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2016-03-01mlxsw: spectrum: Mark unused ports using NULLIdo Schimmel
When splitting and unsplitting we'll destroy usable ports on the fly, so mark them using a NULL pointer to indicate that their local port number is free and can be re-used. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01mlxsw: spectrum: Store local port to module mapping during initIdo Schimmel
The port netdevs are each associated with a different local port number in the device. These local ports are grouped into groups of 4 (e.g. (1-4), (5-8)) called clusters. The cluster constitutes the one of two possible modules they can be mapped to. This mapping is board-specific and done by the device's firmware during init. When splitting a port by 4, the device requires us to first unmap all the ports in the cluster and then map each to a single lane in the module associated with the port netdev used as the handle for the operation. This means that two port netdevs will disappear, as only 100Gb/s (4 lanes) ports can be split and we are guaranteed to have two of these ((1, 3), (5, 7) etc.) in a cluster. When unsplit occurs we need to reinstantiate the two original 100Gb/s ports and map each to its origianl module. Therefore, during driver init store the initial local port to module mapping, so it can be used later during unsplitting. Note that a by 2 split doesn't require us to store the mapping, as we only need to reinstantiate one port whose module is known. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01mlxsw: spectrum: Unmap local port from module during teardownIdo Schimmel
When splitting a port we replace it with 2 or 4 other ports. To be able to do that we need to remove the original port netdev and unmap it from its module. However, we first mark it as disabled, as active ports cannot be unmapped. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01mlxsw: core: Add devlink port splitter callbacksJiri Pirko
Add middle layer in mlxsw core code to forward port split/unsplit calls into specific ASIC drivers. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01mlxsw: Implement devlink interfaceJiri Pirko
Implement newly introduced devlink interface. Add devlink port instances for every port and set the port types accordingly. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01mlx4: Implement port type setting via devlink interfaceJiri Pirko
So far, there has been an mlx4-specific sysfs file allowing user to change port type to either Ethernet of InfiniBand. This is very inconvenient. Allow to expose the same ability to set port type in a generic way using devlink interface. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01mlx4: Implement devlink interfaceJiri Pirko
Implement newly introduced devlink interface. Add devlink port instances for every port and set the port types accordingly. Signed-off-by: Jiri Pirko <jiri@mellanox.com> v2->v3: -add dev param to devlink_register (api change) Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: cls_u32: move TC offload feature bit into cls_u32 offload logicJohn Fastabend
In the original series drivers would get offload requests for cls_u32 rules even if the feature bit is disabled. This meant the driver had to do a boiler plate check on the feature bit before adding/deleting the rule. This patch lifts the check into the core code and removes it from the driver specific case. Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01veth: implement ndo_set_rx_headroomPaolo Abeni
The rx headroom for veth dev is the peer device needed_headroom. Avoid ping-pong updates setting the private flag IFF_PHONY_HEADROOM. This avoids skb head reallocation when forwarding from a veth dev towards a device adding some kind of encapsulation. When transmitting frames below the MTU size towards a vxlan device, this gives about 10% performance speed-up when OVS is used to connect the veth and the vxlan device and a little more when using a plain Linux bridge. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net/tun: implement ndo_set_rx_headroomPaolo Abeni
ndo_set_rx_headroom controls the align value used by tun devices to allocate skbs on frame reception. When the xmit device adds a large encapsulation, this avoids an skb head reallocation on forwarding. The measured improvement when forwarding towards a vxlan dev with frame size below the egress device MTU is as follow: vxlan over ipv6, bridged: +6% vxlan over ipv6, ovs: +7% In case of ipv4 tunnels there is no improvement, since the tun device default alignment provides enough headroom to avoid the skb head reallocation. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01bnxt_en: Add hwrm_send_message_silent().Michael Chan
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>
2016-03-01bnxt_en: Refactor _hwrm_send_message().Michael Chan
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>
2016-03-01bnxt_en: Add installed-package firmware version reporting via Ethtool GDRVINFORob Swindell
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>
2016-03-01bnxt_en: Fix dmesg log firmware error messages.Michael Chan
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>
2016-03-01bnxt_en: Use firmware provided message timeout value.Michael Chan
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>
2016-03-01bnxt_en: Add coalescing support for tx rings.Michael Chan
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>
2016-03-01bnxt_en: Refactor bnxt_hwrm_set_coal().Michael Chan
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>
2016-03-01bnxt_en: Store irq coalescing timer values in micro seconds.Michael Chan
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>
2016-03-01bnxt_en: Send PF driver unload notification to all VFs.Jeffrey Huang
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>
2016-03-01bnxt_en: Improve bnxt_vf_update_mac().Jeffrey Huang
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>
2016-03-01Merge tag 'linux-can-next-for-4.6-20160226' of ↵David S. Miller
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>
2016-02-29lan78xx: add ethtool set & get pause functionsWoojung.Huh@microchip.com
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>
2016-02-29lan78xx: remove unnecessary codeWoojung.Huh@microchip.com
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>
