Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * |
| 20 | * File: usbpipe.c |
| 21 | * |
| 22 | * Purpose: Handle USB control endpoint |
| 23 | * |
| 24 | * Author: Warren Hsu |
| 25 | * |
| 26 | * Date: Mar. 29, 2005 |
| 27 | * |
| 28 | * Functions: |
Malcolm Priestley | 1390b02 | 2014-05-26 13:59:01 +0100 | [diff] [blame] | 29 | * vnt_control_out - Write variable length bytes to MEM/BB/MAC/EEPROM |
Malcolm Priestley | 441c21c | 2014-05-26 13:59:02 +0100 | [diff] [blame] | 30 | * vnt_control_in - Read variable length bytes from MEM/BB/MAC/EEPROM |
Malcolm Priestley | 285d58c | 2014-05-26 13:59:03 +0100 | [diff] [blame] | 31 | * vnt_control_out_u8 - Write one byte to MEM/BB/MAC/EEPROM |
Malcolm Priestley | 5374290 | 2014-05-26 13:59:06 +0100 | [diff] [blame^] | 32 | * vnt_control_in_u8 - Read one byte from MEM/BB/MAC/EEPROM |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 33 | * ControlvMaskByte - Read one byte from MEM/BB/MAC/EEPROM and clear/set some bits in the same address |
| 34 | * |
| 35 | * Revision History: |
| 36 | * 04-05-2004 Jerry Chen: Initial release |
| 37 | * 11-24-2004 Warren Hsu: Add ControlvWriteByte,ControlvReadByte,ControlvMaskByte |
| 38 | * |
| 39 | */ |
| 40 | |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 41 | #include "int.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 42 | #include "rxtx.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 43 | #include "dpc.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 44 | #include "desc.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 45 | #include "device.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 46 | |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 47 | //endpoint def |
| 48 | //endpoint 0: control |
| 49 | //endpoint 1: interrupt |
| 50 | //endpoint 2: read bulk |
| 51 | //endpoint 3: write bulk |
| 52 | |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 53 | #define USB_CTL_WAIT 500 //ms |
| 54 | |
| 55 | #ifndef URB_ASYNC_UNLINK |
| 56 | #define URB_ASYNC_UNLINK 0 |
| 57 | #endif |
| 58 | |
Malcolm Priestley | fe5d00e | 2012-12-10 22:14:36 +0000 | [diff] [blame] | 59 | static void s_nsInterruptUsbIoCompleteRead(struct urb *urb); |
| 60 | static void s_nsBulkInUsbIoCompleteRead(struct urb *urb); |
| 61 | static void s_nsBulkOutIoCompleteWrite(struct urb *urb); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 62 | |
Malcolm Priestley | 1390b02 | 2014-05-26 13:59:01 +0100 | [diff] [blame] | 63 | int vnt_control_out(struct vnt_private *priv, u8 request, u16 value, |
Malcolm Priestley | 0f06a73 | 2014-05-17 09:50:21 +0100 | [diff] [blame] | 64 | u16 index, u16 length, u8 *buffer) |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 65 | { |
Malcolm Priestley | 0f06a73 | 2014-05-17 09:50:21 +0100 | [diff] [blame] | 66 | int status = 0; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 67 | |
Malcolm Priestley | 0f06a73 | 2014-05-17 09:50:21 +0100 | [diff] [blame] | 68 | if (priv->Flags & fMP_DISCONNECTED) |
Malcolm Priestley | e1feda1 | 2013-10-14 19:44:13 +0100 | [diff] [blame] | 69 | return STATUS_FAILURE; |
| 70 | |
Malcolm Priestley | 0f06a73 | 2014-05-17 09:50:21 +0100 | [diff] [blame] | 71 | mutex_lock(&priv->usb_lock); |
