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This patch fixes the wrong logical OR operation by changing it to
bit-wise OR operation.
Fixes: 3bb502f83080 ("drivers: net: xgene: fix statistics counters race condition")
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes the hardware checksum settings by properly program
the classifier. Otherwise, packet may be received with checksum error
on X-Gene1 SoC.
Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patches fixes a typo in the argument to xgene_enet_wr_mdio_csr().
Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that DSA has ageing time limits, specify them when registering a
switch so that out-of-range values are handled correctly by the core.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reported-by: Jason Cobham <jcobham@questertangent.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The configurable priority to traffic class mapping and the user specified
queue ranges are used to configure the traffic class, overriding the
hardware defaults when the 'hw' option is set to 0. However, when the 'hw'
option is non-zero, the hardware QOS defaults are used.
This patch makes it so that we can pass the data the user provided to
ndo_setup_tc. This allows us to pull in the queue configuration if the
user requested it as well as any additional hardware offload type
requested by using a value other than 1 for the hw value.
Finally it also provides a means for the device driver to return the level
supported for the offload type via the qopt->hw value. Previously we were
just always assuming the value to be 1, in the future values beyond just 1
may be supported.
Signed-off-by: Amritha Nambiar <amritha.nambiar@intel.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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At the end of the timeout loop, retries will always be zero so
the check for zero is redundant so remove it. Also replace
printk with pr_err as recommended by checkpatch.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch prepares the main ISR for multiple queues.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch configures TSO for all available tx queues.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch prepares the DMA initialization process for multiple queues.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch prepares RX and TX set tail functions for multiple queues.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch prepares tx and rx ring length configuration for multiple queues.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds rx watchdog configuration for all queues.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch prepares DMA interrupts treatment for multiple queues.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch prepares stmmac_err for multiple queues.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch prepares the RX/TX DMA stop/start process for multiple queues.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch prepares the DMA IRQ enable/disable process for multiple queues.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch prepares DMA Operation Mode configuration for multiple queues.
The work consisted on breaking the DMA operation Mode configuration function
into RX and TX scope and adapting its mechanism in stmmac_main.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
40GbE Intel Wired LAN Driver Updates 2017-03-15
This series contains updates to i40e and i40evf only.
Aaron fixes an issue on x710 devices where simultaneous read accesses
were interfering with each other, so make sure all devices acquire the
NVM lock before reads on all devices.
Shannon adds Wake On LAN support feature for x722 devices and cleaned
up the opcodes so that they are in numerical order.
Mitch adds a client interface to the VF driver, in preparation for the
upcoming RDMA-capable hardware (and client driver). Cleaned up the
client interface in the PF driver, since it was originally over
engineered to handle multiple clients on multiple netdevs, but that
did not happen and now there will be one client per driver, so apply
the "KISS" (Keep It Simple & Stupid) to the i40e client interface.
Bumped the number of MAC filters an untrusted VF can create.
Jake fixes an issue where a recent refactor of queue pairs accidentally
added all remaining vecotrs to the num_lan_msix which can adversely
affect performance.
Lihong fixes an ethtool issue with x722 devices where "-e" will error
out since its EEPROM has a scope limit at offset 0x5B9FFF, so set the
EEPROM length to the scope limit. Also fixed an issue where RSS
offloading only worked on PF0.
Filip cleans up and clarifies code comment so there is no confusion
about MAC/VLAN filter initialization routine.
Alex adds support for DMA_ATTR_SKIP_CPU_SYNC and DMA_ATTR_WEAK_ORDERING,
which improves performance on architectures that implement either one.
Harshitha cleans up confusion on flags disabled due to hardware limitation
versus featured disabled by the user, so rename auto_disable_flags to
hw_disabled_flags to avoid the confusion.
v2: Merged patch #1 and #4 in first version to make patch #3 in this
series based on feedback from David Miller.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Conflicts:
drivers/net/ethernet/broadcom/genet/bcmgenet.c
net/core/sock.c
Conflicts were overlapping changes in bcmgenet and the
lockdep handling of sockets.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a rather large set of fixes. The bulk are for lpfc correcting
a lot of issues in the new NVME driver code which just went in in the
merge window.
