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767209 commits

Author SHA1 Message Date
Amit Nischal
c646b34766 clk: qcom: Add video clock controller driver for SDM845
Add support for the video clock controller found on SDM845
based devices. This would allow video drivers to probe and
control their clocks.

Signed-off-by: Amit Nischal <anischal@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-06-01 11:49:08 -07:00
Amit Nischal
84b66b2116 dt-bindings: clock: Introduce QCOM Video clock bindings
Add device tree bindings for video clock controller for
Qualcomm Technology Inc's SoCs.

Signed-off-by: Amit Nischal <anischal@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-06-01 11:49:07 -07:00
Colin Ian King
ec62e95ae3 orangefs: make struct orangefs_file_vm_ops static
The struct orangefs_file_vm_ops is local to the source and does not need
to be in global scope, so make it static.

Cleans up sparse warning:
fs/orangefs/file.c:547:35: warning: symbol 'orangefs_file_vm_ops' was not
declared. Should it be static?

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2018-06-01 14:49:00 -04:00
Martin Brandenburg
9f8fd53cd0 orangefs: revamp block sizes
Now the superblock block size is PAGE_SIZE.  The inode block size is
PAGE_SIZE for directories and symlinks, but is the server-reported
block size for regular files.

The block size in the OrangeFS private inode is now deleted.  Stat
now reports PAGE_SIZE for directories and symlinks and the
server-reported block size for regular files.

The user-space visible change is that the block size for directores
and symlinks and the superblock is now PAGE_SIZE rather than the size of
the client-core shared memory buffers, which was typically four
megabytes.

Reported-by: Becky Ligon <ligon@clemson.edu>
Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Cc: hubcap@omnibond.com
Cc: walt@omnibond.com
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2018-06-01 14:48:31 -04:00
Manu Gautam
096abdc296 clk: msm8996-gcc: Mark halt check as no-op for USB/PCIE pipe_clk
The USB and PCIE pipe clocks are sourced from external clocks
inside the QMP USB/PCIE PHYs. Enabling or disabling of PIPE RCG
clocks is dependent on PHY initialization sequence hence
update halt_check to BRANCH_HALT_SKIP for these clocks so
that clock status bit is not polled when enabling or disabling
the clocks. It allows to simplify PHY client driver code which
is both user and source of the pipe_clk and avoid error logging
related status check on clk_disable/enable.

Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-06-01 11:36:15 -07:00
David S. Miller
21ad117358 Merge branch 'hns3-next'
Salil Mehta says:

====================
Misc. bug fixes & optimizations for HNS3 driver

This patch-set presents some bug fixes found out during the internal
review and system testing and some small optimizations.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:23:59 -04:00
Xi Wang
3a678b5806 net: hns3: Optimize the VF's process of updating multicast MAC
In the update flow of the new PF driver, if a multicast address is in mta
table, the VF deletion action will not take effect.

This patch adds the VF adaptation according to the new flow of PF'driver.

Signed-off-by: Xi Wang <wangxi11@huawei.com>
Reviewed-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:23:58 -04:00
Xi Wang
40cca1c587 net: hns3: Optimize the PF's process of updating multicast MAC
In the current process, the multicast MAC is added to both MAC_VLAN
table and MTA table, this will reduce the utilization of the resource.

This patch improves the process of adding multicast MAC address, the
new process starts using the MTA table to add multicast MAC after the
MAC_VLAN table is full, and the MTA is disable if it is no longer used.

Signed-off-by: Xi Wang <wangxi11@huawei.com>
Reviewed-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:23:57 -04:00
Yunsheng Lin
3db084d28d net: hns3: Fix for vxlan tx checksum bug
when skb->encapsulation is 0, skb->ip_summed is CHECKSUM_PARTIAL
and it is udp packet, which has a dest port as the IANA assigned.
the hardware is expected to do the checksum offload, but the
hardware will not do the checksum offload when udp dest port is
4789.

This patch fixes it by doing the checksum in software.

