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After the transition from no media to media FW will clear the
set-phy-cfg data set by the user. Save initial PHY settings and any
settings later requested by the user and use that data to restore PHY
settings on media insertion. Since PHY configuration is now being stored,
replace calls that were calling FW to get the configuration with the saved
copy.
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Chinh T Cao <chinh.t.cao@intel.com>
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The purpose of this override is to give the user an indication of what
the number of the CPU port is (in DSA, the CPU port is a hardware
implementation detail and not a network interface capable of traffic).
However, it has always failed (by design) at providing this information
to the user in a reliable fashion.
Prior to commit 3369afba1e46 ("net: Call into DSA netdevice_ops
wrappers"), the behavior was to only override this callback if it was
not provided by the DSA master.
That was its first failure: if the DSA master itself was a DSA port or a
switchdev, then the user would not see the number of the CPU port in
/sys/class/net/eth0/phys_port_name, but the number of the DSA master
port within its respective physical switch.
But that was actually ok in a way. The commit mentioned above changed
that behavior, and now overrides the master's ndo_get_phys_port_name
unconditionally. That comes with problems of its own, which are worse in
a way.
The idea is that it's typical for switchdev users to have udev rules for
consistent interface naming. These are based, among other things, on
the phys_port_name attribute. If we let the DSA switch at the bottom
to start randomly overriding ndo_get_phys_port_name with its own CPU
port, we basically lose any predictability in interface naming, or even
uniqueness, for that matter.
So, there are reasons to let DSA override the master's callback (to
provide a consistent interface, a number which has a clear meaning and
must not be interpreted according to context), and there are reasons to
not let DSA override it (it breaks udev matching for the DSA master).
But, there is an alternative method for users to retrieve the number of
the CPU port of each DSA switch in the system:
$ devlink port
pci/0000:00:00.5/0: type eth netdev swp0 flavour physical port 0
pci/0000:00:00.5/2: type eth netdev swp2 flavour physical port 2
pci/0000:00:00.5/4: type notset flavour cpu port 4
spi/spi2.0/0: type eth netdev sw0p0 flavour physical port 0
spi/spi2.0/1: type eth netdev sw0p1 flavour physical port 1
spi/spi2.0/2: type eth netdev sw0p2 flavour physical port 2
spi/spi2.0/4: type notset flavour cpu port 4
spi/spi2.1/0: type eth netdev sw1p0 flavour physical port 0
spi/spi2.1/1: type eth netdev sw1p1 flavour physical port 1
spi/spi2.1/2: type eth netdev sw1p2 flavour physical port 2
spi/spi2.1/3: type eth netdev sw1p3 flavour physical port 3
spi/spi2.1/4: type notset flavour cpu port 4
So remove this duplicated, unreliable and troublesome method. From this
patch on, the phys_port_name attribute of the DSA master will only
contain information about itself (if at all). If the users need reliable
information about the CPU port they're probably using devlink anyway.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The call to ice_cfg_phy_fec() requires the caller to perform certain
actions before calling it. Instead of imposing these preconditions move
the operations into the function and perform them ourselves.
Also, fix some style issues in nearby touched code.
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Chinh T Cao <chinh.t.cao@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Create a helper function for configuring requested flow control so that it
can be utilized by other functions looking to configure flow control
settings. Utilize the existing helper ice_copy_phy_caps_to_cfg() to copy a
PHY capability to configuration instead duplicating the code for it.
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add callbacks needed to support advanced power management for Wake on LAN.
Also make ice_pf_state_is_nominal function available for all configurations
not just CONFIG_PCI_IOV.
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Using the new ice_aq_list_caps and ice_parse_(dev|func)_caps functions,
replace ice_discover_caps with two functions that each take a pointer to
the dev_caps and func_caps structures respectively.
This makes the side effect of updating the hw->dev_caps and
hw->func_caps obvious from reading the implementation of the function.
Additionally, it opens the way for enabling reading of device
capabilities outside of the initialization flow. By passing in
a pointer, another caller will be able to read the capabilities without
modifying the HW capabilities structures.
As there are no other callers, it is safe to now remove
ice_aq_discover_caps and ice_parse_caps.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The ice_parse_caps function is used to convert the capability block data
coming from firmware into a structured format used by other parts of the
code.
