dccp_reqsk_send_ack 232 net/dccp/dccp.h extern void dccp_reqsk_send_ack(struct sock *sk, struct sk_buff *skb, dccp_reqsk_send_ack 555 net/dccp/ipv4.c .send_ack = dccp_reqsk_send_ack, dccp_reqsk_send_ack 360 net/dccp/ipv6.c .send_ack = dccp_reqsk_send_ack,