diff options
Diffstat (limited to 'net/ipv6/raw.c')
-rw-r--r-- | net/ipv6/raw.c | 79 |
1 files changed, 39 insertions, 40 deletions
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index d061465d6827..259f1b231038 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c | |||
@@ -524,7 +524,7 @@ csum_copy_err: | |||
524 | goto out; | 524 | goto out; |
525 | } | 525 | } |
526 | 526 | ||
527 | static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl, | 527 | static int rawv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6, |
528 | struct raw6_sock *rp) | 528 | struct raw6_sock *rp) |
529 | { | 529 | { |
530 | struct sk_buff *skb; | 530 | struct sk_buff *skb; |
@@ -586,11 +586,10 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl, | |||
586 | if (unlikely(csum)) | 586 | if (unlikely(csum)) |
587 | tmp_csum = csum_sub(tmp_csum, csum_unfold(csum)); | 587 | tmp_csum = csum_sub(tmp_csum, csum_unfold(csum)); |
588 | 588 | ||
589 | csum = csum_ipv6_magic(&fl->fl6_src, | 589 | csum = csum_ipv6_magic(&fl6->saddr, &fl6->daddr, |
590 | &fl->fl6_dst, | 590 | total_len, fl6->flowi6_proto, tmp_csum); |
591 | total_len, fl->flowi_proto, tmp_csum); | ||
592 | 591 | ||
593 | if (csum == 0 && fl->flowi_proto == IPPROTO_UDP) | 592 | if (csum == 0 && fl6->flowi6_proto == IPPROTO_UDP) |
594 | csum = CSUM_MANGLED_0; | 593 | csum = CSUM_MANGLED_0; |
595 | 594 | ||
596 | if (skb_store_bits(skb, offset, &csum, 2)) | 595 | if (skb_store_bits(skb, offset, &csum, 2)) |
@@ -603,7 +602,7 @@ out: | |||
603 | } | 602 | } |
604 | 603 | ||
605 | static int rawv6_send_hdrinc(struct sock *sk, void *from, int length, | 604 | static int rawv6_send_hdrinc(struct sock *sk, void *from, int length, |
606 | struct flowi *fl, struct dst_entry **dstp, | 605 | struct flowi6 *fl6, struct dst_entry **dstp, |
607 | unsigned int flags) | 606 | unsigned int flags) |
608 | { | 607 | { |
609 | struct ipv6_pinfo *np = inet6_sk(sk); | 608 | struct ipv6_pinfo *np = inet6_sk(sk); |
@@ -613,7 +612,7 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length, | |||
613 | struct rt6_info *rt = (struct rt6_info *)*dstp; | 612 | struct rt6_info *rt = (struct rt6_info *)*dstp; |
614 | 613 | ||
615 | if (length > rt->dst.dev->mtu) { | 614 | if (length > rt->dst.dev->mtu) { |
616 | ipv6_local_error(sk, EMSGSIZE, fl, rt->dst.dev->mtu); | 615 | ipv6_local_error(sk, EMSGSIZE, fl6, rt->dst.dev->mtu); |
617 | return -EMSGSIZE; | 616 | return -EMSGSIZE; |
618 | } | 617 | } |
619 | if (flags&MSG_PROBE) | 618 | if (flags&MSG_PROBE) |
@@ -662,7 +661,7 @@ error: | |||
662 | return err; | 661 | return err; |
663 | } | 662 | } |
664 | 663 | ||
665 | static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg) | 664 | static int rawv6_probe_proto_opt(struct flowi6 *fl6, struct msghdr *msg) |
666 | { | 665 | { |
667 | struct iovec *iov; | 666 | struct iovec *iov; |
668 | u8 __user *type = NULL; | 667 | u8 __user *type = NULL; |
@@ -679,7 +678,7 @@ static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg) | |||
