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Introduce a new getsockopt operation to retrieve the socket cookie
for a specific socket based on the socket fd. It returns a unique
non-decreasing cookie for each socket.
Tested: https://android-review.googlesource.com/#/c/358163/
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Chenbo Feng <fengc@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2017-04-16
This patchset provides some updates for the mlx5 drivers.
From Majd,
1st patch, Adds ConnectX-6 and ConnectX-6 VF PCI IDs support.
From Guy,
2nd patch, Adds RXFCS scatter support.
3rd patch, Small cleanup to make a function static.
From Eran,
4th patch, Adds 4 zeros padding to ethtool FW version.
6th patch, Trevial code reuse cleanup
From Inbar,
5th patch, Show board id in ethtool driver information
From Saeed,
7th patch, Set default RX moderation parameters on driver load
as a small fix for the latest fail-safe config feature.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adding support for TSO and checksum hardware offloads for ipv6.
Signed-off-by: Thanneeru Srinivasulu <tsrinivasulu@cavium.com>
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sean Wang says:
====================
net-next: dsa: add Mediatek MT7530 support
MT7530 is a 7-ports Gigabit Ethernet Switch that could be found on
Mediatek router platforms such as MT7623A or MT7623N which includes 7-port
Gigabit Ethernet MAC and 5-port Gigabit Ethernet PHY. Among these ports,
The port from 0 to 4 are the user ports connecting with the remote devices
while the port 5 and 6 are the CPU ports connecting into Mediatek Ethernet
GMAC.
The patch series integrated Mediatek MT7530 into DSA support which
includes the most of the essential callbacks such as tag insertion for
port distinguishing, port control, bridge offloading, STP setup and
ethtool operations to allow DSA to model each user port into independently
standalone netdevice as the other DSA driver had done.
Changes since v1:
- rebased into 4.11-rc1
- refined binding document including below five items
- changed the type of mediatek,mcm into bool
- used reset controller binding for MCM reset and removed "mediatek,ethsys"
property from binding
- reused CPU port's ethernet Phandle instead of creating new one and removed
"mediatek,ethernet" property from binding
- aligned naming for GPIO reset with dsa/marvell.txt
- added phy-mode as required property child nodes within ports container
- handled gpio reset with devm_gpiod_* API
- refined comment words
- removed condition for CDM setting since the setup looks both fine for all cases
- allowed of_find_net_device_by_node() working with pointing the device node into
real netdev instance
- fixed Kbuild warnings
Changes since v2:
- reuse readx_poll_timeout() to poll
- add proper macro instead of hard coding
- treat inconsistent cpu port as warning
- remove the usage for regmap-debugfs
- show error message when invalid id is found
- put the logic for the setup of trgmii into adjut_link()
- refine and reuse logic between port_[disable,enable], and default port setup
- correct typo
Changes since v3:
- used struct as the parameter for readx_poll_timeout() and kill
extra lpriv defined
- moved around function to get out of an additional declaration
- fixed kbuild errors caused by missing proper include in the latest tree
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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MT7530 is a 7-ports Gigabit Ethernet Switch that could be found on
Mediatek router platforms such as MT7623A or MT7623N platform which
includes 7-port Gigabit Ethernet MAC and 5-port Gigabit Ethernet PHY.
Among these ports, The port from 0 to 4 are the user ports connecting
with the remote devices while the port 5 and 6 are the CPU ports
connecting into Mediatek Ethernet GMAC.
For port 6, it can communicate with the CPU via Mediatek Ethernet GMAC
through either the TRGMII or RGMII which could be controlled by phy-mode
in the dt-bindings to specify which mode is preferred to use. And for
port 5, only RGMII can be specified. However, currently, only port 6 is
being supported in this DSA driver.
The driver is made with the reference to qca8k and other existing DSA
driver. The most of the essential callbacks of the DSA are already
support in the driver, including tag insert for user port distinguishing,
port control, bridge offloading, STP setup and ethtool operation to allow
DSA to model each user port into a standalone netdevice as the other DSA
driver had done.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Landen Chao <Landen.Chao@mediatek.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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netdev instance
the patch adds the setup of the corresponding device node of GMAC into the
netdev instance which could allow other modules such as DSA to find the
instance through the node in dt-bindings using of_find_net_device_by_node()
call.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The patch adds the setup for allowing CDM can recognize these packets with
carrying port-distinguishing tag. Otherwise, these tagging packets will be
handled incorrectly by CDM. The setup is also working out for general
untag packets as well.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Landen Chao <Landen.Chao@mediatek.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the support for the 4-bytes tag for DSA port distinguishing inserted
allowing receiving and transmitting the packet via the particular port.