The others are:
- fix a hang in the vmware paravirt driver caused by incorrect
handling of the new MSI vector allocation
- long standing bug in storvsc, which recent block changes turned
from being a harmless annoyance into a hang
- yet more fallout (in mpt3sas) from the changes to device blocking
The remainder are small fixes and updates"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (34 commits)
scsi: lpfc: Add shutdown method for kexec
scsi: storvsc: Workaround for virtual DVD SCSI version
scsi: lpfc: revise version number to 11.2.0.10
scsi: lpfc: code cleanups in NVME initiator discovery
scsi: lpfc: code cleanups in NVME initiator base
scsi: lpfc: correct rdp diag portnames
scsi: lpfc: remove dead sli3 nvme code
scsi: lpfc: correct double print
scsi: lpfc: Rename LPFC_MAX_EQ_DELAY to LPFC_MAX_EQ_DELAY_EQID_CNT
scsi: lpfc: Rework lpfc Kconfig for NVME options
scsi: lpfc: add transport eh_timed_out reference
scsi: lpfc: Fix eh_deadline setting for sli3 adapters.
scsi: lpfc: add NVME exchange aborts
scsi: lpfc: Fix nvme allocation bug on failed nvme_fc_register_localport
scsi: lpfc: Fix IO submission if WQ is full
scsi: lpfc: Fix NVME CMD IU byte swapped word 1 problem
scsi: lpfc: Fix RCTL value on NVME LS request and response
scsi: lpfc: Fix crash during Hardware error recovery on SLI3 adapters
scsi: lpfc: fix missing spin_unlock on sql_list_lock
scsi: lpfc: don't dereference dma_buf->iocbq before null check
...
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
- self-test failure of crc32c on powerpc
- regressions of ecb(aes) when used with xts/lrw in s5p-sss
- a number of bugs in the omap RNG driver
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: s5p-sss - Fix spinlock recursion on LRW(AES)
hwrng: omap - Do not access INTMASK_REG on EIP76
hwrng: omap - use devm_clk_get() instead of of_clk_get()
hwrng: omap - write registers after enabling the clock
crypto: s5p-sss - Fix completing crypto request in IRQ handler
crypto: powerpc - Fix initialisation of crc32c context
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A previous commit introduced a field that tracks the features
that are disabled due to HW resource limitations as opposed
to the featured disabled by the user. This patch changes the
name of the field to make it more readable since it might get
confusing when looking at code containing both the flags
field and the auto_disable_features field together.
Change-ID: Idcc9888659698f6fe3ccff17c8c3f09b5026f708
Signed-off-by: Harshitha Ramamurthy <harshitha.ramamurthy@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Signed-off-by: Bimmy Pujari <bimmy.pujari@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Our original filter limit of 8 was based on behavior that we saw from
Linux VMs. Now we're running Other Operating Systems under KVM and we
see that they commonly use more MAC filters. Since it seems weird to
require people to enable trusted VFs just to boot their OS, bump the
number of filters allowed by default.
Change-ID: I76b2dcb2ad6017e39231ad3096c3fb6f065eef5e
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch adds support for DMA_ATTR_SKIP_CPU_SYNC and
DMA_ATTR_WEAK_ORDERING. By enabling both of these for the Rx path we
are able to see performance improvements on architectures that implement
either one due to the fact that page mapping and unmapping only has to
sync what is actually being used instead of the entire buffer. In addition
by enabling the weak ordering attribute enables a performance improvement
for architectures that can associate a memory ordering with a DMA buffer
such as Sparc.
Change-ID: If176824e8231c5b24b8a5d55b339a6026738fc75
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch clarifies the reason for removal of automatically
firmware-generated filter and explicit addition of filter which
accepts frames with any VLAN id.
