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2018-03-17vmxnet3: avoid xmit reset due to a race in vmxnet3Ronak Doshi
The field txNumDeferred is used by the driver to keep track of the number of packets it has pushed to the emulation. The driver increments it on pushing the packet to the emulation and the emulation resets it to 0 at the end of the transmit. There is a possibility of a race either when (a) ESX is under heavy load or (b) workload inside VM is of low packet rate. This race results in xmit hangs when network coalescing is disabled. This change creates a local copy of txNumDeferred and uses it to perform ring arithmetic. Reported-by: Noriho Tanaka <ntanaka@vmware.com> Signed-off-by: Ronak Doshi <doshir@vmware.com> Acked-by: Shrikrishna Khare <skhare@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-17net: ethernet: ti: cpsw: enable vlan rx vlan offloadGrygorii Strashko
In VLAN_AWARE mode CPSW can insert VLAN header encapsulation word on Host port 0 egress (RX) before the packet data if RX_VLAN_ENCAP bit is set in CPSW_CONTROL register. VLAN header encapsulation word has following format: HDR_PKT_Priority bits 29-31 - Header Packet VLAN prio (Highest prio: 7) HDR_PKT_CFI bits 28 - Header Packet VLAN CFI bit. HDR_PKT_Vid bits 27-16 - Header Packet VLAN ID PKT_Type bits 8-9 - Packet Type. Indicates whether the packet is VLAN-tagged, priority-tagged, or non-tagged. 00: VLAN-tagged packet 01: Reserved 10: Priority-tagged packet 11: Non-tagged packet This feature can be used to implement TX VLAN offload in case of VLAN-tagged packets and to insert VLAN tag in case Non-tagged packet was received on port with PVID set. As per documentation, CPSW never modifies packet data on Host egress (RX) and as result, without this feature enabled, Host port will not be able to receive properly packets which entered switch non-tagged through external Port with PVID set (when non-tagged packet forwarded from external Port with PVID set to another external Port - packet will be VLAN tagged properly). Implementation details: - on RX driver will check CPDMA status bit RX_VLAN_ENCAP BIT(19) in CPPI descriptor to identify when VLAN header encapsulation word is present. - PKT_Type = 0x01 or 0x02 then ignore VLAN header encapsulation word and pass packet as is; - if HDR_PKT_Vid = 0 then ignore VLAN header encapsulation word and pass packet as is; - In dual mac mode traffic is separated between ports using default port vlans, which are not be visible to Host and so should not be reported. Hence, check for default port vlans in dual mac mode and ignore VLAN header encapsulation word; - otherwise fill SKB with VLAN info using __vlan_hwaccel_put_tag(); - PKT_Type = 0x00 (VLAN-tagged) then strip out VLAN header from SKB. Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-17net: ethernet: ti: cpsw: add check for in-band mode setting with RGMII PHY ↵SZ Lin (林上智)
interface According to AM335x TRM[1] 14.3.6.2, AM437x TRM[2] 15.3.6.2 and DRA7 TRM[3] 24.11.4.8.7.3.3, in-band mode in EXT_EN(bit18) register is only available when PHY is configured in RGMII mode with 10Mbps speed. It will cause some networking issues without RGMII mode, such as carrier sense errors and low throughput. TI also mentioned this issue in their forum[4]. This patch adds the check mechanism for PHY interface with RGMII interface type, the in-band mode can only be set in RGMII mode with 10Mbps speed. References: [1]: https://www.ti.com/lit/ug/spruh73p/spruh73p.pdf [2]: http://www.ti.com/lit/ug/spruhl7h/spruhl7h.pdf [3]: http://www.ti.com/lit/ug/spruic2b/spruic2b.pdf [4]: https://e2e.ti.com/support/arm/sitara_arm/f/791/p/640765/2392155 Suggested-by: Holsety Chen (陳憲輝) <Holsety.Chen@moxa.com> Signed-off-by: SZ Lin (林上智) <sz.lin@moxa.com> Signed-off-by: Schuyler Patton <spatton@ti.com> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-17net: hns: Fix ethtool private flagsMatthias Brugger
The driver implementation returns support for private flags, while no private flags are present. When asked for the number of private flags it returns the number of statistic flag names. Fix this by returning EOPNOTSUPP for not implemented ethtool flags. Signed-off-by: Matthias Brugger <mbrugger@suse.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-17mlxsw: spectrum_buffers: Set a minimum quota for CPU port trafficIdo Schimmel
