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2015-04-02net/mlx4_en: Change loopback only upon feature changeIdo Shamay2-7/+10
Currently any change of netdev features results in a call to mlx4_en_update_loopback_state(). Those calls are unnecessary, and should be called only upon loopback feature change. Also moved some of the logic into mlx4_en_update_loopback_state(). Signed-off-by: Ido Shamay <idos@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx4: Add RSS support for fragmented IP datagramsIdo Shamay4-0/+16
Enable RSS support for fragmented IP packets, when device supports it. Until now, fragmented IP packets were directed only to the default_qpn. Since IP fragments (datagram) have no upper protocols (L3 IP packets), hash is performed on 3-tuple - dst MAC, source IP and dest IP. The HW makes sure that this holds for the 1st fragment too, so all fragments go to the same QP. Signed-off-by: Ido Shamay <idos@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller192-1037/+1878
Conflicts: drivers/net/usb/asix_common.c drivers/net/usb/sr9800.c drivers/net/usb/usbnet.c include/linux/usb/usbnet.h net/ipv4/tcp_ipv4.c net/ipv6/tcp_ipv6.c The TCP conflicts were overlapping changes. In 'net' we added a READ_ONCE() to the socket cached RX route read, whilst in 'net-next' Eric Dumazet touched the surrounding code dealing with how mini sockets are handled. With USB, it's a case of the same bug fix first going into net-next and then I cherry picked it back into net. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds5-1/+19
Pull dmaengine fixes from Vinod Koul: "This time we have addition of caps for jz4740 which fixes intentional warning at boot. Then we have memory leak issues in drivers using virt-dma by Peter on few drive" * 'fixes' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: moxart-dma: Fix memory leak when stopping a running transfer dmaengine: bcm2835-dma: Fix memory leak when stopping a running transfer dmaengine: omap-dma: Fix memory leak when terminating running transfer dmaengine: edma: fix memory leak when terminating running transfers dmaengine: jz4740: Define capabilities
2015-04-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds66-391/+758
Pull networking fixes from David Miller: 1) Fix use-after-free with mac80211 RX A-MPDU reorder timer, from Johannes Berg. 2) iwlwifi leaks memory every module load/unload cycles, fix from Larry Finger. 3) Need to use for_each_netdev_safe() in rtnl_group_changelink() otherwise we can crash, from WANG Cong. 4) mlx4 driver does register_netdev() too early in the probe sequence, from Ido Shamay. 5) Don't allow router discovery hop limit to decrease the interface's hop limit, from D.S. Ljungmark. 6) tx_packets and tx_bytes improperly accounted for certain classes of USB network devices, fix from Ben Hutchings. 7) ip{6}mr_rules_init() mistakenly use plain kfree to release the ipmr tables in the error path, they must instead use ip{6}mr_free_table(). Fix from WANG Cong. 8) cxgb4 doesn't properly quiesce all RX activity before unregistering the netdevice. Fix from Hariprasad Shenai. 9) Fix hash corruptions in ipvlan driver, from Jiri Benc. 10) nla_memcpy(), like a real memcpy, should fully initialize the destination buffer, even if the source attribute is smaller. Fix from Jiri Benc. 11) Fix wrong error code returned from iucv_sock_sendmsg(). We should use whatever sock_alloc_send_skb() put into 'err'. From Eugene Crosser. 12) Fix slab object leak on module unload in TIPC, from Ying Xue. 13) Need a READ_ONCE() when reading the cached RX socket route in tcp_v{4,6}_early_demux(). From Michal Kubecek. 14) Still too many problems with TPC support in the ath9k driver, so disable it for now. From Felix Fietkau. 15) When in AP mode the rtlwifi driver can leak DMA mappings, fix from Larry Finger. 16) Missing kzalloc() failure check in gs_usb CAN driver, from Colin Ian King. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (52 commits) cxgb4: Fix to dump devlog, even if FW is crashed cxgb4: Firmware macro changes for fw verison 1.13.32.0 bnx2x: Fix kdump when iommu=on bnx2x: Fix kdump on 4-port device mac80211: fix RX A-MPDU session reorder timer deletion MAINTAINERS: Update Intel Wired Ethernet Driver info tipc: fix a slab object leak net/usb/r8152: add device id for Lenovo TP USB 3.0 Ethernet af_iucv: fix AF_IUCV sendmsg() errno openvswitch: Return vport module ref before destruction netlink: pad nla_memcpy dest buffer with zeroes bonding: Bonding Overriding Configuration logic restored. ipvlan: fix check for IP addresses in control path ipvlan: do not use rcu operations for address list ipvlan: protect against concurrent link removal ipvlan: fix addr hash list corruption net: fec: setup right value for mdio hold time net: tcp6: fix double call of tcp_v6_fill_cb() cxgb4vf: Fix sparse warnings netns: don't clear nsid too early on removal ...
