#include <unistd.h>
#include <string.h>
+#include <sys/ioctl.h>
#include <sys/socket.h>
#include <linux/if.h>
#include <linux/netlink.h>
#include <connman/plugin.h>
#include <connman/driver.h>
+#include <connman/rtnl.h>
#include <connman/log.h>
-static GStaticMutex ethernet_mutex = G_STATIC_MUTEX_INIT;
-static GSList *ethernet_list = NULL;
-
-static GStaticMutex element_mutex = G_STATIC_MUTEX_INIT;
-static GSList *element_list = NULL;
-
-static void create_element(struct connman_element *parent,
- enum connman_element_type type)
-{
- struct connman_element *element;
-
- DBG("parent %p name %s", parent, parent->name);
-
- element = connman_element_create();
-
- element->type = type;
- element->netdev.index = parent->netdev.index;
- element->netdev.name = g_strdup(parent->netdev.name);
-
- g_static_mutex_lock(&element_mutex);
- element_list = g_slist_append(element_list, element);
- g_static_mutex_unlock(&element_mutex);
-
- connman_element_register(element, parent);
-}
-
-static void remove_elements(struct connman_element *parent)
-{
- GSList *list = element_list;
-
- DBG("parent %p name %s", parent, parent->name);
-
- g_static_mutex_lock(&element_mutex);
-
- while (list) {
- GSList *next = list->next;
- struct connman_element *element = list->data;
-
- if (element->netdev.index != parent->netdev.index) {
- list = next;
- continue;
- }
-
- element_list = g_slist_delete_link(element_list, list);
-
- connman_element_unregister(element);
-
- connman_element_unref(element);
-
- list = next;
- }
+struct ethernet_data {
+ int index;
+ unsigned flags;
+};
- g_static_mutex_unlock(&element_mutex);
-}
+static GSList *ethernet_list = NULL;
-static void rtnl_link(struct nlmsghdr *hdr, const char *type)
+static void ethernet_newlink(unsigned short type, int index,
+ unsigned flags, unsigned change)
{
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);
+ DBG("index %d flags %ld change %ld", index, flags, change);
for (list = ethernet_list; list; list = list->next) {
struct connman_element *element = list->data;
+ struct connman_element *netdev;
+ struct ethernet_data *ethernet;
- if (element->type != CONNMAN_ELEMENT_TYPE_DEVICE)
+ ethernet = connman_element_get_data(element);
+ if (ethernet == NULL)
continue;
- if (element->netdev.index != msg->ifi_index)
+ if (ethernet->index != index)
continue;
- if ((element->netdev.flags & IFF_RUNNING) ==
- (msg->ifi_flags & IFF_RUNNING))
+ if ((ethernet->flags & IFF_RUNNING) == (flags & IFF_RUNNING))
continue;
- element->netdev.flags = msg->ifi_flags;
+ ethernet->flags = flags;
- if (msg->ifi_flags & IFF_RUNNING) {
+ if (ethernet->flags & IFF_RUNNING) {
DBG("carrier on");
- create_element(element, CONNMAN_ELEMENT_TYPE_DHCP);
- create_element(element, CONNMAN_ELEMENT_TYPE_ZEROCONF);
+ netdev = connman_element_create(NULL);
+ if (netdev != NULL) {
+ netdev->type = CONNMAN_ELEMENT_TYPE_DEVICE;
+ netdev->subtype = CONNMAN_ELEMENT_SUBTYPE_NETWORK;
+ netdev->index = element->index;
+
+ connman_element_register(netdev, element);
+ }
} else {
DBG("carrier off");
- remove_elements(element);
+ connman_element_unregister_children(element);
}
}
-
- g_static_mutex_unlock(ðernet_mutex);
}
-static gboolean rtnl_event(GIOChannel *chan, GIOCondition cond, gpointer data)
+static struct connman_rtnl ethernet_rtnl = {
+ .name = "ethernet",
+ .newlink = ethernet_newlink,
+};
+
+static int iface_up(struct ethernet_data *ethernet)
{
- unsigned char buf[1024];
- void *ptr = buf;
- gsize len;
- GIOError err;
+ struct ifreq ifr;
+ int sk, err;
- if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR))
- return FALSE;
+ DBG("index %d flags %d", ethernet->index, ethernet->flags);
- memset(buf, 0, sizeof(buf));
+ sk = socket(PF_INET, SOCK_DGRAM, 0);
+ if (sk < 0)
+ return -errno;
+
+ memset(&ifr, 0, sizeof(ifr));
+ ifr.ifr_ifindex = ethernet->index;
- err = g_io_channel_read(chan, (gchar *) buf, sizeof(buf), &len);
- if (err) {
- if (err == G_IO_ERROR_AGAIN)
- return TRUE;
