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path: root/drivers/net/vmxnet3/vmxnet3_ethtool.c (follow)
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2019-06-04vmxnet3: turn off lro when rxcsum is disabledRonak Doshi1-0/+10
Currently, when rx csum is disabled, vmxnet3 driver does not turn off lro, which can cause performance issues if user does not turn off lro explicitly. This patch adds fix_features support which is used to turn off LRO whenever RXCSUM is disabled. Signed-off-by: Ronak Doshi <doshir@vmware.com> Acked-by: Rishi Mehta <rmehta@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-17vmxnet3: Replace msleep(1) with usleep_range()YueHaibing1-1/+1
As documented in Documentation/timers/timers-howto.txt, replace msleep(1) with usleep_range(). Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-22net: vmxnet3: use new api ethtool_{get|set}_link_ksettingsPhilippe Reynes1-11/+14
The ethtool api {get|set}_settings is deprecated. We move this driver to new api {get|set}_link_ksettings. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-08net: make ndo_get_stats64 a void functionstephen hemminger1-3/+1
The network device operation for reading statistics is only called in one place, and it ignores the return value. Having a structure return value is potentially confusing because some future driver could incorrectly assume that the return value was used. Fix all drivers with ndo_get_stats64 to have a void function. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-16vmxnet3: add support for get_coalesce, set_coalesce ethtool operationsShrikrishna Khare1-0/+158
The emulation supports a variety of coalescing modes viz. disabled (no coalescing), adaptive, static (number of packets to batch before raising an interrupt), rate based (number of interrupts per second). This patch implements get_coalesce and set_coalesce methods to allow querying and configuring different coalescing modes. Signed-off-by: Keyong Sun <sunk@vmware.com> Signed-off-by: Manoj Tammali <tammalim@vmware.com> Signed-off-by: Shrikrishna Khare <skhare@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-16vmxnet3: add receive data ring supportShrikrishna Khare1-11/+37
vmxnet3 driver preallocates buffers for receiving packets and posts the buffers to the emulation. In order to deliver a received packet to the guest, the emulation must map buffer(s) and copy the packet into it. To avoid this memory mapping overhead, this patch introduces the receive data ring - a set of small sized buffers that are always mapped by the emulation. If a packet fits into the receive data ring buffer, the emulation delivers the packet via the receive data ring (which must be copied by the guest driver), or else the usual receive path is used. Receive Data Ring buffer length is configurable via ethtool -G ethX rx-mini Signed-off-by: Shrikrishna Khare <skhare@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-16vmxnet3: allow variable length transmit data ring bufferShrikrishna Khare1-4/+5
vmxnet3 driver supports transmit data ring viz. a set of fixed size buffers used by the driver to copy packet headers. Small packets that fit these buffers are copied into these buffers entirely. Currently this buffer size of fixed at 128 bytes. This patch extends transmit data ring implementation to allow variable length transmit data ring buffers. The length of the buffer is read from the emulation during initialization. Signed-off-by: Sriram Rangarajan <rangarajans@vmware.com> Signed-off-by: Shrikrishna Khare <skhare@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-16vmxnet3: prepare for version 3 changesShrikrishna Khare1-2/+2
vmxnet3 is currently at version 2, but some command definitions from previous vmxnet3 versions are missing. Add those definitions before moving to version 3. Also, introduce utility macros for vmxnet3 version comparison and update Copyright information and Maintained by. Signed-off-by: Shrikrishna Khare <skhare@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-16drivers/net: get rid of unnecessary initializations in .get_drvinfo()Ivan Vecera1-4/+0
