mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager
synced 2024-10-03 06:45:26 +00:00
platform/trivial: move code
This commit is contained in:
Thomas Haller
parent
a0229badd8
commit
f5171089af
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@ -127,6 +127,334 @@ static void cache_pre_hook (NMPCache *cache, const NMPObject *old, const NMPObje
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static gboolean event_handler_read_netlink_all (NMPlatform *platform, gboolean wait_for_acks);
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static gboolean event_handler_read_netlink_all (NMPlatform *platform, gboolean wait_for_acks);
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static NMPCacheOpsType cache_remove_netlink (NMPlatform *platform, const NMPObject *obj_needle, NMPObject **out_obj_cache, gboolean *out_was_visible, NMPlatformReason reason);
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static NMPCacheOpsType cache_remove_netlink (NMPlatform *platform, const NMPObject *obj_needle, NMPObject **out_obj_cache, gboolean *out_was_visible, NMPlatformReason reason);
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/******************************************************************
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* Support IFLA_INET6_ADDR_GEN_MODE
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******************************************************************/
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#if HAVE_LIBNL_INET6_ADDR_GEN_MODE
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static int _support_user_ipv6ll = 0;
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#define _support_user_ipv6ll_still_undecided() (G_UNLIKELY (_support_user_ipv6ll == 0))
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#else
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#define _support_user_ipv6ll_still_undecided() (FALSE)
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#endif
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static gboolean
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_support_user_ipv6ll_get (void)
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{
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#if HAVE_LIBNL_INET6_ADDR_GEN_MODE
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if (_support_user_ipv6ll_still_undecided ()) {
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_support_user_ipv6ll = -1;
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_LOG2W ("kernel support for IFLA_INET6_ADDR_GEN_MODE %s", "failed to detect; assume no support");
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} else
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return _support_user_ipv6ll > 0;
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#endif
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return FALSE;
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}
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static void
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_support_user_ipv6ll_detect (const struct rtnl_link *rtnl_link)
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{
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#if HAVE_LIBNL_INET6_ADDR_GEN_MODE
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/* If we ever see a link with valid IPv6 link-local address
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* generation modes, the kernel supports it.
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*/
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if (_support_user_ipv6ll_still_undecided ()) {
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uint8_t mode;
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if (rtnl_link_inet6_get_addr_gen_mode ((struct rtnl_link *) rtnl_link, &mode) == 0) {
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_support_user_ipv6ll = 1;
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_LOG2D ("kernel support for IFLA_INET6_ADDR_GEN_MODE %s", "detected");
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} else {
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_support_user_ipv6ll = -1;
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_LOG2D ("kernel support for IFLA_INET6_ADDR_GEN_MODE %s", "not detected");
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}
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}
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#endif
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}
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/******************************************************************
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* Various utilities
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******************************************************************/
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static guint
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_nm_ip_config_source_to_rtprot (NMIPConfigSource source)
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{
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switch (source) {
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case NM_IP_CONFIG_SOURCE_UNKNOWN:
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return RTPROT_UNSPEC;
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case NM_IP_CONFIG_SOURCE_KERNEL:
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case NM_IP_CONFIG_SOURCE_RTPROT_KERNEL:
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return RTPROT_KERNEL;
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case NM_IP_CONFIG_SOURCE_DHCP:
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return RTPROT_DHCP;
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case NM_IP_CONFIG_SOURCE_RDISC:
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return RTPROT_RA;
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default:
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return RTPROT_STATIC;
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}
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}
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static NMIPConfigSource
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_nm_ip_config_source_from_rtprot (guint rtprot)
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{
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switch (rtprot) {
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case RTPROT_UNSPEC:
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return NM_IP_CONFIG_SOURCE_UNKNOWN;
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case RTPROT_KERNEL:
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return NM_IP_CONFIG_SOURCE_RTPROT_KERNEL;
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case RTPROT_REDIRECT:
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return NM_IP_CONFIG_SOURCE_KERNEL;
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case RTPROT_RA:
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return NM_IP_CONFIG_SOURCE_RDISC;
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case RTPROT_DHCP:
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return NM_IP_CONFIG_SOURCE_DHCP;
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default:
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return NM_IP_CONFIG_SOURCE_USER;
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}
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}
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static void
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clear_host_address (int family, const void *network, int plen, void *dst)
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{
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g_return_if_fail (plen == (guint8)plen);
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g_return_if_fail (network);
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switch (family) {
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case AF_INET:
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*((in_addr_t *) dst) = nm_utils_ip4_address_clear_host_address (*((in_addr_t *) network), plen);
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break;
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case AF_INET6:
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nm_utils_ip6_address_clear_host_address ((struct in6_addr *) dst, (const struct in6_addr *) network, plen);
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break;
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default:
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g_assert_not_reached ();
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}
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}
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/******************************************************************
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* NMLinkType functions
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******************************************************************/
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typedef struct {
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const NMLinkType nm_type;
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const char *type_string;
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/* IFLA_INFO_KIND / rtnl_link_get_type() where applicable; the rtnl type
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* should only be specified if the device type can be created without
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* additional parameters, and if the device type can be determined from
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* the rtnl_type. eg, tun/tap should not be specified since both
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* tun and tap devices use "tun", and InfiniBand should not be
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* specified because a PKey is required at creation. Drivers set this
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* value from their 'struct rtnl_link_ops' structure.
