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2018-11-17net: align gnet_stats_basic_cpu structEric Dumazet1-1/+1
This structure is small (12 or 16 bytes depending on 64bit or 32bit kernels), but we do not want it spanning two cache lines. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-17net: align pcpu_sw_netstats and pcpu_lstats structsEric Dumazet1-2/+2
Do not risk spanning these small structures on two cache lines, it is absolutely not worth it. For 32bit arches, the hint might not be enough, but we do not really care anymore. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-17net/ncsi: Configure multi-package, multi-channel modes with failoverSamuel Mendoza-Jonas1-0/+15
This patch extends the ncsi-netlink interface with two new commands and three new attributes to configure multiple packages and/or channels at once, and configure specific failover modes. NCSI_CMD_SET_PACKAGE mask and NCSI_CMD_SET_CHANNEL_MASK set a whitelist of packages or channels allowed to be configured with the NCSI_ATTR_PACKAGE_MASK and NCSI_ATTR_CHANNEL_MASK attributes respectively. If one of these whitelists is set only packages or channels matching the whitelist are considered for the channel queue in ncsi_choose_active_channel(). These commands may also use the NCSI_ATTR_MULTI_FLAG to signal that multiple packages or channels may be configured simultaneously. NCSI hardware arbitration (HWA) must be available in order to enable multi-package mode. Multi-channel mode is always available. If the NCSI_ATTR_CHANNEL_ID attribute is present in the NCSI_CMD_SET_CHANNEL_MASK command the it sets the preferred channel as with the NCSI_CMD_SET_INTERFACE command. The combination of preferred channel and channel whitelist defines a primary channel and the allowed failover channels. If the NCSI_ATTR_MULTI_FLAG attribute is also present then the preferred channel is configured for Tx/Rx and the other channels are enabled only for Rx. Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-17tcp: add SRTT to SCM_TIMESTAMPING_OPT_STATSYousuk Seung1-0/+1
Add TCP_NLA_SRTT to SCM_TIMESTAMPING_OPT_STATS that reports the smoothed round trip time in microseconds (tcp_sock.srtt_us >> 3). Signed-off-by: Yousuk Seung <ysseung@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Acked-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-17uapi/ethtool: fix spelling errorsStephen Hemminger1-2/+2
Trivial spelling errors found by codespell. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-16net: sched: gred: allow manipulating per-DP RED flagsJakub Kicinski1-0/+1
Allow users to set and dump RED flags (ECN enabled and harddrop) on per-virtual queue basis. Validation of attributes is split from changes to make sure we won't have to undo previous operations when we find out configuration is invalid. The objective is to allow changing per-Qdisc parameters without overwriting the per-vq configured flags. Old user space will not pass the TCA_GRED_VQ_FLAGS attribute and per-Qdisc flags will always get propagated to the virtual queues. New user space which wants to make use of per-vq flags should set per-Qdisc flags to 0 and then configure per-vq flags as it sees fit. Once per-vq flags are set per-Qdisc flags can't be changed to non-zero. Vice versa - if the per-Qdisc flags are non-zero the TCA_GRED_VQ_FLAGS attribute has to either be omitted or set to the same value as per-Qdisc flags. Update per-Qdisc parameters: per-Qdisc | per-VQ | result 0 | 0 | all vq flags updated 0 | non-0 | error (vq flags in use) non-0 | 0 | -- impossible -- non-0 | non-0 | all vq flags updated Update per-VQ state (flags parameter not specified): no change to flags Update per-VQ state (flags parameter set): per-Qdisc | per-VQ | result 0 | any | per-vq flags updated non-0 | 0 | -- impossible -- non-0 | non-0 | error (per-Qdisc flags in use) Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: John Hurley <john.hurley@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-16net: sched: gred: provide a better structured dump and expose statsJakub Kicinski1-0/+26
Currently all GRED's virtual queue data is dumped in a single array in a single attribute. This makes it pretty much impossible to add new fields. In order to expose more detailed stats add a new set of attributes. We can now expose the 64 bit value of bytesin and all the mark stats which were not part of the original design. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: John Hurley <john.hurley@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-16tcp: clean up STATE_TRACEYafang Shao1-12/+0
