Thieu Le | 3426c8f | 2012-01-11 17:35:11 -0800 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
Paul Stewart | b50f0b9 | 2011-05-16 16:31:42 -0700 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
Chris Masone | b2e326b | 2011-07-12 13:28:51 -0700 | [diff] [blame] | 5 | #include "shill/ethernet.h" |
| 6 | |
Paul Stewart | b50f0b9 | 2011-05-16 16:31:42 -0700 | [diff] [blame] | 7 | #include <time.h> |
| 8 | #include <stdio.h> |
Paul Stewart | f1ce5d2 | 2011-05-19 13:10:20 -0700 | [diff] [blame] | 9 | #include <netinet/ether.h> |
mukesh agrawal | 5c4dd0b | 2011-09-14 13:53:14 -0700 | [diff] [blame] | 10 | #include <linux/if.h> // Needs definitions from netinet/ether.h |
Paul Stewart | b50f0b9 | 2011-05-16 16:31:42 -0700 | [diff] [blame] | 11 | |
| 12 | #include <string> |
| 13 | |
Eric Shienbrood | 9a24553 | 2012-03-07 14:20:39 -0500 | [diff] [blame] | 14 | #include "shill/adaptor_interfaces.h" |
Paul Stewart | b50f0b9 | 2011-05-16 16:31:42 -0700 | [diff] [blame] | 15 | #include "shill/control_interface.h" |
| 16 | #include "shill/device.h" |
Paul Stewart | f1ce5d2 | 2011-05-19 13:10:20 -0700 | [diff] [blame] | 17 | #include "shill/device_info.h" |
Paul Stewart | f1ce5d2 | 2011-05-19 13:10:20 -0700 | [diff] [blame] | 18 | #include "shill/ethernet_service.h" |
Paul Stewart | 26b327e | 2011-10-19 11:38:09 -0700 | [diff] [blame] | 19 | #include "shill/event_dispatcher.h" |
Christopher Wiley | b691efd | 2012-08-09 13:51:51 -0700 | [diff] [blame] | 20 | #include "shill/logging.h" |
Paul Stewart | 26b327e | 2011-10-19 11:38:09 -0700 | [diff] [blame] | 21 | #include "shill/manager.h" |
Chris Masone | 7aa5f90 | 2011-07-11 11:13:35 -0700 | [diff] [blame] | 22 | #include "shill/profile.h" |
Paul Stewart | f1ce5d2 | 2011-05-19 13:10:20 -0700 | [diff] [blame] | 23 | #include "shill/rtnl_handler.h" |
Paul Stewart | b50f0b9 | 2011-05-16 16:31:42 -0700 | [diff] [blame] | 24 | |
Chris Masone | a82b711 | 2011-05-25 15:16:29 -0700 | [diff] [blame] | 25 | using std::string; |
| 26 | |
Paul Stewart | b50f0b9 | 2011-05-16 16:31:42 -0700 | [diff] [blame] | 27 | namespace shill { |
Darin Petkov | afa6fc4 | 2011-06-21 16:21:08 -0700 | [diff] [blame] | 28 | |
Paul Stewart | b50f0b9 | 2011-05-16 16:31:42 -0700 | [diff] [blame] | 29 | Ethernet::Ethernet(ControlInterface *control_interface, |
| 30 | EventDispatcher *dispatcher, |
Thieu Le | 3426c8f | 2012-01-11 17:35:11 -0800 | [diff] [blame] | 31 | Metrics *metrics, |
Paul Stewart | f1ce5d2 | 2011-05-19 13:10:20 -0700 | [diff] [blame] | 32 | Manager *manager, |
Darin Petkov | afa6fc4 | 2011-06-21 16:21:08 -0700 | [diff] [blame] | 33 | const string &link_name, |
mukesh agrawal | 93a29ed | 2012-04-17 16:13:01 -0700 | [diff] [blame] | 34 | const string &address, |
Paul Stewart | b50f0b9 | 2011-05-16 16:31:42 -0700 | [diff] [blame] | 35 | int interface_index) |
Chris Masone | a82b711 | 2011-05-25 15:16:29 -0700 | [diff] [blame] | 36 | : Device(control_interface, |
| 37 | dispatcher, |
Thieu Le | 3426c8f | 2012-01-11 17:35:11 -0800 | [diff] [blame] | 38 | metrics, |
Chris Masone | a82b711 | 2011-05-25 15:16:29 -0700 | [diff] [blame] | 39 | manager, |
| 40 | link_name, |
Chris Masone | 626719f | 2011-08-18 16:58:48 -0700 | [diff] [blame] | 41 | address, |
Gaurav Shah | 435de2c | 2011-11-17 19:01:07 -0800 | [diff] [blame] | 42 | interface_index, |
| 43 | Technology::kEthernet), |
mukesh agrawal | f60e406 | 2011-05-27 13:13:41 -0700 | [diff] [blame] | 44 | link_up_(false) { |
Ben Chan | fad4a0b | 2012-04-18 15:49:59 -0700 | [diff] [blame] | 45 | SLOG(Ethernet, 2) << "Ethernet device " << link_name << " initialized."; |
Paul Stewart | b50f0b9 | 2011-05-16 16:31:42 -0700 | [diff] [blame] | 46 | } |
| 47 | |
| 48 | Ethernet::~Ethernet() { |
Eric Shienbrood | 9a24553 | 2012-03-07 14:20:39 -0500 | [diff] [blame] | 49 | Stop(NULL, EnabledStateChangedCallback()); |
Paul Stewart | f1ce5d2 | 2011-05-19 13:10:20 -0700 | [diff] [blame] | 50 | } |
| 51 | |
Eric Shienbrood | 9a24553 | 2012-03-07 14:20:39 -0500 | [diff] [blame] | 52 | void Ethernet::Start(Error *error, |
