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This patch makes ieee80211_is_* return bool to improve
readability due to these particular functions only using either
one or zero as their return value.
No functional change.
Signed-off-by: Yaowei Bai <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This patch makes lockdep_genl_is_held return bool to improve
readability due to this particular function only using either
one or zero as its return value.
No functional change.
Signed-off-by: Yaowei Bai <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Or Gerlitz says:
==============================
Mellanox driver update for net-next
Some small fixes and small enhancements from the team.
Series applies over net-next commit acb4a6b "tcp: ensure prior synack rtx behavior
with small backlogs".
==============================
Signed-off-by: David S. Miller <[email protected]>
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The 'for' loop when undoing rb-tree insertions and list-adds in the
error flow in add_res_range had errors, fix them.
Signed-off-by: Saeed Mahameed <[email protected]>
Signed-off-by: Jack Morgenstein <[email protected]>
Signed-off-by: Or Gerlitz <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The procedure mlx4_update_qp leaks mailboxes in its error-flow, fix that.
Signed-off-by: Jack Morgenstein <[email protected]>
Signed-off-by: Or Gerlitz <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Changed the receive control flow in a way that steering
rules are added only when the RSS object is already in RTR/RTS mode.
Some optimization features, which are enabled by the device firmware,
require this condition in order to be effective.
Signed-off-by: Ido Shamay <[email protected]>
Signed-off-by: Or Gerlitz <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Use a single threaded work queue for each device in the system instead of
using one thread for any device. This is required so we can concurrently
process system error handling for all the devices that need that.
Signed-off-by: Eli Cohen <[email protected]>
Signed-off-by: Or Gerlitz <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Use ioread function to read health buffer data. In addition, print the
firmware version as a string for readability and also use dev_err to have
the device string to be printed.
Signed-off-by: Eli Cohen <[email protected]>
Signed-off-by: Or Gerlitz <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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In preparation to handling system errors at the mlx5_core level, change the
interface of cmd_work_handler to accept a 64 bit argument for the vector.
This allows to encode a flag that signifies when the handler is called
as a result of a driver logic that wishes to terminate commands that
the hardware may not be able to terminate. Such command completions
are detected at the handler and proper return status is encoded.
To be able to terminate page handler commands, we make sure to set
the corresponding bit in the bitmask.
Signed-off-by: Eli Cohen <[email protected]>
Signed-off-by: Or Gerlitz <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Improve the messages printed by the mlx5 macros to include the device
string. In addition, prefix names used by the macros with two underscores
to avoid possible name collisions.
Signed-off-by: Eli Cohen <[email protected]>
Signed-off-by: Or Gerlitz <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2015-10-08
This series contains updates to i40e and i40evf only (again).
Jesse fixes an issue where the driver was issuing a WARN_ON during ring
size changes because the code was cloning the rx_ring struct but not
zeroing out the pointers before allocating new memory, so simply zero
out the pointers. Also reduced the function call overhead by moving
the interrupt enable function by moving it to the header file, which it
in turn allows us to inline it. Also does a thorough job of code
cleanup to fix spaces after declarations, remove unnecessary braces
and breaks, remove another __func__ use and general code tidiness.
Mitch adds mover verbose error messages when the number of supported VFs
is reported in driver init and it different from the number reported in
config space. Updated the VF driver to now detect a reset with the
VF_ARQLEN register since the enable bit is cleared when the VF is reset
and it stays cleared until the VF driver processes the reset and
re-enables the admin queue which is more reliable than using the
VFGEN_RSTAT as previously.
Neerav adds parsing for CEE DCBx TLVs from the LLDP MIB since there is
a need to get the CEE DesiredCfg Tx by firmware and DCB configuration
Rx from peer for debug and other application purposes.
Carolyn fixes a problem where the PF's Flow Director filter table would
have an entry that the hardware was unable to add, when this occurs an
invalid entry gets replayed and a valid one is lost.
Matt fixes an issue where multiple link up messages can be logged
resulting from admin queue link status timing when link properties are
changed.
Shannon adds the ability to control the period link polling through
ethtool to be able to switch it off and on for debugging link issues.
