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29372f07f7
Extract the PTP timestamp handling logic from ocelot_port_xmit() into a separate ocelot_xmit_timestamp() helper function. This is a pure refactor with no behavioral change. The helper returns false if the skb was consumed (freed) due to a timestamp request failure, and true if the caller should continue with frame injection. The rew_op value is returned via pointer. This prepares for splitting ocelot_port_xmit() into separate FDMA and register injection paths in a subsequent patch. Signed-off-by: Ziyi Guo <n7l8m4@u.northwestern.edu> Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://patch.msgid.link/20260208225602.1339325-2-n7l8m4@u.northwestern.edu Signed-off-by: Jakub Kicinski <kuba@kernel.org>