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To avoid ifdefs in the other code that supports DCB notifiers
add stub routines. This method seems popular in other net code
for example 8021Q.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add DCBX mode to event notifiers so listeners can learn
currently enabled mode.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use ifindex instead of ifname in the DCB app ring. This makes for a smaller
data structure and faster comparisons. It also avoids possible issues when
a net device is renamed.
Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch verifies that the length of a buffer stored in a linked list
of pages is small enough to fit into a skb.
If the size is larger than a max size of a skb, it means that we shouldn't
go ahead building skbs anyway since we won't be able to send the buffer as
the user requested.
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: virtualization@lists.linux-foundation.org
Cc: netdev@vger.kernel.org
Cc: kvm@vger.kernel.org
Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is based on an earlier patch by Nick Carter with comments
by David Lamparter but with some refinements. Thanks for their patience
this is a confusing area with overlap of standards, user requirements,
and compatibility with earlier releases.
It adds a new sysfs attribute
/sys/class/net/brX/bridge/group_fwd_mask
that controls forwarding of frames with address of: 01-80-C2-00-00-0X
The default setting has no forwarding to retain compatibility.
One change from earlier releases is that forwarding of group
addresses is not dependent on STP being enabled or disabled. This
choice was made based on interpretation of tie 802.1 standards.
I expect complaints will arise because of this, but better to follow
the standard than continue acting incorrectly by default.
The filtering mask is writeable, but only values that don't forward
known control frames are allowed. It intentionally blocks attempts
to filter control protocols. For example: writing a 8 allows
forwarding 802.1X PAE addresses which is the most common request.
Reported-by: David Lamparter <equinox@diac24.net>
Original-patch-by: Nick Carter <ncarter100@gmail.com>
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Tested-by: Benjamin Poirier <benjamin.poirier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Only function 1 has support for Alternate MAC Address in the EEPROM before,
this update now allow function 2 and 3 to have support for Alternate MAC
Address in the EEPROM.
Signed-off-by: "Akeem G. Abodunrin" <akeem.g.abodunrin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This code check word 0x37 in the EEPROM, if it is 0xFFFF _or_ 0x0000, then
there is no Alternate MAC Address in the EEPROM.
Signed-off-by: "Akeem G. Abodunrin" <akeem.g.abodunrin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch fixes "overwrite" problem. without this fix, SFP I2C EEPROM
data, which is located at A0 can be overwritten by the phy write function.
Signed-off-by: "Akeem G. Abodunrin" <akeem.g.abodunrin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Receiving PFC (priority flow control) frames while the feature
is off should not pause the traffic class. On the X540 devices
the traffic class react to frames if it was previously enabled
because the field is incorrectly cleared.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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X540 devices can only support up to 4 traffic classes and
guarantee a "lossless" traffic class on some platforms.
This patch sets the X540 devices to initialize a max
traffic class value of 4 at probe time.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch correctly configures DCB when less than 8 traffic classes
are available in hardware.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Fix PFC mask generation to OR in only a single bit for each priority in
the PFC mask returned via netlink.
Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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PCI device ID 0x1501 has a hardware bug when the link downshifts for
whatever reason which requires a workaround. The workaround already exists
for other similar devices but is not called for 0x1501 (it should be called
for any ICH8-based device that uses a GbE PHY). There is also one other
instance when the workaround should be called - after disabling gigabit
speed when going to Sx.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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During suspend, the PHY must be reset for workaround updates to take effect
without restarting auto-negotiation. Also, set the disable GbE and enable
Low Power Link Up (LPLU) if the EEPROM is configured to do likewise in
either D0 or non-D0a instead of just the latter.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This code is after the break statement so it never gets used. The
"vlan_mac_obj" variable does get initialized properly, so we can just
delete this.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Divy Le Ray <divy@chelsio.com>
Cc: Dimitris Michailidis <dm@chelsio.com>
Cc: Casey Leedom <leedom@chelsio.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Divy Le Ray <divy@chelsio.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Jon Mason <mason@myri.com>
Cc: Andrew Gallatin <gallatin@myri.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Abhishek Kane <v-abkane@microsoft.com>
Cc: devel@driverdev.osuosl.org
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Mark Einon <mark.einon@gmail.com>
Cc: devel@driverdev.osuosl.org
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: xen-devel@lists.xensource.com
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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netback currently uses frag->page to store a temporary index reference while
processing incoming requests. Since frag->page is to become opaque switch
instead to using page_offset. Add a wrapper to tidy this up and propagate the
fact that the indexes are only u16 through the code (this was already true in
practice but unsigned long and in were inconsistently used as variable and
parameter types)
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: xen-devel@lists.xensource.com
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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[ Use DMA_TO_DEVICE and dma_mapping_error() -DaveM ]
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Jon Mason <jdmason@kudzu.us>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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82598 and 82599 do not ship with this type of PHY
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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There is a problem in the ixgbe driver with the reporting of the flow
control parameters. The autoneg parameter is shown to be of if
*either* it really is off, or current modes for both tx and rx are off.
