1
2
3
4#ifndef _RTW_XMIT_H_
5#define _RTW_XMIT_H_
6
7#include "osdep_service.h"
8#include "drv_types.h"
9
10#define MAX_XMITBUF_SZ (20480)
11#define NR_XMITBUFF (4)
12
13#define XMITBUF_ALIGN_SZ 4
14
15
16#define MAX_XMIT_EXTBUF_SZ (1536)
17#define NR_XMIT_EXTBUFF (32)
18
19#define MAX_NUMBLKS (1)
20
21#define XMIT_VO_QUEUE (0)
22#define XMIT_VI_QUEUE (1)
23#define XMIT_BE_QUEUE (2)
24#define XMIT_BK_QUEUE (3)
25
26#define VO_QUEUE_INX 0
27#define VI_QUEUE_INX 1
28#define BE_QUEUE_INX 2
29#define BK_QUEUE_INX 3
30#define BCN_QUEUE_INX 4
31#define MGT_QUEUE_INX 5
32#define HIGH_QUEUE_INX 6
33#define TXCMD_QUEUE_INX 7
34
35#define HW_QUEUE_ENTRY 8
36
37#define WEP_IV(pattrib_iv, dot11txpn, keyidx)\
38do {\
39 pattrib_iv[0] = dot11txpn._byte_.TSC0;\
40 pattrib_iv[1] = dot11txpn._byte_.TSC1;\
41 pattrib_iv[2] = dot11txpn._byte_.TSC2;\
42 pattrib_iv[3] = ((keyidx & 0x3)<<6);\
43 dot11txpn.val = (dot11txpn.val == 0xffffff) ? 0 : (dot11txpn.val+1);\
44} while (0)
45
46#define TKIP_IV(pattrib_iv, dot11txpn, keyidx)\
47do {\
48 pattrib_iv[0] = dot11txpn._byte_.TSC1;\
49 pattrib_iv[1] = (dot11txpn._byte_.TSC1 | 0x20) & 0x7f;\
50 pattrib_iv[2] = dot11txpn._byte_.TSC0;\
51 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
52 pattrib_iv[4] = dot11txpn._byte_.TSC2;\
53 pattrib_iv[5] = dot11txpn._byte_.TSC3;\
54 pattrib_iv[6] = dot11txpn._byte_.TSC4;\
55 pattrib_iv[7] = dot11txpn._byte_.TSC5;\
56 dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0 : (dot11txpn.val+1);\
57} while (0)
58
59#define AES_IV(pattrib_iv, dot11txpn, keyidx)\
60do { \
61 pattrib_iv[0] = dot11txpn._byte_.TSC0; \
62 pattrib_iv[1] = dot11txpn._byte_.TSC1; \
63 pattrib_iv[2] = 0; \
64 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6); \
65 pattrib_iv[4] = dot11txpn._byte_.TSC2; \
66 pattrib_iv[5] = dot11txpn._byte_.TSC3; \
67 pattrib_iv[6] = dot11txpn._byte_.TSC4; \
68 pattrib_iv[7] = dot11txpn._byte_.TSC5; \
69 dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0 : (dot11txpn.val+1);\
70} while (0)
71
72#define HWXMIT_ENTRY 4
73
74#define TXDESC_SIZE 32
75
76#define PACKET_OFFSET_SZ (8)
77#define TXDESC_OFFSET (TXDESC_SIZE + PACKET_OFFSET_SZ)
78
79struct tx_desc {
80
81 __le32 txdw0;
82 __le32 txdw1;
83 __le32 txdw2;
84 __le32 txdw3;
85 __le32 txdw4;
86 __le32 txdw5;
87 __le32 txdw6;
88 __le32 txdw7;
89};
90
91union txdesc {
92 struct tx_desc txdesc;
93 unsigned int value[TXDESC_SIZE>>2];
94};
95
96struct hw_xmit {
97 struct __queue *sta_queue;
98 int accnt;
99};
100
101
102struct pkt_attrib {
103 u8 type;
104 u8 subtype;
105 u8 bswenc;
106 u8 dhcp_pkt;
107 u16 ether_type;
108 u16 seqnum;
109 u16 pkt_hdrlen;
110 u16 hdrlen;
111 u32 pktlen;
112
113 u32 last_txcmdsz;
114 u8 nr_frags;
115 u8 encrypt;
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] __aligned(2);
126 u8 src[ETH_ALEN] __aligned(2);
127 u8 ta[ETH_ALEN] __aligned(2);
128 u8 ra[ETH_ALEN] __aligned(2);
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
163struct submit_ctx {
164 u32 submit_time;
165 u32 timeout_ms;
166 int status;
167 struct completion done;
168};
169
170enum {
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
185void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms);
186int rtw_sctx_wait(struct submit_ctx *sctx);
187void rtw_sctx_done_err(struct submit_ctx **sctx, int status);
188
189struct 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;
202 dma_addr_t dma_transfer_addr;
203 u8 bpending[8];
204 int last[8];
205};
206
207struct 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
221struct tx_servq {
222 struct list_head tx_pending;
223 struct __queue sta_pending;
224 int qcnt;
225};
226
227struct sta_xmit_priv {
228 spinlock_t lock;
229 int option;
230 int apsd_setting;
231
232 struct tx_servq be_q;
233 struct tx_servq bk_q;
234 struct tx_servq vi_q;
235 struct tx_servq vo_q;
236 struct list_head legacy_dz;
237 struct list_head apsd;
238 u16 txseq_tid[16];
239};
240
241struct hw_txqueue {
242 volatile int head;
243 volatile int tail;
