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includes AF_LINK addresses (aka mac addresses in the ethernet case). for
inet this also includes the broadcast addresses.
depends on ifinit() called earlier so we have a chance to pool_init before
autoconf assigns the AF_LINK addresses, the v6 fix, and the ifa_add/del
abstraction i just committed.
this is a change in semantics, it is now illegal to change the actual
address in an ifaddr struct because then the RB tree becomes unbalanced.
nothing using this tree yet.
ok theo ryan dlg
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many places create a proper API (ifa_add / ifa_del) and use it.
ok theo ryan dlg
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the route messages so that people and compilers will not get
confused.
ok claudio
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The RTM_VERSION bump is 2 years ago and so there is no need for this.
Diff made by tedu@ some time ago but got never commited so I do it now.
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if_media. This makes link state tracking a lot easier as there is no need
to convert if types to if_media types, etc. Additionally this allows us
to extend the link states to include states tracked on higher protocol layers.
gre(4) keepalives packets, bfd and udld can be implemented without ugly hacks.
OK henning, michele, sthen, deraadt
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functions are called, which will turn off DMA. Receiving packets into
your memory after a system reboot is pretty nasty. This will also mean
that the shutdown hooks can go; this solution is smaller.
ok henning miod dlg kettenis
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ok henning@
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alternate routing table and separate them from other interfaces in distinct
routing tables. The same network can now be used in any doamin at the same
time without causing conflicts.
This diff is mostly mechanical and adds the necessary rdomain checks accross
net and netinet. L2 and IPv4 are mostly covered still missing pf and IPv6.
input and tested by jsg@, phessler@ and reyk@. "put it in" deraadt@
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ifconfig em0 -inet6
deletes all v6 addresses including link-local and prevents new ones from
being added.
ifconfig em0 inet6 <addr>
re-enables v6, brings the link local back and adds optional <addr>
ok theo reyk
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priority 0. while we are in here make sure we add wi interfaces to group "wlan"
in the same way the net80211 stuff already is.
this makes dhcp multiple default routes useful on laptops.
ok claudio@
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to prevent the hwm growing beyond that. this allows the livelock mitigation
to do something where the hwm used to grow beyond twice the rx rings size.
ok kettenis@ claudio@
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added without an expilict priority. This allows to specify less prefered
interfaces that will only take over if the primary interface loses link.
OK deraadt@
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inside if_data, so that netstat(1) and systat(1) can see them
ok dlg
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- Add if_stop "stop routine" field in the ifnet struct.
ok mglocker@
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watermark for mbuf cluster allocations.
this is necessary for things like bge which cannot cope with less than a
certain number of pkts on the ring.
ok deraadt@
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ok dlg
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other option
ok dlg
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of. currently limited to MCLBYTES (2048 bytes) and 4096 bytes until pools
can allocate objects of sizes greater than PAGESIZE.
this allows drivers to ask for "jumbo" packets to fill rx rings with.
the second half of this change is per interface mbuf cluster allocator
statistics. drivers can use the new interface (MCLGETI), which will use
these stats to selectively fail allocations based on demand for mbufs. if
the driver isnt rapidly consuming rx mbufs, we dont allow it to allocate
many to put on its rx ring.
drivers require modifications to take advantage of both the new allocation
semantic and large clusters.
this was written and developed with deraadt@ over the last two days
ok deraadt@ claudio@
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decent drivers prefer to have a lot of packets on the send queue so they
can queue a lot of them up on the tx ring and then post them all in one
big chunk. unfortunately our stack queues one packet onto the send queue
and then calls the start handler immediately.
this mitigates against that queue, send, queue, send behaviour by trying to
call the start routine only once per softnet. now its queue, queue, queue,
send.
this is the result of a lot of discussion with claudio@
tested by many.
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I wonder why 64-bit archs have not been bitten by this.
OK mcbride@, 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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rx rings any more. forwarding boxes with many fast interfaces can still use
some more, but this is a saner default.
ok deraadt markus henric
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which will be used for new interface routes. For example,
ifconfig em0 10.1.1.0 255.255.255.0 rtlabel RING_1
will set the new interface address and attach the route label RING_1 to
the corresponding route.
manpage bits from jmc@
ok claudio@ henning@
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ok henning
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state, if known by the driver. this is required to check the full
duplex state without depending on the ifmedia ioctl which can't be
called in the kernel without process context.
ok henning@, brad@
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code factored out from if_addgroup(), previously a group always had to have
members. ok mpf mcbride
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it's "special" case in ether_input(). Based on similiar idea in FreeBSD.
ok brad
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As a first user, move the global carp(4) demotion counter
into the interface group. Thus we have the possibility
to define which carp interfaces are demoted together.
Put the demotion counter into the reserved field of the carp header.
With this, we can have carp act smarter if multiple errors occur.
It now always takes over other carp peers, that are advertising
with a higher demote count. As a side effect, we can also have
group failovers without the need of running in preempt mode.
The protocol change does not break compability with older
implementations.
Collaborative work with mcbride@
OK mcbride@, henning@
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more drivers.
ok reyk@
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supporting ethernet jumbo frames. there's no standard for the size of
jumbo MTUs, so either let the driver set it's own value or use 9000
byte jumbo frames by default.
ok brad@
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the remainder of the network stack from splimp to splnet.
ok miod@
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fixes a possible crash if the parent interface has been destroyed
(like vlan on trunk) before destroying the vlan interface.
ok brad@
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so it is clear what it is all about
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interfaces the default route(s) point to, proposed deraadt some days ago,
ok djm deraadt
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the given group, markus 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 henning
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implementation. it currently supports round robin mode with link state
checking, additional modes will be added later.
ok brad@, deraadt@
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pass on mygroup ...
markus ok
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useless layers of indirection and make the code way cleaner overall.
this is just the start, more to come...
worked very hard on by Ryan and me in Montreal last week, on the airplane to
vancouver and yesterday here in calgary. it hurt.
ok ryan theo
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This converts if_link_state_change() to a generic usable
callback with dohooks().
OK henning@, camield@
Tested by camield@ and Alexey E. Suslikov
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on the routing socket and notifying carp() of link changes.
ok brad@ mpf@
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