The problem is seen when the parameters are read or set when the link
is down. In this case, the driver sees that tx and rx are currently off
and therefore autoneg parameter is incorrectly reported to be off too.
Also, the ethtool binary can not set the autoneg off since it sees that
it already is. When a link later comes up, the autonegotiation is
carried out normally and the driver later on reports the autoneg
parameter to be on (as it is) and then it can also be changed with
ethtool.
The patch is made against v3.0 kernel, but the problem seems to be there
since v2.6.30-rc1.
Reviewer comments: What we are trying to do is to disable flow control
while the cable is disconnected. Since ixgbe defaults to full flow
control, we call ethtool -A autoneg off rx off tx off while the cable
is disconnected. This doesn't work, because the driver sets
hw->fc.current_mode = ixgbe_fc_none if the cable is unplugged.
ixgbe_get_pauseparam() then reports to ethtool that nothing needs to be
done. The code fixes this, but it might have some unknown consequences.
Signed-off-by: Mika Lansirinne <mika.lansirinne@stonesoft.com>
Reviewed-by: Esa-Pekka Pyokkimies <esa-pekka.pyokkimies@stonesoft.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Disabling flow control in ixgbe_check_mac_link() results in incorrect
reporting by ethtool when link goes down, so remove it.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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MFLCN register is used to set Rx flow control on parts newer than 82598.
This patch sends the value of MFLCN to ethtool, so it can be used in a
register dump (ethtool -d).
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch adds support for new device ID.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch fixes an issue with storing the driver version for the
firmware. If the os does not support the particular firmware
management tools, the firmware requires a driver version to be written
as 0xFFFFFFFF rather than the actual driver version.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Since ixgbe_raise_i2c_clk() can never return anything else than 0
this patch removes it's return value and all checks for it.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Clear the data field in ixgbe_read_i2c_byte_generic so it does not
accumulate 1 bit using the same variable multiple times.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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It some situations the driver sets __IXGBE_RESETTING and then
__IXGBE_DOWN flags. It is possible a link check may sneak in
between.
This patch adds check for both flags.
The idea is to reduce register reads while the PHY is resetting.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The initial function and setup tables can be marked as constant.
Reported-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
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drivers/net/built-in.o: In function `bfa_ioc_ct2_poweron':
(.text+0xcdc90): multiple definition of `bfa_ioc_ct2_poweron'
drivers/scsi/built-in.o:(.text+0x17f9a0): first defined here
This patch renames bfa_ioc_ct2_poweron() to bfa_nw_ioc_ct2_poweron() to avoid
multiple definition with Brocade scsi driver. It also modifies asic specific
interface setup to allocate MSIX resources at power on in case of 1860 HW with
no asic block and warns if the asic gen is neither BFI_ASIC_GEN_CT nor
BFI_ASIC_GEN_CT2.
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Rasesh Mody <rmody@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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check patch was complaining...mostly replaced:
if ((ret = asix_foo(xx)) < 0) ...
with
ret = asix_foo(xx);
if (ret < 0) ...
Signed-off-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Asix provided this patch and I've confirmed "Plugable USB2-E1000" and
"Shenzhen Winstars NWU220G" USB dongles can get a link and TX/RX data.
Signed-off-by: "Freddy Xin" <freddy@asix.com.tw>
Signed-off-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix phy initialization for AX88772 (USB 2.0 100BT). Failure was
occasionally DHCP wouldn't work after reboot or suspend/resume cycle.
Remove MONITOR_MODE. In this mode, Received packets are not buffered when
the remote wakeup is enabled.