In commit 9ffcc3725f09 ("mlxsw: spectrum: Allow packets to be trapped from any PG") I fixed a problem where packets could not be trapped to the CPU due to exceeded shared buffer quotas. The mentioned commit explains the problem in detail. The problem was fixed by assigning a minimum quota for the CPU port and the traffic class used for scheduling traffic to the CPU. However, commit 117b0dad2d54 ("mlxsw: Create a different trap group list for each device") assigned different traffic classes to different packet types and rendered the fix useless. Fix the problem by assigning a minimum quota for the CPU port and all the traffic classes that are currently in use. Fixes: 117b0dad2d54 ("mlxsw: Create a different trap group list for each device") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reported-by: Eddie Shklaer <eddies@mellanox.com> Tested-by: Eddie Shklaer <eddies@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-17cxgb4: Fix queue free path of ULD driversArjun Vynipadath
Setting sge_uld_rxq_info to NULL in free_queues_uld(). We are referencing sge_uld_rxq_info in cxgb_up(). This will fix a panic when interface is brought up after a ULDq creation failure. Fixes: 94cdb8bb993a (cxgb4: Add support for dynamic allocation of resources for ULD) Signed-off-by: Arjun Vynipadath <arjun@chelsio.com> Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Ganesh Goudhar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16liquidio: Simplified napi pollIntiyaz Basha
1) Moved interrupt enable related code from octeon_process_droq_poll_cmd() to separate function octeon_enable_irq(). 2) Removed wrapper function octeon_process_droq_poll_cmd(), and directlyi using octeon_droq_process_poll_pkts(). 3) Removed unused macros POLL_EVENT_XXX. Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16cxgb4: notify fatal error to uld driversGanesh Goudar
notify uld drivers if the adapter encounters fatal error. Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16qede: Fix qedr link updateMichal Kalderon
Link updates were not reported to qedr correctly. Leading to cases where a link could be down, but qedr would see it as up. In addition, once qede was loaded, link state would be up, regardless of the actual link state. Signed-off-by: Michal Kalderon <michal.kalderon@cavium.com> Signed-off-by: Ariel Elior <ariel.elior@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16qed: Fix non TCP packets should be dropped on iWARP ll2 connectionMichal Kalderon
FW workaround. The iWARP LL2 connection did not expect TCP packets to arrive on it's connection. The fix drops any non-tcp packets Fixes b5c29ca ("qed: iWARP CM - setup a ll2 connection for handling SYN packets") Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com> Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16qed: Fix MPA unalign flow in case header is split across two packets.Michal Kalderon
There is a corner case in the MPA unalign flow where a FPDU header is split over two tcp segments. The length of the first fragment in this case was not initialized properly and should be '1' Fixes: c7d1d839 ("qed: Add support for MPA header being split over two tcp packets") Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com> Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16net: systemport: Rewrite __bcm_sysport_tx_reclaim()Florian Fainelli
There is no need for complex checking between the last consumed index and current consumed index, a simple subtraction will do. This also eliminates the possibility of a permanent transmit queue stall under the following conditions: - one CPU bursts ring->size worth of traffic (up to 256 buffers), to the point where we run out of free descriptors, so we stop the transmit queue at the end of bcm_sysport_xmit() - because of our locking, we have the transmit process disable interrupts which means we can be blocking the TX reclamation process - when TX reclamation finally runs, we will be computing the difference between ring->c_index (last consumed index by SW) and what the HW reports through its register - this register is masked with (ring->size - 1) = 0xff, which will lead to stripping the upper bits of the index (register is 16-bits wide) - we will be computing last_tx_cn as 0, which means there is no work to be done, and we never wake-up the transmit queue, leaving it permanently disabled A practical example is e.g: ring->c_index aka last_c_index = 12, we pushed 256 entries, HW consumer index = 268, we mask it with 0xff = 12, so last_tx_cn == 0, nothing happens. Fixes: 80105befdb4b ("net: systemport: add Broadcom SYSTEMPORT Ethernet MAC driver") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16net: macb: Add phy-handle DT supportBrad Mouring