Serey explicitly assigns the enum index for each VSI type so that the PF
and VF always reference to the same VSI type event if the enum lists
are different.
====================
Signed-off-by: David S. Miller <[email protected]>
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WARN_ON() already contain an unlikely compiler flag. Drop it.
Signed-off-by: Geliang Tang <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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The DFS pattern detector ought to reset the
detector lines when a pulse is added with
lower time stamp than the previous (which
indicates a TSF restart).
This did not work so far and is fixed with
this patch.
The modification does not change detection
performance within the driver, since it
only ensures early reset (which is later
performed by the PRI detectors anyway).
It is relevant for synthetic tests and
statistical evaluations, where millions
of pulse patterns are processed and an
early reset helps reducing load.
Signed-off-by: Zefir Kurtisi <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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The check for send_pkt being NULL is redundant before the call
to htc_reclaim_txctrl_buf, therefore it should be removed. This was
detected by static analysis by cppcheck.
Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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During reset flow, ignore firmware errors detected prior
to the actual hardware reset as the recovery flow would
make additional unnecessary reset.
Signed-off-by: Hamad Kadmany <[email protected]>
Signed-off-by: Vladimir Kondratiev <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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When firmware crashes, just before firmware recovery,
dump the firmware memory to a devcoredump device.
The resulting dump can be read from user space to be used
in offline crash analysis.
Signed-off-by: Lior David <[email protected]>
Signed-off-by: Vladimir Kondratiev <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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Situations observed when IP stack schedules lots of
frames for Tx while no connection (connection lost,
for example). In this case, dmesg bloated with error
message "FW not connected", printed for every frame.
Ratelimit this error message to avoid dmesg pollution.
Signed-off-by: Vladimir Kondratiev <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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For the sniffer (monitor) mode, capture either control only or both
control and data PHY.
It used to be control only or data only PHY due to firmware
issues with configuration for PHY auto-detection; but now
it is resolved.
Signed-off-by: Vladimir Kondratiev <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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BAR frames delivered to the host via Rx path; whole BAR frame
get delivered. Advance sequence in the reorder buffer and release
old frames, as per IEEE802.11 spec.
Firmware will reply to BAR, driver responsibility is only reorder
buffer management.
Signed-off-by: Vladimir Kondratiev <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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Hostapd request disconnect for broadcast bssid when it
wants to disconnect all stations from the AP.
Detect this and really disconnect all connected stations.
Signed-off-by: Vladimir Kondratiev <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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When allocating pmc descriptor, the structure is
initially created on stack and later copied to
the physical ring (device) memory. The descriptor
structure must be initialized to zero to avoid
garbage configuration, which may result in pmc
mechanism malfunctioning.
Signed-off-by: Vladimir Shulman <[email protected]>
Signed-off-by: Vladimir Kondratiev <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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Print firmware and ucode assert codes when firmware crashed.
Signed-off-by: Lior David <[email protected]>
Signed-off-by: Vladimir Kondratiev <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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On Rx, when invalid frame is received and dropped,
reaping of next frames from Rx ring is stopped.
This stops NAPI polling and re-enables the Rx interrupt.
However, in cases where no more frames received,
interrupt will not be triggered and rest of Rx frames
will not be processed.
Skip bad frames and continue to reap Rx packets when
such frames are encountered, and add statistics for
such frames for debug.
Signed-off-by: Hamad Kadmany <[email protected]>
Signed-off-by: Vladimir Kondratiev <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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Fix compilation warning where CONFIG_PM defined while
CONFIG_PM_SLEEP is not defined
Report follows:
tree: git://github.com/kvalo/ath pending
head: 941145fc5e5afbb120271e5dfaf37213ddb55807
commit: df596be39294d9712e5d568063a48448031e0a9f [37/39] wil6210: system power management
config: xtensa-allyesconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout df596be39294d9712e5d568063a48448031e0a9f
# save the attached .config to linux build tree
make.cross ARCH=xtensa
All warnings (new ones prefixed by >>):
>> drivers/net/wireless/ath/wil6210/pcie_bus.c:264:12: warning: 'wil6210_suspend' defined but not used [-Wunused-function]
static int wil6210_suspend(struct device *dev, bool is_runtime)
^
>> drivers/net/wireless/ath/wil6210/pcie_bus.c:291:12: warning: 'wil6210_resume' defined but not used [-Wunused-function]
static int wil6210_resume(struct device *dev, bool is_runtime)
^
Reported-by: kbuild test robot <[email protected]>
Signed-off-by: Vladimir Kondratiev <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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The current number of spatial streams used by the client is advertised
as a separate IE in assoc request. Use this information to set
the NSS operating mode.
