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Sebastien Boeuf says:
====================
Enhance virtio-vsock connection semantics
This series improves the semantics behind the way virtio-vsock server
accepts connections coming from the client. Whenever the server
receives a connection request from the client, if it is bound to the
socket but not yet listening, it will answer with a RST packet. The
point is to ensure each request from the client is quickly processed
so that the client can decide about the strategy of retrying or not.
The series includes along with the improvement patch a new test to
ensure the behavior is consistent across all hypervisors drivers.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Whenever the server side of vsock is binding to the socket, but not
listening yet, we expect the behavior from the client to be identical to
what happens when the server is not even started.
This new test runs the server side so that it binds to the socket
without ever listening to it. The client side will try to connect and
should receive an ECONNRESET error.
This new test provides a way to validate the previously introduced patch
for making sure the server side will always answer with a RST packet in
case the client requested a new connection.
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Whenever the vsock backend on the host sends a packet through the RX
queue, it expects an answer on the TX queue. Unfortunately, there is one
case where the host side will hang waiting for the answer and might
effectively never recover if no timeout mechanism was implemented.
This issue happens when the guest side starts binding to the socket,
which insert a new bound socket into the list of already bound sockets.
At this time, we expect the guest to also start listening, which will
trigger the sk_state to move from TCP_CLOSE to TCP_LISTEN. The problem
occurs if the host side queued a RX packet and triggered an interrupt
right between the end of the binding process and the beginning of the
listening process. In this specific case, the function processing the
packet virtio_transport_recv_pkt() will find a bound socket, which means
it will hit the switch statement checking for the sk_state, but the
state won't be changed into TCP_LISTEN yet, which leads the code to pick
the default statement. This default statement will only free the buffer,
while it should also respond to the host side, by sending a packet on
its TX queue.
In order to simply fix this unfortunate chain of events, it is important
that in case the default statement is entered, and because at this stage
we know the host side is waiting for an answer, we must send back a
packet containing the operation VIRTIO_VSOCK_OP_RST.
One could say that a proper timeout mechanism on the host side will be
enough to avoid the backend to hang. But the point of this patch is to
ensure the normal use case will be provided with proper responsiveness
when it comes to establishing the connection.
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
A few big new things:
* 802.11 frame encapsulation offload support
* more HE (802.11ax) support, including some for 6 GHz band
* powersave in hwsim, for better testing
Of course as usual there are various cleanups and small fixes.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use list_for_each_entry_safe() instead of list_for_each_safe()
to simplify the code.
Signed-off-by: chenqiwu <chenqiwu@xiaomi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current codebase makes use of the zero-length array language
extension to the C90 standard, but the preferred mechanism to declare
variable-length types such as these ones is a flexible array member[1][2],
introduced in C99:
struct foo {
int stuff;
struct boo array[];
};
By making use of the mechanism above, we will get a compiler warning
in case the flexible array does not occur last in the structure, which
will help us prevent some kind of undefined behavior bugs from being
inadvertenly introduced[3] to the codebase from now on.
This issue was found with the help of Coccinelle.
[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://github.com/KSPP/linux/issues/21
[3] commit 76497732932f ("cxgb3/l2t: Fix undefined behaviour")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The alarm function hadn't been supported by PTP clock driver.
The recommended solution PHC + phc2sys + nanosleep provides
best performance. So drop the code of alarm in ptp_qoriq driver.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Subject says it all.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Commit 0290bd291cc0 ("netdev: pass the stuck queue to the timeout handler")
introduced a new argument to the function but missed adding the description
of the argument to the function header comment. Add it now.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Compiling with gcc-9.2.1 with W=1 points out warnings about the improper
function parameter list. Fix it.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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"fallthrough" comments are used in switch case statements to explicitly
indicate the code is intended to fall through to the following statement.
Different variants of "fallthough" are acceptable, e.g. "fall through",
"fallthrough", "Fall-through". The GCC compiler has an optional warning
(-Wimplicit-fallthrough[=n]) to warn when such a comment is not present;
the default version of which is enabled when compiling the Linux kernel.
