Some USB host devices/drivers on some conditions can always return
EPROTO error on submitted URBs. That can cause infinity loop in the
rt2x00 driver.
Since we can have single EPROTO errors we can not mark as device as
removed to avoid infinity loop. However we can count consecutive
EPROTO errors and mark device as removed if get lot of it.
I choose number 10 as threshold.
Reported-and-tested-by: Randy Oostdyk <linux-kernel@oostdyk.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
As reported by Randy we can overwhelm logs on some USB error conditions.
To avoid that use dev_warn_ratelimited() and dev_err_ratelimitd().
Reported-and-tested-by: Randy Oostdyk <linux-kernel@oostdyk.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
In case create_singlethread_workqueue fails, the fix free the
hardware and returns NULL to avoid NULL pointer dereference.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
init_ray_cs does not check value of pcmcia_register_driver,
if it fails, there maybe cause a NULL pointer dereference in
exit_ray_cs.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Make use of the struct_size() helper instead of an open-coded version
in order to avoid any potential type mistakes, in particular in the
context in which this code is being used.
So, replace code of the following form:
sizeof(*pmkids) + max_pmkids * sizeof(pmkids->bssid_info[0])
with:
struct_size(pmkids, bssid_info, num_pmkids)
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* Bump the 20000-series FW API version supported;
* Work on the new debugging infra continues;
* One clean-up to prevent a bogus warning with clang;
* A small cleanup in the PCI ID list;
* Work on new hardware continues;
* RTT confidence indication support for FTM;
* An improvement in HE rate-scaling;
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Merge tag 'iwlwifi-next-for-kalle-2019-04-18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
Third batch of patches intended for v5.2
* Bump the 20000-series FW API version supported;
* Work on the new debugging infra continues;
* One clean-up to prevent a bogus warning with clang;
* A small cleanup in the PCI ID list;
* Work on new hardware continues;
* RTT confidence indication support for FTM;
* An improvement in HE rate-scaling;
In case the the trigger occurrences is zero or force_restart is set, the
driver sets IWL_FWRT_STATUS_DUMPING without actually scheduling trigger
collection. At this point no other dump collection can be performed.
Solve this by setting IWL_FWRT_STATUS_DUMPING bit only when the driver
is surely going to schedule dump collection
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
When building with -Wsometimes-uninitialized, Clang warns:
drivers/net/wireless/intel/iwlwifi/mvm/sta.c:2114:12: warning: variable
'queue' is used uninitialized whenever 'if' condition is false
[-Wsometimes-uninitialized]
Clang can't evaluate at this point that WARN(1, ...) always returns true
because __ret_warn_on is defined as !!(condition), which isn't
immediately evaluated as 1. Change this branch to else so that it's
clear to Clang that we intend to bail out here.
Link: https://github.com/ClangBuiltLinux/linux/issues/399
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
[added a few more braces]
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The range response notification API has changed to add a value that
indicates the confidence of the rtt result.
Support the new API and print the rtt confidence for debug.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Allows to dump periphery memory on ax210 devices.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
When building TLC configuration command, consider in case of HE,
if LDPC support is turned on in our capabilities.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Add debug prints to the ini flow and rewrite existing prints to provide
more information
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Add FW_INFO debug level. This level is enabled if INFO or FW debug
levels are set.
Also, set fw request and callback prints under this debug level.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
IWL_FW_INI_REGION_CSR and IWL_FW_INI_REGION_NOTIFICATION does not have
memory addresses attached to them so the driver should skip them when
parsing the region tlv.
Also, instead of declearing what region types should skip the addition of
the memory addresses, declare what regions have addition of memory
addresses.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
TFD_*_SLOTS and IWL_*_QUEUE_SIZE both define the TX queue
size (number of TFDs).
Get rid of TFD_*_SLOTS and use only IWL_*_QUEUE_SIZE.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
AX210 devices support 256 BA (256 MPDUs in an AMPDU).
The firmware requires that the number of TFDs will be
minimum twice as big as the BA size (2 * 256 = 512).
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
David Bauer says:
====================
net: add reset-controller driven PHY reset
This patchset adds support for a PHY reset driven by a reset-controller.
Currently, only GPIO driven resets are supported by the PHY subsystem.
It also renames the reset-gpio from 'reset' to 'reset_gpio' to
better differentiate between resets wired to a GPIO and resets wired to
a reset-controller driven pin.
