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to be used in combination with tcp option set support to mimic
iptables TCPMSS --clamp-mss-to-pmtu.
v2: Eric Dumazet points out dst must be initialized.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This allows setting 2 and 4 byte quantities in the tcp option space.
Main purpose is to allow native replacement for xt_TCPMSS to
work around pmtu blackholes.
Writes to kind and len are now allowed at the moment, it does not seem
useful to do this as it causes corruption of the tcp option space.
We can always lift this restriction later if a use-case appears.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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so eval and uncoming eval_set versions can reuse a common helper.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Use audit_log() instead of open-coding it.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The netfilter_queue_init() has been removed.
so we can remove the prototype of that.
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The root4 variable is used only when connlimit extension module has been
stored by the iptables command. and the roo6 variable is used only when
connlimit extension module has been stored by the ip6tables command.
So the root4 and roo6 variable does not be used at the same time.
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Make these const as they are only stored in the type field of a device
structure, which is const.
Done using Coccinelle.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Jakub Kicinski says:
====================
nfp: add basic ethtool callbacks to representors
This set extends the basic ethtool functionality to representor
netdevs. I start with providing link state via ethtool and then
move on to functions such as driver information, statistics and
FW log dump. The series contains a number of clean ups to the
ethtool stats code too, some of the logic is simplified by making
better use of the nfp_port abstraction. The stats we expose on
representors are only the PCIe and MAC port statistics firmware
maintains for us.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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We were reusing skb pointer when reading page frag, since ring
entries contain a union of a skb and frag pointer. This can
be confusing to people reading the code. Refactor the code
to read frag pointer directly.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Data and control vNICs currently use the same area name and
error message. This could lead to confusion. Make sure
the error message says "ctrl" in case of control and the
data area is called "nfp.bar0".
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Representors may be associated with both VFs or more importantly
with physical ports. Allow vNIC and MAC statistics to be read
with ethtool -S on representors. In case of vNICs we reuse
the vNIC statistic helper, we just need to swap RX and TX to
give statistics the "switch perspective."
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the statistics handling code by keeping pointer to vNIC's
config memory in nfp_port. Note that this is referring to the
representor side of vNICs, vNIC side has the pointer in nfp_net.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add reporting of MAC statistics in ethtool. MAC statistics
are read out from the MAC IP and accumulated by application
FW, therefore their presence depends on the application FW.
Add missing defines and string names for the statistics and
dump them in ethtool -S.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Store pointer to device memory containing MAC statistics
in nfp_port. This simplifies representor code and will
be used to dump those statistics in ethtool as well.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for reporting vNIC HW stats on representors
split handling of the SW and HW stats in ethtool -S.
Representors don't have SW stats (since vNIC is assigned
to the VM).
Remove the questionable defines which assume nn variable
exists in the scope.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a helper for printing ethtool strings and advancing the
pointer correctly.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We have been recently called out as a bad example for reporting
standard netdev statistics as part of ethtool. Fix that :)
Removing standard statistics allows us to simplify the structure
holding definitions since we no longer have to mux different types
of statistics.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Users should be able to dump the management FW logs on any
of the driver's netdevs. Make the code only depend on the
nfp_app and share it between vNICs and representors.
Storing the dump flag is simply dropped for now, since we
only support the argument being set to 0.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend representors' ethtool ops to show basic info like firmware
version, driver version, and driver name.
While at it don't set drvinfo.n_stats and drvinfo.regdump_len,
core will invoke appropriate handlers to get those.
A helper is added to turn a netdev into nfp_app for convenience.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Start linking ethtool ops to representors. Begin by adding
a separate ops structure and providing link state. Next
patches will convert appropriate functions to only use nfp_port,
which will make them reusable on representors.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Stephen Hemminger says:
====================
net: sysfs related cleanups
Network sysfs infrastructure changes. Mostly related to using ro_after_init
to make function tables immutable.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make code closer to current style. Mostly whitespace changes.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The XPS queue attributes can be ro_after_init.
Also use __ATTR_RX macros to simplify initialization.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Also fix macro to not have ; at end.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The show and store functions don't need/use the attribute.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The attributes of net devices are immutable.
Ideally, attribute groups would contain const attributes
but there are too many places that do modifications of list
during startup (in other code) to allow that.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This can be const.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The net_class in sysfs is only modified on init.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These functions are wrapper arount class_create_file which can take a
const attribute.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If kobject_init_and_add failed, then the failure path would
decrement the reference count of the queue kobject whose reference
count was already zero.
Fixes: 114cf5802165 ("bql: Byte queue limits")
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Synaptics add new TP firmware ID: 0x2 and 0x3, for now both lower 2 bits
are indicated as TP. Change the constant to bitwise values.
