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since they have the same lifetime.
Requested by and ok dlg@
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ok krw@ miod@
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function.
ok claudio@, reyk@
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your kernel configuration, no need for a #if NBRIDGE > 0 dance.
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found by jsg; ok jsg mikeb
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Each physical interface of a trunk now gets a specific ifih (interface
input handler) that runs before ether_input().
Tested by sthen@, dlg@, Theo Buehler and <mxb AT alumni.chalmers DOT se>
ok sthen@, dlg@
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ok miod@
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This makes ND6 and ARP layers happy since they both check for this flag,
but is was redundant to provide route(8)'s "-llinfo" option when adding
a l2 route.
RTF_LLINFO is clearly redundant for userland tools, so only allow the
kernel to set it.
ok benno@, claudio@
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m_adj(9) to keep bridge(4) working while other pseudo-drivers are
converted to if_input().
Tested by mxb <mxb AT alumni DOT chalmers DOT se>, thanks!
ok henning@
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descriptor during SIOCSIFFLAGS.
This prevent a use after free, triggered by the pool/malloc damage
finder being currently cooked by dlg@ and deraadt@.
ok deraadt@
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add a condition to save a useless call to m_adj() and have a paranoid
length check in the other cases.
OK henning@
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has destroyed or damaged the interface clone.
with mpi
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this has a slight semantic change. previously pipex would only
process up to 128 packets on the input and output queues at a time
and would reschedule the softint if there were any left. now it
mq_delists the current set of pending packets and only processes
them. if anything is added to the queues later they'll cause the
softint to run again.
this in turn lets us deprecate sysctl_ifq since nothing uses it
anymore. because niqueues are mostly wrappers around mbuf_queues,
we can provide sysctl_mq and just #define sysctl_niq to it.
pipex bits are ok yasuoka@
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Rafael Zalamena.
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Because of this semicolon, a local route was *always* created. This
should have no impact except for IPv6 addresses on loopback interfaces
for which the IPv6 code was trying to create a route to "::1" twice.
This should now be fixed so we can fix the bug that was hidding a bug
who was hidding a bug... lalala...
ok henning@
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mbuf_list.
hfsc lists are very clever because they manage a fifo with a single
pointer by abusing the m_next pointer of the tail mbuf to point to
the head. clever but hard to read.
mbuf_lists are slightly bigger because they explicitely track the
head mbuf, but i got us that space back by inlining hfsc_classq
into hfsc_class and removing the unnecessary classq field.
ok henning@
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get padding appended to them. This padding is not stripped off in
ip6_input() (due to support for IPv6 Jumbograms, RFC2675). That
means PF needs to be careful when reassembling fragmented packets
to not include the padding in the reassembled packet.
from FreeBSD; via Kristof Provost; OK henning@
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No objection from reyk@, OK markus, hshoexer
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ok mikeb
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(fixes sadb_ident_type conversion for policies)
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Should fix a panic reported by many on bugs@ and misc@.
ok dlg@
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are converted to if_input().
Reviewed by Rafael Zalamena.
ok claudio@, dlg@
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This code is largely unfinished and is not used for anything. The change
leaves identities as only objects referenced by ipsec_ref structure and
their handling requires some changes to support more advanced matching of
IPsec connections.
No objections from reyk and hshoexer, with and OK markus.
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to of vlan(4) from ether_input() to bridge_input().
One of the goal of the if_input() plumbing is to stop doing all possible
pseudo-drivers checks on every packets. There's no reason that even if
you're not running a bridge(4) you've to run this code.
This change also will also makes it easier to convert vlan(4) to if_input().
Reviewed by Rafael Zalamena and mikeb@, ok markus@
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there's no need to do it in m_devget(9).
Stop passing an ``ifp'' will help for upcoming interface pointer -> index
conversion.
While here remove unused ``ifp'' argument from m_clget(9) and kill two
birds^W layer violations in one commit.
ok henning@
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if_input().
