A FIN that is received during an MPA start up sequence causes a
timeout in iwcm.c. The connection has not been completely closed so
the iwcm code is waiting for resources to be cleaned up. This closes
the connection so everything cleans up correctly.
Signed-off-by: Don Wood <donald.e.wood@intel.com>
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
We fail when creating many qps as kmap() fails for sq_vbase.
Fix this by doing kunmap() as soon as we are done with sq_vbase.
We do kunmap() in one of the locations below:
(1) nes_destroy_qp()
(2) nes_accept()
(3) nes_connect_event
We keep a flag to avoid multiple calls to kunmap().
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
STags are generated randomly but the driver does not correctly prevent
a zero STag. Using STag zero is privileged and causes a user space
application to fail. This change prevents the driver from trying to
allocate a zero STag.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
While running a Xansation test, an active side node crashed. The
problem started on the passive side, which generated an STtag that was
0. The passive side sent a TERMINATE instead of an MPA REJECT msg.
The active side, receives TERMINATE and sends connect_err() and set
the cm_node state to CLOSED. The passive side sends FIN + ACK after
TERMINATE. Active side ends up in handle_ack_pkt() and send_reset().
send_reset() consumes 1 cm_node's ref_count. Because the cm_node is
in CLOSED state, which means that cm_node will be destroyed after
completion of the connect_err() indication, CM will crash after
send_reset().
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
When the listener is destroyed for a loopback connection, the listener
node gets a reset event. This causes a crash as the listener is not
expecting a reset event. Code review of cm_event_reset() during
debugging showed the cm_id ref count is incremented after calling its
event handler and not before.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
While running IMP_EXT's window test, we saw a crash in nes_accept().
Here is the sequence of what happened:
(1) In MVAPICH2, connect request is received for port #0.
FIX: Add a nes_connect() check to make sure local or remote tcp port
is not 0.
(2) Remote node's (passive) TCP stack sends a reset when it gets a
connect request because of port = 0. Active side set the connect
error to IW_CM_EVENT_STATUS_REJECTED when it received the RST from
remote node.
FIX: The corect error code is -ECONNRESET.
(3) Wrong error code of IW_CM_EVENT_STATUS_REJECTED causes the core to
destroy its listener ports. Here there are connections that may
have sent an MPA request up and waiting for accept or reject. But
the listener and its cm_nodes have been freed already causing the
crash noticed.
FIX: The cm_node is freed only if its state is not
NES_CM_STATE_MPAREQ_RCVD. If cm_node's state is
NES_CM_STATE_MPAREQ_RCVD then its new state is set to
NES_CM_STATE_LISTENER_DESTROYED and it is not freed. When
nes_accept() or nes_reject() is received, its state is checked
for NES_CM_STATE_LISTENER_DESTROYED and in this case the cm_node
is freed and error is returned.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
During testing of REJECT connection error handling, we saw that the
cm_id resources are not released. When the retransmit timer expires,
we need to send a reset message to remote node before issuing the
ABORTED event.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
During Xansation testing, we saw that error handling of MPA frame
msg/response is not handled properly.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
The ORD size needs updating as we are supporting more inbound READ
resources per connection.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Change MAX_CM_BUFFER for MPA frames to be conformant to RFC 5044:
we need 512 + 20 instead of 512.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
The size argument to ioremap_nocache should be the size of desired
information, not the pointer to it.
The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@expression@
expression *x;
@@
x =
<+...
*sizeof(x)
...+>// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Update copyright from Intel-NE, Inc. to Intel Corporation. Use proper
branding string in Kconfig and simplify description.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Add a check to nes_create_cq() to return -EINVAL if creating a CQ with
depth > max_cqe (32766).
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Add IB_SINGAL_ALL_WR support as an iWARP extension. If set, make sure
all WR for the QP are signalled. Consolidate flags used in nesqp
structure.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Add additional PHY uC status check in case PHY firmware is not running
properly with heartbeat. Add a hard PHY reset if uC status is 0x0
after initial reset.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Always set bad_wr when an immediate error is detected. Do not report
success if an error occurred.
Signed-off-by: Frank Zago <fzago@systemfabricworks.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Always set bad_wr when an immediate error is detected.
Signed-off-by: Frank Zago <fzago@systemfabricworks.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Delete extra words in "is to takes advantage of".
Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Clarify the behavior of ib_post_send() when a list of work requests is
passed in and an immediate error is returned.
Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Add support for IB_WR_SEND_WITH_INV, IB_WR_RDMA_READ_WITH_INV
and IB_WR_LOCAL_INV.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
On error, set bad_wr in nes_post_recv(). Stop processing ib_wr queue
when an error is detected.
Signed-off-by: Frank Zago <fzago@systemfabricworks.com>
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
On error, set bad_wr in nes_post_send(). Stop processing ib_wr queue
when an error is detected.
Signed-off-by: Frank Zago <fzago@systemfabricworks.com>
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
The pointer to struct gss_auth parameter in gss_add_msg is not really needed
after commit 5b7ddd4a. Zap it.
Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Describe all LocalBus chipselects on MPC8349E-MITX board. Also add flash
bindings.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Add OF descriptions of EEPROM, two GPIO extenders and SPD hanging on I2C
on this board.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
mpc8349 bears two GPIO controllers. Enable support for them.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
As Corentin points out, we do not create a backlight device if the ACPI
video driver is able to provide equivalent functionality. So we do need
to check before we try to update the backlight device.
We now ignore brightness events completely if we have not created a
backlight device. This is slightly more cautious than the original
check.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
fix styles problems introduced by commit
e86bda235a08b6a8e64c1e8bb9d175f6961554e3
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
Lenovo SL series laptop has a very similar DSDT with Asus laptops. We can
easily have the extra ACPI function support with little modification in
asus-laptop.c
Here is the hotkey enablement for Lenovo SL series laptop.
This patch will enable the following hotkey:
- Volumn Up
- Volumn Down
- Mute
- Screen Lock (Fn+F2)
- Battery Status (Fn+F3)
- WLAN switch (Fn+F5)
- Video output switch (Fn+F7)
- Touchpad switch (Fn+F8)
- Screen Magnifier (Fn+Space)
The following function of Lenovo SL laptop is still need to be enabled:
- Hotkey: KEY_SUSPEND (Fn+F4), KEY_SLEEP (Fn+F12), Dock Eject (Fn+F9)
- Rfkill for bluetooth and wlan
- LenovoCare LED
- Hwmon for fan speed
- Fingerprint scanner
- Active Protection System
Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Len Brown <len.brown@intel.com>
The same key is used in toshiba-laptop, and there is no
reserved key for that.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
Callback methods should not refer to a variable like "eeepc" (formally
"ehotk"). Instead, they should extract the data they need either from
a "driver data" parameter, or the "driver data" field of the object
which they operate on. The "eeepc" variable can then be removed.
In practice, drivers under "drivers/platform" can get away without using
driver data, because it doesn't make sense to have more than one
instance of them. However this makes it harder to review them for
correctness. This is especially true for core ACPI developers who have
not previously been exposed to this anti-pattern :-).
This will serve as an example of best practice for new driver writers
(whether they find it themselves, or have it pointed out during review
:-).
The hwmon sub-device is a special case. It uses ec_{read,write} which
are defined to communicate with the (first) EC, so it does not require
any driver data. It should still only be instantiated in the context of
an ASUS010 device because we don't have a safe way to probe for it.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
CC: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
eeepc-laptop now does a lot more than just hotkeys. Replace the "hotk"
names used throughout the driver with some slightly more appropriate
names. The actual strings used in kernel messages and sysfs are left
unchanged.
e.g.
EEEPC_HOTK_FILE -> EEEPC_LAPTOP_FILE
EEEPC_HOTK_HID -> EEEPC_ACPI_HID
eeepc_hotk_notify -> eeepc_acpi_notify
struct eeepc_hotk -> struct eeepc_laptop
ehotk -> eeepc
I'm about to refactor the entire driver to remove the global "ehotk"
variable, and I don't wish to add "struct eeepc_hotk *ehotk" to
functions which have nothing to do with hotkeys.
Also
- fix the name of "eepc_get_entry_by_keycode()"
- remove the unused definition of NOTIFY_WLAN_ON.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
Move e.g. backlight_init() and backlight_exit() together along with the
other backlight functions, instead of grouping init() and exit()
functions. Move e.g. backlight_ops to follow the functions it refers
to, and remove the forward declarations. The code itself should remain
unchanged.
The eeepc-laptop driver implements a number of interfaces like the
backlight class driver. This change makes it easier to examine the
implementation of one interface at at a time, without having to search
through the file to find init() and exit() functions etc.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
This moves the sysfs_create_group() call just after the declaration of
the platform device attributes. It should make it easier to examine
the implementation of the platform device attributes in isolation
from the rest of the code. (The next commit will apply this pattern
to all of the sub-devices as well).
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk
Signed-off-by: Len Brown <len.brown@intel.com>
Strictly speaking we should register the platform driver exactly once,
whether there are zero, one, or multiple matching acpi devices.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
Separate out input_notify(), in a similar way to how notify_brn()
is already separated. This will allow all the functions which refer to
the input device to be grouped together.
This includes a small behaviour change - we now synthesize brightness
up/down key events even if the brightness is already at the
maximum/minimum value. This is consistent with the new uevent
interface.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
The hwmon device uses ec_write() to write values to the EC. So for
consistency it should use ec_read() to read values. The extra layers
of indirection used did not add any value.
This may mean we no longer take the ACPI global lock for such reads
(if the EC operation region requires the lock and the EC does not).
But there is no point locking each one-byte read individually, when
write operations do not use the lock at all.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
We don't need to store init_flags after using them. And we don't use
the result of INIT, so we don't need to allocate a buffer for it.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
We already tell the backlight class our maximum brightness value; it
will validate the user requested values for us.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
eeepc_hotk_notify() cannot be called with ehotk == NULL or bd == NULL.
We check both variables for allocation failure and would bail out before
the notifier is registered.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
If the control method does not exist, return -ENODEV for consistency
with get_acpi()
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
If we bail out because we can't create the led class device, we need to
ensure the led workqueue is cleaned up.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
Create the workqueue thread used by tpd_led_set() *before* we register
the led device. (And vice versa for unregistration).
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