679 | if (!iov) | 678 | if (!iov) |
680 | continue; | 679 | continue; |
681 | 680 | ||
682 | switch (fl->flowi_proto) { | 681 | switch (fl6->flowi6_proto) { |
683 | case IPPROTO_ICMPV6: | 682 | case IPPROTO_ICMPV6: |
684 | /* check if one-byte field is readable or not. */ | 683 | /* check if one-byte field is readable or not. */ |
685 | if (iov->iov_base && iov->iov_len < 1) | 684 | if (iov->iov_base && iov->iov_len < 1) |
@@ -694,8 +693,8 @@ static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg) | |||
694 | code = iov->iov_base; | 693 | code = iov->iov_base; |
695 | 694 | ||
696 | if (type && code) { | 695 | if (type && code) { |
697 | if (get_user(fl->fl6_icmp_type, type) || | 696 | if (get_user(fl6->uli.icmpt.type, type) || |
698 | get_user(fl->fl6_icmp_code, code)) | 697 | get_user(fl6->uli.icmpt.code, code)) |
699 | return -EFAULT; | 698 | return -EFAULT; |
700 | probed = 1; | 699 | probed = 1; |
701 | } | 700 | } |
@@ -706,7 +705,7 @@ static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg) | |||
706 | /* check if type field is readable or not. */ | 705 | /* check if type field is readable or not. */ |
707 | if (iov->iov_len > 2 - len) { | 706 | if (iov->iov_len > 2 - len) { |
708 | u8 __user *p = iov->iov_base; | 707 | u8 __user *p = iov->iov_base; |
709 | if (get_user(fl->fl6_mh_type, &p[2 - len])) | 708 | if (get_user(fl6->uli.mht.type, &p[2 - len])) |
710 | return -EFAULT; | 709 | return -EFAULT; |
711 | probed = 1; | 710 | probed = 1; |
712 | } else | 711 | } else |
@@ -735,7 +734,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, | |||
735 | struct ipv6_txoptions *opt = NULL; | 734 | struct ipv6_txoptions *opt = NULL; |
736 | struct ip6_flowlabel *flowlabel = NULL; | 735 | struct ip6_flowlabel *flowlabel = NULL; |
737 | struct dst_entry *dst = NULL; | 736 | struct dst_entry *dst = NULL; |
738 | struct flowi fl; | 737 | struct flowi6 fl6; |
739 | int addr_len = msg->msg_namelen; | 738 | int addr_len = msg->msg_namelen; |
740 | int hlimit = -1; | 739 | int hlimit = -1; |
741 | int tclass = -1; | 740 | int tclass = -1; |
@@ -756,9 +755,9 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, | |||
756 | /* | 755 | /* |
757 | * Get and verify the address. | 756 | * Get and verify the address. |
758 | */ | 757 | */ |
759 | memset(&fl, 0, sizeof(fl)); | 758 | memset(&fl6, 0, sizeof(fl6)); |
760 | 759 | ||
761 | fl.flowi_mark = sk->sk_mark; | 760 | fl6.flowi6_mark = sk->sk_mark; |
762 | 761 | ||
763 | if (sin6) { | 762 | if (sin6) { |
764 | if (addr_len < SIN6_LEN_RFC2133) | 763 | if (addr_len < SIN6_LEN_RFC2133) |
@@ -780,9 +779,9 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, | |||
780 | 779 | ||
781 | daddr = &sin6->sin6_addr; | 780 | daddr = &sin6->sin6_addr; |
782 | if (np->sndflow) { | 781 | if (np->sndflow) { |
783 | fl.fl6_flowlabel = sin6->sin6_flowinfo&IPV6_FLOWINFO_MASK; | 782 | fl6.flowlabel = sin6->sin6_flowinfo&IPV6_FLOWINFO_MASK; |