Fixes: 76ad4f0ee7 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:23:57 -04:00
Yunsheng Lin
f0ad97ac12 net: hns3: Add missing break in misc_irq_handle
There is a break missing in the switch/case handling in
hclge_misc_irq_handle, which causes the log to output
uncorrectly.

This patch adds the missing break, and change the dev_dbg
to dev_warn in order to better catch the error.

Fixes: c1a81619d7 ("net: hns3: Add mailbox interrupt handling to PF driver")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:23:57 -04:00
Yunsheng Lin
9617f66867 net: hns3: Fix for phy not link up problem after resetting
When resetting, phy_state_machine may be accessing the phy through
firmware if the phy is not stopped or disconnected, which will
cause firemware timeout problem because the firmware is busy
processing the reset request.

This patch fixes it by disabling the phy when resetting.

Fixes: b940aeae0ed6 ("net: hns3: never send command queue message to IMP when reset")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:23:56 -04:00
Yunsheng Lin
cd8c5c269b net: hns3: Fix for hclge_reset running repeatly problem
When hardware sends the HCLGE_VECTOR0_EVENT_RST event through
hclge_misc_irq_handle, currently driver enables misc_vector in
the interrupt handle, and hardware generates the same interrupt
for the same reset event again and again until the reset is
complete, which causes hclge_reset running repeatly problem.

This patch fixes by enabling the misc_vector after reset is
complete.

Fixes: 4ed340ab8f ("net: hns3: Add reset process in hclge_main")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:23:56 -04:00
Yunsheng Lin
f5be79673f net: hns3: Fix for service_task not running problem after resetting
When hclge_ae_stop is called during resetting, it will cancel the
service_task by calling cancel_work_sync, which may cause the
service_task to exit without clearing HCLGE_STATE_SERVICE_SCHED
bit. If this happens, the service_task will never run again.

This patch fixes this problem by clearing it after calling
cancel_work_sync in hclge_ae_stop.

Fixes: 46a3df9f97 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:23:56 -04:00
Jian Shen
c7fc8fb619 net: hns3: Fix setting mac address error
When doing function reset or insmod hns3 dirver after rmmod,
the entries of mac vlan table are not cleared, which may cause
init mac address failed. This patch fixes it by clearing the
old mac address when doing function reset or rmmod hns3 driver.

Fixes: 76ad4f0ee7 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:23:56 -04:00
Jian Shen
5ec2a51ef8 net: hns3: Add repeat address checking for setting mac address
Add checking for new mac address. It doesn't need to config
the mac vlan table if it's already in use.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:23:55 -04:00
Peng Li
3b75c3df59 net: hns3: Add support for IFF_ALLMULTI flag
This patch adds support for IFF_ALLMULTI flag to HNS3 PF and VF
driver.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:23:55 -04:00
Yunsheng Lin
6c251711b3 net: hns3: Disable vf vlan filter when vf vlan table is full
This is only 128 entries for hardware's vf vlan table, when
the vf table is full, the firmware will disable the vf vlan
filter and return a resp_code of HCLGE_VF_VLAN_NO_ENTRY to
driver.

This patch checks the if resp_code from firmware is
HCLGE_VF_VLAN_NO_ENTRY, if yes, then print a warning and
return ok to the caller.

Fixes: 46a3df9f97 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:23:54 -04:00
Greg Kroah-Hartman
3b93c0f4b6 staging: vc04_services: no need to save the log debufs dentries
The log entry dentries are only set, never referenced, so no need to
keep them around.  Remove the pointer from struct
vchiq_debugfs_log_entry as it is not needed anymore and get rid of the
separate vchiq_debugfs_create_log_entries() function as it is only used
in one place.

Suggested-by: Eric Anholt <eric@anholt.net>
Cc: Stefan Wahren <stefan.wahren@i2se.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Keerthi Reddy <keerthigd4990@gmail.com>
Cc: linux-rpi-kernel@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-06-01 20:15:56 +02:00
Greg Kroah-Hartman
54f156968a staging: vc04_services: vchiq_debugfs_log_entry can be a void *
There's no need to set this to be int * when it is only used as a void *.
This lets us remove the unneeded cast, and unneeded temporary variable
the one place it is referenced in the code.

