Alex Elder says:
====================
net: ipa: two fixes
This small series makes two fixes to the IPA code:
- While reviewing something else I found that one of the resource
limits on the SDM845 used the wrong value. The first patch
fixes this. The correct value allocates more resources of this
type for IPA to use, and otherwise does not change behavior.
- When the IPA-resident microcontroller starts up it generates an
event, which triggers an AP interrupt. The event merely
provides some information for logging, which we don't support.
We already ignore the event, and that's harmless. So this
patch explicitly ignores it rather than issuing a warning when
it occurs.
====================
Link: https://lore.kernel.org/r/20201112121157.19784-1-elder@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The IPA-resident microcontroller has the ability to log various
activity in an area of IPA shared memory. When the microcontroller
starts it generates an event to the AP to provide information about
the log.
We don't support reading this log, and we can safely ignore the
event. So do that rather than treating the log info event we
receive as "unsupported."
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
I have discovered that the maximum number of source packet contexts
configured for SDM845 is incorrect. Fix this error.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Edward Cree says:
====================
sfc: further EF100 encap TSO features
This series adds support for GRE and GRE_CSUM TSO on EF100 NICs, as
well as improving the handling of UDP tunnel TSO.
====================
Link: https://lore.kernel.org/r/eda2de73-edf2-8b92-edb9-099ebda09ebc@solarflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We can treat SKB_GSO_GRE almost exactly the same as UDP tunnels, except
that we don't want to edit the outer UDP len (as there isn't one).
For SKB_GSO_GRE_CSUM, we have to use GSO_PARTIAL as the device doesn't
support offload of non-UDP outer L4 checksums.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Martin Habets <mhabets@solarflare.com>
Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
By asking the HW for the correct edits, we can make UDP tunnel TSO
work without needing GSO_PARTIAL. So don't specify it in our
netdev->gso_partial_features.
However, retain GSO_PARTIAL support, as this will be used for other
protocols later.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Martin Habets <mhabets@solarflare.com>
Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
Our TSO descriptors got even more fussy.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Martin Habets <mhabets@solarflare.com>
Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
Alex Elder says:
====================
net: ipa: GSI register consolidation
This series rearranges and consolidates some GSI register
definitions. Its general aim is to make things more
consistent, by:
- Using enumerated types to define the values held in GSI register
fields
- Defining field values in "gsi_reg.h", together with the
definition of the register (and field) that holds them
- Format enumerated type members consistently, with hexidecimal
numeric values, and assignments aligned on the same column
There is one checkpatch "CHECK" warning requesting a blank line; I
ignored that because my intention was to group certain definitions.
====================
Link: https://lore.kernel.org/r/20201110215922.23514-1-elder@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Replace constants defined with an "_FVAL" suffix with values defined
in enumerated types, to be consistent with other usage in the driver.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The gsi_ch_cmd_opcode, gsi_evt_cmd_opcode, and gsi_generic_cmd_opcode
enumerated types are values that fields in the GSI command registers
can take on. Move their definitions out of "gsi.c" and into "gsi_reg.h",
alongside the definition of registers they are associated with.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The gsi_err_code and gsi_err_type enumerated types are values that
fields in the GSI ERROR_LOG register can take on. Move their
definitions out of "gsi.c" and into "gsi_reg.h", alongside the
definition of the ERROR_LOG register offset and field symbols.
Drop the "_ERR" suffix in the names of the gsi_err_code members.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The gsi_channel_type enumerated type define values used for the
channel type/protocol for event rings and channels. Move its
definition out of "gsi.c" and into "gsi_reg.h", alongside the
definition of the CH_C_CNTXT_0 register offset and its fields.
Add a comment near the definition of the EV_CH_E_CNTXT_0 register
indicating this type is used for its EV_CHTYPE field.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The numeric values that represent the event ring channel type are
identical to the values that represent the matching protocol used
for a channel. Use a new gsi_channel_type enumerated type to
represent the values programmed for both cases, using "CHANNEL_TYPE"
in member names in place of "EVT_CHTYPE" and "CHANNEL_PROTOCOL".
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Define the GSI global interrupt types with an enumerated type whose
values are the bit positions representing the global interrupt types.