This optional binding (as described in the ethernet DT bindings doc) directs the netdev to the phydev to use. This is useful for a phy chip that has >1 phy in it, and two netdevs are using the same phy chip (i.e. the second mac's phy lives on the first mac's MDIO bus) The devicetree snippet would look something like this: ethernet@feedf00d { ... phy-handle = <&phy0> // the first netdev is physically wired to phy0 ... phy0: phy@0 { ... reg = <0x0> // MDIO address 0 ... } phy1: phy@1 { ... reg = <0x1> // MDIO address 1 ... } ... } ethernet@deadbeef { ... phy-handle = <&phy1> // tells the driver to use phy1 on the // first mac's mdio bus (it's wired thusly) ... } The work done to add the phy_node in the first place (dacdbb4dfc1a1: "net: macb: add fixed-link node support") will consume the device_node (if found). Signed-off-by: Brad Mouring <brad.mouring@ni.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16net: macb: Remove redundant poll irq assignmentBrad Mouring
In phy_device's general probe, this device will already be set for phy register polling, rendering this code redundant. Signed-off-by: Brad Mouring <brad.mouring@ni.com> Suggested-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16net: macb: Reorganize macb_mii bringupBrad Mouring
The macb mii setup (mii_probe() and mii_init()) previously was somewhat interspersed, likely a result of organic growth and hacking. This change moves mii bus registration into mii_init and probing the bus for devices into mii_probe. Signed-off-by: Brad Mouring <brad.mouring@ni.com> Suggested-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16enic: drop IP proto check for vxlan tunnel deleteGovindarajulu Varadarajan
Commit d11790941dd3 ("enic: Add vxlan offload support for IPv6 pkts") added vxlan offload support for IPv6 pkts. Required change in enic_udp_tunnel_del was not made. This creates a bug where once user adds IPv6 tunnel, hw offload for that cannot be deleted. This patch removes check for IP proto in tunnel delete path. Driver need not check for IP proto since same UDP port cannot be used to create two tunnels. Fixes: d11790941dd3 ("enic: Add vxlan offload support for IPv6 pkts") Signed-off-by: Govindarajulu Varadarajan <gvaradar@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16brcmfmac: drop Inter-Access Point Protocol packets by defaultRafał Miłecki
Testing brcmfmac with more recent firmwares resulted in AP interfaces not working in some specific setups. Debugging resulted in discovering support for IAPP in Broadcom's firmwares. Older firmwares were only generating 802.11f frames. Newer ones like: 1) 10.10 (TOB) (r663589) 2) 10.10.122.20 (r683106) for 4366b1 and 4366c0 respectively seem to also /respect/ 802.11f frames in the Tx path by performing a STA disassociation. This obsoleted standard and its implementation is something that: 1) Most people don't need / want to use 2) Can allow local DoS attacks 3) Breaks AP interfaces in some specific bridge setups To solve issues it can cause this commit modifies brcmfmac to drop IAPP packets. If affects: 1) Rx path: driver won't be sending these unwanted packets up. 2) Tx path: driver will reject packets that would trigger STA disassociation perfromed by a firmware (possible local DoS attack). It appears there are some Broadcom's clients/users who care about this feature despite the drawbacks. They can switch it on using a new module param. This change results in only two more comparisons (check for module param and check for Ethernet packet length) for 99.9% of packets. Its overhead should be very minimal. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-16iwlwifi: add shared clock PHY config flag for some devicesLuca Coelho
