1 /* SPDX-License-Identifier: GPL-2.0 */
2 /******************************************************************************
4 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
6 ******************************************************************************/
10 #include <linux/completion.h>
12 #define MAX_XMITBUF_SZ (20480) /* 20k */
14 #define NR_XMITBUFF (16)
16 #define XMITBUF_ALIGN_SZ 512
18 /* xmit extension buff defination */
19 #define MAX_XMIT_EXTBUF_SZ (1536)
20 #define NR_XMIT_EXTBUFF (32)
22 #define MAX_CMDBUF_SZ (5120) /* 4096) */
24 #define MAX_NUMBLKS (1)
26 #define XMIT_VO_QUEUE (0)
27 #define XMIT_VI_QUEUE (1)
28 #define XMIT_BE_QUEUE (2)
29 #define XMIT_BK_QUEUE (3)
31 #define VO_QUEUE_INX 0
32 #define VI_QUEUE_INX 1
33 #define BE_QUEUE_INX 2
34 #define BK_QUEUE_INX 3
35 #define BCN_QUEUE_INX 4
36 #define MGT_QUEUE_INX 5
37 #define HIGH_QUEUE_INX 6
38 #define TXCMD_QUEUE_INX 7
40 #define HW_QUEUE_ENTRY 8
42 #define WEP_IV(pattrib_iv, dot11txpn, keyidx)\
44 pattrib_iv[0] = dot11txpn._byte_.TSC0;\
45 pattrib_iv[1] = dot11txpn._byte_.TSC1;\
46 pattrib_iv[2] = dot11txpn._byte_.TSC2;\
47 pattrib_iv[3] = ((keyidx & 0x3)<<6);\
48 dot11txpn.val = (dot11txpn.val == 0xffffff) ? 0 : (dot11txpn.val + 1);\
52 #define TKIP_IV(pattrib_iv, dot11txpn, keyidx)\
54 pattrib_iv[0] = dot11txpn._byte_.TSC1;\
55 pattrib_iv[1] = (dot11txpn._byte_.TSC1 | 0x20) & 0x7f;\
56 pattrib_iv[2] = dot11txpn._byte_.TSC0;\
57 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
58 pattrib_iv[4] = dot11txpn._byte_.TSC2;\
59 pattrib_iv[5] = dot11txpn._byte_.TSC3;\
60 pattrib_iv[6] = dot11txpn._byte_.TSC4;\
61 pattrib_iv[7] = dot11txpn._byte_.TSC5;\
62 dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0 : (dot11txpn.val + 1);\
65 #define AES_IV(pattrib_iv, dot11txpn, keyidx)\
67 pattrib_iv[0] = dot11txpn._byte_.TSC0;\
68 pattrib_iv[1] = dot11txpn._byte_.TSC1;\
70 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
71 pattrib_iv[4] = dot11txpn._byte_.TSC2;\
72 pattrib_iv[5] = dot11txpn._byte_.TSC3;\
73 pattrib_iv[6] = dot11txpn._byte_.TSC4;\
74 pattrib_iv[7] = dot11txpn._byte_.TSC5;\
75 dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0 : (dot11txpn.val + 1);\
79 #define HWXMIT_ENTRY 4
81 /* For Buffer Descriptor ring architecture */
82 #define TXDESC_SIZE 40
84 #define TXDESC_OFFSET TXDESC_SIZE
86 #define TXDESC_40_BYTES
98 #if defined(TXDESC_40_BYTES) || defined(TXDESC_64_BYTES)
101 #endif /* TXDESC_40_BYTES */
103 #ifdef TXDESC_64_BYTES
107 /* 2008/05/15 MH Because PCIE HW memory R/W 4K limit. And now, our descriptor */
108 /* size is 40 bytes. If you use more than 102 descriptor(103*40>4096), HW will execute */
109 /* memoryR/W CRC error. And then all DMA fetch will fail. We must decrease descriptor */
110 /* number or enlarge descriptor size as 64 bytes. */
119 struct tx_desc txdesc;
120 unsigned int value[TXDESC_SIZE>>2];
124 /* spinlock_t xmit_lock; */
125 /* struct list_head pending; */
126 struct __queue *sta_queue;
127 /* struct hw_txqueue *phwtxqueue; */
128 /* signed int txcmdcnt; */
140 u16 pkt_hdrlen; /* the original 802.3 pkt header len */
141 u16 hdrlen; /* the WLAN Header Len */
142 u32 pktlen; /* the original 802.3 pkt raw_data len (not include ether_hdr data) */
145 u8 encrypt; /* when 0 indicates no encryption; when non-zero, indicates the encryption algorithm */
153 u8 vcs_mode; /* virtual carrier sense method */
161 u8 raid;/* rate adpative id */
163 u8 ch_offset;/* PRIME_CHNL_OFFSET */
164 u8 sgi;/* short GI */
165 u8 ampdu_en;/* tx ampdu enable */
166 u8 ampdu_spacing; /* ampdu_min_spacing for peer sta's rx */
167 u8 mdata;/* more data bit */
168 u8 pctrl;/* per packet txdesc control enable */
169 u8 triggered;/* for ap mode handling Power Saving sta */
171 u8 order;/* order bit */