There have been recent discussions in kernel mailing lists regarding
replacing non-standardized "fallthrough" comments with the pseudo-reserved
word 'fallthrough' which will be defined as __attribute__ ((fallthrough))
for versions of gcc that support it (i.e. gcc 7 and newer) or as a nop
for versions that do not. Replace "fallthrough" comments with fallthrough
reserved word.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Fallthrough comments are used to explicitly indicate the code is intended
to flow from one case statement to the next in a switch statement rather
than break out of the switch statement. They are only needed when a case
has one or more statements to execute before falling through to the next
case, not when there is a list of cases for which the same statement(s)
should be executed.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently in ice_vc_ena_qs_msg() we are incorrectly validating the
virtchnl queue select bitmaps. The virtchnl_queue_select rx_queues and
tx_queue bitmap is being compared against ICE_MAX_BASE_QS_PER_VF, but
the problem is that these bitmaps can have a value greater than
ICE_MAX_BASE_QS_PER_VF. Fix this by comparing the bitmaps against
BIT(ICE_MAX_BASE_QS_PER_VF).
Also, add the function ice_vc_validate_vqs_bitmaps() that checks to see
if both virtchnl_queue_select bitmaps are empty along with checking that
the bitmaps only have valid bits set. This function can then be used in
both the queue enable and disable flows.
Arkady Gilinksky's patch on the intel-wired-lan mailing list
("i40e/iavf: Fix msg interface between VF and PF") made me
aware of this issue.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently when a VF driver sends the PF a request to disable Rx queues
we will disable them one at a time, even if the VF driver sent us a
batch of queues to disable. This is causing issues where the Rx queue
disable times out with LFC enabled. This can be improved by detecting
when the VF is trying to disable all of its queues.
Also remove the variable num_qs_ena from the ice_vf structure as it was
only used to see if there were no Rx and no Tx queues active. Instead
add a function that checks if both the vf->rxq_ena and vf->txq_ena
bitmaps are empty.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently we are not handling LAN overflow events. There can be cases
where LAN overflow events occur on VF queues, especially with Link Flow
Control (LFC) enabled on the controlling PF. In order to recover from
the LAN overflow event caused by a VF we need to determine if the queue
belongs to a VF and reset that VF accordingly.
The struct ice_aqc_event_lan_overflow returns a copy of the GLDCB_RTCTQ
register, which tells us what the queue index is in the global/device
space. The global queue index needs to first be converted to a PF space
queue index and then it can be used to find if a VF owns it.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently in ice_vsi_get_qs() we set the mapping_mode for Tx and Rx to
vsi->[tx|rx]_mapping_mode, but the problem is vsi->[tx|rx]_mapping_mode
have not been set yet. This was working because ICE_VSI_MAP_CONTIG is
defined to 0. Fix this by being explicit with our mapping mode by
initializing the Tx and Rx structure's mapping_mode to
ICE_VSI_MAP_CONTIG and then setting the vsi->[tx|rx]_mapping_mode to the
[tx|rx]_qs_cfg.mapping_mode values.
Also, only assign the vsi->[tx|rx]_mapping_mode when the queues are
successfully mapped to the VSI. With this change there was no longer a
need to initialize the ret variable to 0 so remove that.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently when we enable/disable all Rx queues we do the following
sequence for each Rx queue and then move to the next queue.
1. Enable/Disable the Rx queue via register write.
2. Read the configuration register to determine if the Rx queue was
enabled/disabled successfully.
In some cases enabling/disabling queue 0 fails because of step 2 above.
Fix this by doing step 1 for all of the Rx queues and then step 2 for
all of the Rx queues.
Also, there are cases where we enable/disable a single queue (i.e.
SR-IOV and XDP) so add a new function that does step 1 and 2 above with
a read flush in between.
This change also required a single Rx queue to be enabled/disabled with
and without waiting for the change to propagate through hardware. Fix
this by adding a boolean wait flag to the necessary functions.
