1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /****************************************************************************** 3 * 4 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. 5 * 6 * Modifications for inclusion into the Linux staging tree are 7 * Copyright(c) 2010 Larry Finger. All rights reserved. 8 * 9 * Contact information: 10 * WLAN FAE <wlanfae@realtek.com> 11 * Larry Finger <Larry.Finger@lwfinger.net> 12 * 13 ******************************************************************************/ 14 #ifndef _RTL871X_XMIT_H_ 15 #define _RTL871X_XMIT_H_ 16 17 #include "osdep_service.h" 18 #include "drv_types.h" 19 #include "xmit_osdep.h" 20 21 #ifdef CONFIG_R8712_TX_AGGR 22 #define MAX_XMITBUF_SZ (16384) 23 #else 24 #define MAX_XMITBUF_SZ (2048) 25 #endif 26 27 #define NR_XMITBUFF (4) 28 29 #ifdef CONFIG_R8712_TX_AGGR 30 #define AGGR_NR_HIGH_BOUND (4) /*(8) */ 31 #define AGGR_NR_LOW_BOUND (2) 32 #endif 33 34 #define XMITBUF_ALIGN_SZ 512 35 #define TX_GUARD_BAND 5 36 #define MAX_NUMBLKS (1) 37 38 /* Fixed the Big Endian bug when using the software driver encryption.*/ 39 #define WEP_IV(pattrib_iv, txpn, keyidx)\ 40 do { \ 41 pattrib_iv[0] = txpn._byte_.TSC0;\ 42 pattrib_iv[1] = txpn._byte_.TSC1;\ 43 pattrib_iv[2] = txpn._byte_.TSC2;\ 44 pattrib_iv[3] = ((keyidx & 0x3) << 6);\ 45 txpn.val = (txpn.val == 0xffffff) ? 0 : (txpn.val+1);\ 46 } while (0) 47 48 /* Fixed the Big Endian bug when doing the Tx. 49 * The Linksys WRH54G will check this. 50 */ 51 #define TKIP_IV(pattrib_iv, txpn, keyidx)\ 52 do { \ 53 pattrib_iv[0] = txpn._byte_.TSC1;\ 54 pattrib_iv[1] = (txpn._byte_.TSC1 | 0x20) & 0x7f;\ 55 pattrib_iv[2] = txpn._byte_.TSC0;\ 56 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\ 57 pattrib_iv[4] = txpn._byte_.TSC2;\ 58 pattrib_iv[5] = txpn._byte_.TSC3;\ 59 pattrib_iv[6] = txpn._byte_.TSC4;\ 60 pattrib_iv[7] = txpn._byte_.TSC5;\ 61 txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \ 62 (txpn.val+1);\ 63 } while (0) 64 65 #define AES_IV(pattrib_iv, txpn, keyidx)\ 66 do { \ 67 pattrib_iv[0] = txpn._byte_.TSC0;\ 68 pattrib_iv[1] = txpn._byte_.TSC1;\ 69 pattrib_iv[2] = 0;\ 70 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\ 71 pattrib_iv[4] = txpn._byte_.TSC2;\ 72 pattrib_iv[5] = txpn._byte_.TSC3;\ 73 pattrib_iv[6] = txpn._byte_.TSC4;\ 74 pattrib_iv[7] = txpn._byte_.TSC5;\ 75 txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \ 76 (txpn.val+1);\ 77 } while (0) 78 79 struct hw_xmit { 80 spinlock_t xmit_lock; 81 struct list_head pending; 82 struct __queue *sta_queue; 83 struct hw_txqueue *phwtxqueue; 84 sint txcmdcnt; 85 int accnt; 86 }; 87 88 struct pkt_attrib { 89 u8 type; 90 u8 subtype; 91 u8 bswenc; 92 u8 dhcp_pkt; 93 94 u16 seqnum; 95 u16 ether_type; 96 u16 pktlen; /* the original 802.3 pkt raw_data len 97 * (not include ether_hdr data) 98 */ 99 u16 last_txcmdsz; 100 101 u8 pkt_hdrlen; /*the original 802.3 pkt header len*/ 102 u8 hdrlen; /*the WLAN Header Len*/ 103 u8 nr_frags; 104 u8 ack_policy; 105 u8 mac_id; 106 u8 vcs_mode; /*virtual carrier sense method*/ 107 u8 pctrl;/*per packet txdesc control enable*/ 108 u8 qsel; 109 110 u8 priority; 111 u8 encrypt; /* when 0 indicate no encrypt. when non-zero, 112 * indicate the encrypt algorithm 113 */ 114 u8 iv_len; 115 u8 icv_len; 116 unsigned char iv[8]; 117 unsigned char icv[8]; 118 u8 dst[ETH_ALEN] __aligned(2); /* for ether_addr_copy */ 119 u8 src[ETH_ALEN]; 120 u8 ta[ETH_ALEN]; 121 u8 ra[ETH_ALEN]; 122 struct sta_info *psta; 123 }; 124 125 #define WLANHDR_OFFSET 64 126 #define DATA_FRAMETAG 0x01 127 #define L2_FRAMETAG 0x02 128 #define MGNT_FRAMETAG 0x03 129 #define AMSDU_FRAMETAG 0x04 130 #define EII_FRAMETAG 0x05 131 #define IEEE8023_FRAMETAG 0x06 132 #define MP_FRAMETAG 0x07 133 #define TXAGG_FRAMETAG 0x08 134 135 struct xmit_buf { 136 struct list_head list; 137 138 u8 *pallocated_buf; 139 u8 *pbuf; 140 void *priv_data; 141 struct urb *pxmit_urb[8]; 142 u32 aggr_nr; 143 }; 144 145 struct xmit_frame { 146 struct list_head list; 147 struct pkt_attrib attrib; 148 _pkt *pkt; 149 int frame_tag; 150 struct _adapter *padapter; 151 u8 *buf_addr; 152 struct xmit_buf *pxmitbuf; 153 u8 *mem_addr; 154 u16 sz[8]; 155 struct urb *pxmit_urb[8]; 156 u8 bpending[8]; 157 u8 last[8]; 158 }; 159 160 struct tx_servq { 161 struct list_head tx_pending; 162 struct __queue sta_pending; 163 int qcnt; 164 }; 165 166 struct sta_xmit_priv { 167 spinlock_t lock; 168 sint option; 169 sint apsd_setting; /* When bit mask is on, the associated edca 170 * queue supports APSD. 171 */ 172 struct tx_servq be_q; /* priority == 0,3 */ 173 struct tx_servq bk_q; /* priority == 1,2*/ 174 struct tx_servq vi_q; /*priority == 4,5*/ 175 struct tx_servq vo_q; /*priority == 6,7*/ 176 struct list_head legacy_dz; 177 struct list_head apsd; 178 u16 txseq_tid[16]; 179 uint sta_tx_bytes; 180 u64 sta_tx_pkts; 181 uint sta_tx_fail; 182 }; 183 184 struct hw_txqueue { 185 /*volatile*/ sint head; 186 /*volatile*/ sint tail; 187 /*volatile*/ sint free_sz; /*in units of 64 bytes*/ 188 /*volatile*/ sint free_cmdsz; 189 /*volatile*/ sint txsz[8]; 190 uint ff_hwaddr; 191 uint cmd_hwaddr; 192 sint ac_tag; 193 }; 194 195 struct xmit_priv { 196 spinlock_t lock; 197 struct __queue be_pending; 198 struct __queue bk_pending; 199 struct __queue vi_pending; 200 struct __queue vo_pending; 201 struct __queue bm_pending; 202 struct __queue legacy_dz_queue; 203 struct __queue apsd_queue; 204 u8 *pallocated_frame_buf; 205 u8 *pxmit_frame_buf; 206 uint free_xmitframe_cnt; 207 uint mapping_addr; 208 uint pkt_sz; 209 struct __queue free_xmit_queue; 210 struct hw_txqueue be_txqueue; 211 struct hw_txqueue bk_txqueue; 212 struct hw_txqueue