The current implementation directly updates the hw->func_caps and
hw->dev_caps structures. It is directly called from within
ice_aq_discover_caps. This causes the discover_caps function to have the
side effect of modifying the HW capability structures, which is not
intuitive.
Split this function into ice_parse_dev_caps and ice_parse_func_caps.
These functions will take a pointer to the dev_caps and func_caps
respectively. Also create an ice_parse_common_caps for sharing the
capability logic that is common to device and function.
Doing so enables a future refactor to allow reading and parsing
capabilities into a local caps structure instead of modifying the
members of the HW structure directly.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The ice_discover_caps function is used to read the device and function
capabilities, updating the hardware capabilities structures with
relevant data.
The exact number of capabilities returned by the hardware is unknown
ahead of time. The AdminQ command will report the total number of
capabilities in the return buffer.
The current implementation involves requesting capabilities once,
reading this returned size, and then re-requested with that size.
This isn't really necessary. The firmware interface has a maximum size
of ICE_AQ_MAX_BUF_LEN. Firmware can never return more than
ICE_AQ_MAX_BUF_LEN / sizeof(struct ice_aqc_list_caps_elem) capabilities.
Avoid the retry loop by simply allocating a buffer of size
ICE_AQ_MAX_BUF_LEN. This is significantly simpler than retrying. The
extra allocation isn't a big deal, as it will be released after we
finish parsing the capabilities.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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This reverts commit 9ffad9263b467efd8f8dc7ae1941a0a655a2bab2.
Upon additional testing with older servers, it was found that
the original commit introduced a regression when using the old SMB1
dialect and rsyncing over an existing file.
The patch will need to be respun to address this, likely including
a larger refactoring of the SMB1 and SMB3 rename code paths to make
it less confusing and also to address some additional rename error
cases that SMB3 may be able to workaround.
Signed-off-by: Steve French <stfrench@microsoft.com>
Reported-by: Patrick Fernie <patrick.fernie@gmail.com>
CC: Stable <stable@vger.kernel.org>
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
Acked-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux into master
Pull s390 fixes from Heiko Carstens:
- Change cpum_cf/perf counter name from DFLT_CCERROR to DFLT_CCFINISH
to reflect reality and avoid further confusion. This is a user space
visible change therefore the commit has also a stable tag for 5.7,
where this counter was introduced.
- Add Matthew Rosato as s390 IOMMU maintainer.
* tag 's390-5.8-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
MAINTAINERS: add Matthew for s390 IOMMU
s390/cpum_cf,perf: change DFLT_CCERROR counter name
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When I have KASAN enabled on my kernel and I start stressing the
touchscreen my system tends to hang. The touchscreen is one of the
only things that does a lot of big i2c transfers and ends up hitting
the DMA paths in the geni i2c driver. It appears that KASAN adds
enough delay in my system to tickle a race condition in the DMA setup
code.
When the system hangs, I found that it was running the geni_i2c_irq()
over and over again. It had these:
m_stat = 0x04000080
rx_st = 0x30000011
dm_tx_st = 0x00000000
dm_rx_st = 0x00000000
dma = 0x00000001
Notably we're in DMA mode but are getting M_RX_IRQ_EN and
M_RX_FIFO_WATERMARK_EN over and over again.
Putting some traces in geni_i2c_rx_one_msg() showed that when we
failed we were getting to the start of geni_i2c_rx_one_msg() but were
never executing geni_se_rx_dma_prep().
I believe that the problem here is that we are starting the geni
command before we run geni_se_rx_dma_prep(). If a transfer makes it
far enough before we do that then we get into the state I have
observed. Let's change the order, which seems to work fine.
Although problems were seen on the RX path, code inspection suggests
that the TX should be changed too. Change it as well.
Fixes: 37692de5d523 ("i2c: i2c-qcom-geni: Add bus driver for the Qualcomm GENI I2C controller")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Reviewed-by: Akash Asthana <akashast@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Mukesh Kumar Savaliya <msavaliy@codeaurora.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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On R-Car Gen2, we get a timeout when reading from the address set in
ICSAR, even though the slave interface is disabled. Clearing it fixes
this situation. Note that Gen3 is not affected.
To reproduce: bind and undbind an I2C slave on some bus, run
'i2cdetect' on that bus.
