/******************************************************************************
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <wlanfae@realtek.com>
* Larry Finger <Larry.Finger@lwfinger.net>
*
******************************************************************************/
#ifndef _RTL871X_XMIT_H_
#define _RTL871X_XMIT_H_
#include "osdep_service.h"
#include "drv_types.h"
#include "xmit_osdep.h"
#ifdef CONFIG_R8712_TX_AGGR
#define MAX_XMITBUF_SZ (16384)
#else
#define MAX_XMITBUF_SZ (2048)
#endif
#define NR_XMITBUFF (4)
#ifdef CONFIG_R8712_TX_AGGR
#define AGGR_NR_HIGH_BOUND (4) /*(8) */
#define AGGR_NR_LOW_BOUND (2)
#endif
#define XMITBUF_ALIGN_SZ 512
#define TX_GUARD_BAND 5
#define MAX_NUMBLKS (1)
/* Fixed the Big Endian bug when using the software driver encryption.*/
#define WEP_IV(pattrib_iv, txpn, keyidx)\
do { \
pattrib_iv[0] = txpn._byte_.TSC0;\
pattrib_iv[1] = txpn._byte_.TSC1;\
pattrib_iv[2] = txpn._byte_.TSC2;\
pattrib_iv[3] = ((keyidx & 0x3)<<6);\
txpn.val = (txpn.val == 0xffffff) ? 0 : (txpn.val+1);\
} while (0)
/* Fixed the Big Endian bug when doing the Tx.
* The Linksys WRH54G will check this.*/
#define TKIP_IV(pattrib_iv, txpn, keyidx)\
do { \
pattrib_iv[0] = txpn._byte_.TSC1;\
pattrib_iv[1] = (txpn._byte_.TSC1 | 0x20) & 0x7f;\
pattrib_iv[2] = txpn._byte_.TSC0;\
pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
pattrib_iv[4] = txpn._byte_.TSC2;\
pattrib_iv[5] = txpn._byte_.TSC3;\
pattrib_iv[6] = txpn._byte_.TSC4;\
pattrib_iv[7] = txpn._byte_.TSC5;\
txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \
(txpn.val+1);\
} while (0)
#define AES_IV(pattrib_iv, txpn, keyidx)\
do { \
pattrib_iv[0] = txpn._byte_.TSC0;\
pattrib_iv[1] = txpn._byte_.TSC1;\
pattrib_iv[2] = 0;\
pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);\
pattrib_iv[4] = txpn._byte_.TSC2;\
pattrib_iv[5] = txpn._byte_.TSC3;\
pattrib_iv[6] = txpn._byte_.TSC4;\
pattrib_iv[7] = txpn._byte_.TSC5;\
txpn.val = txpn.val == 0xffffffffffffULL ? 0 : \
(txpn.val+1);\
} while (0)
struct hw_xmit {
spinlock_t xmit_lock;
struct list_head pending;
struct __queue *sta_queue;
struct hw_txqueue *phwtxqueue;
sint txcmdcnt;
int accnt;
};
struct pkt_attrib {
u8 type;
u8 subtype;
u8 bswenc;
u8 dhcp_pkt;
u16 seqnum;
u16 ether_type;
u16 pktlen; /* the original 802.3 pkt raw_data len
* (not include ether_hdr data) */
u16 last_txcmdsz;
u8 pkt_hdrlen; /*the original 802.3 pkt header len*/
u8 hdrlen; /*the WLAN Header Len*/
u8 nr_frags;
u8 ack_policy;
u8 mac_id;
u8 vcs_mode; /*virtual carrier sense method*/
u8 pctrl;/*per packet txdesc control enable*/
u8 qsel;
u8 priority;
u8 encrypt; /* when 0 indicate no encrypt. when non-zero,
* indicate the encrypt algorith*/
u8 iv_len;
u8 icv_len;
unsigned char iv[8];
unsigned char icv[8];
u8 dst[ETH_ALEN];
u8 src[ETH_ALEN];
u8 ta[ETH_ALEN];
u8 ra[ETH_ALEN];
struct sta_info *psta;
};
#define WLANHDR_OFFSET 64
#define DATA_FRAMETAG 0x01
#define L2_FRAMETAG 0x02
#define MGNT_FRAMETAG 0x03
#define AMSDU_FRAMETAG 0x04
#define EII_FRAMETAG 0x05
#define IEEE8023_FRAMETAG 0x06
#define MP_FRAMETAG 0x07
#define TXAGG_FRAMETAG 0x08
struct xmit_buf {
struct list_head list;
u8 *pallocated_buf;
u8 *pbuf;
void *priv_data;
struct urb *pxmit_urb[8];
u32 aggr_nr;
};
struct xmit_frame {
struct list_head list;
struct pkt_attrib attrib;
_pkt *pkt;
int frame_tag;
struct _adapter *padapter;
u8 *buf_addr;
struct xmit_buf *pxmitbuf;
u8 *mem_addr;
u16 sz[8];
struct urb *pxmit_urb[8];
u8 bpending[8];
u8 last[8];
};
struct tx_servq {
struct list_head tx_pending;
struct __queue sta_pending;
int qcnt;
};
struct sta_xmit_priv {
spinlock_t lock;
sint option;
sint apsd_setting; /* When bit mask is on, the associated edca
* queue supports APSD.*/