Many drivers initialize uselessly n_priv_flags, n_stats, testinfo_len, eedump_len & regdump_len fields in their .get_drvinfo() ethtool op. It's not necessary as these fields is filled in ethtool_get_drvinfo(). v2: removed unused variable v3: removed another unused variable Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-09-23Driver: Vmxnet3: Extend register dump supportShrikrishna Khare1-28/+90
Signed-off-by: Shrikrishna Khare <skhare@vmware.com> Signed-off-by: Bhavesh Davda <bhavesh@vmware.com> Acked-by: Srividya Murali <smurali@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01vmxnet3: spelling fixesstephen hemminger1-2/+2
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-16Driver: Vmxnet3: Fix ethtool -S to return correct rx queue statsShrikrishna Khare1-1/+1
Signed-off-by: Gao Zhenyu <gzhenyu@vmware.com> Signed-off-by: Shrikrishna Khare <skhare@vmware.com> Reviewed-by: Shreyas N Bhatewara <sbhatewara@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-06Driver: Vmxnet3: Make Rx ring 2 size configurableShrikrishna Khare1-7/+20
Rx ring 2 size can be configured by adjusting rx-jumbo parameter of ethtool -G. Signed-off-by: Ramya Bolla <bollar@vmware.com> Signed-off-by: Shreyas Bhatewara <sbhatewara@vmware.com> Signed-off-by: Shrikrishna Khare <skhare@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-08ethtool: Support for configurable RSS hash functionEyal Perry1-2/+13
This patch extends the set/get_rxfh ethtool-options for getting or setting the RSS hash function. It modifies drivers implementation of set/get_rxfh accordingly. This change also delegates the responsibility of checking whether a modification to a certain RX flow hash parameter is supported to the driver implementation of set_rxfh. User-kernel API is done through the new hfunc bitmask field in the ethtool_rxfh struct. A bit set in the hfunc field is corresponding to an index in the new string-set ETH_SS_RSS_HASH_FUNCS. Got approval from most of the relevant driver maintainers that their driver is using Toeplitz, and for the few that didn't answered, also assumed it is Toeplitz. Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Ariel Elior <ariel.elior@qlogic.com> Cc: Prashant Sreedharan <prashant@broadcom.com> Cc: Michael Chan <mchan@broadcom.com> Cc: Hariprasad S <hariprasad@chelsio.com> Cc: Sathya Perla <sathya.perla@emulex.com> Cc: Subbu Seetharaman <subbu.seetharaman@emulex.com> Cc: Ajit Khaparde <ajit.khaparde@emulex.com> Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Cc: Jesse Brandeburg <jesse.brandeburg@intel.com> Cc: Bruce Allan <bruce.w.allan@intel.com> Cc: Carolyn Wyborny <carolyn.wyborny@intel.com> Cc: Don Skidmore <donald.c.skidmore@intel.com> Cc: Greg Rose <gregory.v.rose@intel.com> Cc: Matthew Vick <matthew.vick@intel.com> Cc: John Ronciak <john.ronciak@intel.com> Cc: Mitch Williams <mitch.a.williams@intel.com> Cc: Amir Vadai <amirv@mellanox.com> Cc: Solarflare linux maintainers <linux-net-drivers@solarflare.com> Cc: Shradha Shah <sshah@solarflare.com> Cc: Shreyas Bhatewara <sbhatewara@vmware.com> Cc: "VMware, Inc." <pv-drivers@vmware.com> Cc: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Eyal Perry <eyalpe@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-16vmxnet3: adjust ring sizes when interface is downNeil Horman1-4/+8
If ethtool is used to update ring sizes on a vmxnet3 interface that isn't running, the change isn't stored, meaning the ring update is effectively is ignored and lost without any indication to the user. Other network drivers store the ring size update so that ring allocation uses the new sizes next time the interface is brought up. This patch modifies vmxnet3 to behave this way as well Signed-off-by: Neil Horman <nhorman@tuxdriver.com> CC: "David S. Miller" <davem@davemloft.net> CC: Shreyas Bhatewara <sbhatewara@vmware.com> CC: "VMware, Inc." <pv-drivers@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-06net: use SPEED_UNKNOWN and DUPLEX_UNKNOWN when appropriateJiri Pirko1-2/+2
Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-03ethtool: Replace ethtool_ops::{get,set}_rxfh_indir() with {get,set}_rxfh()Ben Hutchings1-4/+4
ETHTOOL_{G,S}RXFHINDIR and ETHTOOL_{G,S}RSSH should work for drivers regardless of whether they expose the hash key, unless you try to set a hash key for a driver that doesn't expose it. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-05-13net: get rid of SET_ETHTOOL_OPSWilfried Klaebe1-1/+1
