diff options
Diffstat (limited to 'recipes/ixp425-eth/ixp400-eth-1.4/ixp400-le-be.patch')
| -rw-r--r-- | recipes/ixp425-eth/ixp400-eth-1.4/ixp400-le-be.patch | 948 |
1 files changed, 0 insertions, 948 deletions
diff --git a/recipes/ixp425-eth/ixp400-eth-1.4/ixp400-le-be.patch b/recipes/ixp425-eth/ixp400-eth-1.4/ixp400-le-be.patch deleted file mode 100644 index 87d4337eb3..0000000000 --- a/recipes/ixp425-eth/ixp400-eth-1.4/ixp400-le-be.patch +++ /dev/null @@ -1,948 +0,0 @@ ---- ./.pc/ixp400-le-be.patch/ixp400_eth.c 2005-04-19 22:58:18.000000000 -0700 -+++ ./ixp400_eth.c 2005-10-23 23:29:06.760778566 -0700 -@@ -57,6 +57,7 @@ - #include <linux/mii.h> - #include <linux/socket.h> - #include <linux/cache.h> -+#include <linux/interrupt.h> - #include <asm/io.h> - #include <asm/errno.h> - #include <net/pkt_sched.h> -@@ -95,7 +96,7 @@ - MODULE_LICENSE("GPL"); - MODULE_AUTHOR("Intel Corporation"); - #define MODULE_NAME "ixp400_eth" --#define MODULE_VERSION "1.4" -+#define MODULE_VERSION_IXP400_ETH "1.4B" - - /* Module parameters */ - static int npe_learning = 1; /* default : NPE learning & filtering enable */ -@@ -358,8 +359,13 @@ - /* Used to stop the kernel thread for link monitoring. */ - volatile BOOL maintenanceCheckStopped; - -+ struct work_struct mii_job; -+ -+ - /* used for tx timeout */ -- struct tq_struct tq_timeout; -+ struct work_struct tx_timeout_job; -+ -+ - - /* used to control the message output */ - UINT32 devFlags; -@@ -557,6 +563,8 @@ - #endif - }; - -+static struct workqueue_struct *npe_eth_workqueue; -+ - /* Mutex lock used to coordinate access to IxEthAcc functions - * which manipulate the MII registers on the PHYs - */ -@@ -565,6 +573,11 @@ - /* mutex locked when maintenance is being performed */ - static struct semaphore *maintenance_mutex; - -+/* Flags which is set when corresponding NPE is running, -+ * cleared when NPE is stopped -+ */ -+static int npeRunning[IX_ETH_ACC_NUMBER_OF_PORTS]; -+ - /* Flags which is set when the corresponding IRQ is running, - */ - static int irq_pmu_used = 0; -@@ -1070,6 +1083,117 @@ - return 0; - } - -+/* -+ * WORKQUEUE JOBS -+ */ -+ -+/* This workqueue job will check the PHY for the link duplex and -+ * update the MAC accordingly. It also executes some buffer -+ * maintenance to release mbuf in excess or replenish after -+ * a severe starvation -+ * -+ * This function loops and wake up every 3 seconds. -+ */ -+static void dev_media_check_work(void* arg) -+{ -+ struct net_device *dev = (struct net_device *) arg; -+ priv_data_t *priv = dev->priv; -+ -+ TRACE; -+ -+ /* -+ * Determine the link status -+ */ -+ -+ if (default_phy_cfg[priv->port_id].linkMonitor) -+ { -+ int linkUp; -+ int speed100; -+ int fullDuplex = -1; /* unknown duplex mode */ -+ int newDuplex; -+ int autonegotiate; -+ unsigned phyNum = phyAddresses[priv->port_id]; -+ int res; -+ -+ TRACE; -+ -+ /* lock the MII register access mutex */ -+ down(miiAccessMutex); -+ -+ res = ixEthMiiLinkStatus(phyNum, -+ &linkUp, -+ &speed100, -+ &newDuplex, -+ &autonegotiate); -+ /* release the MII register access mutex */ -+ up(miiAccessMutex); -+ -+ if (res != IX_ETH_ACC_SUCCESS) -+ { -+ P_WARN("ixEthMiiLinkStatus failed on PHY%d.