Also, add the keywords "one" and "all" to distinguish between
enabling/disabling a single Rx queue and all Rx queues respectively.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently the VF can see other's broadcast and multicast traffic because
it always has a VLAN filter for VLAN 0. Fix this by removing/adding the
VF's VLAN 0 filter when a port VLAN is added/removed respectively.
This required a few changes.
1. Move where we add VLAN 0 by default for the VF into
ice_alloc_vsi_res() because this is when we determine if a port VLAN is
present for load and reset.
2. Moved where we kill the old port VLAN filter in
ice_set_vf_port_vlan() to the very end of the function because it allows
us to save the old port VLAN configuration upon any failure case.
3. During adding/removing of a port VLAN via ice_set_vf_port_vlan() we
also need to remove/add the VLAN 0 filter rule respectively.
4. Improve log messages.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently when configuring a port VLAN for a VF we are only shifting the
QoS bits by 12. This is incorrect. Fix this by getting rid of the ICE
specific VLAN defines and use the kernel VLAN defines instead.
Also, don't assign a value to vlanprio until the VLAN ID and QoS
parameters have been validated.
Also, there are many places we do (le16_to_cpu(vsi->info.pvid) &
VLAN_VID_MASK). Instead do (vf->port_vlan_info & VLAN_VID_MASK) because
we always save what's stored in vsi->info.pvid to vf->port_vlan_info in
the CPU's endianness.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The check for vf->link_up is incorrect because this field is only valid if
vf->link_forced is true. Fix this by adding the helper ice_is_vf_link_up()
to determine if the VF's link is up.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently ice_vsi_manage_pvid() calls
ice_vsi_[set|kill]_pvid_fill_ctxt() when enabling/disabling a port VLAN
on a VSI respectively. These two functions have some duplication so just
move their unique pieces inline in ice_vsi_manage_pvid() and then the
duplicate code can be reused for both the enabling/disabling paths.
Before this patch the info.pvid field was not being written
correctly via ice_vsi_kill_pvid_fill_ctxt() so it was being hard coded
to 0 in ice_set_vf_port_vlan(). Fix this by setting the info.pvid field
to 0 before calling ice_vsi_update() in ice_vsi_manage_pvid().
We currently use vf->port_vlan_id to keep track of the port VLAN
ID and QoS, which is a bit misleading. Fix this by renaming it to
vf->port_vlan_info. Also change the name of the argument for
ice_vsi_manage_pvid() from vid to pvid_info.
In ice_vsi_manage_pvid() only save the fields that were modified
in the VSI properties structure on success instead of the entire thing.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Allow support for S-Tag + C-Tag VLAN traffic by disabling pruning when
there are no 0x8100 VLAN interfaces currently created on top of the PF.
When an 0x8100 VLAN interface is configured, enable pruning and only
support single and double C-Tag VLAN traffic. If all of the 0x8100
interfaces that were created on top of the PF are removed via
ethtool -K <iface> rx-vlan-filter off or via ip tools, then disable
pruning and allow S-Tag + C-Tag traffic again.
Add VLAN 0 filter by default for the PF. This is because a bridge
sets the default_pvid to 1, sends the request down to
ice_vlan_rx_add_vid(), and we never get the request to add VLAN 0 via
the 8021q module which causes all untagged traffic to be dropped.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Pull networking fixes from David Miller:
1) Fix interrupt name truncation in mv88e6xxx dsa driver, from Andrew
Lunn.
2) Process generic XDP even if SKB is cloned, from Toke Høiland-Jørgensen.
3) Fix leak of kernel memory to userspace in smc, from Eric Dumazet.
4) Add some missing netlink attribute validation to matchall and
flower, from Davide Caratti.
5) Send icmp responses properly when NAT has been applied to the frame
before we get to the tunnel emitting the icmp, from Jason Donenfeld.