2015-04-02Merge branch 'netdev_iflink_remove'David S. Miller28-54/+140
Nicolas Dichtel says: ==================== Remove iflink field from the net_device structure The first goal of this series was to advertise the veth peer via the IFLA_LINK attribute, but iflink was not ready for network namespaces. The iflink of an interface should be set to its ifindex for a physical interface and to another value (0 if not relevant) for a virtual interface. This was not the case for some interfaces, like vxlan, bond, or bridge for example. There is also a risk, if the targeted interface moves to another netns, that the ifindex changes without updating corresponding iflink fields (eg. vlan). Moving the management of this property into virtual interface drivers allows to better handle this last case because most of virtual interface drivers have a pointer to the link netdevice. Anyway, dev->iflink value was always a copy of some internal data of the virtual interface driver, thus let's use these internal data directly. So, this series removes the iflink field and let the drivers manage it. Only the last patch was present in the v1, but I fully rework it. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02veth: set iflink to the peer vethNicolas Dichtel1-0/+15
Now that the peer netns is advertised in rtnl messages, we can set this property so that IFLA_LINK will advertise the peer ifindex. It allows the userland to get the full veth configuration. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02dev: set iflink to 0 for virtual interfacesNicolas Dichtel1-0/+4
Virtual interfaces are supposed to set an iflink value != of their ifindex. It was not the case for some of them, like vxlan, bond or bridge. Let's set iflink to 0 when dev->rtnl_link_ops is set. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net: remove iflink field from struct net_deviceNicolas Dichtel2-13/+3
Now that all users of iflink have the ndo_get_iflink handler available, it's possible to remove this field. By default, dev_get_iflink() returns the ifindex of the interface. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02dsa: implement ndo_get_iflinkNicolas Dichtel1-5/+3
Don't use dev->iflink anymore. CC: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02infiniband/ipoib: implement ndo_get_iflinkNicolas Dichtel2-1/+8
Don't use dev->iflink anymore. CC: Roland Dreier <roland@kernel.org> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02ipvlan: implement ndo_get_iflinkNicolas Dichtel1-1/+8
Don't use dev->iflink anymore. CC: Mahesh Bandewar <maheshb@google.com> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02macvlan: implement ndo_get_iflinkNicolas Dichtel1-1/+8
Don't use dev->iflink anymore. CC: Patrick McHardy <kaber@trash.net> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02vlan: implement ndo_get_iflinkNicolas Dichtel1-1/+8
Don't use dev->iflink anymore. CC: Patrick McHardy <kaber@trash.net> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02ipmr,ip6mr: implement ndo_get_iflinkNicolas Dichtel2-2/+12
Don't use dev->iflink anymore. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02ipip,gre,vti,sit: implement ndo_get_iflinkNicolas Dichtel6-5/+14
Don't use dev->iflink anymore. CC: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02ip6tnl,gre6,vti6: implement ndo_get_iflinkNicolas Dichtel4-10/+12
Don't use dev->iflink anymore. CC: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02dev: introduce dev_get_iflink()Nicolas Dichtel11-18/+48
The goal of this patch is to prepare the removal of the iflink field. It introduces a new ndo function, which will be implemented by virtual interfaces. There is no functional change into this patch. All readers of iflink field now call dev_get_iflink(). Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01crypto: algif - explicitly mark end of datatadeusz.struk@intel.com1-4/+8
After the TX sgl is expanded we need to explicitly mark end of data at the last buffer that contains data. Changes in v2 - use type 'bool' and true/false for 'mark'. Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01Merge branch 'dsa-next'David S. Miller6-764/+728