- return FALSE;
+ if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
+ err = -errno;
+ goto done;
}
- DBG("buf %p len %zd", buf, len);
+ if (ioctl(sk, SIOCGIFFLAGS, &ifr) < 0) {
+ err = -errno;
+ goto done;
+ }
- while (len > 0) {
- struct nlmsghdr *hdr = ptr;
- struct nlmsgerr *err;
+ if (ifr.ifr_flags & IFF_UP) {
+ err = -EALREADY;
+ goto done;
+ }
- if (!NLMSG_OK(hdr, len))
- break;
+ ifr.ifr_flags |= IFF_UP;
- DBG("len %d type %d flags 0x%04x seq %d",
- hdr->nlmsg_len, hdr->nlmsg_type,
- hdr->nlmsg_flags, hdr->nlmsg_seq);
+ if (ioctl(sk, SIOCSIFFLAGS, &ifr) < 0) {
+ err = -errno;
+ goto done;
+ }
- switch (hdr->nlmsg_type) {
- case NLMSG_ERROR:
- err = NLMSG_DATA(hdr);
- DBG("ERROR %d (%s)", -err->error,
- strerror(-err->error));
- break;
+ err = 0;
- case RTM_NEWLINK:
- rtnl_link(hdr, "NEWLINK");
- break;
+done:
+ close(sk);
- case RTM_DELLINK:
- rtnl_link(hdr, "DELLINK");
- break;
- }
+ return err;
+}
- len -= hdr->nlmsg_len;
- ptr += hdr->nlmsg_len;
- }
+static int iface_down(struct ethernet_data *ethernet)
+{
+ struct ifreq ifr;
+ int sk, err;
- return TRUE;
-}
+ DBG("index %d flags %d", ethernet->index, ethernet->flags);
-static GIOChannel *channel = NULL;
+ sk = socket(PF_INET, SOCK_DGRAM, 0);
+ if (sk < 0)
+ return -errno;
-static int rtnl_request(void)
-{
- struct {
- struct nlmsghdr hdr;
- struct rtgenmsg msg;
- } req;
+ memset(&ifr, 0, sizeof(ifr));
+ ifr.ifr_ifindex = ethernet->index;
- struct sockaddr_nl addr;
- int sk;
+ if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
+ err = -errno;
+ goto done;
+ }
- DBG("");
+ if (ioctl(sk, SIOCGIFFLAGS, &ifr) < 0) {
+ err = -errno;
+ goto done;
+ }
- 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;
+ if (!(ifr.ifr_flags & IFF_UP)) {
+ err = -EALREADY;
+ goto done;
+ }
- sk = g_io_channel_unix_get_fd(channel);
+ ifr.ifr_flags &= ~IFF_UP;
- memset(&addr, 0, sizeof(addr));
- addr.nl_family = AF_NETLINK;
+ if (ioctl(sk, SIOCSIFFLAGS, &ifr) < 0)
+ err = -errno;
+ else
+ err = 0;
+
+done:
+ close(sk);
- return sendto(sk, &req, sizeof(req), 0,
- (struct sockaddr *) &addr, sizeof(addr));
+ return err;
}
static int ethernet_probe(struct connman_element *element)
{
+ struct ethernet_data *ethernet;
+
DBG("element %p name %s", element, element->name);
- g_static_mutex_lock(ðernet_mutex);
+ ethernet = g_try_new0(struct ethernet_data, 1);
+ if (ethernet == NULL)
+ return -ENOMEM;
+
ethernet_list = g_slist_append(ethernet_list, element);
- g_static_mutex_unlock(ðernet_mutex);
- rtnl_request();
+ connman_element_set_data(element, ethernet);
+
+ ethernet->index = element->index;
+
+ iface_up(ethernet);
+
+ connman_rtnl_send_getlink();
return 0;
}
static void ethernet_remove(struct connman_element *element)
{
+ struct ethernet_data *ethernet = connman_element_get_data(element);
+
DBG("element %p name %s", element, element->name);
- g_static_mutex_lock(ðernet_mutex);
+ connman_element_set_data(element, NULL);
+
+ iface_down(ethernet);
+
ethernet_list = g_slist_remove(ethernet_list, element);
- g_static_mutex_unlock(ðernet_mutex);
+
+ g_free(ethernet);
}
static struct connman_driver ethernet_driver = {
.remove = ethernet_remove,
};
-static int rtnl_init(void)
-{
- 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);
-
- g_io_add_watch(channel, G_IO_IN | G_IO_NVAL | G_IO_HUP | G_IO_ERR,
- rtnl_event, NULL);
-
- return 0;
-}
-
-static void rtnl_cleanup(void)
-{
- DBG("");
-
- g_io_channel_shutdown(channel, TRUE, NULL);
- g_io_channel_unref(channel);
-
- channel = NULL;
-}
-
static int ethernet_init(void)
{
int err;
- err = rtnl_init();
+ err = connman_rtnl_register(ðernet_rtnl);
if (err < 0)
return err;
err = connman_driver_register(ðernet_driver);
if (err < 0) {
- rtnl_cleanup();
+ connman_rtnl_unregister(ðernet_rtnl);
return err;
}
{
connman_driver_unregister(ðernet_driver);
- rtnl_cleanup();
+ connman_rtnl_unregister(ðernet_rtnl);
}
CONNMAN_PLUGIN_DEFINE("ethernet", "Ethernet interface plugin", VERSION,
projects / connman / blobdiff