1 /****************************************************************************** 2 * 3 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 17 * 18 * Modifications for inclusion into the Linux staging tree are 19 * Copyright(c) 2010 Larry Finger. All rights reserved. 20 * 21 * Contact information: 22 * WLAN FAE <wlanfae@realtek.com> 23 * Larry Finger <Larry.Finger@lwfinger.net> 24 * 25 ******************************************************************************/ 26 #ifndef _RTL871X_XMIT_H_ 27 #define _RTL871X_XMIT_H_ 28 29 #include "osdep_service.h" 30 #include "drv_types.h" 31 #include "xmit_osdep.h" 32 33 #ifdef CONFIG_R8712_TX_AGGR 34 #define MAX_XMITBUF_SZ (16384) 35 #else 36 #define MAX_XMITBUF_SZ (2048) 37 #endif 38 39 #define NR_XMITBUFF (4) 40 41 #ifdef CONFIG_R8712_TX_AGGR 42 #define AGGR_NR_HIGH_BOUND (4) /*(8) */ 43 #define AGGR_NR_LOW_BOUND (2) 44 #endif 45 46 #define XMITBUF_ALIGN_SZ 512 47 #define TX_GUARD_BAND 5 48 #define MAX_NUMBLKS (1) 49 50 /* Fixed the Big Endian bug when using the software driver encryption.*/ 51 #define WEP_IV(pattrib_iv, txpn, keyidx)\ 52 do { \ 53 pattrib_iv[0] = txpn._byte_.TSC0;\ 54 pattrib_iv[1] = txpn._byte_.TSC1;\ 55 pattrib_iv[2] = txpn._byte_.TSC2;\ 56 pattrib_iv[3] = ((keyidx & 0x3)<<6);\ 57 txpn.val = (txpn.val == 0xffffff) ? 0 : (txpn.val+1);\ 58 } while (0) 59 60 /* Fixed the Big Endian bug when doing the Tx. 61 * The Linksys WRH54G will check this. 62 */ 63 #define TKIP_IV(pattrib_iv, txpn, keyidx)\ 64 do { \ 65 pattrib_iv[0] = txpn._byte_.TSC1;\ 66 pattrib_iv[1] = (txpn._byte_.TSC1 | 0x20) & 0x7f;\ 67 pattrib_iv[2] = txpn._byte_.TSC0;\ 68 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\ 69 pattrib_iv[4] = txpn._byte_.TSC2;\ 70 pattrib_iv[5] = txpn._byte_.TSC3;\ 71 pattrib_iv[6] = txpn._byte_.TSC4;\ 72 pattrib_iv[7] = txpn._byte_.TSC5;\ 73 txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \ 74 (txpn.val+1);\ 75 } while (0) 76 77 #define AES_IV(pattrib_iv, txpn, keyidx)\ 78 do { \ 79 pattrib_iv[0] = txpn._byte_.TSC0;\ 80 pattrib_iv[1] = txpn._byte_.TSC1;\ 81 pattrib_iv[2] = 0;\ 82 pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\ 83 pattrib_iv[4] = txpn._byte_.TSC2;\ 84 pattrib_iv[5] = txpn._byte_.TSC3;\ 85 pattrib_iv[6] = txpn._byte_.TSC4;\ 86 pattrib_iv[7] = txpn._byte_.TSC5;\ 87 txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \ 88 (txpn.val+1);\ 89 } while (0) 90 91 struct hw_xmit { 92 spinlock_t xmit_lock; 93 struct list_head pending; 94 struct __queue *sta_queue; 95 struct hw_txqueue *phwtxqueue; 96 sint txcmdcnt; 97 int accnt; 98 }; 99 100 struct pkt_attrib { 101 u8 type; 102 u8 subtype; 103 u8 bswenc; 104 u8 dhcp_pkt; 105 106 u16 seqnum; 107 u16 ether_type; 108 u16 pktlen; /* the original 802.3 pkt raw_data len 109 * (not include ether_hdr data) 110 */ 111 