diff options
Diffstat (limited to 'drivers/staging/et131x/et131x_netdev.c')
| -rw-r--r-- | drivers/staging/et131x/et131x_netdev.c | 856 |
1 files changed, 856 insertions, 0 deletions
diff --git a/drivers/staging/et131x/et131x_netdev.c b/drivers/staging/et131x/et131x_netdev.c new file mode 100644 index 00000000000..de65972ff36 --- /dev/null +++ b/drivers/staging/et131x/et131x_netdev.c @@ -0,0 +1,856 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et131x_netdev.c - Routines and data required by all Linux network devices. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#include "et131x_version.h" +#include "et131x_debug.h" +#include "et131x_defs.h" + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/kernel.h> + +#include <linux/sched.h> +#include <linux/ptrace.h> +#include <linux/slab.h> +#include <linux/ctype.h> +#include <linux/string.h> +#include <linux/timer.h> +#include <linux/interrupt.h> +#include <linux/in.h> +#include <linux/delay.h> +#include <asm/io.h> +#include <asm/system.h> +#include <asm/bitops.h> + +#include <linux/mii.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/if_arp.h> +#include <linux/ioport.h> + +#include "et1310_phy.h" +#include "et1310_pm.h" +#include "et1310_jagcore.h" +#include "et1310_mac.h" +#include "et1310_tx.h" + +#include "et131x_adapter.h" +#include "et131x_isr.h" +#include "et131x_initpci.h" + +/* Data for debugging facilities */ +#ifdef CONFIG_ET131X_DEBUG +extern dbg_info_t *et131x_dbginfo; +#endif /* CONFIG_ET131X_DEBUG */ + +struct net_device_stats *et131x_stats(struct net_device *netdev); +int et131x_open(struct net_device *netdev); +int et131x_close(struct net_device *netdev); +int et131x_ioctl(struct net_device *netdev, struct ifreq *reqbuf, int cmd); +void et131x_multicast(struct net_device *netdev); +int et131x_tx(struct sk_buff *skb, struct net_device *netdev); +void et131x_tx_timeout(struct net_device *netdev); +int et131x_change_mtu(struct net_device *netdev, int new_mtu); +int et131x_set_mac_addr(struct net_device *netdev, void *new_mac); +void et131x_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp); +void et131x_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid); +void et131x_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid); + +/** + * et131x_device_alloc + * + * Returns pointer to the allocated and initialized net_device struct for + * this device. + * + * Create instances of net_device and wl_private for the new adapter and + * register the device's entry points in the net_device structure. + */ +struct net_device *et131x_device_alloc(void) +{ + struct net_device *netdev; + + DBG_ENTER(et131x_dbginfo); + + /* Alloc net_device and adapter structs */ + netdev = alloc_etherdev(sizeof(struct et131x_adapter)); + + if (netdev == NULL) { + DBG_ERROR(et131x_dbginfo, + "Alloc of net_device struct failed\n"); + DBG_LEAVE(et131x_dbginfo); + return NULL; + } + + /* Setup the function registration table (and other data) for a + * net_device + */ + //netdev->init = &et131x_init; + //netdev->set_config = &et131x_config; + netdev->get_stats = &et131x_stats; + netdev->open = &et131x_open; + netdev->stop = &et131x_close; + netdev->do_ioctl = &et131x_ioctl; + netdev->set_multicast_list = &et131x_multicast; + netdev->hard_start_xmit = &et131x_tx; + netdev->tx_timeout = &et131x_tx_timeout; + netdev->watchdog_timeo = ET131X_TX_TIMEOUT; + netdev->change_mtu = &et131x_change_mtu; + netdev->set_mac_address = &et131x_set_mac_addr; + + //netdev->ethtool_ops = &et131x_ethtool_ops; + + // Poll? + //netdev->poll = &et131x_poll; + //netdev->poll_controller = &et131x_poll_controller; + + DBG_LEAVE(et131x_dbginfo); + return netdev; +} + +/** + * et131x_stats - Return the current device statistics. + * @netdev: device whose stats are being queried + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +struct net_device_stats *et131x_stats(struct net_device *netdev) +{ + struct et131x_adapter *adapter = netdev_priv(netdev); + struct net_device_stats *stats = &adapter->net_stats; + CE_STATS_t *devstat = &adapter->Stats; + + DBG_ENTER(et131x_dbginfo); + + stats->rx_packets = devstat->ipackets; + stats->tx_packets = devstat->opackets; + stats->rx_errors = devstat->length_err + devstat->alignment_err + + devstat->crc_err + devstat->code_violations + devstat->other_errors; + stats->tx_errors = devstat->max_pkt_error; + stats->multicast = devstat->multircv; + stats->collisions = devstat->collisions; + + stats->rx_length_errors = devstat->length_err; + stats->rx_over_errors = devstat->rx_ov_flow; + stats->rx_crc_errors = devstat->crc_err; + + // NOTE: These stats don't have corresponding values in CE_STATS, so we're + // going to have to update these directly from within the TX/RX code + //stats->rx_bytes = 20; //devstat->; + //stats->tx_bytes = 20; //devstat->; + //stats->rx_dropped = devstat->; + //stats->tx_dropped = devstat->; + + // NOTE: Not used, can't find analogous statistics + //stats->rx_frame_errors = devstat->; + //stats->rx_fifo_errors = devstat->; + //stats->rx_missed_errors = devstat->; + + //stats->tx_aborted_errors = devstat->; + //stats->tx_carrier_errors = devstat->; + //stats->tx_fifo_errors = devstat->; + //stats->tx_heartbeat_errors = devstat->; + //stats->tx_window_errors = devstat->; + + DBG_LEAVE(et131x_dbginfo); + return stats; +} + +/** + * et131x_open - Open the device for use. + * @netdev: device to be opened + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int et131x_open(struct net_device *netdev) +{ + int result = 0; + struct et131x_adapter *adapter = netdev_priv(netdev); + + DBG_ENTER(et131x_dbginfo); + + /* Start the timer to track NIC errors */ + add_timer(&adapter->ErrorTimer); + + /* Register our ISR */ + DBG_TRACE(et131x_dbginfo, "Registering ISR...\n"); + + result = + request_irq(netdev->irq, et131x_isr, IRQF_SHARED, netdev->name, + netdev); + if (result) { + DBG_ERROR(et131x_dbginfo, "Could not register ISR\n"); + DBG_LEAVE(et131x_dbginfo); + return result; + } + + /* Enable the Tx and Rx DMA engines (if not already enabled) */ + et131x_rx_dma_enable(adapter); + et131x_tx_dma_enable(adapter); + + /* Enable device interrupts */ + et131x_enable_interrupts(adapter); + + MP_SET_FLAG(adapter, fMP_ADAPTER_INTERRUPT_IN_USE); + + /* We're ready to move some data, so start the queue */ + netif_start_queue(netdev); + + DBG_LEAVE(et131x_dbginfo); + return result; +} + +/** + * et131x_close - Close the device + * @netdev: device to be closed + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int et131x_close(struct