Malcolm Priestley | c91b186 | 2014-05-15 22:49:19 +0100 | [diff] [blame] | 72 | |
Malcolm Priestley | 0f06a73 | 2014-05-17 09:50:21 +0100 | [diff] [blame] | 73 | status = usb_control_msg(priv->usb, |
| 74 | usb_sndctrlpipe(priv->usb, 0), request, 0x40, value, |
| 75 | index, buffer, length, USB_CTL_WAIT); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 76 | |
Malcolm Priestley | 0f06a73 | 2014-05-17 09:50:21 +0100 | [diff] [blame] | 77 | mutex_unlock(&priv->usb_lock); |
Malcolm Priestley | c91b186 | 2014-05-15 22:49:19 +0100 | [diff] [blame] | 78 | |
Malcolm Priestley | 0f06a73 | 2014-05-17 09:50:21 +0100 | [diff] [blame] | 79 | if (status < (int)length) |
Malcolm Priestley | 7021b68 | 2014-05-15 22:49:22 +0100 | [diff] [blame] | 80 | return STATUS_FAILURE; |
| 81 | |
| 82 | return STATUS_SUCCESS; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 83 | } |
| 84 | |
Malcolm Priestley | 285d58c | 2014-05-26 13:59:03 +0100 | [diff] [blame] | 85 | void vnt_control_out_u8(struct vnt_private *priv, u8 reg, u8 reg_off, u8 data) |
| 86 | { |
| 87 | vnt_control_out(priv, MESSAGE_TYPE_WRITE, |
| 88 | reg_off, reg, sizeof(u8), &data); |
| 89 | } |
| 90 | |
Malcolm Priestley | 441c21c | 2014-05-26 13:59:02 +0100 | [diff] [blame] | 91 | int vnt_control_in(struct vnt_private *priv, u8 request, u16 value, |
Malcolm Priestley | 9af49fd | 2014-05-17 09:50:22 +0100 | [diff] [blame] | 92 | u16 index, u16 length, u8 *buffer) |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 93 | { |
Malcolm Priestley | 9af49fd | 2014-05-17 09:50:22 +0100 | [diff] [blame] | 94 | int status; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 95 | |
Malcolm Priestley | 9af49fd | 2014-05-17 09:50:22 +0100 | [diff] [blame] | 96 | if (priv->Flags & fMP_DISCONNECTED) |
Malcolm Priestley | e1feda1 | 2013-10-14 19:44:13 +0100 | [diff] [blame] | 97 | return STATUS_FAILURE; |
| 98 | |
Malcolm Priestley | 9af49fd | 2014-05-17 09:50:22 +0100 | [diff] [blame] | 99 | mutex_lock(&priv->usb_lock); |
Malcolm Priestley | c91b186 | 2014-05-15 22:49:19 +0100 | [diff] [blame] | 100 | |
Malcolm Priestley | 9af49fd | 2014-05-17 09:50:22 +0100 | [diff] [blame] | 101 | status = usb_control_msg(priv->usb, |
| 102 | usb_rcvctrlpipe(priv->usb, 0), request, 0xc0, value, |
| 103 | index, buffer, length, USB_CTL_WAIT); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 104 | |
Malcolm Priestley | 9af49fd | 2014-05-17 09:50:22 +0100 | [diff] [blame] | 105 | mutex_unlock(&priv->usb_lock); |
Malcolm Priestley | c91b186 | 2014-05-15 22:49:19 +0100 | [diff] [blame] | 106 | |
Malcolm Priestley | 9af49fd | 2014-05-17 09:50:22 +0100 | [diff] [blame] | 107 | if (status < (int)length) |
Malcolm Priestley | 0fb2af3 | 2014-05-15 22:49:23 +0100 | [diff] [blame] | 108 | return STATUS_FAILURE; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 109 | |
Malcolm Priestley | 0fb2af3 | 2014-05-15 22:49:23 +0100 | [diff] [blame] | 110 | return STATUS_SUCCESS; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 111 | } |
| 112 | |
Malcolm Priestley | 5374290 | 2014-05-26 13:59:06 +0100 | [diff] [blame^] | 113 | void vnt_control_in_u8(struct vnt_private *priv, u8 reg, u8 reg_off, u8 *data) |