Change-ID: Iabf180b6d61c4d8a36d3bcf8457c377a6f2aca0e
Signed-off-by: Filip Sadowski <filip.sadowski@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch fixes the issue that RSS offloading only works on PF0 by
using the direct register writing of the hash keys for the VFs instead
of using the admin queue command to do so.
Change-ID: Ia02cda7dbaa23def342e8786097a2c03db6f580b
Signed-off-by: Lihong Yang <lihong.yang@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently ethtool -e will error out with a X722 interface
as its EEPROM has a scope limit at offset 0x5B9FFF.
This patch fixes the issue by setting the EEPROM length to
the scope limit to avoid NVM read failure beyond that.
Change-ID: I0b7d4dd6c7f2a57cace438af5dffa0f44c229372
Signed-off-by: Lihong Yang <lihong.yang@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This is a solution to avoid adding too many queues to num_lan_msix.
A recent refactor of queue pairs accidentally added all remaining
vectors to the num_lan_msix which can have adverse performance issues,
due to enabling more queues than the number of CPU cores.
This patch removes the old calculation, and replaces it with a simple
algorithm.
1) add queue pairs up to num_online_cpus(), but capped at half of total
vectors
2) then add alternative features such as flow directory and similar
3) finally, add the remaining vectors back to queue pairs, but capped
such that the total number of queue pairs does not exceed
num_online_cpus().
Change-ID: I668abf67d5011a1248866daba8885f4ff00cb8d9
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Harshitha Ramamurthy <harshitha.ramamurthy@intel.com>
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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(KISS is Keep It Simple, Stupid. Or is it?)
The client interface vastly overengineered for what it needs to do.
It was originally designed to support multiple clients on multiple
netdevs, possibly even with multiple drivers. None of this happened,
and now we know that there will only ever be one client for i40e
(i40iw) and one for i40evf (i40iwvf). So, time for some KISS. Since
i40e and i40evf are a Dynasty, we'll simplify this one to match the
VF interface.
First, be a Destroyer and remove all of the lists and locks required
to support multiple clients. Keep one static around to keep track of
one client, and track the client instances for each netdev in the
driver's pf (or adapter) struct. Now it's Almost Human.
Since we already know the client type is iWarp, get rid of any checks
for this. Same for VSI type - it's always going to be the same type,
so it's just a Parasite.
While we're at it, fix up some comments. This makes the function
headers actually match the functions.
These changes reduce code complexity, simplify maintenance,
squash some lurking timing bugs, and allow us to Rock and Roll All
Nite.
Change-ID: I1ea79948ad73b8685272451440a34507f9a9012e
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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In preparation for upcoming RDMA-capable hardware, add a client
interface to the VF driver. This is a slightly-simplified version
of the PF client interface, with the names changed to protect the
innocent.
Due to the nature of the VF<->PF interactions, the client interface
sometimes needs to call back into itself to pass messages. Because
of this, we can't use the coarse-grained locking like the PF's
client interface uses. Instead, we handle all client interactions
in a separate thread so the watchdog can still run and process
virtual channel messages.
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Avinash Dayanand <avinash.dayanand@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Pull networking fixes from David Miller:
1) Ensure that mtu is at least IPV6_MIN_MTU in ipv6 VTI tunnel driver,
from Steffen Klassert.
2) Fix crashes when user tries to get_next_key on an LPM bpf map, from
Alexei Starovoitov.
3) Fix detection of VLAN fitlering feature for bnx2x VF devices, from
Michal Schmidt.
4) We can get a divide by zero when TCP socket are morphed into
listening state, fix from Eric Dumazet.
5) Fix socket refcounting bugs in skb_complete_wifi_ack() and
skb_complete_tx_timestamp(). From Eric Dumazet.
6) Use after free in dccp_feat_activate_values(), also from Eric
Dumazet.
7) Like bonding team needs to use ETH_MAX_MTU as netdev->max_mtu, from
Jarod Wilson.
8) Fix use after free in vrf_xmit(), from David Ahern.