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*/
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const char *rtnl_type;
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/* uevent DEVTYPE where applicable, from /sys/class/net/<ifname>/uevent;
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* drivers set this value from their SET_NETDEV_DEV() call and the
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* 'struct device_type' name member.
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*/
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const char *devtype;
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} LinkDesc;
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static const LinkDesc linktypes[] = {
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{ NM_LINK_TYPE_NONE, "none", NULL, NULL },
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{ NM_LINK_TYPE_UNKNOWN, "unknown", NULL, NULL },
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{ NM_LINK_TYPE_ETHERNET, "ethernet", NULL, NULL },
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{ NM_LINK_TYPE_INFINIBAND, "infiniband", NULL, NULL },
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{ NM_LINK_TYPE_OLPC_MESH, "olpc-mesh", NULL, NULL },
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{ NM_LINK_TYPE_WIFI, "wifi", NULL, "wlan" },
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{ NM_LINK_TYPE_WWAN_ETHERNET, "wwan", NULL, "wwan" },
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{ NM_LINK_TYPE_WIMAX, "wimax", "wimax", "wimax" },
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{ NM_LINK_TYPE_DUMMY, "dummy", "dummy", NULL },
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{ NM_LINK_TYPE_GRE, "gre", "gre", NULL },
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{ NM_LINK_TYPE_GRETAP, "gretap", "gretap", NULL },
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{ NM_LINK_TYPE_IFB, "ifb", "ifb", NULL },
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{ NM_LINK_TYPE_LOOPBACK, "loopback", NULL, NULL },
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{ NM_LINK_TYPE_MACVLAN, "macvlan", "macvlan", NULL },
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{ NM_LINK_TYPE_MACVTAP, "macvtap", "macvtap", NULL },
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{ NM_LINK_TYPE_OPENVSWITCH, "openvswitch", "openvswitch", NULL },
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{ NM_LINK_TYPE_TAP, "tap", NULL, NULL },
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{ NM_LINK_TYPE_TUN, "tun", NULL, NULL },
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{ NM_LINK_TYPE_VETH, "veth", "veth", NULL },
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{ NM_LINK_TYPE_VLAN, "vlan", "vlan", "vlan" },
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{ NM_LINK_TYPE_VXLAN, "vxlan", "vxlan", "vxlan" },
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{ NM_LINK_TYPE_BNEP, "bluetooth", NULL, "bluetooth" },
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{ NM_LINK_TYPE_BRIDGE, "bridge", "bridge", "bridge" },
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{ NM_LINK_TYPE_BOND, "bond", "bond", "bond" },
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{ NM_LINK_TYPE_TEAM, "team", "team", NULL },
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};
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static const char *
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nm_link_type_to_rtnl_type_string (NMLinkType type)
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{
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int i;
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for (i = 0; i < G_N_ELEMENTS (linktypes); i++) {
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if (type == linktypes[i].nm_type)
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return linktypes[i].rtnl_type;
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}
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g_return_val_if_reached (NULL);
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}
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const char *
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nm_link_type_to_string (NMLinkType type)
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{
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int i;
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for (i = 0; i < G_N_ELEMENTS (linktypes); i++) {
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if (type == linktypes[i].nm_type)
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return linktypes[i].type_string;
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}
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g_return_val_if_reached (NULL);
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}
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/******************************************************************
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* Utilities
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******************************************************************/
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/* _timestamp_nl_to_ms:
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* @timestamp_nl: a timestamp from ifa_cacheinfo.
