root/drivers/staging/rtl8712/rtl871x_xmit.h

/* [<][>][^][v][top][bottom][index][help] */

INCLUDED FROM


   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];
 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(void *priv);
 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 

/* [<][>][^][v][top][bottom][index][help] */