6) Make sure there is enough SKB headroom when adding dsa tags for qca
and ar9331. From Per Forlin.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (62 commits)
netdevice.h: fix all kernel-doc and Sphinx warnings
net: dsa: tag_ar9331: Make sure there is headroom for tag
net: dsa: tag_qca: Make sure there is headroom for tag
net, ip6_tunnel: enhance tunnel locate with link check
net/smc: no peer ID in CLC decline for SMCD
net/smc: transfer fasync_list in case of fallback
net: hns3: fix a copying IPv6 address error in hclge_fd_get_flow_tuples()
net: hns3: fix VF bandwidth does not take effect in some case
net: hns3: add management table after IMP reset
mac80211: fix wrong 160/80+80 MHz setting
cfg80211: add missing policy for NL80211_ATTR_STATUS_CODE
xfrm: interface: use icmp_ndo_send helper
wireguard: device: use icmp_ndo_send helper
sunvnet: use icmp_ndo_send helper
gtp: use icmp_ndo_send helper
icmp: introduce helper for nat'd source address in network device context
net/sched: flower: add missing validation of TCA_FLOWER_FLAGS
net/sched: matchall: add missing validation of TCA_MATCHALL_FLAGS
net/flow_dissector: remove unexist field description
page_pool: refill page when alloc.count of pool is zero
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"Fix three issues related to the handling of wakeup events signaled
through the ACPI SCI while suspended to idle (Rafael Wysocki) and
unexport an internal cpufreq variable (Yangtao Li)"
* tag 'pm-5.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: PM: s2idle: Prevent spurious SCIs from waking up the system
ACPICA: Introduce acpi_any_gpe_status_set()
ACPI: PM: s2idle: Avoid possible race related to the EC GPE
ACPI: EC: Fix flushing of pending work
cpufreq: Make cpufreq_global_kobject static
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The only common change is the regression fix of the previous PCM fix
patch for managed buffers while the rest are usual suspects, USB-audio
and HD-audio device-specific quirks.
The change for UAC2 clock validation workaround became a bit big, but
the changes are fairly straightforward"
* tag 'sound-5.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: pcm: Fix double hw_free calls
ALSA: usb-audio: Add clock validity quirk for Denon MC7000/MCX8000
ALSA: hda/realtek - Fix silent output on MSI-GL73
ALSA: hda/realtek - Add more codec supported Headset Button
ALSA: usb-audio: Apply sample rate quirk for Audioengine D1
ALSA: usb-audio: Fix UAC2/3 effect unit parsing
ALSA: usb-audio: Apply 48kHz fixed rate playback for Jabra Evolve 65 headset
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Pull drm fixes from Dave Airlie:
"The core has a build fix for edid code on certain compilers/arches/,
one MST fix and one vgem fix. Regular amdgpu fixes, and a couple of
small driver fixes.
The i915 fixes are bit larger than normal for this stage, but they
were having CI issues last week, and they hadn't sent any fixes last
week due to this.
core:
- edid build fix
mst:
- fix NULL ptr deref
vgem:
- fix close after free
msm:
- better dma-api usage
sun4i:
- disable allow_fb_modifiers
amdgpu:
- Additional OD fixes for navi
- Misc display fixes
- VCN 2.5 DPG fix
- Prevent build errors on PowerPC on some configs
- GDS EDC fix
i915:
- dsi/acpi fixes
- gvt locking and allocation fixes
- gem/gt fixes
- bios timing parameters fix"
* tag 'drm-fixes-2020-02-14' of git://anongit.freedesktop.org/drm/drm: (50 commits)
drm/i915: Mark the removal of the i915_request from the sched.link
drm/i915/execlists: Reclaim the hanging virtual request
drm/i915/execlists: Take a reference while capturing the guilty request
drm/i915/execlists: Offline error capture
drm/i915/gt: Allow temporary suspension of inflight requests
drm/i915: Keep track of request among the scheduling lists
drm/i915/gem: Tighten checks and acquiring the mmap object
drm/i915: Fix preallocated barrier list append
drm/i915/gt: Acquire ce->active before ce->pin_count/ce->pin_mutex
drm/i915: Tighten atomicity of i915_active_acquire vs i915_active_release
drm/i915: Stub out i915_gpu_coredump_put
drm/amdgpu:/navi10: use the ODCAP enum to index the caps array
drm/amdgpu: update smu_v11_0_pptable.h
drm/amdgpu: correct comment to clear up the confusion
drm/amd/display: DCN2.x Do not program DPPCLK if same value
drm/amd/display: Don't map ATOM_ENABLE to ATOM_INIT
drm/amdgpu/vcn2.5: fix warning
drm/amdgpu: limit GDS clearing workaround in cold boot sequence
drm/amdgpu: fix amdgpu pmu to use hwc->config instead of hwc->conf
amdgpu: Prevent build errors regarding soft/hard-float FP ABI tags
...