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* @monotonic_ms: *now* in CLOCK_MONOTONIC. Needed to estimate the current
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* uptime and how often timestamp_nl wrapped.
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*
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* Convert the timestamp from ifa_cacheinfo to CLOCK_MONOTONIC milliseconds.
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* The ifa_cacheinfo fields tstamp and cstamp contains timestamps that counts
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* with in 1/100th of a second of clock_gettime(CLOCK_MONOTONIC). However,
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* the uint32 counter wraps every 497 days of uptime, so we have to compensate
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* for that. */
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static gint64
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_timestamp_nl_to_ms (guint32 timestamp_nl, gint64 monotonic_ms)
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{
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const gint64 WRAP_INTERVAL = (((gint64) G_MAXUINT32) + 1) * (1000 / 100);
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gint64 timestamp_nl_ms;
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/* convert timestamp from 1/100th of a second to msec. */
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timestamp_nl_ms = ((gint64) timestamp_nl) * (1000 / 100);
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/* timestamp wraps every 497 days. Try to compensate for that.*/
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if (timestamp_nl_ms > monotonic_ms) {
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/* timestamp_nl_ms is in the future. Truncate it to *now* */
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timestamp_nl_ms = monotonic_ms;
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} else if (monotonic_ms >= WRAP_INTERVAL) {
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timestamp_nl_ms += (monotonic_ms / WRAP_INTERVAL) * WRAP_INTERVAL;
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if (timestamp_nl_ms > monotonic_ms)
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timestamp_nl_ms -= WRAP_INTERVAL;
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}
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return timestamp_nl_ms;
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}
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static guint32
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_rtnl_addr_last_update_time_to_nm (const struct rtnl_addr *rtnladdr, gint32 *out_now_nm)
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{
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guint32 last_update_time = rtnl_addr_get_last_update_time ((struct rtnl_addr *) rtnladdr);
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struct timespec tp;
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gint64 now_nl, now_nm, result;
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int err;
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/* timestamp is unset. Default to 1. */
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if (!last_update_time) {
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if (out_now_nm)
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*out_now_nm = 0;
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return 1;
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}
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/* do all the calculations in milliseconds scale */
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err = clock_gettime (CLOCK_MONOTONIC, &tp);
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g_assert (err == 0);
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now_nm = nm_utils_get_monotonic_timestamp_ms ();
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now_nl = (((gint64) tp.tv_sec) * ((gint64) 1000)) +
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(tp.tv_nsec / (NM_UTILS_NS_PER_SECOND/1000));
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result = now_nm - (now_nl - _timestamp_nl_to_ms (last_update_time, now_nl));
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if (out_now_nm)
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*out_now_nm = now_nm / 1000;
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/* converting the last_update_time into nm_utils_get_monotonic_timestamp_ms() scale is
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* a good guess but fails in the following situations:
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*
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* - If the address existed before start of the process, the timestamp in nm scale would
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* be negative or zero. In this case we default to 1.
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* - during hibernation, the CLOCK_MONOTONIC/last_update_time drifts from
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* nm_utils_get_monotonic_timestamp_ms() scale.
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*/
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if (result <= 1000)
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return 1;
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if (result > now_nm)
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return now_nm / 1000;
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return result / 1000;
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}
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static guint32
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_extend_lifetime (guint32 lifetime, guint32 seconds)
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{
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guint64 v;
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if ( lifetime == NM_PLATFORM_LIFETIME_PERMANENT
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|| seconds == 0)
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return lifetime;
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v = (guint64) lifetime + (guint64) seconds;
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return MIN (v, NM_PLATFORM_LIFETIME_PERMANENT - 1);
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}
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/* The rtnl_addr object contains relative lifetimes @valid and @preferred
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* that count in seconds, starting from the moment when the kernel constructed
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* the netlink message.
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*
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* There is also a field rtnl_addr_last_update_time(), which is the absolute
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* time in 1/100th of a second of clock_gettime (CLOCK_MONOTONIC) when the address
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* was modified (wrapping every 497 days).
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* Immediately at the time when the address was last modified, #NOW and @last_update_time
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* are the same, so (only) in that case @valid and @preferred are anchored at @last_update_time.
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* However, this is not true in general. As time goes by, whenever kernel sends a new address
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* via netlink, the lifetimes keep counting down.
