1cf3e6881SAli Bahar /****************************************************************************** 2cf3e6881SAli Bahar * 3cf3e6881SAli Bahar * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. 4cf3e6881SAli Bahar * 5cf3e6881SAli Bahar * This program is free software; you can redistribute it and/or modify it 6cf3e6881SAli Bahar * under the terms of version 2 of the GNU General Public License as 7cf3e6881SAli Bahar * published by the Free Software Foundation. 8cf3e6881SAli Bahar * 9cf3e6881SAli Bahar * This program is distributed in the hope that it will be useful, but WITHOUT 10cf3e6881SAli Bahar * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11cf3e6881SAli Bahar * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12cf3e6881SAli Bahar * more details. 13cf3e6881SAli Bahar * 14cf3e6881SAli Bahar * You should have received a copy of the GNU General Public License along with 15cf3e6881SAli Bahar * this program; if not, write to the Free Software Foundation, Inc., 16cf3e6881SAli Bahar * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 17cf3e6881SAli Bahar * 18cf3e6881SAli Bahar * Modifications for inclusion into the Linux staging tree are 19cf3e6881SAli Bahar * Copyright(c) 2010 Larry Finger. All rights reserved. 20cf3e6881SAli Bahar * 21cf3e6881SAli Bahar * Contact information: 22cf3e6881SAli Bahar * WLAN FAE <wlanfae@realtek.com> 23cf3e6881SAli Bahar * Larry Finger <Larry.Finger@lwfinger.net> 24cf3e6881SAli Bahar * 25cf3e6881SAli Bahar ******************************************************************************/ 262865d42cSLarry Finger #ifndef _RTL871X_XMIT_H_ 272865d42cSLarry Finger #define _RTL871X_XMIT_H_ 282865d42cSLarry Finger 292865d42cSLarry Finger #include "osdep_service.h" 302865d42cSLarry Finger #include "drv_types.h" 312865d42cSLarry Finger #include "xmit_osdep.h" 322865d42cSLarry Finger 332865d42cSLarry Finger #define MAX_XMITBUF_SZ (2048) 342865d42cSLarry Finger #define NR_XMITBUFF (4) 352865d42cSLarry Finger #define XMITBUF_ALIGN_SZ 512 362865d42cSLarry Finger #define TX_GUARD_BAND 5 372865d42cSLarry Finger #define MAX_NUMBLKS (1) 382865d42cSLarry Finger 392865d42cSLarry Finger /* Fixed the Big Endian bug when using the software driver encryption.*/ 402865d42cSLarry Finger #define WEP_IV(pattrib_iv, txpn, keyidx)\ 412865d42cSLarry Finger do { \ 422865d42cSLarry Finger pattrib_iv[0] = txpn._byte_.TSC0;\ 432865d42cSLarry Finger pattrib_iv[1] = txpn._byte_.TSC1;\ 442865d42cSLarry Finger pattrib_iv[2] = txpn._byte_.TSC2;\ 452865d42cSLarry Finger pattrib_iv[3] = ((keyidx & 0x3)<<6);\ 462865d42cSLarry Finger txpn.val = (txpn.val == 0xffffff) ? 0 : (txpn.val+1);\ 472865d42cSLarry Finger } while (0) 482865d42cSLarry Finger 492865d42cSLarry Finger /* Fixed the Big Endian bug when doing the Tx. 502865d42cSLarry Finger * The Linksys WRH54G will check this.