Some devices use a shared clock which is very sensitive to variations and cause trouble in some situations. We need to set a bit in the phy configuration to indicate that to the FW. To make this generic, add a extra_phy_config_flags element to the device configuration and OR it into the phy_cfg before sending it to the firmware. And also create a set of configurations for devices that use shared clocks and need this extra bit to be set. Fixes: c62446d2b028 ("iwlwifi: add new 9460 series PCI IDs") Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2018-03-16iwlwifi: mvm: fix error checking for multi/broadcast staJohannes Berg
The earlier patch called the station add functions but didn't assign their return value to the ret variable, so that the checks for it were meaningless. Fix that. Found by smatch: .../mac80211.c:2560 iwl_mvm_start_ap_ibss() warn: we tested 'ret' before and it was 'false' .../mac80211.c:2563 iwl_mvm_start_ap_ibss() warn: we tested 'ret' before and it was 'false' Fixes: 3a89411cd31c ("iwlwifi: mvm: fix assert 0x2B00 on older FWs") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2018-03-16iwlwifi: mvm: Correctly set IGTK for APBeni Lev
Currently when an IGTK is set for an AP, it is set as a regular key. Since the cipher is set to CMAC, the STA_KEY_FLG_EXT flag is added to the host command, which causes assert 0x253D on NICs that do not support this. Fixes: 85aeb58cec1a ("iwlwifi: mvm: Enable security on new TX API") Signed-off-by: Beni Lev <beni.lev@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2018-03-16iwlwifi: mvm: set the correct tid when we flush the MCAST staEmmanuel Grumbach
The tid being used for the queue (cab_queue) for the MCAST station has been changed recently to be 0 (for BE). The flush path still flushed only the special tid (15) which means that the firmware wasn't flushing the right queue and we could get a firmware crash upon remove station if we had an MCAST packet on the ring. The current code that flushes queues for a station only differentiates between internal stations (stations that aren't instantiated in mac80211, like the MCAST station) and the non-internal ones. Internal stations can be either: BCAST (beacons), MCAST (for cab_queue), GENERAL_PURPOSE (p2p dev, and sniffer injection). The internal stations can use different tids. To make the code simpler, just flush all the tids always and add the special internal tid (15) for internal stations. The firmware will know how to handle this even if we hadn't any queue mapped that that tid. Fixes: e340c1a6ef4b ("iwlwifi: mvm: Correctly set the tid for mcast queue") Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2018-03-15RDMA/mlx4: Move flag constants to uapi headerJason Gunthorpe
MLX4_USER_DEV_CAP_LARGE_CQE (via mlx4_ib_alloc_ucontext_resp.dev_caps) and MLX4_IB_QUERY_DEV_RESP_MASK_CORE_CLOCK_OFFSET (via mlx4_uverbs_ex_query_device_resp.comp_mask) are copied directly to userspace and form part of the uAPI. Move them to the uapi header where they belong. Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-03-15net: drivers/net: Remove unnecessary skb_copy_expand OOM messagesJoe Perches
skb_copy_expand without __GFP_NOWARN already does a dump_stack on OOM so these messages are redundant. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-14Merge branch 'k.o/wip/dl-for-rc' into k.o/wip/dl-for-nextDoug Ledford
Due to bug fixes found by the syzkaller bot and taken into the for-rc branch after development for the 4.17 merge window had already started being taken into the for-next branch, there were fairly non-trivial merge issues that would need to be resolved between the for-rc branch and the for-next branch. This merge resolves those conflicts and provides a unified base upon which ongoing development for 4.17 can be based. Conflicts: drivers/infiniband/hw/mlx5/main.c - Commit 42cea83f9524 (IB/mlx5: Fix cleanup order on unload) added to for-rc and commit b5ca15ad7e61 (IB/mlx5: Add proper representors support) add as part of the devel cycle both needed to modify the init/de-init functions used by mlx5. To support the new representors, the new functions added by the cleanup patch needed to be made non-static, and the init/de-init list added by the representors patch needed to be modified to match the init/de-init list changes made by the cleanup patch. Updates: drivers/infiniband/hw/mlx5/mlx5_ib.h - Update function prototypes added by representors patch to reflect new function names as changed by cleanup patch drivers/infiniband/hw/mlx5/ib_rep.c - Update init/de-init stage list to match new order from cleanup patch Signed-off-by: Doug Ledford <dledford@redhat.com>
