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Due to bad management of the descriptors, when use ptp4l,
kernel panics as shown below:
-----------------------------------------------------------
Unable to handle kernel NULL pointer dereference at virtual
address 000001ac
...
Internal error: Oops: 17 [#1] SMP ARM
...
Hardware name: STi SoC with Flattened Device Tree
task: c0c05e80 task.stack: c0c00000
PC is at dwmac4_wrback_get_tx_timestamp_status+0x0/0xc
LR is at stmmac_tx_clean+0x2f8/0x4d4
-----------------------------------------------------------
In case of GMAC4 the extended descriptor pointers were
used for getting the timestamp. These are NULL for this HW,
and the normal ones must be used.
The PTP also had problems on this chip due to the bad
register management and issues on the algo adopted to
setup the PTP and getting the timestamp values from the
descriptors.
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Acked-by: Rayagond Kokatanur <rayagond@vayavyalabs.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is to update this file by using BIT macros, removing
not used defines and fixes some typos.
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Acked-by: Rayagond Kokatanur <rayagond@vayavyalabs.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In commit 24cf3af3fed5 ("igmp: call ip_mc_clear_src..."), we forgot to remove
igmpv3_clear_delrec() in ip_mc_down(), which also called ip_mc_clear_src().
This make us clear all IGMPv3 source filter info after NETDEV_DOWN.
Move igmpv3_clear_delrec() to ip_mc_destroy_dev() and then no need
ip_mc_clear_src() in ip_mc_destroy_dev().
On the other hand, we should restore back instead of free all source filter
info in igmpv3_del_delrec(). Or we will not able to restore IGMPv3 source
filter info after NETDEV_UP and NETDEV_POST_TYPE_CHANGE.
Fixes: 24cf3af3fed5 ("igmp: call ip_mc_clear_src() only when ...")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into drm-fixes
sun4i-drm fixes for 4.9
A few patches to fix our error handling and our panel / bridge calls.
* tag 'sunxi-drm-fixes-for-4.9' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
drm/sun4i: Propagate error to the caller
drm/sun4i: Fix error handling
drm/sun4i: rgb: Remove the bridge enable/disable functions
drm/sun4i: rgb: Enable panel after controller
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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>
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Florian Fainelli says:
====================
net: phy: Centralize auto-negotation restart
This patch series centralizes how ethtool::nway_reset is implemented
by providing a PHYLIB function which calls into genphy_restart_aneg().
All drivers below are converted to use this new helper function. Some
other have specific requirements that make them not quite suitable for
a straight forward conversion.
There is another patch series which implements ethtool::nway_reset
using the helper function introduced that depends on this patch
series.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Woojung Huh <woojung.huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Thomas Langer <Thomas.langer@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This function just calls into genphy_restart_aneg() to perform an
autonegotation restart.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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drivers/net/vxlan.c: In function ‘vxlan_xmit_one’:
drivers/net/vxlan.c:2141:10: warning: ‘err’ may be used uninitialized in this function [-Wmaybe-uninitialized]
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove IS_ERR check from caching code as the function being called does
not actually return error pointers.
Fixes: f19bd643dbde: "IB/hfi1: Prevent NULL pointer deferences in caching code"
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Increase the size of the buffer that is used to construct per-VL
and per-SDMA counter names.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jianxin Xiong <jianxin.xiong@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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When processing ECN via the prescan_rxq path, some fields in the packet
structure are passed uninitialized. This can potentially
cause NULL pointer exceptions during ECN handling.
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Set the status code BAD_L2 when unsupported type of packet
is received and dropped.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jakub Pawlak <jakub.pawlak@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Validate the rcvhdrcnt module parameter in a single function at module
load time. This allows proper error reporting.
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Krzysztof Blaszkowski <krzysztof.blaszkowski@intel.com>
Signed-off-by: Tymoteusz Kielan <tymoteusz.kielan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The new s_rnr_timeout was not properly being set and the code was
incorrectly setting a different timer.
Found by code inspection.
Cc: <stable@vger.kernel.org> # 4.7.x
Fixes: 08279d5c9424 ("staging/rdma/hfi1: use new RNR timer")
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The lock is an unused vestige from qib. Remove it.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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hfi1_pcie_ddinit takes the PCI device id as an argument but never
uses it. Clean it up.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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A few snoop related variables were missed in the snoop/capture removal
to get out of staging. Go back and clean those up too.
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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In the function hfi1_create_ctxts the array "dd->rcd" is allocated and
then populated with allocated resources in a loop. Previously, if
error happened during the loop, only resource allocated in the current
iteration would be freed. The array itself would then be freed, leaving
the resources that were allocated in previous iterations and referenced
by the array elements in limbo.
This patch makes sure all allocated resources are freed before freeing
the array "dd->rcd". Also the resource allocation now takes account of
the numa node the device is attached to.
