Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Agere Systems Inc. |
| 3 | * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs |
| 4 | * |
Alan Cox | 64f9303 | 2009-06-10 17:30:41 +0100 | [diff] [blame] | 5 | * Copyright © 2005 Agere Systems Inc. |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 6 | * All rights reserved. |
| 7 | * http://www.agere.com |
| 8 | * |
| 9 | *------------------------------------------------------------------------------ |
| 10 | * |
| 11 | * et131x_netdev.c - Routines and data required by all Linux network devices. |
| 12 | * |
| 13 | *------------------------------------------------------------------------------ |
| 14 | * |
| 15 | * SOFTWARE LICENSE |
| 16 | * |
| 17 | * This software is provided subject to the following terms and conditions, |
| 18 | * which you should read carefully before using the software. Using this |
| 19 | * software indicates your acceptance of these terms and conditions. If you do |
| 20 | * not agree with these terms and conditions, do not use the software. |
| 21 | * |
Alan Cox | 64f9303 | 2009-06-10 17:30:41 +0100 | [diff] [blame] | 22 | * Copyright © 2005 Agere Systems Inc. |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 23 | * All rights reserved. |
| 24 | * |
| 25 | * Redistribution and use in source or binary forms, with or without |
| 26 | * modifications, are permitted provided that the following conditions are met: |
| 27 | * |
| 28 | * . Redistributions of source code must retain the above copyright notice, this |
| 29 | * list of conditions and the following Disclaimer as comments in the code as |
| 30 | * well as in the documentation and/or other materials provided with the |
| 31 | * distribution. |
| 32 | * |
| 33 | * . Redistributions in binary form must reproduce the above copyright notice, |
| 34 | * this list of conditions and the following Disclaimer in the documentation |
| 35 | * and/or other materials provided with the distribution. |
| 36 | * |
| 37 | * . Neither the name of Agere Systems Inc. nor the names of the contributors |
| 38 | * may be used to endorse or promote products derived from this software |
| 39 | * without specific prior written permission. |
| 40 | * |
| 41 | * Disclaimer |
| 42 | * |
Alan Cox | 64f9303 | 2009-06-10 17:30:41 +0100 | [diff] [blame] | 43 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 44 | * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF |
| 45 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY |
| 46 | * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN |
| 47 | * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY |
| 48 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 49 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 50 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 51 | * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT |
| 52 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 53 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
| 54 | * DAMAGE. |
| 55 | * |
| 56 | */ |
| 57 | |
| 58 | #include "et131x_version.h" |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 59 | #include "et131x_defs.h" |
| 60 | |
| 61 | #include <linux/init.h> |
| 62 | #include <linux/module.h> |
| 63 | #include <linux/types.h> |
| 64 | #include <linux/kernel.h> |
| 65 | |
| 66 | #include <linux/sched.h> |
| 67 | #include <linux/ptrace.h> |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 68 | #include <linux/ctype.h> |
| 69 | #include <linux/string.h> |
| 70 | #include <linux/timer.h> |
| 71 | #include <linux/interrupt.h> |
| 72 | #include <linux/in.h> |
| 73 | #include <linux/delay.h> |
Alan Cox | 64f9303 | 2009-06-10 17:30:41 +0100 | [diff] [blame] | 74 | #include <linux/io.h> |
| 75 | #include <linux/bitops.h> |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 76 | #include <linux/pci.h> |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 77 | #include <asm/system.h> |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 78 | |
| 79 | #include <linux/mii.h> |
| 80 | #include <linux/netdevice.h> |
| 81 | #include <linux/etherdevice.h> |
| 82 | #include <linux/skbuff.h> |
| 83 | #include <linux/if_arp.h> |
| 84 | #include <linux/ioport.h> |
| 85 | |
| 86 | #include "et1310_phy.h" |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 87 | #include "et1310_tx.h" |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 88 | #include "et131x_adapter.h" |
Alan Cox | 69ea5fc | 2010-01-18 15:34:24 +0000 | [diff] [blame] | 89 | #include "et131x.h" |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 90 | |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 91 | struct net_device_stats *et131x_stats(struct net_device *netdev); |
