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2018-01-24net: qcom/emac: extend DMA mask to 46bitsWang Dongsheng2-3/+7
Bit TPD3[31] is used as a timestamp bit if PTP is enabled, but it's used as an address bit if PTP is disabled. Since PTP isn't supported by the driver, we can extend the DMA address to 46 bits. Signed-off-by: Wang Dongsheng <dongsheng.wang@hxt-semitech.com> Acked-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24ip_tunnel: Use mark in skb by defaultThomas Winter1-3/+10
This allows marks set by connmark in iptables to be used for route lookups. Signed-off-by: Thomas Winter <thomas.winter@alliedtelesis.co.nz> Cc: "David S. Miller" <davem@davemloft.net> Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24net: stmmac: do not use a bitwise AND operator with a bool operandNiklas Cassel2-3/+3
Doing a bitwise AND between a bool and an int is generally not a good idea. The bool will be promoted to an int with value 0 or 1, the int is generally regarded as true with a non-zero value, thus ANDing them has the potential to yield an undesired result. This commit fixes the following smatch warnings: drivers/net/ethernet/stmicro/stmmac/enh_desc.c:344 enh_desc_prepare_tx_desc() warn: maybe use && instead of & drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c:337 dwmac4_rd_prepare_tx_desc() warn: maybe use && instead of & drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c:380 dwmac4_rd_prepare_tso_tx_desc() warn: maybe use && instead of & Signed-off-by: Niklas Cassel <niklas.cassel@axis.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24net: sched: remove tc_cls_common_offload_init_deprecated()Jakub Kicinski1-11/+0
All users are now converted to tc_cls_common_offload_init(). Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24cls_u32: propagate extack to delete callbackJakub Kicinski1-15/+19
Propagate extack on removal of offloaded filter. Don't pass extack from error paths. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24cls_u32: pass offload flags to tc_cls_common_offload_init()Jakub Kicinski1-4/+6
Pass offload flags to the new implementation of tc_cls_common_offload_init(). Extack will now only be set if user requested skip_sw. hnodes need to hold onto the flags now to be able to reuse them on filter removal. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24cls_flower: propagate extack to delete callbackJakub Kicinski1-8/+10
Propagate extack on removal of offloaded filter. Don't pass extack from error paths. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24cls_flower: pass offload flags to tc_cls_common_offload_init()Jakub Kicinski1-3/+3
Pass offload flags to the new implementation of tc_cls_common_offload_init(). Extack will now only be set if user requested skip_sw. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24cls_matchall: propagate extack to delete callbackJakub Kicinski1-4/+5
Propagate extack on removal of offloaded filter. Don't pass extack from error paths. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24cls_matchall: pass offload flags to tc_cls_common_offload_init()Jakub Kicinski1-2/+2
Pass offload flags to the new implementation of tc_cls_common_offload_init(). Extack will now only be set if user requested skip_sw. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24cls_bpf: propagate extack to offload delete callbackJakub Kicinski1-6/+8
Propagate extack on removal of offloaded filter. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24cls_bpf: pass offload flags to tc_cls_common_offload_init()Jakub Kicinski1-2/+3
Pass offload flags to the new implementation of tc_cls_common_offload_init(). Extack will now only be set if user requested skip_sw. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24cls_bpf: remove gen_flags from bpf_offloadJakub Kicinski2-3/+0
cls_bpf now guarantees that only device-bound programs are allowed with skip_sw. The drivers no longer pay attention to flags on filter load, therefore the bpf_offload member can be removed. If flags are needed again they should probably be added to struct tc_cls_common_offload instead. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24net: sched: prepare for reimplementation of tc_cls_common_offload_init()Jakub Kicinski5-14/+26
Rename the tc_cls_common_offload_init() helper function to tc_cls_common_offload_init_deprecated() and add a new implementation which also takes flags argument. We will only set extack if flags indicate that offload is forced (skip_sw) otherwise driver errors should be ignored, as they don't influence the overall filter installation. Note that we need the tc_skip_hw() helper for new version, therefore it is added later in the file. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24net: sched: propagate extack to cls->destroy callbacksJakub Kicinski13-19/+24