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Eliminate all kernel-doc and Sphinx warnings in
<linux/netdevice.h>. Fixes these warnings:
../include/linux/netdevice.h:2100: warning: Function parameter or member 'gso_partial_features' not described in 'net_device'
../include/linux/netdevice.h:2100: warning: Function parameter or member 'l3mdev_ops' not described in 'net_device'
../include/linux/netdevice.h:2100: warning: Function parameter or member 'xfrmdev_ops' not described in 'net_device'
../include/linux/netdevice.h:2100: warning: Function parameter or member 'tlsdev_ops' not described in 'net_device'
../include/linux/netdevice.h:2100: warning: Function parameter or member 'name_assign_type' not described in 'net_device'
../include/linux/netdevice.h:2100: warning: Function parameter or member 'ieee802154_ptr' not described in 'net_device'
../include/linux/netdevice.h:2100: warning: Function parameter or member 'mpls_ptr' not described in 'net_device'
../include/linux/netdevice.h:2100: warning: Function parameter or member 'xdp_prog' not described in 'net_device'
../include/linux/netdevice.h:2100: warning: Function parameter or member 'gro_flush_timeout' not described in 'net_device'
../include/linux/netdevice.h:2100: warning: Function parameter or member 'xdp_bulkq' not described in 'net_device'
../include/linux/netdevice.h:2100: warning: Function parameter or member 'xps_cpus_map' not described in 'net_device'
../include/linux/netdevice.h:2100: warning: Function parameter or member 'xps_rxqs_map' not described in 'net_device'
../include/linux/netdevice.h:2100: warning: Function parameter or member 'qdisc_hash' not described in 'net_device'
../include/linux/netdevice.h:3552: WARNING: Inline emphasis start-string without end-string.
../include/linux/netdevice.h:3552: WARNING: Inline emphasis start-string without end-string.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Per Forlin says:
====================
net: dsa: Make sure there is headroom for tag
Sorry for re-posting yet another time....
I manage to include multiple email-senders and forgot to include cover-letter.
Let's hope everyhthing is in order this time.
Fix two tag drivers to make sure there is headroom for the tag data.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Passing tag size to skb_cow_head will make sure
there is enough headroom for the tag data.
This change does not introduce any overhead in case there
is already available headroom for tag.
Signed-off-by: Per Forlin <perfn@axis.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Passing tag size to skb_cow_head will make sure
there is enough headroom for the tag data.
This change does not introduce any overhead in case there
is already available headroom for tag.
Signed-off-by: Per Forlin <perfn@axis.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With ipip, it is possible to create an extra interface explicitly
attached to a given physical interface:
# ip link show tunl0
4: tunl0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN mode DEFAULT group default qlen 1000
link/ipip 0.0.0.0 brd 0.0.0.0
# ip link add tunl1 type ipip dev eth0
# ip link show tunl1
6: tunl1@eth0: <NOARP> mtu 1480 qdisc noop state DOWN mode DEFAULT group default qlen 1000
link/ipip 0.0.0.0 brd 0.0.0.0
But it is not possible with ip6tnl:
# ip link show ip6tnl0
5: ip6tnl0@NONE: <NOARP> mtu 1452 qdisc noop state DOWN mode DEFAULT group default qlen 1000
link/tunnel6 :: brd ::
# ip link add ip6tnl1 type ip6tnl dev eth0
RTNETLINK answers: File exists
This patch aims to make it possible by adding link comparaison in both
tunnel locate and lookup functions; we also modify mtu calculation when
attached to an interface with a lower mtu.