net_device *netdev) +{ + struct et131x_adapter *adapter = netdev_priv(netdev); + + DBG_ENTER(et131x_dbginfo); + + /* First thing is to stop the queue */ + netif_stop_queue(netdev); + + /* Stop the Tx and Rx DMA engines */ + et131x_rx_dma_disable(adapter); + et131x_tx_dma_disable(adapter); + + /* Disable device interrupts */ + et131x_disable_interrupts(adapter); + + /* Deregistering ISR */ + MP_CLEAR_FLAG(adapter, fMP_ADAPTER_INTERRUPT_IN_USE); + + DBG_TRACE(et131x_dbginfo, "Deregistering ISR...\n"); + free_irq(netdev->irq, netdev); + + /* Stop the error timer */ + del_timer_sync(&adapter->ErrorTimer); + + DBG_LEAVE(et131x_dbginfo); + return 0; +} + +/** + * et131x_ioctl_mii - The function which handles MII IOCTLs + * @netdev: device on which the query is being made + * @reqbuf: the request-specific data buffer + * @cmd: the command request code + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int et131x_ioctl_mii(struct net_device *netdev, struct ifreq *reqbuf, int cmd) +{ + int status = 0; + struct et131x_adapter *pAdapter = netdev_priv(netdev); + struct mii_ioctl_data *data = if_mii(reqbuf); + + DBG_ENTER(et131x_dbginfo); + + switch (cmd) { + case SIOCGMIIPHY: + DBG_VERBOSE(et131x_dbginfo, "SIOCGMIIPHY\n"); + data->phy_id = pAdapter->Stats.xcvr_addr; + break; + + case SIOCGMIIREG: + DBG_VERBOSE(et131x_dbginfo, "SIOCGMIIREG\n"); + if (!capable(CAP_NET_ADMIN)) { + status = -EPERM; + } else { + status = MiRead(pAdapter, + data->reg_num, &data->val_out); + } + break; + + case SIOCSMIIREG: + DBG_VERBOSE(et131x_dbginfo, "SIOCSMIIREG\n"); + if (!capable(CAP_NET_ADMIN)) { + status = -EPERM; + } else { + status = MiWrite(pAdapter, data->reg_num, + data->val_in); + } + break; + + default: + status = -EOPNOTSUPP; + } + + DBG_LEAVE(et131x_dbginfo); + return status; +} + +/** + * et131x_ioctl - The I/O Control handler for the driver + * @netdev: device on which the control request is being made + * @reqbuf: a pointer to the IOCTL request buffer + * @cmd: the IOCTL command code + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int et131x_ioctl(struct net_device *netdev, struct ifreq *reqbuf, int cmd) +{ + int status = 0; + + DBG_ENTER(et131x_dbginfo); + + switch (cmd) { + case SIOCGMIIPHY: + case SIOCGMIIREG: + case SIOCSMIIREG: + status = et131x_ioctl_mii(netdev, reqbuf, cmd); + break; + + default: + DBG_WARNING(et131x_dbginfo, "Unhandled IOCTL Code: 0x%04x\n", + cmd); + status = -EOPNOTSUPP; + } + + DBG_LEAVE(et131x_dbginfo); + return status; +} + +/** + * et131x_set_packet_filter - Configures the Rx Packet filtering on the device + * @adapter: pointer to our private adapter structure + * + * Returns 0 on success, errno on failure + */ +int et131x_set_packet_filter(struct et131x_adapter *adapter) +{ + int status = 0; + uint32_t filter = adapter->PacketFilter; + RXMAC_CTRL_t ctrl; + RXMAC_PF_CTRL_t pf_ctrl; + + DBG_ENTER(et131x_dbginfo); + + ctrl.value = readl(&adapter->CSRAddress->rxmac.ctrl.value); + pf_ctrl.value = readl(&adapter->CSRAddress->rxmac.pf_ctrl.value); + + /* Default to disabled packet filtering. Enable it in the individual + * case statements that require the device to filter something + */ + ctrl.bits.pkt_filter_disable = 1; + + /* Set us to be in promiscuous mode so we