In commit be47e41d77 ("tipc: fix use-after-free in tipc_nametbl_stop")
we fixed a problem caused by premature release of service range items.
That fix is correct, and solved the problem. However, it doesn't address
the root of the problem, which is that we don't lookup the tipc_service
-> service_range -> publication items in the correct hierarchical
order.
In this commit we try to make this right, and as a side effect obtain
some code simplification.
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since net ns of tun device is assigned on the device creation,
and it never changes, we do not need to use any lock to get it
from alive tun.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Davidlohr Bueso says:
====================
net: Update static keys to modern api
The following patches update pretty much all core net static key users
to the modern api. Changes are mostly trivial conversion without affecting
any semantics. The motivation is a resend of patches 1 and 2 from a while[1]
back, and the rest are added patches, specific for -net.
Applies against today's linux-next. Compile tested only.
[1] lkml.kernel.org/r/20180326210929.5244-1-dave@stgolabs.net
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
No changes in refcount semantics -- key init is false; replace
static_key_enable with static_branch_enable
static_key_slow_inc|dec with static_branch_inc|dec
static_key_false with static_branch_unlikely
Added a '_key' suffix to udp and udpv6 encap_needed, for better
self documentation.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
No changes in refcount semantics -- key init is false; replace
static_key_slow_inc|dec with static_branch_inc|dec
static_key_false with static_branch_unlikely
Added a '_key' suffix to generic_xdp_needed, for better self
documentation.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
No changes in refcount semantics -- key init is false; replace
static_key_slow_inc|dec with static_branch_inc|dec
static_key_false with static_branch_unlikely
Added a '_key' suffix to netstamp_needed, for better self
documentation.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
No changes in semantics -- key init is false; replace
static_key_slow_inc|dec with static_branch_inc|dec
static_key_false with static_branch_unlikely
Added a '_key' suffix to both ingress_needed and egress_needed,
for better self documentation.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
No changes in refcount semantics -- key init is false; replace
static_key_slow_inc|dec with static_branch_inc|dec
static_key_false with static_branch_unlikely
Added a '_key' suffix to memalloc_socks, for better self
documentation.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
No changes in refcount semantics -- key init is false; replace
static_key_slow_inc|dec with static_branch_inc|dec
static_key_false with static_branch_unlikely
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The 88E6141/6341 switches (also known as Topaz) have 1 SGMII lane,
which can be configured the same way as the SERDES lane on 88E6390.
Signed-off-by: Marek Behun <marek.behun@nic.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds support for U32 filter by using an HW only feature called
Flexible RX Parser. This allow us to match any given packet field with a
pattern and accept/reject or even route the packet to a specific DMA
channel.
Right now we only support acception or rejection of frame and we only
support simple rules. Though, the Parser has the flexibility of jumping to
specific rules as an if condition so complex rules can be established.
This is only supported in GMAC5.10+.
The following commands can be used to test this code:
1) Setup an ingress qdisk:
# tc qdisc add dev eth0 handle ffff: ingress
2) Setup a filter (e.g. filter by IP):
# tc filter add dev eth0 parent ffff: protocol ip u32 match ip \
src 192.168.0.3 skip_sw action drop
In every tests performed we always used the "skip_sw" flag to make sure
only the RX Parser was involved.
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: Vitor Soares <soares@synopsys.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Jakub Kicinski <kubakici@wp.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds support of hardware rx-vlan-offload to VF driver.
VF uses mailbox to convey PF to configure the hardware.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add driver for Microchip LAN87XX T1 PHYs
This patch support driver for Microchp T1 PHYs.
There will be followup patches to this driver to support T1 PHY
features such as cable diagnostics, signal quality indicator(SQI),
sleep and wakeup (TC10) support.
