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2017-12-15net: phy: phylink: Handle NULL fwnode_handleFlorian Fainelli1-0/+3
Unlike the various of_* routines to fetch properties, fwnode_* routines can have an early check against a NULL fwnode_handle reference which makes them return -EINVAL (see fwnode_call_int_op), thus making it virtually impossible to differentiate what type of error is going on. Have an early check in phylink_register_sfp() so we can keep proceeding with the initialization, there is not much we can do without a valid fwnode_handle except return early and treat this similarly to -ENOENT. Fixes: 8fa7b9b6af25 ("phylink: convert to fwnode") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15qmi_wwan: set FLAG_SEND_ZLP to avoid network initiated disconnectBjørn Mork1-2/+2
It has been reported that the dummy byte we add to avoid ZLPs can be forwarded by the modem to the PGW/GGSN, and that some operators will drop the connection if this happens. In theory, QMI devices are based on CDC ECM and should as such both support ZLPs and silently ignore the dummy byte. The latter assumption failed. Let's test out the first. Signed-off-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: alteon: acenic: clean up indentation issueColin Ian King1-7/+7
There is a hunk of code that is incorrectly indented with spaces and rather than a tab. Clean this up. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15sfp: add sff module supportRussell King2-14/+65
Add support for SFF modules, which are soldered down SFP modules. These have a different phys_id value, and also have the present and rate select signals omitted compared with their socketed counter-parts. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15dt-bindings: add sff,sff binding for SFP supportRussell King1-3/+7
Add "sff,sff" for SFF module support with SFP. These have a different phys_id value, and also have the present and rate select signals omitted compared with their socketed counter-parts. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15nfp: fix XPB register reads in debug dumpCarl Heymann1-2/+13
For XPB registers reads, some island IDs require special handling (e.g. ARM island), which is already taken care of in nfp_xpb_readl(), so use that instead of a straight CPP read. Without this fix all "xpbm:ArmIsldXpbmMap.*" registers are reported as 0xffffffff. It has also been observed to cause a system reboot. With this fix correct values are reported, none of which are 0xffffffff. The values may be read using ethtool debug level 2. # ethtool -W <netdev> 2 # ethtool -w <netdev> data dump.dat Fixes: 0e6c4955e149 ("nfp: dump CPP, XPB and direct ME CSRs") Signed-off-by: Carl Heymann <carl.heymann@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15nfp: fix absolute rtsym handling in debug dumpCarl Heymann1-16/+26
In TLV-based ethtool debug dumps, don't do a CPP read for absolute rtsyms, use the addr field in the symbol table directly as the value. Without this fix rtsym gro_release_ring_0 is 4 bytes of zeros. With this fix the correct value, 0x0000004a 0x00000000 is reported. The values may be read using ethtool debug level 2. # ethtool -W <netdev> 2 # ethtool -w <netdev> data dump.dat Fixes: e1e798e3fd93 ("nfp: dump rtsyms") Signed-off-by: Carl Heymann <carl.heymann@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15samples/bpf: add erspan v2 sample codeWilliam Tu2-19/+96
Extend the existing tests for ipv4 ipv6 erspan version 2. Signed-off-by: William Tu <u9012063@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15ip6_gre: add erspan v2 supportWilliam Tu2-16/+107
Similar to support for ipv4 erspan, this patch adds erspan v2 to ip6erspan tunnel. Signed-off-by: William Tu <u9012063@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: erspan: introduce erspan v2 for ip_greWilliam Tu5-18/+216
The patch adds support for erspan version 2. Not all features are supported in this patch. The SGT (security group tag), GRA (timestamp granularity), FT (frame type) are set to fixed value. Only hardware ID and direction are configurable. Optional subheader is also not supported. Signed-off-by: William Tu <u9012063@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: erspan: refactor existing erspan codeWilliam Tu4-33/+61
The patch refactors the existing erspan implementation in order to support erspan version 2, which has additional metadata. So, in stead of having one 'struct erspanhdr' holding erspan version 1, breaks it into 'struct erspan_base_hdr' and 'struct erspan_metadata'. Signed-off-by: William Tu <u9012063@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15nfp: implement firmware flashingDirk van der Merwe3-0/+67
