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2015-07-30tipc: extend node FSMJon Paul Maloy2-11/+92
In the next commit, we will move link synch/failover orchestration to the link aggregation level. In order to do this, we first need to extend the node FSM with two more states, NODE_SYNCHING and NODE_FAILINGOVER, plus four new events to enter and leave those states. This commit introduces this change, without yet making use of it. The node FSM now looks as follows: +-----------------------------------------+ | PEER_DOWN_EVT| | | +------------------------+----------------+ | |SELF_DOWN_EVT | | | | | | | | +-----------+ +-----------+ | | |NODE_ | |NODE_ | | | +----------|FAILINGOVER|<---------|SYNCHING |------------+ | | |SELF_ +-----------+ FAILOVER_+-----------+ PEER_ | | | |DOWN_EVT | A BEGIN_EVT A | DOWN_EVT| | | | | | | | | | | | | | | | | | | | |FAILOVER_|FAILOVER_ |SYNCH_ |SYNCH_ | | | | |END_EVT |BEGIN_EVT |BEGIN_EVT|END_EVT | | | | | | | | | | | | | | | | | | | | | +--------------+ | | | | | +------->| SELF_UP_ |<-------+ | | | | +----------------| PEER_UP |------------------+ | | | | |SELF_DOWN_EVT +--------------+ PEER_DOWN_EVT| | | | | | A A | | | | | | | | | | | | | | PEER_UP_EVT| |SELF_UP_EVT | | | | | | | | | | | V V V | | V V V +------------+ +-----------+ +-----------+ +------------+ |SELF_DOWN_ | |SELF_UP_ | |PEER_UP_ | |PEER_DOWN | |PEER_LEAVING|<------|PEER_COMING| |SELF_COMING|------>|SELF_LEAVING| +------------+ SELF_ +-----------+ +-----------+ PEER_ +------------+ | DOWN_EVT A A DOWN_EVT | | | | | | | | | | SELF_UP_EVT| |PEER_UP_EVT | | | | | | | | | |PEER_DOWN_EVT +--------------+ SELF_DOWN_EVT| +------------------->| SELF_DOWN_ |<--------------------+ | PEER_DOWN | +--------------+ Tested-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30tipc: reverse call order for link_reset()->node_link_down()Jon Paul Maloy2-14/+22
In many cases the call order when a link is reset goes as follows: tipc_node_xx()->tipc_link_reset()->tipc_node_link_down() This is not the right order if we want the node to be in control, so in this commit we change the order to: tipc_node_xx()->tipc_node_link_down()->tipc_link_reset() The fact that tipc_link_reset() now is called from only one location with a well-defined state will also facilitate later simplifications of tipc_link_reset() and the link FSM. Tested-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30tipc: move all link_reset() calls to link aggregation levelJon Paul Maloy5-69/+104
In line with our effort to let the node level have full control over its links, we want to move all link reset calls from link.c to node.c. Some of the calls can be moved by simply moving the calling function, when this is the right thing to do. For the remaining calls we use the now established technique of returning a TIPC_LINK_DOWN_EVT flag from tipc_link_rcv(), whereafter we perform the reset call when the call returns. This change serves as a preparation for the coming commits. Tested-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30tipc: eliminate function tipc_link_activate()Jon Paul Maloy3-16/+8
The function tipc_link_activate() is redundant, since it mostly performs settings that have already been done in a preceding tipc_link_reset(). There are three exceptions to this: - The actual state change to TIPC_LINK_WORKING. This should anyway be done in the FSM, and not in a separate function. - Registration of the link with the bearer. This should be done by the node, since we don't want the link to have any knowledge about its specific bearer. - Call to tipc_node_link_up() for user access registration. With the new role distribution between link aggregation and link level this becomes the wrong call order; tipc_node_link_up() should instead be called directly as a result of a TIPC_LINK_UP event, hence by the node itself. This commit implements those changes. Tested-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30net/ipv6: add sysctl option accept_ra_min_hop_limitHangbin Liu5-9/+27
Commit 6fd99094de2b ("ipv6: Don't reduce hop limit for an interface") disabled accept hop limit from RA if it is smaller than the current hop limit for security stuff. But this behavior kind of break the RFC definition. RFC 4861, 6.3.4. Processing Received Router Advertisements A Router Advertisement field (e.g., Cur Hop Limit, Reachable Time, and Retrans Timer) may contain a value denoting that it is unspecified. In such cases, the parameter should be ignored and the host should continue using whatever value it is already using. If the received Cur Hop Limit value is non-zero, the host SHOULD set its CurHopLimit variable to the received value. So add sysctl option accept_ra_min_hop_limit to let user choose the minimum hop limit value they can accept from RA. And set default to 1 to meet RFC standards. Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Acked-by: YOSHIFUJI Hideaki <hideaki.yoshifuji@miraclelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30net: phy: spi_ks8995: clean up ks8995_registers_read/writeVladimir Zapolskiy1-22/+0
