| Commit message (Collapse) | Author | Age | Files | Lines |
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endian
cpu_to_le64 when calculating the physical dma address. This will properly
handle endianess on big endian systems. The return value of this function
was changed from dma_addr_t to __le64. Remove the typecasting of u32 when
setting the SenseBufferLowAddress, since its already in __le32 format.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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loss,SCSI_MLQUEUE_DEVICE_BUSY if device is busy
1 Its observed that the OS was sending request to the driver after it had been
put into blocking state, so the driver was modified to return
SCSI_MLQUEUE_DEVICE_BUSY.
2. Driver will return DID_TRANSPORT_DISRUPTED when sdev is haivng nexus loss.
This occurrs when sdev is blocked, between the
MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING and
MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING events.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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READY state
The driver needs to retrieve the ioc facts prior to putting the controller
into READY state. The current design is calling ioc facts after putting the
controller into READY state, which means the driver is sending a diag reset
instead of message unit reset becuase the capability information is not yet
available.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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(1) for the MPI2_EVENT_IR_OPERATION_STATUS event, add support to print
"background init" or "make data consistent" for debugging purposes. If the
RAIDOperation is set to a value not defined, then don't print anything
(2) for the MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE event, add support to print
"expander reduced functionality" and "expander reduced functionality
complete", which are new events.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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part of volume
Added sanity check in _scsih_change_queue_depth to limit the max_depth to 32
for SATA devices. This is only for physical devices not part of a volume.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Added support to set the TimeStamp when sending ioc_init.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Added tests for registry entries of EXBuffSize, EXImmed, and EXType to
support the new Extended diag buffer type. Modified code where necessary to
handle the new ExtendedType field in the F/W diagnostic Post and Release
messages.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Added command line option diag_buffer_enable. When the command line option is
set, the driver will automatically post diag buffers at driver load time.
The command line option diag_buffer_enable is bitwise, so it's possible to
enable both and/or snapshot + trace buffers. For trace, the driver will
allocate 1MB buffer, whereas for snapshot its 2MB. The purpose for this is
so the enduser doesn't have to manually use an application to setup diag
buffers for debugging firmware related issues.
Here is some examples
trace:
# insmod mpt2sas.ko diag_buffer_enable=1
snapshot:
# insmod mpt2sas.ko diag_buffer_enable=2
both trace and snapshot:
# insmod mpt2sas.ko diag_buffer_enable=3
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Fixed some of the comments sections for some of the function so "@ioc:
pointer to scsi command object" was changed to "@ioc: per adapter object"
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Added command line option and shost sysfs attribute called
mpt2sas_fwfault_debug. When enduser writes a "1" to this parameter, this
will enable support in the driver for debugging firmware timeout related
issues. This handling was added in three areas (a) scsi error handling
callback called task_abort, (b) IOCTL interface, and (c) other timeouts that
result in diag resets, such as manufacturing config pages. When this
support is enabled, the driver will provide dump_stack to console, halt
controller firmware, and panic driver. The end user probably would want to
setup serial console redirection so the dump stack can be seen.
Here are the three methods for enable this support:
(a) # insmod mpt2sas.ko mpt2sas_fwfault_debug=1
(b) # echo 1 > /sys/module/mpt2sas/parameters/mpt2sas_fwfault_debug
(c) # echo 1 > /sys/class/scsi_host/host#/fwfault_debug (where # is
the host number)
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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The new headers contain the following changes:
(1) Added IO Unit Page 7.
(2) Added new device ids for SAS2208.
(3) Added SAS IO Unit Page 5.
(4) Added partial and slumber power management capable flags to SAS Device
Page 0 Flags field.
(5) Added PhyInfo defines for power condition.
