*
* Connection Manager
*
- * Copyright (C) 2007-2008 Intel Corporation. All rights reserved.
+ * Copyright (C) 2007-2009 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
#include <config.h>
#endif
-#include <unistd.h>
-#include <string.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <linux/if.h>
-#include <linux/netlink.h>
-#include <linux/rtnetlink.h>
+#include <errno.h>
+#include <net/if.h>
+#ifndef IFF_LOWER_UP
+#define IFF_LOWER_UP 0x10000
+#endif
+
+#include <glib.h>
+
+#define CONNMAN_API_SUBJECT_TO_CHANGE
#include <connman/plugin.h>
-#include <connman/driver.h>
+#include <connman/device.h>
+#include <connman/inet.h>
+#include <connman/rtnl.h>
#include <connman/log.h>
struct ethernet_data {
int index;
- short flags;
+ unsigned flags;
+ unsigned int watch;
};
-static GStaticMutex ethernet_mutex = G_STATIC_MUTEX_INIT;
-static GSList *ethernet_list = NULL;
-
-static void rtnl_link(struct nlmsghdr *hdr, const char *type)
+static void ethernet_newlink(unsigned flags, unsigned change, void *user_data)
{
- GSList *list;
- struct ifinfomsg *msg;
- int bytes;
-
- msg = (struct ifinfomsg *) NLMSG_DATA(hdr);
- bytes = IFLA_PAYLOAD(hdr);
-
- DBG("%s ifi_index %d ifi_flags 0x%04x",
- type, msg->ifi_index, msg->ifi_flags);
-
- g_static_mutex_lock(ðernet_mutex);
-
- for (list = ethernet_list; list; list = list->next) {
- struct connman_element *element = list->data;
- struct connman_element *netdev;
- struct ethernet_data *ethernet;
-
- ethernet = connman_element_get_data(element);
- if (ethernet == NULL)
- continue;
-
- if (ethernet->index != msg->ifi_index)
- continue;
-
- if ((ethernet->flags & IFF_RUNNING) ==
- (msg->ifi_flags & IFF_RUNNING))
- continue;
-
- ethernet->flags = msg->ifi_flags;
-
- if (ethernet->flags & IFF_RUNNING) {
- DBG("carrier on");
+ struct connman_device *device = user_data;
+ struct ethernet_data *ethernet = connman_device_get_data(device);
- netdev = connman_element_create(NULL);
- if (netdev != NULL) {
- netdev->type = CONNMAN_ELEMENT_TYPE_DEVICE;
- netdev->subtype = CONNMAN_ELEMENT_SUBTYPE_NETWORK;
- netdev->index = element->index;
+ DBG("index %d flags %d change %d", ethernet->index, flags, change);
- connman_element_register(netdev, element);
- }
+ if ((ethernet->flags & IFF_UP) != (flags & IFF_UP)) {
+ if (flags & IFF_UP) {
+ DBG("power on");
+ connman_device_set_powered(device, TRUE);
} else {
- DBG("carrier off");
-
- connman_element_unregister_children(element);
+ DBG("power off");
+ connman_device_set_powered(device, FALSE);
}
}
- g_static_mutex_unlock(ðernet_mutex);
-}
-
-static gboolean rtnl_event(GIOChannel *chan, GIOCondition cond, gpointer data)
-{
- unsigned char buf[1024];
- void *ptr = buf;
- gsize len;
- GIOError err;
-
- if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR))
- return FALSE;
-
- memset(buf, 0, sizeof(buf));
-
- err = g_io_channel_read(chan, (gchar *) buf, sizeof(buf), &len);
- if (err) {
- if (err == G_IO_ERROR_AGAIN)
- return TRUE;
- return FALSE;
- }
-
- DBG("buf %p len %zd", buf, len);
-
- while (len > 0) {
- struct nlmsghdr *hdr = ptr;
- struct nlmsgerr *err;
-
- if (!NLMSG_OK(hdr, len))
- break;
-
- DBG("len %d type %d flags 0x%04x seq %d",
- hdr->nlmsg_len, hdr->nlmsg_type,