Signed-off-by: "Freddy Xin" <freddy@asix.com.tw>
Signed-off-by: Grant Grundler <grundler@chromium.org>
Acked-by: Olof Johansson <olofj@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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removing obsoleted sysctl,
ip_rt_gc_interval variable no longer used since 2.6.38
Signed-off-by: Vasily Averin <vvs@sw.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Mostly PHY access and a few (ugly) debug statements for DMA control.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The firmware is cached during the first successful call to open() and
released once the network device is unregistered. The driver uses the
cached firmware between open() and unregister_netdev().
It's similar to 953a12cc2889d1be92e80a2d0bab5ffef4942300 but the
firmware is mandatory.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This repairs problem with compile library in userspace (libnl).
Signed-off-by: Jiří Župka <jzupka@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allows ss command (iproute2) to display "ecnseen" if at least one packet
with ECT(0) or ECT(1) or ECN was received by this socket.
"ecn" means ECN was negotiated at session establishment (TCP level)
"ecnseen" means we received at least one packet with ECT fields set (IP
level)
ss -i
...
ESTAB 0 0 192.168.20.110:22 192.168.20.144:38016
ino:5950 sk:f178e400
mem:(r0,w0,f0,t0) ts sack ecn ecnseen bic wscale:7,8 rto:210
rtt:12.5/7.5 cwnd:10 send 9.3Mbps rcv_space:14480
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The following commit removed some including headers:
"net: sh_eth: move the asm/sh_eth.h to include/linux/"
(commit id: d4fa0e35fdbd54acf791fa3793d6d17f7795f7ae)
Then, the build failure happened on the linux-next:
drivers/net/ethernet/renesas/sh_eth.c:601: error: 'THIS_MODULE' undeclared here (not in a function)
drivers/net/ethernet/renesas/sh_eth.c:1970: error: expected declaration specifiers or '...' before string constant
drivers/net/ethernet/renesas/sh_eth.c:1970: warning: data definition has no type or storage class
drivers/net/ethernet/renesas/sh_eth.c:1970: warning: type defaults to 'int' in declaration of 'MODULE_AUTHOR'
drivers/net/ethernet/renesas/sh_eth.c:1970: warning: function declaration isn't a prototype
drivers/net/ethernet/renesas/sh_eth.c:1971: error: expected declaration specifiers or '...' before string constant
drivers/net/ethernet/renesas/sh_eth.c:1971: warning: data definition has no type or storage class
drivers/net/ethernet/renesas/sh_eth.c:1971: warning: type defaults to 'int' in declaration of 'MODULE_DESCRIPTION'
drivers/net/ethernet/renesas/sh_eth.c:1971: warning: function declaration isn't a prototype
drivers/net/ethernet/renesas/sh_eth.c:1972: error: expected declaration specifiers or '...' before string constant
drivers/net/ethernet/renesas/sh_eth.c:1972: warning: data definition has no type or storage class
drivers/net/ethernet/renesas/sh_eth.c:1972: warning: type defaults to 'int' in declaration of 'MODULE_LICENSE'
drivers/net/ethernet/renesas/sh_eth.c:1972: warning: function declaration isn't a prototype
This patch fixes the issue. This patch also get back include/kernel.h
and linux/spinlock.h.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The allocation of "phyinfo" wasn't checked, and also the allocation
wasn't freed on error paths. Sjur Brændeland pointed out as well
that "phy_driver" should be freed on the error path too.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Need to allow application to update existing fdb entries that already
exist. This makes bridge netlink neighbor API have same flags and
semantics as ip neighbor table.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When port is added to a bridge, the old code would send the new neighbor
netlink message before the subsequent new link message. This bug makes
it difficult to use the monitoring API in an application.
This code changes the ordering to add the forwarding entry
after the port is setup. One of the error checks (for invalid address)
is moved earlier in the process to avoid having to do unwind.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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John Fastabend
Mark Rustad
Sasha Levin
stephen hemminger
Akeem G. Abodunrin
Bruce Allan
Dan Carpenter
Ian Campbell
Emil Tantilov
Mika Lansirinne
Jacob Keller
Jeff Kirsher
Rasesh Mody
Grant Grundler
Vasily Averin
françois romieu
Jiří Župka
Eric Dumazet
Yoshihiro Shimoda