Since userspace can choose now what link to establish the
TDLS on, we should know on what channel to do session protection.
Add a link id parameter to this callback.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230928172905.ef12ce3eb835.If864f406cfd9e24f36a2b88fd13a37328633fcf9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When setting the interface links, ignore the change iff both the
valid links and the dormant links did not change. This is needed
to support cases where the valid links didn't change but the dormant
links did.
Fixes: 6d543b34db ("wifi: mac80211: Support disabled links during association")
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230928172905.0357b6306587.I7dbfec347949b629fea680d246a650d6207ff217@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When the scan parameters for a 6GHz scan specify a unicast
BSSID address, and the corresponding AP is found in the scan
list, add a corresponding entry in the collocated AP list,
so this AP would be directly probed even if it was not
advertised as a collocated AP.
This is needed for handling a scan request that is intended
for a ML probe flow, where user space can requests a scan
to retrieve information for other links in the AP MLD.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230928172905.54b954bc02ad.I1c072793d3d77a4c8fbbc64b4db5cce1bbb00382@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Draft P802.11be_D3.1 added operating class to describe 320 MHz
operation in the 6GHz band. Include this new operating class in
ieee80211_operating_class_to_band().
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230928172905.bed4a007d81b.I3eb4b8fe39c0c1a988c98a103b11a9f45a92b038@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
EMLSR operation and SMPS operation cannot coexist. Thus, when EMLSR is
enabled, all SMPS signaling towards the AP should be stopped (it is
expected that the AP will consider SMPS to be off).
Rename IEEE80211_VIF_DISABLE_SMPS_OVERRIDE to IEEE80211_VIF_EML_ACTIVE
and use the flag as an indication from the driver that EMLSR is enabled.
When EMLSR is enabled SMPS flows towards the AP MLD should be stopped.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230928172905.fb2c2f9a0645.If6df5357568abd623a081f0f33b07e63fb8bba99@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In MLO, we have a per-link debugfs directory which contains the
per-link files. In case of non-MLO we would like to put the per-link
files in the netdev directory to keep it how it was before MLO.
- Upon interface creation the netdev will be created with the per-link
files in it.
- Upon switching to MLO: delete the entire netdev directory and then
recreate it without the per-link files. Then the per-link directories
with the per-link files in it will be created in ieee80211_link_init()
- Upon switching to non-MLO: delete the entire netdev directory
(including the per-link directories) and recreate it with the per-link
files in it.
Note that this also aligns to always call the vif link debugfs
method for the deflink as promised in the documentation, which
wasn't done before.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230928172905.082e698caca9.I5bef7b2026e0f58b4a958b3d1f459ac5baeccfc9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add a callback which the driver can use to add the vif debugfs.
We used to have this back until commit d260ff12e7 ("mac80211:
remove vif debugfs driver callbacks") where we thought that it
will be easier to just add them during interface add/remove.
However, now with multi-link, we want to have proper debugfs
for drivers for multi-link where some files might be in the
netdev for non-MLO connections, and in the links for MLO ones,
so we need to do some reconstruction when switching the mode.
Moving to this new call enables that and MLO drivers will have
to use it for proper debugfs operation.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230928172905.ac38913f6ab7.Iee731d746bb08fcc628fa776f337016a12dc62ac@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We can delete any that we want to remove, but we can't
recreate the links as they already exist.
Fixes: 170cd6a66d ("wifi: mac80211: add netdev per-link debugfs data and driver hook")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230928172905.3d0214838421.I512a0ff86f631ff42bf25ea0cb2e8e8616794a94@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If the association command fails then the authentication is still valid
and it makes sense to keep it alive. Otherwise, we would currently get
into an inconsistent state because mac80211 on the one hand is
disconnected but on the other hand the state is not entirely cleared
and a new authentication could not continue.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230928172905.c9855f46ebc8.I7f3dcd4120a186484a91b87560e9b7201d40984f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We don't (yet) send the IGTK down to the firmware, but when
we do it needs to be with the broadcast station ID, not the
multicast station ID. Same for the BIGTK, which we may send
already if firmware advertises it (but it doesn't yet.)