Similarly, define the GSI general interrupt types with an enumerated
type whose values are the bit positions of general interrupt types.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Replace strncpy() with strscpy(), fixes the following warning:
In function 'bearer_name_validate',
inlined from 'tipc_enable_bearer' at net/tipc/bearer.c:246:7:
net/tipc/bearer.c:141:2: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation]
strncpy(name_copy, name, TIPC_MAX_BEARER_NAME);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Wenlin Kang <wenlin.kang@windriver.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Link: https://lore.kernel.org/r/20201112093442.8132-1-wenlin.kang@windriver.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* injection/radiotap updates for new test capabilities
* remove WDS support - even years ago when we turned
it off by default it was already basically unusable
* support for HE (802.11ax) rates for beacons
* support for some vendor-specific HE rates
* many other small features/cleanups
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Merge tag 'mac80211-next-for-net-next-2020-11-13' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
Some updates:
* injection/radiotap updates for new test capabilities
* remove WDS support - even years ago when we turned
it off by default it was already basically unusable
* support for HE (802.11ax) rates for beacons
* support for some vendor-specific HE rates
* many other small features/cleanups
* tag 'mac80211-next-for-net-next-2020-11-13' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next: (21 commits)
nl80211: fix kernel-doc warning in the new SAE attribute
cfg80211: remove WDS code
mac80211: remove WDS-related code
rt2x00: remove WDS code
b43legacy: remove WDS code
b43: remove WDS code
carl9170: remove WDS code
ath9k: remove WDS code
wireless: remove CONFIG_WIRELESS_WDS
mac80211: assure that certain drivers adhere to DONT_REORDER flag
mac80211: don't overwrite QoS TID of injected frames
mac80211: adhere to Tx control flag that prevents frame reordering
mac80211: add radiotap flag to assure frames are not reordered
mac80211: save HE oper info in BSS config for mesh
cfg80211: add support to configure HE MCS for beacon rate
nl80211: fix beacon tx rate mask validation
nl80211/cfg80211: fix potential infinite loop
cfg80211: Add support to calculate and report 4096-QAM HE rates
cfg80211: Add support to configure SAE PWE value to drivers
ieee80211: Add definition for WFA DPP
...
====================
Link: https://lore.kernel.org/r/20201113101148.25268-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Sleepable hooks are never called from an NMI/interrupt context, so it
is safe to use the bpf_d_path helper in LSM programs attaching to these
hooks.
The helper is not restricted to sleepable programs and merely uses the
list of sleepable hooks as the initial subset of LSM hooks where it can
be used.
Signed-off-by: KP Singh <kpsingh@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20201113005930.541956-3-kpsingh@chromium.org
Update the set of sleepable hooks with the ones that do not trigger
a warning with might_fault() when exercised with the correct kernel
config options enabled, i.e.
DEBUG_ATOMIC_SLEEP=y
LOCKDEP=y
PROVE_LOCKING=y
This means that a sleepable LSM eBPF program can be attached to these
LSM hooks. A new helper method bpf_lsm_is_sleepable_hook is added and
the set is maintained locally in bpf_lsm.c
Signed-off-by: KP Singh <kpsingh@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20201113005930.541956-2-kpsingh@chromium.org
Martin KaFai says:
====================
This set is to allow the FENTRY/FEXIT/RAW_TP tracing program to use
bpf_sk_storage. The first two patches are a cleanup. The last patch is
tests. Patch 3 has the required kernel changes to
enable bpf_sk_storage for FENTRY/FEXIT/RAW_TP.
Please see individual patch for details.
v2:
- Rename some of the function prefix from sk_storage to bpf_sk_storage
- Use prefix check instead of substr check
====================
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This patch tests storing the task's related info into the
bpf_sk_storage by fentry/fexit tracing at listen, accept,
and connect. It also tests the raw_tp at inet_sock_set_state.
A negative test is done by tracing the bpf_sk_storage_free()
and using bpf_sk_storage_get() at the same time. It ensures
this bpf program cannot load.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20201112211320.2587537-1-kafai@fb.com
This patch enables the FENTRY/FEXIT/RAW_TP tracing program to use
the bpf_sk_storage_(get|delete) helper, so those tracing programs
can access the sk's bpf_local_storage and the later selftest
will show some examples.
The bpf_sk_storage is currently used in bpf-tcp-cc, tc,
cg sockops...etc which is running either in softirq or
task context.
This patch adds bpf_sk_storage_get_tracing_proto and
bpf_sk_storage_delete_tracing_proto. They will check
in runtime that the helpers can only be called when serving
softirq or running in a task context. That should enable
most common tracing use cases on sk.