Suggested-by: Eric Anholt <eric@anholt.net>
Cc: Stefan Wahren <stefan.wahren@i2se.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Keerthi Reddy <keerthigd4990@gmail.com>
Cc: linux-rpi-kernel@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-06-01 20:15:56 +02:00
Greg Kroah-Hartman
127892febb staging: vc04_services: remove struct vchiq_debugfs_info
This structure, and the one static variable that was declared with it,
were not being used for anything.  The log_categories field was being
set, but never used again.  So just remove it entirely as it is not
needed at all.

Suggested-by: Eric Anholt <eric@anholt.net>
Cc: Stefan Wahren <stefan.wahren@i2se.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Keerthi Reddy <keerthigd4990@gmail.com>
Cc: linux-rpi-kernel@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-06-01 20:15:56 +02:00
Greg Kroah-Hartman
24e8d3fc42 staging: vc04_services: move client dbg directory into static variable
This does not need to be part of a wrapper function, or in a structure,
just properly reference it directly as a single variable.

The whole variable will be going away soon anyway, this is just a step
toward that direction.

Suggested-by: Eric Anholt <eric@anholt.net>
Cc: Stefan Wahren <stefan.wahren@i2se.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Keerthi Reddy <keerthigd4990@gmail.com>
Cc: linux-rpi-kernel@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-06-01 20:15:56 +02:00
Greg Kroah-Hartman
2739deaece staging: vc04_services: remove odd vchiq_debugfs_top() wrapper
vchiq_debugfs_top() is only a wrapper around a pointer to a dentry, so
just use the dentry directly instead, making it a static variable
instead of part of a static structure.

This also removes the pointless BUG_ON() when checking that dentry as no
one should ever care if debugfs is working or not, and the kernel should
really not panic over something as trivial as that.

Suggested-by: Eric Anholt <eric@anholt.net>
Cc: Stefan Wahren <stefan.wahren@i2se.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Keerthi Reddy <keerthigd4990@gmail.com>
Cc: linux-rpi-kernel@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-06-01 20:15:56 +02:00
Greg Kroah-Hartman
0723103f8b staging: vc04_services: no need to check debugfs return values
When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Clean up the vchiq_arm code by not caring about the value of debugfs
calls.  This ends up removing a number of lines of code that are not
needed.

Cc: Stefan Wahren <stefan.wahren@i2se.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Keerthi Reddy <keerthigd4990@gmail.com>
Cc: linux-rpi-kernel@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-06-01 20:15:56 +02:00
Rajendra Nayak
7705bb7176 clk: qcom: mmcc-msm8996: leave all mmagic gdscs and clocks always enabled
There's no bus infrastructure today to handle all the mmagic bus
clocks and GDSCs needed by all the multimedia blocks in msm8996, like
mdss, video, camera and gpu. Mark all these clocks with a CLK_IS_CRITICAL
and GDSCs with a ALWAYS_ON flag for now so they are left always enabled.
This patch should be reverted at some point when we do have a bus driver
to manage these clocks and GDSCs.

Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-06-01 11:14:55 -07:00
Rajendra Nayak
31543ebb8a clk: qcom: Register the gdscs before the clocks
We have atleast some instances of ALWAYS_ON gdscs, which need to
be turned ON *before* some clocks within the gdsc domain marked
with a CLK_IS_CRITICAL can be turned ON.
To facilitate this sequence, register the GDCSs (and hence handle
the ALWAYS_ON gdscs) before we register clocks (and handle the
clocks marked as CLK_IS_CRITICAL)

Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-06-01 11:14:52 -07:00
Rajendra Nayak
fb55bea1fe clk: qcom: gdsc: Add support for ALWAYS_ON gdscs
Some GDSCs might have software control to turn them off, but we might
want to keep them enabled always, in some cases because of lack of
support in kernel to handle a graceful turning off/on of such GDSCs.
Most common instances would be the GDCSs which power up the noc/bus
fabrics, which need bus drivers to handle them and atleast support for
which is missing on all qcom SoCs.

Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-06-01 11:14:48 -07:00
David S. Miller
07f7ee6ec0 Merge branch 'mirror-to-gretap-tests'
Petr Machata says:

====================
Test mirror-to-gretap with bridge in UL

This patchset adds more tests to the mirror-to-gretap suite where bridge
is present in the underlay. Specifically it adds tests for bridge VLAN
handling, FDB, and bridge port STP status.

In patches #1-#3, the codebase is refactored to support the new tests.

In patch #4, an STP test is added to the mirroring library, that will
later be called from bridge tests.

In patches #5-#8, the test for mirror-to-gretap with an 802.1q bridge in
underlay is adapted and more tests are added.

In patch #9, an STP test is added to the test suite for mirror-to-gretap
with an 802.1d bridge in underlay.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:11:06 -04:00
Petr Machata
b5b029399f selftests: forwarding: mirror_gre_bridge_1d_vlan: Add STP test
To test offloading of mirror-to-gretap in mlxsw for cases that a
VLAN-unaware bridge is in underlay packet path, test that the STP status
of bridge egress port is reflected.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:11:04 -04:00
Petr Machata
9c7c8a8244 selftests: forwarding: mirror_gre_vlan_bridge_1q: Add more tests
Offloading of mirror-to-gretap in mlxsw is tricky especially in cases
when the gretap underlay involves bridges. Add more tests that exercise
the bridge handling code:

- forbidden_egress tests that check vlan removal on bridge port in the
  underlay packet path
- untagged_egress tests that similarly check "egress untagged"
- fdb_roaming tests that check whether learning FDB on a different port
  is reflected
- stp tests for handling port STP status of bridge egress port

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:11:03 -04:00
Petr Machata
683680165c selftests: forwarding: mirror_gre_vlan_bridge_1q: Rename two tests
Rename test_gretap_forbidden() and test_ip6gretap_forbidden() to a more
specific test_gretap_forbidden_cpu() and test_ip6gretap_forbidden_cpu().
This will make it clearer which is which when further down a patch is
introduced that forbids a VLAN on regular bridge port.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:11:02 -04:00
Petr Machata
a6f3282e2f selftests: forwarding: mirror_gre_vlan_bridge_1q: Test final config
After the final change reestablishes the original configuration, make
sure the traffic flows again as it should.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:11:02 -04:00
Petr Machata
b996078ea9 selftests: forwarding: mirror_gre_vlan_bridge_1q: Fix tunnel name
The "ip6gretap" in the test name refers to the tunnel device type that
the test is supposed to be testing. However test_ip6gretap_forbidden()
tests, due to a typo, a gretap tunnel. Fix the typo.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:11:02 -04:00
Petr Machata
f52f460ca9 selftests: forwarding: mirror_gre_lib: Add STP test
Add a reusable full test that toggles STP state of a given bridge port
and checks that the mirroring reacts appropriately. The test will be
used by bridge tests in follow-up patches.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:11:02 -04:00
Petr Machata
275225fb4e selftests: forwarding: mirror_lib: skip_hw the VLAN capture
When the VLAN capture is installed on a front panel device and not a
soft device, the packets are counted twice: once in fast path, and once
after they are trapped to the kernel. Resolve the problem by passing
skip_hw flag to vlan_capture_install().