*/ 512865d42cSLarry Finger #define TKIP_IV(pattrib_iv, txpn, keyidx)\ 522865d42cSLarry Finger do { \ 532865d42cSLarry Finger pattrib_iv[0] = txpn._byte_.TSC1;\ 542865d42cSLarry Finger pattrib_iv[1] = (txpn._byte_.TSC1 | 0x20) & 0x7f;\ 552865d42cSLarry Finger pattrib_iv[2] = txpn._byte_.TSC0;\ 562865d42cSLarry Finger pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\ 572865d42cSLarry Finger pattrib_iv[4] = txpn._byte_.TSC2;\ 582865d42cSLarry Finger pattrib_iv[5] = txpn._byte_.TSC3;\ 592865d42cSLarry Finger pattrib_iv[6] = txpn._byte_.TSC4;\ 602865d42cSLarry Finger pattrib_iv[7] = txpn._byte_.TSC5;\ 612865d42cSLarry Finger txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \ 622865d42cSLarry Finger (txpn.val+1);\ 632865d42cSLarry Finger } while (0) 642865d42cSLarry Finger 652865d42cSLarry Finger #define AES_IV(pattrib_iv, txpn, keyidx)\ 662865d42cSLarry Finger do { \ 672865d42cSLarry Finger pattrib_iv[0] = txpn._byte_.TSC0;\ 682865d42cSLarry Finger pattrib_iv[1] = txpn._byte_.TSC1;\ 692865d42cSLarry Finger pattrib_iv[2] = 0;\ 702865d42cSLarry Finger pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\ 712865d42cSLarry Finger pattrib_iv[4] = txpn._byte_.TSC2;\ 722865d42cSLarry Finger pattrib_iv[5] = txpn._byte_.TSC3;\ 732865d42cSLarry Finger pattrib_iv[6] = txpn._byte_.TSC4;\ 742865d42cSLarry Finger pattrib_iv[7] = txpn._byte_.TSC5;\ 752865d42cSLarry Finger txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \ 762865d42cSLarry Finger (txpn.val+1);\ 772865d42cSLarry Finger } while (0) 782865d42cSLarry Finger 792865d42cSLarry Finger struct hw_xmit { 802865d42cSLarry Finger spinlock_t xmit_lock; 812865d42cSLarry Finger struct list_head pending; 822865d42cSLarry Finger struct __queue *sta_queue; 832865d42cSLarry Finger struct hw_txqueue *phwtxqueue; 842865d42cSLarry Finger sint txcmdcnt; 852865d42cSLarry Finger int accnt; 862865d42cSLarry Finger }; 872865d42cSLarry Finger 882865d42cSLarry Finger struct pkt_attrib { 892865d42cSLarry Finger u8 type; 902865d42cSLarry Finger u8 subtype; 912865d42cSLarry Finger u8 bswenc; 922865d42cSLarry Finger u8 dhcp_pkt; 932865d42cSLarry Finger 942865d42cSLarry Finger u16 seqnum; 952865d42cSLarry Finger u16 ether_type; 962865d42cSLarry Finger u32 pktlen; /* the original 802.3 pkt raw_data len 972865d42cSLarry Finger * (not include ether_hdr data) */ 982865d42cSLarry Finger u32 last_txcmdsz; 992865d42cSLarry Finger 1002865d42cSLarry Finger u8 pkt_hdrlen; /*the original 802.3 pkt header len*/ 1012865d42cSLarry Finger u8 hdrlen; /*the WLAN Header Len*/ 1022865d42cSLarry Finger u8 nr_frags; 1032865d42cSLarry Finger u8 ack_policy; 1042865d42cSLarry Finger u8 mac_id; 1052865d42cSLarry Finger u8 vcs_mode; /*virtual carrier sense method*/ 1062865d42cSLarry Finger u8 pctrl;/*per packet txdesc control enable*/ 1072865d42cSLarry Finger u8 qsel; 1082865d42cSLarry Finger 1092865d42cSLarry Finger u8 priority; 1102865d42cSLarry Finger u8 encrypt; /* when 0 indicate no encrypt. when non-zero, 1112865d42cSLarry Finger * indicate the encrypt algorith*/ 1122865d42cSLarry Finger u8 iv_len; 1132865d42cSLarry Finger u8 icv_len; 1142865d42cSLarry Finger unsigned char iv[8]; 