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**/
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static void
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_nlo_rtnl_addr_get_lifetimes (const struct rtnl_addr *rtnladdr,
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guint32 *out_timestamp,
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guint32 *out_lifetime,
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guint32 *out_preferred)
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{
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guint32 timestamp = 0;
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gint32 now;
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guint32 lifetime = rtnl_addr_get_valid_lifetime ((struct rtnl_addr *) rtnladdr);
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guint32 preferred = rtnl_addr_get_preferred_lifetime ((struct rtnl_addr *) rtnladdr);
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if ( lifetime != NM_PLATFORM_LIFETIME_PERMANENT
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|| preferred != NM_PLATFORM_LIFETIME_PERMANENT) {
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if (preferred > lifetime)
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preferred = lifetime;
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timestamp = _rtnl_addr_last_update_time_to_nm (rtnladdr, &now);
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if (now == 0) {
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/* strange. failed to detect the last-update time and assumed that timestamp is 1. */
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nm_assert (timestamp == 1);
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now = nm_utils_get_monotonic_timestamp_s ();
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}
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if (timestamp < now) {
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guint32 diff = now - timestamp;
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lifetime = _extend_lifetime (lifetime, diff);
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preferred = _extend_lifetime (preferred, diff);
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} else
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nm_assert (timestamp == now);
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}
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*out_timestamp = timestamp;
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*out_lifetime = lifetime;
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*out_preferred = preferred;
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}
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/******************************************************************
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/******************************************************************
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* libnl unility functions and wrappers
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* libnl unility functions and wrappers
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******************************************************************/
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******************************************************************/
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|
@ -513,50 +841,6 @@ errout:
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/******************************************************************/
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/******************************************************************/
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|
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#if HAVE_LIBNL_INET6_ADDR_GEN_MODE
|
|
||||||
static int _support_user_ipv6ll = 0;
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|
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#define _support_user_ipv6ll_still_undecided() (G_UNLIKELY (_support_user_ipv6ll == 0))
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#else
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#define _support_user_ipv6ll_still_undecided() (FALSE)
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#endif
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static gboolean
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_support_user_ipv6ll_get (void)
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|
