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platform: move nm_platform_tun_get_properties() to NMPlatform base class

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This function only accesses sysctl function to retrieve the tun-properties.
sysctl is already defined in the base class and equally inherited by linux
and fake platform. Move the implementation there.
This commit is contained in:
Thomas Haller
2015-10-13 16:08:30 +02:00
parent c91a4617a1
commit b931b09601
4 changed files with 69 additions and 82 deletions
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74
src/platform/nm-linux-platform.c
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@@ -119,7 +119,6 @@ typedef enum {
DELAYED_ACTION_TYPE_MAX = __DELAYED_ACTION_TYPE_MAX -1,
} DelayedActionType;
static gboolean tun_get_properties_ifname (NMPlatform *platform, const char *ifname, NMPlatformTunProperties *props);
static void delayed_action_schedule (NMPlatform *platform, DelayedActionType action_type, gpointer user_data);
static gboolean delayed_action_handle_all (NMPlatform *platform, gboolean read_netlink);
static void do_request_link (NMPlatform *platform, int ifindex, const char *name, gboolean handle_delayed_action);
@@ -916,7 +915,7 @@ link_extract_type (NMPlatform *platform, struct rtnl_link *rtnllink, gboolean *c
NMPlatformTunProperties props;
guint flags;
if (tun_get_properties_ifname (platform, rtnl_link_get_name (rtnllink), &props)) {
if (nm_platform_tun_get_properties_ifname (platform, rtnl_link_get_name (rtnllink), &props)) {
if (!g_strcmp0 (props.mode, "tap"))
return NM_LINK_TYPE_TAP;
if (!g_strcmp0 (props.mode, "tun"))
@@ -3546,76 +3545,6 @@ veth_get_properties (NMPlatform *platform, int ifindex, NMPlatformVethProperties
/******************************************************************/
static gboolean
tun_get_properties_ifname (NMPlatform *platform, const char *ifname, NMPlatformTunProperties *props)
{
char *path, *val;
gboolean success = TRUE;
g_return_val_if_fail (props, FALSE);
memset (props, 0, sizeof (*props));
props->owner = -1;
props->group = -1;
if (!ifname || !nm_utils_iface_valid_name (ifname))
return FALSE;
ifname = ASSERT_VALID_PATH_COMPONENT (ifname);
path = g_strdup_printf ("/sys/class/net/%s/owner", ifname);
val = nm_platform_sysctl_get (platform, path);
g_free (path);
if (val) {
props->owner = _nm_utils_ascii_str_to_int64 (val, 10, -1, G_MAXINT64, -1);
if (errno)
success = FALSE;
g_free (val);
} else
success = FALSE;
path = g_strdup_printf ("/sys/class/net/%s/group", ifname);
val = nm_platform_sysctl_get (platform, path);
g_free (path);
if (val) {
props->group = _nm_utils_ascii_str_to_int64 (val, 10, -1, G_MAXINT64, -1);
if (errno)
success = FALSE;
g_free (val);
} else
success = FALSE;
path = g_strdup_printf ("/sys/class/net/%s/tun_flags", ifname);
val = nm_platform_sysctl_get (platform, path);
g_free (path);
if (val) {
gint64 flags;
flags = _nm_utils_ascii_str_to_int64 (val, 16, 0, G_MAXINT64, 0);
if (!errno) {
#ifndef IFF_MULTI_QUEUE
const int IFF_MULTI_QUEUE = 0x0100;
#endif
props->mode = ((flags & (IFF_TUN | IFF_TAP)) == IFF_TUN) ? "tun" : "tap";
props->no_pi = !!(flags & IFF_NO_PI);
props->vnet_hdr = !!(flags & IFF_VNET_HDR);
props->multi_queue = !!(flags & IFF_MULTI_QUEUE);
} else
success = FALSE;
g_free (val);
} else
success = FALSE;
return success;
}
static gboolean
tun_get_properties (NMPlatform *platform, int ifindex, NMPlatformTunProperties *props)
{
return tun_get_properties_ifname (platform, nm_platform_link_get_name (platform, ifindex), props);
}
/******************************************************************/
static const struct nla_policy macvlan_info_policy[IFLA_MACVLAN_MAX + 1] = {
[IFLA_MACVLAN_MODE] = { .type = NLA_U32 },
#ifdef MACVLAN_FLAG_NOPROMISC
@@ -5120,7 +5049,6 @@ nm_linux_platform_class_init (NMLinuxPlatformClass *klass)
platform_class->infiniband_get_info = infiniband_get_info;
platform_class->veth_get_properties = veth_get_properties;
platform_class->tun_get_properties = tun_get_properties;
platform_class->macvlan_get_properties = macvlan_get_properties;
platform_class->vxlan_get_properties = vxlan_get_properties;
platform_class->gre_get_properties = gre_get_properties;