Fixes: a5de7de7e7 ("wifi: iwlwifi: mvm: enable TX beacon protection")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230926110319.dbc653913353.I82e90c86010f0b9588a180d9835fd11f666f5196@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We can't really know easily if a BIGTK will be used, but
in case firmware supports BIGTK it also supports the very
easy IGTK use (nothing to do on the host), and requires
that we program both IGTK and BIGTK to be able to use the
BIGTK. Thus, change the condition here to set the keys in
firmware (both IGTK/BIGTK) if BIGTK is supported.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230926110319.425ebc1ce484.If485ec962636c23d463b678e7da86e11b6fa86c9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There's a race when the device is unbound (maybe because the
module is unloaded) while the opmode start hasn't finished yet.
The complete(request_firmware_complete) after the opmode start
was meant (and commented accordingly) to prevent this problem,
but it's not sufficient when the opmode module is loaded after
the firmware load already completed, which happens regularly
now because firmware load doesn't require userspace, unlike
module load.
Fix this by using the existing opmode registration mutex to
protected the start/stop flows against each other properly.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230926110319.85951554fed8.I62f20f40d79d0f136fa05e46d7fc16dc437fa3db@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
These retries aren't going to succeed if the device was
deemed dead and needs to be unbound/rebound/... to be
recovered; skip the retries in that case.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230926110319.9f472069d75d.Ib6684c5b2ea8ed98f082c9b0e9bb2b03c3ea4fe3@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The management frames protection flag is always set when the station
is not yet authorized. However, it was not cleared after association
even if the association did not use MFP. As a result, all public
action frames are not parsed by fw (which will cause FTM to fail,
for example). Update the station MFP flag after the station is
authorized.
Fixes: 4c8d5c8d07 ("wifi: iwlwifi: mvm: tell firmware about per-STA MFP enablement")
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230926110319.2488cbd01bde.Ic0f08b7d3efcbdce27ec897f84d740fec8d169ef@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Use bpf_jit_binary_pack_alloc in powerpc jit. The jit engine first
writes the program to the rw buffer. When the jit is done, the program
is copied to the final location with bpf_jit_binary_pack_finalize.
With multiple jit_subprogs, bpf_jit_free is called on some subprograms
that haven't got bpf_jit_binary_pack_finalize() yet. Implement custom
bpf_jit_free() like in commit 1d5f82d9dd ("bpf, x86: fix freeing of
not-finalized bpf_prog_pack") to call bpf_jit_binary_pack_finalize(),
if necessary. As bpf_flush_icache() is not needed anymore, remove it.
Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Acked-by: Song Liu <song@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231020141358.643575-6-hbathini@linux.ibm.com
powerpc64_jit_data is a misnomer as it is meant for both ppc32 and
ppc64. Rename it to powerpc_jit_data.
Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Acked-by: Song Liu <song@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231020141358.643575-5-hbathini@linux.ibm.com
Implement bpf_arch_text_invalidate and use it to fill unused part of
the bpf_prog_pack with trap instructions when a BPF program is freed.
Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Acked-by: Song Liu <song@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231020141358.643575-4-hbathini@linux.ibm.com
bpf_arch_text_copy is used to dump JITed binary to RX page, allowing
multiple BPF programs to share the same page. Use the newly introduced
patch_instructions() to implement it.
Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Acked-by: Song Liu <song@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231020141358.643575-3-hbathini@linux.ibm.com
patch_instruction() entails setting up pte, patching the instruction,
clearing the pte and flushing the tlb. If multiple instructions need
to be patched, every instruction would have to go through the above
drill unnecessarily. Instead, introduce patch_instructions() function
that sets up the pte, clears the pte and flushes the tlb only once
per page range of instructions to be patched. Duplicate most of the
patch_instruction() code instead of merging with it, to avoid the
performance degradation observed on ppc32, for patch_instruction(),
with the code path merged. Also, setup poking_init() always as BPF
expects poking_init() to be setup even when STRICT_KERNEL_RWX is off.
Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Acked-by: Song Liu <song@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231020141358.643575-2-hbathini@linux.ibm.com
There's a single call to local_flush_tlb_page_psize() in the code
patching code. That call is never executed on 32-bit Book3S,
because it's guarded by mm_patch_enabled() which is essentially a
radix_enabled() check, which is always false on 32s.