| 92 | int et131x_open(struct net_device *netdev); |
| 93 | int et131x_close(struct net_device *netdev); |
| 94 | int et131x_ioctl(struct net_device *netdev, struct ifreq *reqbuf, int cmd); |
| 95 | void et131x_multicast(struct net_device *netdev); |
| 96 | int et131x_tx(struct sk_buff *skb, struct net_device *netdev); |
| 97 | void et131x_tx_timeout(struct net_device *netdev); |
| 98 | int et131x_change_mtu(struct net_device *netdev, int new_mtu); |
| 99 | int et131x_set_mac_addr(struct net_device *netdev, void *new_mac); |
| 100 | void et131x_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp); |
| 101 | void et131x_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid); |
| 102 | void et131x_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid); |
| 103 | |
Alexander Beregalov | fa5a602 | 2009-03-29 19:25:33 +0400 | [diff] [blame] | 104 | static const struct net_device_ops et131x_netdev_ops = { |
| 105 | .ndo_open = et131x_open, |
| 106 | .ndo_stop = et131x_close, |
| 107 | .ndo_start_xmit = et131x_tx, |
| 108 | .ndo_set_multicast_list = et131x_multicast, |
| 109 | .ndo_tx_timeout = et131x_tx_timeout, |
| 110 | .ndo_change_mtu = et131x_change_mtu, |
| 111 | .ndo_set_mac_address = et131x_set_mac_addr, |
| 112 | .ndo_validate_addr = eth_validate_addr, |
| 113 | .ndo_get_stats = et131x_stats, |
| 114 | .ndo_do_ioctl = et131x_ioctl, |
| 115 | }; |
| 116 | |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 117 | /** |
| 118 | * et131x_device_alloc |
| 119 | * |
| 120 | * Returns pointer to the allocated and initialized net_device struct for |
| 121 | * this device. |
| 122 | * |
| 123 | * Create instances of net_device and wl_private for the new adapter and |
| 124 | * register the device's entry points in the net_device structure. |
| 125 | */ |
| 126 | struct net_device *et131x_device_alloc(void) |
| 127 | { |
| 128 | struct net_device *netdev; |
| 129 | |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 130 | /* Alloc net_device and adapter structs */ |
| 131 | netdev = alloc_etherdev(sizeof(struct et131x_adapter)); |
| 132 | |
| 133 | if (netdev == NULL) { |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 134 | printk(KERN_ERR "et131x: Alloc of net_device struct failed\n"); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 135 | return NULL; |
| 136 | } |
| 137 | |
| 138 | /* Setup the function registration table (and other data) for a |
| 139 | * net_device |
| 140 | */ |
Alan Cox | 64f9303 | 2009-06-10 17:30:41 +0100 | [diff] [blame] | 141 | /* netdev->init = &et131x_init; */ |
| 142 | /* netdev->set_config = &et131x_config; */ |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 143 | netdev->watchdog_timeo = ET131X_TX_TIMEOUT; |
Alexander Beregalov | fa5a602 | 2009-03-29 19:25:33 +0400 | [diff] [blame] | 144 | netdev->netdev_ops = &et131x_netdev_ops; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 145 | |
Alan Cox | 64f9303 | 2009-06-10 17:30:41 +0100 | [diff] [blame] | 146 | /* netdev->ethtool_ops = &et131x_ethtool_ops; */ |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 147 | |
Alan Cox | 64f9303 | 2009-06-10 17:30:41 +0100 | [diff] [blame] | 148 | /* Poll? */ |
| 149 | /* netdev->poll = &et131x_poll; */ |
| 150 | /* netdev->poll_controller = &et131x_poll_controller; */ |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 151 | return netdev; |
| 152 | } |
| 153 | |
| 154 | /** |
| 155 | * et131x_stats - Return the current device statistics. |
| 156 | * @netdev: device whose stats are being queried |
| 157 | * |
| 158 | * Returns 0 on success, errno on failure (as defined in errno.h) |
| 159 | */ |
| 160 | struct net_device_stats *et131x_stats(struct net_device *netdev) |
| 161 | { |
| 162 | struct et131x_adapter *adapter = netdev_priv(netdev); |
| 163 | struct net_device_stats *stats = &adapter->net_stats; |
| 164 | CE_STATS_t *devstat = &adapter->Stats; |
| 165 | |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 166 | stats->rx_packets = devstat->ipackets; |
| 167 | stats->tx_packets = devstat->opackets; |
| 168 | stats->rx_errors = devstat->length_err + devstat->alignment_err + |
| 169 | devstat->crc_err + devstat->code_violations + devstat->other_errors; |
| 170 | stats->tx_errors = devstat->max_pkt_error; |
| 171 | stats->multicast = devstat->multircv; |
| 172 | stats->collisions = devstat->collisions; |
| 173 | |
| 174 | stats->rx_length_errors = devstat->length_err; |
| 175 | stats->rx_over_errors = devstat->rx_ov_flow; |
| 176 | stats->rx_crc_errors = devstat->crc_err; |
| 177 | |
Alan Cox | 64f9303 | 2009-06-10 17:30:41 +0100 | [diff] [blame] | 178 | /* NOTE: These stats don't have corresponding values in CE_STATS, |
