Ali Bahar | cf3e688 | 2011-09-04 03:14:04 +0800 | [diff] [blame] | 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 | ******************************************************************************/ |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 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 | |
Ali Bahar | 93c55dd | 2011-09-04 03:14:22 +0800 | [diff] [blame] | 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 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 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 | #define TKIP_IV(pattrib_iv, txpn, keyidx)\ |
| 63 | do { \ |
| 64 | pattrib_iv[0] = txpn._byte_.TSC1;\ |
| 65 | pattrib_iv[1] = (txpn._byte_.TSC1 | 0x20) & 0x7f;\ |
| 66 | pattrib_iv[2] = txpn._byte_.TSC0;\ |
| 67 | pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\ |
| 68 | pattrib_iv[4] = txpn._byte_.TSC2;\ |
| 69 | pattrib_iv[5] = txpn._byte_.TSC3;\ |
| 70 | pattrib_iv[6] = txpn._byte_.TSC4;\ |
| 71 | pattrib_iv[7] = txpn._byte_.TSC5;\ |
| 72 | txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \ |
| 73 | (txpn.val+1);\ |
| 74 | } while (0) |
| 75 | |
| 76 | #define AES_IV(pattrib_iv, txpn, keyidx)\ |
| 77 | do { \ |
| 78 | pattrib_iv[0] = txpn._byte_.TSC0;\ |
| 79 | pattrib_iv[1] = txpn._byte_.TSC1;\ |
| 80 | pattrib_iv[2] = 0;\ |
| 81 | pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\ |
| 82 | pattrib_iv[4] = txpn._byte_.TSC2;\ |
| 83 | pattrib_iv[5] = txpn._byte_.TSC3;\ |
| 84 | pattrib_iv[6] = txpn._byte_.TSC4;\ |
| 85 | pattrib_iv[7] = txpn._byte_.TSC5;\ |
| 86 | txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \ |
| 87 | (txpn.val+1);\ |
| 88 | } while (0) |
| 89 | |
| 90 | struct hw_xmit { |
| 91 | spinlock_t xmit_lock; |
| 92 | struct list_head pending; |
| 93 | struct __queue *sta_queue; |
| 94 | struct hw_txqueue *phwtxqueue; |
| 95 | sint txcmdcnt; |
| 96 | int accnt; |
| 97 | }; |
| 98 | |
| 99 | struct pkt_attrib { |
| 100 | u8 type; |
| 101 | u8 subtype; |
| 102 | u8 bswenc; |
| 103 | u8 dhcp_pkt; |
| 104 | |
| 105 | u16 seqnum; |
| 106 | u16 ether_type; |
Ali Bahar | ee5b1aa | 2011-09-04 03:14:21 +0800 | [diff] [blame] | 107 | u16 pktlen; /* the original 802.3 pkt raw_data len |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 108 | * (not include ether_hdr data) */ |
Ali Bahar | ee5b1aa | 2011-09-04 03:14:21 +0800 | [diff] [blame] | 109 | u16 last_txcmdsz; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 110 | |
| 111 | u8 pkt_hdrlen; /*the original 802.3 pkt header len*/ |
| 112 | u8 hdrlen; /*the WLAN Header Len*/ |
| 113 | u8 nr_frags; |
| 114 | u8 ack_policy; |
| 115 | u8 mac_id; |
| 116 | u8 vcs_mode; /*virtual carrier sense method*/ |
| 117 | u8 pctrl;/*per packet txdesc control enable*/ |
| 118 | u8 qsel; |
| 119 | |
| 120 | u8 priority; |
| 121 | u8 encrypt; /* when 0 indicate no encrypt. when non-zero, |
Justin P. Mattock | be10ac2 | 2012-05-07 07:38:22 -0700 | [diff] [blame] | 122 | * indicate the encrypt algorithm*/ |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 123 | u8 iv_len; |
| 124 | u8 icv_len; |
| 125 | unsigned char iv[8]; |
| 126 | unsigned char icv[8]; |
| 127 | u8 dst[ETH_ALEN]; |
| 128 | u8 src[ETH_ALEN]; |
| 129 | u8 ta[ETH_ALEN]; |
| 130 | u8 ra[ETH_ALEN]; |
| 131 | struct sta_info *psta; |
| 132 | }; |
| 133 | |
| 134 | #define WLANHDR_OFFSET 64 |
| 135 | #define DATA_FRAMETAG 0x01 |
