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This method allows the controlling device (i.e. the bridge) to specify
additional headroom to be allocated for skb head on frame reception.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Michael Chan says:
====================
bnxt_en: updates for net-next.
Miscellaneous updates covering SRIOV, IRQ coalescing, firmware logging and
package version for net-next. Thanks.
v2: Updated description and added more comments for patch 1. Fixed
function parameters formatting for patch 4.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is used to send NVM_FIND_DIR_ENTRY messages which can return error
if the entry is not found. This is normal and the error message will
cause unnecessary alarm, so silence it.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a new function bnxt_do_send_msg() to do essentially the same thing
with an additional paramter to silence error response messages. All
current callers will set silent to false.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For everything to fit, we remove the PHY microcode version and replace it
with the firmware package version in the fw_version string.
Signed-off-by: Rob Swindell <swindell@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use appropriate firmware request header structure to prepare the
firmware messages. This avoids the unnecessary conversion of the
fields to 32-bit fields. Add appropriate endian conversion when
printing out the message fields in dmesg so that they appear correct
in the log.
Reported-by: Rob Swindell <swindell@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Before this patch, we used a hardcoded value of 500 msec as the default
value for firmware message response timeout. For better portability with
future hardware or debug platforms, use the value provided by firmware in
the first response and store it for all susequent messages. Redefine the
macro HWRM_CMD_TIMEOUT to the stored value. Since we don't have the
value yet in the first message, use the 500 ms default if the stored value
is zero.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When tx and rx rings don't share the same completion ring, tx coalescing
parameters can be set differently from the rx coalescing parameters.
Otherwise, use rx coalescing parameters on shared completion rings.
Adjust rx coalescing default values to lower interrupt rate.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a function to set all the coalescing parameters. The function can
be used later to set both rx and tx coalescing parameters.
v2: Fixed function parameters formatting requested by DaveM.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Don't convert these to internal hardware tick values before storing
them. This avoids the confusion of ethtool -c returning slightly
different values than the ones set using ethtool -C when we convert
hardware tick values back to micro seconds. Add better comments for
the hardware settings.
Also, rename the current set of coalescing fields with rx_ prefix.
The next patch will add support of tx coalescing values.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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During remove_one() when SRIOV is enabled, the PF driver
should broadcast PF driver unload notification to all
VFs that are attached to VMs. Upon receiving the PF
driver unload notification, the VF driver should print
a warning message to message log. Certain operations on the
VF may not succeed after the PF has unloaded.
Signed-off-by: Jeffrey Huang <huangjw@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow the VF to setup its own MAC address if the PF has not administratively
set it for the VF. To do that, we should always store the MAC address
from the firmware. There are 2 cases:
1. The MAC address is valid. This MAC address is assigned by the PF and
it needs to override the current VF MAC address.
2. The MAC address is zero. The VF will use a random MAC address by default.
By storing this 0 MAC address in the VF structure, it will allow the VF
user to change the MAC address later using ndo_set_mac_address() when
it sees that the stored MAC address is 0.
v2: Expanded descriptions and added more comments.
Signed-off-by: Jeffrey Huang <huangjw@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
pull-request: can-next 2016-02-26
this is a pull request of 3 patch for net-next/master.
There are two patches by Simon Horman, in which the device tree support
for the rcar_can driver is improved. One patch by me fixes the bad
coding style of the ems_usb driver which was introduced recently.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Woojung Huh says:
====================
lan78xx: driver update
This patch series add new ethtool functions of set_pauseparam & get_pauseparam
and MAINTAINERS entry.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add maintainers for Microchip LAN78XX.
UNGLinuxDriver@microchip.com is alias email which goes to current
developers work for Microchip Network related products.
Signed-off-by: Woojung Huh <woojung.huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add ethtool operations of set_pauseram and get_pauseparm.