This makes trackpoint to be recognized on Lenovo Carbon X1 Gen5 instead
of it being identified as "PS/2 Generic Mouse".
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Add ELAN0602 to the list of known ACPI IDs to enable support for ELAN
touchpads found in Lenovo Yoga310.
Signed-off-by: KT Liao <kt.liao@emc.com.tw>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Tom Lendacky says:
====================
amd-xgbe: AMD XGBE driver updates 2017-08-17
The following updates are included in this driver update series:
- Set the MDIO mode to clause 45 for the 10GBase-T configuration
- Set the MII control width to 8-bits for speeds less than 1Gbps
- Fix an issue to related to module removal when the devices are up
- Fix ethtool statistics related to packet counting of TSO packets
- Add support for device renaming
- Add additional dynamic debug output for the PCS window calculation
- Optimize reading of DMA channel interrupt enablement register
- Add additional dynamic debug output about the hardware features
- Add per queue Tx and Rx ethtool statistics
- Add a macro to clear ethtool_link_ksettings modes
- Convert the driver to use the ethtool_link_ksettings
- Add support for VXLAN offload capabilities
- Add additional ethtool statistics related to VXLAN
This patch series is based on net-next.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add some additional statistics for tracking VXLAN packets and checksum
errors.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The hardware has the capability to perform checksum offload support
(both Tx and Rx) and TSO support for VXLAN packets. Add the support
required to enable this.
The hardware can only support a single VXLAN port for offload. If more
than one VXLAN port is added then the offload capabilities have to be
disabled and can no longer be advertised.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert from using the old u32 supported, advertising, etc. link settings
to the new link mode settings that support bit positions / settings
greater than 32 bits.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are currently macros to set and test an ETHTOOL_LINK_MODE_ setting,
but not to clear one. Add a macro to clear an ETHTOOL_LINK_MODE_ setting.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add per queue Tx and Rx packet and byte counts.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use the dynamic debug support to output information about the hardware
features reported by the device.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently whenever the driver needs to enable or disable interrupts for
a DMA channel it reads the interrupt enable register (IER), updates the
value and then writes the new value back to the IER. Since the hardware
does not change the IER, software can track this value and elimiate the
need to read it each time.
Add the IER value to the channel related data structure and use that as
the base for enabling and disabling interrupts, thus removing the need
for the MMIO read.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add some additional dynamic debug message to the driver. The new messages
will provide additional information about the PCS window calculation.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Many of the names used by the driver are based upon the name of the device
found during device probe. Move the formatting of the names into the
device open function so that any renaming that occurs before the device is
brought up will be accounted for. This also means moving the creation of
some named workqueues into the device open path.
Add support to register for net events so that if a device is renamed
the corresponding debugfs directory can be renamed.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When transmitting a TSO packet, the driver only increments the TSO packet
statistic by one rather than the number of total packets that were sent.
Update the driver to record the total number of packets that resulted from
TSO transmit.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sometimes when the driver is being unloaded while the devices are still
up the driver can issue errors. This is based on timing and the double
invocation of some routines. The phy_exit() call needs to be run after
the network device has been closed and unregistered from the system.
Also, the phy_exit() does not need to invoke phy_stop() since that will
be called as part of the device closing, so remove that call.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When running in SGMII mode at speeds below 1000Mbps, the auto-negotition
control register must set the MII control width for the MAC interface
to be 8-bits wide. By default the width is 4-bits.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the MDIO mode is set to none for the 10000Base-T, which is
incorrect. The MDIO mode should for this configuration should be
clause 45.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, if vport is zero then then an uninialized return status
in err is returned. Since the only return status at the end of the
function esw_add_uc_addr is zero for the current set of return paths
we may as well just return 0 rather than err to fix this issue.
Detected by CoverityScan, CID#1452698 ("Uninitialized scalar variable")
Fixes: eeb66cdb6826 ("net/mlx5: Separate between E-Switch and MPFS")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As we know in some target's checkentry it may dereference par.entryinfo
to check entry stuff inside. But when sched action calls xt_check_target,
par.entryinfo is set with NULL. It would cause kernel panic when calling
some targets.
It can be reproduce with:
# tc qd add dev eth1 ingress handle ffff:
# tc filter add dev eth1 parent ffff: u32 match u32 0 0 action xt \
-j ECN --ecn-tcp-remove
It could also crash kernel when using target CLUSTERIP or TPROXY.
By now there's no proper value for par.entryinfo in ipt_init_target,
but it can not be set with NULL. This patch is to void all these
panics by setting it with an ipt_entry obj with all members = 0.
Note that this issue has been there since the very beginning.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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