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Some static functions in the dpaa2-switch driver don't have a distinct
prefix and this is becoming an inconvenience when looking at, for
example, a perf top output and trying to determine easily which entries
are dpaa2 switch related. Ammend this by adding the prefix to all the
functions.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20201009153000.14550-3-ioana.ciornei@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some static functions in the dpaa2-switch driver don't have a distinct
prefix and this is becoming an inconvenience when looking at, for
example, a perf top output and trying to determine easily which entries
are dpaa2 switch related. Ammend this by adding the prefix to all the
functions.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20201009153000.14550-2-ioana.ciornei@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Avoid getting into a WARNING as below by checking, while in the prepare
state of the transactional operation, if there is space for a new VLAN.
If we reached the maximum number, return an appropriate error.
[ 6503.657564] eth3: Commit of object (id=1) failed.
[ 6503.657588] WARNING: CPU: 2 PID: 17144 at net/switchdev/switchdev.c:277 switchdev_port_obj_add_now+0xcc/0x110
...
[ 6503.657628] x1 : 70887ce26695c500 x0 : 0000000000000000
[ 6503.657630] Call trace:
[ 6503.657633] switchdev_port_obj_add_now+0xcc/0x110
[ 6503.657635] switchdev_port_obj_add+0x40/0xc0
[ 6503.657638] br_switchdev_port_vlan_add+0x50/0x78
[ 6503.657640] __vlan_add+0x2dc/0x758
[ 6503.657642] nbp_vlan_add+0xc0/0x180
[ 6503.657644] br_vlan_info.isra.0+0x68/0x128
[ 6503.657646] br_process_vlan_info+0x224/0x2f8
[ 6503.657647] br_afspec+0x158/0x188
[ 6503.657649] br_setlink+0x1a4/0x290
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20200721091919.20394-7-ioana.ciornei@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We should destroy the switch workqueue only after deregistering the
switchdev notifiers. Without this fix, we could end up with switchdev
notifications on a draining workqueue and also with a lock up since the
netdevice reference count is increased (in port_switchdev_event) and not
decreased ever (since the workqueue did not run).
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20200721091919.20394-5-ioana.ciornei@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since now we have a notifier block for each DPSW instance probed, we
have to also check that the netdev is indeed connected to the notifier
received. Without this, we end up with the same switchdev callback being
executed multiple times (because it would be received by all notifier
blocks, not just the one intended to).
Also, move the function higher in the source file because it will be
used in later patches from multiple places.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20200721091919.20394-2-ioana.ciornei@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
At probe time, retrieve the MAC addresses of the switch ports using a
firmware call and use that to setup the switch interface net_device
instead of relying entirely on the user to configure a MAC address on
the interface. In case a switch interface is not connected to a MAC,
thus the dpsw_if_get_port_mac_addr() will return all zeroes, generate a
random MAC address and use that.
This new functionality is dependent on a firmware call which is
available only on newer versions, so depending on the running DPSW
object version skip this step.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20200714133431.17532-7-ioana.ciornei@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The MC firmware will enable the switch interfaces at DPSW creation
without waiting for an 'ifconfig up' on the switch interfaces. When this
happens, the states held by the Linux software vs the firmware are not
in sync. Make sure to disable the switch ports at probe time to not
encounter this issue.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20200714133431.17532-5-ioana.ciornei@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There are some cases where the switch interface needs to be disabled so
that changes in the configuration can be made. In such cases, we should
check for a running interface (bit __LINK_STATE_START of the netdev)
instead of netif_carrier_ok(). This is because on open() we enable the
switch interface even though the link up has not come out yet.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20200714133431.17532-4-ioana.ciornei@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pull staging/IIO driver updates from Greg KH:
"Here is the large set of staging and IIO driver changes for 5.8-rc1
Nothing major, but a lot of new IIO drivers are included in here,
along with other core iio cleanups and changes.