The tag is being added after the source MAC address in the ethernet
header.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Landen Chao <Landen.Chao@mediatek.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add device-tree binding for Mediatek MT7530 switch.
Cc: devicetree@vger.kernel.org
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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inet_rtm_getroute synthesizes a skeletal ICMP skb, which is passed to
ip_route_input when iif is given. If a multipath route is present for
the designated destination, fib_multipath_hash ends up being called with
that skb. However, as that skb contains no information beyond the
protocol type, the calculated hash does not match the one we would see
for a real packet.
There is currently no way to fix this for layer 4 hashing, as
RTM_GETROUTE doesn't have the necessary information to create layer 4
headers. To fix this for layer 3 hashing, set appropriate saddr/daddrs
in the skb and also change the protocol to UDP to avoid special
treatment for ICMP.
Signed-off-by: Florian Larysch <fl@n621.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Joao Pinto says:
====================
net: stmmac: adding multiple buffers
This patch adds multiple buffers to stmmac in a more fragmented
way, in order to make problem debug easier.
I would kindly request to people to test this patch in their HWs in
order to check if everything's functional. Thank you.
====================
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds the napi variable to the stmmac_rx_queue
structure and forces that operations like netif_queue_stopped,
netif_wake_queue, netif_stop_queue, netdev_reset_queue and
netdev_sent_queue be made by queue.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Tested-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds the structure stmmac_tx_queue which contains
tx queues specific data (previously in stmmac_priv).
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Tested-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds the structure stmmac_rx_queue which contains
rx queues specific data (previously in stmmac_priv).
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Tested-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch breaks several functions into RX and TX scopes, which
will be useful when adding multiple buffers mechanism.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Tested-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Tobias Klauser says:
====================
Use net_device_stats from struct net_device
Along the lines of previous patches, switch (almost) all remaining net
drivers to use net_device_stats from net_device instead of including a
copy of it in their netdev_priv struct.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of using a private copy of struct net_device_stats in struct
pegasus, use stats from struct net_device. Also remove the now
unnecessary .ndo_get_stats function.
Cc: Petko Manolov <petkan@nucleusys.com>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of using a private copy of struct net_device_stats in struct
kaweth_device, use stats from struct net_device. Also remove the now
unnecessary .ndo_get_stats function.
Cc: linux-usb@vger.kernel.org
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of using a private copy of struct net_device_stats in struct
typhoon, use stats from struct net_device.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of using a private copy of struct net_device_stats in struct
de_private, use stats from struct net_device.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of using a private copy of struct net_device_stats in struct
happy_meal, use stats from struct net_device.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of using a private copy of struct net_device_stats in struct
bigmac, use stats from struct net_device.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of using a private copy of struct net_device_stats in
struct w90p910_ether, use stats from struct net_device. Also remove
the now unnecessary .ndo_get_stats function.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of using a private copy of struct net_device_stats in struct
_mace_private, use stats from struct net_device.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of using a private copy of struct net_device_stats in struct
moxart_mac_priv_t, use stats from struct net_device. Also remove the now
unnecessary .ndo_get_stats function.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of using a private copy of struct net_device_stats in struct
macb, use stats from struct net_device.
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of using a private copy of struct net_device_stats in
struct emac_instance, use stats from struct net_device.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of using a private copy of struct net_device_stats in struct
netdev_private, use stats from struct net_device. Also remove the now
unnecessary .ndo_get_stats function and the #ifdef'ed increment of the
collisions16 counter which doesn't exist in struct net_device_stats.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of using a private copy of struct net_device_stats in
struct port_info, use stats from struct net_device.
Cc: Santosh Raspatur <santosh@chelsio.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of using a private copy of struct net_device_stats in struct
port_info, use stats from struct net_device.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Yuval Mintz says:
====================
qede: support XDP head adjustments
Daniel has brought to my attention the fact that qede is the only driver
that currently supports XDP but still fails any program where
xdp_adjust_head is set on the bpf_prog. This series is meant to remedy
this and align qede with the rest of the driver, making it possible to
remove said field.
Patch #1 contains a minor cache-saving optimization for latter patches.
Patches #2 & #3 address existing issues with the qede implementation
[#2 should have been a part of this as it addresses something that's
affected by the additional headroom; #3 is simply here for the ride].
Patches #4 & #5 add the necessary logic in driver for ingress headroom,
the first adding the infrastrucutre needed for supporting the headroon
[as currently qede doesn't support such], and the second removing the
existing XDP limitation.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case an XDP program is attached, reserve XDP_PACKET_HEADROOM
bytes at the beginning of the packet for the program to play
with.