u16 last_txcmdsz; 112 113 u8 pkt_hdrlen; /*the original 802.3 pkt header len*/ 114 u8 hdrlen; /*the WLAN Header Len*/ 115 u8 nr_frags; 116 u8 ack_policy; 117 u8 mac_id; 118 u8 vcs_mode; /*virtual carrier sense method*/ 119 u8 pctrl;/*per packet txdesc control enable*/ 120 u8 qsel; 121 122 u8 priority; 123 u8 encrypt; /* when 0 indicate no encrypt. when non-zero, 124 * indicate the encrypt algorithm 125 */ 126 u8 iv_len; 127 u8 icv_len; 128 unsigned char iv[8]; 129 unsigned char icv[8]; 130 u8 dst[ETH_ALEN]; 131 u8 src[ETH_ALEN]; 132 u8 ta[ETH_ALEN]; 133 u8 ra[ETH_ALEN]; 134 struct sta_info *psta; 135 }; 136 137 #define WLANHDR_OFFSET 64 138 #define DATA_FRAMETAG 0x01 139 #define L2_FRAMETAG 0x02 140 #define MGNT_FRAMETAG 0x03 141 #define AMSDU_FRAMETAG 0x04 142 #define EII_FRAMETAG 0x05 143 #define IEEE8023_FRAMETAG 0x06 144 #define MP_FRAMETAG 0x07 145 #define TXAGG_FRAMETAG 0x08 146 147 struct xmit_buf { 148 struct list_head list; 149 150 u8 *pallocated_buf; 151 u8 *pbuf; 152 void *priv_data; 153 struct urb *pxmit_urb[8]; 154 u32 aggr_nr; 155 }; 156 157 struct xmit_frame { 158 struct list_head list; 159 struct pkt_attrib attrib; 160 _pkt *pkt; 161 int frame_tag; 162 struct _adapter *padapter; 163 u8 *buf_addr; 164 struct xmit_buf *pxmitbuf; 165 u8 *mem_addr; 166 u16 sz[8]; 167 struct urb *pxmit_urb[8]; 168 u8 bpending[8]; 169 u8 last[8]; 170 }; 171 172 struct tx_servq { 173 struct list_head tx_pending; 174 struct __queue sta_pending; 175 int qcnt; 176 }; 177 178 struct sta_xmit_priv { 179 spinlock_t lock; 180 sint option; 181 sint apsd_setting; /* When bit mask is on, the associated edca 182 * queue supports APSD. 183 */ 184 struct tx_servq be_q; /* priority == 0,3 */ 185 struct tx_servq bk_q; /* priority == 1,2*/ 186 struct tx_servq vi_q; /*priority == 4,5*/ 187 struct tx_servq vo_q; /*priority == 6,7*/ 188 struct list_head legacy_dz; 189 struct list_head apsd; 190 u16 txseq_tid[16]; 191 uint sta_tx_bytes; 192 u64 sta_tx_pkts; 193 uint sta_tx_fail; 194 }; 195 196 struct hw_txqueue { 197 /*volatile*/ sint head; 198 /*volatile*/ sint tail; 199 /*volatile*/ sint free_sz; /*in units of 64 bytes*/ 200 /*volatile*/ sint free_cmdsz; 201 /*volatile*/ sint txsz[8]; 202 uint ff_hwaddr; 203 uint cmd_hwaddr; 204 sint ac_tag; 205 }; 206 207 struct xmit_priv { 208 spinlock_t lock; 209 struct __queue be_pending; 210 struct __queue bk_pending; 211 struct __queue vi_pending; 212 struct __queue vo_pending; 213 struct __queue bm_pending; 214 struct __queue legacy_dz_queue; 215 struct __queue apsd_queue; 216 u8 *pallocated_frame_buf; 217 u8 *pxmit_frame_buf; 218 uint free_xmitframe_cnt; 219 uint mapping_addr; 220 uint pkt_sz; 221 struct __queue free_xmit_queue; 222 struct hw_txqueue be_txqueue; 223 struct hw_txqueue bk_txqueue; 224 struct hw_txqueue