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https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git
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nmp_utils_lifetime_get() calculates the lifetime of addresses, and it bases the result on a "now" timestamp. If you have two addresses and calculate their expiry, then we want to base it on top of the same "now" timestamp, meaning, we should only call nm_utils_get_monotonic_timestamp_sec() once. This is also a performance optimization. But much more importantly, when we make a comparison at a certain moment, we need that all sides have the same understanding of the current timestamp. But nmp_utils_lifetime_get() does not always require the now timestamp. And the caller doesn't know, whether it will need it (short of knowing how nmp_utils_lifetime_get() is implemented). So, make the now parameter an in/out argument. If we pass in an already valid now timestamp, use that. Otherwise, fetch the current time and also return it.
95 lines
4.3 KiB
C
95 lines
4.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2015 Red Hat, Inc.
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*/
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#ifndef __NM_PLATFORM_UTILS_H__
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#define __NM_PLATFORM_UTILS_H__
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#include "libnm-base/nm-base.h"
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#include "libnm-platform/nmp-base.h"
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/*****************************************************************************/
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const char *nmp_utils_ethtool_get_driver(int ifindex);
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gboolean nmp_utils_ethtool_supports_carrier_detect(int ifindex);
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gboolean nmp_utils_ethtool_supports_vlans(int ifindex);
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int nmp_utils_ethtool_get_peer_ifindex(int ifindex);
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gboolean nmp_utils_ethtool_get_wake_on_lan(int ifindex);
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gboolean nmp_utils_ethtool_set_wake_on_lan(int ifindex,
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_NMSettingWiredWakeOnLan wol,
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const char *wol_password);
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const char *nm_platform_link_duplex_type_to_string(NMPlatformLinkDuplexType duplex);
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extern const guint8 _nmp_link_mode_all_advertised_modes_bits[79];
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extern const guint32 _nmp_link_mode_all_advertised_modes[3];
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gboolean nmp_utils_ethtool_get_link_settings(int ifindex,
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gboolean *out_autoneg,
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guint32 *out_speed,
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NMPlatformLinkDuplexType *out_duplex);
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gboolean nmp_utils_ethtool_set_link_settings(int ifindex,
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gboolean autoneg,
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guint32 speed,
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NMPlatformLinkDuplexType duplex);
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gboolean nmp_utils_ethtool_get_permanent_address(int ifindex, guint8 *buf, size_t *length);
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gboolean nmp_utils_ethtool_get_driver_info(int ifindex, NMPUtilsEthtoolDriverInfo *data);
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NMEthtoolFeatureStates *nmp_utils_ethtool_get_features(int ifindex);
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gboolean nmp_utils_ethtool_set_features(
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int ifindex,
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const NMEthtoolFeatureStates *features,
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const NMOptionBool *requested /* indexed by NMEthtoolID - _NM_ETHTOOL_ID_FEATURE_FIRST */,
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gboolean do_set /* or reset */);
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gboolean nmp_utils_ethtool_get_coalesce(int ifindex, NMEthtoolCoalesceState *coalesce);
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gboolean nmp_utils_ethtool_set_coalesce(int ifindex, const NMEthtoolCoalesceState *coalesce);
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gboolean nmp_utils_ethtool_get_ring(int ifindex, NMEthtoolRingState *ring);
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gboolean nmp_utils_ethtool_set_ring(int ifindex, const NMEthtoolRingState *ring);
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gboolean nmp_utils_ethtool_get_pause(int ifindex, NMEthtoolPauseState *pause);
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gboolean nmp_utils_ethtool_set_pause(int ifindex, const NMEthtoolPauseState *pause);
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/*****************************************************************************/
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gboolean nmp_utils_mii_supports_carrier_detect(int ifindex);
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struct udev_device;
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const char *nmp_utils_udev_get_driver(struct udev_device *udevice);
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NMIPConfigSource nmp_utils_ip_config_source_from_rtprot(guint8 rtprot) _nm_const;
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guint8 nmp_utils_ip_config_source_coerce_to_rtprot(NMIPConfigSource source) _nm_const;
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NMIPConfigSource nmp_utils_ip_config_source_coerce_from_rtprot(NMIPConfigSource source) _nm_const;
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NMIPConfigSource nmp_utils_ip_config_source_round_trip_rtprot(NMIPConfigSource source) _nm_const;
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const char *nmp_utils_ip_config_source_to_string(NMIPConfigSource source, char *buf, gsize len);
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const char *nmp_utils_if_indextoname(int ifindex, char *out_ifname /*IFNAMSIZ*/);
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int nmp_utils_if_nametoindex(const char *ifname);
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int nmp_utils_sysctl_open_netdir(int ifindex, const char *ifname_guess, char *out_ifname);
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char *nmp_utils_new_vlan_name(const char *parent_iface, guint32 vlan_id);
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const char *nmp_utils_new_infiniband_name(char *name, const char *parent_name, int p_key);
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guint32
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nmp_utils_lifetime_rebase_relative_time_on_now(guint32 timestamp, guint32 duration, gint32 now);
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guint32 nmp_utils_lifetime_get(guint32 timestamp,
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guint32 lifetime,
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guint32 preferred,
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gint32 *cached_now,
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guint32 *out_preferred);
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int nmp_utils_modprobe(GError **error, gboolean suppress_error_logging, const char *arg1, ...)
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G_GNUC_NULL_TERMINATED;
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#endif /* __NM_PLATFORM_UTILS_H__ */
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