Replace ah_aes_support and ah_combined_mic with common ath_crypt_caps
ATH_CRYPT_CAP_CIPHER_AESCCM and ATH_CRYPT_CAP_MIC_COMBINED.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Replace common->splitmic with ATH_CRYPT_CAP_MIC_COMBINED flag.
splitmic has to be used when the ATH_CRYPT_CAP_MIC_COMBINED capability flag is
not set.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Acked-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Remove the old ath5k key handling functions, since we now use the key
management in ath common.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Acked-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Use common ath key management functions in ath5k. This fixes problems with HW
encryption in AP mode, which was broken in the ath5k implementation.
Before (with the ath5k implementation) only one client could connect to the AP
using HW encryption and WPA. When a second client connected, the first client
was not able to send/receive any more packets. Because of the problems with HW
encryption, software encryption was always used in AP mode, which resulted in a
high CPU load (and/or low thruput) on embedded devices. Instead of trying to
fix the implementation in ath5k it makes more sense to share the code with
ath9k.
This also enables HW encryption for AP mode again.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Copied the key cache management functions from ath9k (common.c and hw.c) to
ath/key.c so we can use them from ath5k, later.
Minor changes have been made:
- renamed ath9k_* to ath_*
- replaced ah->caps.keycache_size with common->keymax
- removed ATH9K_IS_MIC_ENABLED since it is always true.
- the AR_PCU_MIC_NEW_LOC_ENA flag is replaced with (splitmic == 0).
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch removes the unconditional return in the end of the
function check_sqs()
Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver has supported GRO for a while, but it was not enabled
by default.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
dev->ip_ptr is protected by rtnl and rcu.
Yet some places dont use appropriate primitives and/or locking rules.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The Thinkpad X100e seems to have some odd behaviour when the display is
powered off - the onboard r8169 starts generating rxfifo overflow errors.
The root cause of this has not yet been identified and may well be a
hardware design bug on the platform, but r8169 should be more resiliant to
this. This patch enables the rxfifo interrupt on 8168 devices and removes
the MAC version check in the interrupt handler, and the machine no longer
crashes when under network load while the screen turns off.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
struct ethtool_rawip4_spec and struct ethtool_ether_spec are neither
commented nor used by any driver, so remove them. Adjust padding in
the user-visible unions that included these structures.
Fix references to struct ethtool_rawip4_spec in
ethtool_get_rx_ntuple(), which should use struct ethtool_usrip4_spec.
struct ethtool_usrip4_spec cannot hold IPv6 host addresses and there
is no separate structure that can, so remove ETH_RX_NFC_IP6 and the
reference to it in niu.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The tg3's phy routines define temporary variables in many locations
within the same routine. This patch unifies all temporary variables
into one location.
Reviewed-by: Benjamin Li <benli@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch eases stack pressure by dynamically allocating the memory
used to temporarily store VPD data.
Reviewed-by: Benjamin Li <benli@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch converts the driver to prefer the skb_is_gso_v6() helper over
the explicit inlined version.
Reviewed-by: Benjamin Li <benli@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Now that each NAPI instance has its own producer ring, it no longer
makes sense to keep the producer ring structure external. This patch
migrates the producer ring struct to tg3_napi and pivots the code to the
new implementation.
Reviewed-by: Benjamin Li <benli@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
TG3_IRQ_MAX_VECS should be seen as the maximum number of vectors that
any device could be expected to use. tp->irq_max represents the maximum
number of vectors the current device can use. This patch clarifies the
semantics of the code to match the above description.
Reviewed-by: Benjamin Li <benli@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adjusts the driver to use the tg3_start_xmit_dma_bug()
transmit routine for all revisions of 5717 asic rev devices and then
allows the driver to attach to B0 and later devices.
Reviewed-by: Benjamin Li <benli@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
NCSI firmware does not accept APE events. It relies on a "driver state"
location in shared memory to tell it what the driver's current state is.
This patch pivots the code to use the new driver state scheme.
Reviewed-by: Benjamin Li <benli@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It was recently discovered that enabling TSS can lockup the device.
This patch disables the feature until a suitable workaround can be
found.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Earlier versions of tg3 devices had a problem where the read DMA FIFO
could be overrun in certain edge conditions. The fix was to limit the
number of rx BDs the hardware would fetch at a time. For later devices
(5761, 5784 and later ASIC revs), there is a hardware fix that must be
enabled to fix the same problem. This patch adds that hardware fix.
There is a gap in the ASIC revision lineage where neither fix is
applied. This is intentional as these ASIC revisions are not afflicted
by the bug.
Reviewed-by: Benjamin Li <benli@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On resume, before starting the PAL state machine, check if the
adjust_link() method is well supplied. If not, this would lead to a
NULL pointer dereference in the phy_state_machine() function.
This scenario can happen if the Ethernet driver call manually the PHY
functions instead of using the PAL state machine. The mv643xx_eth driver
is a such example.
Signed-off-by: Simon Guinot <sguinot@lacie.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The code is quite convoluted, simplify it. This also avoids calling
e1000_request_irq() without testing the value it returned, which was
bad.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Bruce Allan <bruce.w.allan@intel.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It was recently brought to my attention that 802.3ad mode bonds would no
longer form when using some network hardware after a driver update.
After snooping around I realized that the particular hardware was using
page-based skbs and found that skb->data did not contain a valid LACPDU
as it was not stored there. That explained the inability to form an
802.3ad-based bond. For balance-alb mode bonds this was also an issue
as ARPs would not be properly processed.
This patch fixes the issue in my tests and should be applied to 2.6.36
and as far back as anyone cares to add it to stable.
Thanks to Alexander Duyck <alexander.h.duyck@intel.com> and Jesse
Brandeburg <jesse.brandeburg@intel.com> for the suggestions on this one.
Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
CC: Alexander Duyck <alexander.h.duyck@intel.com>
CC: Jesse Brandeburg <jesse.brandeburg@intel.com>
CC: stable@kerne.org
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These were introduced in "wl1271: sdio: claim host only when doing IO"
drivers/net/wireless/wl12xx/wl1271_sdio.c: In function ‘wl1271_sdio_set_power’:
drivers/net/wireless/wl12xx/wl1271_sdio.c:193: warning: ‘return’ with a value, in function returning void
drivers/net/wireless/wl12xx/wl1271_sdio.c:195: warning: ‘return’ with a value, in function returning void
drivers/net/wireless/wl12xx/wl1271_sdio.c:186: warning: unused variable ‘func’
Signed-off-by: John W. Linville <linville@tuxdriver.com>
If AR_KeyMiss is set in the rx descriptor and AR_RxFrameOK is unset,
the hardware could not locate a valid key during a decryption attempt.
