- tx(s1, argv[1], ifindex1, addr1, addr2);
- tx(s1, argv[1], ifindex1, addr1, bcast);
- tx(s2, argv[2], ifindex2, addr2, addr1);
- tx(s2, argv[2], ifindex2, addr2, bcast);
+ tx(s1, s_ifname, ifindex1, addr1, addr2, tos);
+ tx(s1, s_ifname, ifindex1, addr1, bcast, tos);
+ tx(s2, d_ifname, ifindex2, addr2, addr1, tos);
+ tx(s2, d_ifname, ifindex2, addr2, bcast, tos);