Reviewed-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Jianxin Xiong <jianxin.xiong@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Clean up device type checking.
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Krzysztof Blaszkowski <krzysztof.blaszkowski@intel.com>
Signed-off-by: Tymoteusz Kielan <tymoteusz.kielan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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This patch fixes an Oops on device unbind, when the device is used
by a PSM user process. PSM processes access device resources which
are freed on device removal. Similar protection exists in uverbs
in ib_core for Verbs clients, but PSM doesn't use ib_uverbs hence
a separate protection is required for PSM clients.
Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Dean Luick <dean.luick@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Prevent setting up integrity check flags when module is loaded
with NO_INTEGRITY capability.
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Jakub Pawlak <jakub.pawlak@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The IRQ affinity entry is not needed after the irq notifier patch has been
added to the hfi1 driver.
The irq affinity settings for SDMA engine should be set using the standard
/proc/irq/<N>/ interface.
Reviewed-by: Jianxin Xiong <jianxin.xiong@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The initial code for rdmavt carried with it a restriction that was a
vestige from the qib driver, that to dma map a page it had to be less
than a page size. This is not the case on modern hardware, both qib and
hfi1 will be just fine with unaligned map requests.
This fixes a 4.8 regression where by an IPoIB transfer of > PAGE_SIZE
will hang because the dma map page call always fails. This was
introduced after commit 5faba5469522 ("IB/ipoib: Report SG feature
regardless of HW UD CSUM capability") added the capability to use SG by
default. Rather than override this, the HW supports it, so allow SG.
Cc: Stable <stable@vger.kernel.org> # 4.8
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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1,cleanup description/comments
2,for FIJI & passthrough, force post when smc fw version below 22.15
3,for other cases, follow regular rules
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Left over from an earlier rev of the patch.
Acked-by: Colin Ian King <colin.king@canonical.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Colin King <colin.king@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This can fix below dump when the lock is accessed at host
mode due to it is not initialized.
[ 46.119638] INFO: trying to register non-static key.
[ 46.124643] the code is fine but needs lockdep annotation.
[ 46.130144] turning off the locking correctness validator.
[ 46.135659] CPU: 0 PID: 690 Comm: cat Not tainted 4.9.0-rc3-00079-g4b75f1d #1210
[ 46.143075] Hardware name: Freescale i.MX6 SoloX (Device Tree)
[ 46.148923] Backtrace:
[ 46.151448] [<c010c460>] (dump_backtrace) from [<c010c658>] (show_stack+0x18/0x1c)
[ 46.159038] r7:edf52000
[ 46.161412] r6:60000193
[ 46.163967] r5:00000000
[ 46.165035] r4:c0e25c2c
[ 46.169109] [<c010c640>] (show_stack) from [<c03f58a4>] (dump_stack+0xb4/0xe8)
[ 46.176362] [<c03f57f0>] (dump_stack) from [<c016d690>] (register_lock_class+0x4fc/0x56c)
[ 46.184554] r10:c0e25d24
[ 46.187014] r9:edf53e70
[ 46.189569] r8:c1642444
[ 46.190637] r7:ee9da024
[ 46.193191] r6:00000000
[ 46.194258] r5:00000000
[ 46.196812] r4:00000000
[ 46.199185] r3:00000001
[ 46.203259] [<c016d194>] (register_lock_class) from [<c0171294>] (__lock_acquire+0x80/0x10f0)
[ 46.211797] r10:c0e25d24
[ 46.214257] r9:edf53e70
[ 46.216813] r8:ee9da024
[ 46.217880] r7:c1642444
[ 46.220435] r6:edcd1800
[ 46.221502] r5:60000193
[ 46.224057] r4:00000000
[ 46.227953] [<c0171214>] (__lock_acquire) from [<c01726c0>] (lock_acquire+0x74/0x94)
[ 46.235710] r10:00000001
[ 46.238169] r9:edf53e70
[ 46.240723] r8:edf53f80
[ 46.241790] r7:00000001
[ 46.244344] r6:00000001
[ 46.245412] r5:60000193
[ 46.247966] r4:00000000
[ 46.251866] [<c017264c>] (lock_acquire) from [<c096c8fc>] (_raw_spin_lock_irqsave+0x40/0x54)
[ 46.260319] r7:ee1c6a00
[ 46.262691] r6:c062a570
[ 46.265247] r5:20000113
[ 46.266314] r4:ee9da014
[ 46.270393] [<c096c8bc>] (_raw_spin_lock_irqsave) from [<c062a570>] (ci_port_test_show+0x2c/0x70)
[ 46.279280] r6:eebd2000
[ 46.281652] r5:ee9da010
[ 46.284207] r4:ee9da014
[ 46.286810] [<c062a544>] (ci_port_test_show) from [<c0248d04>] (seq_read+0x1ac/0x4f8)
[ 46.294655] r9:edf53e70
[ 46.297028] r8:edf53f80