vi_txqueue; 213 struct hw_txqueue vo_txqueue; 214 struct hw_txqueue bmc_txqueue; 215 uint frag_len; 216 struct _adapter *adapter; 217 u8 vcs_setting; 218 u8 vcs; 219 u8 vcs_type; 220 u16 rts_thresh; 221 uint tx_bytes; 222 u64 tx_pkts; 223 uint tx_drop; 224 struct hw_xmit *hwxmits; 225 u8 hwxmit_entry; 226 u8 txirp_cnt; 227 struct tasklet_struct xmit_tasklet; 228 struct work_struct xmit_pipe4_reset_wi; 229 struct work_struct xmit_pipe6_reset_wi; 230 struct work_struct xmit_piped_reset_wi; 231 /*per AC pending irp*/ 232 int beq_cnt; 233 int bkq_cnt; 234 int viq_cnt; 235 int voq_cnt; 236 struct __queue free_amsdu_xmit_queue; 237 u8 *pallocated_amsdu_frame_buf; 238 u8 *pxmit_amsdu_frame_buf; 239 uint free_amsdu_xmitframe_cnt; 240 struct __queue free_txagg_xmit_queue; 241 u8 *pallocated_txagg_frame_buf; 242 u8 *pxmit_txagg_frame_buf; 243 uint free_txagg_xmitframe_cnt; 244 int cmdseq; 245 struct __queue free_xmitbuf_queue; 246 struct __queue pending_xmitbuf_queue; 247 u8 *pallocated_xmitbuf; 248 u8 *pxmitbuf; 249 uint free_xmitbuf_cnt; 250 }; 251 252 void r8712_free_xmitbuf(struct xmit_priv *pxmitpriv, 253 struct xmit_buf *pxmitbuf); 254 struct xmit_buf *r8712_alloc_xmitbuf(struct xmit_priv *pxmitpriv); 255 void r8712_update_protection(struct _adapter *padapter, u8 *ie, uint ie_len); 256 struct xmit_frame *r8712_alloc_xmitframe(struct xmit_priv *pxmitpriv); 257 void r8712_free_xmitframe(struct xmit_priv *pxmitpriv, 258 struct xmit_frame *pxmitframe); 259 void r8712_free_xmitframe_queue(struct xmit_priv *pxmitpriv, 260 struct __queue *pframequeue); 261 int r8712_xmit_classifier(struct _adapter *padapter, 262 struct xmit_frame *pxmitframe); 263 sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt, 264 struct xmit_frame *pxmitframe); 265 sint _r8712_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag); 266 void _r8712_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv); 267 int r8712_update_attrib(struct _adapter *padapter, _pkt *pkt, 268 struct pkt_attrib *pattrib); 269 int r8712_txframes_sta_ac_pending(struct _adapter *padapter, 270 struct pkt_attrib *pattrib); 271 int _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv, 272 struct _adapter *padapter); 273 void _free_xmit_priv(struct xmit_priv *pxmitpriv); 274 void r8712_free_xmitframe_ex(struct xmit_priv *pxmitpriv, 275 struct xmit_frame *pxmitframe); 276 int r8712_pre_xmit(struct _adapter *padapter, struct xmit_frame *pxmitframe); 277 int r8712_xmit_enqueue(struct _adapter *padapter, 278 struct xmit_frame *pxmitframe); 279 void r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe); 280 void r8712_xmit_bh(struct tasklet_struct *t); 281 282 void xmitframe_xmitbuf_attach(struct xmit_frame *pxmitframe, 283 struct xmit_buf *pxmitbuf); 284 285 #include "rtl8712_xmit.h" 286 287 #endif /*_RTL871X_XMIT_H_*/ 288 289