Fixes: 45c9abc059fa ("ath10k: implement more versatile set_bitrate_mask").
Signed-off-by: Vivek Natarajan <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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After processing received packets from copy engine, host will allocate
new buffer and queue them back to copy engine ring for further
packet reception. On post rx processing path, skb allocation and
dma mapping are unnecessarily handled within ce_lock. This is affecting
peak throughput and also causing more CPU consumption. Optimize this
by acquiring ce_lock only when accessing copy engine ring and moving
skb allocation out of ce_lock.
In AP148 platform with QCA99x0 in conducted environment, UDP uplink peak
throughput is improved from ~1320 Mbps to ~1450 Mbps and TCP uplink peak
throughput is increased from ~1240 Mbps (70% host CPU load) to ~1300 Mbps
(71% CPU load). Similarly ~40Mbps improvement is observed in downlink
path.
Signed-off-by: Rajkumar Manoharan <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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It is noticed that pci wakeup time is exceeding current timeout (10ms)
randomly which is tested on QCA988x. So, the wake up time is increased
to 30 ms and added debug prints to log total timeout.
Signed-off-by: Maharaja Kennadyrajan <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
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To help users and developers know what compile options
and hardware features are enabled at compile time, print
VxLAN is available.
Change-ID: I3162f3b7678dc725a597f964217920eb218b480b
Signed-off-by: Jesse Brandeburg <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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The VF really doesn't care about the QOS handle but it will in the
future. Since the VF only uses TC0, send it that handle. On the VF
side, save the handle and use it to populate the QOS params when we call
into the client interface.
Change-ID: I76f41b070baeaa09b19383e9168bc677837e0761
Signed-off-by: Mitch Williams <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Use the capabilities passed to us by the PF driver to control VF driver
behavior. In the process, clean up the VLAN add/remove code so it's not
a horrible morass of ifdefs.
Change-ID: I1050eaf12b658a26fea6813047c9964163c70a73
Signed-off-by: Mitch Williams <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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I found a code indent that was avoidable because a whole function is inside
an if block, reverse the if and move the code back a tab.
Change-ID: I9989c8750ee61678fbf96a3b0fd7bf7cc7ef300a
Signed-off-by: Jesse Brandeburg <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Add missings spaces after declarations, remove another __func__ use,
remove uncessary braces, remove unneeded breaks, and useless returns,
and generally fix up some code.
Change-ID: Ie715d6b64976c50e1c21531685fe0a2bd38c4244
Signed-off-by: Jesse Brandeburg <[email protected]>
Signed-off-by: Shannon Nelson <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Using VFGEN_RSTAT to detect a VF reset is an endeavor that is fraught
with peril. It's entirely too easy to miss a reset because none of the
bits are sticky. By the time the VF driver reads the register, the reset
may have been processed and cleaned up by the PF driver, leaving the
register in the same state that it was before the reset.
Instead, detect a reset with the VF_ARQLEN register. When the VF is
reset, the enable bit in this register is cleared, and it stays cleared
until the VF driver processes the reset and re-enables the admin queue.
Because we now deal with multiple registers in the reset and watchdog
tasks, rename the rstat_val variable to reg_val.
Change-ID: Id1df17045c0992e607da0162d31807f7fc20d199
Signed-off-by: Mitch Williams <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Changes parsing of AQ command Get CEE DCBX OPER CFG (0x0A07). Change is
required because FW creates the oper_prio_tc nibbles reversed from those
in the CEE Priority Group sub-TLV.
