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bonding: fix incorrect software timestamping report
[ Upstream commit a95b031 ] The __ethtool_get_ts_info function returns directly if the device has a get_ts_info() method. For bonding with an active slave, this works correctly as we simply return the real device's timestamping information. However, when there is no active slave, we only check the slave's TX software timestamp information. We still need to set the phc index and RX timestamp information manually. Otherwise, the result will be look like: Time stamping parameters for bond0: Capabilities: software-transmit PTP Hardware Clock: 0 Hardware Transmit Timestamp Modes: none Hardware Receive Filter Modes: none This issue does not affect VLAN or MACVLAN devices, as they only have one downlink and can directly use the downlink's timestamping information. Fixes: b8768dc ("net: ethtool: Refactor identical get_ts_info implementations.") Reported-by: Liang Li <liali@redhat.com> Closes: https://issues.redhat.com/browse/RHEL-42409 Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Acked-by: Kory Maincent <kory.maincent@bootlin.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
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