Andrew Lunn says: ==================== DSA Mavell drivers refactoring and cleanup v1->v2: * Add missing signed-of-by: For patches authored by Guenter Roeck. * Add Reviewed by from Guenter Roack to patch #5. This is a collection of patches again net-next from today containing refactoring and consolidate of code, cleanups and using #define's to replace register numbers. Patch #1 Swaps the 6131 driver to use the consolidated setup code. Patch #2 Moves the Switch IDs used during probe into a central location. We need these later so that we can differentiate the different features the devices have. Patch #3 Makes the 6131 driver set the number of ports in the private state structure. It then uses this, rather than hard coded maximum number of ports. Patch #4 Similar to Patch #3, but for the 6123_61_65 driver. Patch #5 Similar to Patch #3, and #4, but for all the remaining drivers. This greatly increases the similarity of the code between drivers, allow further patches to consolidate the duplicated code. Patch #6 Consolidate the switch reset code, which has two minor variants. Removes around 35 lines per driver. Patch #7 Moves phy page access functions out of the 6352 driver into the shared code. Currently only the 6352 driver uses this, but it is likely other devices will come along wanting this functionality. Patch #8 Consolidates the code used to access phy registers. Removes around 40 lines of code per driver. Patch #9 Fixes missing mutex locking in the EEE code, and refactors the code a bit to make it more understandable with respect to locks. Patch #10 Consolidates reading statistics. This is very similar code for all devices, but the number of available statistics differ, which can be determined from the product ID. Removes around 65 lines per driver. Patch #11 Add #defines for registers, and bits within the registers. For the moment, this is limited to the shared code. The individual drivers will be converted once the remaining duplicated code is consolidated Patch #12 Fix broken statistic counters on the 6172. The 6352 family requires the port number is poked into a different set of bits in the register compared to other devices. Many thanks to Guenter Roeck for repeatedly reviewing the patches and testing them on his hardware. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01net: dsa: mv88e6xxx: Fix stats counters for 6352 familyAndrew Lunn1-0/+16
The statistic counters for the mv88e6172 never worked. This device is a member of the 6352 family of chips, which has a slightly different layout of the register used for capturing statistics. Add support for detecting this family and poking the port in the right place in the register. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01net: dsa: Use mnemonics rather than register numbersAndrew Lunn6-178/+335
Rather than refer to registers by number, define mnemonics. Also define mnemonics for the commonly used bits within the registers. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01net: dsa: Consolidate getting the statisticsAndrew Lunn6-241/+110
Reading the statistics from the hardware is the same for all chips. What differs is the number of available statistics. Have just one copy of the code in the shared mv88e6xxx. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01net: dsa: mv88e6xxx: Add missing mutex's in EEE operations.Andrew Lunn1-29/+30
The phy_mutex should be held while reading and writing to the phy. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01net: dsa: Consolidate phy read and write functionsAndrew Lunn5-146/+110
Move the common code for reading and writing phy registers into the shared mv88e6xxx. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01net: dsa: Move phy page access functions into shared codeAndrew Lunn3-41/+42
These functions could in future be used by other drivers. Move them into the shared area. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01net: dsa: Centralize Marvell switch resetAndrew Lunn6-154/+45
Marvell switches are all reset in nearly the same way. The only difference is if the PPU should be enabled or not. Move this code into the shared mv88x6xxx.c. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01net: dsa: Consistently set and use ps->num_portsAndrew Lunn2-11/+22
As a step towards consolidating code, consistently set the number of ports in the private state structure, and make use of it in loops. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01net: dsa: mv88e6123_61_65: Determine and use number of switch portsGuenter Roeck1-16/+38
