syn_drop         5790 net/ipv4/tcp_input.c 	bool syn_drop = false;
syn_drop         5811 net/ipv4/tcp_input.c 		syn_drop = (cookie->len < 0 && data);
syn_drop         5820 net/ipv4/tcp_input.c 	tcp_fastopen_cache_set(sk, mss, cookie, syn_drop, try_exp);