During the load time, the new tracing_allowed() function
will ensure the tracing prog using the bpf_sk_storage_(get|delete)
helper is not tracing any bpf_sk_storage*() function itself.
The sk is passed as "void *" when calling into bpf_local_storage.
This patch only allows tracing a kernel function.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20201112211313.2587383-1-kafai@fb.com
Rename some of the functions currently prefixed with sk_storage
to bpf_sk_storage. That will make the next patch have fewer
prefix check and also bring the bpf_sk_storage.c to a more
consistent function naming.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: KP Singh <kpsingh@google.com>
Link: https://lore.kernel.org/bpf/20201112211307.2587021-1-kafai@fb.com
sk_storage_charge() is the only user of omem_charge().
This patch simplifies it by folding omem_charge() into
sk_storage_charge().
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Acked-by: KP Singh <kpsingh@google.com>
Link: https://lore.kernel.org/bpf/20201112211301.2586255-1-kafai@fb.com
Alexei Starovoitov says:
====================
v1->v2:
- removed set-but-unused variable.
- added Jiri's Tested-by.
In some cases LLVM uses the knowledge that branch is taken to optimze the code
which causes the verifier to reject valid programs.
Teach the verifier to recognize that
r1 = skb->data;
r1 += 10;
r2 = skb->data_end;
if (r1 > r2) {
here r1 points beyond packet_end and subsequent
if (r1 > r2) // always evaluates to "true".
}
====================
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Add few assembly tests for packet comparison.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20201111031213.25109-4-alexei.starovoitov@gmail.com
This patch adds the verifier support to recognize inlined branch conditions.
The LLVM knows that the branch evaluates to the same value, but the verifier
couldn't track it. Hence causing valid programs to be rejected.
The potential LLVM workaround: https://reviews.llvm.org/D87428
can have undesired side effects, since LLVM doesn't know that
skb->data/data_end are being compared. LLVM has to introduce extra boolean
variable and use inline_asm trick to force easier for the verifier assembly.
Instead teach the verifier to recognize that
r1 = skb->data;
r1 += 10;
r2 = skb->data_end;
if (r1 > r2) {
here r1 points beyond packet_end and
subsequent
if (r1 > r2) // always evaluates to "true".
}
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20201111031213.25109-2-alexei.starovoitov@gmail.com
When working on the rp_filter problem, I didn't realise that disabling
it on the network devices didn't cover all cases: rp_filter could also
be enabled globally in the namespace, in which case it would drop
packets, even if the net device has rp_filter=0.
Fixes: 1ccd58331f ("selftests: disable rp_filter when testing bareudp")
Fixes: bbbc7aa45e ("selftests: add test script for bareudp tunnels")
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Link: https://lore.kernel.org/r/f2d459346471f163b239aa9d63ce3e2ba9c62895.1605107012.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Ido Schimmel says:
====================
mlxsw: spectrum: Prepare for XM implementation - prefix insertion and removal
Jiri says:
This is a preparation patchset for follow-up support of boards with
extended mezzanine (XM), which is going to allow extended (scale-wise)
router offload.
XM requires a separate PRM register named XMDR to be used instead of
RALUE to insert/update/remove FIB entries. Therefore, this patchset
extends the previously introduces low-level ops to be able to have
XM-specific FIB entry config implementation.
Currently the existing original RALUE implementation is moved to "basic"
low-level ops.
Unlike legacy router, insertion/update/removal of FIB entries into XM
could be done in bulks up to 4 items in a single PRM register write.
That is why this patchset implements "an op context", that allows the
future XM ops implementation to squash multiple FIB events to single
register write. For that, the way in which the FIB events are processed
by the work queue has to be changed.
The conversion from 1:1 FIB event - work callback call to event queue is
implemented in patch #3.
Patch #4 introduces "an op context" that will allow in future to squash
multiple FIB events into one XMDR register write. Patch #12 converts it
from stack to be allocated per instance.
Existing RALUE manipulations are pushed to ops in patch #10.
Patch #13 is introducing a possibility for low-level implementation to
have per FIB entry private memory.
The rest of the patches are either cosmetics or smaller preparations.