(6) Added Ethernet configuration pages.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Added device ids range for { 0x80 - 87 } , modified mpi/mpi2_cnfg.h containing
MPI2_MFGPAGE_DEVID_SAS2208_X.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Add support in the driver to check for valid response info in the scsi
state, then check to see if the response code is
MPI2_SCSITASKMGMT_RSP_INVALID_FRAME; when this condition occurrs, the driver
will return DID_SOFT_ERROR. A return code of DID_SOFT_ERROR will result in
a retry at the scsi-mid layer level. An additional change added to obtain
the response code from the 1st byte of the response info instead of last.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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add.
This handles the case where driver receives a expander removal event while
it is in the middle of processing an expander add event. The existing
implementation will stop processing futher device adds when a expander
delete arrives on top of add expander add. Due to a sanity check in the
driver, the devices there were not added, were never handshaked to firmware
with the device removal handshake protocal. Since the driver didnt' do the
handshake, the controller never provide further add events. To fix this
issue, the sanity check was removed so the driver will always do the device
removal handshake protocal.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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The device driver was not handling updating device handles in all cases
across diag resets. To fix this issue, the driver is converted to using sas
address instead of handle as a lookup reference to the parent expander or
sas_host. Also, for both expanders and sas host, the phy handle will be one
unique handle. In the sas host case, the phy handle can be different for
every phy, so the change is to set the handle to the handle of the first
phy; every phy will be one single sas address(phy 0) instead of a different
sas address for every phy(previous implementation). So making one consistent
sas address for all the direct attachedports to the sas host, will make it
better user experience when using udev /dev/disk/by-path dev nodes
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6:
ide: Serialize CMD643 and CMD646 to fix a hardware bug with SSD
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CMD646 corrupts data on concurrent transfers on both channels when IDE SSD is
connected to one of the channels.
Setup that demonstrates this hardware bug: Ultra 5, onboard CMD646, rev 3.
/dev/hda is 8GB Seagate ST38410A in MWDMA2
/dev/hdd is 32GB SSD SiliconHardDisk in MWDMA2
- When reading /dev/hdd (for example with dd or fsck), reads from /dev/hda
are corrupted, there are twiddled single bits 1->0 and some full 32-bit
words corrupted, sometimes commands fail (which switches /dev/hda to
PIO mode but the corruptions happen even in PIO).
- Reads from /dev/hdd don't seem to be corrupted (i.e. fsck passes fine).
- When I connected normal rotating harddisk to /dev/hdd, there was no
corruption, so the corruption is something specific to SSD.
- I tried the same setup on a PCI card with CMD649 and saw no corruption.
This patch serializes the operation for CMD646 and 643 (I didn't test
CMD643 but it may have the same hw bug too because it's earlier design).
CMD649 is good. I don't know anything about CMD 648.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Tested-by: Frans Pop <elendil@planet.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (43 commits)
net: Fix 'Re: PACKET_TX_RING: packet size is too long'
netdev: usb: dm9601.c can drive a device not supported yet, add support for it
qlge: Fix firmware mailbox command timeout.
qlge: Fix EEH handling.
AF_RAW: Augment raw_send_hdrinc to expand skb to fit iphdr->ihl (v2)
bonding: fix a race condition in calls to slave MII ioctls
virtio-net: fix data corruption with OOM
sfc: Set ip_summed correctly for page buffers passed to GRO
cnic: Fix L2CTX_STATUSB_NUM offset in context memory.
MAINTAINERS: rt2x00 list is moderated
airo: Reorder tests, check bounds before element
mac80211: fix for incorrect sequence number on hostapd injected frames
libertas spi: fix sparse errors
mac80211: trivial: fix spelling in mesh_hwmp
cfg80211: sme: deauthenticate on assoc failure
mac80211: keep auth state when assoc fails
mac80211: fix ibss joining
b43: add 'struct b43_wl' missing declaration
b43: Fix Bugzilla #14181 and the bug from the previous 'fix'
rt2x00: Fix crypto in TX frame for rt2800usb
...
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Currently PACKET_TX_RING forces certain amount of every frame to remain
unused. This probably originates from an early version of the
PACKET_TX_RING patch that in fact used the extra space when the (since
removed) CONFIG_PACKET_MMAP_ZERO_COPY option was enabled. The current
code does not make any use of this extra space.