| 179 | * so we're going to have to update these directly from within the |
| 180 | * TX/RX code |
| 181 | */ |
| 182 | /* stats->rx_bytes = 20; devstat->; */ |
| 183 | /* stats->tx_bytes = 20; devstat->; */ |
| 184 | /* stats->rx_dropped = devstat->; */ |
| 185 | /* stats->tx_dropped = devstat->; */ |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 186 | |
Alan Cox | 64f9303 | 2009-06-10 17:30:41 +0100 | [diff] [blame] | 187 | /* NOTE: Not used, can't find analogous statistics */ |
| 188 | /* stats->rx_frame_errors = devstat->; */ |
| 189 | /* stats->rx_fifo_errors = devstat->; */ |
| 190 | /* stats->rx_missed_errors = devstat->; */ |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 191 | |
Alan Cox | 64f9303 | 2009-06-10 17:30:41 +0100 | [diff] [blame] | 192 | /* stats->tx_aborted_errors = devstat->; */ |
| 193 | /* stats->tx_carrier_errors = devstat->; */ |
| 194 | /* stats->tx_fifo_errors = devstat->; */ |
| 195 | /* stats->tx_heartbeat_errors = devstat->; */ |
| 196 | /* stats->tx_window_errors = devstat->; */ |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 197 | return stats; |
| 198 | } |
| 199 | |
| 200 | /** |
| 201 | * et131x_open - Open the device for use. |
| 202 | * @netdev: device to be opened |
| 203 | * |
| 204 | * Returns 0 on success, errno on failure (as defined in errno.h) |
| 205 | */ |
| 206 | int et131x_open(struct net_device *netdev) |
| 207 | { |
| 208 | int result = 0; |
| 209 | struct et131x_adapter *adapter = netdev_priv(netdev); |
| 210 | |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 211 | /* Start the timer to track NIC errors */ |
| 212 | add_timer(&adapter->ErrorTimer); |
| 213 | |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 214 | /* Register our IRQ */ |
| 215 | result = request_irq(netdev->irq, et131x_isr, IRQF_SHARED, |
| 216 | netdev->name, netdev); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 217 | if (result) { |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 218 | dev_err(&adapter->pdev->dev, "c ould not register IRQ %d\n", |
| 219 | netdev->irq); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 220 | return result; |
| 221 | } |
| 222 | |
| 223 | /* Enable the Tx and Rx DMA engines (if not already enabled) */ |
| 224 | et131x_rx_dma_enable(adapter); |
| 225 | et131x_tx_dma_enable(adapter); |
| 226 | |
| 227 | /* Enable device interrupts */ |
| 228 | et131x_enable_interrupts(adapter); |
| 229 | |
Alan Cox | f6b35d6 | 2009-08-27 11:02:05 +0100 | [diff] [blame] | 230 | adapter->Flags |= fMP_ADAPTER_INTERRUPT_IN_USE; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 231 | |
| 232 | /* We're ready to move some data, so start the queue */ |
| 233 | netif_start_queue(netdev); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 234 | return result; |
| 235 | } |
| 236 | |
| 237 | /** |
| 238 | * et131x_close - Close the device |
| 239 | * @netdev: device to be closed |
| 240 | * |
| 241 | * Returns 0 on success, errno on failure (as defined in errno.h) |
| 242 | */ |
| 243 | int et131x_close(struct net_device *netdev) |
| 244 | { |
| 245 | struct et131x_adapter *adapter = netdev_priv(netdev); |
| 246 | |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 247 | /* First thing is to stop the queue */ |
| 248 | netif_stop_queue(netdev); |
| 249 | |
| 250 | /* Stop the Tx and Rx DMA engines */ |
| 251 | et131x_rx_dma_disable(adapter); |
| 252 | et131x_tx_dma_disable(adapter); |
| 253 | |
| 254 | /* Disable device interrupts */ |
| 255 | et131x_disable_interrupts(adapter); |
| 256 | |
| 257 | /* Deregistering ISR */ |
Alan Cox | f6b35d6 | 2009-08-27 11:02:05 +0100 | [diff] [blame] | 258 | adapter->Flags &= ~fMP_ADAPTER_INTERRUPT_IN_USE; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 259 | free_irq(netdev->irq, netdev); |
| 260 | |
| 261 | /* Stop the error timer */ |
| 262 | del_timer_sync(&adapter->ErrorTimer); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 263 | return 0; |
| 264 | } |
| 265 | |
| 266 | /** |
| 267 | * et131x_ioctl_mii - The function which handles MII IOCTLs |
| 268 | * @netdev: device on which the query is being made |
| 269 | * @reqbuf: the request-specific data buffer |
| 270 | * @cmd: the command request code |
| 271 | * |
| 272 | * Returns 0 on success, errno on failure (as defined in errno.h) |
| 273 | */ |
| 274 | int et131x_ioctl_mii(struct net_device *netdev, struct ifreq *reqbuf, int cmd) |
| 275 | { |
| 276 | int status = 0; |
Alan Cox | 25ad00b | 2009-08-19 18:21:44 +0100 | [diff] [blame] | 277 | struct et131x_adapter *etdev = netdev_priv(netdev); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 278 | struct mii_ioctl_data *data = if_mii(reqbuf); |
| 279 | |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 280 | switch (cmd) { |