Change-ID: I7d9d8641bb430d30e286fc3fac909866ef8a0de8
Signed-off-by: Greg Bowers <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Ran into an issue where PF's VSI type list was different from VF's,
which was resulted in different enum index. The VSI type list can
be different depending on what build flag is used for PF and VF.
The change is to explicitly assign enum index for each VSI type
so that PF and VF always reference to the same VSI type event if the
enum lists are different.
Change-ID: I8c0e5fdb515f324f7964df863a458073cf467e57
Signed-off-by: Serey Kong <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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There's been some need for controlling the periodic link polling for
debugging link issues. This patch enables switching it off and on
through an ethtool private flag. The link poll remains on by default,
but can be turned off with
ethtool --set-priv-flags p261p1 LinkPolling off
and later turned back on with
ethtool --set-priv-flags p261p1 LinkPolling on
To check the current status, use
ethtool --show-priv-flags p261p1
Change-ID: I32e4ab654ff3eec90a06cf144899971b82d71c40
Signed-off-by: Shannon Nelson <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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This patch addresses an issue where multiple link up messages can be logged
resulting from aq link status timing when link properties are changed (fc,
speed, etc.); solved by using a single function to handle status printing
and adding a mechanism to track whether link state (up or down) has
actually changed.
Change-ID: Ied6ed6e49dc397c77d992adc0bc9ed3767152b9d
Signed-off-by: Matt Jared <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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This patch fixes a problem where the PF's fdir filter table would have an
entry that the hw was unable to add. This notification happens in the hot
path, so instead of trying to fix it then, we note the location in the
failure case and delete it during regular fdir subtask callback. Without
this patch, a case can occur where an invalid entry gets replayed and a
valid one is not.
Change-ID: I67831c183b5d0309876de807cc434809b74c9cb7
Signed-off-by: Carolyn Wyborny <[email protected]>
Signed-off-by: Shannon Nelson <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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This patch adds capability to query and store the CEE DCBX DesiredCfg
and RemoteCfg data from the LLDP MIB.
Added new member "desired_dcbx_config" in the i40e_hw data structure
to hold CEE only DesiredCfg data.
Change-ID: I19c550369594384eaff4cc63e690ca740231195d
Signed-off-by: Neerav Parikh <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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This patch adds parsing for CEE DCBX TLVs from the LLDP MIB.
While the driver gets the DCB CEE operational configuration from Firmware
using the "Get CEE DCBX Oper Config" AQ command there is a need to get
the CEE DesiredCfg Tx by firmware and DCB configuration Rx from peer; for
debug and other application purposes.
Change-ID: I9140edf1a25a2852c7eff805d81e5eff6266178d
Signed-off-by: Neerav Parikh <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Under certain circumstances, the device may not have enough resources to
enable all of the VFs that it advertises in config space. Although the
number of supported VFs is reported upon driver init, it is not obvious
when this is different from the number reported in config space. To
eliminate this confusion, add an error message explaining the problem.
Additionally, move the 'Allocating VFs' message down below the error
checks so as to prevent further confusion.
Change-ID: I45b7efca53a7aebf7777be33a8bc9d615ae48ea1
Signed-off-by: Mitch Williams <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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The interrupt enable function can be inlined by moving it to the header
file, which decreases the function call overhead for a frequently called
function.
Change-ID: I3214cc99593725768642680e7b8ce7e9bba7e44d
Signed-off-by: Jesse Brandeburg <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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The driver was issuing a WARN_ON during ring size changes
because the code was cloning the rx_ring struct but
not zeroing out the pointers before allocating new memory.
Zero out the pointers in the cloned copy before allocating
new memory for them. In this case the code was correctly
avoiding memory leaks but still triggering the warning.
Change-ID: I186dd493948e9b7254ab0593d4aad8b68808918d
Signed-off-by: Jesse Brandeburg <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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When the controller is unconfigured (for example it does not have a
valid Bluetooth address), then the basic debugfs entries for dut_mode
and vendor_diag are not creates. Ensure they are created in __hci_init
and also __hci_unconf_init functions. One of them is called during setup
stage of a new controller.