| 114 | { |
| 115 | vnt_control_in(priv, MESSAGE_TYPE_READ, |
| 116 | reg_off, reg, sizeof(u8), data); |
| 117 | } |
| 118 | |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 119 | /* |
| 120 | * Description: |
| 121 | * Allocates an usb interrupt in irp and calls USBD. |
| 122 | * |
| 123 | * Parameters: |
| 124 | * In: |
| 125 | * pDevice - Pointer to the adapter |
| 126 | * Out: |
| 127 | * none |
| 128 | * |
| 129 | * Return Value: STATUS_INSUFFICIENT_RESOURCES or result of IoCallDriver |
| 130 | * |
| 131 | */ |
Malcolm Priestley | fe5d00e | 2012-12-10 22:14:36 +0000 | [diff] [blame] | 132 | |
Malcolm Priestley | 5f38b78 | 2014-02-19 18:37:32 +0000 | [diff] [blame] | 133 | int PIPEnsInterruptRead(struct vnt_private *priv) |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 134 | { |
Malcolm Priestley | 5f38b78 | 2014-02-19 18:37:32 +0000 | [diff] [blame] | 135 | int status = STATUS_FAILURE; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 136 | |
Malcolm Priestley | f764e00 | 2014-02-19 18:39:09 +0000 | [diff] [blame] | 137 | if (priv->int_buf.in_use == true) |
Malcolm Priestley | 5f38b78 | 2014-02-19 18:37:32 +0000 | [diff] [blame] | 138 | return STATUS_FAILURE; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 139 | |
Malcolm Priestley | f764e00 | 2014-02-19 18:39:09 +0000 | [diff] [blame] | 140 | priv->int_buf.in_use = true; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 141 | |
Malcolm Priestley | 5f38b78 | 2014-02-19 18:37:32 +0000 | [diff] [blame] | 142 | usb_fill_int_urb(priv->pInterruptURB, |
| 143 | priv->usb, |
Malcolm Priestley | b9d93d1 | 2014-03-16 12:34:11 +0000 | [diff] [blame] | 144 | usb_rcvintpipe(priv->usb, 1), |
Malcolm Priestley | f764e00 | 2014-02-19 18:39:09 +0000 | [diff] [blame] | 145 | priv->int_buf.data_buf, |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 146 | MAX_INTERRUPT_SIZE, |
| 147 | s_nsInterruptUsbIoCompleteRead, |
Malcolm Priestley | 5f38b78 | 2014-02-19 18:37:32 +0000 | [diff] [blame] | 148 | priv, |
| 149 | priv->int_interval); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 150 | |
Malcolm Priestley | 5f38b78 | 2014-02-19 18:37:32 +0000 | [diff] [blame] | 151 | status = usb_submit_urb(priv->pInterruptURB, GFP_ATOMIC); |
| 152 | if (status) { |
Malcolm Priestley | 8a66026 | 2014-05-17 09:50:20 +0100 | [diff] [blame] | 153 | dev_dbg(&priv->usb->dev, "Submit int URB failed %d\n", status); |
Malcolm Priestley | f764e00 | 2014-02-19 18:39:09 +0000 | [diff] [blame] | 154 | priv->int_buf.in_use = false; |
Malcolm Priestley | 59858f5 | 2014-02-19 18:36:37 +0000 | [diff] [blame] | 155 | } |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 156 | |
Malcolm Priestley | 5f38b78 | 2014-02-19 18:37:32 +0000 | [diff] [blame] | 157 | return status; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 158 | } |
| 159 | |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 160 | /* |
| 161 | * Description: |
| 162 | * Complete function of usb interrupt in irp. |
| 163 | * |
| 164 | * Parameters: |
| 165 | * In: |
| 166 | * pDevice - Pointer to the adapter |
| 167 | * |
| 168 | * Out: |
| 169 | * none |
| 170 | * |