[ 46.299583] r7:ee1c6a00
[ 46.300650] r6:00000001
[ 46.303205] r5:00000000
[ 46.304273] r4:eebd2000
[ 46.306850] [<c0248b58>] (seq_read) from [<c039e864>] (full_proxy_read+0x54/0x6c)
[ 46.314348] r10:00000000
[ 46.316808] r9:c0a6ad30
[ 46.319363] r8:edf53f80
[ 46.320430] r7:00020000
[ 46.322986] r6:b6de3000
[ 46.324053] r5:ee1c6a00
[ 46.326607] r4:c0248b58
[ 46.330505] [<c039e810>] (full_proxy_read) from [<c021ec98>] (__vfs_read+0x34/0x118)
[ 46.338262] r9:edf52000
[ 46.340635] r8:c0107fc4
[ 46.343190] r7:00020000
[ 46.344257] r6:edf53f80
[ 46.346812] r5:c039e810
[ 46.347879] r4:ee1c6a00
[ 46.350447] [<c021ec64>] (__vfs_read) from [<c021fbd0>] (vfs_read+0x8c/0x11c)
[ 46.357597] r9:edf52000
[ 46.359969] r8:c0107fc4
[ 46.362524] r7:edf53f80
[ 46.363592] r6:b6de3000
[ 46.366147] r5:ee1c6a00
[ 46.367214] r4:00020000
[ 46.369782] [<c021fb44>] (vfs_read) from [<c0220a4c>] (SyS_read+0x4c/0xa8)
[ 46.376672] r8:c0107fc4
[ 46.379045] r7:00020000
[ 46.381600] r6:b6de3000
[ 46.382667] r5:ee1c6a00
[ 46.385222] r4:ee1c6a00
[ 46.387817] [<c0220a00>] (SyS_read) from [<c0107e20>] (ret_fast_syscall+0x0/0x1c)
[ 46.395314] r7:00000003
[ 46.397687] r6:b6de3000
[ 46.400243] r5:00020000
[ 46.401310] r4:00020000
Cc: <stable@vger.kernel.org>
Fixes: 26c696c678c4 ("USB: Chipidea: rename struct
ci13xxx variables from udc to ci")
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pravin B Shelar says:
====================
vxlan: xmit improvements.
Following patch series improves vxlan fast path, removes
duplicate code and simplifies vxlan xmit code path.
v2-v3:
Removed unrelated warning fix from patch 2.
rearranged error handling from patch 3
Fixed stats updates in vxlan route lookup in patch 4
v1-v2:
Fix compilation error when IPv6 support is not enabled.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Pravin B Shelar <pshelar@ovn.org>
Acked-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Existing vxlan xmit function handles two distinct cases.
1. vxlan net device
2. vxlan lwt device.
By seperating initialization these two cases the egress path
looks better.
Signed-off-by: Pravin B Shelar <pshelar@ovn.org>
Acked-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Avoid code duplicate code for handling RTF_LOCAL routes.
Signed-off-by: Pravin B Shelar <pshelar@ovn.org>
Acked-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move route sanity check to respective vxlan[4/6]_get_route functions.
This allows us to perform all sanity checks before caching the dst so
that we can avoid these checks on subsequent packets.
This give move accurate metadata information for packet from
fill_metadata_dst().
Signed-off-by: Pravin B Shelar <pshelar@ovn.org>
Acked-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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vxlan egress path error handling has became complicated, it
need to handle IPv4 and IPv6 tunnel cases.
Earlier patch removes vlan handling from vxlan_build_skb(), so
vxlan_build_skb does not need to free skb and we can simplify
the xmit path by having single error handling for both type of
tunnels.
Signed-off-by: Pravin B Shelar <pshelar@ovn.org>
Acked-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Check the vxlan socket in vxlan6_getroute().
Signed-off-by: Pravin B Shelar <pshelar@ovn.org>
Acked-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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VxLan device does not have special handling for vlan taging on egress.
Therefore it does not make sense to expose vlan offloading feature.
This patch does not change vxlan functinality.
Signed-off-by: Pravin B Shelar <pshelar@ovn.org>
Acked-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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TSE PCS SGMII ethernet has an issue where switching speed doesn't work
caused by a faulty register macro offset. This fixes the issue.
Signed-off-by: Jia Jie Ho <ho.jia.jie@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The commit 850cbaddb52d ("udp: use it's own memory accounting schema")
assumes that the socket proto has memory accounting enabled,
but this is not the case for UDPLITE.
Fix it enabling memory accounting for UDPLITE and performing
fwd allocated memory reclaiming on socket shutdown.
UDP and UDPLITE share now the same memory accounting limits.
Also drop the backlog receive operation, since is no more needed.
Fixes: 850cbaddb52d ("udp: use it's own memory accounting schema")
Reported-by: Andrei Vagin <avagin@gmail.com>
Suggested-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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