Currently we can use bpf or tcp tracepoint to conveniently trace the tcp state transition at the run time. So we don't need to do this stuff at the compile time anymore. Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-16net: remove unused skb_send_sock()Cong Wang1-1/+0
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-16net: remove VLAN_TAG_PRESENTMichał Mirosław2-12/+15
Replace VLAN_TAG_PRESENT with single bit flag and free up VLAN.CFI overload. Now VLAN.CFI is visible in networking stack and can be passed around intact. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-16net/skbuff: add macros for VLAN_PRESENT bitMichał Mirosław1-0/+6
Wrap VLAN_PRESENT bit using macro like PKT_TYPE_* and CLONED_*, as used by BPF code. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-15Merge branch '40GbE' of ↵David S. Miller1-5/+5
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue Jeff Kirsher says: ==================== 40GbE Intel Wired LAN Driver Updates 2018-11-14 This series contains updates to i40e and virtchnl. Lance Roy updates i40e to use lockdep_assert_held() instead of spin_is_locked(), since it is better suited to check locking requirements. Jan improves the code readability in XDP by adding the use of a local variable. Provides protection on methods that create/modify/destroy VF's via locking mechanism to prevent unstable behaviour and potential kernel panics. Krzysztof adds a hardware capability flag to indicate whether firmware supports stopping the LLDP agent. Patryk replaces the use of strncpy() with strlcpy() to ensure the buffer is NULL terminated. Mitch fixes the issue of trying to start nway on devices that do not support auto-negotiation, by checking the autoneg state before attempting to restart nway. Alice updates virtchnl to keep the checks all together for ease of readability and consistency. Also fixed a "off by one" error in the number of traffic classes being calculated. Richard fixed VF port VLANs, where the priority bits were incorrectly set because the incorrect shift and mask bits were being used. Alan adds a bit to set and check if a timeout recovery is already pending to prevent overlapping transmit timeout recovery. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-15lib: introduce initial implementation of object aggregation managerJiri Pirko2-0/+274
This lib tracks objects which could be of two types: 1) root object 2) nested object - with a "delta" which differentiates it from the associated root object The objects are tracked by a hashtable and reference-counted. User is responsible of implementing callbacks to create/destroy root entity related to each root object and callback to create/destroy nested object delta. 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>
2018-11-15net: get rid of __tcp_checksum_complete()Cong Wang1-6/+1
__tcp_checksum_complete() is 100% same with __skb_checksum_complete() and there is no other caller except tcp_checksum_complete(). So, just use __skb_checksum_complete() there. Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-15net: sched: cls_flower: Classify packets using port rangesAmritha Nambiar1-0/+7
Added support in tc flower for filtering based on port ranges. Example: 1. Match on a port range: ------------------------- $ tc filter add dev enp4s0 protocol ip parent ffff:\ prio 1 flower ip_proto tcp dst_port range 20-30 skip_hw\ action drop $ tc -s filter show dev enp4s0 parent ffff: filter protocol ip pref 1 flower chain 0 filter protocol ip pref 1 flower chain 0 handle 0x1 eth_type ipv4 ip_proto tcp dst_port range 20-30 skip_hw not_in_hw action order 1: gact action drop random type none pass val 0 index 1 ref 1 bind 1 installed 85 sec used 3 sec Action statistics: Sent 460 bytes 10 pkt (dropped 10, overlimits 0 requeues 0) backlog 0b 0p requeues 0 2. Match on IP address and port range: -------------------------------------- $ tc filter add dev enp4s0 protocol ip parent ffff:\ prio 1 flower dst_ip 192.168.1.1 ip_proto tcp dst_port range 100-200\ skip_hw action drop $ tc -s filter show dev enp4s0 parent ffff: filter protocol ip pref 1 flower chain 0 handle 0x2 eth_type ipv4 ip_proto tcp dst_ip 192.168.1.1 dst_port range 100-200 skip_hw not_in_hw action order 1: gact action drop random type none pass val 0 index 2 ref 1 bind 1 installed 58 sec used 2 sec Action statistics: Sent 920 bytes 20 pkt (dropped 20, overlimits 0 requeues 0) backlog 0b 0p requeues 0 v4: 1. Added condition before setting port key. 2. Organized setting and dumping port range keys into functions and added validation of input range. v3: 1. Moved new fields in UAPI enum to the end of enum. 2. Removed couple of empty lines. v2: Addressed Jiri's comments: 1. Added separate functions for dst and src comparisons. 2. Removed endpoint enum. 3. Added new bit TCA_FLOWER_FLAGS_RANGE to decide normal/range lookup. 4. Cleaned up fl_lookup function. Signed-off-by: Amritha Nambiar <amritha.nambiar@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-15net: dump more useful information in netdev_rx_csum_fault()Cong Wang1-2/+3
Currently netdev_rx_csum_fault() only shows a device name, we need more information about the skb for debugging csum failures. Sample output: ens3: hw csum failure dev features: 0x0000000000014b89 skb len=84 data_len=0 pkt_type=0 gso_size=0 gso_type=0 nr_frags=0 ip_summed=0 csum=0 csum_complete_sw=0 csum_valid=0 csum_level=0 Note, I use pr_err() just to be consistent with the existing one. Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-14virtchnl: Fix off by one errorAlice Michael1-2/+2
When calculating the valid length for a VIRTCHNL_OP_ENABLE_CHANNELS message, we accidentally allowed messages with one extra virtchnl_channel_info structure on the end. This happened due to an off by one error, because we forgot that valid_len already accounted for one virtchnl_channel_info structure, so we need to subtract one from the num_tc value. Signed-off-by: Alice Michael <alice.michael@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-11-14virtchnl: white space and reorderAlice Michael1-3/+3
White space change. Move the check on the virtchnl_vsi_queue_config_info struct to be close to the struct like all the other similar checks. This keeps it clearer and easier to read. Signed-off-by: Alice Michael <alice.michael@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-11-14net: sched: red: notify drivers about RED's limit parameterJakub Kicinski1-0/+1
RED qdisc's limit parameter changes the behaviour of the qdisc, for instance if it's set to 0 qdisc will drop all the packets. When replace operation happens and parameter is set to non-0 a new fifo qdisc will be instantiated and replace the old child qdisc which will be destroyed. Drivers need to know the parameter, even if they don't impose the actual limit to be able to reliably reconstruct the Qdisc hierarchy. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: John Hurley <john.hurley@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-14net: sched: mq: offload a graft notificationJakub Kicinski1-1/+10
Drivers offloading Qdiscs should have reasonable certainty the offloaded behaviour matches the SW path. This is impossible if the driver does not know about all Qdiscs or when Qdiscs move and are reused. Send a graft notification from MQ. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: John Hurley <john.hurley@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-14net: sched: red: offload a graft notificationJakub Kicinski1-0/+2
Drivers offloading Qdiscs should have reasonable certainty the offloaded behaviour matches the SW path. This is impossible if the driver does not know about all Qdiscs or when Qdiscs move and are reused. Send a graft notification from RED. The drivers are expected to simply stop offloading the Qdisc, if a non-standard child is ever grafted onto it. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: John Hurley <john.hurley@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-14net: sched: provide notification for graft on rootJakub Kicinski2-0/+11
Drivers are currently not notified when a Qdisc is grafted as root. This requires special casing Qdiscs added with parent = TC_H_ROOT in the driver. Also there is no notification sent to the driver when an existing Qdisc is grafted as root. Add this very simple notifications, drivers should now be able to track their Qdisc tree fully. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: John Hurley <john.hurley@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-12sctp: process sk_reuseport in sctp_get_port_localXin Long1-1/+3
When socks' sk_reuseport is set, the same port and address are allowed to be bound into these socks who have the same uid. Note that the difference from sk_reuse is that it allows multiple socks to listen on the same port and address. Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-12sctp: add sock_reuseport for the sock in __sctp_hash_endpointXin Long2-1/+3
This is a part of sk_reuseport support for sctp. It defines a helper sctp_bind_addrs_check() to check if the bind_addrs in two socks are matched. It will add sock_reuseport if they are completely matched, and return err if they are partly matched, and alloc sock_reuseport if all socks are not matched at all. It will work until sk_reuseport support is added in sctp_get_port_local() in the next patch. v1->v2: - use 'laddr->valid && laddr2->valid' check instead as Marcelo pointed in sctp_bind_addrs_check(). Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller17-38/+68
2018-11-11Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Thomas Gleixner: "A set of x86 fixes: - Cure the LDT remapping to user space on 5 level paging which ended up in the KASLR space - Remove LDT mapping before freeing the LDT pages - Make NFIT MCE handling more robust - Unbreak the VSMP build by removing the dependency on paravirt ops - Support broken PIT emulation on Microsoft hyperV - Don't trace vmware_sched_clock() to avoid tracer recursion - Remove -pipe from KBUILD CFLAGS which breaks clang and is also slower on GCC - Trivial coding style and typo fixes" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/cpu/vmware: Do not trace vmware_sched_clock() x86/vsmp: Remove dependency on pv_irq_ops x86/ldt: Remove unused variable in map_ldt_struct() x86/ldt: Unmap PTEs for the slot before freeing LDT pages x86/mm: Move LDT remap out of KASLR region on 5-level paging acpi/nfit, x86/mce: Validate a MCE's address before using it acpi/nfit, x86/mce: Handle only uncorrectable machine checks x86/build: Remove -pipe from KBUILD_CFLAGS x86/hyper-v: Fix indentation in hv_do_fast_hypercall16() Documentation/x86: Fix typo in zero-page.txt x86/hyper-v: Enable PIT shutdown quirk clockevents/drivers/i8253: Add support for PIT shutdown quirk
2018-11-11Merge branch 'core-urgent-for-linus' of ↵Linus Torvalds1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull core fixes from Thomas Gleixner: "A couple of fixlets for the core: - Kernel doc function documentation fixes - Missing prototypes for weak watchdog functions" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: resource/docs: Complete kernel-doc style function documentation watchdog/core: Add missing prototypes for weak functions resource/docs: Fix new kernel-doc warnings
2018-11-11PCI: add USR vendor id and use it in r8169 and w6692 driverHeiner Kallweit1-0/+2
The PCI vendor id of U.S. Robotics isn't defined in pci_ids.h so far, only ISDN driver w6692 has a private definition. Move the definition to pci_ids.h and use it in the r8169 driver too. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-11net_sched: sch_fq: add dctcp-like markingEric Dumazet1-0/+3
Similar to 80ba92fa1a92 ("codel: add ce_threshold attribute") After EDT adoption, it became easier to implement DCTCP-like CE marking. In many cases, queues are not building in the network fabric but on the hosts themselves. If packets leaving fq missed their Earliest Departure Time by XXX usec, we mark them with ECN CE. This gives a feedback (after one RTT) to the sender to slow down and find better operating mode. Example : tc qd replace dev eth0 root fq ce_threshold 2.5ms Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-11net: phy: Fixup kerneldoc markup.Andrew Lunn1-1/+1
Add missing markup for function parameters Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-11net: phy: Convert u32 phydev->lp_advertising to linkmodeAndrew Lunn2-2/+37
Convert phy drivers to report the link partner advertised modes using a linkmode bitmap. This allows them to report the higher speeds which don't fit in a u32. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-11net: ethernet: Convert phydev advertize and supported from u32 to link modeAndrew Lunn2-12/+20
There are a few MAC/PHYs combinations which now support > 1Gbps. These may need to make use of link modes with bits > 31. Thus their supported PHY features or advertised features cannot be implemented using the current bitmap in a u32. Convert to using a linkmode bitmap, which can support all the currently devices link modes, and is future proof as more modes are added. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-11net: phy: remove states PHY_STARTING and PHY_PENDINGHeiner Kallweit1-20/+2
Both states aren't used. Most likely they result from an idea that never materialized. So remove them. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-11net: sched: register callbacks for indirect tc block bindsJohn Hurley2-0/+37
Currently drivers can register to receive TC block bind/unbind callbacks by implementing the setup_tc ndo in any of their given netdevs. However, drivers may also be interested in binds to higher level devices (e.g. tunnel drivers) to potentially offload filters applied to them. Introduce indirect block devs which allows drivers to register callbacks for block binds on other devices. The callback is triggered when the device is bound to a block, allowing the driver to register for rules applied to that block using already available functions. Freeing an indirect block callback will trigger an unbind event (if necessary) to direct the driver to remove any offloaded rules and unreg any block rule callbacks. It is the responsibility of the implementing driver to clean any registered indirect block callbacks before exiting, if the block it still active at such a time. Allow registering an indirect block dev callback for a device that is already bound to a block. In this case (if it is an ingress block), register and also trigger the callback meaning that any already installed rules can be replayed to the calling driver. Signed-off-by: John Hurley <john.hurley@netronome.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-11net: phy: add macros for PHYID matchingHeiner Kallweit1-0/+4
Add macros for PHYID matching to be used in PHY driver configs. By using these macros some boilerplate code can be avoided. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-11net: phy: simplify phy_mac_interrupt and related functionsHeiner Kallweit1-3/+0
When using phy_mac_interrupt() the irq number is set to PHY_IGNORE_INTERRUPT, therefore phy_interrupt_is_valid() returns false. As a result phy_change() effectively just calls phy_trigger_machine() when called from phy_mac_interrupt() via phy_change_work(). So we can call phy_trigger_machine() from phy_mac_interrupt() directly and remove some now unneeded code. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-11net: phy: don't set state PHY_CHANGELINK in phy_changeHeiner Kallweit1-5/+2
State PHY_CHANGELINK isn't needed here, we can call the state machine directly. We just have to remove the check for phy_polling_mode() to make this work also in interrupt mode. Removing this check doesn't cause any overhead because when not polling the state machine is called only if required by some event. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-11net: phy: remove flag PHY_HAS_INTERRUPT from driver configsHeiner Kallweit1-3/+2
Now that flag PHY_HAS_INTERRUPT has been replaced with a check for callbacks config_intr and ack_interrupt, we can remove setting this flag from all driver configs. Last but not least remove flag PHY_HAS_INTERRUPT completely. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-10Merge tag 'drm-fixes-2018-11-11' of git://anongit.freedesktop.org/drm/drmLinus Torvalds1-9/+9
Pull drm fixes from Dave Airlie: "drm: i915, amdgpu, sun4i, exynos and etnaviv fixes: - amdgpu has some display fixes, KFD ioctl fixes and a Vega20 bios interaction fix. - sun4i has some NULL checks added - i915 has a 32-bit system fix, LPE audio oops, and HDMI2.0 clock fixes. - Exynos has a 3 regression fixes (one frame counter, fbdev missing, dsi->panel check) - Etnaviv has a single fencing fix for GPU recovery" * tag 'drm-fixes-2018-11-11' of git://anongit.freedesktop.org/drm/drm: (39 commits) drm/amd/amdgpu/dm: Fix dm_dp_create_fake_mst_encoder() drm/amd/display: Drop reusing drm connector for MST drm/amd/display: Cleanup MST non-atomic code workaround drm/amd/powerplay: always use fast UCLK switching when UCLK DPM enabled drm/amd/powerplay: set a default fclk/gfxclk ratio drm/amdgpu/display/dce11: only enable FBC when selected drm/amdgpu/display/dm: handle FBC dc feature parameter drm/amdgpu/display/dc: add FBC to dc_config drm/amdgpu: add DC feature mask module parameter drm/amdgpu/display: check if fbc is available in set_static_screen_control (v2) drm/amdgpu/vega20: add CLK base offset drm/amd/display: Stop leaking planes drm/amd/display: Fix misleading buffer information Revert "drm/amd/display: set backlight level limit to 1" drm/amd: Update atom_smu_info_v3_3 structure drm/i915: Fix ilk+ watermarks when disabling pipes drm/sun4i: tcon: prevent tcon->panel dereference if NULL drm/sun4i: tcon: fix check of tcon->panel null pointer drm/i915: Don't oops during modeset shutdown after lpe audio deinit drm/i915: Mark pin flags as u64 ...
2018-11-10Merge tag 'for-linus-4.20a-rc2-tag' of ↵Linus Torvalds1-5/+7
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fixes from Juergen Gross: "Several fixes, mostly for rather recent regressions when running under Xen" * tag 'for-linus-4.20a-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen: remove size limit of privcmd-buf mapping interface xen: fix xen_qlock_wait() x86/xen: fix pv boot xen-blkfront: fix kernel panic with negotiate_mq error path xen/grant-table: Fix incorrect gnttab_dma_free_pages() pr_debug message CONFIG_XEN_PV breaks xen_create_contiguous_region on ARM
2018-11-09net: phy: leds: Don't make our own link speed namesKyle Roeschley1-1/+1
The phy core provides a handy phy_speed_to_str() helper, so use that instead of doing our own formatting of the different known link speeds. To do this, increase PHY_LED_TRIGGER_SPEED_SUFFIX_SIZE to 11 so we can fit 'Unsupported' if necessary. Signed-off-by: Kyle Roeschley <kyle.roeschley@ni.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-09net: phy: improve struct phy_device member interrupts handlingHeiner Kallweit1-5/+5
As a heritage from the very early days of phylib member interrupts is defined as u32 even though it's just a flag whether interrupts are enabled. So we can change it to a bitfield member. In addition change the code dealing with this member in a way that it's clear we're dealing with a bool value. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-09ptp: deprecate gettime64() in favor of gettimex64()Miroslav Lichvar1-0/+2
When a driver provides gettimex64(), use it in the PTP_SYS_OFFSET ioctl and POSIX clock's gettime() instead of gettime64(). Drivers should provide only one of the functions. Cc: Richard Cochran <richardcochran@gmail.com> Cc: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-09ptp: add PTP_SYS_OFFSET_EXTENDED ioctlMiroslav Lichvar2-0/+43
The PTP_SYS_OFFSET ioctl, which can be used to measure the offset between a PHC and the system clock, includes the total time that the driver needs to read the PHC timestamp. This typically involves reading of multiple PCI registers (sometimes in multiple iterations) and the register that contains the lowest bits of the timestamp is not read in the middle between the two readings of the system clock. This asymmetry causes the measured offset to have a significant error. Introduce a new ioctl, driver function, and helper functions, which allow the reading of the lowest register to be isolated from the other readings in order to reduce the asymmetry. The ioctl returns three timestamps for each measurement: - system time right before reading the lowest bits of the PHC timestamp - PHC time - system time immediately after reading the lowest bits of the PHC timestamp Cc: Richard Cochran <richardcochran@gmail.com> Cc: Jacob Keller <jacob.e.keller@intel.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-09Merge tag 'ceph-for-4.20-rc2' of https://github.com/ceph/ceph-clientLinus Torvalds1-7/+1
Pull Ceph fixes from Ilya Dryomov: "Two CephFS fixes (copy_file_range and quota) and a small feature bit cleanup" * tag 'ceph-for-4.20-rc2' of https://github.com/ceph/ceph-client: libceph: assume argonaut on the server side ceph: quota: fix null pointer dereference in quota check ceph: add destination file data sync before doing any remote copy
2018-11-09Merge tag 's390-4.20-2' of ↵Linus Torvalds8-6/+30
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Martin Schwidefsky: - A fix for the pgtable_bytes misaccounting on s390. The patch changes common code part in regard to page table folding and adds extra checks to mm_[inc|dec]_nr_[pmds|puds]. - Add FORCE for all build targets using if_changed - Use non-loadable phdr for the .vmlinux.info section to avoid a segment overlap that confuses kexec - Cleanup the attribute definition for the diagnostic sampling - Increase stack size for CONFIG_KASAN=y builds - Export __node_distance to fix a build error - Correct return code of a PMU event init function - An update for the default configs * tag 's390-4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/perf: Change CPUM_CF return code in event init function s390: update defconfigs s390/mm: Fix ERROR: "__node_distance" undefined! s390/kasan: increase instrumented stack size to 64k s390/cpum_sf: Rework attribute definition for diagnostic sampling s390/mm: fix mis-accounting of pgtable_bytes mm: add mm_pxd_folded checks to pgtable_bytes accounting functions mm: introduce mm_[p4d|pud|pmd]_folded mm: make the __PAGETABLE_PxD_FOLDED defines non-empty s390: avoid vmlinux segments overlap s390/vdso: add missing FORCE to build targets s390/decompressor: add missing FORCE to build targets
2018-11-08net: sched: red: inform offloads about harddrop settingJakub Kicinski1-0/+1
To mirror software behaviour on offload more precisely inform the drivers about the state of the harddrop flag. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: John Hurley <john.hurley@netronome.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-08net: 8021q: vlan_core: allow use list of vlans for real deviceIvan Khoronzhuk1-0/+11
It's redundancy for the drivers to hold the list of vlans when absolutely the same list exists in vlan core. In most cases it's needed only to traverse the vlan devices, their vids and sync some settings with h/w, so add API to simplify this. At least some of these drivers also can benefit: grep "for_each.*vid" -r drivers/net/ethernet/ drivers/net/ethernet/hisilicon/hns3/hns3_enet.c: drivers/net/ethernet/synopsys/dwc-xlgmac-hw.c: drivers/net/ethernet/qlogic/qlge/qlge_main.c: drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c: drivers/net/ethernet/via/via-rhine.c: drivers/net/ethernet/via/via-velocity.c: drivers/net/ethernet/intel/igb/igb_main.c: drivers/net/ethernet/intel/ice/ice_main.c: drivers/net/ethernet/intel/e1000/e1000_main.c: drivers/net/ethernet/intel/i40e/i40e_main.c: drivers/net/ethernet/intel/e1000e/netdev.c: drivers/net/ethernet/intel/igbvf/netdev.c: drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c: drivers/net/ethernet/intel/ixgb/ixgb_main.c: drivers/net/ethernet/intel/ixgbe/ixgbe_main.c: drivers/net/ethernet/amd/xgbe/xgbe-dev.c: drivers/net/ethernet/emulex/benet/be_main.c: drivers/net/ethernet/neterion/vxge/vxge-main.c: drivers/net/ethernet/adaptec/starfire.c: drivers/net/ethernet/brocade/bna/bnad.c: Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-08net: core: dev_addr_lists: add auxiliary func to handle reference address ↵Ivan Khoronzhuk1-0/+10
updates In order to avoid all table update, and only remove or add new address, the auxiliary function exists, named __hw_addr_sync_dev(). It allows end driver do nothing when nothing changed and add/rm when concrete address is firstly added or lastly removed. But it doesn't include cases when an address of real device or vlan was reused by other vlans or vlan/macval devices. For handaling events when address was reused/unreused the patch adds new auxiliary routine - __hw_addr_ref_sync_dev(). It allows to do nothing when nothing was changed and do updates only for an address being added/reused/deleted/unreused. Thus, clone address changes for vlans can be mirrored in the table. The function is exclusive with __hw_addr_sync_dev(). It's responsibility of the end driver to identify address vlan device, if it needs so. Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-08udp: Support for error handlers of tunnels with arbitrary destination portStefano Brivio2-0/+3
ICMP error handling is currently not possible for UDP tunnels not employing a receiving socket with local destination port matching the remote one, because we have no way to look them up. Add an err_handler tunnel encapsulation operation that can be exported by tunnels in order to pass the error to the protocol implementing the encapsulation. We can't easily use a lookup function as we did for VXLAN and GENEVE, as protocol error handlers, which would be in turn called by implementations of this new operation, handle the errors themselves, together with the tunnel lookup. Without a socket, we can't be sure which encapsulation error handler is the appropriate one: encapsulation handlers (the ones for FoU and GUE introduced in the next patch, e.g.) will need to check the new error codes returned by protocol handlers to figure out if errors match the given encapsulation, and, in turn, report this error back, so that we can try all of them in __udp{4,6}_lib_err_encap_no_sk() until we have a match. v2: - Name all arguments in err_handler prototypes (David Miller) Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Reviewed-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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