| 136 | #define L2_FRAMETAG 0x02 |
| 137 | #define MGNT_FRAMETAG 0x03 |
| 138 | #define AMSDU_FRAMETAG 0x04 |
| 139 | #define EII_FRAMETAG 0x05 |
| 140 | #define IEEE8023_FRAMETAG 0x06 |
| 141 | #define MP_FRAMETAG 0x07 |
| 142 | #define TXAGG_FRAMETAG 0x08 |
| 143 | |
| 144 | struct xmit_buf { |
| 145 | struct list_head list; |
| 146 | |
| 147 | u8 *pallocated_buf; |
| 148 | u8 *pbuf; |
Ali Bahar | 07a6b03 | 2011-09-04 03:14:16 +0800 | [diff] [blame] | 149 | void *priv_data; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 150 | struct urb *pxmit_urb[8]; |
Ali Bahar | 07a6b03 | 2011-09-04 03:14:16 +0800 | [diff] [blame] | 151 | u32 aggr_nr; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 152 | }; |
| 153 | |
| 154 | struct xmit_frame { |
| 155 | struct list_head list; |
| 156 | struct pkt_attrib attrib; |
| 157 | _pkt *pkt; |
| 158 | int frame_tag; |
| 159 | struct _adapter *padapter; |
| 160 | u8 *buf_addr; |
| 161 | struct xmit_buf *pxmitbuf; |
| 162 | u8 *mem_addr; |
| 163 | u16 sz[8]; |
| 164 | struct urb *pxmit_urb[8]; |
| 165 | u8 bpending[8]; |
| 166 | u8 last[8]; |
| 167 | }; |
| 168 | |
| 169 | struct tx_servq { |
| 170 | struct list_head tx_pending; |
| 171 | struct __queue sta_pending; |
| 172 | int qcnt; |
| 173 | }; |
| 174 | |
| 175 | struct sta_xmit_priv { |
| 176 | spinlock_t lock; |
| 177 | sint option; |
| 178 | sint apsd_setting; /* When bit mask is on, the associated edca |
| 179 | * queue supports APSD.*/ |
| 180 | struct tx_servq be_q; /* priority == 0,3 */ |
| 181 | struct tx_servq bk_q; /* priority == 1,2*/ |
| 182 | struct tx_servq vi_q; /*priority == 4,5*/ |
| 183 | struct tx_servq vo_q; /*priority == 6,7*/ |
| 184 | struct list_head legacy_dz; |
| 185 | struct list_head apsd; |
| 186 | u16 txseq_tid[16]; |
| 187 | uint sta_tx_bytes; |
| 188 | u64 sta_tx_pkts; |
| 189 | uint sta_tx_fail; |
| 190 | }; |
| 191 | |
| 192 | struct hw_txqueue { |
| 193 | /*volatile*/ sint head; |
| 194 | /*volatile*/ sint tail; |
| 195 | /*volatile*/ sint free_sz; /*in units of 64 bytes*/ |
| 196 | /*volatile*/ sint free_cmdsz; |
| 197 | /*volatile*/ sint txsz[8]; |
| 198 | uint ff_hwaddr; |
| 199 | uint cmd_hwaddr; |
| 200 | sint ac_tag; |
| 201 | }; |
| 202 | |
| 203 | struct xmit_priv { |
| 204 | spinlock_t lock; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 205 | struct __queue be_pending; |
| 206 | struct __queue bk_pending; |
| 207 | struct __queue vi_pending; |
| 208 | struct __queue vo_pending; |
| 209 | struct __queue bm_pending; |
| 210 | struct __queue legacy_dz_queue; |
| 211 | struct __queue apsd_queue; |
| 212 | u8 *pallocated_frame_buf; |
| 213 | u8 *pxmit_frame_buf; |
| 214 | uint free_xmitframe_cnt; |
| 215 | uint mapping_addr; |
| 216 | uint pkt_sz; |
| 217 | struct __queue free_xmit_queue; |
| 218 | struct hw_txqueue be_txqueue; |
| 219 | struct hw_txqueue bk_txqueue; |
| 220 | struct hw_txqueue vi_txqueue; |
| 221 | struct hw_txqueue vo_txqueue; |
| 222 | struct hw_txqueue bmc_txqueue; |
| 223 | uint frag_len; |
| 224 | struct _adapter *adapter; |
| 225 | u8 vcs_setting; |
| 226 | u8 vcs; |
| 227 | u8 vcs_type; |
| 228 | u16 rts_thresh; |
| 229 | uint tx_bytes; |
| 230 | u64 tx_pkts; |
| 231 | uint tx_drop; |
| 232 | struct hw_xmit *hwxmits; |
| 233 | u8 hwxmit_entry; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 234 | u8 txirp_cnt; |