2016-02-29lan78xx: replace devid to chipid & chiprevWoojung.Huh@microchip.com
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>
2016-02-29hv_netvsc: add ethtool support for set and get of settingssixiao@microsoft.com
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>
2016-02-283c59x: Ensure to apply the expires timeStafford Horne
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>
2016-02-27rocker: fix an error codeDan Carpenter
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>
2016-02-26Merge branch '1GbE' of ↵David S. Miller
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>
2016-02-26can: rcar: add gen[12] fallback compatibility stringsSimon Horman
Add fallback compatibility string for R-Car Gen 1 and Gen2. In the case of Renesas R-Car hardware we know that there are generations of SoCs, e.g. Gen 1 and Gen 2. But beyond that its not clear what the relationship between IP blocks might be. For example, I believe that r8a7779 is older than r8a7778 but that doesn't imply that the latter is a descendant of the former or vice versa. We can, however, by examining the documentation and behaviour of the hardware at run-time observe that the current driver implementation appears to be compatible with the IP blocks on SoCs within a given generation. For the above reasons and convenience when enabling new SoCs a per-generation fallback compatibility string scheme being adopted for drivers for Renesas SoCs. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-02-26can: ems_usb: fix coding styleMarc Kleine-Budde
This patch fixes the coding style issues introduced in commit: 90cfde46586d can: ems_usb: Fix possible tx overflow Reported-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-02-25net: mlx4: use new ETHTOOL_G/SSETTINGS APIDavid Decotigny
Signed-off-by: David Decotigny <decot@googlers.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25net: fcoe: use __ethtool_get_ksettingsDavid Decotigny
Signed-off-by: David Decotigny <decot@googlers.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25net: team: use __ethtool_get_ksettingsDavid Decotigny
Signed-off-by: David Decotigny <decot@googlers.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25net: macvlan: use __ethtool_get_ksettingsDavid Decotigny
Signed-off-by: David Decotigny <decot@googlers.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25net: ipvlan: use __ethtool_get_ksettingsDavid Decotigny
Signed-off-by: David Decotigny <decot@googlers.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25net: bonding: use __ethtool_get_ksettingsDavid Decotigny
Signed-off-by: David Decotigny <decot@googlers.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25net: usnic: use __ethtool_get_ksettingsDavid Decotigny
Signed-off-by: David Decotigny <decot@googlers.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25net: usnic: use __ethtool_get_settingsDavid Decotigny
Signed-off-by: David Decotigny <decot@googlers.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25net: usnic: remove unused call to ethtool_ops::get_settingsDavid Decotigny
Signed-off-by: David Decotigny <decot@googlers.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25qed, qede: rebrand module descriptionYuval Mintz
Drop the `QL4xxx 40G/100G' and use `FastLinQ 4xxxx' instead. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25qed: Prevent probe on previous errorYuval Mintz
Don't allow driver to probe on an adapter at a failed state; Gracefully block the probe instead. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25qed: add MODULE_FIRMWARE()Yuval Mintz
Module is using a binary firmware file and so should be marked as such. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25qede: Don't report link change needlesslyYuval Mintz
There are several corner cases where driver might get a 2nd notification about the same link change. Don't log any additional changes if the physical carrier is already reported as it should. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25qede: Linearize SKBs when neededYuval Mintz
There's a corner-case in HW where an SKB queued for transmission that contains too many frags will cause FW to assert. This patch solves this by linearizing the SKB if necessary. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25qede: Change pci DID for 10g deviceYuval Mintz
The device ID for the 10g module has changed. Populate the pci_ids table accordingly. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25netxen: Use kobj_to_dev()Amitoj Kaur Chawla
Introduce the use of kobj_to_dev() helper function instead of open coding it with container_of() The Coccinelle semantic patch used to make this change is as follows: //<smpl> @@ expression a; symbol kobj; @@ - container_of(a, struct device, kobj) + kobj_to_dev(a) //</smpl> Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-253c59x: Use setup_timer()Amitoj Kaur Chawla
Convert a call to init_timer and accompanying intializations of the timer's data and function fields to a call to setup_timer. The Coccinelle semantic patch that fixes this problem is as follows: // <smpl> @@ expression t,f,d; @@ -init_timer(&t); +setup_timer(&t,f,d); ... -t.data = d; -t.function = f; // </smpl> Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25forcedeth: Use setup_timer()Amitoj Kaur Chawla
Convert a call to init_timer and accompanying intializations of the timer's data and function fields to a call to setup_timer. The Coccinelle semantic patch that fixes this problem is as follows: // <smpl> @@ expression t,f,d; @@ -init_timer(&t); +setup_timer(&t,f,d); -t.data = d; -t.function = f; // </smpl> Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25net: tulip: Use setup_timer()Amitoj Kaur Chawla
Convert a call to init_timer and accompanying intializations of the timer's data and function fields to a call to setup_timer. The Coccinelle semantic patch that fixes this problem is as follows: // <smpl> @@ expression t,f,d; @@ -init_timer(&t); +setup_timer(&t,f,d); -t.data = d; -t.function = f; // </smpl> Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25gianfar: fix endianness for hardware timestampYangbo Lu
Fix endianness for the 64-bit hardware timestamp value with be64_to_cpu to support both PowerPC platforms and ARM platforms. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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