This patch removes the extra space reservation and lets userspace make
use of the full frame size.
Signed-off-by: Gabor Gombas <gombasg@sztaki.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I found that the current version of drivers/net/usb/dm9601.c can be used to
successfully drive a low-power, low-cost network adapter with USB ID
0a46:9000, based on a DM9000E chipset. As no device with this ID is yet
present in the kernel, I have created a patch that adds support for the device
to the dm9601 driver.
Created and tested against linux-2.6.32-rc5.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mailbox command process would only process a maximum of 5 unrelated
firmware events while waiting for it's command completion status.
It should process an unlimited number of events while waiting for a maximum of 5 seconds.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Clean up driver resources without touch the hardware. Add pci
save/restore state.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Augment raw_send_hdrinc to correct for incorrect ip header length values
A series of oopses was reported to me recently. Apparently when using AF_RAW
sockets to send data to peers that were reachable via ipsec encapsulation,
people could panic or BUG halt their systems.
I've tracked the problem down to user space sending an invalid ip header over an
AF_RAW socket with IP_HDRINCL set to 1.
Basically what happens is that userspace sends down an ip frame that includes
only the header (no data), but sets the ip header ihl value to a large number,
one that is larger than the total amount of data passed to the sendmsg call. In
raw_send_hdrincl, we allocate an skb based on the size of the data in the msghdr
that was passed in, but assume the data is all valid. Later during ipsec
encapsulation, xfrm4_tranport_output moves the entire frame back in the skbuff
to provide headroom for the ipsec headers. During this operation, the
skb->transport_header is repointed to a spot computed by
skb->network_header + the ip header length (ihl). Since so little data was
passed in relative to the value of ihl provided by the raw socket, we point
transport header to an unknown location, resulting in various crashes.
This fix for this is pretty straightforward, simply validate the value of of
iph->ihl when sending over a raw socket. If (iph->ihl*4U) > user data buffer
size, drop the frame and return -EINVAL. I just confirmed this fixes the
reported crashes.
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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Cc: users@rt2x00.serialmonkey.com
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Test whether index is within bounds before reading the element
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When hostapd injects a frame, e.g. an authentication or association
response, mac80211 looks for a suitable access point virtual interface
to associate the frame with based on its source address. This makes it
possible e.g. to correctly assign sequence numbers to the frames.
A small typo in the ethernet address comparison statement caused a
failure to find a suitable ap interface. Sequence numbers on such
frames where therefore left unassigned causing some clients
(especially windows-based 11b/g clients) to reject them and fail to
authenticate or associate with the access point. This patch fixes the
typo in the address comparison statement.
Signed-off-by: Björn Smedman <bjorn.smedman@venatech.se>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This fixes the following sparse warnings:
$ make modules SUBDIRS=drivers/net/wireless/libertas C=1 CF=-D__CHECK_ENDIAN__
make: Entering directory `/usr/src/linux-wl'
CHECK drivers/net/wireless/libertas/if_spi.c
drivers/net/wireless/libertas/if_spi.c:137:16: warning: incorrect type in initializer (different base types)
drivers/net/wireless/libertas/if_spi.c:137:16: expected unsigned short [unsigned] [usertype] reg_out
drivers/net/wireless/libertas/if_spi.c:137:16: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:191:16: warning: incorrect type in initializer (different base types)
drivers/net/wireless/libertas/if_spi.c:191:16: expected unsigned short [unsigned] [usertype] reg_out
drivers/net/wireless/libertas/if_spi.c:191:16: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:256:24: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/libertas/if_spi.c:256:24: expected restricted __le32 const [usertype] *p
drivers/net/wireless/libertas/if_spi.c:256:24: got unsigned int *<noident>
drivers/net/wireless/libertas/if_spi.c:243:24: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/libertas/if_spi.c:243:24: expected restricted __le16 const [usertype] *p
drivers/net/wireless/libertas/if_spi.c:243:24: got unsigned short *<noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:243:24: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/libertas/if_spi.c:243:24: expected restricted __le16 const [usertype] *p
drivers/net/wireless/libertas/if_spi.c:243:24: got unsigned short *<noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:243:24: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/libertas/if_spi.c:243:24: expected restricted __le16 const [usertype] *p
drivers/net/wireless/libertas/if_spi.c:243:24: got unsigned short *<noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:243:24: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/libertas/if_spi.c:243:24: expected restricted __le16 const [usertype] *p
drivers/net/wireless/libertas/if_spi.c:243:24: got unsigned short *<noident>
drivers/net/wireless/libertas/if_spi.c:243:24: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/libertas/if_spi.c:243:24: expected restricted __le16 const [usertype] *p
drivers/net/wireless/libertas/if_spi.c:243:24: got unsigned short *<noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:243:24: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/libertas/if_spi.c:243:24: expected restricted __le16 const [usertype] *p
drivers/net/wireless/libertas/if_spi.c:243:24: got unsigned short *<noident>
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Fix a typo in the description of hwmp_route_info_get(), no function
changes.