2018-03-14i40e: restore TCPv4 input set when re-enabling ATRJacob Keller
When we re-enable ATR we need to restore the input set for TCPv4 filters, in order for ATR to function correctly. We already do this for the normal case of re-enabling ATR when disabling ntuple support. However, when re-enabling ATR after the last TCPv4 filter is removed (but when ntuple support is still active), we did not restore the TCPv4 filter input set. This can cause problems if the TCPv4 filters from FDir had changed the input set, as ATR will no longer behave as expected. When clearing the ATR auto-disable flag, make sure we restore the TCPv4 input set to avoid this. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-03-14i40e: fix for wrong partition id calculation on OCP mezz cardsMariusz Stachura
This patch overwrites number of ports for X722 devices with support for OCP PHY mezzanine. The old method with checking if port is disabled in the PRTGEN_CNF register cannot be used in this case. When the OCP is removed, ports were seen as disabled, which resulted in wrong calculation of partition id, that caused WoL to be disabled on certain ports. Signed-off-by: Mariusz Stachura <mariusz.stachura@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-03-14i40e: factor out re-enable functions for ATR and SBJacob Keller
A future patch needs to expand on the logic for re-enabling ATR. Doing so would cause some code to break the 80-character line limit. To reduce the level of indentation, factor out helper functions for re-enabling ATR and SB rules. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-03-14i40e: track filter type statistics when deleting invalid filtersJacob Keller
When hardware has trouble with a particular filter, we delete it from the list. Unfortunately, we did not properly update the per-filter statistic when doing so. Create a helper function to handle this, and properly reduce the necessary counter so that it tracks the number of active filters properly. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-03-14i40e: Fix permission check for VF MAC filtersFilip Sadowski
When VF requests adding of MAC filters the checking is done against number of already present MAC filters not adding them at the same time. It makes it possible to add a bunch of filters at once possibly exceeding acceptable limit of I40E_VC_MAX_MAC_ADDR_PER_VF filters. This happens because when checking vf->num_mac, we do not check how many filters are being requested at once. Modify the check function to ensure that it knows how many filters are being requested. This allows the check to ensure that the total number of filters in a single request does not cause us to go over the limit. Additionally, move the check to within the lock to ensure that the vf->num_mac is checked while holding the lock to maintain consistency. We could have simply moved the call to i40e_vf_check_permission to within the loop, but this could cause a request to be non-atomic, and add some but not all the addresses, while reporting an error code. We want to avoid this behavior so that users are not confused about which filters have or have not been added. Signed-off-by: Filip Sadowski <filip.sadowski@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-03-14i40e: Cleanup i40e_vlan_rx_registerJacob Keller
We used to use the function i40e_vlan_rx_register as a way to hook into the now defunct .ndo_vlan_rx_register netdev hook. This was removed but we kept the function around because we still used it internally to control enabling or disabling of VLAN stripping. As pointed out in upstream review, VLAN stripping is only used in a single location and the previous function is quite small, just inline it into i40e_restore_vlan() rather than carrying the function separately. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-03-14i40e: Fix attach VF to VM issuePaweł Jabłoński
Fix for "Resource temporarily unavailable" problem when virsh is trying to attach a device to VM. When the VF driver is loaded on host and virsh is trying to attach it to the VM and set a MAC address, it ends with a race condition between i40e_reset_vf and i40e_ndo_set_vf_mac functions. The bug is fixed by adding polling in i40e_ndo_set_vf_mac function For when the VF is in Reset mode. Signed-off-by: Paweł Jabłoński <pawel.jablonski@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-03-14i40evf/i40evf_main: Fix variable assignment in i40evf_parse_cls_flowerGustavo A R Silva
