639 static bool setsockopt_needs_rtnl(int optname)  in setsockopt_needs_rtnl()  argument
641 	switch (optname) {  in setsockopt_needs_rtnl()
721 static int do_mcast_group_source(struct sock *sk, int optname,  in do_mcast_group_source()  argument
743 	if (optname == MCAST_BLOCK_SOURCE) {  in do_mcast_group_source()
746 	} else if (optname == MCAST_UNBLOCK_SOURCE) {  in do_mcast_group_source()
749 	} else if (optname == MCAST_JOIN_SOURCE_GROUP) {  in do_mcast_group_source()
844 static int ip_mcast_join_leave(struct sock *sk, int optname,  in ip_mcast_join_leave()  argument
861 	if (optname == MCAST_JOIN_GROUP)  in ip_mcast_join_leave()
866 static int compat_ip_mcast_join_leave(struct sock *sk, int optname,  in compat_ip_mcast_join_leave()  argument
884 	if (optname == MCAST_JOIN_GROUP)  in compat_ip_mcast_join_leave()
889 static int do_ip_setsockopt(struct sock *sk, int level, int optname,  in do_ip_setsockopt()  argument
895 	bool needs_rtnl = setsockopt_needs_rtnl(optname);  in do_ip_setsockopt()
897 	switch (optname) {  in do_ip_setsockopt()
937 	if (optname == IP_ROUTER_ALERT)  in do_ip_setsockopt()
939 	if (ip_mroute_opt(optname))  in do_ip_setsockopt()
940 		return ip_mroute_setsockopt(sk, optname, optval, optlen);  in do_ip_setsockopt()
947 	switch (optname) {  in do_ip_setsockopt()
1222 		if (optname == IP_ADD_MEMBERSHIP)  in do_ip_setsockopt()
1273 		if (optname == IP_BLOCK_SOURCE) {  in do_ip_setsockopt()
1276 		} else if (optname == IP_UNBLOCK_SOURCE) {  in do_ip_setsockopt()
1279 		} else if (optname == IP_ADD_SOURCE_MEMBERSHIP) {  in do_ip_setsockopt()
1300 			err = compat_ip_mcast_join_leave(sk, optname, optval,  in do_ip_setsockopt()
1303 			err = ip_mcast_join_leave(sk, optname, optval, optlen);  in do_ip_setsockopt()
1309 		err = do_mcast_group_source(sk, optname, optval, optlen);  in do_ip_setsockopt()
1336 		err = xfrm_user_policy(sk, optname, optval, optlen);  in do_ip_setsockopt()
1415 int ip_setsockopt(struct sock *sk, int level, int optname, sockptr_t optval,  in ip_setsockopt()  argument
1423 	err = do_ip_setsockopt(sk, level, optname, optval, optlen);  in ip_setsockopt()
1425 	if (optname >= BPFILTER_IPT_SO_SET_REPLACE &&  in ip_setsockopt()
1426 	    optname < BPFILTER_IPT_SET_MAX)  in ip_setsockopt()
1427 		err = bpfilter_ip_set_sockopt(sk, optname, optval, optlen);  in ip_setsockopt()
1431 	if (err == -ENOPROTOOPT && optname != IP_HDRINCL &&  in ip_setsockopt()
1432 			optname != IP_IPSEC_POLICY &&  in ip_setsockopt()
1433 			optname != IP_XFRM_POLICY &&  in ip_setsockopt()
1434 			!ip_mroute_opt(optname))  in ip_setsockopt()
1435 		err = nf_setsockopt(sk, PF_INET, optname, optval, optlen);  in ip_setsockopt()
1446 static bool getsockopt_needs_rtnl(int optname)  in getsockopt_needs_rtnl()  argument
1448 	switch (optname) {  in getsockopt_needs_rtnl()
1515 static int do_ip_getsockopt(struct sock *sk, int level, int optname,  in do_ip_getsockopt()  argument
1519 	bool needs_rtnl = getsockopt_needs_rtnl(optname);  in do_ip_getsockopt()
1526 	if (ip_mroute_opt(optname))  in do_ip_getsockopt()
1527 		return ip_mroute_getsockopt(sk, optname, optval, optlen);  in do_ip_getsockopt()
1538 	switch (optname) {  in do_ip_getsockopt()
1757 		  int optname, char __user *optval, int __user *optlen)  in ip_getsockopt()  argument
1761 	err = do_ip_getsockopt(sk, level, optname, optval, optlen);  in ip_getsockopt()
1764 	if (optname >= BPFILTER_IPT_SO_GET_INFO &&  in ip_getsockopt()
1765 	    optname < BPFILTER_IPT_GET_MAX)  in ip_getsockopt()
1766 		err = bpfilter_ip_get_sockopt(sk, optname, optval, optlen);  in ip_getsockopt()
1770 	if (err == -ENOPROTOOPT && optname != IP_PKTOPTIONS &&  in ip_getsockopt()
1771 			!ip_mroute_opt(optname)) {  in ip_getsockopt()
1777 		err = nf_getsockopt(sk, PF_INET, optname, optval, &len);  in ip_getsockopt()