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Packetization Layer Path MTU Discovery works separately beside
Path MTU Discovery at IP level, different net namespace has
various requirements on which one to chose, e.g., a virutalized
container instance would require TCP PMTU to probe an usable
effective mtu for underlying tunnel, while the host would
employ classical ICMP based PMTU to function.
Hence making TCP PMTU mechanism per net namespace to decouple
two functionality. Furthermore the probe base MSS should also
be configured separately for each namespace.
Signed-off-by: Fan Du <fan.du@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes indentation issue and error found in argument
reported by static analysis. Without this patch, sparse and other
static analysis errors will be found.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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If a server has enabled Fast Open and it receives a pure SYN-data
packet (without a Fast Open option), it won't accept the data but it
incorrectly returns a SYN-ACK with a Fast Open cookie and also
increments the SNMP stat LINUX_MIB_TCPFASTOPENPASSIVEFAIL.
This patch makes the server include a Fast Open cookie in SYN-ACK
only if the SYN has some Fast Open option (i.e., when client
requests or presents a cookie).
Signed-off-by: Yuchung Cheng <ycheng@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>
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This avoids setting TUNNEL_VXLAN_OPT for VXLAN frames which don't
have any GBP metadata set. It is not invalid to set it but unnecessary.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Vladislav Yasevich says:
====================
IPv6 Fix 2 small issues with UFO restoration code
This series fixes 2 small issues introduced by the
"Restore UFO support to virtio_net devices" series.
V2: Fixed patch title and description for patch1.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make __ipv6_select_ident() static as it isn't used outside
the file.
Fixes: 0508c07f5e0c9 (ipv6: Select fragment id during UFO segmentation if not set.)
Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Recent commit:
0508c07f5e0c94f38afd5434e8b2a55b84553077
Author: Vlad Yasevich <vyasevich@gmail.com>
Date: Tue Feb 3 16:36:15 2015 -0500
ipv6: Select fragment id during UFO segmentation if not set.
Introduced a bug on LE in how ipv6 fragment id is assigned.
This was cought by nightly sparce check:
Resolve the following sparce error:
net/ipv6/output_core.c:57:38: sparse: incorrect type in assignment
(different base types)
net/ipv6/output_core.c:57:38: expected restricted __be32
[usertype] ip6_frag_id
net/ipv6/output_core.c:57:38: got unsigned int [unsigned]
[assigned] [usertype] id
Fixes: 0508c07f5e0c9 (ipv6: Select fragment id during UFO segmentation if not set.)
Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bridge's default_pvid adds a vid by default, by which we cannot add a
non-vlan fdb entry by default, because br_fdb_add() adds fdb entries for
all vlans instead of a non-vlan one when any vlan is configured.
# ip link add br0 type bridge
# ip link set eth0 master br0
# bridge fdb add 12:34:56:78:90:ab dev eth0 master temp
# bridge fdb show brport eth0 | grep 12:34:56:78:90:ab
12:34:56:78:90:ab dev eth0 vlan 1 static
We expect a non-vlan fdb entry as well as vlan 1:
12:34:56:78:90:ab dev eth0 static
To fix this, we need to insert a non-vlan fdb entry if vlan is not
specified, even when any vlan is configured.
Fixes: 5be5a2df40f0 ("bridge: Add filtering support for default_pvid")
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2015-02-09
This series contains updates to i40e and i40evf only.
Rickard Strandqvist removes an unused function for i40e.
John Linville reorders a piece of code so that y_budget does not get used
by the FCoE code before it gets initialized.
Mitch adds a delay after VF reset with a minimum of 10ms to allow the
hardware internal FIFOs to flush. Bumps up the ARQ descriptors, since
we can easily overrun the PF's admin receive queue. Added locking around
the VF reset code, since during VF deallocation, we cannot depend on
simply masking the interrupt since this does not lock out the service task,
which can still call the reset routine. Fix a potential multi-minute
delay on driver unload, VF disable or system shutdown. When the module
is being unloaded, waiting for the PF to politely handle all of our admin
queue requests might take forever with a lot of VFs enabled, so just
stop everything and request a VF reset. Also stops the watchdog during
shutdown to prevent a log full of admin queue errors and the occasional
hang when the system is shut down.