Propagate extack to cls->destroy callbacks when called from non-error paths. On error paths pass NULL to avoid overwriting the failure message. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24igb: Clear TXSTMP when ptp_tx_work() is timeoutDaniel Hua1-0/+9
Problem description: After ethernet cable connect and disconnect for several iterations on a device with i210, tx timestamp will stop being put into the socket. Steps to reproduce: 1. Setup a device with i210 and wire it to a 802.1AS capable switch ( Extreme Networks Summit x440 is used in our case) 2. Have the gptp daemon running on the device and make sure it is synced with the switch 3. Have the switch disable and enable the port, wait for the device gets resynced with the switch 4. Iterates step 3 until the device is not albe to get resynced 5. Review the log in dmesg and you will see warning message "igb : clearing Tx timestamp hang" Root cause: If ptp_tx_work() gets scheduled just before the port gets disabled, a LINK DOWN event will be processed before ptp_tx_work(), which may cause timeout in ptp_tx_work(). In the timeout logic, the TSYNCTXCTL's TXTT bit (Transmit timestamp valid bit) is not cleared, causing no new timestamp loaded to TXSTMP register. Consequently therefore, no new interrupt is triggerred by TSICR.TXTS bit and no more Tx timestamp send to the socket. Signed-off-by: Daniel Hua <daniel.hua@ni.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-01-24igb: Delete an error message for a failed memory allocation in igb_enable_sriov()Markus Elfring1-2/+0
Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-01-24igb: Free IRQs when device is hotpluggedLyude Paul1-1/+1
Recently I got a Caldigit TS3 Thunderbolt 3 dock, and noticed that upon hotplugging my kernel would immediately crash due to igb: [ 680.825801] kernel BUG at drivers/pci/msi.c:352! [ 680.828388] invalid opcode: 0000 [#1] SMP [ 680.829194] Modules linked in: igb(O) thunderbolt i2c_algo_bit joydev vfat fat btusb btrtl btbcm btintel bluetooth ecdh_generic hp_wmi sparse_keymap rfkill wmi_bmof iTCO_wdt intel_rapl x86_pkg_temp_thermal coretemp crc32_pclmul snd_pcm rtsx_pci_ms mei_me snd_timer memstick snd pcspkr mei soundcore i2c_i801 tpm_tis psmouse shpchp wmi tpm_tis_core tpm video hp_wireless acpi_pad rtsx_pci_sdmmc mmc_core crc32c_intel serio_raw rtsx_pci mfd_core xhci_pci xhci_hcd i2c_hid i2c_core [last unloaded: igb] [ 680.831085] CPU: 1 PID: 78 Comm: kworker/u16:1 Tainted: G O 4.15.0-rc3Lyude-Test+ #6 [ 680.831596] Hardware name: HP HP ZBook Studio G4/826B, BIOS P71 Ver. 01.03 06/09/2017 [ 680.832168] Workqueue: kacpi_hotplug acpi_hotplug_work_fn [ 680.832687] RIP: 0010:free_msi_irqs+0x180/0x1b0 [ 680.833271] RSP: 0018:ffffc9000030fbf0 EFLAGS: 00010286 [ 680.833761] RAX: ffff8803405f9c00 RBX: ffff88033e3d2e40 RCX: 000000000000002c [ 680.834278] RDX: 0000000000000000 RSI: 00000000000000ac RDI: ffff880340be2178 [ 680.834832] RBP: 0000000000000000 R08: ffff880340be1ff0 R09: ffff8803405f9c00 [ 680.835342] R10: 0000000000000000 R11: 0000000000000040 R12: ffff88033d63a298 [ 680.835822] R13: ffff88033d63a000 R14: 0000000000000060 R15: ffff880341959000 [ 680.836332] FS: 0000000000000000(0000) GS:ffff88034f440000(0000) knlGS:0000000000000000 [ 680.836817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 680.837360] CR2: 000055e64044afdf CR3: 0000000001c09002 CR4: 00000000003606e0 [ 680.837954] Call Trace: [ 680.838853] pci_disable_msix+0xce/0xf0 [ 680.839616] igb_reset_interrupt_capability+0x5d/0x60 [igb] [ 680.840278] igb_remove+0x9d/0x110 [igb] [ 680.840764] pci_device_remove+0x36/0xb0 [ 680.841279] device_release_driver_internal+0x157/0x220 [ 680.841739] pci_stop_bus_device+0x7d/0xa0 [ 680.842255] pci_stop_bus_device+0x2b/0xa0 [ 680.842722] pci_stop_bus_device+0x3d/0xa0 [ 680.843189] pci_stop_and_remove_bus_device+0xe/0x20 [ 680.843627] trim_stale_devices+0xf3/0x140 [ 680.844086] trim_stale_devices+0x94/0x140 [ 680.844532] trim_stale_devices+0xa6/0x140 [ 680.845031] ? get_slot_status+0x90/0xc0 [ 680.845536] acpiphp_check_bridge.part.5+0xfe/0x140 [ 680.846021] acpiphp_hotplug_notify+0x175/0x200 [ 680.846581] ? free_bridge+0x100/0x100 [ 680.847113] acpi_device_hotplug+0x8a/0x490 [ 680.847535] acpi_hotplug_work_fn+0x1a/0x30 [ 680.848076] process_one_work+0x182/0x3a0 [ 680.848543] worker_thread+0x2e/0x380 [ 