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Commit 57f230ab04d291 ("xen/netfront: raise max number of slots in
xennet_get_responses()") raised the max number of allowed slots by one.
This seems to be problematic in some configurations with netback using
a larger MAX_SKB_FRAGS value (e.g. old Linux kernel with MAX_SKB_FRAGS
defined as 18 instead of nowadays 17).
Instead of BUG_ON() in this case just fall back to retransmission.
Fixes: 57f230ab04d291 ("xen/netfront: raise max number of slots in xennet_get_responses()")
Cc: stable@vger.kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In inet6_rtm_getroute, since Commit 93531c674315 ("net/ipv6: separate
handling of FIB entries from dst based routes"), it has used rt->from
to dump route info instead of rt.
However for some route like cache, some of its information like flags
or gateway is not the same as that of the 'from' one. It caused 'ip
route get' to dump the wrong route information.
In Jianlin's testing, the output information even lost the expiration
time for a pmtu route cache due to the wrong fib6_flags.
So change to use rt6_info members for dst addr, src addr, flags and
gateway when it tries to dump a route entry without fibmatch set.
v1->v2:
- not use rt6i_prefsrc.
- also fix the gw dump issue.
Fixes: 93531c674315 ("net/ipv6: separate handling of FIB entries from dst based routes")
Reported-by: Jianlin Shi <jishi@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The socket option will be enabled by default to ensure current behaviour
is not changed. This is the same for the IPv4 version.
A socket bound to in6addr_any and a specific port will receive all traffic
on that port. Analogue to IP_MULTICAST_ALL, disable this behaviour, if
one or more multicast groups were joined (using said socket) and only
pass on multicast traffic from groups, which were explicitly joined via
this socket.
Without this option disabled a socket (system even) joined to multiple
multicast groups is very hard to get right. Filtering by destination
address has to take place in user space to avoid receiving multicast
traffic from other multicast groups, which might have traffic on the same
port.
The extension of the IP_MULTICAST_ALL socketoption to just apply to ipv6,
too, is not done to avoid changing the behaviour of current applications.
Signed-off-by: Andre Naujoks <nautsch2@gmail.com>
Acked-By: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Hauke Mehrtens says:
====================
Add support for Lantiq / Intel vrx200 network
This adds basic support for the GSWIP (Gigabit Switch) found in the
VRX200 SoC.
There are different versions of this IP core used in different SoCs, but
this driver was currently only tested on the VRX200 SoC line, for other
SoCs this driver probably need some adoptions to work.
I also plan to add Layer 2 offloading to the DSA driver and later also
layer 3 offloading which is supported by the PPE HW block.
All these patches should go through the net-next tree.
This depends on the patch "MIPS: lantiq: dma: add dev pointer" which
should go into 4.19.
Changes since:
v2:
* Send patch "MIPS: lantiq: dma: add dev pointer" separately
* all: removed return in register write functions
* switch: uses phylink
* switch: uses hardware MDIO auto polling
* switch: use usleep_range() in MDIO busy check
* switch: configure MDIO bus to 2.5 MHz
* switch: disable xMII link when it is not used
* Ethernet: use NAPI for TX cleanups
* Ethernet: enable clock in open callback
* Ethernet: improve skb allocation
* Ethernet: use net_dev->stats
v1:
* Add "MIPS: lantiq: dma: add dev pointer"
* checkpatch fixes a all patches
* Added binding documentation
* use readx_poll_timeout function and ETIMEOUT error code
* integrate GPHY firmware loading into DSA driver
* renamed to NET_DSA_LANTIQ_GSWIP
* removed some needed casts
* added of_device_id.data information about the detected switch
* fixed John's email address
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds the DSA driver for the GSWIP Switch found in the VRX200 SoC.
This switch is integrated in the DSL SoC, this SoC uses a GSWIP version
2.1, there are other SoCs using different versions of this IP block, but
this driver was only tested with the version found in the VRX200.
Currently only the basic features are implemented which will forward all
packages to the CPU and let the CPU do the forwarding. The hardware also
support Layer 2 offloading which is not yet implemented in this driver.
The GPHY FW loaded is now done by this driver and not any more by the
separate driver in drivers/soc/lantiq/gphy.c, I will remove this driver
is a separate patch. to make use of the GPHY this switch driver is
needed anyway. Other SoCs have more embedded GPHYs so this driver should
support a variable number of GPHYs. After the firmware was loaded the
GPHY can be probed on the MDIO bus and it behaves like an external GPHY,
without the firmware it can not be probed on the MDIO bus.
