drivers/staging/rtl8712/rtl871x_xmit.h

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