diff options
Diffstat (limited to 'zebra')
| -rw-r--r-- | zebra/ChangeLog | 9 | ||||
| -rw-r--r-- | zebra/ioctl.c | 33 | ||||
| -rw-r--r-- | zebra/kernel_socket.c | 21 |
3 files changed, 63 insertions, 0 deletions
diff --git a/zebra/ChangeLog b/zebra/ChangeLog index 3457c785..ba6d3070 100644 --- a/zebra/ChangeLog +++ b/zebra/ChangeLog @@ -1,3 +1,12 @@ +2008-01-10 Ingo Flaschberger <if@xip.at> + + * ioctl.c: (if_get_flags) If HAVE_BSD_LINK_DETECT, use the SIOCGIFMEDIA + ioctl to ascertain link state. + * 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. + 2008-01-08 Michael Larson <mike@vyatta.com> * zebra_rib.c: (nexthop_active_check) Replace if_is_up with diff --git a/zebra/ioctl.c b/zebra/ioctl.c index c9ec8d57..4f99a6cd 100644 --- a/zebra/ioctl.c +++ b/zebra/ioctl.c @@ -344,6 +344,9 @@ if_get_flags (struct interface *ifp) { int ret; struct ifreq ifreq; +#ifdef HAVE_BSD_LINK_DETECT + struct ifmediareq ifmr; +#endif /* HAVE_BSD_LINK_DETECT */ ifreq_set_name (&ifreq, ifp); @@ -353,6 +356,36 @@ if_get_flags (struct interface *ifp) zlog_err("if_ioctl(SIOCGIFFLAGS) failed: %s", safe_strerror(errno)); return; } +#ifdef HAVE_BSD_LINK_DETECT /* Detect BSD link-state at start-up */ + (void) memset(&ifmr, 0, sizeof(ifmr)); + strncpy (&ifmr.ifm_name, ifp->name, IFNAMSIZ); + if (if_ioctl(SIOCGIFMEDIA, (caddr_t) &ifmr) < 0) + { + zlog_err("if_ioctl(SIOCGIFMEDIA) failed: %s", safe_strerror(errno)); + return; + } + if (ifmr.ifm_status & IFM_AVALID) /* Link state is valid */ + { + if (ifmr.ifm_status & IFM_ACTIVE) + { + SET_FLAG(ifreq.ifr_flags, IFF_RUNNING); + zlog_debug("%s: BSD link state to up at interface %s, ifindex %d", + __func__, ifp->name, ifp->ifindex); + } + else + { + UNSET_FLAG(ifreq.ifr_flags, IFF_RUNNING); + zlog_debug("%s: BSD link state to down at interface %s, ifindex %d", + __func__, ifp->name, ifp->ifindex); + } + } + else /* Force always up */ + { + SET_FLAG(ifreq.ifr_flags, IFF_RUNNING); + zlog_debug("%s: BSD link state invalid, forced up at interface %s, ifindex %d", + __func__, ifp->name, ifp->ifindex); + } +#endif /* HAVE_BSD_LINK_DETECT */ if_flags_update (ifp, (ifreq.ifr_flags & 0x0000ffff)); } 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); |