Determine and use number of switch ports from chip ID instead of always using the maximum, and return error when an attempt is made to access a non-existing port. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01net: dsa: mv88e6131: Determine and use number of switch portsGuenter Roeck2-7/+36
Determine and use number of switch ports from chip ID instead of always using the maximum, and return error when an attempt is made to access a non-existing port. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01net: dsa: mv88e6xxx: Move switch product IDs into common include fileGuenter Roeck3-10/+36
This will let us use the switch product IDs in the common source code. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01net: dsa: mv88e6131: Use common initialization functionsGuenter Roeck1-28/+5
Common initialization functions will be needed to enable HW bridging support. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01pkt_sched: fq: correct spelling of locallySimon Horman1-2/+2
Correct spelling of locally. Also remove extra space before tab character in struct fq_flow. Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01vxlan: correct spelling in commentsSimon Horman1-3/+3
Fix some spelling / typos: * droppped -> dropped * asddress -> address * compatbility -> compatibility Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01vmxnet3: spelling fixesstephen hemminger1-2/+2
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01vxge: Add const to ethtool_driver_stats_keysJoe Perches2-19/+19
Move about half a KB of data to text. Miscellanea: o Move strings out of the .h file into the .c file in case the .h file is ever #included twice Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01crypto: algif - use kmalloc instead of kzallocTadeusz Struk1-1/+1
No need to use kzalloc to allocate sgls as the structure is initialized anyway. Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01crypto: af_alg - make exports consistantTadeusz Struk1-1/+1
Use EXPORT_SYMBOL_GPL instead of EXPORT_SYMBOL. Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01Merge tag 'wireless-drivers-for-davem-2015-04-01' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-driversDavid S. Miller1-0/+1
Kalle Valo says: ==================== iwlwifi: * fix a memory leak, we leaked memory each time the module was loaded. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01Merge branch 'cxgb4-net'David S. Miller6-32/+106
Hariprasad Shenai says: ==================== cxgb4 FW macro changes for new FW Fix to dump device log even in the case of firmware crash. Also incorporates changes for new FW. This patch series has been created against net tree and includes patches on cxgb4 driver. We have included all the maintainers of respective drivers. Kindly review the change and let us know in case of any review comments. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01cxgb4: Fix to dump devlog, even if FW is crashedHariprasad Shenai4-26/+65
Add new Common Code routines to retrieve Firmware Device Log parameters from PCIE_FW_PF[7]. The firmware initializes its Device Log very early on and stores the parameters for its location/size in that register. Using the parameters from the register allows us to access the Firmware Device Log even when the firmware crashes very early on or we're not attached to the firmware Based on original work by Casey Leedom <leedom@chelsio.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01cxgb4: Firmware macro changes for fw verison 1.13.32.0Hariprasad Shenai2-6/+41
Adds new macro and few macro changes for fw version 1.13.32.0 also changes version string in driver to match 1.13.32.0 Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01chelsio cxgb/cxgb3: Make stats_strings arrays constJoe Perches2-2/+2
Move ~2KB of strings in each driver from data to text. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01Merge tag 'wireless-drivers-next-for-davem-2015-04-01' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-nextDavid S. Miller140-1344/+4459