Some systems have the PHY reset-line wired to a pin controlled by a
reset-controller (eg. some Atheros AR9132 based boards). In case the
bootloader asserts reset before loading the kernel, we currently do not
have a clean way of deasserting reset to probe the PHY.
v3:
- add missing newline in mdio_bus.c
v2:
- fixed missed rename of "reset" in at803x.c
- move initial reset to mdio_device_reset
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This renames the GPIO reset of mdio devices from 'reset' to
'reset_gpio' to better differentiate between GPIO and
reset-controller driven reset line.
Signed-off-by: David Bauer <mail@david-bauer.net>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit adds support for PHY reset pins handled by a reset controller.
Signed-off-by: David Bauer <mail@david-bauer.net>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add the documentation for PHY reset lines controlled by a reset controller.
Signed-off-by: David Bauer <mail@david-bauer.net>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jakub Kicinski says:
====================
net: some build fixes and other improvements
A few unrelated improvements here, mostly trying to make random
configs build and W=1 produce a little less warnings under net/
and drivers net/.
First two patches fix set but not used warnings with W=1.
Next patch fixes 64bit division in sch_taprio.c.
Last two patches are getting rid of some (almost) unused asserts
in skbuff.h.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
We are discouraging the use of BUG() these days, remove the
unused ASSERT macros from skbuff.h.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver does not advertize NETIF_F_FRAGLIST, the stack can't
pass skbs with frags lists to the xmit function.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Recent changes to taprio did not use the correct div64 helpers,
leading to:
net/sched/sch_taprio.o: In function `taprio_dequeue':
sch_taprio.c:(.text+0x34a): undefined reference to `__divdi3'
net/sched/sch_taprio.o: In function `advance_sched':
sch_taprio.c:(.text+0xa0b): undefined reference to `__divdi3'
net/sched/sch_taprio.o: In function `taprio_init':
sch_taprio.c:(.text+0x1450): undefined reference to `__divdi3'
/home/jkicinski/devel/linux/Makefile:1032: recipe for target 'vmlinux' failed
Use math64 helpers.
Fixes: 7b9eba7ba0 ("net/sched: taprio: fix picos_per_byte miscalculation")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
GCC 8 complains:
drivers/net/sb1000.c: In function ‘card_send_command’:
drivers/net/sb1000.c:319:14: warning: variable ‘x’ set but not used [-Wunused-but-set-variable]
int status, x;
^
drivers/net/sb1000.c: In function ‘sb1000_check_CRC’:
drivers/net/sb1000.c:493:6: warning: variable ‘crc’ set but not used [-Wunused-but-set-variable]
int crc, status;
^~~
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
GCC complains:
net/l2tp/l2tp_ppp.c: In function ‘pppol2tp_ioctl’:
net/l2tp/l2tp_ppp.c:1073:6: warning: variable ‘val’ set but not used [-Wunused-but-set-variable]
int val;
^~~
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To make ICMPv6 closer to ICMPv4, add ratemask parameter. Since the ICMP
message types use larger numeric values, a simple bitmask doesn't fit.
I use large bitmap. The input and output are the in form of list of
ranges. Set the default to rate limit all error messages but Packet Too
Big. For Packet Too Big, use ratemask instead of hard-coded.
There are functions where icmpv6_xrlim_allow() and icmpv6_global_allow()
aren't called. This patch only adds them to icmpv6_echo_reply().
Rate limiting error messages is mandated by RFC 4443 but RFC 4890 says
that it is also acceptable to rate limit informational messages. Thus,
I removed the current hard-coded behavior of icmpv6_mask_allow() that
doesn't rate limit informational messages.
v2: Add dummy function proc_do_large_bitmap() if CONFIG_PROC_SYSCTL
isn't defined, expand the description in ip-sysctl.txt and remove
unnecessary conditional before kfree().
v3: Inline the bitmap instead of dynamically allocated. Still is a
pointer to it is needed because of the way proc_do_large_bitmap work.
Signed-off-by: Stephen Suryaputra <ssuryaextr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
phy_sanitize_settings() is called from phy_start_aneg() only, and only
if phydev->autoneg isn't set. Therefore the removed code does nothing.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In phy_device_create() we set phydev->autoneg = 1. This isn't changed
even if the PHY doesn't support autoneg. This seems to affect very
few PHY's, and they disable phydev->autoneg in their config_init
callback. So it's more of an improvement, therefore net-next.
The patch also wouldn't apply to older kernel versions because the
link mode bitmaps have been introduced recently.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
100GbE Intel Wired LAN Driver Updates 2019-04-18
This series contains updates to the ice driver only.