| 171 | * Return Value: STATUS_INSUFFICIENT_RESOURCES or result of IoCallDriver |
| 172 | * |
| 173 | */ |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 174 | |
Malcolm Priestley | fe5d00e | 2012-12-10 22:14:36 +0000 | [diff] [blame] | 175 | static void s_nsInterruptUsbIoCompleteRead(struct urb *urb) |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 176 | { |
Malcolm Priestley | 599e4b5 | 2014-02-25 20:51:51 +0000 | [diff] [blame] | 177 | struct vnt_private *priv = urb->context; |
Malcolm Priestley | d9ad7a9 | 2014-02-17 21:27:30 +0000 | [diff] [blame] | 178 | int status; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 179 | |
Malcolm Priestley | c98fbf9 | 2014-02-17 21:16:20 +0000 | [diff] [blame] | 180 | switch (urb->status) { |
| 181 | case 0: |
| 182 | case -ETIMEDOUT: |
| 183 | break; |
| 184 | case -ECONNRESET: |
| 185 | case -ENOENT: |
| 186 | case -ESHUTDOWN: |
Malcolm Priestley | f764e00 | 2014-02-19 18:39:09 +0000 | [diff] [blame] | 187 | priv->int_buf.in_use = false; |
Malcolm Priestley | c98fbf9 | 2014-02-17 21:16:20 +0000 | [diff] [blame] | 188 | return; |
| 189 | default: |
| 190 | break; |
| 191 | } |
| 192 | |
Malcolm Priestley | d9ad7a9 | 2014-02-17 21:27:30 +0000 | [diff] [blame] | 193 | status = urb->status; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 194 | |
Malcolm Priestley | d9ad7a9 | 2014-02-17 21:27:30 +0000 | [diff] [blame] | 195 | if (status != STATUS_SUCCESS) { |
Malcolm Priestley | f764e00 | 2014-02-19 18:39:09 +0000 | [diff] [blame] | 196 | priv->int_buf.in_use = false; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 197 | |
Malcolm Priestley | 8a66026 | 2014-05-17 09:50:20 +0100 | [diff] [blame] | 198 | dev_dbg(&priv->usb->dev, "%s status = %d\n", __func__, status); |
Malcolm Priestley | 247b4b6 | 2014-02-17 21:12:51 +0000 | [diff] [blame] | 199 | } else { |
Malcolm Priestley | d9ad7a9 | 2014-02-17 21:27:30 +0000 | [diff] [blame] | 200 | INTnsProcessData(priv); |
Malcolm Priestley | 247b4b6 | 2014-02-17 21:12:51 +0000 | [diff] [blame] | 201 | } |
Malcolm Priestley | 749627f | 2014-02-17 21:24:33 +0000 | [diff] [blame] | 202 | |
Malcolm Priestley | d9ad7a9 | 2014-02-17 21:27:30 +0000 | [diff] [blame] | 203 | status = usb_submit_urb(priv->pInterruptURB, GFP_ATOMIC); |
| 204 | if (status) { |
Malcolm Priestley | 8a66026 | 2014-05-17 09:50:20 +0100 | [diff] [blame] | 205 | dev_dbg(&priv->usb->dev, "Submit int URB failed %d\n", status); |
Malcolm Priestley | d9ad7a9 | 2014-02-17 21:27:30 +0000 | [diff] [blame] | 206 | } else { |
Malcolm Priestley | f764e00 | 2014-02-19 18:39:09 +0000 | [diff] [blame] | 207 | priv->int_buf.in_use = true; |
Malcolm Priestley | d9ad7a9 | 2014-02-17 21:27:30 +0000 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | return; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 211 | } |
| 212 | |
| 213 | /* |
| 214 | * Description: |
| 215 | * Allocates an usb BulkIn irp and calls USBD. |
| 216 | * |
| 217 | * Parameters: |
| 218 | * In: |
| 219 | * pDevice - Pointer to the adapter |
| 220 | * Out: |
| 221 | * none |
| 222 | * |
| 223 | * Return Value: STATUS_INSUFFICIENT_RESOURCES or result of IoCallDriver |
| 224 | * |
| 225 | */ |