The change removes redundant sysfs binary file boundary checks, since this task is already done on caller side in fs/sysfs/file.c Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30bpf: also show process name/pid in bpf_jit_dumpDaniel Borkmann1-2/+4
It can be useful for testing to see the actual process/pid who is loading a given filter. I was running some BPF test program and noticed unusual filter loads from time to time, triggered by some other application in the background. bpf_jit_disasm is still working after this change. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30bpf, x86/sparc: show actual number of passes in bpf_jit_dumpDaniel Borkmann2-2/+2
When bpf_jit_compile() got split into two functions via commit f3c2af7ba17a ("net: filter: x86: split bpf_jit_compile()"), bpf_jit_dump() was changed to always show 0 as number of compiler passes. Change it to dump the actual number. Also on sparc, we count passes starting from 0, so add 1 for the debug dump as well. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30bpf: provide helper that indicates eBPF was migratedDaniel Borkmann2-1/+11
During recent discussions we had with Michael, we found that it would be useful to have an indicator that tells the JIT that an eBPF program had been migrated from classic instructions into eBPF instructions, as only in that case A and X need to be cleared in the prologue. Such eBPF programs do not set a particular type, but all have BPF_PROG_TYPE_UNSPEC. Thus, introduce a small helper for cde66c2d88da ("s390/bpf: Only clear A and X for converted BPF programs") and possibly others in future. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30test_bpf: assign type to native eBPF test casesDaniel Borkmann1-0/+2
As JITs start to perform optimizations whether to clear A and X on eBPF programs in the prologue, we should actually assign a program type to the native eBPF test cases. It doesn't really matter which program type, as these instructions don't go through the verifier, but it needs to be a type != BPF_PROG_TYPE_UNSPEC. This reflects eBPF programs loaded via bpf(2) system call (!= type unspec) vs. classic BPF to eBPF migrations (== type unspec). Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30bnx2x: Fix compilation when CONFIG_BNX2X_SRIOV is not setYuval Mintz2-0/+7
Commit 05cc5a39ddb7 ("bnx2x: add vlan filtering offload") has broken compilation when CONFIG_BNX2X_SRIOV is not set. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30Bluetooth: 6lowpan: Fix possible raceAlexander Aring1-10/+13
This patch fix a possible race after calling register_netdev. After calling netdev_register it could be possible that netdev_ops callbacks use the uninitialized private data of lowpan_dev. By moving the initialization of this data before netdev_register we can be sure that initialized private data is be used after netdev_register. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-30mac802154: Fix memory corruption with global deferred transmit state.Lennert Buytenhek3-21/+12
When transmitting a packet via a mac802154 driver that can sleep in its transmit function, mac802154 defers the call to the driver's transmit function to a per-device workqueue. However, mac802154 uses a single global work_struct for this, which means that if you have more than one registered mac802154 interface in the system, and you transmit on more than one of them at the same time, you'll very easily cause memory corruption. This patch moves the deferred transmit processing state from global variables to struct ieee802154_local, and this seems to fix the memory corruption issue. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-30at86rf230: remove hrtimer on 1 usec delayAlexander Aring1-1/+3
According Documentation/timers/timers-howto.txt the usually case for setting up a hrtimer takes > ~10us. So we should use udelay in this case so we are sure that the state change was done, before doing the state change assert. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-30Bluetooth: cmtp: Do not use list_for_each_safe when not neededChristophe JAILLET1-4/+4
There is no need to use the safe version of list_for_each here. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-30Bluetooth: btusb: match generic class code in interface descriptorDaniel Drake1-0/+3