net: get rid of SET_ETHTOOL_OPS Dave Miller mentioned he'd like to see SET_ETHTOOL_OPS gone. This does that. Mostly done via coccinelle script: @@ struct ethtool_ops *ops; struct net_device *dev; @@ - SET_ETHTOOL_OPS(dev, ops); + dev->ethtool_ops = ops; Compile tested only, but I'd seriously wonder if this broke anything. Suggested-by: Dave Miller <davem@davemloft.net> Signed-off-by: Wilfried Klaebe <w-lkml@lebenslange-mailadresse.de> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-19net: vlan: rename NETIF_F_HW_VLAN_* feature flags to NETIF_F_HW_VLAN_CTAG_*Patrick McHardy1-2/+3
Rename the hardware VLAN acceleration features to include "CTAG" to indicate that they only support CTAGs. Follow up patches will introduce 802.1ad server provider tagging (STAGs) and require the distinction for hardware not supporting acclerating both. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07vmxnet3: prevent div-by-zero panic when ring resizing uninitialized devBhavesh Davda1-0/+6
Linux is free to call ethtool ops as soon as a netdev exists when probe finishes. However, we only allocate vmxnet3 tx/rx queues and initialize the rx_buf_per_pkt field in struct vmxnet3_adapter when the interface is opened (UP). Signed-off-by: Bhavesh Davda <bhavesh@vmware.com> Signed-off-by: Shreyas N Bhatewara <sbhatewara@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-24vmxnet3: fix ethtool ring buffer size settingNeil Horman1-4/+2
Noticed that vmxnet3's get_ringparam function was returning the summation of all ring buffers on a NIC, rather than just the size of any one ring. This causes problems when a vmxnet3 instance has multiple queues, as ethtool, when setting ring parameters, first gets the current ring parameters to set the existing values in the set_ringparm commannd. The result is, that unless both rx and tx ring sizes are set in a single operation, which ever ring is not set will silently have its ring count multiplied by the number of queues on the NIC until it reaches a driver defined maxiumum value. Fix it by not multiplying the rx and tx ring sizes by the number of queues in the system, like every other driver. Tested by myself successfully. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> CC: Shreyas Bhatewara <sbhatewara@vmware.com> CC: "VMware, Inc." <pv-drivers@vmware.com> CC: "David S. Miller" <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-16vmxnet3: use netdev_ printk wrappersStephen Hemminger1-7/+6
Use the standard netdev_xxx() and dev_xxx() wrappers to format log messages. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-06ethtool: fix drvinfo strings set in driversJiri Pirko1-1/+1
Use strlcpy where possible to ensure the string is \0 terminated. Use always sizeof(string) instead of 32, ETHTOOL_BUSINFO_LEN and custom defines. Use snprintf instead of sprint. Remove unnecessary inits of ->fw_version Remove unnecessary inits of drvinfo struct. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-05vmxnet3" make ethtool ops conststephen hemminger1-1/+1
All tables of function pointers should be const to make hacks more difficult. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: Shreyas N Bhatewara <sbhatewara@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-16ethtool: Centralise validation of ETHTOOL_{G, S}RXFHINDIR parametersBen Hutchings1-20/+15
Add a new ethtool operation (get_rxfh_indir_size) to get the indirectional table size. Use this to validate the user buffer size before calling get_rxfh_indir or set_rxfh_indir. Use get_rxnfc to get the number of RX rings, and validate the contents of the new indirection table before calling set_rxfh_indir. Remove this validation from drivers. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Acked-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-22Sweep away N/A fw_version dustbunnies from the .get_drvinfo routine of a number of driversRick Jones1-5/+0
