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Merge pull request #3687 from donaldsharp/ifp_flags
zebra: Use the kernel flags from the IFA_FLAGS if it is available
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commit
718cfa14f4
@ -925,6 +925,7 @@ int netlink_interface_addr(struct nlmsghdr *h, ns_id_t ns_id, int startup)
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char *label = NULL;
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struct zebra_ns *zns;
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uint32_t metric = METRIC_MAX;
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uint32_t kernel_flags = 0;
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zns = zebra_ns_lookup(ns_id);
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ifa = NLMSG_DATA(h);
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@ -961,12 +962,18 @@ int netlink_interface_addr(struct nlmsghdr *h, ns_id_t ns_id, int startup)
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return -1;
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}
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/* Flags passed through */
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if (tb[IFA_FLAGS])
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kernel_flags = *(int *)RTA_DATA(tb[IFA_FLAGS]);
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else
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kernel_flags = ifa->ifa_flags;
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if (IS_ZEBRA_DEBUG_KERNEL) /* remove this line to see initial ifcfg */
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{
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char buf[BUFSIZ];
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zlog_debug("netlink_interface_addr %s %s flags 0x%x:",
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nl_msg_type_to_str(h->nlmsg_type), ifp->name,
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ifa->ifa_flags);
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kernel_flags);
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if (tb[IFA_LOCAL])
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zlog_debug(" IFA_LOCAL %s/%d",
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inet_ntop(ifa->ifa_family,
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@ -1023,7 +1030,7 @@ int netlink_interface_addr(struct nlmsghdr *h, ns_id_t ns_id, int startup)
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}
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/* Flags. */
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if (ifa->ifa_flags & IFA_F_SECONDARY)
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if (kernel_flags & IFA_F_SECONDARY)
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SET_FLAG(flags, ZEBRA_IFA_SECONDARY);
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/* Label */
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@ -1070,7 +1077,7 @@ int netlink_interface_addr(struct nlmsghdr *h, ns_id_t ns_id, int startup)
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* time, Quagga
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* does query for and will receive all addresses.
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*/
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if (!(ifa->ifa_flags
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if (!(kernel_flags
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& (IFA_F_DADFAILED | IFA_F_TENTATIVE)))
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connected_add_ipv6(ifp, flags,
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(struct in6_addr *)addr,
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