Malcolm Priestley | fe5d00e | 2012-12-10 22:14:36 +0000 | [diff] [blame] | 226 | |
Malcolm Priestley | 0b787d7 | 2014-02-25 20:51:50 +0000 | [diff] [blame] | 227 | int PIPEnsBulkInUsbRead(struct vnt_private *priv, struct vnt_rcb *rcb) |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 228 | { |
Malcolm Priestley | 0b787d7 | 2014-02-25 20:51:50 +0000 | [diff] [blame] | 229 | int status = 0; |
| 230 | struct urb *urb; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 231 | |
Malcolm Priestley | 0b787d7 | 2014-02-25 20:51:50 +0000 | [diff] [blame] | 232 | if (priv->Flags & fMP_DISCONNECTED) |
| 233 | return STATUS_FAILURE; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 234 | |
Malcolm Priestley | 0b787d7 | 2014-02-25 20:51:50 +0000 | [diff] [blame] | 235 | urb = rcb->pUrb; |
| 236 | if (rcb->skb == NULL) { |
Malcolm Priestley | 8a66026 | 2014-05-17 09:50:20 +0100 | [diff] [blame] | 237 | dev_dbg(&priv->usb->dev, "rcb->skb is null\n"); |
Malcolm Priestley | 0b787d7 | 2014-02-25 20:51:50 +0000 | [diff] [blame] | 238 | return status; |
| 239 | } |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 240 | |
Malcolm Priestley | 0b787d7 | 2014-02-25 20:51:50 +0000 | [diff] [blame] | 241 | usb_fill_bulk_urb(urb, |
| 242 | priv->usb, |
| 243 | usb_rcvbulkpipe(priv->usb, 2), |
| 244 | (void *) (rcb->skb->data), |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 245 | MAX_TOTAL_SIZE_WITH_ALL_HEADERS, |
| 246 | s_nsBulkInUsbIoCompleteRead, |
Malcolm Priestley | 0b787d7 | 2014-02-25 20:51:50 +0000 | [diff] [blame] | 247 | rcb); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 248 | |
Malcolm Priestley | 0b787d7 | 2014-02-25 20:51:50 +0000 | [diff] [blame] | 249 | status = usb_submit_urb(urb, GFP_ATOMIC); |
| 250 | if (status != 0) { |
Malcolm Priestley | 8a66026 | 2014-05-17 09:50:20 +0100 | [diff] [blame] | 251 | dev_dbg(&priv->usb->dev, "Submit Rx URB failed %d\n", status); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 252 | return STATUS_FAILURE ; |
| 253 | } |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 254 | |
Malcolm Priestley | 0b787d7 | 2014-02-25 20:51:50 +0000 | [diff] [blame] | 255 | rcb->Ref = 1; |
| 256 | rcb->bBoolInUse = true; |
| 257 | |
| 258 | return status; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 259 | } |
| 260 | |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 261 | /* |
| 262 | * Description: |
| 263 | * Complete function of usb BulkIn irp. |
| 264 | * |
| 265 | * Parameters: |
| 266 | * In: |
| 267 | * pDevice - Pointer to the adapter |
| 268 | * |
| 269 | * Out: |
| 270 | * none |
| 271 | * |
| 272 | * Return Value: STATUS_INSUFFICIENT_RESOURCES or result of IoCallDriver |
| 273 | * |
| 274 | */ |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 275 | |
Malcolm Priestley | fe5d00e | 2012-12-10 22:14:36 +0000 | [diff] [blame] | 276 | static void s_nsBulkInUsbIoCompleteRead(struct urb *urb) |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 277 | { |
Malcolm Priestley | 599e4b5 | 2014-02-25 20:51:51 +0000 | [diff] [blame] | 278 | struct vnt_rcb *rcb = urb->context; |
Malcolm Priestley | d4fa2ab | 2014-02-25 20:51:49 +0000 | [diff] [blame] | 279 | struct vnt_private *priv = rcb->pDevice; |