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{
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|
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#if HAVE_LIBNL_INET6_ADDR_GEN_MODE
|
|
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if (_support_user_ipv6ll_still_undecided ()) {
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|
||||||
_support_user_ipv6ll = -1;
|
|
||||||
_LOG2W ("kernel support for IFLA_INET6_ADDR_GEN_MODE %s", "failed to detect; assume no support");
|
|
||||||
} else
|
|
||||||
return _support_user_ipv6ll > 0;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
_support_user_ipv6ll_detect (const struct rtnl_link *rtnl_link)
|
|
||||||
{
|
|
||||||
#if HAVE_LIBNL_INET6_ADDR_GEN_MODE
|
|
||||||
/* If we ever see a link with valid IPv6 link-local address
|
|
||||||
* generation modes, the kernel supports it.
|
|
||||||
*/
|
|
||||||
if (_support_user_ipv6ll_still_undecided ()) {
|
|
||||||
uint8_t mode;
|
|
||||||
|
|
||||||
if (rtnl_link_inet6_get_addr_gen_mode ((struct rtnl_link *) rtnl_link, &mode) == 0) {
|
|
||||||
_support_user_ipv6ll = 1;
|
|
||||||
_LOG2D ("kernel support for IFLA_INET6_ADDR_GEN_MODE %s", "detected");
|
|
||||||
} else {
|
|
||||||
_support_user_ipv6ll = -1;
|
|
||||||
_LOG2D ("kernel support for IFLA_INET6_ADDR_GEN_MODE %s", "not detected");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
}
|
|
||||||
|
|
||||||
/******************************************************************/
|
|
||||||
|
|
||||||
static int _support_kernel_extended_ifa_flags = 0;
|
static int _support_kernel_extended_ifa_flags = 0;
|
||||||
|
|
||||||
#define _support_kernel_extended_ifa_flags_still_undecided() (G_UNLIKELY (_support_kernel_extended_ifa_flags == 0))
|
#define _support_kernel_extended_ifa_flags_still_undecided() (G_UNLIKELY (_support_kernel_extended_ifa_flags == 0))
|
||||||
|
|
@ -596,127 +880,6 @@ _support_kernel_extended_ifa_flags_get (void)
|
||||||
return _support_kernel_extended_ifa_flags > 0;
|
return _support_kernel_extended_ifa_flags > 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
/******************************************************************
|
|
||||||
* Object type specific utilities
|
|
||||||
******************************************************************/
|
|
||||||
|
|
||||||
static guint
|
|
||||||
_nm_ip_config_source_to_rtprot (NMIPConfigSource source)
|
|
||||||
{
|
|
||||||
switch (source) {
|
|
||||||
case NM_IP_CONFIG_SOURCE_UNKNOWN:
|
|
||||||
return RTPROT_UNSPEC;
|
|
||||||
case NM_IP_CONFIG_SOURCE_KERNEL:
|
|
||||||
case NM_IP_CONFIG_SOURCE_RTPROT_KERNEL:
|
|
||||||
return RTPROT_KERNEL;
|
|
||||||
case NM_IP_CONFIG_SOURCE_DHCP:
|
|
||||||
return RTPROT_DHCP;
|
|
||||||
case NM_IP_CONFIG_SOURCE_RDISC:
|
|
||||||
return RTPROT_RA;
|
|
||||||
|
|
||||||
default:
|
|
||||||
return RTPROT_STATIC;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static NMIPConfigSource
|
|
||||||
_nm_ip_config_source_from_rtprot (guint rtprot)
|
|
||||||
{
|
|
||||||
switch (rtprot) {
|
|
||||||
case RTPROT_UNSPEC:
|
|
||||||
return NM_IP_CONFIG_SOURCE_UNKNOWN;
|
|
||||||
case RTPROT_KERNEL:
|
|
||||||
return NM_IP_CONFIG_SOURCE_RTPROT_KERNEL;
|
|
||||||
case RTPROT_REDIRECT:
|
|
||||||
return NM_IP_CONFIG_SOURCE_KERNEL;
|
|
||||||
case RTPROT_RA:
|
|
||||||
return NM_IP_CONFIG_SOURCE_RDISC;
|
|
||||||
case RTPROT_DHCP:
|
|
||||||
return NM_IP_CONFIG_SOURCE_DHCP;
|
|
||||||
|
|
||||||
default:
|
|
||||||
return NM_IP_CONFIG_SOURCE_USER;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/******************************************************************/
|
|
||||||
|
|
||||||
typedef struct {
|
|
||||||
const NMLinkType nm_type;
|
|
||||||
const char *type_string;
|
|
||||||
|
|
||||||
/* IFLA_INFO_KIND / rtnl_link_get_type() where applicable; the rtnl type
|
|
||||||
* should only be specified if the device type can be created without
|
|
||||||
* additional parameters, and if the device type can be determined from
|
|
||||||
* the rtnl_type. eg, tun/tap should not be specified since both
|
|
||||||
* tun and tap devices use "tun", and InfiniBand should not be
|
|
||||||
* specified because a PKey is required at creation. Drivers set this
|
|
||||||
* value from their 'struct rtnl_link_ops' structure.
|
|
||||||
*/
|
|
||||||
const char *rtnl_type;
|
|
||||||
|
|
||||||
/* uevent DEVTYPE where applicable, from /sys/class/net/<ifname>/uevent;
|
|
||||||
* drivers set this value from their SET_NETDEV_DEV() call and the
|
|
||||||
* 'struct device_type' name member.
