Add two stats in SCM_TIMESTAMPING_OPT_STATS:
TCP_NLA_DATA_SEGS_OUT: total data packets sent including retransmission
TCP_NLA_TOTAL_RETRANS: total data packets retransmitted
The names are picked to be consistent with corresponding fields in
TCP_INFO. This allows applications that are using the timestamping
API to measure latency stats to also retrive retransmission rate
of application write.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Timur Tabi says:
====================
net: qcom/emac:
Although not related, these patches affect the same files, so they should
be applied in order.
The first patch cleans up logging of when the the phy driver is attached.
The second patch always configures the SGMII to use autonegotiation mode.
The third patch removes a redundant call to emac_mac_start().
The fourth patch removes some extraneous non-functioning WOL code.
The fifth patch adds an error handler for the SGMII block.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The SGMII (internal PHY) can report decode errors via an interrupt. It
can also report autonegotiation status changes, but we don't need to track
those. The SGMII can recover automatically from most decode errors, so
we only reset the interface if we get multiple consecutive errors.
It's possible for bogus decode errors to be reported while the link is
being brought up. The interrupt is registered when the interface is
opened, and it's enabled after the link is up.
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The EMAC driver does not support wake-on-lan, but there is still
code left-over that partially enables it. Remove that code and a few
macros that support it.
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
emac_mac_start() uses information from the external PHY to program
the MAC, so it makes no sense to call it before the link is up.
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Regardless of how the external PHY is configured, the internal PHY
(the "SGMII" block) is capable of configuring the SGMII link automatically.
When the external PHY link comes up, regardless of how it is configured,
the SGMII link is configured automatically.
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The PHY driver is attached only when the driver calls
phy_connect_direct(). Calling phy_attached_print() to display
information about the PHY driver prior to that point is meaningless.
The interface can be brought down, a new PHY driver can be loaded,
and the interface then brought back up. This is the correct time
to display information about the attached driver.
Since phy_attached_print() also prints information about the
interrupt, that needs to be set as well.
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
do_execute_actions() implements a worthwhile optimization: in case
an output action is the last action in an action list, skb_clone()
can be avoided by outputing the current skb. However, the
implementation is more complicated than necessary. This patch
simplify this logic.
Signed-off-by: Andy Zhou <azhou@ovn.org>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vivien Didelot says:
====================
net: dsa: preparatory patches for multi-chip
In order to introduce support for multi-chip configuration, we need to
do a few enhancements. This patchset makes the number of ports in a
switch dynamic (instead of capping to DSA_MAX_PORTS), stores the switch
and index of a port in the dsa_port structure, uses it in the slave
private structure, and exposes the bridge device a port belongs to.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Now that DSA exposes the bridge device pointer to which a port belongs,
use it when programming the port based VLANs and thus remove the cache.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Now that DSA exposes the bridge device pointer to which a port belongs,
use it when programming the port based VLANs and thus remove the cache.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Now that DSA exposes the bridge device pointer to which a port belongs,
use it when programming the port based VLANs and thus remove the cache.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Upon reception of the NETDEV_CHANGEUPPER, a leaving port is already
unbridged, so reflect this by assigning the port's bridge_dev pointer to
NULL before calling the port_bridge_leave DSA driver operation.
Now that the bridge_dev pointer is exposed to the drivers, reflecting
the current state of the DSA switch fabric is necessary for the drivers
to adjust their port based VLANs correctly.
Pass the bridge device pointer to the port_bridge_leave operation so
that drivers have all information to re-program their chips properly,
and do not need to cache it anymore.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move the bridge_dev pointer from dsa_slave_priv to dsa_port so that DSA
drivers can access this information and remove the need to cache it.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Store a pointer to the dsa_port structure in the dsa_slave_priv
structure, instead of the switch/port index.
This will allow to store more information such as the bridge device,
needed in DSA drivers for multi-chip configuration.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add the physical switch instance and port index a DSA port belongs to to
the dsa_port structure.
