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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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without it "route change X" would change less-specific route by mistake.
reported by jinmei@kame, markus ok
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rescinded 22 July 1999. Proofed by myself and Theo.
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the ANSI way.
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(Look ma, I might have broken the tree)
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idea from deraadt@ via NetBSD
millert@ ok
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(freebsd3 has a fix since 1999, but has insufficient validation on sa_len)
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with old code we may see junk at the end. sync with kame, 4.4BSD bug.
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have sys/net/route.c:rtrequest1(), which takes rt_addrinfo * as the argument.
pass rt_addrinfo all the way down to rtrequest, and ifa->ifa_rtrequest.
3rd arg of ifa->ifa_rtrequest is now rt_addrinfo * instead of sockaddr *
(almost noone is using it anyways).
benefit: the follwoing command now works. previously we need two route(8)
invocations, "add" then "change".
# route add -inet6 default ::1 -ifp gif0
remove unsafe typecast in rtrequest(), from rtentry * to sockaddr *. it was
introduced by 4.3BSD-reno and never corrected.
XXX is eon_rtrequest() change correct regarding to 3rd arg?
eon_rtrequest() and rtrequest() were incorrect since 4.3BSD-reno,
so i do not have correct answer in the source code.
someone with more clue about netiso-over-ip, please help.
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non-root userland process, under certain routing table setup.
http://orange.kame.net/dev/query-pr.cgi?pr=217
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the hack tries to respect ifa or ifp passed to RTM_ADD. However, the change
broke certain link-layers. They include:
- midway ethernet card (en*), which uses sockaddr_dl in gateway portion
to pass PVC information. with the patch, the gateway portion will be
overwritten by empty sockaddr_dl and PVC initialization will fail.
- IPv6, which can't set static ND table with the patch (ndp -s) with the
similar reason.
There may be improved hack coming soon, hope the new one does not break others.
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