btusb currently has a generic match on USB device descriptors: { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, However, http://www.usb.org/developers/defined_class states: Base Class E0h (Wireless Controller) This base class is defined for devices that are Wireless controllers. Values not shown in the table below are reserved. These class codes are to be used in Interface Descriptors, with the exception of the Bluetooth class code which can also be used in a Device Descriptor. Add a match on the interface descriptors accordingly. This fixes compatibility with the RTL8723AU device shown below. This device conforms to the USB Interface Association Descriptor specification, which requires the device to have class ef/02/01. The extra IAD descriptor then specifies that interfaces 0 and 1 belong to the same function/driver, which is true. Provided that the Bluetooth device class spec accepts use of the IAD, I imagine that technically, all btusb devices should be configured like this. T: Bus=01 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#= 3 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0bda ProdID=0724 Rev= 2.00 S: Manufacturer=Realtek S: Product=802.11n WLAN Adapter S: SerialNumber=00e04c000001 C:* #Ifs= 3 Cfg#= 1 Atr=e0 MxPwr=500mA A: FirstIf#= 0 IfCount= 2 Cls=e0(wlcon) Sub=01 Prot=01 I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms I:* If#= 2 Alt= 0 #EPs= 4 Cls=ff(vend.) Sub=ff Prot=ff Driver=rtl8723au E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=87(I) Atr=03(Int.) MxPS= 64 Ivl=500us Signed-off-by: Daniel Drake <drake@endlessm.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-30Bluetooth: Move create/accept phy link completed callback to amp.cArron Wang2-51/+51
To avoid amp module hooks from hci_event.c Signed-off-by: Arron Wang <arron.wang@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-30Bluetooth: Move amp assoc read/write completed callback to amp.cArron Wang2-63/+77
To avoid amp module hooks from hci_event.c Signed-off-by: Arron Wang <arron.wang@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-30Bluetooth: Move get info completed callback to a2mp.cArron Wang2-5/+17
To avoid a2mp module hooks from hci_event.c and send getinfo response operation only required by a2mp module, we can move this callback to a2mp.c Signed-off-by: Arron Wang <arron.wang@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-30Bluetooth: Move high speed specific event under BT_HS optionArron Wang1-20/+24
Signed-off-by: Arron Wang <arron.wang@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-30Bluetooth: Add BT_HS config optionArron Wang4-1/+40
Move A2MP Module under BT_HS config option and allow the user have flexible option to choose the feature only they need a2mp_discover_amp() & a2mp_channel_create() are a2mp module entry point for master and slave, and this is dynamic invoked depends on the userspace or remote request, then we defined their implementation depends on BT_HS config Signed-off-by: Arron Wang <arron.wang@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-30Bluetooth: btbcm: Add BCM4330B1 UART deviceFrederic Danis1-1/+7
Add "waiting for configuration" address. Add lmp_subver and firmware name for BCM4330B1 controller. Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-30mlxsw: Introduce Mellanox SwitchX-2 ASIC supportJiri Pirko8-0/+1655
Benefit from the previously introduced Mellanox Switch infrastructure and add driver for SwitchX-2 ASIC. Note that this driver is very simple now. It implements bare minimum for getting device to work on slow-path. Fast-path offload functionality is going to be added soon. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Elad Raz <eladr@mellanox.com> Reviewed-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30mlxsw: Add interface to access registers and process eventsIdo Schimmel5-0/+2192
Ethernet Management Datagrams (EMADs) are Ethernet packets sent between the host and the device in order to configure the available device registers. Another use case is notifications sent from the device to the host, letting it know about certain events, such as port up / down. Add the ability to construct EMADs with provisions to construct and parse the registers' payloads. Implement EMAD transaction layer which is responsible for the reliable transmission of EMADs. Also, add an infrastructure used by the switch driver to register for particular events generated by the device. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Elad Raz <eladr@mellanox.com> Reviewed-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30mlxsw: Add PCI bus implementationJiri Pirko4-0/+2023
Add PCI bus implementation for Mellanox Technologies Switch ASICs. This includes firmware initialization, async queues manipulation and command interface implementation. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Elad Raz <eladr@mellanox.com> Reviewed-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30mlxsw: Introduce Mellanox switch driver coreJiri Pirko11-0/+2366