The clock names in the sysctrl.c file have to be changed because the
clocks are now used by a different driver. This should be cleaned up and
a real common clock driver should provide the clocks instead.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds the binding for the GSWIP (Gigabit switch) core found in the
xrx200 / VR9 Lantiq / Intel SoC.
This part takes care of the switch, MDIO bus, and loading the FW into
the embedded GPHYs.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Cc: devicetree@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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This drives the PMAC between the GSWIP Switch and the CPU in the VRX200
SoC. This is currently only the very basic version of the Ethernet
driver.
When the DMA channel is activated we receive some packets which were
send to the SoC while it was still in U-Boot, these packets have the
wrong header. Resetting the IP cores did not work so we read out the
extra packets at the beginning and discard them.
This also adapts the clock code in sysctrl.c to use the default name of
the device node so that the driver gets the correct clock. sysctrl.c
should be replaced with a proper common clock driver later.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds the binding for the PMAC core between the CPU and the GSWIP
switch found on the xrx200 / VR9 Lantiq / Intel SoC.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Cc: devicetree@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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This handles the tag added by the PMAC on the VRX200 SoC line.
The GSWIP uses internally a GSWIP special tag which is located after the
Ethernet header. The PMAC which connects the GSWIP to the CPU converts
this special tag used by the GSWIP into the PMAC special tag which is
added in front of the Ethernet header.
This was tested with GSWIP 2.1 found in the VRX200 SoCs, other GSWIP
versions use slightly different PMAC special tags.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a DMA channel is opened the IRQ should not get activated
automatically, this allows it to pull data out manually without the help
of interrupts. This is needed for a workaround in the vrx200 Ethernet
driver.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Although private data of sound card instance is usually allocated in the
tail of the instance, drivers in ALSA firewire stack allocate the private
data before allocating the instance. In this case, the private data
should be released explicitly at .private_free callback of the instance.
This commit fixes memory leak following to the above design.
Fixes: 6c29230e2a5f ('ALSA: oxfw: delayed registration of sound card')
Cc: <stable@vger.kernel.org> # v4.7+
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Although private data of sound card instance is usually allocated in the
tail of the instance, drivers in ALSA firewire stack allocate the private
data before allocating the instance. In this case, the private data
should be released explicitly at .private_free callback of the instance.
This commit fixes memory leak following to the above design.
Fixes: b610386c8afb ('ALSA: firewire-tascam: deleyed registration of sound card')
Cc: <stable@vger.kernel.org> # v4.7+
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Although private data of sound card instance is usually allocated in the
tail of the instance, drivers in ALSA firewire stack allocate the private
data before allocating the instance. In this case, the private data
should be released explicitly at .private_free callback of the instance.
This commit fixes memory leak following to the above design.
Fixes: 86c8dd7f4da3 ('ALSA: firewire-digi00x: delayed registration of sound card')
Cc: <stable@vger.kernel.org> # v4.7+
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
- Add Tyrel Datwyler as maintainer for PPC64 RPA hotplug (Tyrel
Datwyler)
- Add Gustavo Pimentel as DesignWare PCI maintainer (Joao Pinto)
- Fix a Switchtec Spectre v1 vulnerability (Gustavo A. R. Silva)
- Revert an unnecessary Intel 300 ACS quirk (Mika Westerberg)
- Fix pciehp hot-add/powerfault detection that left indicators in wrong
state (Keith Busch)
- Fix pci_reset_bus() logic error (Dennis Dalessandro)
- Revert IB/hfi1 PCI reset change that caused a deadlock (Dennis
Dalessandro)
- Allow enabling PASID on Root Complex Integrated Endpoints (Felix
Kuehling)
* tag 'pci-v4.19-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: Fix enabling of PASID on RC integrated endpoints
IB/hfi1,PCI: Allow bus reset while probing
PCI: Fix faulty logic in pci_reset_bus()
PCI: pciehp: Fix hot-add vs powerfault detection order
switchtec: Fix Spectre v1 vulnerability
Revert "PCI: Add ACS quirk for Intel 300 series"
MAINTAINERS: Add Gustavo Pimentel as DesignWare PCI maintainer
MAINTAINERS: Add entries for PPC64 RPA PCI hotplug drivers
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Pull IPMI bugfixes from Corey Minyard:
"A few fixes that came around or after the merge window, except for
commit cd2315d471f4 ("ipmi: kcs_bmc: don't change device name") which
is for a driver that very few people use, and those people need the
change"
* tag 'for-linus-4.19' of git://github.com/cminyard/linux-ipmi:
ipmi: Fix NULL pointer dereference in ssif_probe
ipmi: Fix I2C client removal in the SSIF driver
ipmi: Move BT capabilities detection to the detect call
ipmi: Rework SMI registration failure
ipmi: kcs_bmc: don't change device name
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Currently, the CCP driver assumes that the SEV command issued to the PSP
will always return (i.e. it will never hang). But recently, firmware bugs
have shown that a command can hang. Since of the SEV commands are used
in probe routines, this can cause boot hangs and/or loss of virtualization
capabilities.