Signed-off-by: Woojung Huh <woojung.huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is not required after commit cd772de358d6
("phy: keep pause flags in phy driver features")
Signed-off-by: Woojung Huh <woojung.huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace devid to chipid & chiprev for easy access.
Signed-off-by: Woojung Huh <woojung.huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch allows the user to set and retrieve speed and duplex of the
hv_netvsc device via ethtool.
Example:
$ ethtool eth0
Settings for eth0:
...
Speed: Unknown!
Duplex: Unknown! (255)
...
$ ethtool -s eth0 speed 1000 duplex full
$ ethtool eth0
Settings for eth0:
...
Speed: 1000Mb/s
Duplex: Full
...
This is based on patches by Roopa Prabhu and Nikolay Aleksandrov.
Signed-off-by: Simon Xiao <sixiao@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cong Wang says:
====================
net_sched: update backlog for hierarchical qdisc's
For hierarchical qdisc like HTB, we currently only update its qlen
but leave its backlog as zero:
qdisc htb 1: dev eth0 root refcnt 2 r2q 10 default 1 direct_packets_stat 0 ver 3.17
Sent 172680457356 bytes 222469449 pkt (dropped 0, overlimits 123575834 requeues 0)
backlog 0b 72p requeues 0
This patchset makes backlog as accurate as qlen.
v3: rebase and fix the n==0 case for qdisc_tree_reduce_backlog()
v2: rebase and update changelog, not code change
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Similarly, we need to update backlog too when we update qlen.
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We saw qlen!=0 but backlog==0 on our production machine:
qdisc htb 1: dev eth0 root refcnt 2 r2q 10 default 1 direct_packets_stat 0 ver 3.17
Sent 172680457356 bytes 222469449 pkt (dropped 0, overlimits 123575834 requeues 0)
backlog 0b 72p requeues 0
The problem is we only count qlen for HTB qdisc but not backlog.
We need to update backlog too when we update qlen, so that we
can at least know the average packet length.
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the bottom qdisc decides to, for example, drop some packet,
it calls qdisc_tree_decrease_qlen() to update the queue length
for all its ancestors, we need to update the backlog too to
keep the stats on root qdisc accurate.
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove nearly duplicated code and prepare for the following patch.
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The AG6xx devices behave similar to Wilkens Peak and Stone Peak and with
that it is needed to check for Intel default address. In addition it is
possible to enable vendor events and diag support.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
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Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
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Lists all neighbours detected by the Echo Locating Protocol
(ELP) and their throughput metric.
Initially Developed by Linus during a 6 months trainee study
period in Ascom (Switzerland) AG.
Signed-off-by: Linus Luessing <linus.luessing@web.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
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Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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In case of an unused wireless link, the mac80211 throughput estimation
won't get updated further. Consequently, the reported throughput metric
will become obsolete.
With this patch unicast sampling is introduced by periodically sending
unicast ELP packets to each neighbor on idle WiFi links. These sampling
packets will fill an entire frame, so that the measurement is as
reliable as possible
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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In case of wireless interface retrieve the throughput by
querying cfg80211. To perform this call a separate work
must be scheduled because the function may sleep and this
is not allowed within an RCU protected context (RCU in this
case is used to iterate over all the neighbours).
Use ethtool to retrieve information about an Ethernet link
like HALF/FULL_DUPLEX and advertised bandwidth (e.g.
100/10Mbps).
The metric is updated each time a new ELP packet is sent,
this way it is possible to timely react to a metric
variation which can imply (for example) a neighbour
disconnection.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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To enable ELP to send probing packets over wireless links
only if needed, batman-adv must keep track of the last time
it sent a unicast packet towards every neighbour.
For this purpose a 2 main changes are introduced:
1) a new member of the elp_neigh_node structure stores the
last time a unicast packet was sent towards this neighbour;
2) a wrapper function for sending unicast packets is
implemented. This function will simply update the member
describe din point 1) and then forward the packet to the
real sending routine.
