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the rtm_priority with RTP_MASK so that userland (e.g. arp) can issue a RTM_GET
and reissue the message as RTM_DELETE.
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callers (plus an upcomming one). OK henning@, dlg@
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not only over routes of the same prio. This makes it possible to modify
rt_mpath_matchgate() so that if only gateway is specified without a specific
priority it will scan the full list and not only the first routes.
This is also needed for upcoming link state tracking.
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soon.
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route prios. playing safe for 4.4-release, as not all parts of the system
deal correctly with route prios yet. ok claudio
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ensure that the next message is nicely aligned as well. Some archs (sparc, m88k)have strict alignement issues since the inclusion of 64bit counters in the
messages because those values could end up on non aligned addresses.
Found and fix tested by miod@, OK deraadt@
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can not supply the correct nexthop if the nexthop is changed. So if the
route we want to change is a non-multipath one allow the change to succeed.
This unbreaks RTM_CHANGE in most situations. Found by jsing@ Ok henning@
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it once at start instead.
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get hung in nfs_reconnect() because they do not have the proper
privilages to bind to a socket, by adding a struct proc * argument
to sobind() (and the *_usrreq() routines, and finally in{6}_pcbbind)
and do the sobind() with proc0 in nfs_connect.
OK markus@, blambert@.
"go ahead" deraadt@.
Fixes an issue reported by bernd@ (Tested by bernd@).
Fixes PR5135 too.
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and the one route with the lowest number wins. This will be used by the
routing daemons to resolve the synchronisations issue in case of conflicts.
The nasty bits of this are in the multipath code. If no priority is specified
the kernel will choose an appropriate priority.
Looked at by a few people at n2k8 code is much older
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MPLS support partly based on the (abandoned?) AYAME project.
Basic LSR (Label Switch Router) functionality is present, but not fully
functional yet.
It is currently possible to insert entries in the LIB (Label Information Base)
with route(8), but setting the operation type is not supported yet.
Imported to allow more people to work on this in the coming weeks.
ok claudio@ laurent@ dlg@
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-remove useless casts
-MALLOC/FREE -> malloc/free
-use M_ZERO where appropriate instead of seperate bzero
feedback & ok krw, hshoexer
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unbreaks RTM_GET. Problem reported by fkr@
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By doing so we ensure that all the memory is initialised and we no longer
have to ensure that none of the structure elements is forgotten in
sysctl_iflist() and sysctl_dumpentry().
This solves the route flush issues seen by aanriot@
OK henning@
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to access uninitialised memory.
Set dst to 0 on error, the error path tries to access dst but dst is inited
later down the code. This fixes a kernel panic seen by aanriot@
OK henning@
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Changes include 64bit counters instead of u_long, routing table id in the header
of most messages, reserved routing priority field, added a hdrlen field to skip
over the header so that binary compatibility becomes easier.
A minimal backward support for old binaries is included to ease upgrades but
don't expect anything more than ifconfig, route and dhclient to correctly work.
OK henning@ mglocker@
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ok kettenis@ cloder@ tom@ henning@
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(NET_RT_DUMP & friends) too. keep supporting the old form (and imply id 0)
of course. claudio ok
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manipulate alternate tables from userland. new tables are created
implicitely when an RTM_ADD for that table is seen.
ok norby claudio hshoexer
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parameter so they can work on alternate tables. table 0 hardcoded for
many callers yet, that will be adapted step by step.
input + ok claudio norby hshoexer
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OK henning@ norby@
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cases harmless it is used by the IPv6 code. The result is that bgpd is unable
to assigning link local addresses to the correct interface. OK henning@
Fix for PR 5063.