| 281 | case SIOCGMIIPHY: |
Alan Cox | 25ad00b | 2009-08-19 18:21:44 +0100 | [diff] [blame] | 282 | data->phy_id = etdev->Stats.xcvr_addr; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 283 | break; |
| 284 | |
| 285 | case SIOCGMIIREG: |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 286 | if (!capable(CAP_NET_ADMIN)) |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 287 | status = -EPERM; |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 288 | else |
Alan Cox | 25ad00b | 2009-08-19 18:21:44 +0100 | [diff] [blame] | 289 | status = MiRead(etdev, |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 290 | data->reg_num, &data->val_out); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 291 | break; |
| 292 | |
| 293 | case SIOCSMIIREG: |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 294 | if (!capable(CAP_NET_ADMIN)) |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 295 | status = -EPERM; |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 296 | else |
Alan Cox | 25ad00b | 2009-08-19 18:21:44 +0100 | [diff] [blame] | 297 | status = MiWrite(etdev, data->reg_num, |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 298 | data->val_in); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 299 | break; |
| 300 | |
| 301 | default: |
| 302 | status = -EOPNOTSUPP; |
| 303 | } |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 304 | return status; |
| 305 | } |
| 306 | |
| 307 | /** |
| 308 | * et131x_ioctl - The I/O Control handler for the driver |
| 309 | * @netdev: device on which the control request is being made |
| 310 | * @reqbuf: a pointer to the IOCTL request buffer |
| 311 | * @cmd: the IOCTL command code |
| 312 | * |
| 313 | * Returns 0 on success, errno on failure (as defined in errno.h) |
| 314 | */ |
| 315 | int et131x_ioctl(struct net_device *netdev, struct ifreq *reqbuf, int cmd) |
| 316 | { |
| 317 | int status = 0; |
| 318 | |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 319 | switch (cmd) { |
| 320 | case SIOCGMIIPHY: |
| 321 | case SIOCGMIIREG: |
| 322 | case SIOCSMIIREG: |
| 323 | status = et131x_ioctl_mii(netdev, reqbuf, cmd); |
| 324 | break; |
| 325 | |
| 326 | default: |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 327 | status = -EOPNOTSUPP; |
| 328 | } |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 329 | return status; |
| 330 | } |
| 331 | |
| 332 | /** |
| 333 | * et131x_set_packet_filter - Configures the Rx Packet filtering on the device |
| 334 | * @adapter: pointer to our private adapter structure |
| 335 | * |
Alan Cox | b186f33 | 2010-01-18 15:34:57 +0000 | [diff] [blame] | 336 | * FIXME: lot of dups with MAC code |
| 337 | * |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 338 | * Returns 0 on success, errno on failure |
| 339 | */ |
| 340 | int et131x_set_packet_filter(struct et131x_adapter *adapter) |
| 341 | { |
| 342 | int status = 0; |
| 343 | uint32_t filter = adapter->PacketFilter; |
Alan Cox | bd03d0d | 2010-01-18 15:35:30 +0000 | [diff] [blame] | 344 | u32 ctrl; |
Alan Cox | b186f33 | 2010-01-18 15:34:57 +0000 | [diff] [blame] | 345 | u32 pf_ctrl; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 346 | |
Alan Cox | bd03d0d | 2010-01-18 15:35:30 +0000 | [diff] [blame] | 347 | ctrl = readl(&adapter->regs->rxmac.ctrl); |
Alan Cox | b186f33 | 2010-01-18 15:34:57 +0000 | [diff] [blame] | 348 | pf_ctrl = readl(&adapter->regs->rxmac.pf_ctrl); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 349 | |
| 350 | /* Default to disabled packet filtering. Enable it in the individual |
| 351 | * case statements that require the device to filter something |
| 352 | */ |
Alan Cox | bd03d0d | 2010-01-18 15:35:30 +0000 | [diff] [blame] | 353 | ctrl |= 0x04; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 354 | |
| 355 | /* Set us to be in promiscuous mode so we receive everything, this |
| 356 | * is also true when we get a packet filter of 0 |
| 357 | */ |
Alan Cox | b186f33 | 2010-01-18 15:34:57 +0000 | [diff] [blame] | 358 | if ((filter & ET131X_PACKET_TYPE_PROMISCUOUS) || filter == 0) |
| 359 | pf_ctrl &= ~7; /* Clear filter bits */ |
| 360 | else { |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 361 | /* |
| 362 | * Set us up with Multicast packet filtering. Three cases are |
| 363 | * possible - (1) we have a multi-cast list, (2) we receive ALL |
| 364 | * multicast entries or (3) we receive none. |
| 365 | */ |
Alan Cox | b186f33 | 2010-01-18 15:34:57 +0000 | [diff] [blame] | 366 | if (filter & ET131X_PACKET_TYPE_ALL_MULTICAST) |
| 367 | pf_ctrl &= ~2; /* Multicast filter bit */ |
| 368 | else { |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 369 | SetupDeviceForMulticast(adapter); |