To protect against firmware bugs, add a timeout in the SEV command
execution flow. If a command does not complete within the specified
timeout then return -ETIMEOUT and stop the driver from executing any
further commands since the state of the SEV firmware is unknown.
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Gary Hook <Gary.Hook@amd.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Document is stale, let's remove it.
Remove TCP congestion document.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Similar with commit 72f6d71e491e6 ("vxlan: add ttl inherit support"),
currently ttl == 0 means "use whatever default value" on geneve instead
of inherit inner ttl. To respect compatibility with old behavior, let's
add a new IFLA_GENEVE_TTL_INHERIT for geneve ttl inherit support.
Reported-by: Jianlin Shi <jishi@redhat.com>
Suggested-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull drm nouveau fixes from Dave Airlie:
"I'm sending this separately as it's a bit larger than I generally like
for one driver, but it does contain a bunch of make my nvidia laptop
not die (runpm) and a bunch to make my docking station and monitor
display stuff (mst) fixes.
Lyude has spent a lot of time on these, and we are putting the fixes
into distro kernels as well asap, as it helps a bunch of standard
Lenovo laptops, so I'm fairly happy things are better than they were
before these patches, but I decided to split them out just for
clarification"
* tag 'drm-fixes-2018-09-12' of git://anongit.freedesktop.org/drm/drm:
drm/nouveau/disp/gm200-: enforce identity-mapped SOR assignment for LVDS/eDP panels
drm/nouveau/disp: fix DP disable race
drm/nouveau/disp: move eDP panel power handling
drm/nouveau/disp: remove unused struct member
drm/nouveau/TBDdevinit: don't fail when PMU/PRE_OS is missing from VBIOS
drm/nouveau/mmu: don't attempt to dereference vmm without valid instance pointer
drm/nouveau: fix oops in client init failure path
drm/nouveau: Fix nouveau_connector_ddc_detect()
drm/nouveau/drm/nouveau: Don't forget to cancel hpd_work on suspend/unload
drm/nouveau/drm/nouveau: Prevent handling ACPI HPD events too early
drm/nouveau: Reset MST branching unit before enabling
drm/nouveau: Only write DP_MSTM_CTRL when needed
drm/nouveau: Remove useless poll_enable() call in drm_load()
drm/nouveau: Remove useless poll_disable() call in switcheroo_set_state()
drm/nouveau: Remove useless poll_enable() call in switcheroo_set_state()
drm/nouveau: Fix deadlocks in nouveau_connector_detect()
drm/nouveau/drm/nouveau: Use pm_runtime_get_noresume() in connector_detect()
drm/nouveau/drm/nouveau: Fix deadlock with fb_helper with async RPM requests
drm/nouveau: Remove duplicate poll_enable() in pmops_runtime_suspend()
drm/nouveau/drm/nouveau: Fix bogus drm_kms_helper_poll_enable() placement
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The MV88E6xxx can have external PHYs attached to certain ports and those
PHYs could even be on different MDIO bus than the one within the switch.
This patch makes sure that ports with such PHYs are configured correctly
according to the information provided by the PHY.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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DIV_ROUND_UP has implemented the code-opened function. Therefore, just
replace the implementation with DIV_ROUND_UP.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Acked-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c: In function 'qlcnic_sriov_pull_bc_msg':
drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c:907:6: warning:
variable 'fw_mbx' set but not used [-Wunused-but-set-variable]
drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c: In function 'qlcnic_sriov_issue_bc_post':
drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c:939:16: warning:
variable 'hdr_size' set but not used [-Wunused-but-set-variable]
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes from David Miller:
1) Fix up several Kconfig dependencies in netfilter, from Martin Willi
and Florian Westphal.
2) Memory leak in be2net driver, from Petr Oros.
