diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/ipxe/src/usr/ifmgmt.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/usr/ifmgmt.c')
-rw-r--r-- | qemu/roms/ipxe/src/usr/ifmgmt.c | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/usr/ifmgmt.c b/qemu/roms/ipxe/src/usr/ifmgmt.c new file mode 100644 index 000000000..3d05895c2 --- /dev/null +++ b/qemu/roms/ipxe/src/usr/ifmgmt.c @@ -0,0 +1,289 @@ +/* + * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include <string.h> +#include <stdio.h> +#include <unistd.h> +#include <errno.h> +#include <ipxe/console.h> +#include <ipxe/netdevice.h> +#include <ipxe/device.h> +#include <ipxe/job.h> +#include <ipxe/monojob.h> +#include <ipxe/timer.h> +#include <usr/ifmgmt.h> + +/** @file + * + * Network interface management + * + */ + +/** Default time to wait for link-up */ +#define LINK_WAIT_TIMEOUT ( 15 * TICKS_PER_SEC ) + +/** Default unsuccessful configuration status code */ +#define EADDRNOTAVAIL_CONFIG __einfo_error ( EINFO_EADDRNOTAVAIL_CONFIG ) +#define EINFO_EADDRNOTAVAIL_CONFIG \ + __einfo_uniqify ( EINFO_EADDRNOTAVAIL, 0x01, \ + "No configuration methods succeeded" ) + +/** + * Open network device + * + * @v netdev Network device + * @ret rc Return status code + */ +int ifopen ( struct net_device *netdev ) { + int rc; + + if ( ( rc = netdev_open ( netdev ) ) != 0 ) { + printf ( "Could not open %s: %s\n", + netdev->name, strerror ( rc ) ); + return rc; + } + + return 0; +} + +/** + * Close network device + * + * @v netdev Network device + */ +void ifclose ( struct net_device *netdev ) { + netdev_close ( netdev ); +} + +/** + * Print network device error breakdown + * + * @v stats Network device statistics + * @v prefix Message prefix + */ +static void ifstat_errors ( struct net_device_stats *stats, + const char *prefix ) { + unsigned int i; + + for ( i = 0 ; i < ( sizeof ( stats->errors ) / + sizeof ( stats->errors[0] ) ) ; i++ ) { + if ( stats->errors[i].count ) + printf ( " [%s: %d x \"%s\"]\n", prefix, + stats->errors[i].count, + strerror ( stats->errors[i].rc ) ); + } +} + +/** + * Print status of network device + * + * @v netdev Network device + */ +void ifstat ( struct net_device *netdev ) { + printf ( "%s: %s using %s on %s (%s)\n" + " [Link:%s, TX:%d TXE:%d RX:%d RXE:%d]\n", + netdev->name, netdev_addr ( netdev ), + netdev->dev->driver_name, netdev->dev->name, + ( netdev_is_open ( netdev ) ? "open" : "closed" ), + ( netdev_link_ok ( netdev ) ? "up" : "down" ), + netdev->tx_stats.good, netdev->tx_stats.bad, + netdev->rx_stats.good, netdev->rx_stats.bad ); + if ( ! netdev_link_ok ( netdev ) ) { + printf ( " [Link status: %s]\n", + strerror ( netdev->link_rc ) ); + } + ifstat_errors ( &netdev->tx_stats, "TXE" ); + ifstat_errors ( &netdev->rx_stats, "RXE" ); +} + +/** Network device poller */ +struct ifpoller { + /** Job control interface */ + struct interface job; + /** Network device */ + struct net_device *netdev; + /** Network device configurator (if applicable) */ + struct net_device_configurator *configurator; + /** + * Check progress + * + * @v ifpoller Network device poller + * @ret ongoing_rc Ongoing job status code (if known) + */ + int ( * progress ) ( struct ifpoller *ifpoller ); +}; + +/** + * Report network device poller progress + * + * @v ifpoller Network device poller + * @v progress Progress report to fill in + * @ret ongoing_rc Ongoing job status code (if known) + */ +static int ifpoller_progress ( struct ifpoller *ifpoller, + struct job_progress *progress __unused ) { + + /* Hand off to current progress checker */ + return ifpoller->progress ( ifpoller ); +} + +/** Network device poller operations */ +static struct interface_operation ifpoller_job_op[] = { + INTF_OP ( job_progress, struct ifpoller *, ifpoller_progress ), +}; + +/** Network device poller descriptor */ +static struct