That can be used later to retrieve information about a physical port
when configuring a switch fabric, or lighten up struct dsa_slave_priv.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The dsa_switch structure contains the number of ports. Use it where the
structure is valid instead of the DSA_MAX_PORTS value.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Change the ports[DSA_MAX_PORTS] array of the dsa_switch structure for a
zero-length array, allocated at the same time as the dsa_switch
structure itself. A dsa_switch_alloc() helper is provided for that.
This commit brings no functional change yet since we pass DSA_MAX_PORTS
as the number of ports for the moment. Future patches can update the DSA
drivers separately to support dynamic number of ports.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Simon Horman says:
====================
ravb: Support 1Gbps on R-Car H3 ES1.1+ and R-Car M3-W
this series adds support for gigabit communication to the Renesas
EthernetAVB controller when used in conjunction with R-Car Gen3 H3
ES1.1+ and M3-W SoCs. Gigabit is already supported with R-Car Gen 2
SoCs.
The patch from Geert was previously posted for inclusion in v4.10 and
acked by Dave for that purpose. It was, however, not accepted by the
ARM SoC maintainers.
The path from Mizuguchi-san is to address timing problems observed
with gigabit transfers. I would like it considered although my own
testing on M3-W did not show any timing problems.
Changes since v1:
* Address various feedback for "APSR" patch as noted in its changelog
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The limitation to 10/100Mbit speeds on R-Car Gen3 is valid for R-Car H3
ES1.0 only. Check for the exact SoC model to allow 1Gbps on newer
revisions of R-Car H3, and on R-Car M3-W.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch enables tx and rx clock internal delay modes (TDM and RDM).
This is to address a failure in the case of 1Gbps communication using the
by salvator-x board with the KSZ9031RNX phy. This has been reported to
occur with both the r8a7795 (H3) and r8a7796 (M3-W) SoCs.
With this change APSR internal delay modes are enabled for
"rgmii-id", "rgmii-rxid" and "rgmii-txid" phy modes as follows:
phy mode | ASPR delay mode
-----------+----------------
rgmii-id | TDM and RDM
rgmii-rxid | RDM
rgmii-txid | TDM
Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The macro is returning ETIME which means various checks to see if
the returned err is less than zero never work. I believe a -ETIME
should be returned instead.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The check on err < 0 is redundant and can be removed. Detected
by CoverityScan, CID#1398318 ("Logically Dead Code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The check on err < 0 is redundant and can be removed. Detected
by CoverityScan, CID#1398321 ("Logically Dead Code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Andreas Schultz says:
====================
gtp: simple gtp improvements
This is the part of the previous "simple gtp improvements" series
that Pablo indicated should go into net-next.
The rcu_lock removal is small correctness changes. Passing invalid
to user space allows for more standards compliant handling of invalid
tunnels.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
enable userspace to send error replies for invalid tunnels
Acked-by: Harald Welte <laforge@netfilter.org>
Signed-off-by: Andreas Schultz <aschultz@tpip.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
The rcu read lock is hold by default in the ip input path. There
is no need to hold it twice in the socket recv decapsulate code path.
Signed-off-by: Andreas Schultz <aschultz@tpip.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull networking fixes from David Miller:
1) GTP fixes from Andreas Schultz (missing genl module alias, clear IP
DF on transmit).
2) Netfilter needs to reflect the fwmark when sending resets, from Pau
Espin Pedrol.
3) nftable dump OOPS fix from Liping Zhang.
4) Fix erroneous setting of VIRTIO_NET_HDR_F_DATA_VALID on transmit,
from Rolf Neugebauer.
5) Fix build error of ipt_CLUSTERIP when procfs is disabled, from Arnd
Bergmann.
6) Fix regression in handling of NETIF_F_SG in harmonize_features(),
from Eric Dumazet.
7) Fix RTNL deadlock wrt. lwtunnel module loading, from David Ahern.
8) tcp_fastopen_create_child() needs to setup tp->max_window, from
Alexey Kodanev.