====================
Link: https://lore.kernel.org/r/20201110094900.1920158-1-idosch@idosch.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Follow-up patchset introducing XMDR implementation is going to need
to distinguish write and update ops. Therefore introduce "update op"
and call "write op" only when new FIB entry is inserted.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In case bulking is used, the entry that was previously added may not
be yet committed to the HW as it waits in the queue for bulk send. For
such entries, skip the deletion.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Prepare for the low-level ops that need to store some data alongside
the fib_entry and introduce a per-fib_entry priv for ll ops.
The priv is reference counted as in the follow-up patch it is going
to be saved in pack() function and used later on in commit() even in
case the related fib_entry gets freed in the middle.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Get the max size needed for FIB entry op context and allocate it once
for the instance. Use it repeatedly from the scheduled work.
By this, allow to extend the context to hold more data than it is wise
to do when it was on the stack. Make sure to signalize that the context
needs to be initialized in case families of subsequent FIB entries differ.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
For XMDR register it is possible to carry multiple FIB entry
operations in a single write. However the FW does not restrict mixing
the types of operations, make the code easier and indicate the bulking
is ok only in case the bulk contains FIB operations of the same family
and event.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
With follow-up introduction of XM implementation, XMDR register is
going to be optionally used instead of RALUE register. Push the RALUE
packing helpers and write call into low-level router ops.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Unify the RALUE register payload packing and use the
__mlxsw_sp_fib_entry_ralue_pack() helper from
__mlxsw_sp_router_set_abort_trap().
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In preparation for the change that is going to be done in the next
patch, allow to pass NULL pointer to mlxsw_reg_ralue_pack4() and
mlxsw_reg_ralue_pack6() helpers.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Instead of passing destination IP as a u32 value, pass it as pointer to
u32. Avoid using local variable for the pointer store.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
As the RALUE packing is going to be put into op, make the user from
IPIP code use the same helper as the router code does.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
As the RALUE packing is going to be pushed into an op, in preparation
for that push the code into a separate function in the meantime.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently, RALUE payload is defined locally in the function that is
calling the register write. With introduction of alternative register to
RALUE, XMDR, it has to be possible to put multiple FIB entry
operations into single register write.
So in order to prepare for that, have per-work entry operation context
and propagate it all the way down to the functions writing RALUE.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently, every FIB event is queued-up as a separate work to be
processed. However, that allows to process only one FIB entry per work
callback.
In preparation of future XMDR register bulking of multiple FIB entries,
convert to FIB event queue. Implement this by a list_head, adding new
events to the end of the list in the FIB notify callback. That allows to
process multiple events from the list inside the work callback.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Since the write/delete of FIB entry is going to be implemented by XMDR
register for XM implementation, introduce RALUE-independent enum for op
so the enum could be used in both RALUE and XMDR.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Don't pass RALXX register enum and rather pass enum mlxsw_sp_l3proto
to __mlxsw_sp_router_set_abort_trap(). This is in preparation to fib
entry pack implementation by XMDR register.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix kconfig warning when CONFIG_NET is not set/enabled:
WARNING: unmet direct dependencies detected for SKB_EXTENSIONS
Depends on [n]: NET [=n]
Selected by [y]:
- KCOV [=y] && ARCH_HAS_KCOV [=y] && (CC_HAS_SANCOV_TRACE_PC [=y] || GCC_PLUGINS [=n])
Fixes: 6370cc3bbd ("net: add kcov handle to skb extensions")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Aleksandr Nogikh <nogikh@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20201110175746.11437-1-rdunlap@infradead.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Heiner Kallweit says:
====================
net: switch further drivers to core functionality for handling per-cpu byte/packet counters
Switch further drivers to core functionality for handling per-cpu
byte/packet counters. All changes are compile-tested only.
====================
Link: https://lore.kernel.org/r/5fbe3a1f-6625-eadc-b1c9-f76f78debb94@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Replace usbnet_get_stats64() with new identical core function
dev_get_tstats64() in all users and remove usbnet_get_stats64().
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Use netdev->tstats instead of a member of usbnet for storing a pointer
to the per-cpu counters. This allows us to use core functionality for
statistics handling.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Use netdev->tstats instead of a member of qtnf_vif for storing a pointer
to the per-cpu counters. This allows us to use core functionality for
statistics handling.
The driver sets netdev->needs_free_netdev, therefore freeing the per-cpu
counters at the right point in time is a little bit tricky. Best option
seems to be to use the ndo_init/ndo_uninit callbacks.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Jakub Kicinski