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routes did not carefully check if the route lookup succeded or not and so
rn_mpath_next(rn) blowed up because rn was NULL. Check if rnh_lookup succeded
before touching rn in anyway. OK norby@ initial diff by hshoexer@
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previous route that may not have been inserted with the -mpath flag.
Similarly, when removing a multipath route and leaving only one route,
clear the RTF_MPATH flag so this is clear.
ok claudio@
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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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problem before: with this, we are no longer using the address family as
array index directly, since only 3 of 31 address fanilies actually attach
a table, but we're using an address family to array index translation (just
another array). there, 0 meant "does not attach a table", thus rt_gettable
has to return a null pointer. unfortunately we were using array index 0 for
whatever af attaches first, and since the list is backwards,, that used to
be ipsec - execpt on ipsec-less ramdisks, where it was inet6, and since
route show blindly iterates over all address families, and all those
without a table pointed to index 0, we got 28 or 29 copies of the v6 table.
i had that right initally, and then i borked it later... re-spotted by
claudio.
ok norby hshoexer claudio
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'route show' dump out repeated copies of the v6 routing table on ramdisks.
on some architectures it spins forever doing this, on others it just
goes for a long time printing the v6 routes over and over before terminating.
spotted by jmc and krw, backout diff tested by beck.
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we trade higher memory consumption if the user doesn't use continous table
IDs, but in the worst case (table IDs 0 and 255, 64bit machine) that is 2KB
ok claudio ryan
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-instead of staticaly declaring the heads, allocate memory for them
-add second dimension to the routing table head array, table ID
-space saver: do not use the AF as array index directly, but have an
AF->index translation array and only account for AFs actually attaching
a routing table
note that whil ethat allows for multiple routing table heads, nothing uses
taht yet.
tested by many, ok claudio reyk norby mcbride
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ok henning@
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pointer and a panic later on. Be more careful Claudio! OK henning@
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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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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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interface that is removed. use that from if.c and if_tun.c instead of
re-implementing in the latter case. ok claudio
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a 200+ lines diff, but no binary change.
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code. no binary change.
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as the previous changes from a train ride to frankfurt a bit over a week ago
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change every time a line is added or removed. no functional change.
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show a correct expire time in route(8). OK and idea mpf@ looks good 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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when the interface is deleted to a function in route.c, and replace
the copies of that code by calls to that function
from basel almost-hackathon
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How do we code while our eyes are bleeding
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label id 0 means "no label".
in pf_ioctl, where this is used to filter based on a label, this is an error
condition.
for the other 2 cases, messages on the routing socket, this allows for an
sockaddr_rtlabel to be always present for messages on the routing socket,
and when it is all zero it is exactly like if there was no sockaddr_rtlabel
at all.
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 krw@ henning@
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copy.
ok millert@ deraadt@ henning@
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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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No need to reconfig kernel or rebuild userland stuff.
requested deraadt@, help beck@
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things such that code that only need a second-resolution uptime or wall
time, and used to get that from time.tv_secs or mono_time.tv_secs now get
this from separate time_t globals time_second and time_uptime.
ok art@ niklas@ nordin@
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route(8) takes a new -mpath modifier to enter a multipath route.
requested deraadt@, ok itojun@ mcbride@ millert@
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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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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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disappers. deraadt ok
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rescinded 22 July 1999. Proofed by myself and Theo.
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From Lurene Angela Grenier <lurene@daemonkitty.net>
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