struct tx_servq be_q; /* priority == 0,3 */
struct tx_servq bk_q; /* priority == 1,2*/
struct tx_servq vi_q; /*priority == 4,5*/
struct tx_servq vo_q; /*priority == 6,7*/
struct list_head legacy_dz;
struct list_head apsd;
u16 txseq_tid[16];
uint sta_tx_bytes;
u64 sta_tx_pkts;
uint sta_tx_fail;
};
struct hw_txqueue {
/*volatile*/ sint head;
/*volatile*/ sint tail;
/*volatile*/ sint free_sz; /*in units of 64 bytes*/
/*volatile*/ sint free_cmdsz;
/*volatile*/ sint txsz[8];
uint ff_hwaddr;
uint cmd_hwaddr;
sint ac_tag;
};
struct xmit_priv {
spinlock_t lock;
struct semaphore xmit_sema;
struct semaphore terminate_xmitthread_sema;
struct __queue be_pending;
struct __queue bk_pending;
struct __queue vi_pending;
struct __queue vo_pending;
struct __queue bm_pending;
struct __queue legacy_dz_queue;
struct __queue apsd_queue;
u8 *pallocated_frame_buf;
u8 *pxmit_frame_buf;
uint free_xmitframe_cnt;
uint mapping_addr;
uint pkt_sz;
struct __queue free_xmit_queue;
struct hw_txqueue be_txqueue;
struct hw_txqueue bk_txqueue;
struct hw_txqueue vi_txqueue;
struct hw_txqueue vo_txqueue;
struct hw_txqueue bmc_txqueue;
uint frag_len;
struct _adapter *adapter;
u8 vcs_setting;
u8 vcs;
u8 vcs_type;
u16 rts_thresh;
uint tx_bytes;
u64 tx_pkts;
uint tx_drop;
struct hw_xmit *hwxmits;
u8 hwxmit_entry;
struct semaphore tx_retevt;/*all tx return event;*/
u8 txirp_cnt;
struct tasklet_struct xmit_tasklet;
_workitem xmit_pipe4_reset_wi;
_workitem xmit_pipe6_reset_wi;
_workitem xmit_piped_reset_wi;
/*per AC pending irp*/
int beq_cnt;
int bkq_cnt;
int viq_cnt;
int voq_cnt;
struct __queue free_amsdu_xmit_queue;
u8 *pallocated_amsdu_frame_buf;
u8 *pxmit_amsdu_frame_buf;
uint free_amsdu_xmitframe_cnt;
struct __queue free_txagg_xmit_queue;
u8 *pallocated_txagg_frame_buf;
u8 *pxmit_txagg_frame_buf;
uint free_txagg_xmitframe_cnt;
int cmdseq;
struct __queue free_xmitbuf_queue;
struct __queue pending_xmitbuf_queue;
u8 *pallocated_xmitbuf;
u8 *pxmitbuf;
uint free_xmitbuf_cnt;
};
static inline struct __queue *get_free_xmit_queue(
struct xmit_priv *pxmitpriv)
{
return &(pxmitpriv->free_xmit_queue);
}
int r8712_free_xmitbuf(struct xmit_priv *pxmitpriv,
struct xmit_buf *pxmitbuf);
struct xmit_buf *r8712_alloc_xmitbuf(struct xmit_priv *pxmitpriv);
void r8712_update_protection(struct _adapter *padapter, u8 *ie, uint ie_len);
struct xmit_frame *r8712_alloc_xmitframe(struct xmit_priv *pxmitpriv);
void r8712_free_xmitframe(struct xmit_priv *pxmitpriv,
struct xmit_frame *pxmitframe);
void r8712_free_xmitframe_queue(struct xmit_priv *pxmitpriv,
struct __queue *pframequeue);
sint r8712_xmit_classifier(struct _adapter *padapter,
struct xmit_frame *pxmitframe);
sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt,
struct xmit_frame *pxmitframe);
sint _r8712_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag);
void _r8712_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv);
sint r8712_update_attrib(struct _adapter *padapter, _pkt *pkt,
struct pkt_attrib *pattrib);
int r8712_txframes_sta_ac_pending(struct _adapter *padapter,
struct pkt_attrib *pattrib);
sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv,
struct _adapter *padapter);
void _free_xmit_priv(struct xmit_priv *pxmitpriv);
void r8712_free_xmitframe_ex(struct xmit_priv *pxmitpriv,
struct xmit_frame *pxmitframe);
int r8712_pre_xmit(struct _adapter *padapter, struct xmit_frame *pxmitframe);
int r8712_xmit_enqueue(struct _adapter *padapter,
struct xmit_frame *pxmitframe);
int r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe);
void r8712_xmit_bh(void *priv);
void xmitframe_xmitbuf_attach(struct xmit_frame *pxmitframe,
struct xmit_buf *pxmitbuf);
#include "rtl8712_xmit.h"
#endif /*_RTL871X_XMIT_H_*/