| 235 | struct tasklet_struct xmit_tasklet; |
Ali Bahar | ee5b1aa | 2011-09-04 03:14:21 +0800 | [diff] [blame] | 236 | _workitem xmit_pipe4_reset_wi; |
| 237 | _workitem xmit_pipe6_reset_wi; |
| 238 | _workitem xmit_piped_reset_wi; |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 239 | /*per AC pending irp*/ |
| 240 | int beq_cnt; |
| 241 | int bkq_cnt; |
| 242 | int viq_cnt; |
| 243 | int voq_cnt; |
| 244 | struct __queue free_amsdu_xmit_queue; |
| 245 | u8 *pallocated_amsdu_frame_buf; |
| 246 | u8 *pxmit_amsdu_frame_buf; |
| 247 | uint free_amsdu_xmitframe_cnt; |
| 248 | struct __queue free_txagg_xmit_queue; |
| 249 | u8 *pallocated_txagg_frame_buf; |
| 250 | u8 *pxmit_txagg_frame_buf; |
| 251 | uint free_txagg_xmitframe_cnt; |
| 252 | int cmdseq; |
| 253 | struct __queue free_xmitbuf_queue; |
| 254 | struct __queue pending_xmitbuf_queue; |
| 255 | u8 *pallocated_xmitbuf; |
| 256 | u8 *pxmitbuf; |
| 257 | uint free_xmitbuf_cnt; |
| 258 | }; |
| 259 | |
| 260 | static inline struct __queue *get_free_xmit_queue( |
| 261 | struct xmit_priv *pxmitpriv) |
| 262 | { |
| 263 | return &(pxmitpriv->free_xmit_queue); |
| 264 | } |
| 265 | |
| 266 | int r8712_free_xmitbuf(struct xmit_priv *pxmitpriv, |
| 267 | struct xmit_buf *pxmitbuf); |
| 268 | struct xmit_buf *r8712_alloc_xmitbuf(struct xmit_priv *pxmitpriv); |
| 269 | void r8712_update_protection(struct _adapter *padapter, u8 *ie, uint ie_len); |
| 270 | struct xmit_frame *r8712_alloc_xmitframe(struct xmit_priv *pxmitpriv); |
| 271 | void r8712_free_xmitframe(struct xmit_priv *pxmitpriv, |
| 272 | struct xmit_frame *pxmitframe); |
| 273 | void r8712_free_xmitframe_queue(struct xmit_priv *pxmitpriv, |
| 274 | struct __queue *pframequeue); |
| 275 | sint r8712_xmit_classifier(struct _adapter *padapter, |
| 276 | struct xmit_frame *pxmitframe); |
| 277 | sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt, |
| 278 | struct xmit_frame *pxmitframe); |
| 279 | sint _r8712_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag); |
| 280 | void _r8712_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv); |
| 281 | sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt, |
| 282 | struct pkt_attrib *pattrib); |
| 283 | int r8712_txframes_sta_ac_pending(struct _adapter *padapter, |
| 284 | struct pkt_attrib *pattrib); |
Javier M. Mellid | 0593758 | 2011-04-02 03:01:49 +0200 | [diff] [blame] | 285 | sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv, |
| 286 | struct _adapter *padapter); |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 287 | void _free_xmit_priv(struct xmit_priv *pxmitpriv); |
| 288 | void r8712_free_xmitframe_ex(struct xmit_priv *pxmitpriv, |
| 289 | struct xmit_frame *pxmitframe); |
| 290 | int r8712_pre_xmit(struct _adapter *padapter, struct xmit_frame *pxmitframe); |
| 291 | int r8712_xmit_enqueue(struct _adapter *padapter, |
| 292 | struct xmit_frame *pxmitframe); |
| 293 | int r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe); |
| 294 | void r8712_xmit_bh(void *priv); |
| 295 | |
Ali Bahar | 07a6b03 | 2011-09-04 03:14:16 +0800 | [diff] [blame] | 296 | void xmitframe_xmitbuf_attach(struct xmit_frame *pxmitframe, |
| 297 | struct xmit_buf *pxmitbuf); |
| 298 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 299 | #include "rtl8712_xmit.h" |
| 300 | |
| 301 | #endif /*_RTL871X_XMIT_H_*/ |
| 302 | |