Alan Cox | b186f33 | 2010-01-18 15:34:57 +0000 | [diff] [blame] | 370 | pf_ctrl |= 2; |
Alan Cox | bd03d0d | 2010-01-18 15:35:30 +0000 | [diff] [blame] | 371 | ctrl &= ~0x04; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 372 | } |
| 373 | |
| 374 | /* Set us up with Unicast packet filtering */ |
| 375 | if (filter & ET131X_PACKET_TYPE_DIRECTED) { |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 376 | SetupDeviceForUnicast(adapter); |
Alan Cox | b186f33 | 2010-01-18 15:34:57 +0000 | [diff] [blame] | 377 | pf_ctrl |= 4; |
Alan Cox | bd03d0d | 2010-01-18 15:35:30 +0000 | [diff] [blame] | 378 | ctrl &= ~0x04; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 379 | } |
| 380 | |
| 381 | /* Set us up with Broadcast packet filtering */ |
| 382 | if (filter & ET131X_PACKET_TYPE_BROADCAST) { |
Alan Cox | b186f33 | 2010-01-18 15:34:57 +0000 | [diff] [blame] | 383 | pf_ctrl |= 1; /* Broadcast filter bit */ |
Alan Cox | bd03d0d | 2010-01-18 15:35:30 +0000 | [diff] [blame] | 384 | ctrl &= ~0x04; |
Alan Cox | b186f33 | 2010-01-18 15:34:57 +0000 | [diff] [blame] | 385 | } else |
| 386 | pf_ctrl &= ~1; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 387 | |
| 388 | /* Setup the receive mac configuration registers - Packet |
| 389 | * Filter control + the enable / disable for packet filter |
| 390 | * in the control reg. |
| 391 | */ |
Alan Cox | b186f33 | 2010-01-18 15:34:57 +0000 | [diff] [blame] | 392 | writel(pf_ctrl, &adapter->regs->rxmac.pf_ctrl); |
Alan Cox | bd03d0d | 2010-01-18 15:35:30 +0000 | [diff] [blame] | 393 | writel(ctrl, &adapter->regs->rxmac.ctrl); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 394 | } |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 395 | return status; |
| 396 | } |
| 397 | |
| 398 | /** |
| 399 | * et131x_multicast - The handler to configure multicasting on the interface |
| 400 | * @netdev: a pointer to a net_device struct representing the device |
| 401 | */ |
| 402 | void et131x_multicast(struct net_device *netdev) |
| 403 | { |
| 404 | struct et131x_adapter *adapter = netdev_priv(netdev); |
| 405 | uint32_t PacketFilter = 0; |
Alan Cox | 3762860 | 2009-08-19 18:21:50 +0100 | [diff] [blame] | 406 | unsigned long flags; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 407 | struct netdev_hw_addr *ha; |
Jiri Pirko | d590794 | 2010-02-18 05:10:14 +0000 | [diff] [blame] | 408 | int i; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 409 | |
Alan Cox | 3762860 | 2009-08-19 18:21:50 +0100 | [diff] [blame] | 410 | spin_lock_irqsave(&adapter->Lock, flags); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 411 | |
| 412 | /* Before we modify the platform-independent filter flags, store them |
| 413 | * locally. This allows us to determine if anything's changed and if |
| 414 | * we even need to bother the hardware |
| 415 | */ |
| 416 | PacketFilter = adapter->PacketFilter; |
| 417 | |
| 418 | /* Clear the 'multicast' flag locally; becuase we only have a single |
| 419 | * flag to check multicast, and multiple multicast addresses can be |
| 420 | * set, this is the easiest way to determine if more than one |
| 421 | * multicast address is being set. |
| 422 | */ |
| 423 | PacketFilter &= ~ET131X_PACKET_TYPE_MULTICAST; |
| 424 | |
| 425 | /* Check the net_device flags and set the device independent flags |
| 426 | * accordingly |
| 427 | */ |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 428 | |
Michael Sprecher | f3fd4cd | 2010-03-10 13:15:35 +0100 | [diff] [blame] | 429 | if (netdev->flags & IFF_PROMISC) |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 430 | adapter->PacketFilter |= ET131X_PACKET_TYPE_PROMISCUOUS; |
Michael Sprecher | f3fd4cd | 2010-03-10 13:15:35 +0100 | [diff] [blame] | 431 | else |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 432 | adapter->PacketFilter &= ~ET131X_PACKET_TYPE_PROMISCUOUS; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 433 | |
Michael Sprecher | f3fd4cd | 2010-03-10 13:15:35 +0100 | [diff] [blame] | 434 | if (netdev->flags & IFF_ALLMULTI) |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 435 | adapter->PacketFilter |= ET131X_PACKET_TYPE_ALL_MULTICAST; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 436 | |
Michael Sprecher | f3fd4cd | 2010-03-10 13:15:35 +0100 | [diff] [blame] | 437 | if (netdev_mc_count(netdev) > NIC_MAX_MCAST_LIST) |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 438 | adapter->PacketFilter |= ET131X_PACKET_TYPE_ALL_MULTICAST; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 439 | |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 440 | if (netdev_mc_count(netdev) < 1) { |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 441 | adapter->PacketFilter &= ~ET131X_PACKET_TYPE_ALL_MULTICAST; |