Anirudh fixes up code comments which had typos. Added support for DCB
into the ice driver, which required a bit of refactoring of the existing
code. Also fixed a potential race condition between closing and opening
the VSI for a MIB change event, so resolved this by grabbing the
rtnl_lock prior to closing. Added support to process LLDP MIB change
notifications. Added support for reporting DCB stats via ethtool.
Brett updates the calculation to increment ITR to use a direct
calculation instead of using estimations. This provides a more accurate
value.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Nothing really special standing out this time, iwlwifi being the most
active driver.
Major changes:
iwlwifi
* send NO_DATA events so they can be captured in radiotap
* support for multiple BSSID
* support for some new FW API versions
* support new hardware
* debugfs cleanups by Greg-KH
qtnfmac
* allow each MAC to specify its own regulatory rules
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Merge tag 'wireless-drivers-next-for-davem-2019-04-18' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for 5.2
Nothing really special standing out this time, iwlwifi being the most
active driver.
Major changes:
iwlwifi
* send NO_DATA events so they can be captured in radiotap
* support for multiple BSSID
* support for some new FW API versions
* support new hardware
* debugfs cleanups by Greg-KH
qtnfmac
* allow each MAC to specify its own regulatory rules
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently when calculating how much to increment ITR by inside of
ice_update_itr() we do some estimations and intermediate
calculations. Instead of doing estimations, just do the
calculation directly. This allows for a more accurate value and it
makes it easier for the next person to understand and update.
Also, remove the dividing the ITR value by 2 when latency
driven because the ITR values are already so low for 100Gbps
speed. This should help get to the desired ITR value faster.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Update driver version to 0.7.4
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch adds code to start or stop LLDP and DCBX in firmware through
use of ethtool private flags.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch introduces a new function ice_dcb_rebuild which reinitializes
DCB after a reset.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch adds a new function ice_update_dcb_stats to get DCB stats
from the hardware and ethtool support for displaying these stats.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch introduces a new function ice_tx_prepare_vlan_flags_dcb to
insert 802.1p priority information into the VLAN header
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch adds a new function ice_vsi_cfg_dcb_rings which updates a
VSI's rings based on DCB traffic class information.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch adds support to process LLDP MIB change notifications sent
by the firmware.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
When the firmware doesn't support LLDP or DCBX, the driver should switch
to "software LLDP mode". This patch adds support for the same.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch adds a new function ice_pf_dcb_cfg (and related helpers)
which applies the DCB configuration obtained from the firmware. As
part of this, VSIs/netdevs are updated with traffic class information.
This patch requires a bit of a refactor of existing code.
1. For a MIB change event, the associated VSI is closed and brought up
again. The gap between closing and opening the VSI can cause a race
condition. Fix this by grabbing the rtnl_lock prior to closing the
VSI and then only free it after re-opening the VSI during a MIB
change event.
2. ice_sched_query_elem is used in ice_sched.c and with this patch, in
ice_dcb.c as well. However, ice_dcb.c is not built when CONFIG_DCB is
unset. This results in namespace warnings (ice_sched.o: Externally
defined symbols with no external references) when CONFIG_DCB is unset.
To avoid this move ice_sched_query_elem from ice_sched.c to
ice_common.c.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch introduces a new top level function ice_init_dcb (and
related lower level helper functions) which continues the DCB init
flow.
This function uses ice_get_dcb_cfg to get, parse and store the DCB
configuration. Once this is done, it sets itself up to be notified
by the firmware on LLDP MIB change events.
Reviewed-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch introduces a skeleton for ice_init_pf_dcb, the top level
function for DCB initialization. Subsequent patches will add to this
DCB init flow.
In this patch, ice_init_pf_dcb checks if DCB is a supported capability.
If so, an admin queue call to start the LLDP and DCBx in firmware is
issued. If not, an error is reported. Note that we don't fail the driver
init if DCB init fails.
Reviewed-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Bump driver version to 0.7.3
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Stanislaw Gruszka
Kangjie Lu
YueHaibing
Gustavo A. R. Silva
Kalle Valo
Shahar S Matityahu
Nathan Chancellor
Luca Coelho
Avraham Stern
Gregory Greenman
Shaul Triebitz
David S. Miller
David Bauer
Jakub Kicinski
Stephen Suryaputra
Heiner Kallweit
Brett Creeley
Anirudh Venkataramanan