9) Missing kmemdup() failure check in ipv6 segment routing code, from
Eric Dumazet.
10) Don't execute unix_bind() under the bindlock, otherwise we deadlock
with splice. From WANG Cong.
11) ip6_tnl_parse_tlv_enc_lim() potentially reallocates the skb buffer,
therefore callers must reload cached header pointers into that skb.
Fix from Eric Dumazet.
12) Fix various bugs in legacy IRQ fallback handling in alx driver, from
Tobias Regnery.
13) Do not allow lwtunnel drivers to be unloaded while they are
referenced by active instances, from Robert Shearman.
14) Fix truncated PHY LED trigger names, from Geert Uytterhoeven.
15) Fix a few regressions from virtio_net XDP support, from John
Fastabend and Jakub Kicinski.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (102 commits)
ISDN: eicon: silence misleading array-bounds warning
net: phy: micrel: add support for KSZ8795
gtp: fix cross netns recv on gtp socket
gtp: clear DF bit on GTP packet tx
gtp: add genl family modules alias
tcp: don't annotate mark on control socket from tcp_v6_send_response()
ravb: unmap descriptors when freeing rings
virtio_net: reject XDP programs using header adjustment
virtio_net: use dev_kfree_skb for small buffer XDP receive
r8152: check rx after napi is enabled
r8152: re-schedule napi for tx
r8152: avoid start_xmit to schedule napi when napi is disabled
r8152: avoid start_xmit to call napi_schedule during autosuspend
net: dsa: Bring back device detaching in dsa_slave_suspend()
net: phy: leds: Fix truncated LED trigger names
net: phy: leds: Break dependency of phy.h on phy_led_triggers.h
net: phy: leds: Clear phy_num_led_triggers on failure to avoid crash
net-next: ethernet: mediatek: change the compatible string
Documentation: devicetree: change the mediatek ethernet compatible string
bnxt_en: Fix RTNL lock usage on bnxt_get_port_module_status().
...
- Fix race conditions in the CoW code
- Fix some incorrect input validation checks
- Avoid crashing fs by running out of space when freeing inodes
- Fix toctou race wrt whether or not an inode has an attr
- Fix build error on arm
- Fix page refcount corruption when readahead fails
- Don't corrupt userspace in the bmap ioctl
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Merge tag 'xfs-for-linus-4.10-rc6-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs uodates from Darrick Wong:
"I have some more fixes this week: better input validation, corruption
avoidance, build fixes, memory leak fixes, and a couple from Christoph
to avoid an ENOSPC failure.
Summary:
- Fix race conditions in the CoW code
- Fix some incorrect input validation checks
- Avoid crashing fs by running out of space when freeing inodes
- Fix toctou race wrt whether or not an inode has an attr
- Fix build error on arm
- Fix page refcount corruption when readahead fails
- Don't corrupt userspace in the bmap ioctl"
* tag 'xfs-for-linus-4.10-rc6-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: prevent quotacheck from overloading inode lru
xfs: fix bmv_count confusion w/ shared extents
xfs: clear _XBF_PAGES from buffers when readahead page
xfs: extsize hints are not unlikely in xfs_bmap_btalloc
xfs: remove racy hasattr check from attr ops
xfs: use per-AG reservations for the finobt
xfs: only update mount/resv fields on success in __xfs_ag_resv_init
xfs: verify dirblocklog correctly
xfs: fix COW writeback race
Pull btrfs updates from Chris Mason:
"Some fixes that we've collected from the list.
We still have one more pending to nail down a regression in lzo
compression, but I wanted to get this batch out the door"
* 'for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: remove ->{get, set}_acl() from btrfs_dir_ro_inode_operations
Btrfs: disable xattr operations on subvolume directories
Btrfs: remove old tree_root case in btrfs_read_locked_inode()
Btrfs: fix truncate down when no_holes feature is enabled
Btrfs: Fix deadlock between direct IO and fast fsync
btrfs: fix false enospc error when truncating heavily reflinked file
Pull block fixes from Jens Axboe:
"A set of fixes for this series. This contains:
- Set of fixes for the nvme target code
- A revert of patch from this merge window, causing a regression with
WRITE_SAME on iSCSI targets at least.