Modify the XDP logic in the driver to fill-in the missing bits
and re-calculate offsets and length after the program has finished
running to properly reflect the current status of the packet.
We can then go and remove the limitation of not supporting XDP programs
where xdp_adjust_head is set.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver currently doesn't support any headroom; The only 'available'
space it has in the head of the buffer is due to the placement
offset.
In order to allow [later] support of XDP adjustment of headroom,
modify the the ingress flow to properly handle a scenario where
the packets would have such.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Current implementation of VFs is very tight in regard to queue
resources. VFs support for XDP would require quite a bit of additional
infrastructure in qede and qed [sharing of queue-zones between queues,
more VF cids, mapping of the doorbell bar, etc.].
For now, prevent XDP programs from being attached to VFs.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver is currently using dma_unmap_single() with the address it
passed to device for the purpose of forwarding, but the XDP
transmission buffer was originally a page allocated for the rx-queue.
The mapped address is likely to differ from the original mapped
address due to the placement offset.
This difference is going to get even bigger once we support headroom.
Cache the original mapped address of the page, and use it for unmapping
of the buffer when completion arrives for the XDP forwarded packet.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, each time an ingress packet is passed to networking stack
the driver increments a per-queue SW statistic.
As we want to have additional fields in the first cache-line of the
Rx-queue struct, change flow so this statistic would be updated once per
NAPI run. We will later push the statistic to a different cache line.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ursula Braun says:
====================
s390 patches for net-next
here are some cleanup patches for drivers/s390/net.
V2: respin, now patch "s390/qeth: improve endianness handling"
is supposed to apply cleanly to net-next
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace ntohs with endianness conversion for the SKB protocol assignment
to avoid an endianness warning reported by sparse. No functional change.
Signed-off-by: Hans Wippel <hwippel@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use endianness conversions for SKB protocol assignments and usage to
avoid endianness warnings reported by sparse. No functional changes.
Signed-off-by: Hans Wippel <hwippel@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Avoid endianness warnings reported by sparse by (1) using endianness
conversions for assigning and using network packet fields, and (2)
removing unnecessary endianness conversions from qeth_l3_rebuild_skb. No
functional changes.
Signed-off-by: Hans Wippel <hwippel@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1. options.add_hhlen is set but never used, drop it
2. clean up no longer required forward declarations
3. delete all sorts of unused defines
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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qeth_qdio_output_handler() is the only caller of
qeth_handle_send_error() and doesn't care about the return value.
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ac fields are bitmaps, so format them as hex.
While at it, also print the ac2 field.
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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better use the constant definitions.
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
40GbE Intel Wired LAN Driver Updates 2017-04-06
This series contains updates to i40e and i40evf.
Preethi adds support for the outer checksum and TSO offloads for
encapsulated packets for the VF.
Mitch fixes a possible memory leak, where we need to remove the client
instance when the driver unloads. Also we need to check to see if the
client (i40iw) is already present during probe, and add a client instance
if necessary. Lastly, make sure we close any attached clients when the
driver is removed or shut down to prevent a kernel panic.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the driver is removed or shut down, close any attached clients
(i.e. i40iw). This prevents a panic seen sometimes on forced driver
removal or system shutdown when iWarp is running.
Change-ID: I4f6161e5a73ffbb2fd5883567b007310302bfcb5
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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In some cases, a client (i40iw) may already be present when probe is
called. Check for this, and add a client instance if necessary.
Change-ID: I2009312694b7ad81f1023919e4c6c86181f21689
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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When the driver is unloaded, we need to remove the client instance,
otherwise we leak memory.
Change-ID: If1e7882ac1f6ce15d004722fafbe31afbe0adc9a
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch adds a capability negotiation between VF and PF using ENCAP/
ENCAP_CSUM offload flags in order for the VF to support outer checksum
and TSO offloads for encapsulated packets. These capabilities were assumed
by default and enabled in current hardware. Going forward, these features
needs to be negotiated with PF before advertising to the stack.
Additionally, strip out the mac.type checks for X722 since outer checksums
are enabled based on the ENCAP_CSUM offload negotiation flag and maintain
consistency between drivers in how the features are configured.
Change-ID: Ie380a6f57eca557a2bb575b66b12fae36d308920
Signed-off-by: Preethi Banala <preethi.banala@intel.com>
Signed-off-by: Alan Brady <alan.brady@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Benjamin Herrenschmidt says:
====================
ftgmac: Rework batch 2 - RX path
This is the second batch of updates to the ftgmac100 driver.
This one tackles the RX path of the driver, simplifying
it greatly to match common practice while significantly
increasing the performance.
(The bulk of the performance gains of my series will be
provided by the TX path improvements, notably fragmented
sends, these will be in the next batch).
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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