tcp_ioctl 335 include/net/tcp.h int tcp_ioctl(struct sock *sk, int cmd, unsigned long arg); tcp_ioctl 646 net/ipv4/tcp.c EXPORT_SYMBOL(tcp_ioctl); tcp_ioctl 2580 net/ipv4/tcp_ipv4.c .ioctl = tcp_ioctl, tcp_ioctl 2014 net/ipv6/tcp_ipv6.c .ioctl = tcp_ioctl,