In this case, the frame must not be reported as decrypted, otherwise
mac80211 sees only random garbage.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
At the time the .add_interface driver op is called, the interface has not
been marked as running yet, so ieee80211_iterate_active_interfaces will
not pass it to the iterator function.
Because of this, the calculated BSSID mask is wrong, which breaks multi-BSS
operation.
Additionally, the current way of comparing all addresses against each other
is pointless, as the hardware only uses the hardware MAC address and the BSSID
mask for matching the destination address, so all the address array
reallocation is completely unnecessary.
This patch simplifies the logic by setting the initial mask bytes to 0xff
and removing all bits in the iterator call that don't match the hardware MAC
address. It also calls the iterator for the vif that was passed to
add_interface()
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Tested-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The CPU consumption during the scan period is high, since
the register write go over Interrupt endpoint. On downloading
the firmware to the target, the USB descriptors are
'patched' to change the type of the endpoints from Interrupt
to Bulk.
With this fix, the CPU usage during a scan run comes down to
acceptable levels.
Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
ath9k_wmi_ctrl_rx is racy with ath9k_wmi_tasklet on event notification
due to which the wmi_skb may be overwritten which leads to memory leak.
Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Even is someone else complete scanning in mac80211, apply rxon and
tx power settings if gets scan complete notification from hardware.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Replace IWL_DEBUG_{INFO,HC,RC} to IWL_DEBUG_SCAN in iwl-scan.c file. Add
some more IWL_DEBUG_SCAN messages. This will allow to fully debug
scanning using only IWL_DL_SCAN flag.
Also start one message sentence with capital letter, since that
convention in iwl-scan.c file.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Remove redundant checks and use iwl_is_ready_rf().
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Currently we force scan complete at the end of iwl_scan_cancel_timeout
function. This cause race condition when we can get a new scan request
from mac80211 and complete it by iwl_bg_complete from older scan. Change
code to force scan complete only when really needed: device goes down,
interface is removed or scan timeout occurs.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Assure we complete scan in mac80211 when we abort scanning (scan_abort
work) or scan timeout occurs (scan_check work). Currently
iwl_scan_cancel_timeout() procedure force scan finish in mac80211
at the end of timeout loop, so we can use it in proper work functions.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
If we do not get notification from hardware about scan complete, after
timeout do mac80211 scan completion anyway. This assure we end scan
in case of firmware hung.
Patch fix one of the causes of wdev_cleanup_work warning reported at
https://bugzilla.redhat.com/show_bug.cgi?id=593566
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Assure (partially) we call ieee80211_scan_completed() only once when
scan was requested from mac80211.
Code path that first clear STATUS_SCANNING bit is responsible to call
ieee80211_scan_completed(). Before the call, we check if mac80211
really request the scan.
Still persist some cases when we behave wrong, that will be addressed
in the next patches.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Since on timeout version of iwl_scan_cancel procedure we can sleep,
do not have to schedule abort_scan work to begin and perform scanning,
can do this directly. Also now, as we do not queue abort_scan from
restart work anymore, we can queue abort_scan to priv->workqueue.
Don't drop mutex when waiting for scan complete. Use STATUS_HW_SCAN bit
to check if scanning is currently pending, because STATUS_SCANNING will
be cleared only with priv->mutex taken.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
When we are not able to send abort command to firmware, notify mac80211
that we complete scan, as we will newer do it lately. Check for all
possible errors that low level sending command procedure does not check,
to assure we catch all failures cases.
Patch fix one of the causes of wdev_cleanup_work warning reported at
https://bugzilla.redhat.com/show_bug.cgi?id=593566
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Always cancel scan when stooping device and scan is currently pending,
we should newer have scan running after down device.
To assure we start scan cancel from restart work we have to schedule
abort_scan to different workqueue than priv->workqueue.
Patch fix not cancel scanning when restarting firmware, what is
one of the causes of wdev_cleanup_work warning (together with permanent
network connection lost) reported at
https://bugzilla.redhat.com/show_bug.cgi?id=593566
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Move the scan completed flags handling so that we
can notify mac80211 about aborted scans with the
correct status. Also queue the scan_completed work
before the BT status update so that it won't see
the bits still set (unless a new scan was started
in which case that's fine.)
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Rather than duplicating all the checks and even
in case of errors accepting the scan request
from mac80211, we can push the checks to the
caller and in all error cases reject the scan
request right away (rather than accepting and
then saying it was aborted).
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
There are a number of conf variables that are
unused, remove them.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Replace (sizeof(ofdm_level_table)/sizeof(ofdm_level_table[0]) with
ARRAY_SIZE(ofdm_level_table), and (sizeof(cck_level_table)/
sizeof(cck_level_table[0]) with ARRAY_SIZE(cck_level_table) in
drivers/net/wireless/ath/ath9k/ani.c
Signed-off-by: Nikitas Angelinas <nikitasangelinas@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Don't generate calibration errors messages when not needed.
Signed-off-by: Fabio Rossi <rossi.f@inwind.it>
Acked-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Fix a typo introduced in "rt2x00: Add helper function for reporting tx
status" that results in an oops in rt2x00lib_txdone.
Reported-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
We're handling both, the CSR_BEACON_DONE and the CSR_TWAKEUP interrupts
in rt61pci. However, these interrupts are masked out by default. Fix
this.
Found via pure code inspection.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
We don't use all available interrupts in rt2800pci. Mask out all unused
interrupts to avoid waking up without having anything to do.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Previously rt2x00 was always updating all erp related config variables
even though mac80211 might only have changed one. Hence, pass the
changed flags to the config_erp driver callback so that the driver
can limit the changes to the correct values.
This fixes an issue in AP mode where the beacon interval is not
initialized (and thus zero) but still sent to the hardware causing an
interrupt storm on rt2800pci hanging the system.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Since we're not using the AMPDU_BA_WINSIZE register to force the BlockAck
window size (we specify it in every TXWI) we should initialize it to 0.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The test if antenna diversity is at all enabled uses a local variable
'flags' to prepare the test condition, but uses 'ant->flags' when the test
is evaluated. The effect is that the diversity evaluation will never start.
I can see two solutions, use the 'flag' in the test condition or revert the
local flag change. My attached patch took alternative two.
