net/ipv6/ipv6_sockglue.c

142 		sockptr_t optval, int optlen)
149 		if (copy_from_sockptr(&gr32, optval, sizeof(gr32)))
157 		if (copy_from_sockptr(greqs, optval, sizeof(*greqs)))
165 		sockptr_t optval, int optlen)
171 	ret = copy_group_source_from_sockptr(&greqs, optval, optlen);
205 static int ipv6_set_mcast_msfilter(struct sock *sk, sockptr_t optval,
216 	gsf = memdup_sockptr(optval, optlen);
236 static int compat_ipv6_set_mcast_msfilter(struct sock *sk, sockptr_t optval,
256 	if (copy_from_sockptr(gf32, optval, optlen))
281 		sockptr_t optval, int optlen)
288 	if (copy_from_sockptr(&greq, optval, sizeof(greq)))
301 		sockptr_t optval, int optlen)
308 	if (copy_from_sockptr(&gr32, optval, sizeof(gr32)))
320 static int ipv6_set_opt_hdr(struct sock *sk, int optname, sockptr_t optval,
337 		if (sockptr_is_null(optval))
344 		new = memdup_sockptr(optval, optlen);
395 		       sockptr_t optval, unsigned int optlen)
403 	if (sockptr_is_null(optval))
407 			if (copy_from_sockptr(&val, optval, sizeof(val)))
416 		return ip6_mroute_setsockopt(sk, optname, optval, optlen);
807 		retv = ipv6_set_opt_hdr(sk, optname, optval, optlen);
817 			 sockptr_is_null(optval))
820 		if (copy_from_sockptr(&pkt, optval, sizeof(pkt))) {
863 		if (copy_from_sockptr(opt + 1, optval, optlen))
898 		if (copy_from_sockptr(&mreq, optval, sizeof(struct ipv6_mreq)))
916 		if (copy_from_sockptr(&mreq, optval, sizeof(struct ipv6_mreq)))
928 			retv = compat_ipv6_mcast_join_leave(sk, optname, optval,
931 			retv = ipv6_mcast_join_leave(sk, optname, optval,
938 		retv = do_ipv6_mcast_group_source(sk, optname, optval, optlen);
942 			retv = compat_ipv6_set_mcast_msfilter(sk, optval,
945 			retv = ipv6_set_mcast_msfilter(sk, optval, optlen);
955 		retv = ipv6_flowlabel_opt(sk, optval, optlen);
962 		retv = xfrm_user_policy(sk, optname, optval, optlen);
983 int ipv6_setsockopt(struct sock *sk, int level, int optname, sockptr_t optval,
989 		return udp_prot.setsockopt(sk, level, optname, optval, optlen);
994 	err = do_ipv6_setsockopt(sk, level, optname, optval, optlen);
999 		err = nf_setsockopt(sk, PF_INET6, optname, optval, optlen);
1006 				  int optname, sockptr_t optval, int len)
1034 	if (copy_to_sockptr(optval, hdr, len))
1039 static int ipv6_get_msfilter(struct sock *sk, sockptr_t optval,
1049 	if (copy_from_sockptr(&gsf, optval, size0))
1055 	err = ip6_mc_msfget(sk, &gsf, optval, size0);
1061 		    copy_to_sockptr(optval, &gsf, size0))
1068 static int compat_ipv6_get_msfilter(struct sock *sk, sockptr_t optval,
1080 	if (copy_from_sockptr(&gf32, optval, size0))
1091 	err = ip6_mc_msfget(sk, &gf, optval, size0);
1099 	    copy_to_sockptr_offset(optval, offsetof(struct compat_group_filter, gf_fmode),
1101 	    copy_to_sockptr_offset(optval, offsetof(struct compat_group_filter, gf_numsrc),
1108 		       sockptr_t optval, sockptr_t optlen)
1115 		return ip6_mroute_getsockopt(sk, optname, optval, optlen);
1131 			return compat_ipv6_get_msfilter(sk, optval, optlen, len);
1132 		return ipv6_get_msfilter(sk, optval, optlen, len);
1141 		if (optval.is_kernel) {
1143 			msg.msg_control = optval.kernel;
1146 			msg.msg_control_user = optval.user;
1253 		len = ipv6_getsockopt_sticky(sk, opt, optname, optval, len);
1314 		if (copy_to_sockptr(optval, &mtuinfo, len))
1391 		if (copy_from_sockptr(&freq, optval, sizeof(freq)))
1408 		if (copy_to_sockptr(optval, &freq, len))
1468 	if (copy_to_sockptr(optval, &val, len))
1474 		    char __user *optval, int __user *optlen)
1479 		return udp_prot.getsockopt(sk, level, optname, optval, optlen);
1485 				 USER_SOCKPTR(optval), USER_SOCKPTR(optlen));
1494 		err = nf_getsockopt(sk, PF_INET6, optname, optval, &len);