Kalle Valo says: ==================== Major changes: ath9k: * add Active Interference Cancellation, a method implemented in the HW to counter WLAN RX > sensitivity degradation when BT is transmitting at the same time. This feature is supported by cards like WB222 based on AR9462. iwlwifi: * Location Aware Regulatory was added by Arik * 8000 device family work * update to the BT Coex firmware API brmcfmac: * add new BCM43455 and BCM43457 SDIO device support * add new BCM43430 SDIO device support wil6210: * take care of AP bridging * fix NAPI behavior * found approach to achieve 4*n+2 alignment of Rx frames rt2x00: * add new rt2800usb device DWA 130 rtlwifi: * add USB ID for D-Link DWA-131 * add USB ID ASUS N10 WiFi dongle mwifiex: * throughput enhancements ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01Merge tag 'mac80211-for-davem-2015-04-01' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211David S. Miller3-5/+12
Johannes Berg says: ==================== This contains just a single fix for a crash I happened to randomly run into today during testing. It's clearly been around for a while, but is pretty hard to trigger, even when I tried explicitly (and modified the code to make it more likely) it rarely did. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01Merge tag 'linux-can-next-for-4.1-20150401' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-nextDavid S. Miller5-10/+74
Marc Kleine-Budde says: ==================== pull-request: can-next 2015-04-01 this is a pull request of 5 patches for net-next/master. There are two patches for the ems_usb driver by Gerhard Uttenthaler and me, which fix sparse endianess warnings. Oliver Hartkopp adds two patches to improve and extend the CAN-ID filter handling on RAW CAN sockets. The last patch is by me, it silences an uninitialized variable warning in the peak_usb driver. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01net: bcmgenet: enable MoCA link state change detectionPetri Gynther3-2/+24
Currently, MoCA fixed PHYs are always in link-up state, regardless of whether the link is actually up or not. Add code to properly detect MoCA link state changes and to reflect the new state in MoCA fixed PHY. Only GENET V3 and V4 MACs are capable of detecting MoCA link state changes. The code works as follows: 1. GENET MAC detects MoCA link state change and issues UMAC_IRQ_LINK_UP or UMAC_IRQ_LINK_DOWN interrupt. 2. Link up/down interrupt is processed in bcmgenet_irq_task(), which calls phy_mac_interrupt(). 3. phy_mac_interrupt() updates the fixed PHY phydev->link and kicks the PHY state machine. 4. PHY state machine proceeds to read the fixed PHY link status register. 5. When the fixed PHY link status register is being read, the new function bcmgenet_fixed_phy_link_update() gets called. It copies the fixed PHY phydev->link value to the fixed PHY status->link. 6. PHY state machine receives the new link state of the fixed PHY. 7. MoCA fixed PHY link state now correctly reflects the real MoCA hardware link state. Signed-off-by: Petri Gynther <pgynther@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-01Merge tag 'iommu-fixes-v4.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommuLinus Torvalds3-7/+10
Pull IOMMU fixes from Joerg Roedel: "This contains fixes for: - a VT-d issue where hardware domain-ids might be freed while still in use. - an ipmmu-vmsa issue where where the device-table was not zero terminated - unchecked register access issue in the arm-smmu driver" * tag 'iommu-fixes-v4.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/vt-d: Remove unused variable iommu: ipmmu-vmsa: Add terminating entry for ipmmu_of_ids iommu/vt-d: Detach domain *only* from attached iommus iommu/arm-smmu: fix ARM_SMMU_FEAT_TRANS_OPS condition
2015-04-01lguest: now needs PCI_DIRECT.Rusty Russell1-1/+1
Since commit 8e7094694396 ("lguest: add a dummy PCI host bridge.") lguest uses PCI, but it needs you to frob the ports directly. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-04-01Merge tag 'lazytime_fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4Linus Torvalds4-10/+95
Pull lazytime fixes from Ted Ts'o: "This fixes a problem in the lazy time patches, which can cause frequently updated inods to never have their timestamps updated. These changes guarantee that no timestamp on disk will be stale by more than 24 hours" * tag 'lazytime_fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: fs: add dirtytime_expire_seconds sysctl fs: make sure the timestamps for lazytime inodes eventually get written