Then the evaluation start but it will still not switch antenna. The problem
is a code section in rt2x00lib_config_antenna (). The effect of that code
section is that any change the diversity function perform will be
effectively shorten and no antenna selection command issued. The attached
patch will filter out any ANTENNA_SW_DIVERSITY setting but forward all
other
Signed-off-by: Lars Ericsson <lars_ericsson@telia.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
To reduce scan time, enable fastcc for AR7010
(fastcc == fast channel change -- JWL)
Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Do not maintain a persistent sdio_claim_host state. Instead,
claim host before doing IO and release host soon after.
This fixes several mmc deadlock scenarios, e.g. during
suspend/resume.
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Acked-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Default number of rx buffers will be divided equally
between allocated queues. This will decrease amount of
pre-allocated buffers on systems with multiple CPUs.
User can override this behavior with ethtool -G.
Minimum amount of rx buffers per queue set to 128.
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Empty received URBs are currently counted as errors but the device sends them
sometimes as part of regular traffic - so remove this check.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix that usb_string() return value is not checked for error (negative value).
Also change the ignore message a bit and lower its level to info.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Modifying an object twice without an intervening sequence point is
undefined.
Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Modifying an object twice without an intervening sequence point is
undefined.
Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch to adds support for PM hooks into sundance driver
Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Smatch complains because we check whether "pch->chan" is NULL and then
dereference it unconditionally on the next line. Partly the reason this
bug was introduced is because code was too complicated. I've simplified
it a little.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Clear the "start calib" flag only for new association,
The flag will be set in post_associate function to trigger
the runtime calibration. Set this flag to "0" will stop the
runtime sensitivity calibration
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
The iwl_adjust_beacon_interval function is a bit
of black magic, so add comments to it describing
what it does. Also, in the case when there's no
beacon interval set, program the default into
the device (instead of adjusting, which results
in the max) since using the max in that case
interacts badly with dual-mode/PAN parameters.
Also update the PAN parameters accordingly and
use the same constant as here.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
In dual-mode, a number of scenarios need to be
considered, and the firmware can be very picky
about them. Adjust the timing (most importantly
the beacon interval) according to the different
modes.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
When the PAN context is unused, there's no
need to continually update it in the device.
So track which contexts are active (with the
special case that the WLAN context is always
active ...) and only send their commands to
the device when needed.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Even driver use rts/cts protection mode for aggregation packets by default.
Allow the protection mode to be configure through debugfs
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
When the beacon interval needs to be changed,
all we need to do is send updated timing to
the device.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
When only the PAN side was active, we gave no
time to the WLAN context, which is OK unless
we are scanning, which always happens on the
WLAN context. Fix this.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
When sysassert happen, uCode will report the error code,
driver dump the information to dmesg. Here also remember
the last error code for future reference.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
The default LQ is filled decreasingly using
iwl_get_prev_ieee_rate from a starting rate.
Since the starting rate is already the lowest one for
a specific band it should be actually filled evenly with
the starting rate: 1M and 6M for 5.2GHZ and 2.4GH respectively.
The bug is that for for A or G-only it decreases to
CCK rates which are not supported.
iwl_get_prev_ieee_rate function is just not band aware.
This affects broadcast station which lq table
is not updated by rs algorithm
G-only scenario is not treated by this patch
iwl_get_prev_ieee_rate is removed completely as it
is not used in other contexts
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
This requires some reorganisation of channel setup and teardown to
ensure that we can always roll-back a failed change.
Based on work by Steve Hodgson <shodgson@solarflare.com>
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Allow the ring size to be specified in non
power-of-two sizes (for instance to limit
the amount of receive buffers).
- Automatically size the event queue.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This will allow for reallocation of channel structures and rings.
Change module parameter separate_tx_channels to be read-only, since we
now require its value to be constant.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In preparation for changes to the way channels and queue structures
are allocated, revise the macros and functions used to look up and
iterator over them.
- Replace efx_for_each_tx_queue() with iteration over channels then TX
queues
- Replace efx_for_each_rx_queue() with iteration over channels then RX
queues (with one exception, shortly to be removed)
- Introduce efx_get_{channel,rx_queue,tx_queue}() functions to look up
channels and queues by index
- Introduce efx_channel_get_{rx,tx}_queue() functions to look up a
channel's queues
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently we allocate DMA descriptor rings and event rings using
pci_alloc_consistent() which selects non-blocking behaviour from the
page allocator (GFP_ATOMIC). This is unnecessary, and since we
currently allocate a single contiguous block for each ring (up to 32
pages!) these allocations are likely to fail if there is any
significant memory pressure. Use dma_alloc_coherent() and GFP_KERNEL
instead.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
rx_over_errors appears to be intended as a count of packets that
overflow a packet buffer in the NIC. Given that we implement a
cut-through receive path, this should always be 0.
rx_dropped appears to be the correct counter for packets dropped due
to lack of host buffers.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Calculating rx_bad as rx_packets - rx_good is unnecessary and
incorrect, since rx_good does not include control frames (e.g.
pause frames) and rx_packets does.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Replace sizeof(bnx2x_parity_mask)/(sizeof(bnx2x_parity_mask[0]) with
ARRAY_SIZE(bnx2x_parity_mask) in drivers/net/bnx2x/bnx2x_main.c
Signed-off-by: Nikitas Angelinas <nikitasangelinas@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The 'wwan' devtype is meant for devices that require preconfiguration
and *every* time setup before the ethernet interface can be used, like
cellular modems which require a series of setup commands on serial ports
or other mechanisms before the ethernet interface will handle packets.
As ipheth only requires one-per-hotplug pairing setup with no
preconfiguration (like APN, phone #, etc) and the network interface is
usable at any time after that initial setup, remove the incorrect
devtype wwan.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove all the volatile keywords where they were used, switch to using the
proper readl/writel accessors.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Replace asm/io.h and asm/cpu.h wih linux/io.h and linux/cpu.h
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use pr_(info|err) and pr_cont where required instead of calls to printk.
Add missing pr_fmt to the driver.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
One line has not been changed because it would not improve readability.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes the following checkpatch.pl warnings:
- spaces after tabs
- space between function and arguments
- one-line statement braces
- tabs instead of spaces
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the net_device provided net_device_stats structure.
Remove ixgbevf_get_stats() now its not needed.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use netdev_alloc_skb_ip_align() helper and do correct allocation
Tested-by: Abraham Arce <x0066660@ti.com>
Signed-off-by: Abraham Arce <x0066660@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Chris Snook <chris.snook@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The VF has no flash and can only do memory mapped I/O.