It seems this is a copy-paste error and that the proper variable to use in this particular case is _src_ instead of _dst_. Addresses-Coverity-ID: 1465282 ("Copy-paste error") Fixes: 0075fa0fadd0 ("i40evf: Add support to apply cloud filters") Signed-off-by: Gustavo A R Silva <garsilva@embeddedor.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-03-14i40e: remove i40e_fcoe filesCorentin Labbe
i40e_fcoe support was removed via commit 9eed69a9147c ("i40e: Drop FCoE code from core driver files") But this left files in place but un-compilable. Let's finish the cleaning. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-03-14sunvnet: does not support GSO for sctpCathy Zhou
The NETIF_F_GSO_SOFTWARE implies support for GSO on SCTP, but the sunvnet driver does not support GSO for sctp. Here we remove the NETIF_F_GSO_SOFTWARE feature flag and only report NETIF_F_ALL_TSO instead. Signed-off-by: Cathy Zhou <Cathy.Zhou@Oracle.COM> Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-14Merge tag 'linux-can-fixes-for-4.16-20180314' of ↵David S. Miller
ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2018-03-14 this is a pull request of two patches for net/master. Both patches are by Andri Yngvason and fix problems in the cc770 driver, that show up quite fast on RT systems, but also on non RT setups. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-14tg3: prevent scheduling while atomic splatJonathan Toppins
The problem was introduced in commit 506b0a395f26 ("[netdrv] tg3: APE heartbeat changes"). The bug occurs because tp->lock spinlock is held which is obtained in tg3_start by way of tg3_full_lock(), line 11571. The documentation for usleep_range() specifically states it cannot be used inside a spinlock. Fixes: 506b0a395f26 ("[netdrv] tg3: APE heartbeat changes") Signed-off-by: Jonathan Toppins <jtoppins@redhat.com> Acked-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-14liquidio: Add support for liquidio 10GBase-T NICVeerasenareddy Burru
Added ethtool changes to show port type as TP (Twisted Pair) for 10GBASE-T ports. Same driver and firmware works for liquidio NIC with SFP+ ports or TP ports. Signed-off-by: Veerasenareddy Burru <veerasenareddy.burru@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-14tuntap: XDP_TX can use native XDPJason Wang
Now we have ndo_xdp_xmit, switch to use it instead of the slow generic XDP TX routine. XDP_TX on TAP gets ~20% improvements from ~1.5Mpps to ~1.8Mpps on 2.60GHz Core(TM) i7-5600U. Signed-off-by: Jason Wang <jasowang@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-14dpaa_eth: remove duplicate increment of the tx_errors counterCamelia Groza
The tx_errors counter is incremented by the dpaa_xmit caller. Signed-off-by: Camelia Groza <camelia.groza@nxp.com> Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-14dpaa_eth: increment the RX dropped counter when neededCamelia Groza
Signed-off-by: Camelia Groza <camelia.groza@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-14dpaa_eth: remove duplicate initializationCamelia Groza
The fd_format has already been initialized at this point. Signed-off-by: Camelia Groza <camelia.groza@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-14dpaa_eth: fix error in dpaa_remove()Madalin Bucur
The recent changes that make the driver probing compatible with DSA were not propagated in the dpa_remove() function, breaking the module unload function. Using the proper device to address the issue. Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-14sfc: support FEC configuration through ethtoolEdward Cree
As well as 'auto' and the forced 'off', 'rs' and 'baser' states, we also handle combinations of settings (since the fecparam->fec field is a bitmask), where auto|rs and auto|baser specify a preferred FEC mode but will fall back to the other if the cable or link partner doesn't support it. rs|baser (with or without auto bit) means prefer FEC even where auto wouldn't use it, but let FW choose which encoding to use. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-14sfc: update MCDI protocol headersEdward Cree
Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-14ibmvnic: Fix reset return from closed stateJohn Allen
The case in which we handle a reset from the state where the device is closed seems to be bugged for all types of reset. For most types of reset we currently exit the reset routine correctly, but don't set the state to indicate that we are back in the "closed" state. For some specific cases, we don't exit the reset routine at all and resetting will cause a closed device to be opened. This patch fixes the problem by unconditionally checking the reset_state and correctly setting the adapter state before returning. Signed-off-by: John Allen <jallen@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-14can: cc770: Fix queue stall & dropped RTR replyAndri Yngvason
While waiting for the TX object to send an RTR, an external message with a matching id can overwrite the TX data. In this case we must call the rx routine and then try transmitting the message that was overwritten again. The queue was being stalled because the RX event did not generate an interrupt to wake up the queue again and the TX event did not happen because the TXRQST flag is reset by the chip when new data is received. According to the CC770 datasheet the id of a message object should not be changed while the MSGVAL bit is set. This has been fixed by resetting the MSGVAL bit before modifying the object in the transmit function and setting it after. It is not enough to set & reset CPUUPD. It is important to keep the MSGVAL bit reset while the message object is being modified. Otherwise, during RTR transmission, a frame with matching id could trigger an rx-interrupt, which would cause a race condition between the interrupt routine and the transmit function. Signed-off-by: Andri Yngvason <andri.yngvason@marel.com> Tested-by: Richard Weinberger <richard@nod.at> Cc: linux-stable <stable@vger.kernel.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2018-03-14can: cc770: Fix stalls on rt-linux, remove redundant IRQ ackAndri Yngvason
This has been reported to cause stalls on rt-linux. Suggested-by: Richard Weinberger <richard@nod.at> Tested-by: Richard Weinberger <richard@nod.at> Signed-off-by: Andri Yngvason <andri.yngvason@marel.com> Cc: linux-stable <stable@vger.kernel.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2018-03-14ath9k: Protect queue draining by rcu_read_lock()Toke Høiland-Jørgensen
When ath9k was switched over to use the mac80211 intermediate queues, node cleanup now drains the mac80211 queues. However, this call path is not protected by rcu_read_lock() as it was previously entirely internal to the driver which uses its own locking. This leads to a possible rcu_dereference() without holding rcu_read_lock(); but only if a station is cleaned up while having packets queued on the TXQ. Fix this by adding the rcu_read_lock() to the caller in ath9k. Fixes: 50f08edf9809 ("ath9k: Switch to using mac80211 intermediate software queues.") Cc: stable@vger.kernel.org Reported-by: Ben Greear <greearb@candelatech.com> Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-14ath10k: dma unmap mgmt tx buffer if wmi cmd send failsRakesh Pillai
WCN3990 sends mgmt frames by reference via WMI. The host dma maps the mgmt frame and sends the physical address to the firmware in the wmi command. Since the dma mapping is done in the gen_mgmt_tx and if the wmi command send fails, the corresponding mgmt frame is not being dma unmapped. Fix the missing dma unmapping of mgmt tx frame when wmi command sending fails for mgmt tx by reference via WMI. The already exisiting mgmt tx using copy by value does not need such dma unmapping. Add a separate wmi-tlv op for mgmt tx via ref, which takes care of unmapping the dma address, in case of wmi command sending failure. Signed-off-by: Rakesh Pillai <pillair@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13mwifiex: get_channel from firmwareGanapathi Bhat
At present driver gets chan_type by referring to IEEE80211_HT_PARAM_CHA_SEC_OFFSET, in ASSOC response. Sometimes AP shows IEEE80211_HT_PARAM_CHA_SEC_OFFSET as above/below in assoc response, even if the association is done on HT20 channel only. So, it will be accurate to get econdary channel offset from firmware. Signed-off-by: Cathy Luo <cluo@marvell.com> Signed-off-by: Ganapathi Bhat <gbhat@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>