1152865d42cSLarry Finger unsigned char icv[8]; 1162865d42cSLarry Finger u8 dst[ETH_ALEN]; 1172865d42cSLarry Finger u8 src[ETH_ALEN]; 1182865d42cSLarry Finger u8 ta[ETH_ALEN]; 1192865d42cSLarry Finger u8 ra[ETH_ALEN]; 1202865d42cSLarry Finger struct sta_info *psta; 1212865d42cSLarry Finger }; 1222865d42cSLarry Finger 1232865d42cSLarry Finger #define WLANHDR_OFFSET 64 1242865d42cSLarry Finger #define DATA_FRAMETAG 0x01 1252865d42cSLarry Finger #define L2_FRAMETAG 0x02 1262865d42cSLarry Finger #define MGNT_FRAMETAG 0x03 1272865d42cSLarry Finger #define AMSDU_FRAMETAG 0x04 1282865d42cSLarry Finger #define EII_FRAMETAG 0x05 1292865d42cSLarry Finger #define IEEE8023_FRAMETAG 0x06 1302865d42cSLarry Finger #define MP_FRAMETAG 0x07 1312865d42cSLarry Finger #define TXAGG_FRAMETAG 0x08 1322865d42cSLarry Finger 1332865d42cSLarry Finger struct xmit_buf { 1342865d42cSLarry Finger struct list_head list; 1352865d42cSLarry Finger 1362865d42cSLarry Finger u8 *pallocated_buf; 1372865d42cSLarry Finger u8 *pbuf; 13807a6b037SAli Bahar void *priv_data; 1392865d42cSLarry Finger struct urb *pxmit_urb[8]; 14007a6b037SAli Bahar u32 aggr_nr; 1412865d42cSLarry Finger }; 1422865d42cSLarry Finger 1432865d42cSLarry Finger struct xmit_frame { 1442865d42cSLarry Finger struct list_head list; 1452865d42cSLarry Finger struct pkt_attrib attrib; 1462865d42cSLarry Finger _pkt *pkt; 1472865d42cSLarry Finger int frame_tag; 1482865d42cSLarry Finger struct _adapter *padapter; 1492865d42cSLarry Finger u8 *buf_addr; 1502865d42cSLarry Finger struct xmit_buf *pxmitbuf; 1512865d42cSLarry Finger u8 *mem_addr; 1522865d42cSLarry Finger u16 sz[8]; 1532865d42cSLarry Finger struct urb *pxmit_urb[8]; 1542865d42cSLarry Finger u8 bpending[8]; 1552865d42cSLarry Finger u8 last[8]; 1562865d42cSLarry Finger }; 1572865d42cSLarry Finger 1582865d42cSLarry Finger struct tx_servq { 1592865d42cSLarry Finger struct list_head tx_pending; 1602865d42cSLarry Finger struct __queue sta_pending; 1612865d42cSLarry Finger int qcnt; 1622865d42cSLarry Finger }; 1632865d42cSLarry Finger 1642865d42cSLarry Finger struct sta_xmit_priv { 1652865d42cSLarry Finger spinlock_t lock; 1662865d42cSLarry Finger sint option; 1672865d42cSLarry Finger sint apsd_setting; /* When bit mask is on, the associated edca 1682865d42cSLarry Finger * queue supports APSD.*/ 1692865d42cSLarry Finger struct tx_servq be_q; /* priority == 0,3 */ 1702865d42cSLarry Finger struct tx_servq bk_q; /* priority == 1,2*/ 1712865d42cSLarry Finger struct tx_servq vi_q; /*priority == 4,5*/ 1722865d42cSLarry Finger struct tx_servq vo_q; /*priority == 6,7*/ 1732865d42cSLarry Finger struct list_head legacy_dz; 1742865d42cSLarry Finger struct list_head apsd; 1752865d42cSLarry Finger u16 txseq_tid[16]; 1762865d42cSLarry Finger uint sta_tx_bytes; 1772865d42cSLarry Finger u64 sta_tx_pkts; 1782865d42cSLarry Finger uint sta_tx_fail; 1792865d42cSLarry Finger }; 1802865d42cSLarry Finger 1812865d42cSLarry Finger struct hw_txqueue { 1822865d42cSLarry Finger /*volatile*/ sint head; 1832865d42cSLarry Finger /*volatile*/ sint tail; 1842865d42cSLarry Finger /*volatile*/ sint free_sz; /*in units of 64 bytes*/ 1852865d42cSLarry Finger /*volatile*/ sint free_cmdsz; 1862865d42cSLarry Finger /*volatile*/ sint txsz[8]; 1872865d42cSLarry Finger uint ff_hwaddr; 1882865d42cSLarry Finger uint cmd_hwaddr; 1892865d42cSLarry Finger sint ac_tag; 1902865d42cSLarry Finger }; 1912865d42cSLarry Finger 1922865d42cSLarry Finger struct xmit_priv { 1932865d42cSLarry Finger spinlock_t lock; 1942865d42cSLarry Finger struct semaphore xmit_sema; 1952865d42cSLarry Finger struct semaphore terminate_xmitthread_sema; 1962865d42cSLarry Finger struct __queue be_pending; 1972865d42cSLarry Finger struct __queue bk_pending; 1982865d42cSLarry Finger struct __queue vi_pending; 1992865d42cSLarry Finger struct __queue vo_pending; 2002865d42cSLarry Finger struct __queue bm_pending; 2012865d42cSLarry Finger struct __queue legacy_dz_queue; 2022865d42cSLarry Finger struct __queue apsd_queue; 2032865d42cSLarry Finger u8 *pallocated_frame_buf; 2042865d42cSLarry Finger u8 *pxmit_frame_buf; 2052865d42cSLarry Finger uint free_xmitframe_cnt; 2062865d42cSLarry Finger uint mapping_addr; 2072865d42cSLarry Finger uint pkt_sz; 2082865d42cSLarry Finger struct __queue free_xmit_queue; 2092865d42cSLarry Finger struct hw_txqueue be_txqueue; 2102865d42cSLarry Finger struct hw_txqueue bk_txqueue; 2112865d42cSLarry Finger struct hw_txqueue vi_txqueue; 2122865d42cSLarry Finger struct hw_txqueue vo_txqueue; 2132865d42cSLarry Finger struct hw_txqueue bmc_txqueue; 2142865d42cSLarry Finger uint frag_len; 2152865d42cSLarry Finger struct _adapter *adapter; 2162865d42cSLarry Finger u8 vcs_setting; 2172865d42cSLarry Finger u8 vcs; 2182865d42cSLarry Finger u8 vcs_type; 2192865d42cSLarry Finger u16 rts_thresh; 2202865d42cSLarry Finger uint tx_bytes; 2212865d42cSLarry Finger u64 tx_pkts; 2222865d42cSLarry Finger uint tx_drop; 2232865d42cSLarry Finger struct hw_xmit *hwxmits; 2242865d42cSLarry Finger u8 hwxmit_entry; 2252865d42cSLarry Finger struct semaphore tx_retevt;/*all tx return event;*/ 2262865d42cSLarry Finger u8 txirp_cnt; 2272865d42cSLarry Finger struct tasklet_struct xmit_tasklet; 2282865d42cSLarry Finger /*per AC pending irp*/ 2292865d42cSLarry Finger int beq_cnt; 2302865d42cSLarry Finger int bkq_cnt; 2312865d42cSLarry Finger int viq_cnt; 2322865d42cSLarry Finger int voq_cnt; 2332865d42cSLarry Finger struct __queue free_amsdu_xmit_queue; 2342865d42cSLarry Finger u8 *pallocated_amsdu_frame_buf; 2352865d42cSLarry Finger u8 *pxmit_amsdu_frame_buf; 2362865d42cSLarry Finger uint free_amsdu_xmitframe_cnt; 2372865d42cSLarry Finger struct __queue free_txagg_xmit_queue; 2382865d42cSLarry Finger u8 *pallocated_txagg_frame_buf; 2392865d42cSLarry Finger u8 *pxmit_txagg_frame_buf; 2402865d42cSLarry Finger uint free_txagg_xmitframe_cnt; 2412865d42cSLarry Finger int cmdseq; 2422865d42cSLarry Finger struct __queue free_xmitbuf_queue; 2432865d42cSLarry Finger struct __queue