- hdr->nlmsg_flags, hdr->nlmsg_seq);
-
- switch (hdr->nlmsg_type) {
- case NLMSG_ERROR:
- err = NLMSG_DATA(hdr);
- DBG("ERROR %d (%s)", -err->error,
- strerror(-err->error));
- break;
-
- case RTM_NEWLINK:
- rtnl_link(hdr, "NEWLINK");
- break;
-
- case RTM_DELLINK:
- rtnl_link(hdr, "DELLINK");
- break;
+ if ((ethernet->flags & IFF_LOWER_UP) != (flags & IFF_LOWER_UP)) {
+ if (flags & IFF_LOWER_UP) {
+ DBG("carrier on");
+ connman_device_set_carrier(device, TRUE);
+ } else {
+ DBG("carrier off");
+ connman_device_set_carrier(device, FALSE);
}
-
- len -= hdr->nlmsg_len;
- ptr += hdr->nlmsg_len;
- }
-
- return TRUE;
-}
-
-static GIOChannel *channel;
-
-static int rtnl_request(void)
-{
- struct {
- struct nlmsghdr hdr;
- struct rtgenmsg msg;
- } req;
-
- struct sockaddr_nl addr;
- int sk;
-
- DBG("");
-
- memset(&req, 0, sizeof(req));
- req.hdr.nlmsg_len = sizeof(req.hdr) + sizeof(req.msg);
- req.hdr.nlmsg_type = RTM_GETLINK;
- req.hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
- req.hdr.nlmsg_pid = 0;
- req.hdr.nlmsg_seq = 42;
- req.msg.rtgen_family = AF_INET;
-
- sk = g_io_channel_unix_get_fd(channel);
-
- memset(&addr, 0, sizeof(addr));
- addr.nl_family = AF_NETLINK;
-
- return sendto(sk, &req, sizeof(req), 0,
- (struct sockaddr *) &addr, sizeof(addr));
-}
-
-static int iface_up(struct ethernet_data *ethernet)
-{
- struct ifreq ifr;
- int sk, err;
-
- DBG("index %d flags %d", ethernet->index, ethernet->flags);
-
- sk = socket(PF_INET, SOCK_DGRAM, 0);
- if (sk < 0)
- return -errno;
-
- memset(&ifr, 0, sizeof(ifr));
- ifr.ifr_ifindex = ethernet->index;
-
- if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
- err = -errno;
- goto done;
- }
-
- if (ioctl(sk, SIOCGIFFLAGS, &ifr) < 0) {
- err = -errno;
- goto done;
- }
-
- if (ifr.ifr_flags & IFF_UP) {
- err = -EALREADY;
- goto done;
- }
-
- ifr.ifr_flags |= IFF_UP;
-
- if (ioctl(sk, SIOCSIFFLAGS, &ifr) < 0) {
- err = -errno;
- goto done;
- }
-
- err = 0;
-
-done:
- close(sk);
-
- return err;
-}
-
-static int iface_down(struct ethernet_data *ethernet)
-{
- struct ifreq ifr;
- int sk, err;
-
- DBG("index %d flags %d", ethernet->index, ethernet->flags);
-
- sk = socket(PF_INET, SOCK_DGRAM, 0);
- if (sk < 0)
- return -errno;
-
- memset(&ifr, 0, sizeof(ifr));
- ifr.ifr_ifindex = ethernet->index;
-
- if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
- err = -errno;
- goto done;
}
- if (ioctl(sk, SIOCGIFFLAGS, &ifr) < 0) {
- err = -errno;
- goto done;
- }
-
- if (!(ifr.ifr_flags & IFF_UP)) {
- err = -EALREADY;
- goto done;
- }
-
- ifr.ifr_flags &= ~IFF_UP;
-
- if (ioctl(sk, SIOCSIFFLAGS, &ifr) < 0)
- err = -errno;
- else
- err = 0;
-
-done:
- close(sk);
-
- return err;
+ ethernet->flags = flags;
}
-static int ethernet_probe(struct connman_element *element)
+static int ethernet_probe(struct connman_device *device)
{
struct ethernet_data *ethernet;
- DBG("element %p name %s", element, element->name);
+ DBG("device %p", device);
ethernet = g_try_new0(struct ethernet_data, 1);
if (ethernet == NULL)
return -ENOMEM;
- g_static_mutex_lock(ðernet_mutex);
- ethernet_list = g_slist_append(ethernet_list, element);
- g_static_mutex_unlock(ðernet_mutex);
+ connman_device_set_data(device, ethernet);
- connman_element_set_data(element, ethernet);