Fixes: de20d1857dd6 ("i2c: rcar: add slave support")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Previously TLP may send multiple probes of new data in one
flight. This happens when the sender is cwnd limited. After the
initial TLP containing new data is sent, the sender receives another
ACK that acks partial inflight. It may re-arm another TLP timer
to send more, if no further ACK returns before the next TLP timeout
(PTO) expires. The sender may send in theory a large amount of TLP
until send queue is depleted. This only happens if the sender sees
such irregular uncommon ACK pattern. But it is generally undesirable
behavior during congestion especially.
The original TLP design restrict only one TLP probe per inflight as
published in "Reducing Web Latency: the Virtue of Gentle Aggression",
SIGCOMM 2013. This patch changes TLP to send at most one probe
per inflight.
Note that if the sender is app-limited, TLP retransmits old data
and did not have this issue.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We recently added some bounds checking in ax25_connect() and
ax25_sendmsg() and we so we removed the AX25_MAX_DIGIS checks because
they were no longer required.
Unfortunately, I believe they are required to prevent integer overflows
so I have added them back.
Fixes: 8885bb0621f0 ("AX.25: Prevent out-of-bounds read in ax25_sendmsg()")
Fixes: 2f2a7ffad5c6 ("AX.25: Fix out-of-bounds read in ax25_connect()")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In this test, loopback pkt is created and sent on default queue.
The packet goes until the Multi Port Switch (MPS) just before
the MAC and based on the specified channel number, it either
goes outside the wire on one of the physical ports or looped
back to Rx path by MPS. In this case, we're specifying loopback
channel, instead of physical ports, so the packet gets looped
back to Rx path, instead of getting transmitted on the wire.
v3:
- Modify commit message to include test details.
v2:
- Add only loopback self-test.
Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Tom Parkin says:
====================
l2tp: further checkpatch.pl cleanups
l2tp hasn't been kept up to date with the static analysis checks offered
by checkpatch.pl.
This patchset builds on the series "l2tp: cleanup checkpatch.pl
warnings". It includes small refactoring changes which improve code
quality and resolve a subset of the checkpatch warnings for the l2tp
codebase.
====================
Reviewed-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Passing "sizeof(struct blah)" in kzalloc calls is less readable,
potentially prone to future bugs if the type of the pointer is changed,
and triggers checkpatch warnings.
Tweak the kzalloc calls in l2tp which use this form to avoid the
warning.
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When creating an L2TP tunnel using the netlink API, userspace must
either pass a socket FD for the tunnel to use (for managed tunnels),
or specify the tunnel source/destination address (for unmanaged
tunnels).
Since source/destination addresses may be AF_INET or AF_INET6, the l2tp
netlink code has conditionally compiled blocks to support IPv6.
Rather than embedding these directly into l2tp_nl_cmd_tunnel_create
(where it makes the code difficult to read and confuses checkpatch to
boot) split the handling of address-related attributes into a separate
function.
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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l2tp_nl_tunnel_send has conditionally compiled code to support AF_INET6,
which makes the code difficult to follow and triggers checkpatch
warnings.
Split the code out into functions to handle the AF_INET v.s. AF_INET6
cases, which both improves readability and resolves the checkpatch
warnings.
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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checkpatch warns about indentation and brace balancing around the
conditionally compiled code for AF_INET6 support in
l2tp_dfs_seq_tunnel_show.
By adding another check on the socket address type we can make the code
more readable while removing the checkpatch warning.
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These checks are all simple and don't benefit from extra braces to
clarify intent. Remove them for easier-reading code.
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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checkpatch warns about comparisons to NULL, e.g.
CHECK: Comparison to NULL could be written "!rt"
#474: FILE: net/l2tp/l2tp_ip.c:474:
+ if (rt == NULL) {
These sort of comparisons are generally clearer and more readable
the way checkpatch suggests, so update l2tp accordingly.
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use eth_zero_addr() to clear mac address insetad of memset().
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use eth_zero_addr() to clear mac address insetad of memset().
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Paolo Abeni says:
====================
mptcp: non backup subflows pre-reqs
This series contains a bunch of MPTCP improvements loosely related to
concurrent subflows xmit usage, currently under development.
The first 3 patches are actually bugfixes for issues that will become apparent
as soon as we will enable the above feature.
