ipv4_default_advmss 137 net/ipv4/route.c static unsigned int ipv4_default_advmss(const struct dst_entry *dst); ipv4_default_advmss 162 net/ipv4/route.c .default_advmss = ipv4_default_advmss, ipv4_default_advmss 2671 net/ipv4/route.c .default_advmss = ipv4_default_advmss,