Filter by IP address, source and or destination IP Address

ip.addr192.168.1.1 ip.src192.168.1.1 ip.dst192.168.1.1 (ip.src192.168.1.1)||(ip.dst192.168.1.1) (ip.src192.168.1.1)&&(ip.dst==192.168.1.1)

To Exclude an IP Address :

!(ip.addr==192.168.1.1)