Per discussion with Ben Hutchings and David Miller, go through and remove assignments of "N/A" to fw_version in various drivers' .get_drvinfo routines. While there clean-up some use of bare constants and such. Signed-off-by: Rick Jones <rick.jones2@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16net: introduce and use netdev_features_t for device features setsMichał Mirosław1-2/+2
v2: add couple missing conversions in drivers split unexporting netdev_fix_features() implemented %pNF convert sock::sk_route_(no?)caps Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-09-16ethtool: Clean up definitions of rule location arrays in RX NFCBen Hutchings1-1/+1
Correct the description of ethtool_rxnfc::rule_locs; it is an array of currently used locations, not all possible valid locations. Add note that drivers must not use ethtool_rxnfc::rule_locs. The rule_locs argument to ethtool_ops::get_rxnfc is either NULL or a pointer to an array of u32, so change the parameter type accordingly. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-27vmxnet3: Convert to new vlan model.Jesse Gross1-1/+8
This converts the vmxnet3 driver to use the new vlan model. In doing so it fixes missing tags in tcpdump and failure to do checksum offload when tx vlan offload is disabled. CC: Shreyas Bhatewara <sbhatewara@vmware.com> CC: VMware PV-Drivers <pv-drivers@vmware.com> Signed-off-by: Jesse Gross <jesse@nicira.com> Signed-off-by: Scott J. Goldman <scottjg@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-08vmxnet3: convert to 64 bit stats interfacestephen hemminger1-22/+22
Convert vmxnet3 driver to 64 bit statistics interface. This driver was already counting packet per queue in a 64 bit value so not a huge change. Eliminate unused old net_device_stats structure. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Scott J. Goldman <scottjg@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-17Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6David S. Miller1-0/+1
Conflicts: drivers/net/vmxnet3/vmxnet3_ethtool.c net/core/dev.c
2011-05-16vmxnet3: Fix inconsistent LRO state after initializationThomas Jarosch1-0/+3
During initialization of vmxnet3, the state of LRO gets out of sync with netdev->features. This leads to very poor TCP performance in a IP forwarding setup and is hitting many VMware users. Simplified call sequence: 1. vmxnet3_declare_features() initializes "adapter->lro" to true. 2. The kernel automatically disables LRO if IP forwarding is enabled, so vmxnet3_set_flags() gets called. This also updates netdev->features. 3. Now vmxnet3_setup_driver_shared() is called. "adapter->lro" is still set to true and LRO gets enabled again, even though netdev->features shows it's disabled. Fix it by updating "adapter->lro", too. The private vmxnet3 adapter flags are scheduled for removal in net-next, see commit a0d2730c9571aeba793cb5d3009094ee1d8fda35 "net: vmxnet3: convert to hw_features". Patch applies to 2.6.37 / 2.6.38 and 2.6.39-rc6. Please CC: comments. Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-29ethtool: cosmetic: Use ethtool ethtool_cmd_speed APIDavid Decotigny1-2/+2
This updates the network drivers so that they don't access the ethtool_cmd::speed field directly, but use ethtool_cmd_speed() instead. For most of the drivers, these changes are purely cosmetic and don't fix any problem, such as for those 1GbE/10GbE drivers that indirectly call their own ethtool get_settings()/mii_ethtool_gset(). The changes are meant to enforce code consistency and provide robustness with future larger throughputs, at the expense of a few CPU cycles for each ethtool operation. All drivers compiled with make allyesconfig ion x86_64 have been updated. Tested: make allyesconfig on x86_64 + e1000e/bnx2x work Signed-off-by: David Decotigny <decot@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-18net: vmxnet3: convert to hw_featuresMichał Mirosław1-56/+11
This also removes private feature flags that were always set to true. You may want to move vmxnet3_set_features() to vmxnet3_drv.c as a following cleanup. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-27net: fix ethtool->set_flags not intended -EINVAL return valueStanislaw Gruszka1-2/+2