179 struct sta_info *psta;
183 union Keytype dot11tkiptxmickey;
184 /* union Keytype dot11tkiprxmickey; */
185 union Keytype dot118021x_UncstKey;
191 #define WLANHDR_OFFSET 64
193 #define NULL_FRAMETAG (0x0)
194 #define DATA_FRAMETAG 0x01
195 #define L2_FRAMETAG 0x02
196 #define MGNT_FRAMETAG 0x03
197 #define AMSDU_FRAMETAG 0x04
199 #define EII_FRAMETAG 0x05
200 #define IEEE8023_FRAMETAG 0x06
202 #define MP_FRAMETAG 0x07
204 #define TXAGG_FRAMETAG 0x08
213 unsigned long submit_time; /* */
214 u32 timeout_ms; /* <0: not synchronous, 0: wait forever, >0: up to ms waiting */
215 int status; /* status for operation */
216 struct completion done;
220 RTW_SCTX_SUBMITTED = -1,
221 RTW_SCTX_DONE_SUCCESS = 0,
222 RTW_SCTX_DONE_UNKNOWN,
223 RTW_SCTX_DONE_TIMEOUT,
224 RTW_SCTX_DONE_BUF_ALLOC,
225 RTW_SCTX_DONE_BUF_FREE,
226 RTW_SCTX_DONE_WRITE_PORT_ERR,
227 RTW_SCTX_DONE_TX_DESC_NA,
228 RTW_SCTX_DONE_TX_DENY,
229 RTW_SCTX_DONE_CCX_PKT_FAIL,
230 RTW_SCTX_DONE_DRV_STOP,
231 RTW_SCTX_DONE_DEV_REMOVE,
232 RTW_SCTX_DONE_CMD_ERROR,
236 void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms);
237 int rtw_sctx_wait(struct submit_ctx *sctx);
238 void rtw_sctx_done_err(struct submit_ctx **sctx, int status);
239 void rtw_sctx_done(struct submit_ctx **sctx);
242 struct list_head list;
244 struct adapter *padapter;
252 u16 buf_tag; /* 0: Normal xmitbuf, 1: extension xmitbuf, 2:cmd xmitbuf */
258 struct submit_ctx *sctx;
268 #if defined(DBG_XMIT_BUF) || defined(DBG_XMIT_BUF_EXT)
276 struct list_head list;
278 struct pkt_attrib attrib;
284 struct adapter *padapter;
288 struct xmit_buf *pxmitbuf;
295 u8 *alloc_addr; /* the actual address this xmitframe allocated */
296 u8 ext_tag; /* 0:data, 1:mgmt */
301 struct list_head tx_pending;
302 struct __queue sta_pending;
307 struct sta_xmit_priv {
310 signed int apsd_setting; /* When bit mask is on, the associated edca queue supports APSD. */
313 /* struct tx_servq blk_q[MAX_NUMBLKS]; */
314 struct tx_servq be_q; /* priority == 0, 3 */
315 struct tx_servq bk_q; /* priority == 1, 2 */
316 struct tx_servq vi_q; /* priority == 4, 5 */
317 struct tx_servq vo_q; /* priority == 6, 7 */
318 struct list_head legacy_dz;
319 struct list_head apsd;
323 /* uint sta_tx_bytes; */
324 /* u64 sta_tx_pkts; */
325 /* uint sta_tx_fail; */
332 volatile signed int head;
333 volatile signed int tail;
334 volatile signed int free_sz; /* in units of 64 bytes */
335 volatile signed int free_cmdsz;
336 volatile signed int txsz[8];
343 CMDBUF_BEACON = 0x00,
352 struct completion xmit_comp;
353 struct completion terminate_xmitthread_comp;
355 /* struct __queue blk_strms[MAX_NUMBLKS]; */
356 struct __queue be_pending;
357 struct __queue bk_pending;
358 struct __queue vi_pending;
359 struct __queue vo_pending;
360 struct __queue bm_pending;
362 /* struct __queue legacy_dz_queue; */
363 /* struct __queue apsd_queue; */
365 u8 *pallocated_frame_buf;
367 uint free_xmitframe_cnt;
368 struct __queue free_xmit_queue;
370 /* uint mapping_addr; */
373 u8 *xframe_ext_alloc_addr;
375 uint free_xframe_ext_cnt;
376 struct __queue free_xframe_ext_queue;
378 /* struct hw_txqueue be_txqueue; */
379 /* struct hw_txqueue bk_txqueue; */
380 /* struct hw_txqueue vi_txqueue; */
381 /* struct hw_txqueue vo_txqueue; */
382 /* struct hw_txqueue bmc_txqueue; */
386 struct adapter *adapter;
391 /* u16 rts_thresh; */
398 struct hw_xmit *hwxmits;
401 u8 wmm_para_seq[4];/* sequence for wmm ac parameter strength from large to small. it's value is 0->vo, 1->vi, 2->be, 3->bk. */
403 void *SdioXmitThread;
404 struct completion SdioXmitStart;
405 struct completion SdioXmitTerminate;
407 struct __queue free_xmitbuf_queue;
408 struct __queue pending_xmitbuf_queue;
409 u8 *pallocated_xmitbuf;
411 uint free_xmitbuf_cnt;