784 | if (fl.fl6_flowlabel&IPV6_FLOWLABEL_MASK) { | 783 | if (fl6.flowlabel&IPV6_FLOWLABEL_MASK) { |
785 | flowlabel = fl6_sock_lookup(sk, fl.fl6_flowlabel); | 784 | flowlabel = fl6_sock_lookup(sk, fl6.flowlabel); |
786 | if (flowlabel == NULL) | 785 | if (flowlabel == NULL) |
787 | return -EINVAL; | 786 | return -EINVAL; |
788 | daddr = &flowlabel->dst; | 787 | daddr = &flowlabel->dst; |
@@ -800,32 +799,32 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, | |||
800 | if (addr_len >= sizeof(struct sockaddr_in6) && | 799 | if (addr_len >= sizeof(struct sockaddr_in6) && |
801 | sin6->sin6_scope_id && | 800 | sin6->sin6_scope_id && |
802 | ipv6_addr_type(daddr)&IPV6_ADDR_LINKLOCAL) | 801 | ipv6_addr_type(daddr)&IPV6_ADDR_LINKLOCAL) |
803 | fl.flowi_oif = sin6->sin6_scope_id; | 802 | fl6.flowi6_oif = sin6->sin6_scope_id; |
804 | } else { | 803 | } else { |
805 | if (sk->sk_state != TCP_ESTABLISHED) | 804 | if (sk->sk_state != TCP_ESTABLISHED) |
806 | return -EDESTADDRREQ; | 805 | return -EDESTADDRREQ; |
807 | 806 | ||
808 | proto = inet->inet_num; | 807 | proto = inet->inet_num; |
809 | daddr = &np->daddr; | 808 | daddr = &np->daddr; |
810 | fl.fl6_flowlabel = np->flow_label; | 809 | fl6.flowlabel = np->flow_label; |
811 | } | 810 | } |
812 | 811 | ||
813 | if (fl.flowi_oif == 0) | 812 | if (fl6.flowi6_oif == 0) |
814 | fl.flowi_oif = sk->sk_bound_dev_if; | 813 | fl6.flowi6_oif = sk->sk_bound_dev_if; |
815 | 814 | ||
816 | if (msg->msg_controllen) { | 815 | if (msg->msg_controllen) { |
817 | opt = &opt_space; | 816 | opt = &opt_space; |
818 | memset(opt, 0, sizeof(struct ipv6_txoptions)); | 817 | memset(opt, 0, sizeof(struct ipv6_txoptions)); |
819 | opt->tot_len = sizeof(struct ipv6_txoptions); | 818 | opt->tot_len = sizeof(struct ipv6_txoptions); |
820 | 819 | ||
821 | err = datagram_send_ctl(sock_net(sk), msg, &fl, opt, &hlimit, | 820 | err = datagram_send_ctl(sock_net(sk), msg, &fl6, opt, &hlimit, |
822 | &tclass, &dontfrag); | 821 | &tclass, &dontfrag); |
823 | if (err < 0) { | 822 | if (err < 0) { |
824 | fl6_sock_release(flowlabel); | 823 | fl6_sock_release(flowlabel); |
825 | return err; | 824 | return err; |
826 | } | 825 | } |
827 | if ((fl.fl6_flowlabel&IPV6_FLOWLABEL_MASK) && !flowlabel) { | 826 | if ((fl6.flowlabel&IPV6_FLOWLABEL_MASK) && !flowlabel) { |
828 | flowlabel = fl6_sock_lookup(sk, fl.fl6_flowlabel); | 827 | flowlabel = fl6_sock_lookup(sk, fl6.flowlabel); |
829 | if (flowlabel == NULL) | 828 | if (flowlabel == NULL) |
830 | return -EINVAL; | 829 | return -EINVAL; |
831 | } | 830 | } |
@@ -838,31 +837,31 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, | |||
838 | opt = fl6_merge_options(&opt_space, flowlabel, opt); | 837 | opt = fl6_merge_options(&opt_space, flowlabel, opt); |
839 | opt = ipv6_fixup_options(&opt_space, opt); | 838 | opt = ipv6_fixup_options(&opt_space, opt); |
840 | 839 | ||
841 | fl.flowi_proto = proto; | 840 | fl6.flowi6_proto = proto; |
