1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2007 - 2012 Realtek Corporation. */
#define _USB_OPS_LINUX_C_
#include "../include/drv_types.h"
#include "../include/usb_ops_linux.h"
#include "../include/rtl8188e_recv.h"
static unsigned int ffaddr2pipehdl(struct dvobj_priv *pdvobj, u32 addr)
{
unsigned int pipe = 0, ep_num = 0;
struct usb_device *pusbd = pdvobj->pusbdev;
if (addr < HW_QUEUE_ENTRY) {
ep_num = pdvobj->Queue2Pipe[addr];
pipe = usb_sndbulkpipe(pusbd, ep_num);
}
return pipe;
}
void rtw_read_port_cancel(struct adapter *padapter)
{
int i;
struct recv_buf *precvbuf = (struct recv_buf *)padapter->recvpriv.precv_buf;
padapter->bReadPortCancel = true;
for (i = 0; i < NR_RECVBUFF; i++) {
precvbuf->reuse = true;
if (precvbuf->purb)
usb_kill_urb(precvbuf->purb);
precvbuf++;
}
}
static void usb_write_port_complete(struct urb *purb, struct pt_regs *regs)
{
struct xmit_buf *pxmitbuf = (struct xmit_buf *)purb->context;
struct adapter *padapter = pxmitbuf->padapter;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
switch (pxmitbuf->flags) {
case VO_QUEUE_INX:
pxmitpriv->voq_cnt--;
break;
case VI_QUEUE_INX:
pxmitpriv->viq_cnt--;
break;
case BE_QUEUE_INX:
pxmitpriv->beq_cnt--;
break;
case BK_QUEUE_INX:
pxmitpriv->bkq_cnt--;
break;
case HIGH_QUEUE_INX:
rtw_chk_hi_queue_cmd(padapter);
break;
default:
break;
}
if (padapter->bSurpriseRemoved || padapter->bDriverStopped ||
padapter->bWritePortCancel)
goto check_completion;
if (purb->status) {
if (purb->status == -EINPROGRESS) {
goto check_completion;
} else if (purb->status == -ENOENT) {
goto check_completion;
} else if (purb->status == -ECONNRESET) {
goto check_completion;
} else if (purb->status == -ESHUTDOWN) {
padapter->bDriverStopped = true;
goto check_completion;
} else if ((purb->status != -EPIPE) && (purb->status != -EPROTO)) {
padapter->bSurpriseRemoved = true;
goto check_completion;
}
}
check_completion:
rtw_sctx_done_err(&pxmitbuf->sctx,
purb->status ? RTW_SCTX_DONE_WRITE_PORT_ERR :
RTW_SCTX_DONE_SUCCESS);
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
tasklet_hi_schedule(&pxmitpriv->xmit_tasklet);
}
u32 rtw_write_port(struct adapter *padapter, u32 addr, u32 cnt, u8 *wmem)
{
unsigned long irqL;
unsigned int pipe;
int status;
u32 ret = _FAIL;
struct urb *purb = NULL;
struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct xmit_buf *pxmitbuf = (struct xmit_buf *)wmem;
struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitbuf->priv_data;
struct usb_device *pusbd = pdvobj->pusbdev;
if (padapter->bDriverStopped || padapter->bSurpriseRemoved) {
rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_TX_DENY);
goto exit;
}
spin_lock_irqsave(&pxmitpriv->lock, irqL);
switch (addr) {
case VO_QUEUE_INX:
pxmitpriv->voq_cnt++;
pxmitbuf->flags = VO_QUEUE_INX;
break;
case VI_QUEUE_INX:
pxmitpriv->viq_cnt++;
pxmitbuf->flags = VI_QUEUE_INX;
break;
case BE_QUEUE_INX:
pxmitpriv->beq_cnt++;
pxmitbuf->flags = BE_QUEUE_INX;
break;
case BK_QUEUE_INX:
pxmitpriv->bkq_cnt++;
pxmitbuf->flags = BK_QUEUE_INX;
break;
case HIGH_QUEUE_INX:
pxmitbuf->flags = HIGH_QUEUE_INX;
break;
default:
pxmitbuf->flags = MGT_QUEUE_INX;
break;
}
spin_unlock_irqrestore(&pxmitpriv->lock, irqL);
purb = pxmitbuf->pxmit_urb;
/* translate DMA FIFO addr to pipehandle */
pipe = ffaddr2pipehdl(pdvobj, addr);
usb_fill_bulk_urb(purb, pusbd, pipe,
pxmitframe->buf_addr, /* pxmitbuf->pbuf */
cnt,
usb_write_port_complete,
pxmitbuf);/* context is pxmitbuf */
status = usb_submit_urb(purb, GFP_ATOMIC);
if (status) {
rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_WRITE_PORT_ERR);
switch (status) {
case -ENODEV:
padapter->bDriverStopped = true;
break;
default:
break;
}
goto exit;
}
ret = _SUCCESS;
/* We add the URB_ZERO_PACKET flag to urb so that the host will send the zero packet automatically. */
exit:
if (ret != _SUCCESS)
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
return ret;
}
void rtw_write_port_cancel(struct adapter *padapter)
{
int i;
struct xmit_buf *pxmitbuf = (struct xmit_buf *)padapter->xmitpriv.pxmitbuf;
padapter->bWritePortCancel = true;
for (i = 0; i < NR_XMITBUFF; i++) {
if (pxmitbuf->pxmit_urb)
usb_kill_urb(pxmitbuf->pxmit_urb);
pxmitbuf++;
}
pxmitbuf = (struct xmit_buf *)padapter->xmitpriv.pxmit_extbuf;
for (i = 0; i < NR_XMIT_EXTBUFF; i++) {
if (pxmitbuf->pxmit_urb)
usb_kill_urb(pxmitbuf->pxmit_urb);
pxmitbuf++;
}
}
|