Point 2) implies that any code-path leading to a unicast
sending now has to use the new wrapper.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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This attribute is exported to user space to disable the link
throughput auto-detection by setting a fixed value.
The throughput override value is used when batman-adv is
computing the link throughput towards a neighbour.
If the value is set to 0 then batman-adv will try to detect
the throughput by itself.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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Add the support for recognising new originators in the
network and rebroadcast their OGMs.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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This is the initial implementation of the new OGM protocol
(version 2). It has been designed to work on top of the
newly added ELP.
In the previous version the OGM protocol was used to both
measure link qualities and flood the network with the metric
information. In this version the protocol is in charge of
the latter task only, leaving the former to ELP.
This means being able to decouple the interval used by the
neighbor discovery from the OGM broadcasting, which revealed
to be costly in dense networks and needed to be relaxed so
leading to a less responsive routing protocol.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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This parameter can be set individually on each interface and
allows the configuration of the elp interval for the link
quality measurements during runtime. Usually it is desirable
to set it to a higher (= slower) value on interfaces which
have a more static characteristic (e.g. wired interfaces)
or very dense neighbourhoods to reduce overhead.
Developed by Linus during a 6 months trainee study period in
Ascom (Switzerland) AG.
Signed-off-by: Linus Luessing <linus.luessing@web.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
[antonio@open-mesh.com: respin on top of the latest master]
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
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Initially developed by Linus during a 6 months trainee study
period in Ascom (Switzerland) AG.
Signed-off-by: Linus Luessing <linus.luessing@web.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
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The B.A.T.M.A.N. protocol originally only used a single
message type (called OGM) to determine the link qualities to
the direct neighbors and spreading these link quality
information through the whole mesh. This procedure is
summarized on the BATMAN concept page and explained in
details in the RFC draft published in 2008.
This approach was chosen for its simplicity during the
protocol design phase and the implementation. However, it
also bears some drawbacks:
* Wireless interfaces usually come with some packet loss,
therefore a higher broadcast rate is desirable to allow
a fast reaction on flaky connections.
Other interfaces of the same host might be connected to
Ethernet LANs / VPNs / etc which rarely exhibit packet
loss would benefit from a lower broadcast rate to reduce
overhead.
* It generally is more desirable to detect local link
quality changes at a faster rate than propagating all
these changes through the entire mesh (the far end of
the mesh does not need to care about local link quality
changes that much). Other optimizations strategies, like
reducing overhead, might be possible if OGMs weren't
used for all tasks in the mesh at the same time.
As a result detecting local link qualities shall be handled
by an independent message type, ELP, whereas the OGM message
type remains responsible for flooding the mesh with these
link quality information and determining the overall path
transmit qualities.
Developed by Linus during a 6 months trainee study period in
Ascom (Switzerland) AG.
Signed-off-by: Linus Luessing <linus.luessing@web.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
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This allows us to easily add a sysfs parameter for an
unsigned int later, which is not for a batman mesh interface
(e.g. bat0), but for a common interface instead. It allows
reading and writing an atomic_t in hard_iface (instead of
bat_priv compared to the mesh variant).
Developed by Linus during a 6 months trainee study period in
Ascom (Switzerland) AG.
Signed-off-by: Linus Luessing <linus.luessing@web.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
[antonio@open-mesh.com: rename functions and move macros]
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
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In commit 5b6490def9168af6a ("3c59x: Use setup_timer()") Amitoj
removed add_timer which sets up the epires timer. In this patch
the behavior is restore but it uses mod_timer which is a bit more
compact.
Signed-off-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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T: Bus=01 Lev=01 Prnt=01 Port=04 Cnt=03 Dev#= 5 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=04ca ProdID=3014 Rev=00.02
C: #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
BugLink: https://bugs.launchpad.net/bugs/1546694
Signed-off-by: Dmitry Tunin <hanipouspilot@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Cc: stable@vger.kernel.org
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We intended to return PTR_ERR() here instead of 1.