Firmware flashing takes around 60s (specified to not take more than 70s). Prevent hogging the RTNL lock in this time and make use of the longer timeout for the NSP command. The timeout is set to 2.5 * 70 seconds. We only allow flashing the firmware from reprs or PF netdevs. VFs do not have an app reference. Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15nfp: extend NSP infrastructure for configurable timeoutsDirk van der Merwe1-17/+43
The firmware flashing NSP operation takes longer to execute than the current default timeout. We need a mechanism to set a longer timeout for some commands. This patch adds the infrastructure to this. The default timeout is still 30 seconds. Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15ipvlan: remove excessive packet scrubbingMahesh Bandewar1-2/+2
IPvlan currently scrubs packets at every location where packets may be crossing namespace boundary. Though this is desirable, currently IPvlan does it more than necessary. e.g. packets that are going to take dev_forward_skb() path will get scrubbed so no point in scrubbing them before forwarding. Another side-effect of scrubbing is that pkt-type gets set to PACKET_HOST which overrides what was already been set by the earlier path making erroneous delivery of the packets. Also scrubbing packets just before calling dev_queue_xmit() has detrimental effects since packets lose skb->sk and because of that miss prio updates, incorrect socket back-pressure and would even break TSQ. Fixes: b93dd49c1a35 ('ipvlan: Scrub skb before crossing the namespace boundary') Signed-off-by: Mahesh Bandewar <maheshb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15Revert "ipvlan: add L2 check for packets arriving via virtual devices"Mahesh Bandewar1-4/+0
This reverts commit 92ff42645028fa6f9b8aa767718457b9264316b4. Even though the check added is not that taxing, it's not really needed. First of all this will be per packet cost and second thing is that the eth_type_trans() already does this correctly. The excessive scrubbing in IPvlan was changing the pkt-type skb metadata of the packet which made it necessary to re-check the mac. The subsequent patch in this series removes the faulty packet-scrub. Signed-off-by: Mahesh Bandewar <maheshb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: dsa: bcm_sf2: Update compatible string for 7278B0Florian Fainelli2-1/+7
Update the compatible string and Device Tree binding document for 7278B0. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: hns3: Add mailbox interrupt handling to PF driverSalil Mehta2-8/+68
All PF mailbox events are conveyed through a common interrupt (vector 0). This interrupt vector is shared by reset and mailbox. This patch adds the handling of mailbox interrupt event and its deferred processing in context to a separate mailbox task. Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: lipeng <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: hns3: Change PF to add ring-vect binding & resetQ to mailboxSalil Mehta3-92/+159
This patch is required to support ring-vector binding and reset of TQPs requested by the VF driver to the PF driver. Mailbox handler is added with corresponding VF commands/messages to handle the request. Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: lipeng <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: hns3: Add mailbox support to PF driverSalil Mehta4-1/+309
Command queue provides the provision of Mailbox command which can be used for communication between PF and VF. PF handles messages from various VFs for fetching various information like, queue, vlan, link status related etc. It also handles the request from various VFs to perform certain privileged operations. This patch adds the support of a message handler for handling such various command requests from VF. Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: lipeng <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: hns3: Unified HNS3 {VF|PF} Ethernet Driver for hip08 SoCSalil Mehta9-12/+46
Most of the NAPI handling interface, skb buffer management, management of the RX/TX descriptors, ethool interface etc. has quite a bit of code which is common to VF and PF driver. This patch makes the exisitng PF's HNS3 ENET driver as the common ENET driver for both Virtual & Physical Function. This will help in reduction of redundancy and better management of code. Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: lipeng <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: hns3: Add HNS3 VF driver to kernel build frameworkSalil Mehta3-9/+30
This patch introduces the new Makefiles and updates existing Makefiles required to build the HNS3 Virtual Function driver. This also updates the Kconfig for introduction of new menuconfig entries related to VF driver. Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: lipeng <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: hns3: Add HNS3 VF HCL(Hardware Compatibility Layer) SupportSalil Mehta2-0/+1653
This patch adds the support of hardware compatibiltiy layer to the HNS3 VF Driver. This layer implements various {set|get} operations over MAC address for a virtual port, RSS related configuration, fetches the link status info from PF, does various VLAN related configuration over the virtual port, queries the statistics from the hardware etc. This layer can directly interact with hardware through the IMP(Integrated Mangement Processor) interface or can use mailbox to interact with the PF driver. Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: lipeng <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: hns3: Add mailbox support to VF driverSalil Mehta2-0/+269
This patch adds the support of the mailbox to the VF driver. The mailbox shall be used as an interface to communicate with the PF driver for various purposes like {set|get} MAC related operations, reset, link status etc. The mailbox supports both synchronous and asynchronous command send to PF driver. Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: lipeng <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: hns3: Add HNS3 VF IMP(Integrated Management Proc) cmd interfaceSalil Mehta2-0/+598
This patch adds support of command interface for communication with the IMP(Integrated Management Processor) for HNS3 Virtual Function Driver. Each VF has support of CQP(Command Queue Pair) ring interface. Each CQP consis of send queue CSQ and receive queue CRQ. There are various commands a VF may support, like to query frimware version, TQP management, statistics, interrupt related, mailbox etc. This also contains code to initialize the command queue, manage the command queue descriptors and Rx/Tx protocol with the command processor in the form of various commands/results and acknowledgements. Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: lipeng <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: dsa: mediatek: update MAINTAINERS entry with MediaTek switch driverSean Wang1-0/+7
I work for MediaTek and maintain SoC targeting to home gateway and also will keep extending and testing the function from MediaTek switch. Signed-off-by: Sean Wang <sean.wang@mediatek.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: dsa: mediatek: combine MediaTek tag with VLAN tagSean Wang1-9/+29
In order to let MT7530 switch can recognize well those egress packets having both special tag and VLAN tag, the information about the special tag should be carried on the existing VLAN tag. On the other hand, it's unnecessary for extra handling for ingress packets when VLAN tag is present since it is able to put the VLAN tag after the special tag and then follow the existing way to parse. Signed-off-by: Sean Wang <sean.wang@mediatek.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-15net: dsa: mediatek: add VLAN support for MT7530Sean Wang2-7/+364
MT7530 can treat each port as either VLAN-unaware port or VLAN-aware port through the implementation of port matrix mode or port security mode on the ingress port, respectively. On one hand, Each port has been acting as the VLAN-unaware one whenever the device is created in the initial or certain port joins or leaves into/from the bridge at the runtime. On the other hand, the patch just filling the required callbacks for VLAN operations is achieved via extending the port to be into port security mode when the port is configured as VLAN-aware port. Which mode can make the port be able to recognize VID from incoming packets and look up VLAN table to validate and judge which port it should be going to. And the range for VID from 1 to 4094 is valid for the hardware. Signed-off-by: Sean Wang <sean.wang@mediatek.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13net: dsa: lan9303: Introduce lan9303_read_waitEgil Hjelmeland1-32/+27
Simplify lan9303_indirect_phy_wait_for_completion() and lan9303_switch_wait_for_completion() by using a new function lan9303_read_wait() Changes v1 -> v2: - param 'mask' type u32 - removed param 'value' (will probably never be used) - add newline before return Signed-off-by: Egil Hjelmeland <privat@egil-hjelmeland.no> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13hv_netvsc: empty current transmit aggregation if flow blockedStephen Hemminger4-10/+17
If the transmit queue is known full, then don't keep aggregating data. And the cp_partial flag which indicates that the current aggregation buffer is full can be folded in to avoid more conditionals. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13hv_netvsc: remove open_cnt reference countStephen Hemminger3-10/+4
There is only ever a single instance of network device object referencing the internal rndis object. Therefore the open_cnt atomic is not necessary. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13hv_netvsc: pass netvsc_device to receive callbackStephen Hemminger3-14/+8
The netvsc_receive_callback function was using RCU to find the appropriate underlying netvsc_device. Since calling function already had that pointer, this was unnecessary. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13hv_netvsc: simplify function args in receive status pathStephen Hemminger4-19/+7
The caller (netvsc_receive) already has the net device pointer, and should just pass that to functions rather than the hyperv device. This eliminates several impossible error paths in the process. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13hv_netvsc: track memory allocation failures in ethtool statsStephen Hemminger2-2/+4
When skb can not be allocated, update ethtool statisitics rather than rx_dropped which is intended for netif_receive. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13hv_netvsc: copy_to_send buf can be voidStephen Hemminger1-14/+8
Since only caller does not care about return value. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13net: phy: phylink: Report MoCA as PORT_BNCFlorian Fainelli1-1/+4
Similarly to what PHYLIB already does, make sure that PHY_INTERFACE_MODE_MOCA is reported as PORT_BNC. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13net: phy: phylink: Allow setting a custom link state callbackFlorian Fainelli2-2/+35
phylink_get_fixed_state() currently consults an optional "link_gpio" GPIO descriptor, expand this mechanism to allow specifying a custom callback. This is necessary to support out of band link notifcation (e.g: from an interrupt within a MMIO register). Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13net: phy: phylink: Remove error messageFlorian Fainelli1-3/+1
Some subsystems like DSA may be trying to connect to a PHY through OF first, and then attempt a connect using a local MDIO bus, remove the error message: "unable to find PHY node" so we can let MAC drivers whether to print it or not. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13net: phy: phylink: Use PHY device interface if N/AFlorian Fainelli1-0/+6
We may not always be able to resolve a correct phy_interface_t value before actually connecting to the PHY device, when that happens, just have phylink_connect_phy() utilize what the PHY device/driver provided. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13net: phy: phylink: Allow specifying PHY device flagsFlorian Fainelli2-3/+6
In order to let subsystems like DSA fully utilize PHYLINK, we need to be able to communicate phy_device::flags from of_phy_{connect,attach} even when using PHYLINK APIs. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13tcp: pause Fast Open globally after third consecutive timeoutYuchung Cheng5-33/+25
Prior to this patch, active Fast Open is paused on a specific destination IP address if the previous connections to the IP address have experienced recurring timeouts . But recent experiments by Microsoft (https://goo.gl/cykmn7) and Mozilla browsers indicate the isssue is often caused by broken middle-boxes sitting close to the client. Therefore it is much better user experience if Fast Open is disabled out-right globally to avoid experiencing further timeouts on connections toward other destinations. This patch changes the destination-IP disablement to global disablement if a connection experiencing recurring timeouts or aborts due to timeout. Repeated incidents would still exponentially increase the pause time, starting from an hour. This is extremely conservative but an unfortunate compromise to minimize bad experience due to broken middle-boxes. Reported-by: Dragana Damjanovic <ddamjanovic@mozilla.com> Reported-by: Patrick McManus <mcmanus@ducksong.com> Signed-off-by: Yuchung Cheng <ycheng@google.com> Reviewed-by: Wei Wang <weiwan@google.com> Reviewed-by: Neal Cardwell <ncardwell@google.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13net: ethernet: ti: cpdma: correct error handling for chan createIvan Khoronzhuk3-6/+19
It's not correct to return NULL when that is actually an error and function returns errors in any other wrong case. In the same time, the cpsw driver and davinci emac doesn't check error case while creating channel and it can miss actual error. Also remove WARNs replacing them on dev_err msgs. Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13cxgb4: Add support for ethtool i2c dumpArjun Vynipadath5-0/+182
Adds support for ethtool get_module_info() and get_module_eeprom() callbacks that will dump necessary information for a SFP. Signed-off-by: Arjun Vynipadath <arjun@chelsio.com> Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13net: avoid skb_warn_bad_offload on IS_ERRWillem de Bruijn1-1/+1
skb_warn_bad_offload warns when packets enter the GSO stack that require skb_checksum_help or vice versa. Do not warn on arbitrary bad packets. Packet sockets can craft many. Syzkaller was able to demonstrate another one with eth_type games. In particular, suppress the warning when segmentation returns an error, which is for reasons other than checksum offload. See also commit 36c92474498a ("net: WARN if skb_checksum_help() is called on skb requiring segmentation") for context on this warning. Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13net: sk_pacing_shift_update() helperEric Dumazet1-0/+11
In commit 3a9b76fd0db9 ("tcp: allow drivers to tweak TSQ logic") I gave a code sample to set sk->sk_pacing_shift that was not complete. Better add a helper that can be used by drivers without worries, and maybe amended in the future. A wifi driver might use it from its ndo_start_xmit() Following call would setup TCP to allow up to ~8ms of queued data per flow. sk_pacing_shift_update(skb->sk, 7); Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13net: bridge: use rhashtable for fdbsNikolay Aleksandrov5-219/+211
Before this patch the bridge used a fixed 256 element hash table which was fine for small use cases (in my tests it starts to degrade above 1000 entries), but it wasn't enough for medium or large scale deployments. Modern setups have thousands of participants in a single bridge, even only enabling vlans and adding a few thousand vlan entries will cause a few thousand fdbs to be automatically inserted per participating port. So we need to scale the fdb table considerably to cope with modern workloads, and this patch converts it to use a rhashtable for its operations thus improving the bridge scalability. Tests show the following results (10 runs each), at up to 1000 entries rhashtable is ~3% slower, at 2000 rhashtable is 30% faster, at 3000 it is 2 times faster and at 30000 it is 50 times faster. Obviously this happens because of the properties of the two constructs and is expected, rhashtable keeps pretty much a constant time even with 10000000 entries (tested), while the fixed hash table struggles considerably even above 10000. As a side effect this also reduces the net_bridge struct size from 3248 bytes to 1344 bytes. Also note that the key struct is 8 bytes. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13net: phy: marvell10g: remove XGMII as an option for 88x3310Russell King1-1/+0
Remove XGMII as an option for the 88x3310 PHY driver, as the PHY doesn't support XGMII's 32-bit data lanes. It supports USXGMII, which is not XGMII, but a single-lane serdes interface - see https://developer.cisco.com/site/usgmii-usxgmii/ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13r8169: remove netif_napi_del in probe error pathHeiner Kallweit1-10/+3
netif_napi_del is called implicitely by free_netdev, therefore we don't have to do it explicitely. When the probe error path is reached, the net_device isn't registered yet. Therefore reordering the call to netif_napi_del shouldn't cause any issues. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13r8169: switch to device-managed functions in probeHeiner Kallweit1-60/+20
Simplify probe error path and remove callback by using device-managed functions. rtl_disable_msi isn't needed any longer because the release callback of pcim_enable_device does this implicitely. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13PCI: Add pcim_set_mwi(), a device-managed pci_set_mwi()Heiner Kallweit2-0/+26
Add pcim_set_mwi(), a device-managed version of pci_set_mwi(). First user is the Realtek r8169 driver. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-13tcp/dccp: avoid one atomic operation for timewait hashdanceEric Dumazet4-22/+23
First, rename __inet_twsk_hashdance() to inet_twsk_hashdance() Then, remove one inet_twsk_put() by setting tw_refcnt to 3 instead of 4, but adding a fat warning that we do not have the right to access tw anymore after inet_twsk_hashdance() Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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