Add core components of Mellanox switch driver infrastructure. Core infrastructure is designed so that it can be used by multiple bus drivers (PCI now, I2C and SGMII are planned to be implemented in the future). Multiple switch kind drivers can be registered as well. This core serves as a glue between buses and drivers. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Elad Raz <eladr@mellanox.com> Reviewed-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29be2net: Support vxlan offload stats in the driverSriharsha Basavapatna3-1/+10
This patch adds vxlan offload specific counters to ethtool stats. We provide tx/rx queue counters to show the number of vxlan offload pkts sent/received. Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29bnx2x: add vlan filtering offloadYuval Mintz10-290/+905
Current driver always uses vlan-promisc mode, i.e., it receives both tagged and untagged traffic and lets the network stack drop packets tagged with unrequested vlan tags. This patch implements vlan-filtering offload in the driver - Unless explicitly configured to promisc mode, only untagged packets or packets tagged with requested vlans would reach the Rx flow. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29net/mlx5e: Remove the mlx5e_update_priv_params() functionAchiad Shochat3-50/+60
It was used to update netdev priv parameters that require stopping and re-opening the device in a generic way - it got the new parameters and did: ndo_stop(), copy new parameters into current parameters, ndo_open(). We chose to remove it for two reasons: 1) It requires additional instance of struct mlx5e_params on the stack and looking forward we expect this struct to grow. 2) Sometimes we want to do additional operations (besides just updating the priv parameters) while the netdev is stopped. For example, updating netdev->mtu @mlx5e_change_mtu() should be done while the netdev is stopped (done in this commit). Signed-off-by: Achiad Shochat <achiad@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29net/mlx5e: Introduce create/destroy RSS indir table access functionsAchiad Shochat3-17/+35
Introduce access functions to create/destroy RSS indrection table and use it in the Ethernet driver. Signed-off-by: Achiad Shochat <achiad@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29net/mlx5e: Do not use netdev_err() before the netdev is registeredAchiad Shochat1-10/+5
Since it is un-named at this time. Signed-off-by: Achiad Shochat <achiad@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29net/mlx5e: Avoid redundant de-referenceAchiad Shochat1-1/+1
Use the already defined rq pointer directly. Signed-off-by: Achiad Shochat <achiad@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29net/mlx5e: Remove redundant assignment of sq->user_indexAchiad Shochat1-1/+0
It is not needed by the mlx5 Eth driver since it has a CQ per RQ/SQ. Signed-off-by: Achiad Shochat <achiad@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29net/mlx5e: Remove redundant field mlx5e_priv->num_tcAchiad Shochat3-18/+14
This field already exists under the mlx5e_params struct Signed-off-by: Achiad Shochat <achiad@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29net/mlx5e: Use hard-coded 4K page size for RQ/SQ/CQAchiad Shochat1-3/+3
The page size of the device's RQ/SQ/CQ objects is defined in 4K units regardless of the system pages size. Thus using the Linux's PAGE_SHIFT macro yields wrong device configuration in systems where PAGE_SHIFT!=12. Signed-off-by: Achiad Shochat <achiad@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29net/mlx5_core: Check the return value of mlx5_command_exec()Haggai Abramonvsky1-1/+6
mlx5_cmd_exec() might fail - need to check return value. Signed-off-by: Haggai Abramovsky <hagaya@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29openvswitch: Re-add CONFIG_OPENVSWITCH_VXLANThomas Graf5-200/+235
This readds the config option CONFIG_OPENVSWITCH_VXLAN to avoid a hard dependency of OVS on VXLAN. It moves the VXLAN config compat code to vport-vxlan.c and allows compliation as a module. Fixes: 614732eaa12d ("openvswitch: Use regular VXLAN net_device device") Fixes: 2661371ace96 ("openvswitch: fix compilation when vxlan is a module") Cc: Pravin B Shelar <pshelar@nicira.com> Cc: Nicolas Dichtel <nicolas.dichtel@6wind.com> 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>
2015-07-29net: pktgen: Remove unused 'allocated_skbs' fieldBogdan Hamciuc1-2/+0
Field pktgen_dev.allocated_skbs had been written to, but never read from. The number of allocated skbs can be deduced anyway, from the total number of sent packets and the 'clone_skb' param. Signed-off-by: Bogdan Hamciuc <bogdan.hamciuc@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29net: pktgen: Observe needed_headroom of the deviceBogdan Hamciuc1-1/+2
Allocate enough space so as not to force the outgoing net device to do skb_realloc_headroom(). Signed-off-by: Bogdan Hamciuc <bogdan.hamciuc@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29lwtunnel: Make lwtun_encaps[] staticThomas Graf2-4/+1
