1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /****************************************************************************** 3 * 4 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. 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) /* 20k */ 14 #define NR_XMITBUFF (4) 15 16 #define XMITBUF_ALIGN_SZ 4 17 18 /* xmit extension buff defination */ 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 /* DWORD 0 */ 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 /* reduce size */ 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; /* the WLAN Header Len */ 109 u32 pktlen; /* the original 802.3 pkt raw_data len (not include 110 * ether_hdr data) 111 */ 112 u32 last_txcmdsz; 113 u8 nr_frags; 114 u8 encrypt; /* when 0 indicate no encrypt. when non-zero, 115 * indicate the encrypt algorith 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; /* virtual carrier sense method */ 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;/* rate adpative id */ 133 u8 bwmode; 134 u8 ch_offset;/* PRIME_CHNL_OFFSET */ 135 u8 sgi;/* short GI */ 136 u8 ampdu_en;/* tx ampdu enable */ 137 u8 mdata;/* more data bit */ 138 u8 pctrl;/* per packet txdesc control enable */ 139 u8 triggered;/* for ap mode handling Power Saving sta */ 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; /* <0: not synchronous, 0: wait forever, >0: up to ms waiting */ 166 int status; /* status for operation */ 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; /* 0: Normal xmitbuf, 1: extension xmitbuf. */ 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; /* (in) dma addr for transfer_buffer */ 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; /* When bit mask is on, the associated edca 231 * queue supports APSD. 232 */ 233 struct tx_servq be_q; /* priority == 0,3 */ 234 struct tx_servq bk_q; /* priority == 1,2 */ 235 struct tx_servq vi_q; /* priority == 4,5 */ 236 struct tx_servq vo_q; /* priority == 6,7 */ 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; /* in units of 64 bytes */ 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];/* sequence for wmm ac parameter strength 277 * from large to small. it's value is 0->vo, 278 * 1->vi, 2->be, 3->bk. 279 */ 280 u8 txirp_cnt;/* */ 281 struct tasklet_struct xmit_tasklet; 282 /* per AC pending irp */ 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 /* include after declaring struct xmit_buf, in order to avoid warning */ 356 #include <xmit_osdep.h> 357 358 #endif /* _RTL871X_XMIT_H_ */ 359