+ ethernet->index = connman_device_get_index(device);
+ ethernet->flags = 0;
- ethernet->index = element->index;
+ ethernet->watch = connman_rtnl_add_newlink_watch(ethernet->index,
+ ethernet_newlink, device);
- iface_up(ethernet);
-
- rtnl_request();
+ connman_rtnl_send_getlink();
return 0;
}
-static void ethernet_remove(struct connman_element *element)
+static void ethernet_remove(struct connman_device *device)
{
- struct ethernet_data *ethernet = connman_element_get_data(element);
-
- DBG("element %p name %s", element, element->name);
+ struct ethernet_data *ethernet = connman_device_get_data(device);
- connman_element_set_data(element, NULL);
+ DBG("device %p", device);
- iface_down(ethernet);
+ connman_device_set_data(device, NULL);
- g_static_mutex_lock(ðernet_mutex);
- ethernet_list = g_slist_remove(ethernet_list, element);
- g_static_mutex_unlock(ðernet_mutex);
+ connman_rtnl_remove_watch(ethernet->watch);
g_free(ethernet);
}
-static struct connman_driver ethernet_driver = {
- .name = "ethernet",
- .type = CONNMAN_ELEMENT_TYPE_DEVICE,
- .subtype = CONNMAN_ELEMENT_SUBTYPE_ETHERNET,
- .probe = ethernet_probe,
- .remove = ethernet_remove,
-};
-
-static int rtnl_init(void)
+static int ethernet_enable(struct connman_device *device)
{
- struct sockaddr_nl addr;
- int sk, err;
-
- DBG("");
-
- sk = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE);
- if (sk < 0)
- return -errno;
-
- memset(&addr, 0, sizeof(addr));
- addr.nl_family = AF_NETLINK;
- addr.nl_groups = RTMGRP_LINK;
-
- if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
- err = -errno;
- close(sk);
- return err;
- }
-
- channel = g_io_channel_unix_new(sk);
- g_io_channel_set_close_on_unref(channel, TRUE);
+ struct ethernet_data *ethernet = connman_device_get_data(device);
- g_io_add_watch(channel, G_IO_IN | G_IO_NVAL | G_IO_HUP | G_IO_ERR,
- rtnl_event, NULL);
+ DBG("device %p", device);
- return 0;
+ return connman_inet_ifup(ethernet->index);
}
-static void rtnl_cleanup(void)
+static int ethernet_disable(struct connman_device *device)
{
- DBG("");
+ struct ethernet_data *ethernet = connman_device_get_data(device);
+
+ DBG("device %p", device);
- g_io_channel_shutdown(channel, TRUE, NULL);
- g_io_channel_unref(channel);
+ return connman_inet_ifdown(ethernet->index);
}
+static struct connman_device_driver ethernet_driver = {
+ .name = "ethernet",
+ .type = CONNMAN_DEVICE_TYPE_ETHERNET,
+ .probe = ethernet_probe,
+ .remove = ethernet_remove,
+ .enable = ethernet_enable,
+ .disable = ethernet_disable,
+};
+
static int ethernet_init(void)
{
- int err;
-
- err = rtnl_init();
- if (err < 0)
- return err;
-
- err = connman_driver_register(ðernet_driver);
- if (err < 0) {
- rtnl_cleanup();
- return err;
- }
-
- return 0;
+ return connman_device_driver_register(ðernet_driver);
}
static void ethernet_exit(void)
{
- connman_driver_unregister(ðernet_driver);
-
- rtnl_cleanup();
+ connman_device_driver_unregister(ðernet_driver);
}
-CONNMAN_PLUGIN_DEFINE("ethernet", "Ethernet interface plugin", VERSION,
- ethernet_init, ethernet_exit)
+CONNMAN_PLUGIN_DEFINE(ethernet, "Ethernet interface plugin", VERSION,
+ CONNMAN_PLUGIN_PRIORITY_DEFAULT, ethernet_init, ethernet_exit)
projects / connman / blobdiff