680.848963] ? process_one_work+0x3a0/0x3a0 [ 680.849373] kthread+0x111/0x130 [ 680.849776] ? kthread_create_worker_on_cpu+0x50/0x50 [ 680.850188] ret_from_fork+0x1f/0x30 [ 680.850601] Code: 43 14 85 c0 0f 84 d5 fe ff ff 31 ed eb 0f 83 c5 01 39 6b 14 0f 86 c5 fe ff ff 8b 7b 10 01 ef e8 b7 e4 d2 ff 48 83 78 70 00 74 e3 <0f> 0b 49 8d b5 a0 00 00 00 e8 62 6f d3 ff e9 c7 fe ff ff 48 8b [ 680.851497] RIP: free_msi_irqs+0x180/0x1b0 RSP: ffffc9000030fbf0 As it turns out, normally the freeing of IRQs that would fix this is called inside of the scope of __igb_close(). However, since the device is already gone by the point we try to unregister the netdevice from the driver due to a hotplug we end up seeing that the netif isn't present and thus, forget to free any of the device IRQs. So: make sure that if we're in the process of dismantling the netdev, we always allow __igb_close() to be called so that IRQs may be freed normally. Additionally, only allow igb_close() to be called from __igb_close() if it hasn't already been called for the given adapter. Signed-off-by: Lyude Paul <lyude@redhat.com> Fixes: 9474933caf21 ("igb: close/suspend race in netif_device_detach") Cc: Todd Fujinaka <todd.fujinaka@intel.com> Cc: Stephen Hemminger <stephen@networkplumber.org> Cc: stable@vger.kernel.org Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-01-24e1000e: Alert the user that C-states will be disabled by enabling jumbo framesMatt Turner1-0/+2
I personally spent a long time trying to decypher why my CPU would not reach deeper C-states. Let's just tell the next user what's going on. Signed-off-by: Matt Turner <matt.turner@intel.com> Acked-by: Shannon Nelson <shannon.nelson@oracle.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-01-24igb: Clarify idleslope config constraintsJesus Sanchez-Palencia1-0/+14
By design, the idleslope increments are restricted to 16.384kbps steps. Add a comment to igb_main.c making that explicit and add one example that illustrates the impact of that. Signed-off-by: Jesus Sanchez-Palencia <jesus.sanchez-palencia@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-01-24e1000e: Set HTHRESH when PTHRESH is usedMatt Turner1-1/+1
According to section 12.0.3.4.13 "Receive Descriptor Control - RXDCTL" of the Intel® 82579 Gigabit Ethernet PHY Datasheet v2.1: "HTHRESH should be given a non zero value when ever PTHRESH is used." In RXDCTL(0), PTHRESH lives at bits 5:0, and HTHREST lives at bits 13:8. Set only bit 8 of HTHREST as is done in e1000_flush_rx_ring(). Found by inspection. Signed-off-by: Matt Turner <matt.turner@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-01-24igb: add function to get maximum RSS queuesZhang Shengju3-33/+12
This patch adds a new function igb_get_max_rss_queues() to get maximum RSS queues, this will reduce duplicate code and facilitate future maintenance. Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-01-24igb: Allow to remove administratively set MAC on VFsCorinna Vinschen1-11/+31
Before libvirt modifies the MAC address and vlan tag for an SRIOV VF for use by a virtual machine (either using vfio device assignment or macvtap passthru mode), it saves the current MAC address and vlan tag so that it can reset them to their original value when the guest is done. Libvirt can't leave the VF MAC set to the value used by the now-defunct guest since it may be started again later using a different VF, but it certainly shouldn't just pick any random value, either. So it saves the state of everything prior to using the VF, and resets it to that. The igb driver initializes the MAC addresses of all VFs to 00:00:00:00:00:00, and reports that when asked (via an RTM_GETLINK netlink message, also visible in the list of VFs in the output of "ip link show"). But when libvirt attempts to restore the MAC address back to 00:00:00:00:00:00 (using an RTM_SETLINK netlink message) the kernel responds with "Invalid argument". Forbidding a reset back to the original value leaves the VF MAC at the value set for the now-defunct virtual machine. Especially on a system with NetworkManager enabled, this has very bad consequences, since NetworkManager forces all interfacess to be IFF_UP all the time - if the same virtual machine is restarted using a different VF (or even on a different host), there will be multiple interfaces watching for traffic with the same MAC address. To allow libvirt to revert to the original state, we need a way to remove the administrative set MAC on a VF, to allow normal host operation again, and to reset/overwrite the VF MAC via VF netdev. This patch implements the outlined scenario by allowing to set the VF MAC to 00:00:00:00:00:00 via RTM_SETLINK on the PF. igb_ndo_set_vf_mac resets the IGB_VF_FLAG_PF_SET_MAC flag to 0, so it's possible to reset the VF MAC back to the original value via the VF netdev. Note: Recent patches to libvirt allow for a workaround if the NIC isn't capable of resetting the administrative MAC back to all 0, but in theory the NIC should allow resetting the MAC in the first place. Signed-off-by: Corinna Vinschen <vinschen@redhat.com> Tested-by: Aaron Brown <arron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-01-24pktgen: Clean read user supplied flag messDmitry Safonov1-105/+39