Signed-off-by: Andrey Yurovsky <andrey@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When the in-kernel SME gets an association failure from
the AP we don't deauthenticate, and thus get into a very
confused state which will lead to warnings later on. Fix
this by actually deauthenticating when the AP indicates
an association failure.
(Brought to you by the hacking session at Kernel Summit 2009 in Tokyo,
Japan. -- JWL)
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When association fails, we should stay authenticated,
which in mac80211 is represented by the existence of
the mlme work struct, so we cannot free that, instead
we need to just set it to idle.
(Brought to you by the hacking session at Kernel Summit 2009 in Tokyo,
Japan. -- JWL)
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Recent commit "mac80211: fix logic error ibss merge bssid check" fixed
joining of ibss cell when static bssid is provided. In this case
ifibss->bssid is set before the cell is joined and comparing that address
to a bss should thus always succeed. Unfortunately this change broke the
other case of joining a ibss cell without providing a static bssid where
the value of ifibss->bssid is not set before the cell is joined.
Since ifibss->bssid may be set before or after joining the cell we do not
learn anything by comparing it to a known bss. Remove this check.
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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'struct b43_wl' declaration is missing at 'leds.h'.
It should be declared to avoid getting some GCC warnings at 'b43_leds_unregister'.
Signed-off-by: Miguel Botón <mboton@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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"b43: Fix PPC crash in rfkill polling on unload" fixed the bug reported
in Bugzilla No. 14181; however, it introduced a new bug. Whenever the
radio switch was turned off, it was necessary to unload and reload
the driver for it to recognize the switch again.
This patch fixes both the original bug in #14181 and the bug introduced by
the previous patch. It must be stated, however, that if there is a BCM4306/3
with an rfkill switch (not yet proven), then the driver will need an
unload/reload cycle to turn the device back on.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Benoit PAPILLAULT <benoit.papillault@free.fr>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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In mii monitor mode, bond_check_dev_link() calls the the ioctl
handler of slave devices. It stores the ndo_do_ioctl function
pointer to a static (!) ioctl variable and later uses it to call the
handler with the IOCTL macro.
If another thread executes bond_check_dev_link() at the same time
(even with a different bond, which none of the locks prevent), a
race condition occurs. If the two racing slaves have different
drivers, this may result in one driver's ioctl handler being
called with a pointer to a net_device controlled with a different
driver, resulting in unpredictable breakage.
Unless I am overlooking something, the "static" must be a
copy'n'paste error (?).
Signed-off-by: Jiri Bohac <jbohac@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
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virtio net used to unlink skbs from send queues on error,
but ever since 48925e372f04f5e35fec6269127c62b2c71ab794
we do not do this. This causes guest data corruption and crashes
with vhost since net core can requeue the skb or free it without
it being taken off the list.
