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Diffstat (limited to 'src/nm-device-wired.c')
| -rw-r--r-- | src/nm-device-wired.c | 564 |
1 files changed, 0 insertions, 564 deletions
diff --git a/src/nm-device-wired.c b/src/nm-device-wired.c deleted file mode 100644 index 5baf5f876..000000000 --- a/src/nm-device-wired.c +++ /dev/null @@ -1,564 +0,0 @@ -/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ -/* NetworkManager -- Network link manager - * - * 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 - * (at your option) 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. - * - * Copyright (C) 2005 - 2012 Red Hat, Inc. - * Copyright (C) 2006 - 2008 Novell, Inc. - */ - -#include "config.h" -#include <glib.h> -#include <sys/socket.h> -#include <linux/if.h> -#include <linux/if_infiniband.h> -#include <netinet/ether.h> -#include <linux/sockios.h> -#include <linux/version.h> -#include <linux/ethtool.h> -#include <sys/ioctl.h> -#include <unistd.h> - -#include "nm-device-wired.h" -#include "nm-device-private.h" -#include "nm-dhcp-manager.h" -#include "nm-logging.h" -#include "nm-netlink-monitor.h" -#include "nm-netlink-utils.h" -#include "nm-system.h" -#include "nm-utils.h" -#include "NetworkManagerUtils.h" - - -G_DEFINE_TYPE (NMDeviceWired, nm_device_wired, NM_TYPE_DEVICE) - -#define NM_DEVICE_WIRED_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE_WIRED, NMDeviceWiredPrivate)) - -#define NM_DEVICE_WIRED_LOG_LEVEL(dev) ((nm_device_get_device_type (dev) == NM_DEVICE_TYPE_INFINIBAND) ? LOGD_INFINIBAND : LOGD_ETHER) - -typedef struct { - gboolean carrier; - guint32 speed; - - NMNetlinkMonitor * monitor; - gulong link_connected_id; - gulong link_disconnected_id; - guint carrier_action_defer_id; - -} NMDeviceWiredPrivate; - - -/* Returns speed in Mb/s */ -static guint32 -ethtool_get_speed (NMDeviceWired *self) -{ - int fd; - struct ifreq ifr; - struct ethtool_cmd edata = { - .cmd = ETHTOOL_GSET, - }; - guint32 speed = 0; - - g_return_val_if_fail (self != NULL, 0); - - fd = socket (PF_INET, SOCK_DGRAM, 0); - if (fd < 0) { - nm_log_warn (LOGD_HW, "couldn't open control socket."); - return 0; - } - - memset (&ifr, 0, sizeof (struct ifreq)); - strncpy (ifr.ifr_name, nm_device_get_iface (NM_DEVICE (self)), IFNAMSIZ); - ifr.ifr_data = (char *) &edata; - - if (ioctl (fd, SIOCETHTOOL, &ifr) < 0) - goto out; - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27) - speed = edata.speed; -#else - speed = ethtool_cmd_speed (&edata); -#endif - - if (speed == G_MAXUINT16 || speed == G_MAXUINT32) - speed = 0; - -out: - close (fd); - return speed; -} - -static void -set_speed (NMDeviceWired *self, const guint32 speed) -{ - NMDeviceWiredPrivate *priv; - - g_return_if_fail (NM_IS_DEVICE (self)); - - priv = NM_DEVICE_WIRED_GET_PRIVATE (self); - if (priv->speed == speed) - return; - - priv->speed = speed; - g_object_notify (G_OBJECT (self), "speed"); - - nm_log_dbg (LOGD_HW | NM_DEVICE_WIRED_LOG_LEVEL (NM_DEVICE (self)), - "(%s): speed is now %d Mb/s", - nm_device_get_iface (NM_DEVICE (self)), - speed); -} - -static void -carrier_action_defer_clear (NMDeviceWired *self) -{ - NMDeviceWiredPrivate *priv = NM_DEVICE_WIRED_GET_PRIVATE (self); - - if (priv->carrier_action_defer_id) { - g_source_remove (priv->carrier_action_defer_id); - priv->carrier_action_defer_id = 0; - } -} - -static void -carrier_action (NMDeviceWired *self, NMDeviceState state, gboolean carrier) -{ - NMDevice *device = NM_DEVICE (self); - - if (state == NM_DEVICE_STATE_UNAVAILABLE) { - if (carrier) - nm_device_queue_state (device, NM_DEVICE_STATE_DISCONNECTED, NM_DEVICE_STATE_REASON_CARRIER); - else { - /* clear any queued state changes if they wouldn't be valid when the - * carrier is off. - */ - if (nm_device_queued_state_peek (device) >= NM_DEVICE_STATE_DISCONNECTED) - nm_device_queued_state_clear (device); - } - } else if (state >= NM_DEVICE_STATE_DISCONNECTED) { - if (!carrier && !nm_device_get_enslaved (device)) - nm_device_queue_state (device, NM_DEVICE_STATE_UNAVAILABLE, NM_DEVICE_STATE_REASON_CARRIER); - } -} - -static gboolean -carrier_action_defer_cb (gpointer user_data) -{ - NMDeviceWired *self = NM_DEVICE_WIRED (user_data); - NMDeviceWiredPrivate *priv = NM_DEVICE_WIRED_GET_PRIVATE (self); - - priv->carrier_action_defer_id = 0; - NM_DEVICE_WIRED_GET_CLASS (self)->carrier_action (self, - nm_device_get_state (NM_DEVICE (self)), - priv->carrier); - return FALSE; -} - -static void -set_carrier (NMDeviceWired *self, - const gboolean carrier, - const gboolean defer_action) -{ - NMDeviceWiredPrivate *priv = NM_DEVICE_WIRED_GET_PRIVATE (self); - NMDevice *device = NM_DEVICE (self); - NMDeviceState state; - guint32 caps; - - if (priv->carrier == carrier) - return; - - /* Clear any previous deferred action */ - carrier_action_defer_clear (self); - - /* Warn if we try to set carrier down on a device that - * doesn't support carrier detect. These devices assume - * the carrier is always up. - */ - caps = nm_device_get_capabilities (device); - g_return_if_fail (caps & NM_DEVICE_CAP_CARRIER_DETECT); - - priv->carrier = carrier; - - state = nm_device_get_state (device); - if (state >= NM_DEVICE_STATE_UNAVAILABLE) { - nm_log_info (LOGD_HW | NM_DEVICE_WIRED_LOG_LEVEL (device), - "(%s): carrier now %s (device state %d%s)", - nm_device_get_iface (device), - carrier ? "ON" : "OFF", - state, - defer_action ? ", deferring action for 4 seconds" : ""); - } - - g_object_notify (G_OBJECT (self), "carrier"); - - /* Retry IP configuration for master devices now that the carrier is on */ - if (nm_device_is_master (device) && priv->carrier) { - if (nm_device_activate_ip4_state_in_wait (device)) - nm_device_activate_stage3_ip4_start (device); - - if (nm_device_activate_ip6_state_in_wait (device)) - nm_device_activate_stage3_ip6_start (device); - } - - if (defer_action) - priv->carrier_action_defer_id = g_timeout_add_seconds (4, carrier_action_defer_cb, self); - else - carrier_action_defer_cb (self); -} - -static void -carrier_on (NMNetlinkMonitor *monitor, - int idx, - gpointer user_data) -{ - NMDevice *device = NM_DEVICE (user_data); - NMDeviceWired *self = NM_DEVICE_WIRED (device); - guint32 caps; - - /* Make sure signal is for us */ - if (idx == nm_device_get_ifindex (device)) { - caps = nm_device_get_capabilities (device); - g_return_if_fail (caps & NM_DEVICE_CAP_CARRIER_DETECT); - - set_carrier (self, TRUE, FALSE); - set_speed (self, ethtool_get_speed (self)); - } -} - -static void -carrier_off (NMNetlinkMonitor *monitor, - int idx, - gpointer user_data) -{ - NMDevice *device = NM_DEVICE (user_data); - NMDeviceWired *self = NM_DEVICE_WIRED (device); - guint32 caps; - - /* Make sure signal is for us */ - if (idx == nm_device_get_ifindex (device)) { - NMDeviceState state; - gboolean defer = FALSE; - - caps = nm_device_get_capabilities (device); - g_return_if_fail (caps & NM_DEVICE_CAP_CARRIER_DETECT); - - /* Defer carrier-off event actions while connected by a few seconds - * so that tripping over a cable, power-cycling a switch, or breaking - * off the RJ45 locking tab isn't so catastrophic. - */ - state = nm_device_get_state (device); - if (state > NM_DEVICE_STATE_DISCONNECTED) - defer = TRUE; - - set_carrier (self, FALSE, defer); - } -} - -static gboolean -get_carrier_sync (NMDeviceWired *self) -{ - NMDeviceWiredPrivate *priv = NM_DEVICE_WIRED_GET_PRIVATE (self); - GError *error = NULL; - guint32 ifflags = 0; - - /* Get initial link state */ - if (!nm_netlink_monitor_get_flags_sync (priv->monitor, - nm_device_get_ip_ifindex (NM_DEVICE (self)), - &ifflags, - &error)) { - nm_log_warn (LOGD_HW | NM_DEVICE_WIRED_LOG_LEVEL (NM_DEVICE (self)), - "(%s): couldn't get carrier state: (%d) %s", - nm_device_get_ip_iface (NM_DEVICE (self)), - error ? error->code : -1, - (error && error->message) ? error->message : "unknown"); - g_clear_error (&error); - } - - return !!