUF_FREE,
177 RTW_SCTX_DONE_WRITE_PORT_ERR,
178 RTW_SCTX_DONE_TX_DESC_NA,
179 RTW_SCTX_DONE_TX_DENY,
180 RTW_SCTX_DONE_CCX_PKT_FAIL,
181 RTW_SCTX_DONE_DRV_STOP,
182 RTW_SCTX_DONE_DEV_REMOVE,
183 };
184
185 void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms);
186 int rtw_sctx_wait(struct submit_ctx *sctx);
187 void rtw_sctx_done_err(struct submit_ctx **sctx, int status);
188
189 struct xmit_buf {
190 struct list_head list;
191 struct adapter *padapter;
192 u8 *pallocated_buf;
193 u8 *pbuf;
194 void *priv_data;
195 u16 ext_tag;
196 u16 flags;
197 u32 alloc_sz;
198 u32 len;
199 struct submit_ctx *sctx;
200 u32 ff_hwaddr;
201 struct urb *pxmit_urb[8];
202 dma_addr_t dma_transfer_addr;
203 u8 bpending[8];
204 int last[8];
205 };
206
207 struct xmit_frame {
208 struct list_head list;
209 struct pkt_attrib attrib;
210 struct sk_buff *pkt;
211 int frame_tag;
212 struct adapter *padapter;
213 u8 *buf_addr;
214 struct xmit_buf *pxmitbuf;
215
216 u8 agg_num;
217 s8 pkt_offset;
218 u8 ack_report;
219 };
220
221 struct tx_servq {
222 struct list_head tx_pending;
223 struct __queue sta_pending;
224 int qcnt;
225 };
226
227 struct sta_xmit_priv {
228 spinlock_t lock;
229 int option;
230 int apsd_setting;
231
232
233 struct tx_servq be_q;
234 struct tx_servq bk_q;
235 struct tx_servq vi_q;
236 struct tx_servq vo_q;
237 struct list_head legacy_dz;
238 struct list_head apsd;
239 u16 txseq_tid[16];
240 };
241
242 struct hw_txqueue {
243 volatile int head;
244 volatile int tail;
245 volatile int free_sz;
246 volatile int free_cmdsz;
247 volatile int txsz[8];
248 uint ff_hwaddr;
249 uint cmd_hwaddr;
250 int ac_tag;
251 };
252
253 struct xmit_priv {
254 spinlock_t lock;
255 struct __queue be_pending;
256 struct __queue bk_pending;
257 struct __queue vi_pending;
258 struct __queue vo_pending;
259 struct __queue bm_pending;
260 u8 *pallocated_frame_buf;
261 u8 *pxmit_frame_buf;
262 uint free_xmitframe_cnt;
263 struct __queue free_xmit_queue;
264 uint frag_len;
265 struct adapter *adapter;
266 u8 vcs_setting;
267 u8 vcs;
268 u8 vcs_type;
269 u64 tx_bytes;
270 u64 tx_pkts;
271 u64 tx_drop;
272 u64 last_tx_bytes;
273 u64 last_tx_pkts;
274 struct hw_xmit *hwxmits;
275 u8 hwxmit_entry;
276 u8 wmm_para_seq[4];
277
278
279
280 u8 txirp_cnt;
281 struct tasklet_struct xmit_tasklet;
282
283 int beq_cnt;
284 int bkq_cnt;
285 int viq_cnt;
286 int voq_cnt;
287 struct __queue free_xmitbuf_queue;
288 struct __queue pending_xmitbuf_queue;
289 u8 *pallocated_xmitbuf;
290 u8 *pxmitbuf;
291 uint free_xmitbuf_cnt;
292 struct __queue free_xmit_extbuf_queue;
293 u8 *pallocated_xmit_extbuf;
294 u8 *pxmit_extbuf;
295 uint free_xmit_extbuf_cnt;
296 u16 nqos_ssn;
297 int ack_tx;
298 struct mutex ack_tx_mutex;
299 struct submit_ctx ack_tx_ops;
300 };
301
302 struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv);
303 s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv,
304 struct xmit_buf *pxmitbuf);
305 struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv);
306 s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv,
307 struct xmit_buf *pxmitbuf);
308 void rtw_count_tx_stats(struct adapter *padapter,
309 struct xmit_frame *pxmitframe, int sz);
310 void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len);
311 s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr,
312 struct pkt_attrib *pattrib);
313 s32 rtw_put_snap(u8 *data, u16 h_proto);
314
315 struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv);
316 s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv,
317 struct xmit_frame *pxmitframe);
318 void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv,
319 struct __queue *pframequeue);
320 struct tx_servq *rtw_get_sta_pending(struct adapter *padapter,
321 struct sta_info *psta, int up, u8 *ac);
322 s32 rtw_xmitframe_enqueue(struct adapter *padapter,
323 struct xmit_frame *pxmitframe);
324 struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv,
325 struct hw_xmit *phwxmit_i, int entry);
326
327 s32 rtw_xmit_classifier(struct adapter *padapter,
328 struct xmit_frame *pxmitframe);
329 s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt,
330 struct xmit_frame *pxmitframe);
331 s32 _rtw_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag);
332 void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv);
333 s32 rtw_txframes_pending(struct adapter *padapter);
334 s32 rtw_txframes_sta_ac_pending(struct adapter *padapter,
335 struct pkt_attrib *pattrib);
336 void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry);
337 s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter);
338 void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv);
339 s32 rtw_alloc_hwxmits(struct adapter *padapter);
340 void rtw_free_hwxmits(struct adapter *padapter);
341 s32 rtw_xmit(struct adapter *padapter, struct sk_buff **pkt);
342
343 #if defined(CONFIG_88EU_AP_MODE)
344 int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe);
345 void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta);
346 void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta);
347 void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta);
348 #endif
349
350 u8 qos_acm(u8 acm_mask, u8 priority);
351 u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe);
352 int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms);
353 void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status);
354
355
356 #include <xmit_osdep.h>
357
358 #endif