After commit d5dbda23804156ae6f35025ade5307a49d1db6d7 "ethtool: Add support for vlan accleration.", drivers that have NETIF_F_HW_VLAN_TX, and/or NETIF_F_HW_VLAN_RX feature, but do not allow enable/disable vlan acceleration via ethtool set_flags, always return -EINVAL from that function. Fix by returning -EINVAL only if requested features do not match current settings and can not be changed by driver. Change any driver that define ethtool->set_flags to use ethtool_invalid_flags() to avoid similar problems in the future (also on drivers that do not have the problem). Tested with modified (to reproduce this bug) myri10ge driver. Cc: stable@kernel.org # 2.6.37+ Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-15vmxnet3: Add locking for access to command registerShreyas Bhatewara1-0/+15
Access to cmd register is racey, especially in smp environments. Protect it using a spinlock. Signed-off-by: Matthieu Bucchianeri <matthieu@vmware.com> Signed-off-by: Shreyas N Bhatewara <sbhatewara@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-15vmxnet3: Make ethtool handlers multiqueue awareShreyas Bhatewara1-114/+145
Show per-queue stats in ethtool -S output for vmxnet3 interface. Register dump of ethtool should dump registers for all tx and rx queues. Signed-off-by: Shreyas N Bhatewara <sbhatewara@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-11-28vmxnet3: fix compilation when RSS is disabledScott J. Goldman1-1/+4
If RSS is disabled, we can ifdef out some RSS specific code. This fixes the compile error found by Randy Dunlap. Signed-off-by: Scott J. Goldman <scottjg@vmware.com> Reviewed-by: Bhavesh Davda <bhavesh@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-11-19net-next: Add multiqueue support to vmxnet3 driverShreyas Bhatewara1-52/+119
Add multiqueue support to vmxnet3 driver This change adds multiqueue and thus receive side scaling support to vmxnet3 device driver. Number of rx queues is limited to 1 in cases where MSI is not configured or one MSIx vector is not available per rx queue Signed-off-by: Shreyas Bhatewara <sbhatewara@vmware.com> Reviewed-by: Bhavesh Davda <bhavesh@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-24vmxnet3: remove set_flag_le{16,64} helpersHarvey Harrison1-8/+6
It's easier to just annotate the constants as little endian types and set/clear the flags directly. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Shreyas Bhatewara <sbhatewara@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-15net-next: fix LRO feature update in vmxnet3Shreyas Bhatewara1-2/+3
Fix LRO feature update. Signed-off-by: Shreyas Bhatewara <sbhatewara@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-30vmxnet3: Remove incorrect implementation of ethtool_ops::get_flags()Ben Hutchings1-7/+1
Only some netdev feature flags correspond directly to ethtool feature flags. ethtool_op_get_flags() does the right thing. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Bhavesh Davda <bhavesh@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-29vmxnet3: fail when try to setup unsupported featuresStanislaw Gruszka1-2/+7
Return EOPNOTSUPP in ethtool_ops->set_flags. Fix coding style while at it. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-17net: Getting rid of the x86 dependency to built vmxnet3Shreyas Bhatewara1-4/+6
This patch removes config dependency on x86 to build vmxnet3 driver. Thus the driver can be built on big endian architectures now. Although vmxnet3 is not supported on VMs other than x86 architecture, all this code goes in to ensure correctness. If the code is not dependent on x86, it should not assume little endian architecture in any of its operations. Signed-off-by: Shreyas Bhatewara <sbhatewara@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-13net: VMware virtual Ethernet NIC driver: vmxnet3Shreyas Bhatewara1-0/+566
Ethernet NIC driver for VMware's vmxnet3 From: Shreyas Bhatewara <sbhatewara@vmware.com> This patch adds driver support for VMware's virtual Ethernet NIC: vmxnet3 Guests running on VMware hypervisors supporting vmxnet3 device will thus have access to improved network functionalities and performance. Signed-off-by: Shreyas Bhatewara <sbhatewara@vmware.com> Signed-off-by: Bhavesh Davda <bhavesh@vmware.com> Signed-off-by: Ronghua Zhang <ronghua@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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