Malcolm Priestley | 29b0237 | 2014-05-15 22:49:20 +0100 | [diff] [blame] | 280 | unsigned long flags; |
Malcolm Priestley | d4fa2ab | 2014-02-25 20:51:49 +0000 | [diff] [blame] | 281 | int re_alloc_skb = false; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 282 | |
Malcolm Priestley | 6763898 | 2014-02-25 20:51:48 +0000 | [diff] [blame] | 283 | switch (urb->status) { |
| 284 | case 0: |
Malcolm Priestley | 6763898 | 2014-02-25 20:51:48 +0000 | [diff] [blame] | 285 | break; |
| 286 | case -ECONNRESET: |
| 287 | case -ENOENT: |
| 288 | case -ESHUTDOWN: |
| 289 | return; |
| 290 | case -ETIMEDOUT: |
| 291 | default: |
Malcolm Priestley | 8a66026 | 2014-05-17 09:50:20 +0100 | [diff] [blame] | 292 | dev_dbg(&priv->usb->dev, "BULK In failed %d\n", urb->status); |
Malcolm Priestley | 6763898 | 2014-02-25 20:51:48 +0000 | [diff] [blame] | 293 | break; |
| 294 | } |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 295 | |
Malcolm Priestley | d4fa2ab | 2014-02-25 20:51:49 +0000 | [diff] [blame] | 296 | if (urb->actual_length) { |
Malcolm Priestley | 29b0237 | 2014-05-15 22:49:20 +0100 | [diff] [blame] | 297 | spin_lock_irqsave(&priv->lock, flags); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 298 | |
Malcolm Priestley | d4fa2ab | 2014-02-25 20:51:49 +0000 | [diff] [blame] | 299 | if (RXbBulkInProcessData(priv, rcb, urb->actual_length) == true) |
| 300 | re_alloc_skb = true; |
| 301 | |
Malcolm Priestley | 29b0237 | 2014-05-15 22:49:20 +0100 | [diff] [blame] | 302 | spin_unlock_irqrestore(&priv->lock, flags); |
Malcolm Priestley | d4fa2ab | 2014-02-25 20:51:49 +0000 | [diff] [blame] | 303 | } |
| 304 | |
| 305 | rcb->Ref--; |
| 306 | if (rcb->Ref == 0) { |
Malcolm Priestley | 8a66026 | 2014-05-17 09:50:20 +0100 | [diff] [blame] | 307 | dev_dbg(&priv->usb->dev, |
| 308 | "RxvFreeNormal %d\n", priv->NumRecvFreeList); |
| 309 | |
Malcolm Priestley | 29b0237 | 2014-05-15 22:49:20 +0100 | [diff] [blame] | 310 | spin_lock_irqsave(&priv->lock, flags); |
Malcolm Priestley | d4fa2ab | 2014-02-25 20:51:49 +0000 | [diff] [blame] | 311 | |
| 312 | RXvFreeRCB(rcb, re_alloc_skb); |
| 313 | |
Malcolm Priestley | 29b0237 | 2014-05-15 22:49:20 +0100 | [diff] [blame] | 314 | spin_unlock_irqrestore(&priv->lock, flags); |
Malcolm Priestley | d4fa2ab | 2014-02-25 20:51:49 +0000 | [diff] [blame] | 315 | } |
| 316 | |
| 317 | return; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 318 | } |
| 319 | |
| 320 | /* |
| 321 | * Description: |
| 322 | * Allocates an usb BulkOut irp and calls USBD. |
| 323 | * |
| 324 | * Parameters: |
| 325 | * In: |
| 326 | * pDevice - Pointer to the adapter |
| 327 | * Out: |
| 328 | * none |
| 329 | * |
| 330 | * Return Value: STATUS_INSUFFICIENT_RESOURCES or result of IoCallDriver |
| 331 | * |
| 332 | */ |
Malcolm Priestley | fe5d00e | 2012-12-10 22:14:36 +0000 | [diff] [blame] | 333 | |
Malcolm Priestley | 3f38290 | 2014-02-25 20:51:45 +0000 | [diff] [blame] | 334 | int PIPEnsSendBulkOut(struct vnt_private *priv, |
| 335 | struct vnt_usb_send_context *context) |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 336 | { |
Malcolm Priestley | fe5d00e | 2012-12-10 22:14:36 +0000 | [diff] [blame] | 337 | int status; |