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instead of kvm access. OK henning@
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This new rmx_refcnt can be used by route(8) to produce the same output
as netstat(1). OK henning@
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directly. rather provide a rt_lookup function for regular lookups,
and a rt_gettable for those that need access to the head for some reason.
the latter cases should be revisted later probably so that nothing outside
the routing core code accesses the heads at all...
tested claudio jolan me, ok claudio markus
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request. Extend the "hack" to include more flags (RTF_PROTO[123] flags,
RTF_BLACKHOLE, RTF_REJECT and RTF_STATIC). Because rtm_use is "abused" --
rtm_use was replaced long time ago with rtm_rmx->rmx_pksent -- it is now
forced to 0 in RTM_GET requests and sysctl_dumpentry(). This is done to
prevent false changes because of a reused RTM_GET message.
OK henning@, mcbride@, makes sense markus@
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bgpd and ospfd use this information to track the availability of a route.
Discussed with dlg@, OK henning@
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router so back out the routing stuff to pre-eurobsdcon where my machine
doesn't crash immediately.
i am happy to test diffs and report success/failures but i am not happy
to have instantaneous crashes when i reboot with a new kernel that was
compiled from pristine sources.
if you are going to be an elitist asshole then you could at least make
sure your code works.
ok and "be crass towards them" deraadt@
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but go through a provided wrapper.
also provide rt_lookup() instead of doing the lookup manually in many places.
ryan ok
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the the default route(s) point to.
handles IPv4 and IPv6 as well as multipath routes.
follows default route changes, of course.
eases writing pf rulesets especially on laptops etc. that use different
interfaces depending on the environment (wired, wireless, ...)
ok theo ryan
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ok marius@ claudio@
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Reported by Cedric Berger
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on the local network support them.
This adds a new socket option, SO_JUMBO, and a new route flag,
RTF_JUMBO. If _both_ the socket option is set and the route for the host
has RTF_JUMBO set, ip_output will fragment the packet to the largest
possible size for the link, ignoring the card's MTU.
The semantics of this feature will be evolving rapidly; talk to us
if you intend to use it.
ok deraadt@ marius@
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to a route.
the label is sent over the routing socket wrapped into a new
struct sockaddr_rtlabel, allowing for handling it like any other sockaddr.
struct rtentry only contains a (16 bit) label-ID, with the actual labels
kept outside the routing table.
ID allocator code inspired by my own code for altq and pf tags.
mostly hacked at the c2k4 hackathon, markus ok
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ok itojun claudio
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No need to reconfig kernel or rebuild userland stuff.
requested deraadt@, help beck@
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their *source* IP address in addition to their destination address.
routing table "destination" now contains a "struct sockaddr_rtin"
for IPv4 instead of a "struct sockaddr_in".
the routing socket has been extended in a backward-compatible way.
todo: PMTU enhancements, IPv6. ok deraadt@ mcbride@
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RTM_CHANGE/LOCK only work on perfect matching routes. ppp and bgpd got
broken because of this. Most of the code in the "grotty" block is already
done by rn_lookup() only host routes need some special treatment.
OK cedric@
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table from these metrics. struct rt_msghdr used by the routing socket is not
affected and so most userland apps don't need to be changed.
some man page polishing by jmc@
OK henning@ markus@ theo@
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user visible changes:
- you can add multiple routes with same key (route add A B then route add A C)
- you have to specify gateway address if there are multiple entries on the table
(route delete A B, instead of route delete A)
kernel change:
- radix_node_head has an extra entry
- rnh_deladdr takes extra argument
TODO:
- actually take advantage of multipath (rtalloc -> rtalloc_mpath)
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to built-ins, so eventually we will have one version of these files.
Special adjustments for the kernel to cope: machine/stdarg.h -> sys/stdarg.h
and machine/ansi.h needs to have a _BSD_VA_LIST_ for syslog* prototypes.
okay millert@, drahn@, miod@.
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argument. old cred only calls user suser_ucred. this will allow future
work to more flexibly implement the idea of a root process. looks like
something i saw in freebsd, but a little different.
use of suser_ucred vs suser in file system code should be looked at again,
for the moment semantics remain unchanged.
review and input from art@ testing and further review miod@
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