Fixes: 1f9993f6825f ('rocker: fix a neigh entry leak issue')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jiri Pirko <jiri@mellanox.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:
====================
1GbE Intel Wired LAN Driver Updates 2016-02-24
This series contains updates to e1000e, igb and igbvf.
Raanan provides updates for e1000e, first increases the ULP timer since it
now takes longer for the ULP exit to complete on Skylake. Fixes the
configuration of the internal hardware PHY clock gating mechanism, which was
causing packet loss due to mis configuring. Fixed additional ULP
configuration settings which were not being properly cleared after cable
connect in V-Pro capable systems. Added support for more i219 devices.
Takuma Ueba provides a fix for I210 where IPv6 autoconf test sometimes
fails due to DAD NS for link-local is not transmitted. To avoid this
issue, we need to wait until 1000BASE-T status register "Remote receiver
status OK".
Todd provides a patch to override EEPROM WoL settings for specific OEM
devices. Then renamed igb defines to be more generic, since the define
E1000_MRQC_ENABLE_RSS_4Q enables 4 and 8 queues depending on the part.
Roland Hii fixes an issue where only the half cycle time of less than or
equal to 70 millisecond uses the I210 clock output function. His patch
adds additional conditions when half cycle time is equal to 125 or 250 or
500 millisecond to use the clock output function.
Alex Duyck adds support for generic transmit checksums for igb and igbvf.
Jon Maxwell fixes an issues where customer applications are registering
and un-registering multicast addresses every few seconds which is leading
to many "Link is up" messages in the logs as a result of the
netif_carrier_off(netdev) in igbvf_msix_other(). So remove the
link is up message when registering multicast addresses.
Corinna Vinschen provides a fix for when switching off VLAN offloading on
i350, the VLAN interface becomes unusable.
Stefan Assmann updates the driver to use ndo_stop() instead of
dev_close() when running ethtool offline self test. Since dev_close()
causes IFF_UP to be cleared which will remove the interfaces routes
and some addresses.
v2: Dropped patches 6-10 in the original series. Patch 6-7 added support
for character device for AVB and based on community feedback, we do not
want to do this. Patches 8-10 provided fixes to the problematic code
added in patches 6 & 7. So all of them must go!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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On reviewing the code I realized that GRE and UDP tunnels could cause a
kernel panic if we used GSO to segment a large UDP frame that was sent
through the tunnel with an outer checksum and hardware offloads were not
available.
In order to correct this we need to update the feature flags that are
passed to the skb_segment function so that in the event of UDP
fragmentation being requested for the inner header the segmentation
function will correctly generate the checksum for the payload if we cannot
segment the outer header.
Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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David Ahern says:
====================
net: l3mdev: Fix source address for unnumbered deployments
David Lamparter noted a use case where the source address selection fails
to pick an address from a VRF interface - unnumbered interfaces. The use
case has the VRF device as the VRF local loopback with addresses and
interfaces enslaved without an address themselves. e.g,
ip addr add 9.9.9.9/32 dev lo
ip link set lo up
ip link add name vrf0 type vrf table 101
ip rule add oif vrf0 table 101
ip rule add iif vrf0 table 101
ip link set vrf0 up
ip addr add 10.0.0.3/32 dev vrf0
ip link add name dummy2 type dummy
ip link set dummy2 master vrf0 up
--> note dummy2 has no address - unnumbered device
ip route add 10.2.2.2/32 dev dummy2 table 101
ip neigh add 10.2.2.2 dev dummy2 lladdr 02:00:00:00:00:02
ping to the 10.2.2.2 through the L3 domain:
$ ping -I vrf0 -c1 10.2.2.2
ping: Warning: source address might be selected on device other than vrf0.
PING 10.2.2.2 (10.2.2.2) from 9.9.9.9 vrf0: 56(84) bytes of data.
picks up the wrong address -- the one from 'lo' not vrf0. And from tcpdump:
12:57:29.449128 IP 9.9.9.9 > 10.2.2.2: ICMP echo request, id 2491, seq 1, length 64
This patch series changes address selection to only consider devices in
the same L3 domain and to use the VRF device as the L3 domains loopback.