|
|
||||||
*/
|
|
||||||
const char *devtype;
|
|
||||||
} LinkDesc;
|
|
||||||
|
|
||||||
static const LinkDesc linktypes[] = {
|
|
||||||
{ NM_LINK_TYPE_NONE, "none", NULL, NULL },
|
|
||||||
{ NM_LINK_TYPE_UNKNOWN, "unknown", NULL, NULL },
|
|
||||||
|
|
||||||
{ NM_LINK_TYPE_ETHERNET, "ethernet", NULL, NULL },
|
|
||||||
{ NM_LINK_TYPE_INFINIBAND, "infiniband", NULL, NULL },
|
|
||||||
{ NM_LINK_TYPE_OLPC_MESH, "olpc-mesh", NULL, NULL },
|
|
||||||
{ NM_LINK_TYPE_WIFI, "wifi", NULL, "wlan" },
|
|
||||||
{ NM_LINK_TYPE_WWAN_ETHERNET, "wwan", NULL, "wwan" },
|
|
||||||
{ NM_LINK_TYPE_WIMAX, "wimax", "wimax", "wimax" },
|
|
||||||
|
|
||||||
{ NM_LINK_TYPE_DUMMY, "dummy", "dummy", NULL },
|
|
||||||
{ NM_LINK_TYPE_GRE, "gre", "gre", NULL },
|
|
||||||
{ NM_LINK_TYPE_GRETAP, "gretap", "gretap", NULL },
|
|
||||||
{ NM_LINK_TYPE_IFB, "ifb", "ifb", NULL },
|
|
||||||
{ NM_LINK_TYPE_LOOPBACK, "loopback", NULL, NULL },
|
|
||||||
{ NM_LINK_TYPE_MACVLAN, "macvlan", "macvlan", NULL },
|
|
||||||
{ NM_LINK_TYPE_MACVTAP, "macvtap", "macvtap", NULL },
|
|
||||||
{ NM_LINK_TYPE_OPENVSWITCH, "openvswitch", "openvswitch", NULL },
|
|
||||||
{ NM_LINK_TYPE_TAP, "tap", NULL, NULL },
|
|
||||||
{ NM_LINK_TYPE_TUN, "tun", NULL, NULL },
|
|
||||||
{ NM_LINK_TYPE_VETH, "veth", "veth", NULL },
|
|
||||||
{ NM_LINK_TYPE_VLAN, "vlan", "vlan", "vlan" },
|
|
||||||
{ NM_LINK_TYPE_VXLAN, "vxlan", "vxlan", "vxlan" },
|
|
||||||
{ NM_LINK_TYPE_BNEP, "bluetooth", NULL, "bluetooth" },
|
|
||||||
|
|
||||||
{ NM_LINK_TYPE_BRIDGE, "bridge", "bridge", "bridge" },
|
|
||||||
{ NM_LINK_TYPE_BOND, "bond", "bond", "bond" },
|
|
||||||
{ NM_LINK_TYPE_TEAM, "team", "team", NULL },
|
|
||||||
};
|
|
||||||
|
|
||||||
static const char *
|
|
||||||
nm_link_type_to_rtnl_type_string (NMLinkType type)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
|
|
||||||
for (i = 0; i < G_N_ELEMENTS (linktypes); i++) {
|
|
||||||
if (type == linktypes[i].nm_type)
|
|
||||||
return linktypes[i].rtnl_type;
|
|
||||||
}
|
|
||||||
g_return_val_if_reached (NULL);
|
|
||||||
}
|
|
||||||
|
|
||||||
const char *
|
|
||||||
nm_link_type_to_string (NMLinkType type)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
|
|
||||||
for (i = 0; i < G_N_ELEMENTS (linktypes); i++) {
|
|
||||||
if (type == linktypes[i].nm_type)
|
|
||||||
return linktypes[i].type_string;
|
|
||||||
}
|
|
||||||
g_return_val_if_reached (NULL);
|
|
||||||
}
|
|
||||||
|
|
||||||
/******************************************************************
|
/******************************************************************
|
||||||
* NMPlatform types and functions
|
* NMPlatform types and functions
|
||||||
******************************************************************/
|
******************************************************************/
|
||||||
|
|
@ -1096,143 +1259,6 @@ _nmp_vt_cmd_plobj_init_from_nl_link (NMPlatform *platform, NMPlatformObject *_ob
|
||||||
return TRUE;
|
return TRUE;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* _timestamp_nl_to_ms:
|
|
||||||
* @timestamp_nl: a timestamp from ifa_cacheinfo.
|
|
||||||
* @monotonic_ms: *now* in CLOCK_MONOTONIC. Needed to estimate the current
|
|
||||||
* uptime and how often timestamp_nl wrapped.
|
|
||||||
*
|
|
||||||
* Convert the timestamp from ifa_cacheinfo to CLOCK_MONOTONIC milliseconds.