244 volatile int free_sz;
245 volatile int free_cmdsz;
246 volatile int txsz[8];
247 uint ff_hwaddr;
248 uint cmd_hwaddr;
249 int ac_tag;
250};
251
252struct agg_pkt_info {
253 u16 offset;
254 u16 pkt_len;
255};
256
257struct xmit_priv {
258 spinlock_t lock;
259 struct semaphore terminate_xmitthread_sema;
260 struct __queue be_pending;
261 struct __queue bk_pending;
262 struct __queue vi_pending;
263 struct __queue vo_pending;
264 struct __queue bm_pending;
265 u8 *pallocated_frame_buf;
266 u8 *pxmit_frame_buf;
267 uint free_xmitframe_cnt;
268 struct __queue free_xmit_queue;
269 uint frag_len;
270 struct adapter *adapter;
271 u8 vcs_setting;
272 u8 vcs;
273 u8 vcs_type;
274 u64 tx_bytes;
275 u64 tx_pkts;
276 u64 tx_drop;
277 u64 last_tx_bytes;
278 u64 last_tx_pkts;
279 struct hw_xmit *hwxmits;
280 u8 hwxmit_entry;
281 u8 wmm_para_seq[4];
282
283
284 struct semaphore tx_retevt;
285 u8 txirp_cnt;
286 struct tasklet_struct xmit_tasklet;
287
288 int beq_cnt;
289 int bkq_cnt;
290 int viq_cnt;
291 int voq_cnt;
292 struct __queue free_xmitbuf_queue;
293 struct __queue pending_xmitbuf_queue;
294 u8 *pallocated_xmitbuf;
295 u8 *pxmitbuf;
296 uint free_xmitbuf_cnt;
297 struct __queue free_xmit_extbuf_queue;
298 u8 *pallocated_xmit_extbuf;
299 u8 *pxmit_extbuf;
300 uint free_xmit_extbuf_cnt;
301 u16 nqos_ssn;
302 int ack_tx;
303 struct mutex ack_tx_mutex;
304 struct submit_ctx ack_tx_ops;
305};
306
307struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv);
308s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv,
309 struct xmit_buf *pxmitbuf);
310struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv);
311s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv,
312 struct xmit_buf *pxmitbuf);
313void rtw_count_tx_stats(struct adapter *padapter,
314 struct xmit_frame *pxmitframe, int sz);
315void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len);
316s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr,
317 struct pkt_attrib *pattrib);
318s32 rtw_put_snap(u8 *data, u16 h_proto);
319
320struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv);
321s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv,
322 struct xmit_frame *pxmitframe);
323void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv,
324 struct __queue *pframequeue);
325struct tx_servq *rtw_get_sta_pending(struct adapter *padapter,
326 struct sta_info *psta, int up, u8 *ac);
327s32 rtw_xmitframe_enqueue(struct adapter *padapter,
328 struct xmit_frame *pxmitframe);
329struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv,
330 struct hw_xmit *phwxmit_i, int entry);
331
332s32 rtw_xmit_classifier(struct adapter *padapter,
333 struct xmit_frame *pxmitframe);
334s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt,
335 struct xmit_frame *pxmitframe);
336s32 _rtw_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag);
337void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv);
338s32 rtw_txframes_pending(struct adapter *padapter);
339s32 rtw_txframes_sta_ac_pending(struct adapter *padapter,
340 struct pkt_attrib *pattrib);
341void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry);
342s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter);
343void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv);
344int rtw_alloc_hwxmits(struct adapter *padapter);
345void rtw_free_hwxmits(struct adapter *padapter);
346s32 rtw_xmit(struct adapter *padapter, struct sk_buff **pkt);
347
348int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe);
349void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta);
350void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta);
351void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta);
352
353u8 qos_acm(u8 acm_mask, u8 priority);
354u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe);
355int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms);
356void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status);
357
358
359#include "xmit_osdep.h"
360
361#endif
362