- A fix for a use-after-free in the new O_DIRECT bdev code.
- Two fixes for the xen-blkfront driver"
* 'for-linus' of git://git.kernel.dk/linux-block:
Revert "sd: remove __data_len hack for WRITE SAME"
nvme-fc: use blk_rq_nr_phys_segments
nvmet-rdma: Fix missing dma sync to nvme data structures
nvmet: Call fatal_error from keep-alive timout expiration
nvmet: cancel fatal error and flush async work before free controller
nvmet: delete controllers deletion upon subsystem release
nvmet_fc: correct logic in disconnect queue LS handling
block: fix use after free in __blkdev_direct_IO
xen-blkfront: correct maximum segment accounting
xen-blkfront: feature flags handling adjustments
- Series of iw_cxgb4 fixes to make it work with the drain cq API
- One or two patches each to: srp, iser, cxgb3, vmw_pvrdma, umem, rxe,
and ipoib
- One big series (13 patches) for the new qedr driver
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
"Second round of -rc fixes for 4.10.
This -rc cycle has been slow for the rdma subsystem. I had already
sent you the first batch before the Holiday break. After that, we kept
only getting a few here or there. Up until this week, when I got a
drop of 13 to one driver (qedr). So, here's the -rc patches I have. I
currently have none held in reserve, so unless something new comes in,
this is it until the next merge window opens.
Summary:
- series of iw_cxgb4 fixes to make it work with the drain cq API
- one or two patches each to: srp, iser, cxgb3, vmw_pvrdma, umem,
rxe, and ipoib
- one big series (13 patches) for the new qedr driver"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (27 commits)
RDMA/cma: Fix unknown symbol when CONFIG_IPV6 is not enabled
IB/rxe: Prevent from completer to operate on non valid QP
IB/rxe: Fix rxe dev insertion to rxe_dev_list
IB/umem: Release pid in error and ODP flow
RDMA/qedr: Dispatch port active event from qedr_add
RDMA/qedr: Fix and simplify memory leak in PD alloc
RDMA/qedr: Fix RDMA CM loopback
RDMA/qedr: Fix formatting
RDMA/qedr: Mark three functions as static
RDMA/qedr: Don't reset QP when queues aren't flushed
RDMA/qedr: Don't spam dmesg if QP is in error state
RDMA/qedr: Remove CQ spinlock from CM completion handlers
RDMA/qedr: Return max inline data in QP query result
RDMA/qedr: Return success when not changing QP state
RDMA/qedr: Add uapi header qedr-abi.h
RDMA/qedr: Fix MTU returned from QP query
RDMA/core: Add the function ib_mtu_int_to_enum
IB/vmw_pvrdma: Fix incorrect cleanup on pvrdma_pci_probe error path
IB/vmw_pvrdma: Don't leak info from alloc_ucontext
IB/cxgb3: fix misspelling in header guard
...
Pull s390 fixes from Martin Schwidefsky:
"Another two bug fixes:
- ptrace partial write information leak
- a guest page hinting regression introduced with v4.6"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/mm: Fix cmma unused transfer from pgste into pte
s390/ptrace: Preserve previous registers for short regset write
Pull swiotlb fix from Konrad Rzeszutek Wilk:
"An ARM fix in the Xen SWIOTLB - mainly the translation of physical to
bus addresses was done just a tad too late"
* 'stable/for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
swiotlb-xen: update dev_addr after swapping pages
- mdev IOMMU groups are not yet compatible with the powerpc SPAPR
IOMMU backend, detect and fail group attach (Greg Kurz)
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Merge tag 'vfio-v4.10-rc6' of git://github.com/awilliam/linux-vfio
Pull VFIO fix from Alex Williamson:
"mdev IOMMU groups are not yet compatible with the powerpc SPAPR IOMMU
backend, detect and fail group attach (Greg Kurz)"
* tag 'vfio-v4.10-rc6' of git://github.com/awilliam/linux-vfio:
vfio/spapr: fail tce_iommu_attach_group() when iommu_data is null
If IPV6 has not been enabled in the underlying kernel, we must avoid
calling IPV6 procedures in rdma_cm.ko.