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:11:02 -04:00
Petr Machata
900530f3f8 selftests: forwarding: mirror_lib: Move here do_test_span_vlan_dir_ips()
Move the function do_test_span_vlan_dir_ips() from mirror_vlan.sh test
to a library file mirror_lib.sh to allow reuse. Fill in other entry
points similar to other testing functions in mirror_lib.sh, they will be
useful in following patches.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:11:01 -04:00
Petr Machata
2004a9bcb8 selftests: forwarding: lib: Move here vlan_capture_{, un}install()
Move vlan_capture_install() and vlan_capture_uninstall() from
mirror_vlan.sh test to lib.sh so that it can be reused in other tests.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:11:01 -04:00
Daniele Palmas
9f7c728332 net: usb: cdc_mbim: add flag FLAG_SEND_ZLP
Testing Telit LM940 with ICMP packets > 14552 bytes revealed that
the modem needs FLAG_SEND_ZLP to properly work, otherwise the cdc
mbim data interface won't be anymore responsive.

Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 14:01:42 -04:00
Jisheng Zhang
3504395f61 clk: berlin: switch to SPDX license identifier
Use the appropriate SPDX license identifier and drop the previous
license text.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-06-01 11:00:30 -07:00
David S. Miller
8a11801581 Merge branch 'tunnel-mtus'
Nicolas Dichtel says:

====================
ip[6] tunnels: fix mtu calculations

The first patch restores the possibility to bind an ip4 tunnel to an
interface whith a large mtu.
The second patch was spotted after the first fix. I also target it to net
because it fixes the max mtu value that can be used for ipv6 tunnels.

v2: remove the 0xfff8 in ip_tunnel_newlink()
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 13:56:31 -04:00
Chuck Lever
11d0ac16b0 xprtrdma: Remove transfertypes array
Clean up: This array was used in a dprintk that was replaced by a
trace point in commit ab03eff58e ("xprtrdma: Add trace points in
RPC Call transmit paths").

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-06-01 13:56:30 -04:00
Nicolas Dichtel
f7ff1fde94 ip6_tunnel: remove magic mtu value 0xFFF8
I don't know where this value comes from (probably a copy and paste and
paste and paste ...).
Let's use standard values which are a bit greater.

Link: https://git.kernel.org/pub/scm/linux/kernel/git/davem/netdev-vger-cvs.git/commit/?id=e5afd356a411a
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 13:56:30 -04:00
Chuck Lever
8335640cf8 xprtrdma: Add trace_xprtrdma_dma_map(mr)
Matches trace_xprtrdma_dma_unmap(mr).

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-06-01 13:56:30 -04:00
Chuck Lever
2fad659209 xprtrdma: Wait on empty sendctx queue
Currently, when the sendctx queue is exhausted during marshaling, the
RPC/RDMA transport places the RPC task on the delayq, which forces a
wait for HZ >> 2 before the marshal and send is retried.

With this change, the transport now places such an RPC task on the
pending queue, and wakes it just as soon as more sendctxs become
available. This typically takes less than a millisecond, and the
write_space waking mechanism is less deadlock-prone.

Moreover, the waiting RPC task is holding the transport's write
lock, which blocks the transport from sending RPCs. Therefore faster
recovery from sendctx queue exhaustion is desirable.

Cf. commit 5804891455d5 ("xprtrdma: ->send_request returns -EAGAIN
when there are no free MRs").

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-06-01 13:56:30 -04:00
Chuck Lever
ed3aa74245 xprtrdma: Move common wait_for_buffer_space call to parent function
Clean up: The logic to wait for write space is common to a bunch of
the encoding helper functions. Lift it out and put it in the tail
of rpcrdma_marshal_req().

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-06-01 13:56:30 -04:00
Chuck Lever
a8f688ec43 xprtrdma: Return -ENOBUFS when no pages are available
The use of -EAGAIN in rpcrdma_convert_iovs() is a latent bug: the
transport never calls xprt_write_space() when more pages become
available. -ENOBUFS will trigger the correct "delay briefly and call
again" logic.