|
|
||||||
* The ifa_cacheinfo fields tstamp and cstamp contains timestamps that counts
|
|
||||||
* with in 1/100th of a second of clock_gettime(CLOCK_MONOTONIC). However,
|
|
||||||
* the uint32 counter wraps every 497 days of uptime, so we have to compensate
|
|
||||||
* for that. */
|
|
||||||
static gint64
|
|
||||||
_timestamp_nl_to_ms (guint32 timestamp_nl, gint64 monotonic_ms)
|
|
||||||
{
|
|
||||||
const gint64 WRAP_INTERVAL = (((gint64) G_MAXUINT32) + 1) * (1000 / 100);
|
|
||||||
gint64 timestamp_nl_ms;
|
|
||||||
|
|
||||||
/* convert timestamp from 1/100th of a second to msec. */
|
|
||||||
timestamp_nl_ms = ((gint64) timestamp_nl) * (1000 / 100);
|
|
||||||
|
|
||||||
/* timestamp wraps every 497 days. Try to compensate for that.*/
|
|
||||||
if (timestamp_nl_ms > monotonic_ms) {
|
|
||||||
/* timestamp_nl_ms is in the future. Truncate it to *now* */
|
|
||||||
timestamp_nl_ms = monotonic_ms;
|
|
||||||
} else if (monotonic_ms >= WRAP_INTERVAL) {
|
|
||||||
timestamp_nl_ms += (monotonic_ms / WRAP_INTERVAL) * WRAP_INTERVAL;
|
|
||||||
if (timestamp_nl_ms > monotonic_ms)
|
|
||||||
timestamp_nl_ms -= WRAP_INTERVAL;
|
|
||||||
}
|
|
||||||
|
|
||||||
return timestamp_nl_ms;
|
|
||||||
}
|
|
||||||
|
|
||||||
static guint32
|
|
||||||
_rtnl_addr_last_update_time_to_nm (const struct rtnl_addr *rtnladdr, gint32 *out_now_nm)
|
|
||||||
{
|
|
||||||
guint32 last_update_time = rtnl_addr_get_last_update_time ((struct rtnl_addr *) rtnladdr);
|
|
||||||
struct timespec tp;
|
|
||||||
gint64 now_nl, now_nm, result;
|
|
||||||
int err;
|
|
||||||
|
|
||||||
/* timestamp is unset. Default to 1. */
|
|
||||||
if (!last_update_time) {
|
|
||||||
if (out_now_nm)
|
|
||||||
*out_now_nm = 0;
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* do all the calculations in milliseconds scale */
|
|
||||||
|
|
||||||
err = clock_gettime (CLOCK_MONOTONIC, &tp);
|
|
||||||
g_assert (err == 0);
|
|
||||||
now_nm = nm_utils_get_monotonic_timestamp_ms ();
|
|
||||||
now_nl = (((gint64) tp.tv_sec) * ((gint64) 1000)) +
|
|
||||||
(tp.tv_nsec / (NM_UTILS_NS_PER_SECOND/1000));
|
|
||||||
|
|
||||||
result = now_nm - (now_nl - _timestamp_nl_to_ms (last_update_time, now_nl));
|
|
||||||
|
|
||||||
if (out_now_nm)
|
|
||||||
*out_now_nm = now_nm / 1000;
|
|
||||||
|
|
||||||
/* converting the last_update_time into nm_utils_get_monotonic_timestamp_ms() scale is
|
|
||||||
* a good guess but fails in the following situations:
|
|
||||||
*
|
|
||||||
* - If the address existed before start of the process, the timestamp in nm scale would
|
|
||||||
* be negative or zero. In this case we default to 1.
|
|
||||||
* - during hibernation, the CLOCK_MONOTONIC/last_update_time drifts from
|
|
||||||
* nm_utils_get_monotonic_timestamp_ms() scale.
|
|
||||||
*/
|
|
||||||
if (result <= 1000)
|
|
||||||
return 1;
|
|
||||||
|
|
||||||
if (result > now_nm)
|
|
||||||
return now_nm / 1000;
|
|
||||||
|
|
||||||
return result / 1000;
|
|
||||||
}
|
|
||||||
|
|
||||||
static guint32
|
|
||||||
_extend_lifetime (guint32 lifetime, guint32 seconds)
|
|
||||||
{
|
|
||||||
guint64 v;
|
|
||||||
|
|
||||||
if ( lifetime == NM_PLATFORM_LIFETIME_PERMANENT
|
|
||||||
|| seconds == 0)
|
|
||||||
return lifetime;
|
|
||||||
|
|
||||||
v = (guint64) lifetime + (guint64) seconds;
|
|
||||||
return MIN (v, NM_PLATFORM_LIFETIME_PERMANENT - 1);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* The rtnl_addr object contains relative lifetimes @valid and @preferred
|
|
||||||
* that count in seconds, starting from the moment when the kernel constructed
|
|
||||||
* the netlink message.
|
|
||||||
*
|
|
||||||
* There is also a field rtnl_addr_last_update_time(), which is the absolute
|
|
||||||
* time in 1/100th of a second of clock_gettime (CLOCK_MONOTONIC) when the address
|
|
||||||
* was modified (wrapping every 497 days).