Signed-off-by: Nisar Sayed <Nisar.Sayed@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
mlx5 core driver misc cleanups and updates:
- fix spelling mistake: "modfiy" -> "modify"
- Cleanup unused field in Work Queue parameters
- dump_command mailbox length printed
- Refactor num of blocks in mailbox calculation
- Decrease level of prints about non-existent MKEY
- remove some extraneous spaces in indentations
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Merge tag 'mlx5-updates-2018-05-07' of git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux
Saeed Mahameed says:
====================
mlx5-updates-2018-05-07
mlx5 core driver misc cleanups and updates:
- fix spelling mistake: "modfiy" -> "modify"
- Cleanup unused field in Work Queue parameters
- dump_command mailbox length printed
- Refactor num of blocks in mailbox calculation
- Decrease level of prints about non-existent MKEY
- remove some extraneous spaces in indentations
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexander Duyck says:
====================
UDP GSO Segmentation clean-ups
This patch set addresses a number of issues I found while sorting out
enabling UDP GSO Segmentation support for ixgbe/ixgbevf. Specifically there
were a number of issues related to the checksum and such that seemed to
cause either minor irregularities or kernel panics in the case of the
offload request being allowed to traverse between name spaces.
With this set applied I am was able to get UDP GSO traffic to pass over
vxlan tunnels in both offloaded modes and non-offloaded modes for ixgbe and
ixgbevf.
I submitted the driver specific patches earlier as an RFC:
https://patchwork.ozlabs.org/project/netdev/list/?series=42477&archive=both&state=*
v2: Updated patches based on feedback from Eric Dumazet
Split first patch into several patches based on feedback from Eric
v3: Drop patch that was calling pskb_may_pull as it was redundant.
Added code to use MANGLED_0 in case of UDP checksum
Drop patch adding NETIF_F_GSO_UDP_L4 to list of GSO software offloads
Added Acked-by for patches reviewed by Willem and not changed
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch makes it so that if a destructor is not present we avoid trying
to update the skb socket or any reference counting that would be associated
with the NULL socket and/or descriptor. By doing this we can support
traffic coming from another namespace without any issues.
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds support for a software provided checksum and GSO_PARTIAL
segmentation support. With this we can offload UDP segmentation on devices
that only have partial support for tunnels.
Since we are no longer needing the hardware checksum we can drop the checks
in the segmentation code that were verifying if it was present.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch allows us to take care of unrolling the first segment and the
last segment of the loop for processing the segmented skb. Part of the
motivation for this is that it makes it easier to process the fact that the
first fame and all of the frames in between should be mostly identical
in terms of header data, and the last frame has differences in the length
and partial checksum.
In addition I am dropping the header length calculation since we don't
really need it for anything but the last frame and it can be easily
obtained by just pulling the data_len and offset of tail from the transport
header.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch is meant to allow us to avoid having to recompute the checksum
from scratch and have it passed as a parameter.
Instead of taking that approach we can take advantage of the fact that the
length that was used to compute the existing checksum is included in the
UDP header.
Finally to avoid the need to invert the result we can just call csum16_add
and csum16_sub directly. By doing this we can avoid a number of
instructions in the loop that is handling segmentation.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There is no point in passing MSS as a parameter for for the GSO
segmentation call as it is already available via the shared info for the
skb itself.
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We need to record the number of segments that will be generated when this
frame is segmented. The expectation is that if gso_size is set then
gso_segs is set as well. Without this some drivers such as ixgbe get
confused if they attempt to offload this as they record 0 segments for the
entire packet instead of the correct value.
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If the example binding is used on a real dts file, the following DTC
warning is seen with W=1:
arch/arm/boot/dts/imx6q-b450v3.dtb: Warning (avoid_unnecessary_addr_size): /mdio-gpio/switch@0: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property
Remove unnecessary #address-cells/#size-cells to improve the binding
document examples.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When computing the bitrate using values read from an SFP module EEPROM,
we use the nominal BR plus BR,min and BR,max to determine the
boundaries. But in some cases BR,min and BR,max aren't provided, which
led the SFP code to end up having the nominal value for both the minimum
and maximum bitrate values. When using a passive cable, the nominal
value should be used as the maximum one, and there is no minimum one
so we should use 0.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Chan says:
====================
bnxt_en: Fixes for net-next.
