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The ipifc->local generator is the big exception,
dumping the whole link structure of the interface.
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when reading the status files from a conversation, ipread()
allocates a temporary buffer and calls the protocols
generator to fill the buffer and the calls
readstr() to handle the read request.
if the generator or readstr() erors, we must free the
temporary buffer.
also, allocate a more reasonable size for the "local"
and "remote" strings. allocating and zeroing 32K big
buffers for them is excessive.
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relax the maclen check as v6 neighbour disicovery might
give bigger buffers as the medium uses for the mac
address size, as the packet does not contain exact byte
count but rounds all the options to multiples of 8.
drop neighbour discovery packets coming from interfaces
with zero-length maclen.
when dialing icmpv6 protocol with link-local address
for the local ip address, filter any packets to it that
come from a different interface. otherwise ipconfig
would see router advertisements from other interfaces.
fix the locking for ipifc ctl messages: properly
acquire the wlock and check that the interface is still
bound for every ctl messages touching the interface.
make add6 ipifc ctl message work for media with
zero-length maclen by using the interface identier
from pre-existing link-local address when available.
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avoid dynamic code generating syswr() in the hot path...
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avoid the dynamic code generating syswr() in the hot path...
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Add some checks in the interrupt handler to ensure
that the slot and ring referred to by the event have
been initialized.
Also add a check in ctlrcmd() just in case we mess
up the recovery and someone issues a ctlrcmd() after
a failed xhciinit().
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When a ring wraps around, we need to program a wrap around
td with the base address. To get the base, we need to call
Ctlr.dmaaddr() and we used the slot->ctlr pointer to get to
it.
But the command ring has no slot associated to it so we would
crash as soon as we tried to submit more than 256 controller
commands.
The solution is to put a ctlr pointer into the Ring structure,
which also allows us to simplify resetring() and waittd()
as they now can get the controller implicitely thru the ring
pointer.
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tested with 6205
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Generalize the arp proxy code, so one can create
specific routes for ip ranges that we want to arp
proxy for, not just for point-to-point interface
routes.
as we have source specific routes, this also
gives some control over which requester we will
reply to.
one example for this is a vps where we booked
another ip address on the ethernet, that we want
to route into a vpn tunnel. the new ip is in
subnet of the public ethernet interface, so all
we now need todo is add a route for that ip into
the vpn tunnel and set the proxy flag "y", and
we will respond to arp for that ip on the public
ethernet interface.
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The idea is that when we reboot, we zero out
memory written by processes that have the private
flag set (such as factotum and keyfs), and also
clear the secrmem pool, which contains TLS keys
and the state of the random number generator.
This is so the newly booted kernel or firmware
will not find these secret keys in memory.
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talk to the right phy for cards with many ports.
fix pci ids.
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Oversight, was using free() instead of freenote(),
which handles the refcounting for gorup notes.
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The default configuration for "console=0" should go into CONFADDR
when using /dev/reboot.
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Tested with tp-link UE305, works well.
From all other sources it seems this should also work for the
88178a, but I didn't have one on hand.
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We expose the boot partitions as separate units,
such as sdM0 is the user data partition and sdM1
is the first boot partition and sdM2 is the
second boot partition.
On access, we automatically switch the
BOOT_PARTITOIN_ACCESS bits in the EXT_CSD.
Also, the units ctl file contains "boot enabled"
or "boot disabled" if that unit is the active
or inactive boot partition.
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> It gets applied to any protocol type that is not pptp
> but should only process encapsulated ip4 packets.
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The hub address is only usefull for the host controller
driver, while userspace really cares about the device number.
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There is currently no way to get the current mouse position
and button states without blocking.
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AddrMaskRequest
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- pass the correct ocr value for SEND_OP_COND (advertise Hcs and 3.3v)
- disambiguate SEND_RELATIVE_ADDRESS/SET_RELATIVE_ADDRESS
- detect the MMC version from CSD structure
- detect the capacity according to spec for MMC
- implement SWITCH command to set highspeed frequency and bus width
- rename Ctlr to Card (thats really what we keep track of here)
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The debug print contidion was wrong and would always
result in a debug print, even if the command just
timed out.
The R1b response seems to be handled internally by
the controller, so we do not need to wait for
datadone interrupt.
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We want to support the internal emmc device on the reform,
which has a different initialization sequence from SDcard.