interface_descriptor ifpoller_job_desc = + INTF_DESC ( struct ifpoller, job, ifpoller_job_op ); + +/** + * Poll network device until completion + * + * @v netdev Network device + * @v configurator Network device configurator (if applicable) + * @v timeout Timeout period, in ticks + * @v progress Method to check progress + * @ret rc Return status code + */ +static int ifpoller_wait ( struct net_device *netdev, + struct net_device_configurator *configurator, + unsigned long timeout, + int ( * progress ) ( struct ifpoller *ifpoller ) ) { + static struct ifpoller ifpoller = { + .job = INTF_INIT ( ifpoller_job_desc ), + }; + + ifpoller.netdev = netdev; + ifpoller.configurator = configurator; + ifpoller.progress = progress; + intf_plug_plug ( &monojob, &ifpoller.job ); + return monojob_wait ( "", timeout ); +} + +/** + * Check link-up progress + * + * @v ifpoller Network device poller + * @ret ongoing_rc Ongoing job status code (if known) + */ +static int iflinkwait_progress ( struct ifpoller *ifpoller ) { + struct net_device *netdev = ifpoller->netdev; + int ongoing_rc = netdev->link_rc; + + /* Terminate successfully if link is up */ + if ( ongoing_rc == 0 ) + intf_close ( &ifpoller->job, 0 ); + + /* Otherwise, report link status as ongoing job status */ + return ongoing_rc; +} + +/** + * Wait for link-up, with status indication + * + * @v netdev Network device + * @v timeout Timeout period, in ticks + */ +int iflinkwait ( struct net_device *netdev, unsigned long timeout ) { + int rc; + + /* Ensure device is open */ + if ( ( rc = ifopen ( netdev ) ) != 0 ) + return rc; + + /* Return immediately if link is already up */ + netdev_poll ( netdev ); + if ( netdev_link_ok ( netdev ) ) + return 0; + + /* Wait for link-up */ + printf ( "Waiting for link-up on %s", netdev->name ); + return ifpoller_wait ( netdev, NULL, timeout, iflinkwait_progress ); +} + +/** + * Check configuration progress + * + * @v ifpoller Network device poller + * @ret ongoing_rc Ongoing job status code (if known) + */ +static int ifconf_progress ( struct ifpoller *ifpoller ) { + struct net_device *netdev = ifpoller->netdev; + struct net_device_configurator *configurator = ifpoller->configurator; + struct net_device_configuration *config; + int rc; + + /* Do nothing unless configuration has completed */ + if ( netdev_configuration_in_progress ( netdev ) ) + return 0; + + /* Terminate with appropriate overall return status code */ + if ( configurator ) { + config = netdev_configuration ( netdev, configurator ); + rc = config->rc; + } else { + rc = ( netdev_configuration_ok ( netdev ) ? + 0 : -EADDRNOTAVAIL_CONFIG ); + } + intf_close ( &ifpoller->job, rc ); + + return rc; +} + +/** + * Perform network device configuration + * + * @v netdev Network device + * @v configurator Network device configurator, or NULL to use all + * @ret rc Return status code + */ +int ifconf ( struct net_device *netdev, + struct net_device_configurator *configurator ) { + int rc; + + /* Ensure device is open and link is up */ + if ( ( rc = iflinkwait ( netdev, LINK_WAIT_TIMEOUT ) ) != 0 ) + return rc; + + /* Start configuration */ + if ( configurator ) { + if ( ( rc = netdev_configure ( netdev, configurator ) ) != 0 ) { + printf ( "Could not configure %s via %s: %s\n", + netdev->name, configurator->name, + strerror ( rc ) ); + return rc; + } + } else { + if ( ( rc = netdev_configure_all ( netdev ) ) != 0 ) { + printf ( "Could not configure %s: %s\n", + netdev->name, strerror ( rc ) ); + return rc; + } + } + + /* Wait for configuration to complete */ + printf ( "Configuring %s%s%s(%s %s)", + ( configurator ? "[" : "" ), + ( configurator ? configurator->name : "" ), + ( configurator ? "] " : "" ), + netdev->name, netdev->ll_protocol->ntoa ( netdev->ll_addr ) ); + return ifpoller_wait ( netdev, configurator, 0, ifconf_progress ); +} |