3) Memory leak in E-Switch handling of mlx5 driver, from Raed Salem.
4) mlx5_attach_interface needs to check for errors, from Huy Nguyen.
5) tipc_release() needs to orphan the sock, from Cong Wang.
6) Need to program TxConfig register after TX/RX is enabled in r8169
driver, not beforehand, from Maciej S. Szmigiero.
7) Handle 64K PAGE_SIZE properly in ena driver, from Netanel Belgazal.
8) Fix crash regression in ip_do_fragment(), from Taehee Yoo.
9) syzbot can create conditions where kernel log is flooded with
synflood warnings due to creation of many listening sockets, fix
that. From Willem de Bruijn.
10) Fix RCU issues in rds socket layer, from Cong Wang.
11) Fix vlan matching in nfp driver, from Pieter Jansen van Vuuren.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (59 commits)
nfp: flower: reject tunnel encap with ipv6 outer headers for offloading
nfp: flower: fix vlan match by checking both vlan id and vlan pcp
tipc: check return value of __tipc_dump_start()
s390/qeth: don't dump past end of unknown HW header
s390/qeth: use vzalloc for QUERY OAT buffer
s390/qeth: switch on SG by default for IQD devices
s390/qeth: indicate error when netdev allocation fails
rds: fix two RCU related problems
r8169: Clear RTL_FLAG_TASK_*_PENDING when clearing RTL_FLAG_TASK_ENABLED
erspan: fix error handling for erspan tunnel
erspan: return PACKET_REJECT when the appropriate tunnel is not found
tcp: rate limit synflood warnings further
MIPS: lantiq: dma: add dev pointer
netfilter: xt_hashlimit: use s->file instead of s->private
netfilter: nfnetlink_queue: Solve the NFQUEUE/conntrack clash for NF_REPEAT
netfilter: cttimeout: ctnl_timeout_find_get() returns incorrect pointer to type
netfilter: conntrack: timeout interface depend on CONFIG_NF_CONNTRACK_TIMEOUT
netfilter: conntrack: reset tcp maxwin on re-register
qmi_wwan: Support dynamic config on Quectel EP06
ethernet: renesas: convert to SPDX identifiers
...
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Add support for entries which are "sticky", i.e. will not change their port
if they show up from a different one. A new ndm flag is introduced for that
purpose - NTF_STICKY. We allow to set it only to non-local entries.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Andrew Lunn says:
====================
Preparing for phylib linkmodes
phylib currently makes us of a u32 bitmap for advertising, supported,
and link partner capabilities. For a long time, this has been
sufficient, for devices up to 1Gbps. With more MAC/PHY combinations
now supporting speeds greater than 1Gbps, we have run out of
bits. There is the need to replace this u32 with an
__ETHTOOL_DECLARE_LINK_MODE_MASK, which makes use of linux's generic
bitmaps.
This patchset does some of the work preparing for this change. A few
cleanups are applied to PHY drivers. Some MAC drivers directly access
members of phydev which are going to change type. These patches adds
some helpers and swaps MAC drivers to use them, mostly dealing with
Pause configuration.
v3:
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Add missing at in commit message
Change Subject of patch 5
Fix return in from phy_set_asym_pause
Fix kerneldoc in phy_set_pause
v2:
Fixup bad indentation in tg3.c
Rename phy_support_pause() to phy_support_sym_pause()
Also trigger autoneg if the advertising settings have changed.
Rename phy_set_pause() to phy_set_sym_pause()
Use the bcm63xx_enet.c logic, not fec_main.c for validating pause
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rather than have MAC drivers open code the test, add a helper in
phylib. This will help when we change the type of phydev->supported.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ethtool can be used to enable/disable pause. Add a helper to configure
the PHY when Pause is supported.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ethtool can be used to enable/disable pause. Add a helper to configure
the PHY when asym pause is supported.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rather than have the MAC drivers manipulate phydev members, add a
helper function for MACs supporting Pause, but not Asym Pause.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rather than have the MAC drivers manipulate phydev members to indicate
they support Asym Pause, add a helper function.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some MAC hardware cannot support a subset of link modes. e.g. often
1Gbps Full duplex is supported, but Half duplex is not. Add a helper
to remove such a link mode.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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PHY drivers don't indicate they support pause. They expect MAC drivers
to enable its support if the MAC has the needed hardware. Thus MAC
drivers should not mask Pause support, but enable it.