842 | err = rawv6_probe_proto_opt(&fl, msg); | 841 | err = rawv6_probe_proto_opt(&fl6, msg); |
843 | if (err) | 842 | if (err) |
844 | goto out; | 843 | goto out; |
845 | 844 | ||
846 | if (!ipv6_addr_any(daddr)) | 845 | if (!ipv6_addr_any(daddr)) |
847 | ipv6_addr_copy(&fl.fl6_dst, daddr); | 846 | ipv6_addr_copy(&fl6.daddr, daddr); |
848 | else | 847 | else |
849 | fl.fl6_dst.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */ | 848 | fl6.daddr.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */ |
850 | if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr)) | 849 | if (ipv6_addr_any(&fl6.saddr) && !ipv6_addr_any(&np->saddr)) |
851 | ipv6_addr_copy(&fl.fl6_src, &np->saddr); | 850 | ipv6_addr_copy(&fl6.saddr, &np->saddr); |
852 | 851 | ||
853 | final_p = fl6_update_dst(&fl, opt, &final); | 852 | final_p = fl6_update_dst(&fl6, opt, &final); |
854 | 853 | ||
855 | if (!fl.flowi_oif && ipv6_addr_is_multicast(&fl.fl6_dst)) | 854 | if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr)) |
856 | fl.flowi_oif = np->mcast_oif; | 855 | fl6.flowi6_oif = np->mcast_oif; |
857 | security_sk_classify_flow(sk, &fl); | 856 | security_sk_classify_flow(sk, flowi6_to_flowi(&fl6)); |
858 | 857 | ||
859 | dst = ip6_dst_lookup_flow(sk, &fl, final_p, true); | 858 | dst = ip6_dst_lookup_flow(sk, &fl6, final_p, true); |
860 | if (IS_ERR(dst)) { | 859 | if (IS_ERR(dst)) { |
861 | err = PTR_ERR(dst); | 860 | err = PTR_ERR(dst); |
862 | goto out; | 861 | goto out; |
863 | } | 862 | } |
864 | if (hlimit < 0) { | 863 | if (hlimit < 0) { |
865 | if (ipv6_addr_is_multicast(&fl.fl6_dst)) | 864 | if (ipv6_addr_is_multicast(&fl6.daddr)) |
866 | hlimit = np->mcast_hops; | 865 | hlimit = np->mcast_hops; |
867 | else | 866 | else |
868 | hlimit = np->hop_limit; | 867 | hlimit = np->hop_limit; |
@@ -881,17 +880,17 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, | |||
881 | 880 | ||
882 | back_from_confirm: | 881 | back_from_confirm: |
883 | if (inet->hdrincl) | 882 | if (inet->hdrincl) |
884 | err = rawv6_send_hdrinc(sk, msg->msg_iov, len, &fl, &dst, msg->msg_flags); | 883 | err = rawv6_send_hdrinc(sk, msg->msg_iov, len, &fl6, &dst, msg->msg_flags); |
885 | else { | 884 | else { |
886 | lock_sock(sk); | 885 | lock_sock(sk); |
887 | err = ip6_append_data(sk, ip_generic_getfrag, msg->msg_iov, | 886 | err = ip6_append_data(sk, ip_generic_getfrag, msg->msg_iov, |
888 | len, 0, hlimit, tclass, opt, &fl, (struct rt6_info*)dst, | 887 | len, 0, hlimit, tclass, opt, &fl6, (struct rt6_info*)dst, |
889 | msg->msg_flags, dontfrag); | 888 | msg->msg_flags, dontfrag); |
890 | 889 | ||
891 | if (err) | 890 | if (err) |
892 | ip6_flush_pending_frames(sk); | 891 | ip6_flush_pending_frames(sk); |
893 | else if (!(msg->msg_flags & MSG_MORE)) | 892 | else if (!(msg->msg_flags & MSG_MORE)) |
894 | err = rawv6_push_pending_frames(sk, &fl, rp); | 893 | err = rawv6_push_pending_frames(sk, &fl6, rp); |
895 | release_sock(sk); | 894 | release_sock(sk); |
896 | } | 895 | } |
897 | done: | 896 | done: |