Don't use error-prone-brute-force way. Signed-off-by: Dmitry Safonov <dima@arista.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24pktgen: Remove brute-force printing of flagsDmitry Safonov1-58/+19
Add macro generated pkt_flag_names array, with a little help of which the flags can be printed by using an index. Signed-off-by: Dmitry Safonov <dima@arista.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24pktgen: Add behaviour flags macro to generate flags/namesDmitry Safonov1-23/+34
PKT_FALGS macro will be used to add package behavior names definitions to simplify the code that prints/reads pkg flags. Sorted the array in order of printing the flags in pktgen_if_show() Note: Renamed IPSEC_ON => IPSEC for simplicity. No visible behavior change expected. Signed-off-by: Dmitry Safonov <dima@arista.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24pktgen: Add missing !flag parametersDmitry Safonov1-1/+7
o FLOW_SEQ now can be disabled with pgset "flag !FLOW_SEQ" o FLOW_SEQ and FLOW_RND are antonyms, as it's shown by pktgen_if_show() o IPSEC now may be disabled Note, that IPV6 is enabled with dst6/src6 parameters, not with a flag parameter. Signed-off-by: Dmitry Safonov <dima@arista.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24Documentation/pktgen: Clearify how-to use pktgen samplesDmitry Safonov1-5/+14
o Change process name in ps output: looks like, these days the process is named kpktgend_<cpu>, rather than pktgen/<cpu>. o Use pg_ctrl for start/stop as it can work well with pgset without changes to $(PGDEV) variable. o Clarify a bit needed $(PGDEV) definition for sample scripts and that one needs to `source functions.sh`. o Document how-to unset a behaviour flag, note about history expansion. o Fix pgset spi parameter value. Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Signed-off-by: Dmitry Safonov <dima@arista.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24cxgb4: properly initialize variablesRahul Lakkireddy2-2/+4
memset variables to 0 to fix sparse warnings: drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c:409:42: sparse: Using plain integer as NULL pointer drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.c:43:47: sparse: Using plain integer as NULL pointer Fixes: ad75b7d32f25 ("cxgb4: implement ethtool dump data operations") Fixes: 91c1953de387 ("cxgb4: use zlib deflate to compress firmware dump") Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24cxgb4: enable ZLIB_DEFLATE when building cxgb4Rahul Lakkireddy3-15/+2
Fixes: drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.c:39:5: error: redefinition of 'cudbg_compress_buff' int cudbg_compress_buff(struct cudbg_init *pdbg_init, ^~~~~~~~~~~~~~~~~~~ In file included from drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.c:23:0: drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h:45:19: note: previous definition of 'cudbg_compress_buff' was here static inline int cudbg_compress_buff(struct cudbg_init *pdbg_init, ^~~~~~~~~~~~~~~~~~~ Fixes: 91c1953de387 ("cxgb4: use zlib deflate to compress firmware dump") Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24net/smc: continue waiting if peer signals write_shutdownUrsula Braun1-2/+2
If the peer sends a shutdown WRITE, this should not affect sending in general, and waiting for send buffer space in particular. Stop waiting of the local socket for send buffer space only, if peer signals closing, but not if peer signals just shutdown WRITE. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24net/smc: improve state change handling after close waitUrsula Braun1-14/+26
When a socket is closed or shutdown, smc waits for data being transmitted in certain states. If the state changes during this wait, the close switch depending on state should be reentered. In addition, state change is avoided if sending of close or shutdown fails. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24net/smc: make wait for work request uninterruptibleUrsula Braun1-7/+6