This permits to make use of x-netns communication by moving the newly
created tunnel in a given netns.
Signed-off-by: William Dauchy <w.dauchy@criteo.com>
Reviewed-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
Just a few fixes:
* avoid running out of tracking space for frames that need
to be reported to userspace by using more bits
* fix beacon handling suppression by adding some relevant
elements to the CRC calculation
* fix quiet mode in action frames
* fix crash in ethtool for virt_wifi and similar
* add a missing policy entry
* fix 160 & 80+80 bandwidth to take local capabilities into
account
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Karsten Graul says:
====================
net/smc: fixes for -net
Fix a syzbot finding and a problem with the CLC handshake content.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Just SMCR requires a CLC Peer ID, but not SMCD. The field should be
zero for SMCD.
Fixes: c758dfddc1b5 ("net/smc: add SMC-D support in CLC messages")
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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SMC does not work together with FASTOPEN. If sendmsg() is called with
flag MSG_FASTOPEN in SMC_INIT state, the SMC-socket switches to
fallback mode. To handle the previous ioctl FIOASYNC call correctly
in this case, it is necessary to transfer the socket wait queue
fasync_list to the internal TCP socket.
Reported-by: syzbot+4b1fe8105f8044a26162@syzkaller.appspotmail.com
Fixes: ee9dfbef02d18 ("net/smc: handle sockopts forcing fallback")
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Huazhong Tan says:
====================
net: hns3: fixes for -net
This series includes three bugfixes for the HNS3 ethernet driver.
[patch 1] fixes a management table lost issue after IMP reset.
[patch 2] fixes a VF bandwidth configuration not work problem.
[patch 3] fixes a problem related to IPv6 address copying.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The IPv6 address defined in struct in6_addr is specified as
big endian, but there is no specified endian in struct
hclge_fd_rule_tuples, so it will cause a problem if directly
use memcpy() to copy ipv6 address between these two structures
since this field in struct hclge_fd_rule_tuples is little endian.
This patch fixes this problem by using be32_to_cpu() to convert
endian of IPv6 address of struct in6_addr before copying.
Fixes: d93ed94fbeaf ("net: hns3: add aRFS support for PF")
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When enabling 4 TC after setting the bandwidth of VF, the bandwidth
of VF will resume to default value, because of the qset resources
changed in this case.
This patch fixes it by using a fixed VF's qset resources according to
HNAE3_MAX_TC macro.
Fixes: ee9e44248f52 ("net: hns3: add support for configuring bandwidth of VF on the host")
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the current process, the management table is missing after the
IMP reset. This patch adds the management table to the reset process.
Fixes: f5aac71c0327 ("net: hns3: add manager table initialization for hardware")
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* pm-cpufreq:
cpufreq: Make cpufreq_global_kobject static
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Currently a mac80211 driver can only set the txq_limit when using
wake_tx_queue. Not all drivers use wake_tx_queue. This patch adds a new
element to wiphy allowing a driver to set a custom tx_queue_len and the
code that will apply it in case it is set. The current default is
1000 which is too low for ath11k when doing HE rates.
Signed-off-by: John Crispin <john@phrozen.org>
Link: https://lore.kernel.org/r/20200211122605.13002-1-john@phrozen.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add the definition for Opportunistic Wireless Encryption AKM selector.
Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Link: https://lore.kernel.org/r/20200213131608.10541-3-sergey.matyukevich.os@quantenna.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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With multiple VIFS ath10k, and probably others, tries to find the
minimum txpower for all vifs and uses that when setting txpower in
the firmware.
If a second vif is added and starts to scan, it's txpower is not
initialized yet and it set to zero.
ath10k had a patch to ignore zero values, but then it is impossible
to actually set txpower to zero.