Signed-off-by: Marcel Holtmann <[email protected]>
Signed-off-by: Johan Hedberg <[email protected]>
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Daniel Borkmann says:
====================
BPF/random32 updates
BPF update to split the prandom state apart, and to move the
*once helpers to the core. For details, please see individual
patches. Given the changes and since it's in the tree for
quite some time, net-next is a better choice in our opinion.
v1 -> v2:
- Make DO_ONCE() type-safe, remove the kvec helper. Credits
go to Alexei Starovoitov for the __VA_ARGS__ hint, thanks!
- Add a comment to the DO_ONCE() helper as suggested by Alexei.
- Rework prandom_init_once() helper to the new API.
- Keep Alexei's Acked-by on the last patch.
====================
Signed-off-by: David S. Miller <[email protected]>
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While recently arguing on a seccomp discussion that raw prandom_u32()
access shouldn't be exposed to unpriviledged user space, I forgot the
fact that SKF_AD_RANDOM extension actually already does it for some time
in cBPF via commit 4cd3675ebf74 ("filter: added BPF random opcode").
Since prandom_u32() is being used in a lot of critical networking code,
lets be more conservative and split their states. Furthermore, consolidate
eBPF and cBPF prandom handlers to use the new internal PRNG. For eBPF,
bpf_get_prandom_u32() was only accessible for priviledged users, but
should that change one day, we also don't want to leak raw sequences
through things like eBPF maps.
One thought was also to have own per bpf_prog states, but due to ABI
reasons this is not easily possible, i.e. the program code currently
cannot access bpf_prog itself, and copying the rnd_state to/from the
stack scratch space whenever a program uses the prng seems not really
worth the trouble and seems too hacky. If needed, taus113 could in such
cases be implemented within eBPF using a map entry to keep the state
space, or get_random_bytes() could become a second helper in cases where
performance would not be critical.
Both sides can trigger a one-time late init via prandom_init_once() on
the shared state. Performance-wise, there should even be a tiny gain
as bpf_user_rnd_u32() saves one function call. The PRNG needs to live
inside the BPF core since kernels could have a NET-less config as well.
Signed-off-by: Daniel Borkmann <[email protected]>
Acked-by: Hannes Frederic Sowa <[email protected]>
Acked-by: Alexei Starovoitov <[email protected]>
Cc: Chema Gonzalez <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Add a prandom_init_once() facility that works on the rnd_state, so that
users that are keeping their own state independent from prandom_u32() can
initialize their taus113 per cpu states.
The motivation here is similar to net_get_random_once(): initialize the
state as late as possible in the hope that enough entropy has been
collected for the seeding. prandom_init_once() makes use of the recently
introduced prandom_seed_full_state() helper and is generic enough so that
it could also be used on fast-paths due to the DO_ONCE().
Signed-off-by: Daniel Borkmann <[email protected]>
Acked-by: Hannes Frederic Sowa <[email protected]>
Acked-by: Alexei Starovoitov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Factor out the full reseed handling code that populates the state
through get_random_bytes() and runs prandom_warmup(). The resulting
prandom_seed_full_state() will be used later on in more than the
current __prandom_reseed() user. Fix also two minor whitespace
issues along the way.
Signed-off-by: Daniel Borkmann <[email protected]>
Acked-by: Hannes Frederic Sowa <[email protected]>
Acked-by: Alexei Starovoitov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Make the get_random_once() helper generic enough, so that functions
in general would only be called once, where one user of this is then
net_get_random_once().
The only implementation specific call is to get_random_bytes(), all
the rest of this *_once() facility would be duplicated among different
subsystems otherwise. The new DO_ONCE() helper will be used by prandom()
later on, but might also be useful for other scenarios/subsystems as
well where a one-time initialization in often-called, possibly fast
path code could occur.
Signed-off-by: Hannes Frederic Sowa <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Acked-by: Alexei Starovoitov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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There's no good reason why users outside of networking should not
be using this facility, f.e. for initializing their seeds.
Therefore, make it accessible from there as get_random_once().
Signed-off-by: Hannes Frederic Sowa <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Acked-by: Alexei Starovoitov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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