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Reported by naddy@
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structure rather than doing various M_WAITOK allocations during
the *attach() functions, we always rely on them anyway.
ok mikeb@, uebayasi@
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array indexed by interface numbers, add a new field to the interface
descriptor pointing to it.
claudio@ and todd@ like it, ok mikeb@
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that can be filled. OK dlg@, mikeb@
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to replace the list of them.
this actually makes vlan inherit the IPv6 CSUM flags from it's parent, that
had been commented out since this code was committed back in 2001.
ok benno mpf
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When transmitting through vlan(4), it will now use the prio value in
pf packet header. When receiving, we save the incoming Cos in the same
place, this gives us the hability to preserve the CoS value across two
different vlan interfaces.
This kills the SIOC[GS]VLANPRIO ioctls and removes the corresponding
buttons from ifconfig(8).
ok henning@ claudio@ mcbride@
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variables being processed.
ok bluhm@ henning@
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From Christiano F. Haesbaert.
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move the configured multicast addresses and preserve the promisc mode
settings of the parent. this fixes an issue when carp stopped working on
a vlan after the vlandev was manually changed.
ok naddy@ phessler@
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runtime instead of forcing the user to-recreate the interface with the
changed options. The code now re-configures the interface instead of
returning EBUSY. For example, it is now possible to run "ifconfig
vlan1 vlandev em0; ifconfig vlan1 vlandev em1" in a sequence.
ok claudio@ deraadt@
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are required to detect that.
Change the function to take a wait argument (used in nfs server, but
M_NOWAIT everywhere else for now) and to return an error
ok claudio@ henning@ krw@
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QinQ-compliant svlan (service VLAN) interfaces are implemented as
a new cloner type, use Ethernet type 0x88a8, and have a dedicated
VLAN tag hash to avoid ID conflicts. vlan(4) interfaces can be
stacked on top of svlan(4).
Originally from reyk@, input from claudio@ and deraadt@
ok claudio@
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sysctl.h was reliant on this particular include, and many drivers included
sysctl.h unnecessarily. remove sysctl.h or add proc.h as needed.
ok deraadt
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this prevents the ultimate length of the queue of the underlying interface
from being artificially inflated while hte vlan/trunk queue is filled and
then dumped wholesale on the underlying interface, which will dump its
massive queue wholesale on the chip.
tx mitigation is only triggered on real interfaces now (which is where the
cost is)
ok beck@ original diff ok kjc@ henning@
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Changes in those revision limited the send queue to one slot.
This breaks NFS over vlan(4) has discovered by sthen@.
"just plain back it out." deraadt@
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interfaces down to the queue on the physical interface immediately.
this avoids having the tx mitigation code wasting cpu time dicking around
with simply shuffling packets off virtual interface queues and lets it
do its job of ammortising the cost of calling a real interfaces start
routine.
it also prevents an artificial inflation of the physical interfaces queue
length where packets could hide on the virtual interfaces queues during
softnet before being dumped en masse onto the hardware. this will smooth
out the rate at which packets are submitted to the hardware.
kjc@ says this has no impact on altq. ya henning@
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tag in the header. Convert TX tagging in the drivers.
Help and ok brad@
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where the tag is stored in the mbuf header.
* Make bridge(4) handle interfaces with and without hardware tag
support and forward packets inbetween.
Help and ok claudio@
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promiscuous mode itself. Closes PR 5012. With claudio@.
ok claudio@, henning@
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Found by LLVM/Clang Static Analyzer.
ok henning@ mpf@
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calls to ifp->if_start to if_start(). these are the obviously right cases
where we can do that, the less obvious ones may follow as theyre figured
out.
deraadt@ said to go for it
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ok claudio@ krw@ jason@ 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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reconfigured after they are set. so they bail out when you try to. so when
you re-run netstart on a machine with vlans, it bails out with
ifconfig: SIOCSETVLAN: Device busy
and IP changes are not done.
make vlan_config() notice when both parent interface and vlan number stay
the same and just return success without doing anything in that case.
allows the IP config thereafter to happen. ok markus jason
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the establish calls were bypassed or failed.
ok mpf@
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the vlan priority. Relaxes the order of the vlanprio parameter in ifconfig.
OK claudio, brad, norby
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device. previously this was only done at config time, so vlan if's baudrate
could easily get out of sync with parent's. ok camield brad
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outbound), using a new BIOCSDIRFILT ioctl;
guidance, feedback and ok canacar@
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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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ok claudio@ brad@
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ok brad@
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The previous code could wrongly delete multicast groups
on the parent interface. Now we forward only remembered
delete requests.
OK mcbride, mickey.
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to bpf with either an address family or other header added.
These helpers only allocate a much smaller struct m_hdr on the stack when
needed, rather than leaving 256 byte struct mbufs on the stack in deep
call paths. Also removes a fair bit of duplicated code.
commit now, tune after deraadt@
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reworked to not strip vlan tags in hardware anymore.
ok brad henning jason
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ok markus jason henning brad
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consume vlan frames that no vlan interface wants, so they can
still be bridged.
This way, the bridge can bridge encapsulated frames _and_ bridge
between vlan interfaces.
ok henning markus
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with pascoe@
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From FreeBSD/NetBSD
Tested by camield@ and Alexey E. Suslikov <cruel at texnika dot com dot ua>
ok camield@
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Changes are reported to userland and to other
interfaces sitting on top of us.
OK henning@, camield@
Tested by camield@ and Alexey E. Suslikov
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This prevent a variety of fun panics.
From NetBSD
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being..
- Set the interface speed back to zero after ether_ifattach(). RFC 2863
says: "For a sub-layer which has no concept of bandwidth, [ifSpeed]
should be zero."
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bits from tags extracted from received frames. (Some drivers may
already do this masking internally, but doing it here doesn't hurt
and insures consistency.)
- In vlan_ioctl(), don't let the user set a VLAN ID value with anything
besides the VLID bits set, otherwise we will have trouble matching
an interface in vlan_input() later.
- Set the interface speed back to zero after ether_ifattach(). RFC 2863
says: "For a sub-layer which has no concept of bandwidth, [ifSpeed]
should be zero."
- Do not call if_down() on a parent interface if it's already down.
From FreeBSD
Tested by camield@ and Alexey E. Suslikov <cruel at texnika dot com dot ua>
ok camield@
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