This requires using "IS_ENABLED(CONFIG_IPV6)" in "if" statements
surrounding any code which calls external IPV6 procedures.
In the instance fixed here, procedure cma_bind_addr() called
ipv6_addr_type() -- which resulted in calling external procedure
__ipv6_addr_type().
Fixes: 6c26a77124 ("RDMA/cma: fix IPv6 address resolution")
Cc: <stable@vger.kernel.org> # v4.2+
Cc: Spencer Baugh <sbaugh@catern.com>
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Reviewed-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Konrad writes:
Please pull in your 'for-linus' branch two little fixes for Xen
block front:
One fix is for handling the XEN_PAGE_SIZE != PAGE_SIZE (4KB vs 64KB
on ARM for example) mishandling while the other is fixing
the accounting for the configuration changes.
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Merge tag 'media/v4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- fix a regression on tvp5150 causing failures at input selection and
image glitches
- CEC was moved out of staging for v4.10. Fix some bugs on it while not
too late
- fix a regression on pctv452e caused by VM stack changes
- fix suspend issued with smiapp
- fix a regression on cobalt driver
- fix some warnings and Kconfig issues with some random configs.
* tag 'media/v4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] s5k4ecgx: select CRC32 helper
[media] dvb: avoid warning in dvb_net
[media] v4l: tvp5150: Don't override output pinmuxing at stream on/off time
[media] v4l: tvp5150: Fix comment regarding output pin muxing
[media] v4l: tvp5150: Reset device at probe time, not in get/set format handlers
[media] pctv452e: move buffer to heap, no mutex
[media] media/cobalt: use pci_irq_allocate_vectors
[media] cec: fix race between configuring and unconfiguring
[media] cec: move cec_report_phys_addr into cec_config_thread_func
[media] cec: replace cec_report_features by cec_fill_msg_report_features
[media] cec: update log_addr[] before finishing configuration
[media] cec: CEC_MSG_GIVE_FEATURES should abort for CEC version < 2
[media] cec: when canceling a message, don't overwrite old status info
[media] cec: fix report_current_latency
[media] smiapp: Make suspend and resume functions __maybe_unused
[media] smiapp: Implement power-on and power-off sequences without runtime PM
Pull thermal management fix from Zhang Rui:
"A single revert from a recently introduced problem.
Specifics:
Commit 7611fb6806 ("thermal: thermal_hwmon: Convert to
hwmon_device_register_with_info()"), which was introduced in 4.10-rc5,
uses new hwmon API. But this breaks some soc thermal driver because
the new hwmon API has a strict rule for the hwmon device name. Revert
the offending commit as a quick solution for 4.10"
* 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
Revert "thermal: thermal_hwmon: Convert to hwmon_device_register_with_info()"
Quotacheck runs at mount time in situations where quota accounting must
be recalculated. In doing so, it uses bulkstat to visit every inode in
the filesystem. Historically, every inode processed during quotacheck
was released and immediately tagged for reclaim because quotacheck runs
before the superblock is marked active by the VFS. In other words,
the final iput() lead to an immediate ->destroy_inode() call, which
allowed the XFS background reclaim worker to start reclaiming inodes.
Commit 17c12bcd3 ("xfs: when replaying bmap operations, don't let
unlinked inodes get reaped") marks the XFS superblock active sooner as
part of the mount process to support caching inodes processed during log
recovery. This occurs before quotacheck and thus means all inodes
processed by quotacheck are inserted to the LRU on release. The
s_umount lock is held until the mount has completed and thus prevents
the shrinkers from operating on the sb. This means that quotacheck can
excessively populate the inode LRU and lead to OOM conditions on systems
without sufficient RAM.