\n" -+ "\tCan't determine\nthe auto negotiated parameters. " -+ "Using default values.\n", -+ phyNum); -+ -+ /* this shouldn't happen. exit the thread if it does */ -+ goto out; -+ } -+ -+ if (linkUp) -+ { -+ if (! netif_carrier_ok(dev)) -+ { -+ /* inform the kernel of a change in link state */ -+ netif_carrier_on(dev); -+ } -+ -+ /* -+ * Update the MAC mode to match the PHY mode if -+ * there is a phy mode change. -+ */ -+ if (newDuplex != fullDuplex) -+ { -+ fullDuplex = newDuplex; -+ if (fullDuplex) -+ { -+ ixEthAccPortDuplexModeSet(priv->port_id, -+ IX_ETH_ACC_FULL_DUPLEX); -+ } -+ else -+ { -+ ixEthAccPortDuplexModeSet(priv->port_id, -+ IX_ETH_ACC_HALF_DUPLEX); -+ } -+ } -+ } -+ else -+ { -+ fullDuplex = -1; -+ if (netif_carrier_ok(dev)) -+ { -+ /* inform the kernel of a change in link state */ -+ netif_carrier_off(dev); -+ } -+ } -+ } -+ -+ TRACE; -+ -+ /* this is to prevent the rx pool from emptying when -+ * there's not enough memory for a long time -+ * It prevents also from holding the memory for too -+ * long -+ */ -+ dev_buff_maintenance(dev); -+ -+ /* reschedule to run in 3 seconds */ -+ queue_delayed_work(npe_eth_workqueue, &priv->mii_job, 3*HZ); -+ out: -+ return; -+} -+ -+ -+#define sigmask_lock sighand->siglock - - /* - * KERNEL THREADS -@@ -1122,11 +1246,11 @@ - */ - down (priv->maintenanceCheckThreadComplete); - -- daemonize(); -- reparent_to_init(); -+ daemonize("dev_media"); -+ // reparent_to_init(); - spin_lock_irq(¤t->sigmask_lock); - sigemptyset(¤t->blocked); -- recalc_sigpending(current); -+ recalc_sigpending(); - spin_unlock_irq(¤t->sigmask_lock); - - snprintf(current->comm, sizeof(current->comm), "ixp400 %s", dev->name); -@@ -1285,7 +1409,7 @@ - static void dev_pmu_timer_restart(void) - { - unsigned long flags; -- save_flags_cli(flags); -+ local_irq_save(flags); - __asm__(" mcr p14,0,%0,c1,c1,0\n" /* write current counter */ - : : "r" (timer_countup_ticks)); - -@@ -1294,13 +1418,13 @@ - " mcr p14,0,r1,c5,c1,0; " /* clear overflow */ - " mcr p14,0,r1,c4,c1,0\n" /* enable interrupts */ - : : : "r1"); -- restore_flags(flags); -+ local_irq_restore(flags); - } - - /* Internal ISR : run a few thousand times per second and calls - * the queue manager dispatcher entry point. - */ --static void dev_qmgr_os_isr(int irg, void *dev_id, struct pt_regs *regs) -+static irqreturn_t dev_qmgr_os_isr(int irg, void *dev_id, struct pt_regs *regs) - { - /* get the time of this interrupt : all buffers received during this - * interrupt will be assigned the same time */ -@@ -1308,22 +1432,32 @@ - - /* call the queue manager entry point */ - dispatcherFunc(IX_QMGR_QUELOW_GROUP); -+ return IRQ_HANDLED; - } - - /* Internal ISR : run a few thousand times per second and calls - * the ethernet entry point. - */ --static void dev_poll_os_isr(int irg, void *dev_id, struct pt_regs *regs) -+int icount = 2; -+static irqreturn_t dev_poll_os_isr(int irg, void *dev_id, struct pt_regs *regs) - { -- dev_pmu_timer_restart(); /* set up the timer for the next interrupt */ -+ if (icount > 0) { -+ icount--; -+ TRACE; -+ } - - /* get the time of this interrupt : all buffers received during this - * interrupt will be assigned the same time */ - do_gettimeofday(&irq_stamp); -- -+ if (icount) TRACE; - ixEthRxFrameQMCallback(rx_queue_id,0); -+ if (icount) TRACE; - ixEthTxFrameDoneQMCallback(0,0); -- -+ if (icount) TRACE; -+ /* here surely */ -+ dev_pmu_timer_restart(); /* set up the timer for the next interrupt */ -+ return IRQ_HANDLED; -+ - } - - /* initialize the PMU timer */ -@@ -1370,17 +1504,18 @@ - static void dev_pmu_timer_disable(void) - { - unsigned long flags; -- save_flags_cli(flags); -+ local_irq_save(flags); - __asm__(" mrc p14,0,r1,c4,c1,0; " /* get int enable register */ - " and r1,r1,#0x1e; " - " mcr p14,0,r1,c4,c1,0\n" /* disable interrupts */ - : : : "r1"); -- restore_flags(flags); -+ local_irq_restore(flags); - } - - /* This timer will call ixEthDBDatabaseMaintenance every - * IX_ETH_DB_MAINTENANCE_TIME jiffies - */ -+#if 0 - static void maintenance_timer_cb(unsigned long data); - - static struct timer_list maintenance_timer = { -@@ -1418,6 +1553,34 @@ - - maintenance_timer_set(); - } -+#endif -+static void db_maintenance_code(void *data); -+static DECLARE_WORK(db_maintenance_job, db_maintenance_code, NULL); -+ -+static inline -+void schedule_db_maintenance(void) -+{ -+ TRACE; -+ queue_delayed_work(npe_eth_workqueue, &db_maintenance_job, -+ DB_MAINTENANCE_TIME); -+} -+ -+static inline -+void cancel_db_maintenance(void) -+{ -+ TRACE; -+ cancel_delayed_work(&db_maintenance_job); -+} -+ -+static void db_maintenance_code(void *data) -+{ -+ TRACE; -+ down(maintenance_mutex); -+ ixEthDBDatabaseMaintenance(); -+ up(maintenance_mutex); -+ schedule_db_maintenance(); -+} -+ - - /* - * DATAPLANE -@@ -1531,7 +1694,7 @@ - * and its constants are taken from the eth_type_trans() - * function. - */ -- struct ethhdr *eth = skb->mac.ethernet; -+ struct ethhdr *eth = eth_hdr(skb); - unsigned short hproto = ntohs(eth->h_proto); - - if (hproto >= 1536) -@@ -1573,7 +1736,7 @@ - * mode is set This costs - * a lookup inside the packet payload. - */ -- struct ethhdr *eth = skb->mac.ethernet; -+ struct ethhdr *eth = eth_hdr(skb); - unsigned char *hdest = eth->h_dest; - - if (memcmp(hdest, dev->dev_addr, ETH_ALEN)!=0) -@@ -1632,7 +1795,7 @@ - dev = (struct net_device *)callbackTag; - priv = dev->priv; - -- qlevel = softnet_data[0].input_pkt_queue.qlen; -+ qlevel = __get_cpu_var(softnet_data).input_pkt_queue.qlen; - /* check if the system accepts more traffic and - * against chained mbufs - */ -@@ -1674,10 +1837,21 @@ - /* set the length of the received skb from the mbuf length */ - skb->tail = skb->data + len; - skb->len = len; -+ -+#ifndef __ARMEB__ -+ { -+ /* Byte swap all words containing data from the buffer. */ -+ unsigned long *p = (unsigned long*)((unsigned)skb->data & ~0x3); -+ unsigned long *e = (unsigned long*)(((unsigned)skb->data + skb->len + 3) & ~0x3); -+ while (p < e) -+ *p = ntohl(*p), ++p; -+ } -+#endif - - #ifdef DEBUG_DUMP - skb_dump("rx", skb); - #endif -+ - /* Set the skb protocol and set mcast/bcast flags */ - dev_eth_type_trans(mcastFlags, skb, dev); - -@@ -1821,6 +1995,39 @@ - spin_unlock_irq(&priv->lock); - } - -+/* start the NPEs */ -+static int npe_start(IxEthAccPortId port_id) -+{ -+ int res; -+ UINT32 npeImageId; -+ -+ switch (port_id) -+ { -+ case IX_ETH_PORT_1: -+ npeImageId = IX_ETH_NPE_B_IMAGE_ID; -+ break; -+ case IX_ETH_PORT_2: -+ npeImageId = IX_ETH_NPE_C_IMAGE_ID; -+ break; -+ default: -+ P_ERROR("Invalid port specified. IXP Ethernet NPE not started\n"); -+ return -ENODEV; -+ } -+ -+ /* Initialise and Start NPEs */ -+ if ((res = ixNpeDlNpeInitAndStart(npeImageId))) -+ { -+ P_ERROR("Error starting NPE for Ethernet port %d!\n", port_id); -+ return -1; -+ } -+ -+ /* set this flag to indicate that NPE is running */ -+ npeRunning[port_id] = 1; -+ -+ return 0; -+} -+ -+ - /* The QMgr dispatch entry point can be called from the - * IX_OSAL_IXP400_QM1_IRQ_LVL irq (which will trigger - * an interrupt for every packet) or a timer (which will -@@ -1906,7 +2113,16 @@ - IxEthAccMacAddr npeMacAddr; - priv_data_t *priv = dev->priv; - -- P_DEBUG("port_enable(%s)\n", dev->name); -+ P_DEBUG("port_enable(%s) %d\n", dev->name, priv->port_id); -+ -+ if (!npeRunning[priv->port_id]) -+ { -+ if ((res = npe_start(priv->port_id))) -+ { -+ TRACE; -+ return res; -+ } -+ } - - /* Set MAC addr in h/w (ethAcc checks for MAC address to be valid) */ - memcpy(&npeMacAddr.macAddress, -@@ -2085,6 +2301,16 @@ - return 0; - } - -+#ifndef __ARMEB__ -+ { -+ /* Byte swap all words containing data from the buffer. */ -+ unsigned long *p = (unsigned long*)((unsigned)skb->data & ~0x3); -+ unsigned long *e = (unsigned long*)(((unsigned)skb->data + skb->len + 3) & ~0x3); -+ while (p < e) -+ *p = ntohl(*p), ++p; -+ } -+#endif -+ - #ifdef DEBUG_DUMP - skb_dump("tx", skb); - #endif -@@ -2120,6 +2346,7 @@ - static int do_dev_open(struct net_device *dev) - { - int res; -+ TRACE; - - /* prevent the maintenance task from running while bringing up port */ - down(maintenance_mutex); -@@ -2151,6 +2378,27 @@ - } - - static void -+dev_tx_timeout_work(void* arg) -+{ -+ struct net_device *dev = (struct net_device *)arg; -+ priv_data_t *priv = dev->priv; -+ -+ P_ERROR("%s: Tx Timeout for port %d\n", dev->name, priv->port_id); -+ -+ down(maintenance_mutex); -+ port_disable(dev); -+ -+ /* Note to user: Consider performing other reset operations here (such as -+ * PHY reset), if it is known to help the Tx Flow to become "unstuck" -+ */ -+ -+ port_enable(dev); -+ up(maintenance_mutex); -+} -+ -+ -+ -+static void - dev_tx_timeout_task(void *dev_id) - { - struct net_device *dev = (struct net_device *)dev_id; -@@ -2191,7 +2439,7 @@ - priv_data_t *priv = dev->priv; - - TRACE; -- schedule_task(&priv->tq_timeout); -+ queue_work(npe_eth_workqueue, &priv->tx_timeout_job); - - } - -@@ -2352,7 +2600,8 @@ - - TRACE; - -- invalidate_dcache_range((unsigned int)ðStats, sizeof(ethStats)); -+ // invalidate_dcache_range((unsigned int)ðStats, sizeof(ethStats)); -+ IX_ACC_DATA_CACHE_INVALIDATE((unsigned int)ðStats, sizeof(ethStats)); - if ((res = ixEthAccMibIIStatsGetClear(priv->port_id, ðStats))) - { - P_ERROR("%s: ixEthAccMibIIStatsGet failed for port %d, res = %d\n", -@@ -2565,7 +2814,6 @@ - miiAccessMutex = (struct semaphore *) kmalloc(sizeof(struct semaphore), GFP_KERNEL); - if (!miiAccessMutex) - return -ENOMEM; -- - init_MUTEX(miiAccessMutex); - - TRACE; -@@ -2673,12 +2921,12 @@ - } - - /* set port MAC addr and update the dev struct if successfull */ --int dev_set_mac_address(struct net_device *dev, void *addr) -+int dev_set_mac_address(struct net_device *dev, struct sockaddr *saddr) - { - int res; - priv_data_t *priv = dev->priv; - IxEthAccMacAddr npeMacAddr; -- struct sockaddr *saddr = (struct sockaddr *)addr; -+ // struct sockaddr *saddr = (struct sockaddr *)addr; - - /* Get MAC addr from parameter */ - memcpy(&npeMacAddr.macAddress, -@@ -2751,35 +2999,16 @@ - /* Initialize device structs. - * Resource allocation is deffered until do_dev_open - */ --static int __devinit dev_eth_probe(struct net_device *dev) -+static int __devinit dev_eth_probe(struct device *_dev) - { -- static int found_devices = 0; -- priv_data_t *priv; -+ int res = -ENOMEM; -+ struct platform_device *pdev = to_platform_device(_dev); -+ struct net_device *ndev = dev_get_drvdata(_dev); -+ priv_data_t *priv = (priv_data_t*)ndev->priv; - - TRACE; - -- /* there is a limited number of devices */ -- if (found_devices >= dev_max_count) /* module parameter */ -- return -ENODEV; -- -- SET_MODULE_OWNER(dev); -- -- /* set device name */ -- sprintf(dev->name, DEVICE_NAME "%d", found_devices); -- -- /* allocate and initialize priv struct */ -- priv = dev->priv = kmalloc(sizeof(priv_data_t), GFP_KERNEL); -- if (dev->priv == NULL) -- return -ENOMEM; -- -- memset(dev->priv, 0, sizeof(priv_data_t)); -- -- TRACE; -- -- /* set the mapping between port ID and devices -- * -- */ -- priv->port_id = default_portId[found_devices]; -+ priv->port_id = pdev->id; - - TRACE; - -@@ -2789,9 +3018,8 @@ - if(priv->rx_pool == NULL) - { - P_ERROR("%s: Buffer RX Pool init failed on port %d\n", -- dev->name, priv->port_id); -- kfree(dev->priv); -- return -ENOMEM; -+ ndev->name, priv->port_id); -+ goto out; - } - - TRACE; -@@ -2802,45 +3030,45 @@ - if(priv->tx_pool == NULL) - { - P_ERROR("%s: Buffer TX Pool init failed on port %d\n", -- dev->name, priv->port_id); -- kfree(dev->priv); -- return -ENOMEM; -+ ndev->name, priv->port_id); -+ goto out; - } - -- TRACE; -- - /* initialise the MII register access mutex */ - priv->maintenanceCheckThreadComplete = (struct semaphore *) - kmalloc(sizeof(struct semaphore), GFP_KERNEL); - if (!priv->maintenanceCheckThreadComplete) - { -- kfree(dev->priv); -- return -ENOMEM; -+ P_ERROR("%s: Failed to allocate maintenance semaphore %d\n", -+ ndev->name, priv->port_id); -+ goto out; - } - priv->lock = SPIN_LOCK_UNLOCKED; - init_MUTEX(priv->maintenanceCheckThreadComplete); - priv->maintenanceCheckStopped = TRUE; - - /* initialize ethernet device (default handlers) */ -- ether_setup(dev); -+ ether_setup(ndev); - - TRACE; - -- /* fill in dev struct callbacks with customized handlers */ -- dev->open = do_dev_open; -- dev->stop = do_dev_stop; -+ INIT_WORK(&priv->mii_job, dev_media_check_work, ndev); -+ INIT_WORK(&priv->tx_timeout_job, dev_tx_timeout_work, ndev); - -- dev->hard_start_xmit = dev_hard_start_xmit; -- -- dev->watchdog_timeo = DEV_WATCHDOG_TIMEO; -- dev->tx_timeout = dev_tx_timeout; -- dev->change_mtu = dev_change_mtu; -- dev->do_ioctl = do_dev_ioctl; -- dev->get_stats = dev_get_stats; -- dev->set_multicast_list = dev_set_multicast_list; -- dev->flags |= IFF_MULTICAST; -+ TRACE; - -- dev->set_mac_address = dev_set_mac_address; -+ /* fill in dev struct callbacks with customized handlers */ -+ ndev->open = do_dev_open; -+ ndev->stop = do_dev_stop; -+ ndev->hard_start_xmit = dev_hard_start_xmit; -+ ndev->watchdog_timeo = DEV_WATCHDOG_TIMEO; -+ ndev->tx_timeout = dev_tx_timeout; -+ ndev->change_mtu = dev_change_mtu; -+ ndev->do_ioctl = do_dev_ioctl; -+ ndev->get_stats = dev_get_stats; -+ ndev->set_multicast_list = dev_set_multicast_list; -+ ndev->flags |= IFF_MULTICAST; -+ ndev->set_mac_address = dev_set_mac_address; - - TRACE; - -@@ -2858,22 +3086,22 @@ - * - */ - -- memcpy(dev->dev_addr, -+ memcpy(ndev->dev_addr, - &default_mac_addr[priv->port_id].macAddress, - IX_IEEE803_MAC_ADDRESS_SIZE); - - /* possibly remove this test and the message when a valid MAC address - * is not hardcoded in the driver source code. - */ -- if (is_valid_ether_addr(dev->dev_addr)) -+ if (is_valid_ether_addr(ndev->dev_addr)) - { - P_WARN("Use default MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x for port %d\n", -- (unsigned)dev->dev_addr[0], -- (unsigned)dev->dev_addr[1], -- (unsigned)dev->dev_addr[2], -- (unsigned)dev->dev_addr[3], -- (unsigned)dev->dev_addr[4], -- (unsigned)dev->dev_addr[5], -+ (unsigned)ndev->dev_addr[0], -+ (unsigned)ndev->dev_addr[1], -+ (unsigned)ndev->dev_addr[2], -+ (unsigned)ndev->dev_addr[3], -+ (unsigned)ndev->dev_addr[4], -+ (unsigned)ndev->dev_addr[5], - priv->port_id); - } - -@@ -2883,31 +3111,30 @@ - */ - TRACE; - -- dev_change_msdu(dev, dev->mtu + dev->hard_header_len + VLAN_HDR); -- -+ dev_change_msdu(ndev, ndev->mtu + ndev->hard_header_len + VLAN_HDR); -+#if 0 - priv->tq_timeout.routine = dev_tx_timeout_task; - priv->tq_timeout.data = (void *)dev; -- -+#endif - #ifdef CONFIG_IXP400_ETH_QDISC_ENABLED - /* configure and enable a fast TX queuing discipline */ - TRACE; - -- priv->qdisc = qdisc_create_dflt(dev, &dev_qdisc_ops); -- dev->qdisc_sleeping = priv->qdisc; -- dev->qdisc = priv->qdisc; -+ priv->qdisc = qdisc_create_dflt(ndev, &dev_qdisc_ops); -+ ndev->qdisc_sleeping = priv->qdisc; -+ ndev->qdisc = priv->qdisc; - -- if (!dev->qdisc_sleeping) -+ if (!ndev->qdisc_sleeping) - { - P_ERROR("%s: qdisc_create_dflt failed on port %d\n", -- dev->name, priv->port_id); -- kfree(dev->priv); -- return -ENOMEM; -+ ndev->name, priv->port_id); -+ goto out; - } - #endif - - /* set the internal maximum queueing capabilities */ -- dev->tx_queue_len = TX_MBUF_POOL_SIZE; -- -+ ndev->tx_queue_len = TX_MBUF_POOL_SIZE; -+#if 0 - if (!netif_queue_stopped(dev)) - { - TRACE; -@@ -2917,9 +3144,63 @@ - } - - found_devices++; -+#endif -+ if ((res = register_netdev(ndev))) -+ P_ERROR("Failed to register netdev. res = %d\n", res); - - TRACE; - -+ out: -+ return res; -+} -+ -+ -+static int __devinit npe_eth_init_device(struct device *dev) -+{ -+ int res = -ENOMEM; -+ struct platform_device *pdev = to_platform_device(dev); -+ struct net_device *ndev = alloc_etherdev(sizeof(priv_data_t)); -+ TRACE; -+ if (ndev == NULL) { -+ P_ERROR("could not allocate device.\n"); -+ goto out; -+ } -+ SET_MODULE_OWNER(ndev); -+ SET_NETDEV_DEV(ndev, dev); -+ ixEthAccTxSchedulingDisciplineSet(pdev->id, FIFO_NO_PRIORITY); -+ dev_set_drvdata(dev, ndev); -+ res = dev_eth_probe(dev); -+ if (res == 0) { -+ /* This was added in v0.1.8 of the driver. It seems that we need to -+ * enable the port before the user can set a mac address for the port -+ * using 'ifconfig hw ether ...'. To enable the port we must first -+ * register Q callbacks, so we register the portDisable callbacks to -+ * ensure that no buffers are passed up to the kernel until the port is -+ * brought up properly (ifconfig up) -+ */ -+ ixEthAccPortTxDoneCallbackRegister(pdev->id, -+ tx_done_disable_cb, -+ (UINT32)ndev); -+ ixEthAccPortRxCallbackRegister(pdev->id, -+ rx_disable_cb, -+ (UINT32)ndev); -+ port_enable(ndev); -+ } else { -+ dev_set_drvdata(dev, NULL); -+ kfree(ndev); -+ } -+out: -+ TRACE; -+ return res; -+} -+ -+static int __devexit npe_eth_fini_device(struct device *dev) -+{ -+ struct net_device *ndev = dev_get_drvdata(dev); -+ TRACE; -+ dev_set_drvdata(dev, NULL); -+ unregister_netdev(ndev); -+ kfree(ndev); - return 0; - } - -@@ -2928,6 +3209,28 @@ - - #ifdef MODULE - -+#define MODULE_NAME "ixp400_eth" -+ -+static struct device_driver npe_eth_driver = { -+ .name = MODULE_NAME, -+ .bus = &platform_bus_type, -+ .probe = npe_eth_init_device, -+ .remove = npe_eth_fini_device, -+}; -+ -+static struct platform_device npe_eth_devs[] = { -+ { -+ .name = MODULE_NAME, -+ .id = IX_ETH_PORT_1, -+ }, -+ { -+ .name = MODULE_NAME, -+ .id = IX_ETH_PORT_2, -+ } -+}; -+ -+ -+ - static struct net_device ixp400_devices[IX_ETH_ACC_NUMBER_OF_PORTS]; - - int init_module(void) -@@ -2935,11 +3238,11 @@ - int res, dev_count; - IxEthAccPortId portId; - struct net_device *dev; -- -+ int i; - TRACE; - -- P_INFO("Initializing IXP400 NPE Ethernet driver software v. " MODULE_VERSION " \n"); -- -+ P_INFO("Initializing IXP400 NPE Ethernet driver software v. LE \n"); -+ ixOsalLogLevelSet(IX_OSAL_LOG_LVL_ALL); - TRACE; - - /* check