However depending on how the optimiser sees things it may still trip
over the BUILD_BUG() in the 32s stub of local_flush_tlb_page_psize().
To avoid that, implement it in terms of flush_range() so that if it ever
becomes called it should function, even if not optimally.
Note that flush_range() deals with page aligning the address and so on,
and that 32s doesn't support huge pages so there should be no issue with
non-standard page sizes needing to be flushed.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231023092319.1507325-1-mpe@ellerman.id.au
'err' is useless after break, remove this to save space and
be more clear.
Signed-off-by: Su Hui <suhui@nfschina.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet says:
====================
tcp: add optional usec resolution to TCP TS
As discussed in various public places in 2016, Google adopted
usec resolution in RFC 7323 TS values, at Van Jacobson suggestion.
Goals were :
1) better observability of delays in networking stacks/fabrics.
2) better disambiguation of events based on TSval/ecr values.
3) building block for congestion control modules needing usec resolution.
Back then we implemented a schem based on private SYN options
to safely negotiate the feature.
For upstream submission, we chose to use a much simpler route
attribute because this feature is probably going to be used
in private networks.
ip route add 10/8 ... features tcp_usec_ts
References:
https://www.ietf.org/proceedings/97/slides/slides-97-tcpm-tcp-options-for-low-latency-00.pdfhttps://datatracker.ietf.org/doc/draft-wang-tcpm-low-latency-opt/
First two patches are fixing old minor bugs and might be taken
by stable teams (thanks to appropriate Fixes: tags)
====================
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add the ability to report in tcp_info.tcpi_options if
a flow is using usec resolution in TCP TS val.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Back in 2015, Van Jacobson suggested to use usec resolution in TCP TS values.
This has been implemented in our private kernels.
Goals were :
1) better observability of delays in networking stacks.
2) better disambiguation of events based on TSval/ecr values.
3) building block for congestion control modules needing usec resolution.
Back then we implemented a schem based on private SYN options
to negotiate the feature.
For upstream submission, we chose to use a route attribute,
because this feature is probably going to be used in private
networks [1] [2].
ip route add 10/8 ... features tcp_usec_ts
Note that RFC 7323 recommends a
"timestamp clock frequency in the range 1 ms to 1 sec per tick.",
but also mentions
"the maximum acceptable clock frequency is one tick every 59 ns."
[1] Unfortunately RFC 7323 5.5 (Outdated Timestamps) suggests
to invalidate TS.Recent values after a flow was idle for more
than 24 days. This is the part making usec_ts a problem
for peers following this recommendation for long living
idle flows.
[2] Attempts to standardize usec ts went nowhere:
https://www.ietf.org/proceedings/97/slides/slides-97-tcpm-tcp-options-for-low-latency-00.pdfhttps://datatracker.ietf.org/doc/draft-wang-tcpm-low-latency-opt/
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
tcp_paws_check() uses TCP_PAWS_24DAYS constant to detect if TCP TS
values might have wrapped after a long idle period.
This mechanism is described in RFC 7323 5.5 (Outdated Timestamps)
TCP_PAWS_24DAYS value was based on the assumption of a clock
of 1 Khz.
As we want to adopt a 1 Mhz clock in the future, we reduce
this constant.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This new dst feature flag will be used to allow TCP to use usec
based timestamps instead of msec ones.
ip route .... feature tcp_usec_ts
Also document that RTAX_FEATURE_SACK and RTAX_FEATURE_TIMESTAMP
are unused.
RTAX_FEATURE_ALLFRAG is also going away soon.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Before adding usec TS support, add tcp_rtt_tsopt_us() helper
to factorize code.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This helper returns a TSval from a TCP socket.
It currently calls tcp_time_stamp_ms() but will soon
be able to return a usec based TSval, depending
on an upcoming tp->tcp_usec_ts field.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
tcp_ns_to_ts() is only used once from cookie_init_timestamp().
Also add the 'bool usec_ts' parameter to enable usec TS later.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This helper returns a 32bit TCP TSval from skb->tstamp.