Fixes: 7a89f9c626 ("xprtrdma: Honor ->send_request API contract")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: stable@vger.kernel.org # 4.8+
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-06-01 13:56:30 -04:00
Nicolas Dichtel
82612de1c9 ip_tunnel: restore binding to ifaces with a large mtu
After commit f6cc9c054e, the following conf is broken (note that the
default loopback mtu is 65536, ie IP_MAX_MTU + 1):

$ ip tunnel add gre1 mode gre local 10.125.0.1 remote 10.125.0.2 dev lo
add tunnel "gre0" failed: Invalid argument
$ ip l a type dummy
$ ip l s dummy1 up
$ ip l s dummy1 mtu 65535
$ ip tunnel add gre1 mode gre local 10.125.0.1 remote 10.125.0.2 dev dummy1
add tunnel "gre0" failed: Invalid argument

dev_set_mtu() doesn't allow to set a mtu which is too large.
First, let's cap the mtu returned by ip_tunnel_bind_dev(). Second, remove
the magic value 0xFFF8 and use IP_MAX_MTU instead.
0xFFF8 seems to be there for ages, I don't know why this value was used.

With a recent kernel, it's also possible to set a mtu > IP_MAX_MTU:
$ ip l s dummy1 mtu 66000
After that patch, it's also possible to bind an ip tunnel on that kind of
interface.

CC: Petr Machata <petrm@mellanox.com>
CC: Ido Schimmel <idosch@mellanox.com>
Link: https://git.kernel.org/pub/scm/linux/kernel/git/davem/netdev-vger-cvs.git/commit/?id=e5afd356a411a
Fixes: f6cc9c054e ("ip_tunnel: Emit events for post-register MTU changes")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 13:56:29 -04:00
Stephen Boyd
70b7e55a19 clk: tegra: Changes for v4.18-rc1
Contains a proper implementation of the CDEV1/2 clocks on Tegra20.
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Merge tag 'tegra-for-4.18-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into clk-tegra

Pull Tegra clk driver updates from Thierry Reding:

 - proper implementation of the CDEV1/2 clocks on Tegra20

* tag 'tegra-for-4.18-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  clk: tegra: Add quirk for getting CDEV1/2 clocks on Tegra20
  clk: tegra20: Correct parents of CDEV1/2 clocks
  clk: tegra20: Add DEV1/DEV2 OSC dividers
2018-06-01 10:27:58 -07:00
Stephen Boyd
533dfd6050 Conversion to match_string helper of open-coded string comparison
and removal of the initial devicetree-based gate-clocks, which were
 deprecated since 2014.
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Merge tag 'v4.18-rockchip-clk-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into clk-rockchip

Pull rockchip clk driver updates from Heiko Stuebner:

Conversion to match_string helper of open-coded string comparison
and removal of the initial devicetree-based gate-clocks, which were
deprecated since 2014.

* tag 'v4.18-rockchip-clk-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  clk: rockchip: remove deprecated gate-clk code and dt-binding
  clk: rockchip: use match_string() helper
2018-06-01 10:26:06 -07:00
David S. Miller
ccfde6e27d Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:

====================
pull request (net): ipsec 2018-05-31

1) Avoid possible overflow of the offset variable
   in  _decode_session6(), this fixes an infinite
   lookp there. From Eric Dumazet.

2) We may use an error pointer in the error path of
   xfrm_bundle_create(). Fix this by returning this
   pointer directly to the caller.

Please pull or let me know if there are problems.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-01 13:25:41 -04:00
Stephen Boyd
f40cc01ec9 Allwinner clock changes for 4.18
Not a lot of changes for this release, but two quite important features
 were added: the H6 PRCM clock support, and the needed changes to the R40
 clock driver to allow for the EMAC to operate.
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Merge tag 'sunxi-clk-for-4.18' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-allwinner

Pull Allwinner clock changes from Maxime Ripard:

Not a lot of changes for this release, but two quite important features
were added: the H6 PRCM clock support, and the needed changes to the R40
clock driver to allow for the EMAC to operate.

* tag 'sunxi-clk-for-4.18' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  clk: sunxi-ng: r40: export a regmap to access the GMAC register
  clk: sunxi-ng: r40: rewrite init code to a platform driver
  clk: sunxi-ng: add support for H6 PRCM CCU
2018-06-01 10:22:25 -07:00