receive everything, this + * is also true when we get a packet filter of 0 + */ + if ((filter & ET131X_PACKET_TYPE_PROMISCUOUS) || filter == 0) { + pf_ctrl.bits.filter_broad_en = 0; + pf_ctrl.bits.filter_multi_en = 0; + pf_ctrl.bits.filter_uni_en = 0; + } else { + /* + * Set us up with Multicast packet filtering. Three cases are + * possible - (1) we have a multi-cast list, (2) we receive ALL + * multicast entries or (3) we receive none. + */ + if (filter & ET131X_PACKET_TYPE_ALL_MULTICAST) { + DBG_VERBOSE(et131x_dbginfo, + "Multicast filtering OFF (Rx ALL MULTICAST)\n"); + pf_ctrl.bits.filter_multi_en = 0; + } else { + DBG_VERBOSE(et131x_dbginfo, "Multicast filtering ON\n"); + SetupDeviceForMulticast(adapter); + pf_ctrl.bits.filter_multi_en = 1; + ctrl.bits.pkt_filter_disable = 0; + } + + /* Set us up with Unicast packet filtering */ + if (filter & ET131X_PACKET_TYPE_DIRECTED) { + DBG_VERBOSE(et131x_dbginfo, "Unicast Filtering ON\n"); + SetupDeviceForUnicast(adapter); + pf_ctrl.bits.filter_uni_en = 1; + ctrl.bits.pkt_filter_disable = 0; + } + + /* Set us up with Broadcast packet filtering */ + if (filter & ET131X_PACKET_TYPE_BROADCAST) { + DBG_VERBOSE(et131x_dbginfo, "Broadcast Filtering ON\n"); + pf_ctrl.bits.filter_broad_en = 1; + ctrl.bits.pkt_filter_disable = 0; + } else { + DBG_VERBOSE(et131x_dbginfo, + "Broadcast Filtering OFF\n"); + pf_ctrl.bits.filter_broad_en = 0; + } + + /* Setup the receive mac configuration registers - Packet + * Filter control + the enable / disable for packet filter + * in the control reg. + */ + writel(pf_ctrl.value, + &adapter->CSRAddress->rxmac.pf_ctrl.value); + writel(ctrl.value, &adapter->CSRAddress->rxmac.ctrl.value); + } + + DBG_LEAVE(et131x_dbginfo); + return status; +} + +/** + * et131x_multicast - The handler to configure multicasting on the interface + * @netdev: a pointer to a net_device struct representing the device + */ +void et131x_multicast(struct net_device *netdev) +{ + struct et131x_adapter *adapter = netdev_priv(netdev); + uint32_t PacketFilter = 0; + uint32_t count; + unsigned long lockflags; + struct dev_mc_list *mclist = netdev->mc_list; + + DBG_ENTER(et131x_dbginfo); + + spin_lock_irqsave(&adapter->Lock, lockflags); + + /* Before we modify the platform-independent filter flags, store them + * locally. This allows us to determine if anything's changed and if + * we even need to bother the hardware + */ + PacketFilter = adapter->PacketFilter; + + /* Clear the 'multicast' flag locally; becuase we only have a single + * flag to check multicast, and multiple multicast addresses can be + * set, this is the easiest way to determine if more than one + * multicast address is being set. + */ + PacketFilter &= ~ET131X_PACKET_TYPE_MULTICAST; + + /* Check the net_device flags and set the device independent flags + * accordingly + */ + DBG_VERBOSE(et131x_dbginfo, + "MULTICAST ADDR COUNT: %d\n", netdev->mc_count); + + if (netdev->flags & IFF_PROMISC) { + DBG_VERBOSE(et131x_dbginfo, "Request: PROMISCUOUS MODE ON\n"); + adapter->PacketFilter |= ET131X_PACKET_TYPE_PROMISCUOUS; + } else { + DBG_VERBOSE(et131x_dbginfo, "Request: PROMISCUOUS MODE OFF\n"); + adapter->PacketFilter &= ~ET131X_PACKET_TYPE_PROMISCUOUS; + } + + if (netdev->flags & IFF_ALLMULTI) { + DBG_VERBOSE(et131x_dbginfo, "Request: ACCEPT ALL MULTICAST\n"); + adapter->PacketFilter |= ET131X_PACKET_TYPE_ALL_MULTICAST; + } + + if (netdev->mc_count > NIC_MAX_MCAST_LIST) { + DBG_WARNING(et131x_dbginfo, + "ACCEPT ALL MULTICAST for now, as there's more Multicast " + "addresses than the HW supports\n"); + + adapter->PacketFilter |= ET131X_PACKET_TYPE_ALL_MULTICAST; + } + + if (netdev->mc_count < 1) { + DBG_VERBOSE(et131x_dbginfo, "Request: REJECT ALL MULTICAST\n"); + adapter->PacketFilter &= ~ET131X_PACKET_TYPE_ALL_MULTICAST; + adapter->PacketFilter &= ~ET131X_PACKET_TYPE_MULTICAST; + } else { + DBG_VERBOSE(et131x_dbginfo, + "Request: SET MULTICAST FILTER(S)\n"); + adapter->PacketFilter |= ET131X_PACKET_TYPE_MULTICAST; + } + + /* Set values in the private adapter struct */ + adapter->MCAddressCount = netdev->mc_count; + + if (netdev->mc_count) { + if (mclist->dmi_addrlen != ETH_ALEN) { + DBG_WARNING(et131x_dbginfo, + "Multicast addrs are not ETH_ALEN in size\n"); + } else { + count = netdev->mc_count - 1; + memcpy(adapter->MCList[count], mclist->dmi_addr, + ETH_ALEN); + } + } + + /* Are the new flags different from the previous ones? If not, then no + * action is required + * + * NOTE - This block will always update the MCList with the hardware, + * even if the addresses aren't the same. + */ + if (PacketFilter != adapter->PacketFilter) { + /* Call the device's filter function */ + DBG_VERBOSE(et131x_dbginfo, "UPDATE REQUIRED, FLAGS changed\n"); + + et131x_set_packet_filter(adapter); + } else { + DBG_VERBOSE(et131x_dbginfo, + "NO UPDATE REQUIRED, FLAGS didn't change\n"); + } + + spin_unlock_irqrestore(&adapter->Lock, lockflags); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * et131x_tx - The handler to tx a packet on the device + * @skb: data to be Tx'd + * @netdev: device on which data is to be Tx'd + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int et131x_tx(struct sk_buff *skb, struct net_device *netdev) +{ + int status = 0; + + DBG_TX_ENTER(et131x_dbginfo); + + /* Save the timestamp for the TX timeout watchdog */ + netdev->trans_start = jiffies; + + /* Call the device-specific data Tx routine */ + status = et131x_send_packets(skb, netdev); + + /* Check status and manage the netif queue if necessary */ + if (status != 0) { + if (status == -ENOMEM) { + DBG_VERBOSE(et131x_dbginfo, + "OUT OF TCBs; STOP NETIF QUEUE\n"); + + /* Put the queue to sleep until resources are + * available + */ + netif_stop_queue(netdev); + status = 1; + } else { + DBG_WARNING(et131x_dbginfo, + "Misc error; drop packet\n"); + status = 0; + } + } + + DBG_TX_LEAVE(et131x_dbginfo); + return status; +} + +/** + * et131x_tx_timeout - Timeout handler + * @netdev: a pointer to a net_device struct representing the device + * + * The handler called when a Tx request times out. The timeout period is + * specified by the 'tx_timeo" element in the net_device structure (see + * et131x_alloc_device() to see how this value is set). + */ +void et131x_tx_timeout(struct net_device *netdev) +{ + struct et131x_adapter *pAdapter = netdev_priv(netdev); + PMP_TCB pMpTcb; + unsigned long lockflags; + + DBG_WARNING(et131x_dbginfo, "TX TIMEOUT\n"); + + /* Just skip this part if the adapter is doing link detection */ + if (MP_TEST_FLAG(pAdapter, fMP_ADAPTER_LINK_DETECTION)) { + DBG_ERROR(et131x_dbginfo, "Still doing link detection\n"); + return; + } + + /* Any nonrecoverable hardware error? + * Checks adapter->flags for any failure in phy reading + */ + if (MP_TEST_FLAG(pAdapter, fMP_ADAPTER_NON_RECOVER_ERROR)) { + DBG_WARNING(et131x_dbginfo, "Non recoverable error - remove\n"); + return; + } + + /* Hardware failure? */ + if (MP_TEST_FLAG(pAdapter, fMP_ADAPTER_HARDWARE_ERROR)) { + DBG_WARNING(et131x_dbginfo, "hardware error - reset\n"); + return; + } + + /* Is send stuck? */ + spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags); + + pMpTcb = pAdapter->TxRing.CurrSendHead; + + if (pMpTcb != NULL) { + pMpTcb->Count++; + + if (pMpTcb->Count > NIC_SEND_HANG_THRESHOLD) { +#ifdef CONFIG_ET131X_DEBUG + TX_STATUS_BLOCK_t txDmaComplete = + *(pAdapter->TxRing.pTxStatusVa); + PTX_DESC_ENTRY_t pDesc = + pAdapter->TxRing.pTxDescRingVa + + pMpTcb->WrIndex.bits.val; +#endif + TX_DESC_ENTRY_t StuckDescriptors[10]; + + if (pMpTcb->WrIndex.bits.val > 7) { + memcpy(StuckDescriptors, + pAdapter->TxRing.pTxDescRingVa + + pMpTcb->WrIndex.bits.val - 6, + sizeof(TX_DESC_ENTRY_t) * 10); + } + + spin_unlock_irqrestore(&pAdapter->TCBSendQLock, + lockflags); + + DBG_WARNING(et131x_dbginfo, + "Send stuck - reset. pMpTcb->WrIndex %x, Flags 0x%08x\n", + pMpTcb->WrIndex.bits.val, + pMpTcb->Flags); + + DBG_WARNING(et131x_dbginfo, + "pDesc 0x%08x, 0x%08x, 0x%08x, 0x%08x\n", + pDesc->DataBufferPtrHigh, + pDesc->DataBufferPtrLow, pDesc->word2.value, + pDesc->word3.value); + + DBG_WARNING(et131x_dbginfo, + "WbStatus 0x%08x\n", txDmaComplete.value); + +#ifdef CONFIG_ET131X_DEBUG + DumpDeviceBlock(DBG_WARNING_ON, pAdapter, 0); + DumpDeviceBlock(DBG_WARNING_ON, pAdapter, 1); + DumpDeviceBlock(DBG_WARNING_ON, pAdapter, 3); + DumpDeviceBlock(DBG_WARNING_ON, pAdapter, 5); +#endif + et131x_close(netdev); + et131x_open(netdev); + + return; + } + } + + spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags); +} + +/** + * et131x_change_mtu - The handler called to change the MTU for the device + * @netdev: device whose MTU is to be changed + * @new_mtu: the desired MTU + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int et131x_change_mtu(struct net_device *netdev, int new_mtu) +{ + int result = 0; + struct et131x_adapter *adapter = netdev_priv(netdev); + + DBG_ENTER(et131x_dbginfo); + + /* Make sure the requested MTU is valid */ + if (new_mtu == 0 || new_mtu > 9216) { + DBG_LEAVE(et131x_dbginfo); + return -EINVAL; + } + + /* Stop the netif queue */ + netif_stop_queue(netdev); + + /* Stop the Tx and Rx DMA engines */ + et131x_rx_dma_disable(adapter); + et131x_tx_dma_disable(adapter); + + /* Disable device interrupts */ + et131x_disable_interrupts(adapter); + et131x_handle_send_interrupt(adapter); + et131x_handle_recv_interrupt(adapter); + + /* Set the new MTU */ + netdev->mtu = new_mtu; + + /* Free Rx DMA memory */ + et131x_adapter_memory_free(adapter); + + /* Set the config parameter for Jumbo Packet support */ + adapter->RegistryJumboPacket = new_mtu + 14; + et131x_soft_reset(adapter); + + /* Alloc and init Rx DMA memory */ + result = et131x_adapter_memory_alloc(adapter); + if (result != 0) { + DBG_WARNING(et131x_dbginfo, + "Change MTU failed; couldn't