$ ping -I vrf0 -c1 10.2.2.2
PING 10.2.2.2 (10.2.2.2) from 10.0.0.3 vrf0: 56(84) bytes of data.
From tcpdump:
12:59:25.096426 IP 10.0.0.3 > 10.2.2.2: ICMP echo request, id 2113, seq 1, length 64
Now the source address comes from vrf0.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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When selecting an address in context of a VRF, the vrf master should be
preferred for address selection. If it isn't, the user has a hard time
getting the system to select to their preference - the code will pick
the address off the first in-VRF interface it can find, which on a
router could well be a non-routable address.
Signed-off-by: David Lamparter <equinox@diac24.net>
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
[dsa: Fixed comment style and removed extra blank link ]
Signed-off-by: David S. Miller <davem@davemloft.net>
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David Lamparter noted a use case where the source address selection fails
to pick an address from a VRF interface - unnumbered interfaces.
Relevant commands from his script:
ip addr add 9.9.9.9/32 dev lo
ip link set lo up
ip link add name vrf0 type vrf table 101
ip rule add oif vrf0 table 101
ip rule add iif vrf0 table 101
ip link set vrf0 up
ip addr add 10.0.0.3/32 dev vrf0
ip link add name dummy2 type dummy
ip link set dummy2 master vrf0 up
--> note dummy2 has no address - unnumbered device
ip route add 10.2.2.2/32 dev dummy2 table 101
ip neigh add 10.2.2.2 dev dummy2 lladdr 02:00:00:00:00:02
tcpdump -ni dummy2 &
And using ping instead of his socat example:
$ ping -I vrf0 -c1 10.2.2.2
ping: Warning: source address might be selected on device other than vrf0.
PING 10.2.2.2 (10.2.2.2) from 9.9.9.9 vrf0: 56(84) bytes of data.
>From tcpdump:
12:57:29.449128 IP 9.9.9.9 > 10.2.2.2: ICMP echo request, id 2491, seq 1, length 64
Note the source address is from lo and is not a VRF local address. With
this patch:
$ ping -I vrf0 -c1 10.2.2.2
PING 10.2.2.2 (10.2.2.2) from 10.0.0.3 vrf0: 56(84) bytes of data.
>From tcpdump:
12:59:25.096426 IP 10.0.0.3 > 10.2.2.2: ICMP echo request, id 2113, seq 1, length 64
Now the source address comes from vrf0.
The ipv4 function for selecting source address takes a const argument.
Removing the const requires touching a lot of places, so instead
l3mdev_master_ifindex_rcu is changed to take a const argument and then
do the typecast to non-const as required by netdev_master_upper_dev_get_rcu.
This is similar to what l3mdev_fib_table_rcu does.
IPv6 for unnumbered interfaces appears to be selecting the addresses
properly.
Cc: David Lamparter <david@opensourcerouting.org>
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes the return value in a case which should never occur.
Instead returning "-EINVAL" we return LOWPAN_IPHC_DAM_00 which is
invalid on context based addresses. Also change the WARN_ON_ONCE to
WARN_ONCE which was suggested by Dan Carpenter.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alexander Aring <aar@pengutronix.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Simply document new compatibility string.
As a previous patch adds a generic R-Car Gen2 compatibility string
there appears to be no need for a driver updates.
By documenting these compat stings they may be used in DTSs shipped, for
example as part of ROMs. They must be used in conjunction with the Gen2
fallback compat string. At this time there are no known differences between
the r8a779[234] IP blocks and that implemented by the driver for the Gen2
fallback compat string. Thus there is no need to update the driver as the
use of the Gen2 fallback compat string will activate the correct code in
the current driver while leaving the option for r8a779[234]-specific driver
code to be activated in an updated driver should the need arise.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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