This series includes a bug fix for a regression in firmware message polling
introduced recently on net-next. There are 3 additional minor fixes for
unsupported link speed checking, VF MAC address handling, and setting
PHY eeprom length.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The current code already forwards the VF MAC address to the PF, except
in one case. If the VF driver gets a valid MAC address from the firmware
during probe time, it will not forward the MAC address to the PF,
incorrectly assuming that the PF already knows the MAC address. This
causes "ip link show" to show zero VF MAC addresses for this case.
This assumption is not correct. Newer firmware remembers the VF MAC
address last used by the VF and provides it to the VF driver during
probe. So we need to always forward the VF MAC address to the PF.
The forwarded MAC address may now be the PF assigned MAC address and so we
need to make sure we approve it for this case.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For SFP+ modules, 0xA2 page is available only when Diagnostic Monitoring
Type [Address A0h, Byte 92] is implemented. Extend bnxt_get_module_info(),
to read optical diagnostics support at offset 92(0x5c) and set eeprom_len
length to ETH_MODULE_SFF_8436_LEN (to exclude A2 page), if dianostics is
not supported.
Also in bnxt_get_module_info(), module id is read from offset 0x5e which
is not correct. It was working by accident, as offset was not effective
without setting enables flag in the firmware request. SFP module id is
present at location 0. Fix this by removing the offset and read it
from location 0.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Only non-NPAR PFs need to actively check and manage unsupported link
speeds. NPAR functions and VFs do not control the link speed and
should skip the unsupported speed detection logic, to avoid warning
messages from firmware rejecting the unsupported firmware calls.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A recent change to reduce delay granularity waiting for firmware
reponse has caused a regression. With a tighter delay loop,
the driver may see the beginning part of the response faster.
The original 5 usec delay to wait for the rest of the message
is not long enough and some messages are detected as invalid.
Increase the maximum wait time from 5 usec to 20 usec. Also, fix
the debug message that shows the total delay time for the response
when the message times out. With the new logic, the delay time
is not fixed per iteration of the loop, so we define a macro to
show the total delay time.
Fixes: 9751e8e714 ("bnxt_en: reduce timeout on initial HWRM calls")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds PCI device IDs to support 25GE and 100GE card:
1. Add device id 0x0201 for HINIC 100GE dual port card.
2. Add device id 0x0200 for HINIC 25GE dual port card.
3. Macro of device id 0x1822 is modified for HINIC 25GE quad port card.
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This change fixes a couple of type mismatch reported by the sparse
tool, explicitly using the requested type for the offending arguments.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the core networking needs to detect the transport offset in a given
packet and parse it explicitly, a full-blown flow_keys struct is used for
storage.
This patch introduces a smaller keys store, rework the basic flow dissect
helper to use it, and apply this new helper where possible - namely in
skb_probe_transport_header(). The used flow dissector data structures
are renamed to match more closely the new role.
The above gives ~50% performance improvement in micro benchmarking around
skb_probe_transport_header() and ~30% around eth_get_headlen(), mostly due
to the smaller memset. Small, but measurable improvement is measured also
in macro benchmarking.
v1 -> v2: use the new helper in eth_get_headlen() and skb_get_poff(),
as per DaveM suggestion
Suggested-by: David Miller <davem@davemloft.net>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tariq Toukan says:
====================
net/ipv6 misc
This patchset contains two patches for net/ipv6.
Patch 1 is a trivial typo fix in documentation.
Patch 2 by Eran is a re-spin. It adds GRO support for IPv6 GRE tunnel,
this significantly improves performance in case GRO in native interface
is disabled.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add GRO capability for IPv6 GRE tunnel and ip6erspan tap, via gro_cells
infrastructure.
Performance testing: 55% higher badwidth.
Measuring bandwidth of 1 thread IPv4 TCP traffic over IPv6 GRE tunnel
while GRO on the physical interface is disabled.
CPU: Intel Xeon E312xx (Sandy Bridge)
NIC: Mellanox Technologies MT27700 Family [ConnectX-4]
Before (GRO not working in tunnel) : 2.47 Gbits/sec
After (GRO working in tunnel) : 3.85 Gbits/sec
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
CC: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix 'an' into 'and', and use a comma instead of a period.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sudarsana Reddy Kalluru says:
====================
qed*: Add support for new multi partitioning modes.