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Reduce indentation in a couple of places
Add static function ixgbe_psum
Add temporary for adapter->stats
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Did not add #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
because no printk in this module used message prefixing.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Whitespace cleanups.
Move inline keyword after function type declarations.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The ordering of operations was messed up in the init and as a result when
VMDQ was enabled we were trying to enable TX rings before setting the VFTE
bits. This resulted in a ring that appeared to fail to enable when in fact
it was blocked because the VFTE bits were cleared after the reset.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Several users report issues with 32-bit adapters when plugged
into PCI slots in machines with >= 4GB ram. In particular AMD
systems with HyperTransport to PCI bridges seem to trigger the
issue, but it isn't limited to only them.
This issue is not easily reproducible here, yet still continues
to occur in the field. For e1000 on PCI devices, just disable DMA
addresses over the 4GB boundary when in PCI (not PCI-X) mode, to
prevent the issue from continuing to pop up. The performance
impact for this is negligible.
The code was refactored to move the init of the hw struct to its
own function. This allows the init to be called very early in
probe, which then allows using hw-> members for this fix.
A slight refactor to the DMA mask code was done for minor
correctness based on the instructions in DMA-API-HOWTO.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
niu_get_ethtool_tcam_all() assumes that its output buffer is the right
size, and warns before returning if it is not. However, the output
buffer size is under user control and ETHTOOL_GRXCLSRLALL is an
unprivileged ethtool command. Therefore this is at least a local
denial-of-service vulnerability.
Change it to check before writing each entry and to return an error if
the buffer is already full.
Compile-tested only.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch introduces cx82310_eth driver - driver for USB ethernet port of
ADSL routers based on Conexant CX82310 chips. Such routers usually have
ethernet port(s) too which are bridged together with the USB ethernet port,
allowing the USB-connected machine to communicate to the network (and also
internet through the ADSL, of course).
This is my first driver, so please check thoroughly. As there's no protocol
documentation, it was done with usbsnoop dumps from Windows driver, some
parts (the commands) inspired by cxacru driver and also other usbnet drivers.
The driver passed my testing - some real work and also pings sized from 0 to
65507 B.
The only problem I found is the ifconfig error counter. When I return 0 (or 1
but empty skb) from rx_fixup(), usbnet increases the error counter although
it's not an error condition (because packets can cross URB boundaries). Maybe
the usbnet should be fixed to allow rx_fixup() to return empty skbs (or some
other value, e.g. 2)?
The USB ID of my device is 0x0572:0xcb01 which conflicts with some ADSL modems
using cxacru driver (they probably use the same chipset but simpler
firmware). The modems seem to use bDeviceClass 0 and iProduct "ADSL USB
MODEM", my router uses bDeviceClass 255 and iProduct "USB NET CARD". The
driver matches only devices with class 255 and checks for the iProduct string
during init. I already posted a patch for the cxacru driver to ignore these
devices.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (26 commits)
pkt_sched: Fix lockdep warning on est_tree_lock in gen_estimator
ipvs: avoid oops for passive FTP
Revert "sky2: don't do GRO on second port"
gro: fix different skb headrooms
bridge: Clear INET control block of SKBs passed into ip_fragment().
3c59x: Remove incorrect locking; correct documented lock hierarchy
sky2: don't do GRO on second port
ipv4: minor fix about RPF in help of Kconfig
xfrm_user: avoid a warning with some compiler
net/sched/sch_hfsc.c: initialize parent's cl_cfmin properly in init_vf()
pxa168_eth: fix a mdiobus leak
net sched: fix kernel leak in act_police
vhost: stop worker only if created
MAINTAINERS: Add ehea driver as Supported
ath9k_hw: fix parsing of HT40 5 GHz CTLs
ath9k_hw: Fix EEPROM uncompress block reading on AR9003
wireless: register wiphy rfkill w/o holding cfg80211_mutex
netlink: Make NETLINK_USERSOCK work again.
irda: Correctly clean up self->ias_obj on irda_bind() failure.
wireless extensions: fix kernel heap content leak
...
It causes all kinds of DMA API debugging assertions and
all straight-forward attempts to fix it have failed.
So turn off SG, and we'll tackle making this work
properly in net-next-2.6
Reported-by: Dave Jones <davej@redhat.com>
Tested-by: Dave Jones <davej@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch is a simplified version of the original patch from James Courtier-Dutton.
>From: James Courtier-Dutton
>Subject: [PATCH] Fix b44 RX FIFO overflow recovery.
>Date: Wednesday, June 30, 2010 - 1:11 pm
>
>This patch improves the recovery after a RX FIFO overflow on the b44
>Ethernet NIC.
>Before it would do a complete chip reset, resulting is loss of link
>for a few seconds.
>This patch improves this to do recovery in about 20ms without loss of link.
>
>Signed off by: James@superbug.co.uk
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This fixes a bug introduced in commit
de84727214
"3c59x: Use fine-grained locks for MII and windowed register access".
vortex_interrupt() holds vp->window_lock over multiple register
accesses to reduce locking overhead. However it also needs to call
vortex_error() sometimes, and that uses the regular functions for
access to windowed registers, which will try to acquire window_lock
again.
Therefore, drop window_lock around the call to vortex_error() and set
the window afterward reacquiring the lock. Since vortex_error() may
call vortex_rx(), which *does* require its caller to hold window_lock,
lift that call up into vortex_interrupt(). This also removes the
potential for calling vortex_rx() on a later-generation NIC.
Reported-and-tested-by: Jens Schüßler <jgs@trash.net> [in Debian's 2.6.32]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
The time_before_eq()/time_after_eq() functions operate on unsigned
long and only work if the difference between the two compared values
is smaller than half the range of unsigned long (31 bits on i386).
Some of the variables (slave->jiffies, dev->trans_start, dev->last_rx)
used by bonding store a copy of jiffies and may not be updated for a
long time. With HZ=1000, time_before_eq()/time_after_eq() will start
giving bad results after ~25 days.
jiffies will never be before slave->jiffies, dev->trans_start,
dev->last_rx by more than possibly a couple ticks caused by preemption
of this code. This allows us to detect/prevent these overflows by
replacing time_before_eq()/time_after_eq() with time_in_range().
Signed-off-by: Jiri Bohac <jbohac@suse.cz>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
We cannot use spinlock when kmalloc is invoked with
GFP_KERNEL flag because it can sleep.