re-alloc DMA memory\n"); + return result; + } + + et131x_init_send(adapter); + + et131x_setup_hardware_properties(adapter); + memcpy(netdev->dev_addr, adapter->CurrentAddress, ETH_ALEN); + + /* Init the device with the new settings */ + et131x_adapter_setup(adapter); + + /* Enable interrupts */ + if (MP_TEST_FLAG(adapter, fMP_ADAPTER_INTERRUPT_IN_USE)) { + et131x_enable_interrupts(adapter); + } + + /* Restart the Tx and Rx DMA engines */ + et131x_rx_dma_enable(adapter); + et131x_tx_dma_enable(adapter); + + /* Restart the netif queue */ + netif_wake_queue(netdev); + + DBG_LEAVE(et131x_dbginfo); + return result; +} + +/** + * et131x_set_mac_addr - handler to change the MAC address for the device + * @netdev: device whose MAC is to be changed + * @new_mac: the desired MAC address + * + * Returns 0 on success, errno on failure (as defined in errno.h) + * + * IMPLEMENTED BY : blux http://berndlux.de 22.01.2007 21:14 + */ +int et131x_set_mac_addr(struct net_device *netdev, void *new_mac) +{ + int result = 0; + struct et131x_adapter *adapter = netdev_priv(netdev); + struct sockaddr *address = new_mac; + + DBG_ENTER(et131x_dbginfo); + // begin blux + // DBG_VERBOSE( et131x_dbginfo, "Function not implemented!!\n" ); + + if (adapter == NULL) { + DBG_LEAVE(et131x_dbginfo); + return -ENODEV; + } + + /* Make sure the requested MAC is valid */ + if (!is_valid_ether_addr(address->sa_data)) { + DBG_LEAVE(et131x_dbginfo); + return -EINVAL; + } + + /* Stop the netif queue */ + netif_stop_queue(netdev); + + /* Stop the Tx and Rx DMA engines */ + et131x_rx_dma_disable(adapter); + et131x_tx_dma_disable(adapter); + + /* Disable device interrupts */ + et131x_disable_interrupts(adapter); + et131x_handle_send_interrupt(adapter); + et131x_handle_recv_interrupt(adapter); + + /* Set the new MAC */ + // netdev->set_mac_address = &new_mac; + // netdev->mtu = new_mtu; + + memcpy(netdev->dev_addr, address->sa_data, netdev->addr_len); + + printk("%s: Setting MAC address to %02x:%02x:%02x:%02x:%02x:%02x\n", + netdev->name, netdev->dev_addr[0], netdev->dev_addr[1], + netdev->dev_addr[2], netdev->dev_addr[3], netdev->dev_addr[4], + netdev->dev_addr[5]); + + /* Free Rx DMA memory */ + et131x_adapter_memory_free(adapter); + + /* Set the config parameter for Jumbo Packet support */ + // adapter->RegistryJumboPacket = new_mtu + 14; + // blux: not needet here, w'll change the MAC + + et131x_soft_reset(adapter); + + /* Alloc and init Rx DMA memory */ + result = et131x_adapter_memory_alloc(adapter); + if (result != 0) { + DBG_WARNING(et131x_dbginfo, + "Change MAC failed; couldn't re-alloc DMA memory\n"); + return result; + } + + et131x_init_send(adapter); + + et131x_setup_hardware_properties(adapter); + // memcpy( netdev->dev_addr, adapter->CurrentAddress, ETH_ALEN ); + // blux: no, do not override our nice address + + /* Init the device with the new settings */ + et131x_adapter_setup(adapter); + + /* Enable interrupts */ + if (MP_TEST_FLAG(adapter, fMP_ADAPTER_INTERRUPT_IN_USE)) { + et131x_enable_interrupts(adapter); + } + + /* Restart the Tx and Rx DMA engines */ + et131x_rx_dma_enable(adapter); + et131x_tx_dma_enable(adapter); + + /* Restart the netif queue */ + netif_wake_queue(netdev); + + DBG_LEAVE(et131x_dbginfo); + return result; +} |