The later patches improve the handling of incoming additional subflows,
improving significantly the performances in stress tests based on a high new
connection rate.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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So that we can easily perform some basic PM-related
adimission checks before creating the child socket.
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Tested-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tcp_send_active_reset() is more prone to transient errors
(memory allocation or xmit queue full): in stress conditions
the kernel may drop the egress packet, and the client will be
stuck.
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Tested-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When syncookie are in use, the TCP stack may feed into
subflow_syn_recv_sock() plain TCP request sockets. We can't
access mptcp_subflow_request_sock-specific fields on such
sockets. Explicitly check the rsk ops to do safe accesses.
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Tested-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mentioned function has several unneeded branches,
handle each case - MP_CAPABLE, MP_JOIN, fallback -
under a single conditional and drop quite a bit of
duplicate code.
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Tested-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently accepted msk sockets become established only after
accept() returns the new sk to user-space.
As MP_JOIN request are refused as per RFC spec on non fully
established socket, the above causes mp_join self-tests
instabilities.
This change lets the msk entering the established status
as soon as it receives the 3rd ack and propagates the first
subflow fully established status on the msk socket.
Finally we can change the subflow acceptance condition to
take in account both the sock state and the msk fully
established flag.
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Tested-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the unlikely event of a failure at connect time,
we currently clear the request_mptcp flag - so that
the MPC handshake is not started at all, but the msk
is not explicitly marked as fallback.
This would lead to later insertion of wrong DSS options
in the xmitted packets, in violation of RFC specs and
possibly fooling the peer.
Fixes: e1ff9e82e2ea ("net: mptcp: improve fallback to TCP")
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Tested-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When updating a partially acked data fragment, we
actually corrupt it. This is irrelevant till we send
data on a single subflow, as retransmitted data, if
any are discarded by the peer as duplicate, but it
will cause data corruption as soon as we will start
creating non backup subflows.
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Tested-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently we do not init the subflow write sequence for
MP_JOIN subflows. This will cause bad mapping being
generated as soon as we will use non backup subflow.
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Tested-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit adc0daad366b62ca1bce3e2958a40b0b71a8b8b3 ("dm: report suspended
device during destroy") broke integrity recalculation.
The problem is dm_suspended() returns true not only during suspend,
but also during resume. So this race condition could occur:
1. dm_integrity_resume calls queue_work(ic->recalc_wq, &ic->recalc_work)
2. integrity_recalc (&ic->recalc_work) preempts the current thread
3. integrity_recalc calls if (unlikely(dm_suspended(ic->ti))) goto unlock_ret;
4. integrity_recalc exits and no recalculating is done.
To fix this race condition, add a function dm_post_suspending that is
only true during the postsuspend phase and use it instead of
dm_suspended().
Signed-off-by: Mikulas Patocka <mpatocka redhat com>
Fixes: adc0daad366b ("dm: report suspended device during destroy")
Cc: stable vger kernel org # v4.18+
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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Check MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_TRUSTED, before setting
the info, which will hopefully protect us from -EPERM errors
the previous code was gracefully ignoring. Ed reports this
is not the 100% correct bit, but it's the best approximation
we have. Shared code reports the port information back to user
space, so we really want to know what was added and what failed.
Ignoring -EPERM is not an option.
The driver does not call udp_tunnel_get_rx_info(), so its own
management of table state is not really all that problematic,
we can leave it be. This allows the driver to continue with its
copious table syncing, and matching the ports to TX frames,
which it will reportedly do one day.
Leave the feature checking in the callbacks, as the device may
remove the capabilities on reset.
Inline the loop from __efx_ef10_udp_tnl_lookup_port() into
efx_ef10_udp_tnl_has_port(), since it's the only caller now.
With new infra this driver gains port replace - when space frees
up in a full table a new port will be selected for offload.
Plus efx will no longer sleep in an atomic context.
v2:
- amend the commit message about TRUSTED not being 100%
- add TUNNEL_ENCAP_UDP_PORT_ENTRY_INVALID to mark unsed
entries
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-By: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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IOSQE_ASYNC branch of io_queue_sqe() is another place where an
unitialised req->work can be accessed (i.e. prior io_req_init_async()).
