751 static int do_ping(int cmd_fd, char *buf, size_t buf_len, struct in_addr from,  in do_ping()  argument
769 	write_msg(cmd_fd, &msg, 0);  in do_ping()
772 		read_msg(cmd_fd, &msg, 0);  in do_ping()
1742 		unsigned int nr, int cmd_fd, void *buf, struct xfrm_desc *desc)  in child_serv()  argument
1754 	if (do_ping(cmd_fd, buf, page_size, src, true, 0, 0, udp_ping_send)) {  in child_serv()
1762 	write_msg(cmd_fd, &msg, 1);  in child_serv()
1772 	write_msg(cmd_fd, &msg, 1);  in child_serv()
1779 	if (do_ping(cmd_fd, buf, page_size, tunsrc,  in child_serv()
1791 	write_msg(cmd_fd, &msg, 1);  in child_serv()
1802 	write_msg(cmd_fd, &msg, 1);  in child_serv()
1810 static int child_f(unsigned int nr, int test_desc_fd, int cmd_fd, void *buf)  in child_f()  argument
1828 	write_msg(cmd_fd, &msg, 1);  in child_f()
1829 	read_msg(cmd_fd, &msg, 1);  in child_f()
1850 					 cmd_fd, buf, &desc);  in child_f()
1878 	write_msg(cmd_fd, &msg, 1);  in child_f()
1882 static void grand_child_serv(unsigned int nr, int cmd_fd, void *buf,  in grand_child_serv()  argument
1898 		write_msg(cmd_fd, msg, 1);  in grand_child_serv()
1903 		if (do_ping(cmd_fd, buf, page_size, tun_reply ? tunsrc : src,  in grand_child_serv()
1939 static int grand_child_f(unsigned int nr, int cmd_fd, void *buf)  in grand_child_f()  argument
1954 		read_msg(cmd_fd, &msg, 1);  in grand_child_f()
1955 		grand_child_serv(nr, cmd_fd, buf, &msg, xfrm_sock, &seq);  in grand_child_f()