| 442 | adapter->PacketFilter &= ~ET131X_PACKET_TYPE_MULTICAST; |
Michael Sprecher | f3fd4cd | 2010-03-10 13:15:35 +0100 | [diff] [blame] | 443 | } else |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 444 | adapter->PacketFilter |= ET131X_PACKET_TYPE_MULTICAST; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 445 | |
| 446 | /* Set values in the private adapter struct */ |
Jiri Pirko | d590794 | 2010-02-18 05:10:14 +0000 | [diff] [blame] | 447 | i = 0; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 448 | netdev_for_each_mc_addr(ha, netdev) { |
Jiri Pirko | d590794 | 2010-02-18 05:10:14 +0000 | [diff] [blame] | 449 | if (i == NIC_MAX_MCAST_LIST) |
| 450 | break; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 451 | memcpy(adapter->MCList[i++], ha->addr, ETH_ALEN); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 452 | } |
Jiri Pirko | d590794 | 2010-02-18 05:10:14 +0000 | [diff] [blame] | 453 | adapter->MCAddressCount = i; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 454 | |
| 455 | /* Are the new flags different from the previous ones? If not, then no |
| 456 | * action is required |
| 457 | * |
| 458 | * NOTE - This block will always update the MCList with the hardware, |
| 459 | * even if the addresses aren't the same. |
| 460 | */ |
| 461 | if (PacketFilter != adapter->PacketFilter) { |
| 462 | /* Call the device's filter function */ |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 463 | et131x_set_packet_filter(adapter); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 464 | } |
Alan Cox | 3762860 | 2009-08-19 18:21:50 +0100 | [diff] [blame] | 465 | spin_unlock_irqrestore(&adapter->Lock, flags); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 466 | } |
| 467 | |
| 468 | /** |
| 469 | * et131x_tx - The handler to tx a packet on the device |
| 470 | * @skb: data to be Tx'd |
| 471 | * @netdev: device on which data is to be Tx'd |
| 472 | * |
| 473 | * Returns 0 on success, errno on failure (as defined in errno.h) |
| 474 | */ |
| 475 | int et131x_tx(struct sk_buff *skb, struct net_device *netdev) |
| 476 | { |
| 477 | int status = 0; |
| 478 | |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 479 | /* Save the timestamp for the TX timeout watchdog */ |
| 480 | netdev->trans_start = jiffies; |
| 481 | |
| 482 | /* Call the device-specific data Tx routine */ |
| 483 | status = et131x_send_packets(skb, netdev); |
| 484 | |
| 485 | /* Check status and manage the netif queue if necessary */ |
| 486 | if (status != 0) { |
| 487 | if (status == -ENOMEM) { |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 488 | /* Put the queue to sleep until resources are |
| 489 | * available |
| 490 | */ |
| 491 | netif_stop_queue(netdev); |
Patrick McHardy | 5b54814 | 2009-06-12 06:22:29 +0000 | [diff] [blame] | 492 | status = NETDEV_TX_BUSY; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 493 | } else { |
Patrick McHardy | 5b54814 | 2009-06-12 06:22:29 +0000 | [diff] [blame] | 494 | status = NETDEV_TX_OK; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 495 | } |
| 496 | } |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 497 | return status; |
| 498 | } |
| 499 | |
| 500 | /** |
| 501 | * et131x_tx_timeout - Timeout handler |
| 502 | * @netdev: a pointer to a net_device struct representing the device |
| 503 | * |
| 504 | * The handler called when a Tx request times out. The timeout period is |
| 505 | * specified by the 'tx_timeo" element in the net_device structure (see |
| 506 | * et131x_alloc_device() to see how this value is set). |
| 507 | */ |
| 508 | void et131x_tx_timeout(struct net_device *netdev) |
| 509 | { |
Alan Cox | 25ad00b | 2009-08-19 18:21:44 +0100 | [diff] [blame] | 510 | struct et131x_adapter *etdev = netdev_priv(netdev); |
Alan Cox | b711b2e | 2009-10-06 15:48:33 +0100 | [diff] [blame] | 511 | struct tcb *tcb; |
Alan Cox | 3762860 | 2009-08-19 18:21:50 +0100 | [diff] [blame] | 512 | unsigned long flags; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 513 | |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 514 | /* Just skip this part if the adapter is doing link detection */ |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 515 | if (etdev->Flags & fMP_ADAPTER_LINK_DETECTION) |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 516 | return; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 517 | |
| 518 | /* Any nonrecoverable hardware error? |
| 519 | * Checks adapter->flags for any failure in phy reading |
| 520 | */ |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 521 | if (etdev->Flags & fMP_ADAPTER_NON_RECOVER_ERROR) |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 522 | return; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 523 | |