So this patch reviews the usage of spinlock within the
stmmac_resume function avoing this bug.
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Reported-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Use napi_gro_receive() and vlan_gro_receive()
- Enable GRO by default
Tested on a RTL8111/8168 adapter
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Note that the date format was fixed.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Change LED scheme for dual-media
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add required changes in order to support dual-media boards.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Group all PHY specific functions together to have an organized code
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make the needed changes for the new scheme especially around PHY
initialization, and link detection.
- The get_emac_base function was changed to enable setting different MAC
access setting for each PHY based of external configuration.
- As a part of the dual-media preparation, the save_spirom_version was
modified to accept a PHY specific version address to be saved in the
shmem. This will enable to save more than single spirom version in
different locations.
- The test_link function was changed also as a preparation for the
dual-media upcoming changes
- Duplicate initialization logic was removed from the
link_setting_status and link_initialize functions
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move all PHY specific logic from bnx2x_main into bnx2x_link.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Flow control implementation is split to be done in each PHY function.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In previous patch, common PHY functions were split in simple way to
allow easy diff. This patch comes to align code in the new functions.
In addition, the non-production BCM8072 PHY was removed.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move the code into PHY oriented functions, and for that a new structure
is defines for each PHY which contain PHY properties and its own
functions. This also enables to encapsulate all PHY specific operations
into the PHY functions. During initialization, the PHYs will be probed
by the "bnx2x_phy_probe" function to detect which PHYs exist on-board,
and configure them accordingly. Note that the ext_phy_reset
implementation was incorporated in the ext_phy_init since it is actually
part of the PHY initialization procedure.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Start building the infrastructure for dual media by adding new component
of PHY which will be used all along the function. Modify function to
work with this component instead of the link_params.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function has an unsigned return type, but returns a negative constant
to indicate an error condition. Another error condition in the same
function is indicated by returning 0, and indeed the only call to the
function checks for 0 to detect errors, so the return of a negative value
it converted to a return of 0.
A sematic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@exists@
identifier f;
constant C;
@@
unsigned f(...)
{ <+...
* return -C;
...+> }
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This adds an error message for the eeprom request failure
case. This way it's easier for the user to figure out
what went wrong.
Signed-off-by: Michael Büsch <mb@bu3sch.de>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
For AR9271 chips, if partial reset is done while scanning, the cycpwrThr1
will be set to maximum. This causes the degrade in DL throughput.
So restore the ANI registers to default during the partial reset.
Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
By enabling fastcc, the scan time reduced to half.
Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This algorithm chooses the best main and alt lna out of
LNA1, LNA2, LNA1+LNA2 and LNA1-LNA2 to improve rx for single
chain chips(AR9285). This would greatly improve rx when there
is only one antenna is connected with AR9285.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This is enabled only for ar9285.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Make read/only data structures const. Compile tested only.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Make the startup and other data parameters that are read/only
const. Compile tested only.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The values didn't match the title after removing the LRO
statistics in commit fa37a9586f
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
If failed to get skb frags using napi_get_frags(),
the packet is dropped.
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
The CHELSIO_T1_1G ifdef isn't necessary at this point, because it is
checked in an outer ifdef level already and has no effect here.
Signed-off-by: Christian Dietrich <qy03fugy@stud.informatik.uni-erlangen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
Convert jeprintk to pr_err
Remove jeprintk macro define
Remove periods from end of logging messages
Coalesce format strings
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
bnad_set_rx_mode omit to unlock bna_lock on one fail path. Fix that.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Debashis Dutt <ddutt@brocade.com>
Cc: Rasesh Mody <rmody@brocade.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
In this case, a device_node structure is stored in another structure that
is then freed without first decrementing the reference count of the
device_node structure.
The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r exists@
expression x;
identifier f;
position p1,p2;
@@
x@p1->f = \(of_find_node_by_path\|of_find_node_by_name\|of_find_node_by_phandle\|of_get_parent\|of_get_next_parent\|of_get_next_child\|of_find_compatible_node\|of_match_node\|of_find_node_by_type\|of_find_node_with_property\|of_find_matching_node\|of_parse_phandle\|of_node_get\)(...);
... when != of_node_put(x)
kfree@p2(x)
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
cocci.print_main("call",p1)
cocci.print_secs("free",p2)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add an entry to the MAINTAINERS file for ibmveth, clean up the copyright
and add all authors. Change the name of the module to reflect the product name
over the last number of years.
Considering all the changes we have made, bump the driver version.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These files probably came across from the skeleton driver. Remove them.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We had a driver specific assert function which wasn't enabled most of the
time. Convert them to BUG_ON and enable them all the time.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We had a few cases where we returned success on error.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix most of the kernel coding style issues in ibmveth.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
IbmVethNumBufferPools -> IBMVETH_NUM_BUFF_POOLS
Also change IBMVETH_MAX_MTU -> IBMVETH_MIN_MTU, it refers to the minimum
size not the maximum.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use netdev_err to standardise the error output.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use netdev_dbg to standardise the debug output.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These functions appear before their use, so we can remove the redundant
prototypes.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We were using alloc_skb which doesn't create any headroom. Change it to
use netdev_alloc_skb to match most other drivers.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We export all the driver specific statistics via ethtool, so there is no need
to duplicate this in procfs.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch enables TCP checksum offload support for IPv6 on ibmveth.
This completely eliminates the generation and checking of the checksum
for IPv6 packets that are completely virtual and never touch a physical
network. A basic TCPIPV6_STREAM netperf run showed a ~30% throughput
improvement when an MTU of 64000 was used.
This featured is enabled by default, as is the case for IPv4 checksum
offload. When checksum offload is enabled the driver will negotiate
IPv4 and IPv6 offload with the firmware separately and enable what
is available. As long as either IPv4 or IPv6 offload is supported
and enabled the device will report that checksum offload is enabled.
The device stats, available through ethtool, will display which
checksum offload features are supported/enabled by firmware.
Performance testing against a stock kernel shows no regression for IPv4
or IPv6 in terms of throughput or processor utilization with checksum
disabled or enabled.
Signed-off-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove code in the device probe function where we set up the checksum
offload feature and replace it with a call to an existing function that
is doing the same. This is done to clean up the driver in preparation
of adding IPv6 checksum offload support.