413 struct __queue free_xmit_extbuf_queue;
414 u8 *pallocated_xmit_extbuf;
416 uint free_xmit_extbuf_cnt;
418 struct xmit_buf pcmd_xmitbuf[CMDBUF_MAX];
423 struct mutex ack_tx_mutex;
424 struct submit_ctx ack_tx_ops;
426 spinlock_t lock_sctx;
429 extern struct xmit_frame *__rtw_alloc_cmdxmitframe(struct xmit_priv *pxmitpriv,
430 enum cmdbuf_type buf_type);
431 #define rtw_alloc_cmdxmitframe(p) __rtw_alloc_cmdxmitframe(p, CMDBUF_RSVD)
432 #define rtw_alloc_bcnxmitframe(p) __rtw_alloc_cmdxmitframe(p, CMDBUF_BEACON)
434 extern struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv);
435 extern s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
437 extern struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv);
438 extern s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
440 void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz);
441 extern void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len);
442 extern s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattrib);
443 extern s32 rtw_put_snap(u8 *data, u16 h_proto);
445 extern struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv);
446 struct xmit_frame *rtw_alloc_xmitframe_ext(struct xmit_priv *pxmitpriv);
447 struct xmit_frame *rtw_alloc_xmitframe_once(struct xmit_priv *pxmitpriv);
448 extern s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe);
449 extern void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue);
450 struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, signed int up, u8 *ac);
451 extern s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe);
453 extern s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe);
454 extern u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib);
455 #define rtw_wlan_pkt_size(f) rtw_calculate_wlan_pkt_size_by_attribue(&f->attrib)
456 extern s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct xmit_frame *pxmitframe);
457 extern s32 rtw_mgmt_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct xmit_frame *pxmitframe);
458 s32 _rtw_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag);
459 void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv);
462 s32 rtw_txframes_pending(struct adapter *padapter);
463 void rtw_init_hwxmits(struct hw_xmit *phwxmit, signed int entry);
466 s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter);
467 void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv);
470 s32 rtw_alloc_hwxmits(struct adapter *padapter);
471 void rtw_free_hwxmits(struct adapter *padapter);
474 s32 rtw_xmit(struct adapter *padapter, struct sk_buff **pkt);
475 bool xmitframe_hiq_filter(struct xmit_frame *xmitframe);
477 signed int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe);
478 void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta);
479 void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta);
480 void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta);
482 u8 query_ra_short_GI(struct sta_info *psta);
484 u8 qos_acm(u8 acm_mask, u8 priority);
486 void enqueue_pending_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
487 void enqueue_pending_xmitbuf_to_head(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
488 struct xmit_buf *dequeue_pending_xmitbuf(struct xmit_priv *pxmitpriv);
489 struct xmit_buf *dequeue_pending_xmitbuf_under_survey(struct xmit_priv *pxmitpriv);
490 signed int check_pending_xmitbuf(struct xmit_priv *pxmitpriv);
491 int rtw_xmit_thread(void *context);
493 u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe);
495 int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms);
496 void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status);
498 /* include after declaring struct xmit_buf, in order to avoid warning */
499 #include <xmit_osdep.h>
501 #endif /* _RTL871X_XMIT_H_ */