| 524 | /* Hardware failure? */ |
Alan Cox | f6b35d6 | 2009-08-27 11:02:05 +0100 | [diff] [blame] | 525 | if (etdev->Flags & fMP_ADAPTER_HARDWARE_ERROR) { |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 526 | dev_err(&etdev->pdev->dev, "hardware error - reset\n"); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 527 | return; |
| 528 | } |
| 529 | |
| 530 | /* Is send stuck? */ |
Alan Cox | 3762860 | 2009-08-19 18:21:50 +0100 | [diff] [blame] | 531 | spin_lock_irqsave(&etdev->TCBSendQLock, flags); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 532 | |
Alan Cox | c78732a | 2009-10-06 15:49:45 +0100 | [diff] [blame] | 533 | tcb = etdev->tx_ring.send_head; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 534 | |
Alan Cox | b711b2e | 2009-10-06 15:48:33 +0100 | [diff] [blame] | 535 | if (tcb != NULL) { |
Alan Cox | c78732a | 2009-10-06 15:49:45 +0100 | [diff] [blame] | 536 | tcb->count++; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 537 | |
Alan Cox | c78732a | 2009-10-06 15:49:45 +0100 | [diff] [blame] | 538 | if (tcb->count > NIC_SEND_HANG_THRESHOLD) { |
Alan Cox | 25ad00b | 2009-08-19 18:21:44 +0100 | [diff] [blame] | 539 | spin_unlock_irqrestore(&etdev->TCBSendQLock, |
Alan Cox | 3762860 | 2009-08-19 18:21:50 +0100 | [diff] [blame] | 540 | flags); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 541 | |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 542 | dev_warn(&etdev->pdev->dev, |
Alan Cox | b711b2e | 2009-10-06 15:48:33 +0100 | [diff] [blame] | 543 | "Send stuck - reset. tcb->WrIndex %x, Flags 0x%08x\n", |
Alan Cox | c78732a | 2009-10-06 15:49:45 +0100 | [diff] [blame] | 544 | tcb->index, |
| 545 | tcb->flags); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 546 | |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 547 | et131x_close(netdev); |
| 548 | et131x_open(netdev); |
| 549 | |
| 550 | return; |
| 551 | } |
| 552 | } |
| 553 | |
Alan Cox | 3762860 | 2009-08-19 18:21:50 +0100 | [diff] [blame] | 554 | spin_unlock_irqrestore(&etdev->TCBSendQLock, flags); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 555 | } |
| 556 | |
| 557 | /** |
| 558 | * et131x_change_mtu - The handler called to change the MTU for the device |
| 559 | * @netdev: device whose MTU is to be changed |
| 560 | * @new_mtu: the desired MTU |
| 561 | * |
| 562 | * Returns 0 on success, errno on failure (as defined in errno.h) |
| 563 | */ |
| 564 | int et131x_change_mtu(struct net_device *netdev, int new_mtu) |
| 565 | { |
| 566 | int result = 0; |
| 567 | struct et131x_adapter *adapter = netdev_priv(netdev); |
| 568 | |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 569 | /* Make sure the requested MTU is valid */ |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 570 | if (new_mtu < 64 || new_mtu > 9216) |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 571 | return -EINVAL; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 572 | |
| 573 | /* Stop the netif queue */ |
| 574 | netif_stop_queue(netdev); |
| 575 | |
| 576 | /* Stop the Tx and Rx DMA engines */ |
| 577 | et131x_rx_dma_disable(adapter); |
| 578 | et131x_tx_dma_disable(adapter); |
| 579 | |
| 580 | /* Disable device interrupts */ |
| 581 | et131x_disable_interrupts(adapter); |
| 582 | et131x_handle_send_interrupt(adapter); |
| 583 | et131x_handle_recv_interrupt(adapter); |
| 584 | |
| 585 | /* Set the new MTU */ |
| 586 | netdev->mtu = new_mtu; |
| 587 | |
| 588 | /* Free Rx DMA memory */ |
| 589 | et131x_adapter_memory_free(adapter); |
| 590 | |
| 591 | /* Set the config parameter for Jumbo Packet support */ |
| 592 | adapter->RegistryJumboPacket = new_mtu + 14; |
| 593 | et131x_soft_reset(adapter); |
| 594 | |
| 595 | /* Alloc and init Rx DMA memory */ |
| 596 | result = et131x_adapter_memory_alloc(adapter); |
| 597 | if (result != 0) { |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 598 | dev_warn(&adapter->pdev->dev, |
Alan Cox | 64f9303 | 2009-06-10 17:30:41 +0100 | [diff] [blame] | 599 | "Change MTU failed; couldn't re-alloc DMA memory\n"); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 600 | return result; |
| 601 | } |
| 602 | |
| 603 | et131x_init_send(adapter); |
| 604 | |
Alan Cox | c431e3c | 2009-10-06 15:47:41 +0100 | [diff] [blame] | 605 | et131x_hwaddr_init(adapter); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 606 | memcpy(netdev->dev_addr, adapter->CurrentAddress, ETH_ALEN); |
| 607 | |
| 608 | /* Init the device with the new settings */ |
| 609 | et131x_adapter_setup(adapter); |
| 610 | |
| 611 | /* Enable interrupts */ |