Update the quotacheck bulkstat handler to set XFS_IGET_DONTCACHE on
inodes processed by quotacheck. This causes ->drop_inode() to return 1
and in turn causes iput_final() to evict the inode. This preserves the
original quotacheck behavior and prevents it from overloading the LRU
and running out of memory.
CC: stable@vger.kernel.org # v4.9
Reported-by: Martin Svec <martin.svec@zoner.cz>
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Slava Shwartsman reported a warning in skb_try_coalesce(), when we
detect skb->truesize is completely wrong.
In his case, issue came from IPv6 reassembly coping with malicious
datagrams, that forced various pskb_may_pull() to reallocate a bigger
skb->head than the one allocated by NIC driver before entering GRO
layer.
Current code does not change skb->truesize, leaving this burden to
callers if they care enough.
Blindly changing skb->truesize in pskb_expand_head() is not
easy, as some producers might track skb->truesize, for example
in xmit path for back pressure feedback (sk->sk_wmem_alloc)
We can detect the cases where it should be safe to change
skb->truesize :
1) skb is not attached to a socket.
2) If it is attached to a socket, destructor is sock_edemux()
My audit gave only two callers doing their own skb->truesize
manipulation.
I had to remove skb parameter in sock_edemux macro when
CONFIG_INET is not set to avoid a compile error.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Slava Shwartsman <slavash@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Edward Cree says:
====================
sfc: encapsulated filters
This series adds support for setting up filters for encapsulated traffic on
SFC 8000-series adapters, which recognise VXLAN, GENEVE and NVGRE packets by
parsing packet headers. (VXLAN and GENEVE will only be recognised if the
driver on the primary PF has notified the firmware of relevant UDP ports,
which this driver does not yet do.)
While the driver currently has no way of using these filters for flow
steering, it is nonetheless necessary to insert catch-all (aka 'default')
filters to direct this traffic, similar to the existing unencapsulated uni-
and multi-cast catch-all filters, as otherwise the traffic will be dropped
by the NIC - implementation details of the hardware filtering mean that the
traffic will not get matched on outer MAC address to unencapsulated catch-
all filters. (Yes, this is a mess.)
Although this is, therefore, fixing a bug in the existing driver, it's a bug
which has existed since 8000 series support was added, and the fix involves
quite a big patch with an 'adding features' flavour to it, hence why this is
for net-next rather than net and stable.
v2: move netif_cond_dbg into netdevice.h and its own patch
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
8000 series adapters support filtering VXLAN, NVGRE and GENEVE traffic
based on inner fields, and when the NIC recognises such traffic, it
does not match unencapsulated traffic filters any more. So add catch-
all filters for encapsulated traffic on supporting platforms.
Although recognition of VXLAN and GENEVE is based on UDP ports, and thus
will not occur until the driver (on the primary PF) notifies the
firmware of UDP ports to use, NVGRE will always be recognised, hence
without this patch 8000 series adapters will drop all NVGRE traffic.
Partly based on patches by Jon Cooper <jcooper@solarflare.com>.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Rationalise several debug-or-warnings printks using netif_cond_dbg
to make output more consistent.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For reporting things that may or may not be serious, depending on some
condition, netif_cond_dbg will check the condition and print the report
at either dbg (if the condition is true) or the specified level.
Suggested-by: Jon Cooper <jcooper@solarflare.com>
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If the NIC is switched from full-featured to low-latency, encapsulated
filters are no longer available, and this causes errors. This patch
removes those filters from the filter table on restore.
Also, if filters which are removed by the above, or which we fail to
insert when restoring filters, were UC, MC or broadcast default
filters, invalidate the corresponding vlan->default_filters entry.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The stats member of struct frad_locl is used neither by the dlci nor the
sdla driver, so it might as well be removed.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
It's Broadcom PHY simply described as single-port
RGMII 10/100/1000BASE-T PHY. It requires disabling delay skew and GTXCLK
bits.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