Work requests are needed for every ib_post_send(), among them the ib_post_send() to signal closing. If an smc socket program is cancelled, the smc connections should be cleaned up, and require sending of closing signals to the peer. This may fail, if a wait for a free work request is needed, but is cancelled immediately due to the cancel interrupt. To guarantee notification of the peer, the wait for a work request is changed to uninterruptible. And the area to receive work request completion info with ib_poll_cq() is cleared first. And _tx_ variable names are used in the _tx_routines for the demultiplexing common type in the header. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24net/smc: get rid of tx_pend waits in socket closingUrsula Braun5-57/+0
There is no need to wait for confirmation of pending tx requests for a closing connection, since pending tx slots are dismissed when finishing a connection. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24net/smc: simplify function smc_clcsock_accept()Ursula Braun1-9/+2
Cleanup to avoid duplicate code in smc_clcsock_accept(). No functional change. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24net/smc: use local struct sock variables consistentlyUrsula Braun2-34/+37
Cleanup to consistently exploit the local struct sock definitions. No functional change. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24cxgb4/cxgb4vf: add support for ndo_set_vf_vlanGanesh Goudar9-8/+116
implement ndo_set_vf_vlan for mgmt netdevice to configure the PCIe VF. Original work by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-23selftests/bpf: validate replace of TC filters is workingJakub Kicinski1-5/+50
Daniel discovered recently I broke TC filter replace (and fixed it in commit ad9294dbc227 ("bpf: fix cls_bpf on filter replace")). Add a test to make sure it never happens again. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-23selftests/bpf: check bpf verifier log buffer usage works for HW offloadQuentin Monnet2-5/+25
Make netdevsim print a message to the BPF verifier log buffer when a program is offloaded. Then use this message in hardware offload selftests to make sure that using this buffer actually prints the message to the console for eBPF hardware offload. The message is appended after the last instruction is processed with the verifying function from netdevsim. Output looks like the following: $ tc filter add dev foo ingress bpf obj sample_ret0.o \ sec .text verbose skip_sw Prog section '.text' loaded (5)! - Type: 3 - Instructions: 2 (0 over limit) - License: Verifier analysis: 0: (b7) r0 = 0 1: (95) exit [netdevsim] Hello from netdevsim! processed 2 insns, stack depth 0 "verbose" flag is required to see it in the console since netdevsim does not throw an error after printing the message. Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-23netdevsim: don't compile BPF code if syscall not enabledJakub Kicinski2-1/+33
We should not compile netdevsim/bpf.c if BPF syscall is not enabled. Otherwise bpf core would have to provide wrappers for all functions offload drivers may call, even though system will never see a BPF object. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-23selftests/bpf: add checks on extack messages for eBPF hw offload testsQuentin Monnet1-26/+86
Add checks to test that netlink extack messages are correctly displayed in some expected error cases for eBPF offload to netdevsim with TC and XDP. iproute2 may be built without libmnl support, in which case the extack messages will not be reported. Try to detect this condition, and when enountered print a mild warning to the user and skip the extack validation. Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-23netdevsim: add extack support for TC eBPF offloadQuentin Monnet1-7/+28
Use the recently added extack support for TC eBPF filters in netdevsim. Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-23net/sched: act_csum: don't use spinlock in the fast pathDavide Caratti2-15/+59
use RCU instead of spin_{,unlock}_bh() to protect concurrent read/write on act_csum configuration, to reduce the effects of contention in the data path when multiple readers are present. Signed-off-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-23net/sched: act_csum: use per-core statisticsDavide Caratti1-6/+4
use per-CPU counters, like other TC actions do, instead of maintaining one set of stats across all cores. This allows updating act_csum stats without the need of protecting them using spin_{,un}lock_bh() invocations. Signed-off-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-23net: link_watch: mark bonding link events urgentRoopa Prabhu1-1/+1