Signed-off-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On some machines we can improve the bandwidth by ensuring rx buffers are
not in the cache. Add a module option that is disabled by default that flushes
rx buffers on insertion.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ibmveth can scatter gather up to 6 segments. If we go over this then
we have no option but to call skb_linearize, like other drivers with
similar limitations do.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We want to order the read in ibmveth_rxq_pending_buffer and the read of
ibmveth_rxq_buffer_valid which are both cacheable memory. smp_rmb() is good
enough for this.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For small packets, create a new skb and copy the packet into it so we
avoid tearing down and creating a TCE entry.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the existing bounce buffer if we send a buffer under a certain size.
This saves the overhead of a TCE map/unmap.
I can't see any reason for the wmb() in the bounce buffer case, if we need
a barrier it will be before we call h_send_logical_lan but we have
nothing in the common case. Remove it.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The ibmveth adapter needs locking in the transmit routine to protect
the bounce_buffer but it sets LLTX and forgets to add any of its own
locking.
Just remove the deprecated LLTX option. Remove the stats lock in the process.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
At the moment we try and replenish the receive ring on every rx interrupt.
We even have a pool->threshold but aren't using it.
To limit the maximum latency incurred when refilling, change the threshold
from 1/2 to 7/8 and reduce the largest rx pool from 768 buffers to 512 which
should be more than enough.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Replace some modulus operators with an increment and compare to avoid
an integer divide.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Change several wan drivers to make strings and other initialize
only parameters const.
Compile tested only (with no new warnings)
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While porting GRO to r8169, I found this driver has a bug in its rx
path.
All skbs given to network stack had their ip_summed set to
CHECKSUM_NONE, while hardware said they had correct TCP/UDP checksums.
The reason is driver sets skb->ip_summed on the original skb before the
copy eventually done by copybreak. The fresh skb gets the ip_summed =
CHECKSUM_NONE value, forcing network stack to recompute checksum, and
preventing my GRO patch to work.
Fix is to make the ip_summed setting after skb copy.
Note : rx_copybreak current value is 16383, so all frames are copied...
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In uCode, BT state machine need to receive open envlope
command before perform calibration; followed by close envlope
command to move to next stage.
Since Linux has two separated uCode, one for init and the second
one for runtime; we use open envlope commands for init uCode to
indicate we are ready to perform calibration operation.
But for runtime uCode, we are not doing any init calibration,
so we issue open/close envlope commands to force uCode move to
"BT COEX ON" state.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Don't call flush_workqueue() on the cxgb3 Work Queue in cxgb_down() when
we're being called from the fatal error task ... which is executing on the
cxgb3 Work Queue.
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Platform code needs to deal with them now.
Signed-off-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Async notifications other than link status are possible in certain
configurations. Remove the BUG_ON in the mcc completion processing path.
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The ONLINE registers can return 0xFFFFFFFF on more than one
occassion. On systems that care, reading these registers could
lead to problems.
So the new code decides that the ASIC has encountered and error
by reading the UE_STATUS_LOW/HIGH registers. AND them with
the mask values and a non-zero result indicates an error.
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Wrong packet statistics for multicast Rx was causing net-snmp error messages
every 15 seconds. Instead of picking the multicast stats from hardware,
now maintain it in the driver itself.
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
struct tulip_private is a bit large (order-1 allocation even on 32bit
arch), try to shrink it, remove its net_device_stats field.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
fresh skbs have ip_summed set to CHECKSUM_NONE (0)
We can avoid setting again skb->ip_summed to CHECKSUM_NONE in drivers.
Introduce skb_checksum_none_assert() helper so that we keep this
assertion documented in driver sources.
Change most occurrences of :
skb->ip_summed = CHECKSUM_NONE;
by :
skb_checksum_none_assert(skb);
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
get_stats() method incorrectly clears a global array before folding
various stats. This can break SNMP applications.
Switch to 64 bit flavor to work on a user supplied buffer, and provide
64bit counters even on 32bit arches.
Fix a bug in bnad_netdev_hwstats_fill(), for rx_fifo_errors, missing a
folding (only the last counter was taken into account)
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Rasesh Mody <rmody@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This reverts commit de6be6c1f7.
After some discussion with Jarek Poplawski and Eric Dumazet, we've
decided that this change is incorrect.
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a dma_addr_t 64-bit case for powerpc with 64-bit phys addresses.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
vortex_ioctl() was grabbing vortex_private::lock around its call to
generic_mii_ioctl(). This is no longer necessary since there are more
specific locks which the mdio_{read,write}() functions will obtain.
Worse, those functions do not save and restore IRQ flags when locking
the MII state, so interrupts will be enabled when generic_mii_ioctl()
returns.
Since there is currently no need for any function to call
mdio_{read,write}() while holding another spinlock, do not change them
to save and restore IRQ flags but remove the specification of ordering
between vortex_private::lock and vortex_private::mii_lock.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
There's something very important I forgot to tell you.
What?
Don't cross the GRO streams.
Why?
It would be bad.
I'm fuzzy on the whole good/bad thing. What do you mean, "bad"?
Try to imagine all the Internet as you know it stopping instantaneously
and every bit in every packet swapping at the speed of light.
Total packet reordering.
Right. That's bad. Okay. All right. Important safety tip. Thanks, Hubert
The simplest way to stop this is just avoid doing GRO on the second port.
Very few Marvell boards support two ports per ring, and GRO is just
an optimization.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove duplicated #include('s) in
drivers/net/pxa168_eth.c
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
mdiobus resources must be released on exit
Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org>
Acked-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- napi_gro_flush() is exported from net/core/dev.c, to avoid
an irq_save/irq_restore in the packet receive path.
- use napi_gro_receive() instead of netif_receive_skb()
- use napi_gro_flush() before calling __napi_complete()
- turn on NETIF_F_GRO by default
- Tested on a Marvell 88E8001 Gigabit NIC
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a call to of_node_put in the error handling code following a call to
of_find_matching_node.
This patch also moves the existing call to of_node_put after the call to
iounmap in the error handling code, to make it possible to jump to
of_node_put without doing iounmap. These appear to be disjoint operations,
so the ordering doesn't matter.
This patch furthermore changes the -ENODEV result in the error handling
code for of_find_matching_node to a return of 0, as found in the error
handling code for of_iomap, because the return type of the function is
unsigned.