9) Don't do UDP Fragmentation Offload on IPComp ipsec packets, from
Alexey Kodanev.
10) Properly check napi_complete_done() return value in order to decide
whether to re-enable IRQs or not in amd-xgbe driver, from Thomas
Lendacky.
11) Fix double free of hwmon device in marvell phy driver, from Andrew
Lunn.
12) Don't crash on malformed netlink attributes in act_connmark, from
Etienne Noss.
13) Don't remove routes with a higher metric in ipv6 ECMP route replace,
from Sabrina Dubroca.
14) Don't write into a cloned SKB in ipv6 fragmentation handling, from
Florian Westphal.
15) Fix routing redirect races in dccp and tcp, basically the ICMP
handler can't modify the socket's cached route in it's locked by the
user at this moment. From Jon Maxwell.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (108 commits)
qed: Enable iSCSI Out-of-Order
qed: Correct out-of-bound access in OOO history
qed: Fix interrupt flags on Rx LL2
qed: Free previous connections when releasing iSCSI
qed: Fix mapping leak on LL2 rx flow
qed: Prevent creation of too-big u32-chains
qed: Align CIDs according to DORQ requirement
mlxsw: reg: Fix SPVMLR max record count
mlxsw: reg: Fix SPVM max record count
net: Resend IGMP memberships upon peer notification.
dccp: fix memory leak during tear-down of unsuccessful connection request
tun: fix premature POLLOUT notification on tun devices
dccp/tcp: fix routing redirect race
ucc/hdlc: fix two little issue
vxlan: fix ovs support
net: use net->count to check whether a netns is alive or not
bridge: drop netfilter fake rtable unconditionally
ipv6: avoid write to a possibly cloned skb
net: wimax/i2400m: fix NULL-deref at probe
isdn/gigaset: fix NULL-deref at probe
...
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Some opcodes added & reordered to be in numerical order with the
rest of the opcodes.
This patch adds admin queue structs to support Wake on LAN feature
for X722.
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Acquire NVM lock before reads on all devices. Previously, locks were
only used for X722 and later. Fixes an issue where simultaneous X710
NVM accesses were interfering with each other.
Change-ID: If570bb7acf958cef58725ec2a2011cead6f80638
Signed-off-by: Aaron Salter <aaron.k.salter@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo:
"Three libata fixes:
- fix for a circular reference bug in sysfs code which prevented
pata_legacy devices from being released after probe failure, which
in turn prevented devres from releasing the associated resources.
- drop spurious WARN in the command issue path which can be triggered
by a legitimate passthrough command.
- an ahci_qoriq specific fix"
* 'for-4.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
ahci: qoriq: correct the sata ecc setting error
libata: drop WARN from protocol error in ata_sff_qc_issue()
libata: transport: Remove circular dependency at free time
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This adds the necessary infrastructure changes for initializing
and working with the new series of QL41xxx adapaters.
It also adds 2 new PCI device-IDs to qede:
- 0x8070 for QL41xxx PFs
- 0x8090 for VFs spawning from QL41xxx PFs
Signed-off-by: Tomer Tayar <Tomer.Tayar@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Missing in the initial submission, qed fails to propagate qedi's
request to enable OOO to firmware.
Fixes: fc831825f99e ("qed: Add support for hardware offloaded iSCSI")
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Need to set the number of entries in database, otherwise the logic
would quickly surpass the array.
Fixes: 1d6cff4fca43 ("qed: Add iSCSI out of order packet handling")
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Before iterating over the the LL2 Rx ring, the ring's
spinlock is taken via spin_lock_irqsave().
The actual processing of the packet [including handling
by the protocol driver] is done without said lock,
so qed releases the spinlock and re-claims it afterwards.
Problem is that the final spin_lock_irqrestore() at the end
of the iteration uses the original flags saved from the
initial irqsave() instead of the flags from the most recent
irqsave(). So it's possible that the interrupt status would
be incorrect at the end of the processing.
