ip6_output.c (7159039a128fa0a73ca7b532f6e1d30d9885277f) ip6_output.c (95c385b4d5a71b8ad552aecaa968ea46d7da2f6a)
1/*
2 * IPv6 output functions
3 * Linux INET6 implementation
4 *
5 * Authors:
6 * Pedro Roque <roque@di.fc.ul.pt>
7 *
8 * $Id: ip6_output.c,v 1.34 2002/02/01 22:01:04 davem Exp $

--- 849 unchanged lines hidden (view full) ---

858 goto out_err_release;
859
860 if (ipv6_addr_any(&fl->fl6_src)) {
861 err = ipv6_get_saddr(*dst, &fl->fl6_dst, &fl->fl6_src);
862 if (err)
863 goto out_err_release;
864 }
865
1/*
2 * IPv6 output functions
3 * Linux INET6 implementation
4 *
5 * Authors:
6 * Pedro Roque <roque@di.fc.ul.pt>
7 *
8 * $Id: ip6_output.c,v 1.34 2002/02/01 22:01:04 davem Exp $

--- 849 unchanged lines hidden (view full) ---

858 goto out_err_release;
859
860 if (ipv6_addr_any(&fl->fl6_src)) {
861 err = ipv6_get_saddr(*dst, &fl->fl6_dst, &fl->fl6_src);
862 if (err)
863 goto out_err_release;
864 }
865
866#ifdef CONFIG_IPV6_OPTIMISTIC_DAD
867 /*
868 * Here if the dst entry we've looked up
869 * has a neighbour entry that is in the INCOMPLETE
870 * state and the src address from the flow is
871 * marked as OPTIMISTIC, we release the found
872 * dst entry and replace it instead with the
873 * dst entry of the nexthop router
874 */
875 if (!((*dst)->neighbour->nud_state & NUD_VALID)) {
876 struct inet6_ifaddr *ifp;
877 struct flowi fl_gw;
878 int redirect;
879
880 ifp = ipv6_get_ifaddr(&fl->fl6_src, (*dst)->dev, 1);
881
882 redirect = (ifp && ifp->flags & IFA_F_OPTIMISTIC);
883 if (ifp)
884 in6_ifa_put(ifp);
885
886 if (redirect) {
887 /*
888 * We need to get the dst entry for the
889 * default router instead
890 */
891 dst_release(*dst);
892 memcpy(&fl_gw, fl, sizeof(struct flowi));
893 memset(&fl_gw.fl6_dst, 0, sizeof(struct in6_addr));
894 *dst = ip6_route_output(sk, &fl_gw);
895 if ((err = (*dst)->error))
896 goto out_err_release;
897 }
898 }
899#endif
900
866 return 0;
867
868out_err_release:
869 dst_release(*dst);
870 *dst = NULL;
871 return err;
872}
873

--- 504 unchanged lines hidden --- 		901 return 0;
902
903out_err_release:
904 dst_release(*dst);
905 *dst = NULL;
906 return err;
907}
908

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