The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r exists@
local idexpression x;
expression E,E1,E2;
statement S;
@@
*x =
(of_find_node_by_path
|of_find_node_by_name
|of_find_node_by_phandle
|of_get_parent
|of_get_next_parent
|of_get_next_child
|of_find_compatible_node
|of_match_node
|of_find_node_by_type
|of_find_node_with_property
|of_find_matching_node
|of_parse_phandle
)(...);
...
if (x == NULL) S
<... when != x = E
*if (...) {
... when != of_node_put(x)
when != if (...) { ... of_node_put(x); ... }
(
return <+...x...+>;
|
* return ...;
)
}
...>
(
E2 = x;
|
of_node_put(x);
)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use helper routine to disable chip interrupts.
Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Update version to 1.52.53-5
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add BCM84823 to the supported PHYs
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Change 848xx LED configuration according to the new microcode (Boards
were shipped with only with the new microcode)
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove unneeded setting of XAUI low power to BCM8727. This was required
only in older microcode which is not in the field.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Change BCM848xx behavior to fit IEEE such that setting 10Mb/100Mb will
use force speed, and setting 1Gb/10Gb will use auto-negotiation with the
specific speed advertised
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Reset link before any new link settings to avoid potential link issue
caused by previous link settings
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In BCM8727 based boards, setting default 10G link speed after link was
set to 1G may lead to link down issue. The problem was setting the right
value, but to the wrong registers
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix potential link issue caused by insufficient delay time during SPIROM
load of BCM8073/BCM8727
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o New CKSUM flag added by fw to notify cksum is verified.
o Update version to 5.0.9
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Hypervisor allows, two VM's interfaces to have same mac address.
These VM's interfaces get differentiate with Vlan tag.
This patch add support to learn and configure mac+vlan filter on device.
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Device eswitch need to configure with VM's mac address.
Hypervisor doesn't provide any utility/callbacks to get VM's mac address.
Unicast mac address filter improves performance and also provide
packet loopback capability i.e communication between VM.
Above features is by default off, can be turned on with module parameter
'mac_learn'.
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o Rename mac_learning to mac_override
o Added check in set_mac to return error if mac override is disabled.
o Disabling mac_override only supported for Non priviledged functions.
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o skb->mac_header is not set, so machine panics while using function eth_hdr.
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o Allow enabling/disabling mac anti spoof policy only for
Non privilege functions.
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o Default eswitch config was set, even before eswitch capabilty get detected.
As a result setting default config was getting fail.
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o Mac addr was read from flash for every fw reset
for Non-priviledge function.It should be read only once.
o Remove unnecessary get_mac_addr callback
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o ethtool reg version bumped to 2
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o Backing out "firmware initialization update" changes, commit-id
"d4066833bb1b35fefb1dd45eb2b10659d46bf151".
o fix heartbit spelling, it should be heartbeat
Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/stmmac/dwmac100_core.c: In function 'dwmac100_dump_mac_regs':
drivers/net/stmmac/dwmac100_core.c:47: warning: cast from pointer to integer of different size
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
The 5 GHz CTL indexes were not being read for all hardware
devices due to the masking out through the CTL_MODE_M mask
being one bit too short. Without this the calibrated regulatory
maximum values were not being picked up when devices operate
on 5 GHz in HT40 mode. The final output power used for Atheros
devices is the minimum between the calibrated CTL values and
what CRDA provides.
Cc: stable@kernel.org [2.6.27+]
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The EEPROM is compressed on AR9003, upon decompression
the wrong upper limit was being used for the block which
prevented the 5 GHz CTL indexes from being used, which are
stored towards the end of the EEPROM block. This fix allows
the actual intended regulatory limits to be used on AR9003
hardware.
Cc: stable@kernel.org [2.6.36+]
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
rt2x00usb_watchdog_reset_tx performs the same task
as rt2x00usb_kill_tx_queue, with the only difference
is that it waits for all entries to be returned to
the driver and for all frames the status has been
reported to mac80211.
We can easily split this task by calling rt2x00usb_kill_tx_queue,
sleep for a short period and invoke the TX status reporting
function. By adding the sleep() to the kill_entry we make sure
that even during shutdown we guarentee the entry has been killed when
the function returns. To make this work correctly the interrupt
handlers have to be updated to prevent checking for the RADIO_ENABLED
flag too early which prevents the ownership of the entry to be reset.
Additionally a check for the DEVICE_PRESENT flag is not required but
is nice to prevent race conditions when the device was unplugged.
Additionally rather then calling rt2x00usb_work_txdone() for
status reporting we let the driver perform the TX status reporting
first. If this is not sufficient then rt2x00usb_work_txdone() will
still be used to cleanup the mess.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The watchdog for rt2800usb triggers frequently causing all URB's
to be canceled often enough to interrupt the normal TX flow.
More research indicated that not the URB upload to the USB host
were hanging, but instead the TX status reports.
To correctly detect what is going on, we introduce Q_INDEX_DMA_DONE
which is an index counter between Q_INDEX_DONE and Q_INDEX and indicates
if the frame has been transfered to the device.
This also requires the rt2x00queue timeout functions to be updated
to differentiate between a DMA timeout (time between Q_INDEX and
Q_INDEX_DMA_DONE timeout) and a STATUS timeout (time between
Q_INDEX_DMA_DONE and Q_INDEX_DONE timeout)
All Q_INDEX_DMA_DONE code was taken from the RFC from
Helmut Schaa <helmut.schaa@googlemail.com> for the implementation
for watchdog for rt2800pci.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
USB devices upload their beacon and then automatically send
it out every beacon interval. However when killing a TX queue
we only kill the URB and not the actual transmission of the beacon.
This will reset the Beacon register to prevent any beacons from
being transmitted.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Add PWR_PIN_CFG initialization for rt2800usb at the same point
as rt2800pci.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
When configuring the MAC_ADDR or MAC_BSSID with an empty address,
the UNICAST_TO_ME_MASK and BSS_ID_MASK must also be reset to prevent
invalid interpretation of the addresses.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
According to the legacy drivers the AUTOWAKEUP_CFG
register must be reset to 0 before loading the firmware.
Instead of during rt2800{pci,usb}_write_firmware it
must actually be done in rt2800_load_firmware() before
resetting the WPDMA_GLO_CFG and PWR_PIN_CFG registers.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Instead of printing a warning when the PID, ACK, or WCID of
an entry don't match the TX status report, we should skip the
entry to search for the entry which actually does match
the TX status data.
This reduces the number of watchdog errors on the TX queues
for rt2800usb, and seems to improve the reliability of the
TX flow a bit.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Similar to rt2800_wait_wpdma_ready() we can add a
function to waiting until the CSR is ready. This
centralizes some additional code into rt2800lib.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Variables containing queue ids are called qid everywhere else, hence
rename the queue field in txentry_desc to qid as well.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
According to the hardware documentation, the MIC failure bit is only
valid if the frame was decrypted using a valid TKIP key and is not a
fragment.