Malcolm Priestley | 3f38290 | 2014-02-25 20:51:45 +0000 | [diff] [blame] | 338 | struct urb *urb; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 339 | |
Malcolm Priestley | 3f38290 | 2014-02-25 20:51:45 +0000 | [diff] [blame] | 340 | priv->bPWBitOn = false; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 341 | |
Malcolm Priestley | 3f38290 | 2014-02-25 20:51:45 +0000 | [diff] [blame] | 342 | if (!(MP_IS_READY(priv) && priv->Flags & fMP_POST_WRITES)) { |
Malcolm Priestley | 30a05b3 | 2014-05-15 22:49:11 +0100 | [diff] [blame] | 343 | context->in_use = false; |
Malcolm Priestley | 1333830 | 2014-02-25 20:51:43 +0000 | [diff] [blame] | 344 | return STATUS_RESOURCES; |
| 345 | } |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 346 | |
Malcolm Priestley | 30a05b3 | 2014-05-15 22:49:11 +0100 | [diff] [blame] | 347 | urb = context->urb; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 348 | |
Malcolm Priestley | 3f38290 | 2014-02-25 20:51:45 +0000 | [diff] [blame] | 349 | usb_fill_bulk_urb(urb, |
| 350 | priv->usb, |
| 351 | usb_sndbulkpipe(priv->usb, 3), |
Malcolm Priestley | 30a05b3 | 2014-05-15 22:49:11 +0100 | [diff] [blame] | 352 | context->data, |
| 353 | context->buf_len, |
Malcolm Priestley | 3f38290 | 2014-02-25 20:51:45 +0000 | [diff] [blame] | 354 | s_nsBulkOutIoCompleteWrite, |
| 355 | context); |
| 356 | |
| 357 | status = usb_submit_urb(urb, GFP_ATOMIC); |
| 358 | if (status != 0) { |
Malcolm Priestley | 8a66026 | 2014-05-17 09:50:20 +0100 | [diff] [blame] | 359 | dev_dbg(&priv->usb->dev, "Submit Tx URB failed %d\n", status); |
| 360 | |
Malcolm Priestley | 30a05b3 | 2014-05-15 22:49:11 +0100 | [diff] [blame] | 361 | context->in_use = false; |
Malcolm Priestley | 3f38290 | 2014-02-25 20:51:45 +0000 | [diff] [blame] | 362 | return STATUS_FAILURE; |
| 363 | } |
| 364 | |
| 365 | return STATUS_PENDING; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 366 | } |
| 367 | |
| 368 | /* |
| 369 | * Description: s_nsBulkOutIoCompleteWrite |
| 370 | * 1a) Indicate to the protocol the status of the write. |
| 371 | * 1b) Return ownership of the packet to the protocol. |
| 372 | * |
| 373 | * 2) If any more packets are queue for sending, send another packet |
| 374 | * to USBD. |
| 375 | * If the attempt to send the packet to the driver fails, |
| 376 | * return ownership of the packet to the protocol and |
| 377 | * try another packet (until one succeeds). |
| 378 | * |
| 379 | * Parameters: |
| 380 | * In: |
| 381 | * pdoUsbDevObj - pointer to the USB device object which |
| 382 | * completed the irp |
| 383 | * pIrp - the irp which was completed by the |
| 384 | * device object |
| 385 | * pContext - the context given to IoSetCompletionRoutine |
| 386 | * before calling IoCallDriver on the irp |
| 387 | * The pContext is a pointer to the USB device object. |
| 388 | * Out: |
| 389 | * none |
| 390 | * |
| 391 | * Return Value: STATUS_MORE_PROCESSING_REQUIRED - allows the completion routine |
| 392 | * (IofCompleteRequest) to stop working on the irp. |
| 393 | * |
| 394 | */ |
Malcolm Priestley | fe5d00e | 2012-12-10 22:14:36 +0000 | [diff] [blame] | 395 | |