Anjali forces Tx descriptor writebacks on ITR by kicking off the SWINT
interrupt since we noticed that there are non-cache-aligned Tx
descriptors waiting in the ring while interrupts are disabled under NAPI.
Enables loopback for the FCoE VSI, so that VSIs can directly talk to each
other without going out on the wire.
Matthew fixes an LED blink issue by making sure to clear the GPIO blink
field, instead of OR'ing against zero if the field is already '1'.
Greg cleans up a function header comment.
Vasu helps biosdevname user tool to differentiate dev_port for PCoE netdev
and PF netdev, by setting different dev_port value for FCoE netdev.
Carolyn adds a call to u64_stats_init to the receive setup in order to
avoid lockdep errors with seqcount on newer kernels.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The vunmap() function performs also input parameter validation.
Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Acked-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Hariprasad Shenai says:
====================
Add support in ethtool to get expansion ROM version
This series adds support to get expansion ROM version via ethtool getdrvinfo.
PATCH 1/3 ("ethtool: rename reserved1 memeber in ethtool_drvinfo for expansion
ROM version") is created against net-next tree.
PATCH 2/3 ("cxgb4: Add support in cxgb4 to get expansion rom version via
ethtool") is created against net-next tree.
PATCH 3/3 ("ethtool: Add support to get expansion ROM version in ethtool
getdrvinfo") is created against ethtool tree.
We have included all the maintainers of respective trees. Kindly review the
change and let us know in case of any review comments.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support to get option/expansion rom version flashed in the adapter via
ethtool getdrvinfo function.
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Renamed the reserved1 member of struct ethtool_drvinfo to erom_version to get
expansion/option ROM version of the adapter if present.
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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dsa_slave_phy_setup() finds the phy for the port via device tree and
using of_phy_connect(), or it uses the fall back of taking a phy from
the switch internal mdio bus and calling phy_connect_direct(). Either
way, if a phy is found, phy_attach_direct() is called to attach the
phy to the slave device.
In dsa_slave_create(), a second call to phy_attach() is made. This
results in the warning "PHY already attached". Remove this second,
redundant attaching of the phy.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Or Gerlitz says:
====================
bonding and mlx4 fixes for the HA/LAG support and mlx4 reset flow
There are two fixes to the boding + mlx4 HA/LAG support from Moni and a patch from Yishai
which does further hardening of the mlx4 reset support for IB kernel ULPs.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver exposes interfaces that directly relate to HW state. Upon fatal
error, consumers of these interfaces (ULPs) that rely on completion of
all their posted work-request could hang, thereby introducing dependencies
in shutdown order. To prevent this from happening, we manage the
relevant resources (CQs, QPs) that are used by the device. Upon a fatal error,
we now generate simulated completions for outstanding WQEs that were not
completed at the time the HW was reset.
It includes invoking the completion event handler for all involved CQs so that
the ULPs will poll those CQs. When polled we return simulated CQEs with
IB_WC_WR_FLUSH_ERR return code enabling ULPs to clean up their resources and
not wait forever for completions upon receiving remove_one.
The above change requires an extra check in the data path to make sure that when
device is in error state, the simulated CQEs will be returned and no further
WQEs will be posted.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When attaching a QP to a multicast address in bonded mode, there was an
assumption that the port of the QP must be #1. This assumption isn't the
case under the flow which enables maximal usage of the physical ports.
Fix it by always checking the port of the original flow and create the
mirrored flow on the other port.
Fixes: c6215745b66a ('IB/mlx4: Load balance ports in port aggregation mode')
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When queuing work to send the NETDEV_BONDING_INFO netdev event, it's
possible that when the work is executed, the pointer to the slave
becomes invalid. This can happen if between queuing the event and the
execution of the work, the net-device was un-ensvaled and re-enslaved.
Fix that by queuing a work with the data of the slave instead of the
slave structure.
Fixes: 69e6113343cf ('net/bonding: Notify state change on slaves')
Reported-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Richard Alpe says:
====================
tipc: new compat layer for the legacy NL API
This is a compatibility / transcoding layer for the old netlink API.
It relies on the new netlink API to collect data or perform actions
(dumpit / doit).
The main benefit of this compat layer is that it removes a lot of
complex code from the tipc core as only the new API needs to be able
harness data or perform actions. I.e. the compat layer isn't concerned
with locking or how the internal data-structures look. As long as the
new API stays relatively intact the compat layer should be fine.
