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prohibited sysctl.
ok deraadt
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witness(4) has found that km_alloc will trigger an rw_enter via uvm_map
and vm_map_lock. While rw_enter is called with RW_SLEEPFAIL, there's
also an msleep in there, so it's easier to avoid getting in the middle
of that.
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This should make fading APs time out consistently regardless of what the
beacon interval is set to (range is 1 to 2^16 TU, though in practice 100 TU
seems to be a common value).
Print the beacon interval and missed beacon counter threshold to dmesg
if the DEBUG flag was set on the wireless interface with ifconfig(8).
This should help with diagnosing any issues that pop up.
Requested and diff eye-balled by kettenis@
help & ok tb@ phessler@
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ok stsp@
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if ic_mgt_timer indicates that we're not already waiting for a response.
Fixes a flood of probe requests sent out while the interrupt kept firing.
Also, byteswap the missed beacon counter value when reading it.
ok mpi@
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if ic_mgt_timer indicates that we're not already waiting for a response.
Fixes a flood of probe requests sent out while the interrupt kept firing.
Also, read the missed beacon counter value after DMA sync.
ok mpi@
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this should effectively double (or restore?) the number of packets that
can be fit on the tx ring.
tested on an od1000.
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instead of assuming start routines only run inside the ifq serialiser,
only rely on the serialisation provided by the ifq mtx which is
explicitly used during ifq_deq ops.
ie, free the mbufs in ifq_free at the end of ifq_deq ops instead
of in the ifq_serialiser loop. ifq deq ops arent necessarily called
within the serialiser.
this should fix panics caused by fq codel on top of bce (which calls
bce_start from it's tx completion path instead of ifq_restart).
ok mikeb@
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instead of checking for space after beggining to deq a packet, check
for space before committing to handling a packet. this means we
can use ifq_dequeue instead of ifq_deq_begin/commit/rollback.
this is a port of src/sys/dev/pci/if_sk.c r1.187, but tweaked to
account for msk using twice the tx ring descriptors thanks to its
annoying support for 64bit addresses.
tested on an od1000
ok jmatthew@ sthen@
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instead of checking for space after beggining to deq a packet, check
for space before committing to handling a packet. this means we
can use ifq_dequeue instead of ifq_deq_begin/commit/rollback.
ok mikeb@
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passes the tag where the pointer to the simplebus_dmamap_load_buffer()
wrapper is stored in. We want to call the load buffer function that
was passed from our parent device, so we have to pass the parent's tag.
Otherwise we end up in a recursive and neverending loop.
This only occurs when a simplebus attaches to a simplebus, which we
apparently didn't have so far.
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time_second. Since time_second changes depending on the wall-
clock time, time_second is not a reliable source for the status.
We can even end up with a negative time delta. Thus, use the
monotonically growing time_uptime and export it to userland.
ok bluhm@ mikeb@
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Fixes reports on tech and in private.
ok yasuoka@ stsp@
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* build with -ffreestanding
* skip the integrated assembler for assym.h
* use as(1) to build biosboot.S and the various versions of srt0.S
ok kettenis@
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race. Revert for now.
Issue found by claudio@.
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run so that this locore0.o is always at the start of the executable.
But randomize the link order of all other .o files in the kernel, so
that their exec/rodata/data/bss segments land all over the place.
Late during kernel boot, unmap the early startup code.
As a result, the internal layout of every newly build bsd kernel is
different from past kernels. Internal relative offsets are not known
to an outside attacker. The only known offsets are in the startup code,
which has been unmapped.
Ramdisk kernels cannot be compiled like this, because they are gzip'd.
When the internal pointer references change, the compression dictionary
bloats and results in poorer compression.
ok kettenis mlarkin visa, also thanks to tedu for getting me back to this
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Works with WIFIonICE.
ok phessler@
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From FreeBSD via Jan Schreiber <jes at posteo ! de>, thanks!
OK tedu, bluhm
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OK stsp@
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Input from mpi@, jmatthew@; OK mpi@, henning@, benno@
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datarate for management frames
based on revs 1.187 and r 1.188 from iwn(4)
OK stsp@
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destination options header. Such packets can be passed by adding
"allow-opts" to the rule. So IPv6 options are handled like their
counterpart in IPv4 now.
tested by benno@; OK henning@
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which specified how much time may elapse without beacons before drivers
begin searching for a new AP.
Drivers convert this timeout value into the amount of beacons they're allowed
to miss. Having the stack provide this number upfront simplifies things.
ok mpi@
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ok deraadt bluhm
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Requested by deraadt@
ok mpi@
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re-initializations of statically set fields. Move a common
chunk out of both clauses of if/else.
No intentional functional change.
ok sf@
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matches freebsd, fixes lldb. from Kamil Rytarowski at NetBSD.
while here, make the same change to KNOTE. ok deraadt
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IPv4 & IPv6 dispatch functions outside the KERNEL_LOCK().
We currently rely on the NET_LOCK() serializing access to most global
data structures for that. IP input queues are no longer used in the
forwarding case. They still exist as boundary between the network and
transport layers because TCP/UDP & friends still need the KERNEL_LOCK().
Since we do not want to grab the NET_LOCK() for every packet, the
softnet thread will do it once before processing a batch. That means
the L2 processing path, which is currently running without lock, will
now run with the NET_LOCK().
IPsec isn't ready to run without KERNEL_LOCK(), so the softnet thread
will grab the KERNEL_LOCK() as soon as ``ipsec_in_use'' is set.
Tested by Hrvoje Popovski.
ok visa@, bluhm@, henning@
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part of a diff from Imre Vadasz via sf@
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from Imre Vadasz via sf@
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krw@ has been having issues with dhclient on vlan interfaces because
i made them only configure the lladdr when they were brought up.
dhclient likes to read the mac address and then bring them up.
this makes vlan copy the parents lladdr onto the vlan interface
when the parent is configured. this probably helps with v6 addresses
on vlan interfaces too.
the new code still supports configuring a custom lladdr on a vlan
interface. this can be done both before and after a parent is
configured, and if a parent is removed.
while here, if the parent is reconfigured while the vlan is up, dont
error if the new parent is the same as the current one. this should
make running netstart again less noisy.
ok krw@
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ok krw@ deraadt@
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D-Link DWA-525 rev A2.
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implementation that it depends on currently isn't.
ok mikeb tom
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* skip the integrated assembler for assym.h
* use as(1) to build biosboot.S and the various versions of srt0.S
ok deraadt@
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ok florian@
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disable hardware cursor.
From NetBSD.
OK deraadt@
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ok deraadt
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ok henning
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