The problem is, all mmc controller drivers where using
the command index to derive the command properties.
The command index's interpretation depends on the
command set. And MMC has different commands then SD.
Also, there are the APP_CMD escaped commands which
drivers then tried to recover the state...
All of this is total nonsense... The controller drivers
should not care and the command properties should
be maintained by port/sdmmc.c.
So we pass the command as a struct SDiocmd, which
has all the properties (command index, response type,
data transfer mode... and even a string for debugging).
The controller just converts this into register values
and just executes the commands.
Next, the controller drivers shouldnt snoop on the
commands and then try to apply bus and frequency
switching on their own. This is now made explicit by
having SDio.bus(io, width, speed) function.
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Make global variables static to avoid symbol clashes.
Order Link fields more compactly for 64-bit archs.
Add a common freelink() function for freeing Boards and Srvs.
Chain all Boards in a circular doubly-linked list,
so srvrename() can actually change the owners of *all*
the boards instead of just the root. We cannot use
recursion here as that could potentially blow the
kernel stack.
srvname() was also only processing the root.
Instead, we add a srvname field to Chan and set it to
the original path of the srv file that was used to post
the channel.
Call openmode() at the beginning of srvopen().
The reason is if omode has invalid bits it can error
and leave stuff in a inconsistent state.
Prevent srvwstat() to rename a file to "clone", it is
reserved.
Get rid of "lease expired" error message, just use
Eshutdown.
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this patch turns "no Tx entry available" messages into
an ifstats counter to reduce console spam.
While here, remove tx/rx offloading from the todo list
to not give people ideas.
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Submitted by Matt:
*Explain the problem that your change solves. Explain why your change
solves the problem well.*
The problem is that when using 9front on an Rpi3/Rpi4, on a revision 2
board, in bcm scheme, you cannot use GPIO5 nor GPIO6. If you look at the
pinout, https://pinout.xyz/pinout/, you can see GPIO5 and GPIO6 are both
GPIO pins - so, you should be able to use them. As you can see in the
patch, "5" and "6" were both missing from the bcmtableR2 definition. The
changes noted above fix this issue by adding GPIO5 ("5") and GPIO6 ("6")
to the bcmtableR2 definition. I specifically only addressed r2 boards b/c I
don't have an r1 board and don't want to make any speculations.
* If applicable, explain how you tested the patch, and give us a way of
reproducing the issue.*
I tested this / you can reproduce this by:
- Trying using GPIO5 and GPIO6 without the patch. You can do this by:
bind -a '#G' /dev
cd /dev/gpio
echo 'scheme bcm' > ctl
echo 'function out 5' > ctl
echo 'function out 6' > ctl
read -c 1 5
read -c 1 6
- Note that the `read` command above reads '0' from file 5 and from file 6.
- Now try to change the GPIO pins from 0 (off) to 1 (on)
echo '1' > 5
echo '1' > 6
read -c 1 5
read -c 1 6
- Note that the pins still read '0'
- Now, apply the patch and repeat the steps above. Except, after you `echo
'1' > 5` and `echo '1' > 6`, and then read files "5" and "6", you will see
that the pins now read "1" as intended.
Thanks,
Matt
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icmpdontfrag() was not working properly, need to pass the
gating source interface. in fact, we now always pass the source
interface to all icmp*() functions, which is used to
determine source ip address of the icmp reply.
also dont generate a icmp response for packets going to
non-unicast addresses (such as broadcast).
increase the amount of icmp response payload, but keep
icmp responses below the minimum ipv4 mtu (68 bytes).
regularize icmpv6 function names.
move icmp unreachable codes to icmpv6.c.
provide the mtu value for icmppkttoobig6().
dont advise announced udp connections.
avoid code duplication in icmp.c and icmpv6.c,
by having single send function with type, code and arg
parameters.
maintain statistics for sent ipv4 icmp types.
avoid route lookup in ipout*() by passing Routehint* to
icmpnohost*().
iladvise()... more like ill advice.
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We used to only clamp to the MTU of the destination interface,
but this is wrong. We have to clamp to the minimum of both
source and destination.
For this, we change the gating argument type of ipoput4()
and ipoput6() from int to Ipifc* to pass the source interface.
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We falsely confused locally listening connections
as existing translation entires. Fix it.
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