module parameter range */ -@@ -2951,6 +3254,16 @@ - - TRACE; - -+ /* XXX do this very early */ -+ /* initialise the DB Maintenance task mutex */ -+ maintenance_mutex = (struct semaphore *) kmalloc(sizeof(struct semaphore), GFP_KERNEL); -+ if (!maintenance_mutex) -+ return -ENOMEM; -+ -+ init_MUTEX(maintenance_mutex); -+ -+ TRACE; -+ - #ifndef DEBUG - /* check module parameter range */ - if (log_level >= 2) /* module parameter */ -@@ -3015,6 +3328,13 @@ - /* Initialise the NPEs and access layer */ - TRACE; - -+ for (i = 0; i < IX_ETH_ACC_NUMBER_OF_PORTS; i++) -+ { -+ if ((res = npe_start(i))) -+ return res; -+ TRACE; -+ } -+ - if ((res = ethacc_init())) - return res; - -@@ -3026,6 +3346,13 @@ - - TRACE; - -+ npe_eth_workqueue = create_workqueue(MODULE_NAME); -+ if (npe_eth_workqueue == NULL) -+ return -ENOMEM; -+ -+ TRACE; -+ -+#if 0 - /* Initialise the driver structure */ - for (dev_count = 0; - dev_count < dev_max_count; /* module parameter */ -@@ -3038,7 +3365,7 @@ - dev->init = dev_eth_probe; - - TRACE; -- -+ } - if ((res = register_netdev(dev))) - { - TRACE; -@@ -3068,6 +3395,35 @@ - return convert_error_ethAcc(res); - } - } -+#endif -+ /* set the softirq rx queue thresholds -+ * (These numbers are based on tuning experiments) -+ * maxbacklog = (netdev_max_backlog * 10) / 63; -+ */ -+ if (netdev_max_backlog == 0) -+ { -+ netdev_max_backlog = 290; /* system default */ -+ } -+ netdev_max_backlog /= BACKLOG_TUNE; -+ -+ TRACE; -+ -+ res = driver_register(&npe_eth_driver); -+ if (res != 0) { -+ P_ERROR("Failed to register NPE EThernet driver (res = %d)\n", res); -+ return res; -+ } -+ -+ res = platform_device_register(&npe_eth_devs[0]); -+ if (res != 0) { -+ P_ERROR("Failed to register NPE platform device 0 (res = %d)\n", res); -+ return res; -+ } -+ res = platform_device_register(&npe_eth_devs[1]); -+ if (res != 0) { -+ P_ERROR("Failed to register NPE platform device 1 (res = %d)\n", res); -+ return res; -+ } - - TRACE; - -@@ -3104,33 +3460,13 @@ - } - - TRACE; -- -- /* initialise the DB Maintenance task mutex */ -- maintenance_mutex = (struct semaphore *) kmalloc(sizeof(struct semaphore), GFP_KERNEL); -- if (!maintenance_mutex) -- return -ENOMEM; -- -- init_MUTEX(maintenance_mutex); -- -- TRACE; -- -+TRACE; - /* Do not start the EthDB maintenance thread if learning & filtering feature is disabled */ - if (npe_learning) /* module parameter */ - { -- maintenance_timer_set(); -- } -- -- TRACE; -- -- /* set the softirq rx queue thresholds -- * (These numbers are based on tuning experiments) -- * maxbacklog = (netdev_max_backlog * 10) / 63; -- */ -- if (netdev_max_backlog == 0) -- { -- netdev_max_backlog = 290; /* system default */ -+ schedule_db_maintenance(); -+ // maintenance_timer_set(); - } -- netdev_max_backlog /= BACKLOG_TUNE; - - TRACE; - -@@ -3175,7 +3511,8 @@ - TRACE; - - /* stop the maintenance timer */ -- maintenance_timer_clear(); -+ // maintenance_timer_clear(); -+ cancel_db_maintenance(); - - TRACE; - |