sysctl_tcp_mtu_probe_floor 119 include/net/netns/ipv4.h int sysctl_tcp_mtu_probe_floor; sysctl_tcp_mtu_probe_floor 824 net/ipv4/sysctl_net_ipv4.c .data = &init_net.ipv4.sysctl_tcp_mtu_probe_floor, sysctl_tcp_mtu_probe_floor 2664 net/ipv4/tcp_ipv4.c net->ipv4.sysctl_tcp_mtu_probe_floor = TCP_MIN_SND_MSS; sysctl_tcp_mtu_probe_floor 157 net/ipv4/tcp_timer.c mss = max(mss, net->ipv4.sysctl_tcp_mtu_probe_floor);