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authorajs <ajs>2008-01-10 15:24:32 +0000
committerajs <ajs>2008-01-10 15:24:32 +0000
commitf6bc0eb86aec3cec8ddb18de4f85fb669e3197d2 (patch)
tree71cb7693f92a4b29d0a20db6bc98706963a01ddf /zebra/kernel_socket.c
parent26cc29d8fb3ff73dac3b602308079a95f6f315d2 (diff)
downloadquagga-f6bc0eb86aec3cec8ddb18de4f85fb669e3197d2.tar.bz2
quagga-f6bc0eb86aec3cec8ddb18de4f85fb669e3197d2.tar.xz
[link-detect] Try to get BSD link-detect to work properly.
2008-01-10 Ingo Flaschberger <if@xip.at> * configure.ac: Define HAVE_BSD_LINK_DETECT if <net/if_media.h> is present. * lib/zebra.h: If HAVE_BSD_LINK_DETECT is defined, include <net/if_media.h>. * zebra/ioctl.c: (if_get_flags) If HAVE_BSD_LINK_DETECT, use the SIOCGIFMEDIA ioctl to ascertain link state. * zebra/kernel_socket.c: (bsd_linkdetect_translate) New function to map the ifm_data.ifi_link_state value into the IFF_RUNNING flag. (ifm_read) Call bsd_linkdetect_translate to fix the IFF_RUNNING flag before calling if_flags_update.
Diffstat (limited to 'zebra/kernel_socket.c')
-rw-r--r--zebra/kernel_socket.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/zebra/kernel_socket.c b/zebra/kernel_socket.c
index a91d76f5..cd30631b 100644
--- a/zebra/kernel_socket.c
+++ b/zebra/kernel_socket.c
@@ -295,6 +295,18 @@ ifan_read (struct if_announcemsghdr *ifan)
}
#endif /* RTM_IFANNOUNCE */
+#ifdef HAVE_BSD_LINK_DETECT
+/* BSD link detect translation */
+static void
+bsd_linkdetect_translate (struct if_msghdr *ifm)
+{
+ if (ifm->ifm_data.ifi_link_state >= LINK_STATE_UP)
+ SET_FLAG(ifm->ifm_flags, IFF_RUNNING);
+ else
+ UNSET_FLAG(ifm->ifm_flags, IFF_RUNNING);
+}
+#endif /* HAVE_BSD_LINK_DETECT */
+
/*
* Handle struct if_msghdr obtained from reading routing socket or
* sysctl (from interface_list). There may or may not be sockaddrs
@@ -426,6 +438,11 @@ ifm_read (struct if_msghdr *ifm)
* structure with ifindex IFINDEX_INTERNAL.
*/
ifp->ifindex = ifm->ifm_index;
+
+#ifdef HAVE_BSD_LINK_DETECT /* translate BSD kernel msg for link-state */
+ bsd_linkdetect_translate(ifm);
+#endif /* HAVE_BSD_LINK_DETECT */
+
if_flags_update (ifp, ifm->ifm_flags);
#if defined(__bsdi__)
if_kvm_get_mtu (ifp);
@@ -453,6 +470,10 @@ ifm_read (struct if_msghdr *ifm)
return -1;
}
+#ifdef HAVE_BSD_LINK_DETECT /* translate BSD kernel msg for link-state */
+ bsd_linkdetect_translate(ifm);
+#endif /* HAVE_BSD_LINK_DETECT */
+
/* update flags and handle operative->inoperative transition, if any */
if_flags_update (ifp, ifm->ifm_flags);