Change a few ANDs to ORs.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The phy supported speed is being used to determine if the MAC should
be configured to 100 or 1G. The masking logic is broken. Instead, look
at 1G supported speeds to enable 1G MAC support.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Many Ethernet MAC drivers want to limit the PHY to only advertise a
maximum speed of 100Mbs or 1Gbps. Rather than using a mask, make use
of the helper function phy_set_max_speed().
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is nothing in this driver which prevents it to be compiled for
other architectures. Add COMPILE_TEST so we get better compile test
coverage.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver indicates it can do 10/100 full and half duplex, plus 1G
Full. The datasheet indicates 1G half is also supported. So make use
of the standard PHY_GBIT_FEATURES.
It could be, this was added because there is a MAC which does not
support 1G half. Bit this is the wrong place to enforce this.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The PHY driver should not indicate that Pause is supported. It is upto
the MAC drive enable it, if it supports Pause frames. So remove it
from the ste10Xp driver.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Messed up when sending pull request and sent an outdated version of
previous patch, this fixes it up to remove warnings.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The supported added for zones in null_blk seem to assume that only rq
based operation is possible. But this depends on the queue_mode setting,
if this is set to 0, then cmd->bio is what we need to be operating on.
Right now any attempt to load null_blk with queue_mode=0 will
insta-crash, since cmd->rq is NULL and null_handle_cmd() assumes it to
always be set.
Make the zoned code deal with bio's instead, or pass in the
appropriate sector/nr_sectors instead.
Fixes: ca4b2a011948 ("null_blk: add zone support")
Tested-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We need to verify that the "data_offset" is within bounds.
Reported-by: Dr Silvio Cesare of InfoSect <silvio.cesare@gmail.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
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Helper bpg_msg_pull_data() can allocate multiple pages while
linearizing multiple scatterlist elements into one shared page.
However, if the shared page has size > PAGE_SIZE, using
copy_page_to_iter() causes below warning.
e.g.
[ 6367.019832] WARNING: CPU: 2 PID: 7410 at lib/iov_iter.c:825
page_copy_sane.part.8+0x0/0x8
To avoid above warning, use __GFP_COMP while allocating multiple
contiguous pages.
Fixes: 015632bb30da ("bpf: sk_msg program helper bpf_sk_msg_pull_data")
Signed-off-by: Tushar Dave <tushar.n.dave@oracle.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Subtraction of pointers was accidentally allowed for unpriv programs
by commit 82abbf8d2fc4. Revert that part of commit.
Fixes: 82abbf8d2fc4 ("bpf: do not allow root to mangle valid pointers")
Reported-by: Jann Horn <jannh@google.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Report in standard netdev stats drops and errors as well as
RX multicast from the FW vNIC counters.
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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Jakub Kicinski says:
====================
nfp: flower: fixes for flower offload
Two fixes for flower matching and tunnel encap. Pieter fixes
VLAN matching if the entire VLAN id is masked out and match
is only performed on the PCP field. Louis adds validation of
tunnel flags for encap, most importantly we should not offload
actions on IPv6 tunnels if it's not supported.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This fixes a bug where ipv6 tunnels would report that it is
getting offloaded to hardware but would actually be rejected
by hardware.
Fixes: b27d6a95a70d ("nfp: compile flower vxlan tunnel set actions")
Signed-off-by: Louis Peens <louis.peens@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previously we only checked if the vlan id field is present when trying
to match a vlan tag. The vlan id and vlan pcp field should be treated
independently.
Fixes: 5571e8c9f241 ("nfp: extend flower matching capabilities")
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When __tipc_dump_start() fails with running out of memory,
we have no reason to continue, especially we should avoid
calling tipc_dump_done().
Fixes: 8f5c5fcf3533 ("tipc: call start and done ops directly in __tipc_nl_compat_dumpit()")
Reported-and-tested-by: syzbot+3f8324abccfbf8c74a9f@syzkaller.appspotmail.com
Cc: Jon Maloy <jon.maloy@ericsson.com>
Cc: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Julian Wiedmann says:
====================
s390/qeth: fixes 2018-09-12
please apply the following qeth fixes for -net.
Patch 1 resolves a regression in an error path, while patch 2 enables
the SG support by default that was newly introduced with 4.19.
Patch 3 takes care of a longstanding problem with large-order
allocations, and patch 4 fixes a potential out-of-bounds access.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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For inbound data with an unsupported HW header format, only dump the
actual HW header. We have no idea how much payload follows it, and what
it contains. Worst case, we dump past the end of the Inbound Buffer and
access whatever is located next in memory.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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