As we are going to support usec or ms units soon, rename it
to tcp_skb_timestamp_ts() and add a boolean to select the unit.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In preparation of usec TCP TS support, remove tcp_time_stamp_raw()
in favor of tcp_clock_ts() helper. This helper will return a suitable
32bit result to feed TS values, depending on a socket field.
Also add tcp_tw_tsval() and tcp_rsk_tsval() helpers to factorize
the details.
We do not yet support usec timestamps.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It delivers current TCP time stamp in ms unit, and is used
in place of confusing tcp_time_stamp_raw()
It is the same family than tcp_clock_ns() and tcp_clock_ms().
tcp_time_stamp_raw() will be replaced later for TSval
contexts with a more descriptive name.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In preparation of adding usec TCP TS values, add tcp_time_stamp_ms()
for contexts needing ms based values.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
cookie_init_timestamp() is supposed to return a 64bit timestamp
suitable for both TSval determination and setting of skb->tstamp.
Unfortunately it uses 32bit fields and overflows after
2^32 * 10^6 nsec (~49 days) of uptime.
Generated TSval are still correct, but skb->tstamp might be set
far away in the past, potentially confusing other layers.
tcp_ns_to_ts() is changed to return a full 64bit value,
ts and ts_now variables are changed to u64 type,
and TSMASK is removed in favor of shifts operations.
While we are at it, change this sequence:
ts >>= TSBITS;
ts--;
ts <<= TSBITS;
ts |= options;
to:
ts -= (1UL << TSBITS);
Fixes: 9a568de481 ("tcp: switch TCP TS option (RFC 7323) to 1ms clock")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
tp->rcv_tstamp should be set to tcp_jiffies, not tcp_time_stamp().
Fixes: cc35c88ae4 ("crypto : chtls - CPL handler definition")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ayush Sawal <ayush.sawal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Updates for v6.7
DP:
- use existing helpers for DPCD handling instead of open-coded functions
- set the subconnector type according to the plugged cable / dongle
skip validity check for DP CTS EDID checksum
DPU:
- continued migration of feature flags to use core revision checks
- reworked interrupts code to use '0' as NO_IRQ, removed raw IRQ indices
from log / trace output
gpu:
- a7xx support (a730, a740)
- fixes and additional speedbins for a635, a643
core:
- decouple msm_drv from kms to more cleanly support headless devices (like
imx5+a2xx)
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGvzkBL2_OgyOeP_b6rVEjrNdfm8jcKzaB04HqHyT5jYwA@mail.gmail.com
Signed-off-by: Dave Airlie <airlied@redhat.com>
Just as unevaluatedProperties or additionalProperties are required at
the top level of schemas, they should (and will) also be required for
child node schemas. That ensures only documented properties are
present for any node. Add the missing addtionalProperties to the 'gpio'
child nodes.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20231020170017.3610978-1-robh@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Broadcom pinctrl bindings are incomplete for child nodes as they are
missing 'unevaluatedProperties: false' to prevent unknown properties.
Fixing this reveals many warnings including having grandchild nodes in some
cases. Many cases in the examples use 'group' property which is
undocumented and not used by the driver. As the schemas define 'pins', I
assume that is the correct name except for the one case, 6358, using
'groups' which is documented.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20231020185203.3941590-2-robh@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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BackMerge tag 'v6.6-rc7' into drm-next
This is needed to add the msm pr which is based on a higher base.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Beniamino Galvani says:
====================
net: consolidate IPv6 route lookup for UDP tunnels
At the moment different UDP tunnels rely on different functions for
IPv6 route lookup, and those functions all implement the same
logic.
Extend the generic lookup function so that it is suitable for all UDP
tunnel implementations, and then adapt bareudp, geneve and vxlan to
use it.
This is similar to what already done for IPv4.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The route lookup can be done now via generic function
udp_tunnel6_dst_lookup() to replace the custom implementation in
vxlan6_get_route().
This is similar to what already done for IPv4 in commit 6f19b2c136
("vxlan: use generic function for tunnel IPv4 route lookup").
Suggested-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The route lookup can be done now via generic function
udp_tunnel6_dst_lookup() to replace the custom implementation in
geneve_get_v6_dst().
This is similar to what already done for IPv4 in commit daa2ba7ed1
("geneve: use generic function for tunnel IPv4 route lookup").
Suggested-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