On the staging driver front, again, nothing noticable. No new
deletions or additions, just a ton of tiny cleanups all over the tree
done by a lot of different people. Most coding style, but many actual
real fixes and cleanups that are nice to see.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (618 commits)
staging: rtl8723bs: Use common packet header constants
staging: sm750fb: Add names to proc_setBLANK args
staging: most: usb: init return value in default path of switch/case expression
staging: vchiq: Get rid of VCHIQ_SERVICE_OPENEND callback reason
staging: vchiq: move vchiq_release_message() into vchiq
staging: vchi: Get rid of C++ guards
staging: vchi: Get rid of not implemented function declarations
staging: vchi: Get rid of vchiq_status_to_vchi()
staging: vchi: Get rid of vchi_service_set_option()
staging: vchi: Merge vchi_msg_queue() into vchi_queue_kernel_message()
staging: vchiq: Move copy callback handling into vchiq
staging: vchi: Get rid of vchi_queue_user_message()
staging: vchi: Get rid of vchi_service_destroy()
staging: most: usb: use function sysfs_streq
staging: most: usb: add missing put_device calls
staging: most: usb: use correct error codes
staging: most: usb: replace code to calculate array index
staging: most: usb: don't use error path to exit function on success
staging: most: usb: move allocation of URB out of critical section
staging: most: usb: return 0 instead of variable
...
- add SPDX header;
- use copyright symbol;
- adjust title markup;
- mark code blocks and literals as such;
- mark tables as such;
- adjust identation, whitespaces and blank lines where needed;
- add to networking/index.rst.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Implement the .ndo_fdb_dump callback for the switch net devices. The
list of all offloaded FDB entries is retrieved through the dpsw_fdb_dump()
firmware call. Filter the entries by the switch port on which the
callback was called and for each of them create a new neighbour message.
Also remove the requirement from the TODO list.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/1564416712-16946-4-git-send-email-ioana.ciornei@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In the default event case switchdev_work is being leaked because
nothing is queued for work. Fix this by kfree'ing switchdev_work
before returning NOTIFY_DONE.
Addresses-Coverity: ("Resource leak")
Fixes: 44baaa43d7 ("staging: fsl-dpaa2/ethsw: Add Freescale DPAA2 Ethernet Switch driver")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- Resolve the following warning from the Kconfig,
"WARNING: prefer 'help' over '---help---' for new help texts"
Signed-off-by: Moses Christopher <moseschristopherb@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There are a few remaining drivers/staging/*/Makefile files that do not
have SPDX identifiers in them. Add the correct GPL-2.0 identifier to
them to make scanning tools happy.
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There are a few remaining drivers/staging/*/Kconfig files that do not
have SPDX identifiers in them. Add the correct GPL-2.0 identifier to
them to make scanning tools happy.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pull staging/IIO updates from Greg KH:
"Here is the big staging/iio driver pull request for 5.1-rc1.
Lots of good IIO driver updates and cleanups in here as always.
Combined with the removal of the xgifb driver, we have a net "loss" of
over 9000 lines in the pull request, always a nice thing.
As the outreachy application process is currently happening, there are
loads of tiny checkpatch cleanup fixes all over the staging tree,
which accounts for the majority of the fixups"
* tag 'staging-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (341 commits)
staging: mt7621-dma: remove license boilerplate text
staging: mt7621-dma: add SPDX GPL-2.0+ license identifier
Staging: ks7010: Replace typecast to int
Staging: vt6655: Align a static function declaration
staging: speakup: fix line over 80 characters.
staging: mt7621-eth: Remove license boilerplate text
staging: mt7621-eth: Add SPDX license identifier
staging: ks7010: removed custom Michael MIC implementation.
staging: rtl8192e: Fix space and suspect issue
Staging: vt6655: Modify comment style of SPDX License Identifier
Staging: vt6655: Modify comment style for SPDX-License-Identifier
Staging: vt6655: Align a function declaration
Staging: vt6655: Alignment of function declaration
staging: rtl8712: Fix indentation issue
staging: wilc1000: fix incorrent type in initializer
staging: rtl8188eu: remove unused P2P_PRIVATE_IOCTL_SET_LEN
staging: rtl8188eu: remove unused enum P2P_PROTO_WK_ID
staging: rtl8723bs: Remove duplicated include from drv_types.h
Staging: vt6655: Alignment should match open parenthesis
staging: erofs: fix mis-acted TAIL merging behavior
...