The main challenge in this compat layer is the randomness of the legacy
API. Some commands send binary data and some send ASCII data, some are
very picky in optimizing there buffer sizes and some just don't care.
Most legacy commands put there data in a single TLV (data container) but some
segment the data into multiple TLV's. This list of randomness goes on and on..
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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tipc_snprintf() was heavily utilized by the old netlink API which no
longer exists (now netlink compat).
In this patch we swap tipc_snprintf() to the identical scnprintf() in
the only remaining occurrence.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add TIPC_CMD_NOOP to compat layer and remove the old framework.
All legacy nl commands are now converted to the compat layer in
netlink_compat.c.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert TIPC_CMD_SHOW_STATS to compat layer. This command does not
have any counterpart in the new API, meaning it now solely exists as a
function in the compat layer.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert TIPC_CMD_GET_NETID to compat dumpit.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert TIPC_CMD_SET_NETID to compat doit.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert TIPC_CMD_SET_NODE_ADDR to compat doit.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert TIPC_CMD_GET_NODES to compat dumpit and remove global node
counter solely used by the legacy API.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert TIPC_CMD_GET_MEDIA_NAMES to compat dumpit.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert socket (port) listing to compat dumpit call. If a socket
(port) has publications a second dumpit call is issued to collect them
and format then into the legacy buffer before continuing to process
the sockets (ports).
Command converted in this patch:
TIPC_CMD_SHOW_PORTS
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add functionality for printing a dump header and convert
TIPC_CMD_SHOW_NAME_TABLE to compat dumpit.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert TIPC_CMD_RESET_LINK_STATS to compat doit.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert setting of link proprieties to compat doit calls.
Commands converted in this patch:
TIPC_CMD_SET_LINK_TOL
TIPC_CMD_SET_LINK_PRI
TIPC_CMD_SET_LINK_WINDOW
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert TIPC_CMD_GET_LINKS to compat dumpit and remove global link
counter solely used by the legacy API.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add functionality for safely appending string data to a TLV without
keeping write count in the caller.
Convert TIPC_CMD_SHOW_LINK_STATS to compat dumpit.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce a framework for transcoding legacy nl action into actions
(.doit) calls from the new nl API. This is done by converting the
incoming TLV data into netlink data with nested netlink attributes.
Unfortunately due to the randomness of the legacy API we can't do this
generically so each legacy netlink command requires a specific
transcoding recipe. In this case for bearer enable and bearer disable.
Convert TIPC_CMD_ENABLE_BEARER and TIPC_CMD_DISABLE_BEARER into doit
compat calls.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce a framework for dumping netlink data from the new netlink
API and formatting it to the old legacy API format. This is done by
looping the dump data and calling a format handler for each entity, in
this case a bearer.
We dump until either all data is dumped or we reach the limited buffer
size of the legacy API. Remember, the legacy API doesn't scale.
In this commit we convert TIPC_CMD_GET_BEARER_NAMES to use the compat
layer.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The new netlink API is no longer "v2" but rather the standard API and
the legacy API is now "nl compat". We split them into separate
start/stop and put them in different files in order to further
distinguish them.
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Major changes:
iwlwifi:
* more work for new devices (4165 / 8260)
* cleanups / improvemnts in rate control
* fixes for TDLS
* major statistics work from Johannes - more to come
* improvements for the fw error dump infrastructure
* usual amount of small fixes here and there (scan, D0i3 etc...)
* add support for beamforming
* enable stuck queue detection for iwlmvm
* a few fixes for EBS scan
* fixes for various failure paths
* improvements for TDLS Offchannel
wil6210:
* performance tuning
* some AP features
brcm80211:
* rework some code in SDIO part of the brcmfmac driver related to
suspend/resume that were found doing stress testing
* in PCIe part scheduling of worker thread needed to be relaxed
* minor fixes and exposing firmware revision information to
user-space, ie. ethtool.
mwifiex:
* enhancements for change virtual interface handling
* remove coupling between netdev and FW supported interface
combination, now conversion from any type of supported interface
types to any other type is possible
* DFS support in AP mode
ath9k:
* fix calibration issues on some boards
* Wake-on-WLAN improvements
ath10k:
* add support for qca6174 hardware
* enable RX batching to reduce CPU load
Conflicts:
drivers/net/wireless/rtlwifi/pci.c
Conflict resolution is to get rid of the 'end' label and keep
the rest.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds a call to u64_stats_init to Rx setup.