This patch fixes this by queueing the skb after successful
transmit.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Page buffers containing packets with an incorrect checksum or using a
protocol not handled by hardware checksum offload were previously not
passed to LRO. The conversion to GRO changed this, but did not set
the ip_summed value accordingly.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The BNX2_L2CTX_STATUSB_NUM definition needs to be changed to match
the recent firmware update:
commit 078b0735881c7969aaf21469f3577831cddd9f8c
bnx2: Update firmware to 5.0.0.j3.
Without the fix, bnx2 can crash intermittently in bnx2_rx_int() when
iSCSI is enabled.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add include asm/cacheflush.h, because declaration of __flush_purge_region
moved to asm/cacheflush.h.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Be more careful about the state of pointers during tear-down.
The "pppoe_dev" field can only be looked at safely while holding socket locks.
This subsequently allows for the flush_lock to be killed.
We depend on the PPPOX_CONNECTED state to tell us that that those fields are
valid, so whoever clears that state (pppox_unbind_sock()) is responsible for
the dev_put() call.
We also have to ensure that we delete_item() on all sockets before they are
cleaned up.
The need for these changes has been exposed by scenarios wherein namespace
bindings of ethernet devices change while there are ongoing PPPoE sessions,
which resulted in oopses due to unusual socket connection termination paths,
exposing these issues.
Signed-off-by: Michal Ostrowski <mostrows@gmail.com>
Reviewed-by: Cyril Gorcunov <gorcunov@gmail.com>
Reported-by: Denys Fedoryschenko <denys@visp.net.lb>
Tested-by: Denys Fedoryschenko <denys@visp.net.lb>
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PCH-based parts (82577/82578) and some ICH8-based parts (82566) need to
hold the swflag (sw/fw/hw hardware semaphore) over consecutive PHY accesses
in order to perform sw-driven PHY configuration during initialization to
workaround known hardware issues (see follow-on patch). This patch
provides new PHY read/write functions (and function pointers) that will
allow accessing the PHY registers assuming the swflag has already been
acquired. The actual PHY register access code has moved into helper
functions that are called with a flag indicating whether or not the swflag
has already been acquired and acquires/releases it if not.
The functions called from within the updated PHY access functions had to be
updated to assume the swflag was already acquired, and other functions that
called those functions were also updated to acquire/release the swflag.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Accesses to NVM and PHY/CSR registers on ICHx/PCH-based parts are protected
from concurrent accesses with a mutex that is acquired when the access is
initiated and released when the access has completed. However, the two
types of accesses should not be protected by the same mutex because the
driver may have to access the NVM while already holding the mutex over
several consecutive PHY/CSR accesses which would result in livelock.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Unlike previous ICHx-based parts, the PCH-based parts (82577/82578) require
LPLU (Low Power Link Up, or "reverse auto-negotiation") to be configured in
the PHY rather than the MAC.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In some conditions (e.g. when AMT is enabled on the system), it is possible
to take an extended period of time to for the driver to acquire the sw/fw/hw
hardware semaphore used to protect against concurrent access of a shared
resource (e.g. PHY registers). This could cause PHY registers to not get
configured properly resulting in link issues.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Performing a dummy read of the PHY Wakeup Control (WUC) register clears the
wakeup enable bit set by an PHY reset. If this bit remains set, link
problems may occur.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch resolves a memory leak which occurs while changing the ring size
while the interface is down.
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>
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This patch resolves a memory leak that occurs when you resize the rings via
the ethtool -G option while the interface is down.
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>
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Changing ring sizes while the interface was down was causing a double
allocation of the receive and transmit rings. This issue is amplified when
there are multiple rings enabled. To prevent this we need to add an
additional check which will just update the ring counts when the interface
is not up and skip the allocation steps.
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>
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Modify bonding hash transmit policies to use the psource MAC address of
the packet instead of the MAC address configured for the bonding device.
The old sitation conflicts with the documentation.
Signed-off-by: Jasper Spaans <spaans@fox-it.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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