So, instead initialize the txpower to INT_MIN in mac80211, and let
drivers know that means the power has not been set and so should
be ignored.
This should fix regression in:
commit 88407beb1b1462f706a1950a355fd086e1c450b6
Author: Ryan Hsu <ryanhsu@qca.qualcomm.com>
Date: Tue Dec 13 14:55:19 2016 -0800
ath10k: fix incorrect txpower set by P2P_DEVICE interface
Tested on ath10k 9984 with ath10k-ct firmware.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Link: https://lore.kernel.org/r/20191217183057.24586-1-greearb@candelatech.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Before this patch, STA's would set new width of 160/80+80 MHz based on AP capability only.
This is wrong because STA may not support > 80MHz BW.
Fix is to verify STA has 160/80+80 MHz capability before increasing its width to > 80MHz.
The "support_80_80" and "support_160" setting is based on:
"Table 9-272 — Setting of the Supported Channel Width Set subfield and Extended NSS BW
Support subfield at a STA transmitting the VHT Capabilities Information field"
From "Draft P802.11REVmd_D3.0.pdf"
Signed-off-by: Aviad Brikman <aviad.brikman@celeno.com>
Signed-off-by: Shay Bar <shay.bar@celeno.com>
Link: https://lore.kernel.org/r/20200210130728.23674-1-shay.bar@celeno.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The nl80211_policy is missing for NL80211_ATTR_STATUS_CODE attribute.
As a result, for strictly validated commands, it's assumed to not be
supported.
Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Link: https://lore.kernel.org/r/20200213131608.10541-2-sergey.matyukevich.os@quantenna.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v5.6-rc2
Most of these were aimed at a "next fixes" pull already during the merge
window, but there were issues with the baseline I used, which resulted
in a lot of issues in CI. I've regenerated this stuff piecemeal now,
adding gradually to it, and it seems healthy now.
Due to the issues this is much bigger than I'd like. But it was
obviously necessary to take the time to ensure it's not garbage...
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/878sl6yfrn.fsf@intel.com
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git://people.freedesktop.org/~agd5f/linux into drm-fixes
amd-drm-fixes-5.6-2020-02-12:
amdgpu:
- Additional OD fixes for navi
- Misc display fixes
- VCN 2.5 DPG fix
- Prevent build errors on PowerPC on some configs
- GDS EDC fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200212224746.3992-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-next fixes for v5.6:
- Fix build error in drm/edid.
- Plug close-after-free race in vgem_gem_create.
- Handle CONFIG_DMA_API_DEBUG_SG better in drm/msm.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/551b6183-a581-9d12-10a9-24cd929de425@linux.intel.com
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Fixes for v5.6:
- Revert allow_fb_modifiers in sun4i, as it causes a regression for DE2 and DE3.
- Fix null pointer deref in drm_dp_mst_process_up_req().
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/672810c3-4212-0a46-337b-2cb855573fd2@linux.intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Summary below, but it's all reasonably straightforward. There are some
more fixes on the horizon, but nothing disastrous yet.
Summary:
- Fix build when KASLR is enabled but CONFIG_ARCH_RANDOM is not set
- Fix context-switching of SSBS state on systems that implement it
- Fix spinlock compiler warning introduced during the merge window
- Fix incorrect header inclusion (linux/clk-provider.h)
- Use SYSCTL_{ZERO,ONE} instead of rolling our own static variables
- Don't scream if optional SMMUv3 PMU irq is missing
- Remove some unused function prototypes"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: time: Replace <linux/clk-provider.h> by <linux/of_clk.h>
arm64: Fix CONFIG_ARCH_RANDOM=n build
perf/smmuv3: Use platform_get_irq_optional() for wired interrupt
arm64/spinlock: fix a -Wunused-function warning
arm64: ssbs: Fix context-switch when SSBS is present on all CPUs
arm64: use shared sysctl constants
arm64: Drop do_el0_ia_bp_hardening() & do_sp_pc_abort() declarations
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