Needed for the upcoming pseudo-driver integration work.
ok dlg@
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its value to userland which will always be 0.
drop the member. lie to userland.
ok henning@
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instances, so maintaining separate pools for them and pointing
between them is overhead.
this drops the hfsc_classq pool and inlines it into hfsc_class.
ok henning@
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and into the .c file.
ok henning@
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there instead of pf_ioctl.c.
ok henning@
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with niqueues.
this change is so big because there's a lot of code that takes
pointers to different input queues (eg, ether_input picks between
ipv4, ipv6, pppoe, arp, and mpls input queues) and falls through
to code to enqueue packets against the pointer. if i changed only
one of the input queues id have to add sepearate code paths, one
for ifqueues and one for niqueues in each of these places
by flipping all these input queues at once i can keep the currently
common code common.
testing by mpi@ sthen@ and rafael zalamena
ok mpi@ sthen@ claudio@ henning@
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by a subsystem to stash some state while the mbuf gets queued. eg,
net80211 uses it to keep track of the wireless node associated with
a packet before submitting it to a drivers snd queue for transmission.
this makes pipex use ph_cookie to keep track of the pipex session
associated with a packet before submitting it to the softint queues.
this lets us get rid of an mbuf tag type, and avoids the cost of
tag allocation.
ok yasuoka@
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an interface is destroyed/removed. This way we can ensure pseudo-driver
changes done after attaching an interface are undone before detaching it.
Note: it is safe to call if_deactivate() multiple times as the interface
should not have any attached pseudo-interface after the first call.
ok deraadt@, dlg@
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mtu when it gets set up. instead, allow the vlan interfaces mtu to
be raised to the parents hardmtu in SIOCSIFMTU handling.
pointed out by claudio@
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pfi_kif objects allocated for table entries created by route-to or
by specifying weight weren't garbage collected when the table entry
was destroyed.
Spotted by Alexandr Nedvedicky <alexandr ! nedvedicky at oracle ! com>,
thanks! Ok henning, florian
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Spotted by Alexandr Nedvedicky <alexandr ! nedvedicky at oracle ! com>,
thanks!
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Spotted by Alexandr Nedvedicky <alexandr ! nedvedicky at oracle ! com>,
thanks a lot! Ok florian
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might be overwritten by pseudo-drivers.
ok dlg@, henning@
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allows drivers to start calling if_input() without holding the kernel lock
while others work on make the bpf code mpsafe.
ok dlg@, mpi@
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and if_input up so the work ether_input does gets run on the task
instead of directly from hardware receive handlers.
this is a step toward letting hardware drivers run without biglock
by shoving the work the stack does which needs that lock sideways.
general agreement at s2k15
ok mpi@ kettenis@ claudio@
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this lets you have networks on the "native" (untagged) vlan on an
interface at 1500, while setting a child vlan interfaces mtu to
jumbos.
ok sthen@ henning@ chris@
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frees them. IFQ_PURGE does that too, so let's reuse it here.
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ok markus, hshoexer
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Since the removal of the link-layer ifa from "struct ifnet" it was
impossible to configure MPLS routes on mpe(4). Because just like
enc(4), mpe(4) was abusing the link-layer ifa to attach its route
entries.
So explicitly pass a "glue" ifa to the routing layer.
From Rafael Zalamena who discovered this the hardway, thanks!
ok claudio@
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use of struct ifqueue for things handled by softnet. they instead
use an mbuf_queue (yay mpsafe) and wrap up the schednetisr and
if_congestion handling.
ok mpi@
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its only used for the ip and ip6 network stack input queues, so it
seems unfair that every instance of ifqueue has to carry a pointer
around for this specific use case.
this moves the congestion marker to a kernel global. if we detect
that we're congested, we assume the whole system is busy and punish
all input queues.
marking a system as congested is done by setting the global to the
current value of ticks. as the system moves away from that value,
it moves away from being congested until the comparison fails.
written at s2k15
ok henning@ beck@ bluhm@ claudio@
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