Alan Cox | f6b35d6 | 2009-08-27 11:02:05 +0100 | [diff] [blame] | 612 | if (adapter->Flags & fMP_ADAPTER_INTERRUPT_IN_USE) |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 613 | et131x_enable_interrupts(adapter); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 614 | |
| 615 | /* Restart the Tx and Rx DMA engines */ |
| 616 | et131x_rx_dma_enable(adapter); |
| 617 | et131x_tx_dma_enable(adapter); |
| 618 | |
| 619 | /* Restart the netif queue */ |
| 620 | netif_wake_queue(netdev); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 621 | return result; |
| 622 | } |
| 623 | |
| 624 | /** |
| 625 | * et131x_set_mac_addr - handler to change the MAC address for the device |
| 626 | * @netdev: device whose MAC is to be changed |
| 627 | * @new_mac: the desired MAC address |
| 628 | * |
| 629 | * Returns 0 on success, errno on failure (as defined in errno.h) |
| 630 | * |
| 631 | * IMPLEMENTED BY : blux http://berndlux.de 22.01.2007 21:14 |
| 632 | */ |
| 633 | int et131x_set_mac_addr(struct net_device *netdev, void *new_mac) |
| 634 | { |
| 635 | int result = 0; |
| 636 | struct et131x_adapter *adapter = netdev_priv(netdev); |
| 637 | struct sockaddr *address = new_mac; |
| 638 | |
Alan Cox | 64f9303 | 2009-06-10 17:30:41 +0100 | [diff] [blame] | 639 | /* begin blux */ |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 640 | |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 641 | if (adapter == NULL) |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 642 | return -ENODEV; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 643 | |
| 644 | /* Make sure the requested MAC is valid */ |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 645 | if (!is_valid_ether_addr(address->sa_data)) |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 646 | return -EINVAL; |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 647 | |
| 648 | /* Stop the netif queue */ |
| 649 | netif_stop_queue(netdev); |
| 650 | |
| 651 | /* Stop the Tx and Rx DMA engines */ |
| 652 | et131x_rx_dma_disable(adapter); |
| 653 | et131x_tx_dma_disable(adapter); |
| 654 | |
| 655 | /* Disable device interrupts */ |
| 656 | et131x_disable_interrupts(adapter); |
| 657 | et131x_handle_send_interrupt(adapter); |
| 658 | et131x_handle_recv_interrupt(adapter); |
| 659 | |
| 660 | /* Set the new MAC */ |
Alan Cox | 64f9303 | 2009-06-10 17:30:41 +0100 | [diff] [blame] | 661 | /* netdev->set_mac_address = &new_mac; */ |
| 662 | /* netdev->mtu = new_mtu; */ |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 663 | |
| 664 | memcpy(netdev->dev_addr, address->sa_data, netdev->addr_len); |
| 665 | |
H Hartley Sweeten | 28a2333 | 2009-12-28 19:21:34 -0500 | [diff] [blame] | 666 | printk(KERN_INFO "%s: Setting MAC address to %pM\n", |
| 667 | netdev->name, netdev->dev_addr); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 668 | |
| 669 | /* Free Rx DMA memory */ |
| 670 | et131x_adapter_memory_free(adapter); |
| 671 | |
| 672 | /* Set the config parameter for Jumbo Packet support */ |
Alan Cox | 64f9303 | 2009-06-10 17:30:41 +0100 | [diff] [blame] | 673 | /* adapter->RegistryJumboPacket = new_mtu + 14; */ |
| 674 | /* blux: not needet here, we'll change the MAC */ |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 675 | |
| 676 | et131x_soft_reset(adapter); |
| 677 | |
| 678 | /* Alloc and init Rx DMA memory */ |
| 679 | result = et131x_adapter_memory_alloc(adapter); |
| 680 | if (result != 0) { |
Alan Cox | 1570003 | 2009-08-27 11:03:09 +0100 | [diff] [blame] | 681 | dev_err(&adapter->pdev->dev, |
Alan Cox | 64f9303 | 2009-06-10 17:30:41 +0100 | [diff] [blame] | 682 | "Change MAC failed; couldn't re-alloc DMA memory\n"); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 683 | return result; |
| 684 | } |
| 685 | |
| 686 | et131x_init_send(adapter); |
| 687 | |
Alan Cox | c431e3c | 2009-10-06 15:47:41 +0100 | [diff] [blame] | 688 | et131x_hwaddr_init(adapter); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 689 | |
| 690 | /* Init the device with the new settings */ |
| 691 | et131x_adapter_setup(adapter); |
| 692 | |
| 693 | /* Enable interrupts */ |
Alan Cox | f6b35d6 | 2009-08-27 11:02:05 +0100 | [diff] [blame] | 694 | if (adapter->Flags & fMP_ADAPTER_INTERRUPT_IN_USE) |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 695 | et131x_enable_interrupts(adapter); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 696 | |
| 697 | /* Restart the Tx and Rx DMA engines */ |
| 698 | et131x_rx_dma_enable(adapter); |
| 699 | et131x_tx_dma_enable(adapter); |
| 700 | |
| 701 | /* Restart the netif queue */ |
| 702 | netif_wake_queue(netdev); |
Greg Kroah-Hartman | cfb739b | 2008-04-03 17:30:53 -0700 | [diff] [blame] | 703 | return result; |
| 704 | } |