| 53 | const EnabledStateChangedCallback &callback) { |
Paul Stewart | 2713d6c | 2011-08-25 15:38:15 -0700 | [diff] [blame] | 54 | service_ = new EthernetService(control_interface(), |
| 55 | dispatcher(), |
Thieu Le | 3426c8f | 2012-01-11 17:35:11 -0800 | [diff] [blame] | 56 | metrics(), |
Paul Stewart | 2713d6c | 2011-08-25 15:38:15 -0700 | [diff] [blame] | 57 | manager(), |
| 58 | this); |
Paul Stewart | ac4ac00 | 2011-08-26 12:04:26 -0700 | [diff] [blame] | 59 | RTNLHandler::GetInstance()->SetInterfaceFlags(interface_index(), IFF_UP, |
Paul Stewart | f1ce5d2 | 2011-05-19 13:10:20 -0700 | [diff] [blame] | 60 | IFF_UP); |
Eric Shienbrood | 9a24553 | 2012-03-07 14:20:39 -0500 | [diff] [blame] | 61 | OnEnabledStateChanged(EnabledStateChangedCallback(), Error()); |
| 62 | if (error) |
| 63 | error->Reset(); // indicate immediate completion |
Paul Stewart | f1ce5d2 | 2011-05-19 13:10:20 -0700 | [diff] [blame] | 64 | } |
| 65 | |
Eric Shienbrood | 9a24553 | 2012-03-07 14:20:39 -0500 | [diff] [blame] | 66 | void Ethernet::Stop(Error *error, const EnabledStateChangedCallback &callback) { |
Paul Stewart | f2792e8 | 2011-12-12 10:23:11 -0800 | [diff] [blame] | 67 | if (service_) { |
| 68 | manager()->DeregisterService(service_); |
| 69 | service_ = NULL; |
| 70 | } |
Eric Shienbrood | 9a24553 | 2012-03-07 14:20:39 -0500 | [diff] [blame] | 71 | OnEnabledStateChanged(EnabledStateChangedCallback(), Error()); |
| 72 | if (error) |
| 73 | error->Reset(); // indicate immediate completion |
Paul Stewart | b50f0b9 | 2011-05-16 16:31:42 -0700 | [diff] [blame] | 74 | } |
| 75 | |
Darin Petkov | afa6fc4 | 2011-06-21 16:21:08 -0700 | [diff] [blame] | 76 | void Ethernet::LinkEvent(unsigned int flags, unsigned int change) { |
Paul Stewart | f1ce5d2 | 2011-05-19 13:10:20 -0700 | [diff] [blame] | 77 | Device::LinkEvent(flags, change); |
| 78 | if ((flags & IFF_LOWER_UP) != 0 && !link_up_) { |
Paul Stewart | f1ce5d2 | 2011-05-19 13:10:20 -0700 | [diff] [blame] | 79 | link_up_ = true; |
Eric Shienbrood | 9a24553 | 2012-03-07 14:20:39 -0500 | [diff] [blame] | 80 | if (service_) { |
Christopher Wiley | 2f1bbf0 | 2012-10-25 15:31:13 -0700 | [diff] [blame] | 81 | LOG(INFO) << "Registering " << link_name() << " with manager."; |
| 82 | // Manager will bring up L3 for us. |
Eric Shienbrood | 9a24553 | 2012-03-07 14:20:39 -0500 | [diff] [blame] | 83 | manager()->RegisterService(service_); |
Darin Petkov | afa6fc4 | 2011-06-21 16:21:08 -0700 | [diff] [blame] | 84 | } |
Paul Stewart | f1ce5d2 | 2011-05-19 13:10:20 -0700 | [diff] [blame] | 85 | } else if ((flags & IFF_LOWER_UP) == 0 && link_up_) { |
| 86 | link_up_ = false; |
Paul Stewart | 63c9393 | 2012-01-06 11:24:12 -0800 | [diff] [blame] | 87 | DestroyIPConfig(); |
Thieu Le | 9c49707 | 2012-10-31 14:06:20 -0700 | [diff] [blame] | 88 | if (service_) |
| 89 | manager()->DeregisterService(service_); |
Paul Stewart | 03dba0b | 2011-08-22 16:32:45 -0700 | [diff] [blame] | 90 | SelectService(NULL); |
Paul Stewart | f1ce5d2 | 2011-05-19 13:10:20 -0700 | [diff] [blame] | 91 | } |
| 92 | } |
| 93 | |
Christopher Wiley | 2f1bbf0 | 2012-10-25 15:31:13 -0700 | [diff] [blame] | 94 | void Ethernet::ConnectTo(EthernetService *service) { |
| 95 | CHECK(service == service_.get()) << "Ethernet was asked to connect the " |
| 96 | << "wrong service?"; |
| 97 | if (AcquireIPConfigWithLeaseName(service->GetStorageIdentifier())) { |
| 98 | SelectService(service); |
| 99 | SetServiceState(Service::kStateConfiguring); |
| 100 | } else { |
| 101 | LOG(ERROR) << "Unable to acquire DHCP config."; |
| 102 | SetServiceState(Service::kStateFailure); |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | void Ethernet::DisconnectFrom(EthernetService *service) { |
| 107 | CHECK(service == service_.get()) << "Ethernet was asked to disconnect the " |
| 108 | << "wrong service?"; |
| 109 | DropConnection(); |
| 110 | } |
| 111 | |
Paul Stewart | b50f0b9 | 2011-05-16 16:31:42 -0700 | [diff] [blame] | 112 | } // namespace shill |