Nothing really bad though, it just looses IO_WQ_WORK_CONCURRENT flag.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Newer versions of clang only look for $(COMPAT_GCC_TOOLCHAIN_DIR)as [1],
rather than $(COMPAT_GCC_TOOLCHAIN_DIR)$(CROSS_COMPILE_COMPAT)as,
resulting in the following build error:
$ make -skj"$(nproc)" ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- \
CROSS_COMPILE_COMPAT=arm-linux-gnueabi- LLVM=1 O=out/aarch64 distclean \
defconfig arch/arm64/kernel/vdso32/
...
/home/nathan/cbl/toolchains/llvm-binutils/bin/as: unrecognized option '-EL'
clang-12: error: assembler command failed with exit code 1 (use -v to see invocation)
make[3]: *** [arch/arm64/kernel/vdso32/Makefile:181: arch/arm64/kernel/vdso32/note.o] Error 1
...
Adding the value of CROSS_COMPILE_COMPAT (adding notdir to account for a
full path for CROSS_COMPILE_COMPAT) fixes this issue, which matches the
solution done for the main Makefile [2].
[1]: https://github.com/llvm/llvm-project/commit/3452a0d8c17f7166f479706b293caf6ac76ffd90
[2]: https://lore.kernel.org/lkml/20200721173125.1273884-1-maskray@google.com/
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: stable@vger.kernel.org
Link: https://github.com/ClangBuiltLinux/linux/issues/1099
Link: https://lore.kernel.org/r/20200723041509.400450-1-natechancellor@gmail.com
Signed-off-by: Will Deacon <will@kernel.org>
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git://people.freedesktop.org/~agd5f/linux into drm-fixes
amd-drm-fixes-5.8-2020-07-22:
amdgpu:
- Fix crash when overclocking VegaM
- Fix possible crash when editing dpm levels
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200723032608.3865-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
* sun4i: Fix inverted HPD result; fixes an earlier fix
* lima: fix timeout during reset
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200722070321.GA29190@linux-uq9g
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In the implementation of uld_send(), the skb is consumed on all
execution paths except one. Release skb when returning NET_XMIT_DROP.
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Alexander Lobakin says:
====================
qed, qede: improve chain API and add XDP_REDIRECT support
This series adds missing XDP_REDIRECT case handling in QLogic Everest
Ethernet driver with all necessary prerequisites and ops.
QEDE Tx relies heavily on chain API, so make sure it is in its best
at first.
v2 (from [1]):
- add missing includes to #003 to pass the build on Alpha;
- no functional changes.
[1] https://lore.kernel.org/netdev/20200722155349.747-1-alobakin@marvell.com/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add XDP_REDIRECT case handling and the corresponding NDO to support
redirecting XDP frames. This also includes registering driver memory
model (currently order-0 page mode) in BPF subsystem.
The total number of XDP queues is usually 1:1 with Rx ones.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Current XDP Tx logic is suboptimal and can't be reused for XDP_REDIRECT
path.
Make qede_xdp_{tx_int,xmit}() more universal and effective in general to
allow future expanding.
Misc: use unlikely() hints where appropriate and replace "fallthrough"
comments with pseudo-keywords.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Correct the indentation of net_device_ops declarations for fancier look.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the file more readable and easier for adding new fields.
Misc: use IFNAMSIZ and netdev_name() instead of sizeof_field()
and direct net_device::name dereferencing.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add reverse-variants of qed_chain_get_elem_left{,u32}() to be able to
know current chain occupation. They will be used in the upcoming qede
XDP_REDIRECT code.
They share most of the logics with the mentioned ones, so were reused
to collapse the latters.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Constify chain pointers and refactor qed_chain_get_elem_left{,u32}() a bit.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend current infrastructure to store chain page size in a struct
and use it in all functions instead of fixed QED_CHAIN_PAGE_SIZE.
Its value remains the default one, but can be overridden in
qed_chain_init_params before chain allocation.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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To simplify qed_chain_alloc() prototype and call sites, introduce struct
qed_chain_init_params to specify chain params, and pass a pointer to
filled struct to the actual qed_chain_alloc() instead of a long list
of separate arguments.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fill PBL table parameters for chains with an external PBL data earlier on
qed_chain_init_params() rather than on allocation itself. This simplifies
allocation code and allows to extend struct ext_pbl for other chain types.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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