| 396 | static void s_nsBulkOutIoCompleteWrite(struct urb *urb) |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 397 | { |
Malcolm Priestley | 599e4b5 | 2014-02-25 20:51:51 +0000 | [diff] [blame] | 398 | struct vnt_usb_send_context *context = urb->context; |
Malcolm Priestley | 30a05b3 | 2014-05-15 22:49:11 +0100 | [diff] [blame] | 399 | struct vnt_private *priv = context->priv; |
Malcolm Priestley | 1450ba6 | 2014-02-19 21:56:33 +0000 | [diff] [blame] | 400 | u8 context_type = context->type; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 401 | |
Malcolm Priestley | e8152bf | 2014-02-19 21:53:35 +0000 | [diff] [blame] | 402 | switch (urb->status) { |
| 403 | case 0: |
Malcolm Priestley | 8a66026 | 2014-05-17 09:50:20 +0100 | [diff] [blame] | 404 | dev_dbg(&priv->usb->dev, "Write %d bytes\n", context->buf_len); |
Malcolm Priestley | e8152bf | 2014-02-19 21:53:35 +0000 | [diff] [blame] | 405 | break; |
| 406 | case -ECONNRESET: |
| 407 | case -ENOENT: |
| 408 | case -ESHUTDOWN: |
Malcolm Priestley | 30a05b3 | 2014-05-15 22:49:11 +0100 | [diff] [blame] | 409 | context->in_use = false; |
Malcolm Priestley | e8152bf | 2014-02-19 21:53:35 +0000 | [diff] [blame] | 410 | return; |
Malcolm Priestley | d1b2a11 | 2014-02-27 23:06:15 +0000 | [diff] [blame] | 411 | case -ETIMEDOUT: |
Malcolm Priestley | e8152bf | 2014-02-19 21:53:35 +0000 | [diff] [blame] | 412 | default: |
Malcolm Priestley | 8a66026 | 2014-05-17 09:50:20 +0100 | [diff] [blame] | 413 | dev_dbg(&priv->usb->dev, "BULK Out failed %d\n", urb->status); |
Malcolm Priestley | e8152bf | 2014-02-19 21:53:35 +0000 | [diff] [blame] | 414 | break; |
| 415 | } |
| 416 | |
Malcolm Priestley | 21aa212 | 2014-02-19 21:54:45 +0000 | [diff] [blame] | 417 | if (!netif_device_present(priv->dev)) |
| 418 | return; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 419 | |
Malcolm Priestley | 21aa212 | 2014-02-19 21:54:45 +0000 | [diff] [blame] | 420 | if (CONTEXT_DATA_PACKET == context_type) { |
Malcolm Priestley | 30a05b3 | 2014-05-15 22:49:11 +0100 | [diff] [blame] | 421 | if (context->skb != NULL) { |
| 422 | dev_kfree_skb_irq(context->skb); |
| 423 | context->skb = NULL; |
Malcolm Priestley | 8a66026 | 2014-05-17 09:50:20 +0100 | [diff] [blame] | 424 | dev_dbg(&priv->usb->dev, |
| 425 | "tx %d bytes\n", context->buf_len); |
Malcolm Priestley | 21aa212 | 2014-02-19 21:54:45 +0000 | [diff] [blame] | 426 | } |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 427 | |
Malcolm Priestley | 21aa212 | 2014-02-19 21:54:45 +0000 | [diff] [blame] | 428 | priv->dev->trans_start = jiffies; |
Malcolm Priestley | 21aa212 | 2014-02-19 21:54:45 +0000 | [diff] [blame] | 429 | } |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 430 | |
Malcolm Priestley | 21aa212 | 2014-02-19 21:54:45 +0000 | [diff] [blame] | 431 | if (priv->bLinkPass == true) { |
| 432 | if (netif_queue_stopped(priv->dev)) |
| 433 | netif_wake_queue(priv->dev); |
| 434 | } |
| 435 | |
Malcolm Priestley | 30a05b3 | 2014-05-15 22:49:11 +0100 | [diff] [blame] | 436 | context->in_use = false; |
Malcolm Priestley | 21aa212 | 2014-02-19 21:54:45 +0000 | [diff] [blame] | 437 | |
| 438 | return; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 439 | } |