vi_txqueue; 225 struct hw_txqueue vo_txqueue; 226 struct hw_txqueue bmc_txqueue; 227 uint frag_len; 228 struct _adapter *adapter; 229 u8 vcs_setting; 230 u8 vcs; 231 u8 vcs_type; 232 u16 rts_thresh; 233 uint tx_bytes; 234 u64 tx_pkts; 235 uint tx_drop; 236 struct hw_xmit *hwxmits; 237 u8 hwxmit_entry; 238 u8 txirp_cnt; 239 struct tasklet_struct xmit_tasklet; 240 struct work_struct xmit_pipe4_reset_wi; 241 struct work_struct xmit_pipe6_reset_wi; 242 struct work_struct xmit_piped_reset_wi; 243 /*per AC pending irp*/ 244 int beq_cnt; 245 int bkq_cnt; 246 int viq_cnt; 247 int voq_cnt; 248 struct __queue free_amsdu_xmit_queue; 249 u8 *pallocated_amsdu_frame_buf; 250 u8 *pxmit_amsdu_frame_buf; 251 uint free_amsdu_xmitframe_cnt; 252 struct __queue free_txagg_xmit_queue; 253 u8 *pallocated_txagg_frame_buf; 254 u8 *pxmit_txagg_frame_buf; 255 uint free_txagg_xmitframe_cnt; 256 int cmdseq; 257 struct __queue free_xmitbuf_queue; 258 struct __queue pending_xmitbuf_queue; 259 u8 *pallocated_xmitbuf; 260 u8 *pxmitbuf; 261 uint free_xmitbuf_cnt; 262 }; 263 264 int r8712_free_xmitbuf(struct xmit_priv *pxmitpriv, 265 struct xmit_buf *pxmitbuf); 266 struct xmit_buf *r8712_alloc_xmitbuf(struct xmit_priv *pxmitpriv); 267 void r8712_update_protection(struct _adapter *padapter, u8 *ie, uint ie_len); 268 struct xmit_frame *r8712_alloc_xmitframe(struct xmit_priv *pxmitpriv); 269 void r8712_free_xmitframe(struct xmit_priv *pxmitpriv, 270 struct xmit_frame *pxmitframe); 271 void r8712_free_xmitframe_queue(struct xmit_priv *pxmitpriv, 272 struct __queue *pframequeue); 273 sint r8712_xmit_classifier(struct _adapter *padapter, 274 struct xmit_frame *pxmitframe); 275 sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt, 276 struct xmit_frame *pxmitframe); 277 sint _r8712_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag); 278 void _r8712_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv); 279 sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt, 280 struct pkt_attrib *pattrib); 281 int r8712_txframes_sta_ac_pending(struct _adapter *padapter, 282 struct pkt_attrib *pattrib); 283 sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv, 284 struct _adapter *padapter); 285 void _free_xmit_priv(struct xmit_priv *pxmitpriv); 286 void r8712_free_xmitframe_ex(struct xmit_priv *pxmitpriv, 287 struct xmit_frame *pxmitframe); 288 int r8712_pre_xmit(struct _adapter *padapter, struct xmit_frame *pxmitframe); 289 int r8712_xmit_enqueue(struct _adapter *padapter, 290 struct xmit_frame *pxmitframe); 291 int r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe); 292 void r8712_xmit_bh(void *priv); 293 294 void xmitframe_xmitbuf_attach(struct xmit_frame *pxmitframe, 295 struct xmit_buf *pxmitbuf); 296 297 #include "rtl8712_xmit.h" 298 299 #endif /*_RTL871X_XMIT_H_*/ 300 301