It takes 1sec for bond link down notification to hit user-space when all slaves of the bond go down. 1sec is too long for protocol daemons in user-space relying on bond notification to recover (eg: multichassis lag implementations in user-space). Since the link event code already marks team device port link events as urgent, this patch moves the code to cover all lag ports and master. Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-23ARM: dts: imx6q-b450v3: Add switch port configurationSebastian Reichel1-0/+52
This adds support for the Marvell switch and names the network ports according to the labels, that can be found next to the connectors. The switch is connected to the host system using a PCI based network card. The PCI bus configuration has been written using the following information: root@b450v3# lspci -tv -[0000:00]---00.0-[01]----00.0 Intel Corporation I210 Gigabit Network Connection root@b450v3# lspci -nn 00:00.0 PCI bridge [0604]: Synopsys, Inc. Device [16c3:abcd] (rev 01) 01:00.0 Ethernet controller [0200]: Intel Corporation I210 Gigabit Network Connection [8086:1533] (rev 03) Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-23ARM: dts: imx6q-b650v3: Add switch port configurationSebastian Reichel1-0/+52
This adds support for the Marvell switch and names the network ports according to the labels, that can be found next to the connectors. The switch is connected to the host system using a PCI based network card. The PCI bus configuration has been written using the following information: root@b650v3# lspci -tv -[0000:00]---00.0-[01]----00.0 Intel Corporation I210 Gigabit Network Connection root@b650v3# lspci -nn 00:00.0 PCI bridge [0604]: Synopsys, Inc. Device [16c3:abcd] (rev 01) 01:00.0 Ethernet controller [0200]: Intel Corporation I210 Gigabit Network Connection [8086:1533] (rev 03) Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-23ARM: dts: imx6q-b850v3: Add switch port configurationSebastian Reichel1-0/+75
This adds support for the Marvell switch and names the network ports according to the labels, that can be found next to the connectors ("ID", "IX", "ePort 1", "ePort 2"). The switch is connected to the host system using a PCI based network card. The PCI bus configuration has been written using the following information: root@b850v3# lspci -tv -[0000:00]---00.0-[01]----00.0-[02-05]--+-01.0-[03]----00.0 Intel Corporation I210 Gigabit Network Connection +-02.0-[04]----00.0 Intel Corporation I210 Gigabit Network Connection \-03.0-[05]-- root@b850v3# lspci -nn 00:00.0 PCI bridge [0604]: Synopsys, Inc. Device [16c3:abcd] (rev 01) 01:00.0 PCI bridge [0604]: PLX Technology, Inc. PEX 8605 PCI Express 4-port Gen2 Switch [10b5:8605] (rev ab) 02:01.0 PCI bridge [0604]: PLX Technology, Inc. PEX 8605 PCI Express 4-port Gen2 Switch [10b5:8605] (rev ab) 02:02.0 PCI bridge [0604]: PLX Technology, Inc. PEX 8605 PCI Express 4-port Gen2 Switch [10b5:8605] (rev ab) 02:03.0 PCI bridge [0604]: PLX Technology, Inc. PEX 8605 PCI Express 4-port Gen2 Switch [10b5:8605] (rev ab) 03:00.0 Ethernet controller [0200]: Intel Corporation I210 Gigabit Network Connection [8086:1533] (rev 03) 04:00.0 Ethernet controller [0200]: Intel Corporation I210 Gigabit Network Connection [8086:1533] (rev 03) Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-23ARM: dts: imx6q-bx50v3: Add internal switchSebastian Reichel1-0/+62
B850v3, B650v3 and B450v3 all have a GPIO bit banged MDIO bus to communicate with a Marvell switch. On all devices the switch is connected to a PCI based network card, which needs to be referenced by DT, so this also adds the common PCI root node. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-23net: dsa: Support internal phy on 'cpu' portSebastian Reichel4-32/+86
This adds support for enabling the internal PHY for a 'cpu' port. It has been tested on GE B850v3, B650v3 and B450v3, which have a built-in MV88E6240 switch hardwired to a PCIe based network card. On these machines the internal PHY of the i210 network card and the Marvell switch are connected to each other and must be enabled for properly using the switch. While the i210 PHY will be enabled when the network interface is enabled, the switch's port is not exposed as network interface. Additionally the mv88e6xxx driver resets the chip during probe, so the PHY is disabled without this patch. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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