|
|
||||||
* Immediately at the time when the address was last modified, #NOW and @last_update_time
|
|
||||||
* are the same, so (only) in that case @valid and @preferred are anchored at @last_update_time.
|
|
||||||
* However, this is not true in general. As time goes by, whenever kernel sends a new address
|
|
||||||
* via netlink, the lifetimes keep counting down.
|
|
||||||
**/
|
|
||||||
static void
|
|
||||||
_nlo_rtnl_addr_get_lifetimes (const struct rtnl_addr *rtnladdr,
|
|
||||||
guint32 *out_timestamp,
|
|
||||||
guint32 *out_lifetime,
|
|
||||||
guint32 *out_preferred)
|
|
||||||
{
|
|
||||||
guint32 timestamp = 0;
|
|
||||||
gint32 now;
|
|
||||||
guint32 lifetime = rtnl_addr_get_valid_lifetime ((struct rtnl_addr *) rtnladdr);
|
|
||||||
guint32 preferred = rtnl_addr_get_preferred_lifetime ((struct rtnl_addr *) rtnladdr);
|
|
||||||
|
|
||||||
if ( lifetime != NM_PLATFORM_LIFETIME_PERMANENT
|
|
||||||
|| preferred != NM_PLATFORM_LIFETIME_PERMANENT) {
|
|
||||||
if (preferred > lifetime)
|
|
||||||
preferred = lifetime;
|
|
||||||
timestamp = _rtnl_addr_last_update_time_to_nm (rtnladdr, &now);
|
|
||||||
|
|
||||||
if (now == 0) {
|
|
||||||
/* strange. failed to detect the last-update time and assumed that timestamp is 1. */
|
|
||||||
nm_assert (timestamp == 1);
|
|
||||||
now = nm_utils_get_monotonic_timestamp_s ();
|
|
||||||
}
|
|
||||||
if (timestamp < now) {
|
|
||||||
guint32 diff = now - timestamp;
|
|
||||||
|
|
||||||
lifetime = _extend_lifetime (lifetime, diff);
|
|
||||||
preferred = _extend_lifetime (preferred, diff);
|
|
||||||
} else
|
|
||||||
nm_assert (timestamp == now);
|
|
||||||
}
|
|
||||||
*out_timestamp = timestamp;
|
|
||||||
*out_lifetime = lifetime;
|
|
||||||
*out_preferred = preferred;
|
|
||||||
}
|
|
||||||
|
|
||||||
gboolean
|
gboolean
|
||||||
_nmp_vt_cmd_plobj_init_from_nl_ip4_address (NMPlatform *platform, NMPlatformObject *_obj, const struct nl_object *_nlo, gboolean id_only, gboolean complete_from_cache)
|
_nmp_vt_cmd_plobj_init_from_nl_ip4_address (NMPlatform *platform, NMPlatformObject *_obj, const struct nl_object *_nlo, gboolean id_only, gboolean complete_from_cache)
|
||||||
{
|
{
|
||||||
|
|
@ -4305,24 +4331,6 @@ ip6_route_get_all (NMPlatform *platform, int ifindex, NMPlatformGetRouteFlags fl
|
||||||
return ipx_route_get_all (platform, ifindex, NMP_OBJECT_TYPE_IP6_ROUTE, flags);
|
return ipx_route_get_all (platform, ifindex, NMP_OBJECT_TYPE_IP6_ROUTE, flags);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void
|
|
||||||
clear_host_address (int family, const void *network, int plen, void *dst)
|
|
||||||
{
|
|
||||||
g_return_if_fail (plen == (guint8)plen);
|
|
||||||
g_return_if_fail (network);
|
|
||||||
|
|
||||||
switch (family) {
|
|
||||||
case AF_INET:
|
|
||||||
*((in_addr_t *) dst) = nm_utils_ip4_address_clear_host_address (*((in_addr_t *) network), plen);
|
|
||||||
break;
|
|
||||||
case AF_INET6:
|
|
||||||
nm_utils_ip6_address_clear_host_address ((struct in6_addr *) dst, (const struct in6_addr *) network, plen);
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
g_assert_not_reached ();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static struct nl_object *
|
static struct nl_object *
|
||||||
build_rtnl_route (int family, int ifindex, NMIPConfigSource source,
|
build_rtnl_route (int family, int ifindex, NMIPConfigSource source,
|
||||||
gconstpointer network, int plen, gconstpointer gateway,
|
gconstpointer network, int plen, gconstpointer gateway,
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue