Wireless sync of iPhone to wired mac
Bonjour driver that is used to handle Wi-Fi sync between OS and iOS device requires WLAN connection. 

If your Mac doesn't have Wi-Fi enabled, you may need some additional configuration. Check this article: https://discussions.apple.com/thread/5092691

Also, Bonjour requires multicasting, so you will need to configure it if you have a mesh network. Check this article if the previous one won't help:
https://superuser.com/questions/328205/how-can-i-get-bonjour-to-work-over-my-wireless-network

Not sure about this one, but could be also useful:
https://community.cisco.com/t5/switching/routing-multicast-apple-bonjour-specifically-in-routed-vlan-d/td-p/1504513