24 	socklen_t optlen;  in getsetsockopt()  local
35 	optlen = getpagesize() * 2;  in getsetsockopt()
36 	big_buf = calloc(1, optlen);  in getsetsockopt()
43 	err = setsockopt(fd, SOL_IP, IP_TOS, big_buf, optlen);  in getsetsockopt()
49 	memset(big_buf, 0, optlen);  in getsetsockopt()
50 	optlen = 1;  in getsetsockopt()
51 	err = getsockopt(fd, SOL_IP, IP_TOS, big_buf, &optlen);  in getsetsockopt()
82 	optlen = 4;  in getsetsockopt()
83 	err = getsockopt(fd, SOL_CUSTOM, 0, &buf, &optlen);  in getsetsockopt()
89 	if (optlen != 1) {  in getsetsockopt()
90 		log_err("Unexpected optlen %d != 1", optlen);  in getsetsockopt()
100 	optlen = getpagesize() * 2;  in getsetsockopt()
101 	memset(big_buf, 0, optlen);  in getsetsockopt()
103 	err = setsockopt(fd, SOL_IP, IP_FREEBIND, big_buf, optlen);  in getsetsockopt()
109 	err = getsockopt(fd, SOL_IP, IP_FREEBIND, big_buf, &optlen);  in getsetsockopt()
115 	if (optlen != 1 || *(__u8 *)big_buf != 0x55) {  in getsetsockopt()
117 			optlen, *(__u8 *)big_buf);  in getsetsockopt()
130 	optlen = 4;  in getsetsockopt()
131 	err = getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &buf, &optlen);  in getsetsockopt()
153 	optlen = sizeof(buf.cc);  in getsetsockopt()
154 	err = getsockopt(fd, SOL_TCP, TCP_CONGESTION, &buf, &optlen);  in getsetsockopt()
168 	optlen = sizeof(buf.zc);  in getsetsockopt()
169 	err = getsockopt(fd, SOL_TCP, TCP_ZEROCOPY_RECEIVE, &buf, &optlen);  in getsetsockopt()
178 	optlen = sizeof(buf.zc);  in getsetsockopt()
180 	err = getsockopt(fd, SOL_TCP, TCP_ZEROCOPY_RECEIVE, &buf, &optlen);  in getsetsockopt()
197 	optlen = sizeof(__u32);  in getsetsockopt()
198 	err = setsockopt(fd, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, &buf, optlen);  in getsetsockopt()
205 	optlen = 0;  in getsetsockopt()
206 	err = getsockopt(fd, SOL_NETLINK, NETLINK_LIST_MEMBERSHIPS, NULL, &optlen);  in getsetsockopt()
212 	ASSERT_EQ(optlen, 8, "Unexpected NETLINK_LIST_MEMBERSHIPS value");  in getsetsockopt()