In some setups I've seen hardware-reported MIC failures on an AP that
was configured for CCMP only, so it's clear that additional checks are
necessary.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch was adapted from 06f7bc7db7
(from linus's linux-2.6 tree of kernel.org)
here's the original message:
The queue stopping/waking functionality was broken in a way that could
cause huge latencies in TX transfers and even cause the TX to stall in the
right circumstances. Correct these problems.
Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@no-log.org>
Acked-by: Kalle Valo <kvalo@adurom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
In file included from drivers/net/stmmac/stmmac_ethtool.c:30:
drivers/net/stmmac/stmmac.h:111: warning: 'struct platform_device' declared inside parameter list
drivers/net/stmmac/stmmac.h:111: warning: its scope is only this definition or declaration, which is probably not what you want
drivers/net/stmmac/stmmac_main.c: In function 'stmmac_dvr_probe':
drivers/net/stmmac/stmmac_main.c:1744: warning: cast from pointer to integer of different size
In file included from drivers/net/stmmac/stmmac_mdio.c:31:
drivers/net/stmmac/stmmac.h:111: warning: 'struct platform_device' declared inside parameter list
drivers/net/stmmac/stmmac.h:111: warning: its scope is only this definition or declaration, which is probably not what you want
drivers/net/stmmac/dwmac1000_core.c: In function 'dwmac1000_dump_regs':
drivers/net/stmmac/dwmac1000_core.c:56: warning: cast from pointer to integer of different size
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
resource_size_t changed from `unsigned long' to `phys_addr_t`, which is either
`u32' or `u64'.
Print the whole resource to remove the cast and to make it future-proof.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael reported that p54* never really entered power
save mode, even tough it was enabled.
It turned out that upon a power save mode change the
firmware will set a special flag onto the last outgoing
frame tx status (which in this case is almost always the
designated PSM nullfunc frame). This flag confused the
driver; It erroneously reported transmission failures
to the stack, which then generated the next nullfunc.
and so on...
Cc: <stable@kernel.org>
Reported-by: Michael Buesch <mb@bu3sch.de>
Tested-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This avoids a NULL pointer dereference as reported here:
https://bugzilla.redhat.com/show_bug.cgi?id=625889
When the WARN condition is hit in ieee80211_get_tx_rate, it will return
NULL. So, we need to check the return value and avoid dereferencing it
in that case.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cc: stable@kernel.org
Acked-by: Bob Copeland <me@bobcopeland.com>
pcnet_cs:
add new_id: "KENTRONICS KEP-230" 10Base-T PCMCIA card.
Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
The nic_type field is compared to athr_l2c twice.
The sematic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@expression@
expression E;
@@
(
* E
|| ... || E
|
* E
&& ... && E
)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
net/ipv4: Eliminate kstrdup memory leak
net/caif/cfrfml.c: use asm/unaligned.h
ax25: missplaced sock_put(sk)
qlge: reset the chip before freeing the buffers
l2tp: test for ethernet header in l2tp_eth_dev_recv()
tcp: select(writefds) don't hang up when a peer close connection
tcp: fix three tcp sysctls tuning
tcp: Combat per-cpu skew in orphan tests.
pxa168_eth: silence gcc warnings
pxa168_eth: update call to phy_mii_ioctl()
pxa168_eth: fix error handling in prope
pxa168_eth: remove unneeded null check
phylib: Fix race between returning phydev and calling adjust_link
caif-driver: add HAS_DMA dependency
3c59x: Fix deadlock between boomerang_interrupt and boomerang_start_tx
qlcnic: fix poll implementation
netxen: fix poll implementation
bridge: netfilter: fix a memory leak
Detect size mismatch for netdrv_addr_t at build time rather than
checking at module load time.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Ion Badulescu <ionut@badula.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Ion Badulescu <ionut@badula.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Replace loops calling set_bit() and clear_bit() with bitmap_set() and
bitmap_clear().
Unlike loops calling set_bit() and clear_bit(), bitmap_set() and
bitmap_clear() are not atomic. But this is ok.
Because the bitmap operations are protected by bitmap->lock
except for initialization of the bitmap in mlx4_bitmap_init().
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Roland Dreier <rolandd@cisco.com>
Cc: netdev@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use net_device->stats for stats instead of private variable copies in
struct slip. Use ndo_get_stat64 so the additions can be performed on a private
destination buffer.
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add the trivial support for runtime interface
type changes to mac80211_hwsim for testing.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
While scanning, ANI is triggered unnecessarily where sta is in
unassociated state. And cancelling ani work in ath9k_htc_stop
is not required.
Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
With the scan callback now being callable from
any context, these unlocks/locks can go away.
This makes the code easier to understand, since
callers of these functions must no longer be
aware that the mutex may be dropped.
As Stanislaw is working on iwlwifi scanning, I
didn't change it to take advantage of the new
mac80211 semantics.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
All major Atheros customers require the led to be in continuous
ON state rather than the blinking pattern.
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
If the symbol offset is 46, it will be counted in both
the third and fourth bytes of the mask, and in this
case the shift will be negative which can pollute
high order bits in the mask. This may negatively impact
OFDM symbol detection.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
There was a small misordering here. In the original code, if we were to
go to err_free_ah then it wouldn't free the irq.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The commit 886275ce41 (param: lock
if_sdio's lbs_helper_name and lbs_fw_name against sysfs changes)
introduced new fields into the if_sdio_card structure. It caused
missalignment of the if_sdio_card.buffer field and failure at driver
load time:
~# modprobe libertas_sdio
[ 62.315124] libertas_sdio: Libertas SDIO driver
[ 62.319976] libertas_sdio: Copyright Pierre Ossman
[ 63.020629] DMA misaligned error with device 48
[ 63.025207] mmci-omap-hs mmci-omap-hs.1: unexpected dma status 800
[ 66.005035] libertas: command 0x0003 timed out
[ 66.009826] libertas: Timeout submitting command 0x0003
[ 66.016296] libertas: PREP_CMD: command 0x0003 failed: -110
Adding explicit alignment attribute for the if_sdio_card.buffer field
fixes this problem.
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
We're now ready to start using multiple contexts.
We do this by keeping track of the valid interface
types per context (exclusive [ibss] and normal)
and checking which context is "free" when a new
interface is added.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