(ifflags & IFF_LOWER_UP); -} - -static GObject* -constructor (GType type, - guint n_construct_params, - GObjectConstructParam *construct_params) -{ - GObject *object; - NMDeviceWiredPrivate *priv; - NMDevice *self; - guint32 caps; - - object = G_OBJECT_CLASS (nm_device_wired_parent_class)->constructor (type, - n_construct_params, - construct_params); - if (!object) - return NULL; - - self = NM_DEVICE (object); - priv = NM_DEVICE_WIRED_GET_PRIVATE (self); - - nm_log_dbg (LOGD_HW | NM_DEVICE_WIRED_LOG_LEVEL (NM_DEVICE (self)), - "(%s): kernel ifindex %d", - nm_device_get_iface (NM_DEVICE (self)), - nm_device_get_ifindex (NM_DEVICE (self))); - - caps = nm_device_get_capabilities (self); - if (caps & NM_DEVICE_CAP_CARRIER_DETECT) { - /* Only listen to netlink for cards that support carrier detect */ - priv->monitor = nm_netlink_monitor_get (); - - priv->link_connected_id = g_signal_connect (priv->monitor, "carrier-on", - G_CALLBACK (carrier_on), - self); - priv->link_disconnected_id = g_signal_connect (priv->monitor, "carrier-off", - G_CALLBACK (carrier_off), - self); - - priv->carrier = get_carrier_sync (NM_DEVICE_WIRED (self)); - - nm_log_info (LOGD_HW | NM_DEVICE_WIRED_LOG_LEVEL (NM_DEVICE (self)), - "(%s): carrier is %s", - nm_device_get_iface (NM_DEVICE (self)), - priv->carrier ? "ON" : "OFF"); - - /* Request link state again just in case an error occurred getting the - * initial link state. - */ - nm_netlink_monitor_request_status (priv->monitor); - } else { - nm_log_info (LOGD_HW | NM_DEVICE_WIRED_LOG_LEVEL (NM_DEVICE (self)), - "(%s): driver '%s' does not support carrier detection.", - nm_device_get_iface (self), - nm_device_get_driver (self)); - priv->carrier = TRUE; - } - - return object; -} - -static void -nm_device_wired_init (NMDeviceWired * self) -{ -} - -static gboolean -hw_bring_up (NMDevice *dev, gboolean *no_firmware) -{ - gboolean result, carrier; - guint32 caps; - - result = NM_DEVICE_CLASS(nm_device_wired_parent_class)->hw_bring_up (dev, no_firmware); - if (result) { - caps = nm_device_get_capabilities (dev); - if (caps & NM_DEVICE_CAP_CARRIER_DETECT) { - carrier = get_carrier_sync (NM_DEVICE_WIRED (dev)); - set_carrier (NM_DEVICE_WIRED (dev), carrier, carrier ? FALSE : TRUE); - } - } - return result; -} - -static gboolean -can_interrupt_activation (NMDevice *dev) -{ - NMDeviceWired *self = NM_DEVICE_WIRED (dev); - gboolean interrupt = FALSE; - - /* Devices that support carrier detect can interrupt activation - * if the link becomes inactive. - */ - if (nm_device_get_capabilities (dev) & NM_DEVICE_CAP_CARRIER_DETECT) { - if (NM_DEVICE_WIRED_GET_PRIVATE (self)->carrier == FALSE) - interrupt = TRUE; - } - return interrupt; -} - -static gboolean -is_available (NMDevice *dev) -{ - NMDeviceWired *self = NM_DEVICE_WIRED (dev); - - /* Can't do anything if there isn't a carrier */ - if (!NM_DEVICE_WIRED_GET_PRIVATE (self)->carrier) - return FALSE; - - return TRUE; -} - -static NMConnection * -connection_match_config (NMDevice *self, const GSList *connections) -{ - const GSList *iter; - - for (iter = connections; iter; iter = iter->next) { - NMConnection *candidate = NM_CONNECTION (iter->data); - - if (!nm_device_match_ip_config (self, candidate)) - continue; - - return candidate; - } - - return NULL; -} - -static NMActStageReturn -act_stage3_ip4_config_start (NMDevice *device, - NMIP4Config **out_config, - NMDeviceStateReason *reason) -{ - NMConnection *connection; - NMSettingIP4Config *s_ip4; - const char *method = NULL; - gboolean is_manual = FALSE; - - connection = nm_device_get_connection (device); - if (connection) { - s_ip4 = nm_connection_get_setting_ip4_config (connection); - if (s_ip4) - method = nm_setting_ip4_config_get_method (s_ip4); - - if (g_strcmp0 (method, NM_SETTING_IP4_CONFIG_METHOD_MANUAL) == 0) - is_manual = TRUE; - } - - if ( !is_manual - && nm_device_is_master (device) - && !nm_device_wired_get_carrier (NM_DEVICE_WIRED (device))) { - nm_log_info (LOGD_IP4 | NM_DEVICE_WIRED_LOG_LEVEL (device), - "(%s): IPv4 config waiting until carrier is on", - nm_device_get_ip_iface (device)); - return NM_ACT_STAGE_RETURN_WAIT; - } - - return NM_DEVICE_CLASS (nm_device_wired_parent_class)->act_stage3_ip4_config_start (device, out_config, reason); -} - -static NMActStageReturn -act_stage3_ip6_config_start (NMDevice *device, - NMIP6Config **out_config, - NMDeviceStateReason *reason) -{ - NMConnection *connection; - NMSettingIP6Config *s_ip6; - const char *method = NULL; - gboolean is_manual = FALSE; - - connection = nm_device_get_connection (device); - if (connection) { - s_ip6 = nm_connection_get_setting_ip6_config (connection); - if (s_ip6) - method = nm_setting_ip6_config_get_method (s_ip6); - - if (g_strcmp0 (method, NM_SETTING_IP6_CONFIG_METHOD_MANUAL) == 0) - is_manual = TRUE; - } - - if ( !is_manual - && nm_device_is_master (device) - && !nm_device_wired_get_carrier (NM_DEVICE_WIRED (device))) { - nm_log_info (LOGD_IP6 | NM_DEVICE_WIRED_LOG_LEVEL (device), - "(%s): IPv6 config waiting until carrier is on", - nm_device_get_ip_iface (device)); - return NM_ACT_STAGE_RETURN_WAIT; - } - - return NM_DEVICE_CLASS (nm_device_wired_parent_class)->act_stage3_ip6_config_start (device, out_config, reason); -} - -static void -dispose (GObject *object) -{ - NMDeviceWired *self = NM_DEVICE_WIRED (object); - NMDeviceWiredPrivate *priv = NM_DEVICE_WIRED_GET_PRIVATE (self); - - if (priv->link_connected_id) { - g_signal_handler_disconnect (priv->monitor, priv->link_connected_id); - priv->link_connected_id = 0; - } - if (priv->link_disconnected_id) { - g_signal_handler_disconnect (priv->monitor, priv->link_disconnected_id); - priv->link_disconnected_id = 0; - } - - carrier_action_defer_clear (self); - - if (priv->monitor) { - g_object_unref (priv->monitor); - priv->monitor = NULL; - } - - G_OBJECT_CLASS (nm_device_wired_parent_class)->dispose (object); -} - -static void -nm_device_wired_class_init (NMDeviceWiredClass *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - NMDeviceClass *parent_class = NM_DEVICE_CLASS (klass); - NMDeviceWiredClass *wired_class = NM_DEVICE_WIRED_CLASS (klass); - - g_type_class_add_private (object_class, sizeof (NMDeviceWiredPrivate)); - - /* virtual methods */ - object_class->constructor = constructor; - object_class->dispose = dispose; - - parent_class->hw_bring_up = hw_bring_up; - parent_class->can_interrupt_activation = can_interrupt_activation; - parent_class->is_available = is_available; - parent_class->connection_match_config = connection_match_config; - parent_class->act_stage3_ip4_config_start = act_stage3_ip4_config_start; - parent_class->act_stage3_ip6_config_start = act_stage3_ip6_config_start; - - wired_class->carrier_action = carrier_action; -} - -/** - * nm_device_wired_get_carrier: - * @dev: an #NMDeviceWired - * - * Get @dev's carrier status - * - * Return value: @dev's carrier - */ -gboolean -nm_device_wired_get_carrier (NMDeviceWired *dev) -{ - NMDeviceWiredPrivate *priv; - - g_return_val_if_fail (dev != NULL, FALSE); - - priv = NM_DEVICE_WIRED_GET_PRIVATE (dev); - return priv->carrier; -} - -/** - * nm_device_wired_get_speed: - * @dev: an #NMDeviceWired - * - * Get @dev's speed - * - * Return value: @dev's speed in Mb/s - */ -guint32 -nm_device_wired_get_speed (NMDeviceWired *dev) -{ - NMDeviceWiredPrivate *priv; - - g_return_val_if_fail (dev != NULL, 0); - - priv = NM_DEVICE_WIRED_GET_PRIVATE (dev); - return priv->speed; -} |