Fixes: 0a7fb11c23c0 ("qed: Add Light L2 support");
CC: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes: fc831825f99e ("qed: Add support for hardware offloaded iSCSI")
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When receiving an Rx LL2 packet, qed fails to unmap the previous buffer.
Fixes: 0a7fb11c23c0 ("qed: Add Light L2 support");
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Current Logic would allow the creation of a chain with U32_MAX + 1
elements, when the actual maximum supported by the driver infrastructure
is U32_MAX.
Fixes: a91eb52abb50 ("qed: Revisit chain implementation")
Signed-off-by: Tomer Tayar <Tomer.Tayar@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Doorbell HW block can be configured at a granularity
of 16 x CIDs, so we need to make sure that the actual number
of CIDs configured would be a multiplication of 16.
Today, when RoCE is enabled - given that the number is unaligned,
doorbelling the higher CIDs would fail to reach the firmware and
would eventually timeout.
Fixes: dbb799c39717 ("qed: Initialize hardware for new protocols")
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The num_rec field is 8 bit, so the maximal count number is 255.
This fixes vlans learning not being enabled for wider ranges than 255.
Fixes: a4feea74cd7a ("mlxsw: reg: Add Switch Port VLAN MAC Learning register definition")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The num_rec field is 8 bit, so the maximal count number is 255. This
fixes vlans not being enabled for wider ranges than 255.
Fixes: b2e345f9a454 ("mlxsw: reg: Add Switch Port VID and Switch Port VLAN Membership registers definitions")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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aszlig observed failing ssh tunnels (-w) during initialization since
commit cc9da6cc4f56e0 ("ipv6: addrconf: use stable address generator for
ARPHRD_NONE"). We already had reports that the mentioned commit breaks
Juniper VPN connections. I can't clearly say that the Juniper VPN client
has the same problem, but it is worth a try to hint to this patch.
Because of the early generation of link local addresses, the kernel now
can start asking for routers on the local subnet much earlier than usual.
Those router solicitation packets arrive inside the ssh channels and
should be transmitted to the tun fd before the configuration scripts
might have upped the interface and made it ready for transmission.
ssh polls on the interface and receives back a POLL_OUT. It tries to send
the earily router solicitation packet to the tun interface. Unfortunately
it hasn't been up'ed yet by config scripts, thus failing with -EIO. ssh
doesn't retry again and considers the tun interface broken forever.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=121131
Fixes: cc9da6cc4f56 ("ipv6: addrconf: use stable address generator for ARPHRD_NONE")
Cc: Bjørn Mork <bjorn@mork.no>
Reported-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Cc: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Reported-by: Jonas Lippuner <jonas@lippuner.ca>
Cc: Jonas Lippuner <jonas@lippuner.ca>
Reported-by: aszlig <aszlig@redmoonstudios.org>
Cc: aszlig <aszlig@redmoonstudios.org>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1. modify bd_status from u32 to u16 in function hdlc_rx_done,
because bd_status register is 16bits
2. write bd_length register before writing bd_status register
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This commit adds support for the GENETv5 implementation.
The GENETv5 reports a major version of 6 instead of 5 so compensate
for this when verifying the configuration of the driver. Also the
EPHY revision is now contained in the MDIO registers of the PHY so
the EPHY revision of 0 in GENET_VER_FMT is expected for GENETv5.
Signed-off-by: Doug Berger <opendmb@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This commit changes the ioctl handling behavior to return the
EOPNOTSUPP error code instead of the EINVAL error code when an
unknown ioctl command value is detected.
It also removes some redundant parsing of the ioctl command value
and allows the SIOCSHWTSTAMP value to be handled.
Signed-off-by: Doug Berger <opendmb@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The reclaim function should return the number of buffer descriptors
reclaimed, not just the number corresponding to skb packets.
Also, remove the unnecessary computation when updating the consumer
index.
While this is not a functional problem it could degrade performance
of napi in a fragmented transmit stream.
Signed-off-by: Doug Berger <opendmb@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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