The patch series simplifies the multi function (MF) mode implementation of
qed/qede drivers, and adds support for new MF modes.
Please consider applying it to net-next branch.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds driver changes for supporting the Unified Fabric Port
(UFP). This is a new paritioning mode wherein MFW provides the set of
parameters to be used by the device such as traffic class, outer-vlan
tag value, priority type etc. Drivers receives this info via notifications
from mfw and configures the hardware accordingly.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The patch adds support for new Multi function mode wherein the traffic
classification is done based on the 802.1ad tagging and the outer vlan tag
provided by the management firmware.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The data member 'is_mf_default' is not used by the qed/qede drivers,
removing the same.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
`mf_mode' field indicates the multi-partitioning mode the device is
configured to. This method doesn't scale very well, adding a new MF mode
requires going over all the existing conditions, and deciding whether those
are needed for the new mode or not.
The patch defines a set of bit-fields for modes which are derived according
to the mode info shared by the MFW and all the configuration would be made
according to those. To add a new mode, there would be a single place where
we'll need to go and choose which bits apply and which don't.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The v9fs_get_trans_by_name(char *s) variable name is not "name" but "s".
Signed-off-by: Sun Lianwen <sunlw.fnst@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The vlan_flags enum is defined in include/uapi/linux/if_vlan.h file.
not in include/linux/if_vlan.h file.
Signed-off-by: Sun Lianwen <sunlw.fnst@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Minor conflict, a CHECK was placed into an if() statement
in net-next, whilst a newline was added to that CHECK
call in 'net'. Thanks to Daniel for the merge resolution.
Signed-off-by: David S. Miller <davem@davemloft.net>
Support setting the link speed of CN23XX-225 cards (which can do 25Gbps or
10Gbps) via ethtool_ops.set_link_ksettings.
Also fix the function assigned to ethtool_ops.get_link_ksettings to use the
new link_ksettings api completely (instead of partially via
ethtool_convert_legacy_u32_to_link_mode).
Signed-off-by: Weilin Chang <weilin.chang@cavium.com>
Acked-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sebastian Andrzej Siewior says:
====================
3c59x patches and the removal of an unused function
The first patch removes an unused function. The goal of remaining three
patches is to get rid of the local_irq_save() usage in the driver which
benefits -RT.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When vortex_boomerang_interrupt() is invoked from vortex_tx_timeout() or
poll_vortex() interrupts must be disabled. This detaches the interrupt
disable logic from locking which requires patching for PREEMPT_RT.
The advantage of avoiding spin_lock_irqsave() in the interrupt handler is
minimal, but converting it removes all the extra code for callers which
come not from interrupt context.
Cc: Steffen Klassert <klassert@mathematik.tu-chemnitz.de>
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Locking is done in the same way in _vortex_interrupt() and
_boomerang_interrupt(). To prevent duplication, move the locking into the
calling vortex_boomerang_interrupt() function.
No functional change.
Cc: Steffen Klassert <klassert@mathematik.tu-chemnitz.de>
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
If vp->full_bus_master_tx is set, vp->full_bus_master_rx is set as well
(see vortex_probe1()). Therefore the conditionals for the decision if
boomerang or vortex ISR is executed have the same result. Instead of
repeating the explicit conditional execution of the boomerang/vortex ISR,
move it into an own function.
No functional change.
Cc: Steffen Klassert <klassert@mathematik.tu-chemnitz.de>
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 67db3e4bfb ("tcp: no longer hold ehash lock while calling
tcp_get_info()") removes the only users of u64_stats_update_end/begin_raw()
without removing the function in header file.
Remove no longer used functions.
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The generated files udpgso* shouldn't be part of TEST_PROGS, they are
used by udpgso.sh and udpgsp_bench.sh. They should be added to the
TEST_GEN_FILES to get installed without being added to the main
run_kselftest.sh script.
Fixes: 3a687bef14 ("selftests: udp gso benchmark")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>