Any external user should use the registration API instead of accessing this directly. Cc: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: Thomas Graf <tgraf@suug.ch> Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29gianfar: Fix warnings when built on 64-bitScott Wood2-8/+16
As part of defconfig consolidation using fragments, we'd like to be able to have the same drivers enabled on 32-bit and 64-bit. Gianfar happens to only exist on 32-bit systems, and when building the resulting 64-bit kernel warnings were produced. A couple of the warnings are trivial, but the rfbptr code has deeper issues. It uses the virtual address as the DMA address, which again, happens to work in the environments where this driver is currently used, but is not the right thing to do. Fixes: 45b679c9a3cc ("gianfar: Implement PAUSE frame generation support") Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29net: Recompute sk_txhash on negative routing adviceTom Herbert1-0/+8
When a connection is failing a transport protocol calls dst_negative_advice to try to get a better route. This patch includes changing the sk_txhash in that function. This provides a rudimentary method to try to find a different path in the network since sk_txhash affects ECMP on the local host and through the network (via flow labels or UDP source port in encapsulation). Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29net: Set sk_txhash from a random numberTom Herbert7-41/+14
This patch creates sk_set_txhash and eliminates protocol specific inet_set_txhash and ip6_set_txhash. sk_set_txhash simply sets a random number instead of performing flow dissection. sk_set_txash is also allowed to be called multiple times for the same socket, we'll need this when redoing the hash for negative routing advice. Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29net: thunderx: Select CONFIG_MDIO_OCTEON for ThunderX NICRadha Mohan Chintakuntla1-0/+2
The CONFIG_MDIO_OCTEON is required so that the ThunderX NIC driver can talk to the PHY drivers. Signed-off-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29net: mdio-octeon: Fix octeon_mdiobus_probe function for return valuesRadha Mohan Chintakuntla1-5/+9
This patch fixes a possible crash in the octeon_mdiobus_probe function if the return values are not handled properly. Signed-off-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com> Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29net: mdio-octeon: Modify driver to work on both ThunderX and OcteonRadha Mohan Chintakuntla2-21/+111
This patch modifies the mdio-octeon driver to work on both ThunderX and Octeon SoCs from Cavium Inc. Signed-off-by: Sunil Goutham <sgoutham@cavium.com> Signed-off-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com> Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29net: netcp: Fixes efuse mac addr swap on k2e and k2lWingMan Kwok2-3/+18
On some of the K2E and K2L platforms, the two DWORDs in efuse occupied by the pre-programmed mac address for slave port 1 are swapped. To workaround this issue, this patch adds a new define NETCP_EFUSE_ADDR_SWAP (2) which signifies the occurrence of such swapping so that the driver can take proper action. The flag can be enabled in the corresponding netcp interface dts binding as efuse-mac = <2> under the corresponding netcp interface node. Signed-off-by: WingMan Kwok <w-kwok2@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29tipc: fix bug in broadcast synch message create functionJon Maloy1-0/+3
In commit d999297c3dbbe7fdd832f7fa4ec84301e170b3e6 ("tipc: reduce locking scope during packet reception") we introduced a new function tipc_build_bcast_sync_msg(), which carries initial synchronization data between two nodes at first contact and at re-contact. In this function, we missed to add synchronization data, with the effect that the broadcast link endpoints will fail to synchronize correctly at re-contact between a running and a restarted node. All other cases work as intended. With this commit, we fix this bug. Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29packet: remove handling of tx_ring from prb_shutdown_retire_blk_timer()Tobias Klauser1-4/+2
Follow e8e85cc5eb57 ("packet: remove handling of tx_ring") and remove the tx_ring parameter from prb_shutdown_retire_blk_timer() as it is only called with tx_ring = 0. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-29s390/bpf: recache skb->data/hlen for skb_vlan_push/popMichael Holzheu2-23/+37
Allow eBPF programs attached to TC qdiscs call skb_vlan_push/pop via helper functions. These functions may change skb->data/hlen. This data is cached by s390 JIT to improve performance of ld_abs/ld_ind instructions. Therefore after a change we have to reload the data. In case of usage of skb_vlan_push/pop, in the prologue we store the SKB pointer on the stack and restore it after BPF_JMP_CALL to skb_vlan_push/pop. Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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