This done in order to avoid lockdep errors with seqcount on newer kernels.
Change-ID: Ia8ba8f0bcbd1c0e926f97d70aeee4ce4fd055e93
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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For all VSIs on a VEB, Loopback mode should be either on or off.
Our configuration requires them to be ON so that VSIs can directly
talk to each other without going out on the wire.
Change-ID: I77b8310bc846329972b13b185949ab1431a46c30
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Set different dev_port value 1 for FCoE netdev than the default zero
dev_port value for PF netdev, this helps biosdevname user tool to
differentiate them correctly while both attached to the same PCI
function.
Change-ID: I8fb90e4ef52a1242f7580e49a3f0918735aee8ef
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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s/enable/disable
Change-ID: Ic0572a6c59d03e05a0a35d2e2e9d532e0512638d
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Make sure to clear the GPIO blink field, instead of OR'ing against zero
if the field is already '1'.
Change-ID: Ie52a52abd48f6f52b20778a6b8b0c542dfc9245c
Signed-off-by: Matt Jared <matthew.a.jared@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch forces Tx descriptor writebacks on ITR by kicking
off the SWINT interrupt when we notice that there are non-cache-aligned
Tx descriptors waiting in the ring while interrupts are disabled
under NAPI.
Change-ID: dd6d9675629bf266c7515ad7a201394618c35444
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Stop the service task in the shutdown handler, preventing it from
accessing the admin queue after it had been closed. This fixes a panic
that could occur when the system was shut down with a lot of VFs
enabled.
Change-ID: I286735e3842de472385bbf7ad68d30331e508add
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Make sure root user does not try something stupid.
Also make sure mask field in struct rps_sock_flow_table
does not share a cache line with the potentially often dirtied
flow table.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Fixes: 567e4b79731c ("net: rfs: add hash collision detection")
Signed-off-by: David S. Miller <davem@davemloft.net>
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Handle clip_tbl debugfs entry, when clip_tbl isn't allocated.
In commit b5a02f503caa0837 ("cxgb4: Update ipv6 address handling api") wrong
argument was passed for single_open for clip_tbl debugfs entry, which led to
below trace. Fixing it.
======
call Trace:
[<ffffffffa073c606>] clip_tbl_open+0x16/0x30 [cxgb4]
[<ffffffff8119e2fa>] do_dentry_open+0x21a/0x370
[<ffffffff8119e499>] vfs_open+0x49/0x50
[<ffffffff811b0d0e>] do_last+0x21e/0x800
[<ffffffff811b1382>] path_openat+0x92/0x470
[<ffffffff8110569f>] ? rb_reserve_next_event+0xaf/0x380
[<ffffffff8110569f>] ? rb_reserve_next_event+0xaf/0x380
[<ffffffff811b189a>] do_filp_open+0x4a/0xa0
[<ffffffff811bdc5d>] ? __alloc_fd+0xcd/0x140
[<ffffffff8119fa4a>] do_sys_open+0x11a/0x230
[<ffffffff8101219f>] ? syscall_trace_enter_phase2+0xaf/0x1b0
[<ffffffff8119fb9e>] SyS_open+0x1e/0x20
[<ffffffff815bf6f0>] tracesys_phase2+0xd4/0xd9
Code: 89 e5 66 66 66 66 90 48 8b 47 e0 48 8b 40 30 48 8b 40 58 c9 c3 66 0f 1f
84 00 00 00 00 00 55 48 89 e5 66 66 66 66 90 48 8b 47 e0 <48> 8b 40 58 c9 c3 66
66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48
RIP [<ffffffff8120898d>] PDE_DATA+0xd/0x20
RSP <ffff8800b08c3c48>
CR2: 0000000000000058
=====
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Stop the watchdog during shutdown. Failing to do this causes a log full
of admin queue errors and the occasional hang when the system is shut
down.
Change-ID: Ib2fd11213cca2fa589eb68577e86b1000c23c250
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Occasionally on shutdown, the FW will hand us a bunch of messages filled
with zeros, which can cause us to spin trying to handle them. Just
ignore these and get on with shutting down.
Change-ID: I347e9648f7153ad5a7b7e0847b87f7aad5f3e0da
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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