pending_xmitbuf_queue; 2442865d42cSLarry Finger u8 *pallocated_xmitbuf; 2452865d42cSLarry Finger u8 *pxmitbuf; 2462865d42cSLarry Finger uint free_xmitbuf_cnt; 2472865d42cSLarry Finger }; 2482865d42cSLarry Finger 2492865d42cSLarry Finger static inline struct __queue *get_free_xmit_queue( 2502865d42cSLarry Finger struct xmit_priv *pxmitpriv) 2512865d42cSLarry Finger { 2522865d42cSLarry Finger return &(pxmitpriv->free_xmit_queue); 2532865d42cSLarry Finger } 2542865d42cSLarry Finger 2552865d42cSLarry Finger int r8712_free_xmitbuf(struct xmit_priv *pxmitpriv, 2562865d42cSLarry Finger struct xmit_buf *pxmitbuf); 2572865d42cSLarry Finger struct xmit_buf *r8712_alloc_xmitbuf(struct xmit_priv *pxmitpriv); 2582865d42cSLarry Finger void r8712_update_protection(struct _adapter *padapter, u8 *ie, uint ie_len); 2592865d42cSLarry Finger struct xmit_frame *r8712_alloc_xmitframe(struct xmit_priv *pxmitpriv); 2602865d42cSLarry Finger void r8712_free_xmitframe(struct xmit_priv *pxmitpriv, 2612865d42cSLarry Finger struct xmit_frame *pxmitframe); 2622865d42cSLarry Finger void r8712_free_xmitframe_queue(struct xmit_priv *pxmitpriv, 2632865d42cSLarry Finger struct __queue *pframequeue); 2642865d42cSLarry Finger sint r8712_xmit_classifier(struct _adapter *padapter, 2652865d42cSLarry Finger struct xmit_frame *pxmitframe); 2662865d42cSLarry Finger sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt, 2672865d42cSLarry Finger struct xmit_frame *pxmitframe); 2682865d42cSLarry Finger sint _r8712_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag); 2692865d42cSLarry Finger void _r8712_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv); 2702865d42cSLarry Finger sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt, 2712865d42cSLarry Finger struct pkt_attrib *pattrib); 2722865d42cSLarry Finger int r8712_txframes_sta_ac_pending(struct _adapter *padapter, 2732865d42cSLarry Finger struct pkt_attrib *pattrib); 2740593758eSJavier M. Mellid sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv, 2750593758eSJavier M. Mellid struct _adapter *padapter); 2762865d42cSLarry Finger void _free_xmit_priv(struct xmit_priv *pxmitpriv); 2772865d42cSLarry Finger void r8712_free_xmitframe_ex(struct xmit_priv *pxmitpriv, 2782865d42cSLarry Finger struct xmit_frame *pxmitframe); 2792865d42cSLarry Finger int r8712_pre_xmit(struct _adapter *padapter, struct xmit_frame *pxmitframe); 2802865d42cSLarry Finger int r8712_xmit_enqueue(struct _adapter *padapter, 2812865d42cSLarry Finger struct xmit_frame *pxmitframe); 2822865d42cSLarry Finger int r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe); 2832865d42cSLarry Finger void r8712_xmit_bh(void *priv); 2842865d42cSLarry Finger 28507a6b037SAli Bahar void xmitframe_xmitbuf_attach(struct xmit_frame *pxmitframe, 28607a6b037SAli Bahar struct xmit_buf *pxmitbuf); 28707a6b037SAli Bahar 2882865d42cSLarry Finger #include "rtl8712_xmit.h" 2892865d42cSLarry Finger 2902865d42cSLarry Finger #endif /*_RTL871X_XMIT_H_*/ 2912865d42cSLarry Finger 292