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2022-07-29seg6: add support for SRv6 H.L2Encaps.Red behaviorAndrea Mayer1-0/+1
The SRv6 H.L2Encaps.Red behavior described in [1] is an optimization of the SRv6 H.L2Encaps behavior [2]. H.L2Encaps.Red reduces the length of the SRH by excluding the first segment (SID) in the SRH of the pushed IPv6 header. The first SID is only placed in the IPv6 Destination Address field of the pushed IPv6 header. When the SRv6 Policy only contains one SID the SRH is omitted, unless there is an HMAC TLV to be carried. [1] - https://datatracker.ietf.org/doc/html/rfc8986#section-5.4 [2] - https://datatracker.ietf.org/doc/html/rfc8986#section-5.3 Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it> Signed-off-by: Anton Makarov <anton.makarov11235@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-29seg6: add support for SRv6 H.Encaps.Red behaviorAndrea Mayer1-0/+1
The SRv6 H.Encaps.Red behavior described in [1] is an optimization of the SRv6 H.Encaps behavior [2]. H.Encaps.Red reduces the length of the SRH by excluding the first segment (SID) in the SRH of the pushed IPv6 header. The first SID is only placed in the IPv6 Destination Address field of the pushed IPv6 header. When the SRv6 Policy only contains one SID the SRH is omitted, unless there is an HMAC TLV to be carried. [1] - https://datatracker.ietf.org/doc/html/rfc8986#section-5.2 [2] - https://datatracker.ietf.org/doc/html/rfc8986#section-5.1 Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it> Signed-off-by: Anton Makarov <anton.makarov11235@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-29devlink: introduce framework for selftestsVikas Gupta1-0/+29
Add a framework for running selftests. Framework exposes devlink commands and test suite(s) to the user to execute and query the supported tests by the driver. Below are new entries in devlink_nl_ops devlink_nl_cmd_selftests_show_doit/dumpit: To query the supported selftests by the drivers. devlink_nl_cmd_selftests_run: To execute selftests. Users can provide a test mask for executing group tests or standalone tests. Documentation/networking/devlink/ path is already part of MAINTAINERS & the new files come under this path. Hence no update needed to the MAINTAINERS Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com> Reviewed-by: Andy Gospodarek <gospo@broadcom.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-29Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-1/+1
No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-28Merge branch '100GbE' of ↵Paolo Abeni1-0/+3
git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue Tony Nguyen says: ==================== ice: PPPoE offload support Marcin Szycik says: Add support for dissecting PPPoE and PPP-specific fields in flow dissector: PPPoE session id and PPP protocol type. Add support for those fields in tc-flower and support offloading PPPoE. Finally, add support for hardware offload of PPPoE packets in switchdev mode in ice driver. Example filter: tc filter add dev $PF1 ingress protocol ppp_ses prio 1 flower pppoe_sid \ 1234 ppp_proto ip skip_sw action mirred egress redirect dev $VF1_PR Changes in iproute2 are required to use the new fields (will be submitted soon). ICE COMMS DDP package is required to create a filter in ice. * '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue: ice: Add support for PPPoE hardware offload flow_offload: Introduce flow_match_pppoe net/sched: flower: Add PPPoE filter flow_dissector: Add PPPoE dissectors ==================== Link: https://lore.kernel.org/r/20220726203133.2171332-1-anthony.l.nguyen@intel.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-26net: devlink: introduce nested devlink entity for line cardJiri Pirko1-0/+2
For the purpose of exposing device info and allow flash update which is going to be implemented in follow-up patches, introduce a possibility for a line card to expose relation to nested devlink entity. The nested devlink entity represents the line card. Example: $ devlink lc show pci/0000:01:00.0 lc 1 pci/0000:01:00.0: lc 1 state active type 16x100G nested_devlink auxiliary/mlxsw_core.lc.0 supported_types: 16x100G $ devlink dev show auxiliary/mlxsw_core.lc.0 auxiliary/mlxsw_core.lc.0 Signed-off-by: Jiri Pirko <jiri@nvidia.com> Acked-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26net/sched: flower: Add PPPoE filterWojciech Drewek1-0/+3
Add support for PPPoE specific fields for tc-flower. Those fields can be provided only when protocol was set to ETH_P_PPP_SES. Defines, dump, load and set are being done here. Overwrite basic.n_proto only in case of PPP_IP and PPP_IPV6, otherwise leave it as ETH_P_PPP_SES. Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com> Acked-by: Guillaume Nault <gnault@redhat.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-07-26Merge tag 'wireless-next-2022-07-25' of ↵Jakub Kicinski1-3/+49
git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next Kalle Valo says: ==================== wireless-next patches for v5.20 Third set of patches for v5.20. MLO work continues and we have a lot of stack changes due to that, including driver API changes. Not much driver patches except on mt76. Major changes: cfg80211/mac80211 - more prepartion for Wi-Fi 7 Multi-Link Operation (MLO) support, works with one link now - align with IEEE Draft P802.11be_D2.0 - hardware timestamps for receive and transmit mt76 - preparation for new chipset support - ACPI SAR support * tag 'wireless-next-2022-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (254 commits) wifi: mac80211: fix link data leak wifi: mac80211: mlme: fix disassoc with MLO wifi: mac80211: add macros to loop over active links wifi: mac80211: remove erroneous sband/link validation wifi: mac80211: mlme: transmit assoc frame with address translation wifi: mac80211: verify link addresses are different wifi: mac80211: rx: track link in RX data wifi: mac80211: optionally implement MLO multicast TX wifi: mac80211: expand ieee80211_mgmt_tx() for MLO wifi: nl80211: add MLO link ID to the NL80211_CMD_FRAME TX API wifi: mac80211: report link ID to cfg80211 on mgmt RX wifi: cfg80211: report link ID in NL80211_CMD_FRAME wifi: mac80211: add hardware timestamps for RX and TX wifi: cfg80211: add hardware timestamps to frame RX info wifi: cfg80211/nl80211: move rx management data into a struct wifi: cfg80211: add a function for reporting TX status with hardware timestamps wifi: nl80211: add RX and TX timestamp attributes wifi: ieee80211: add helper functions for detecting TM/FTM frames wifi: mac80211_hwsim: handle links for wmediumd/virtio wifi: mac80211: sta_info: fix link_sta insertion ... ==================== Link: https://lore.kernel.org/r/20220725174547.EA465C341C6@smtp.kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-25Merge branch 'master' of ↵David S. Miller1-6/+6
git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next Steffen Klassert says: ==================== pull request (net-next): ipsec-next 2022-07-20 1) Don't set DST_NOPOLICY in IPv4, a recent patch made this superfluous. From Eyal Birger. 2) Convert alg_key to flexible array member to avoid an iproute2 compile warning when built with gcc-12. From Stephen Hemminger. 3) xfrm_register_km and xfrm_unregister_km do always return 0 so change the type to void. From Zhengchao Shao. 4) Fix spelling mistake in esp6.c From Zhang Jiaming. 5) Improve the wording of comment above XFRM_OFFLOAD flags. From Petr Vaněk. Please pull or let me know if there are problems. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-23Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds1-1/+1
Pull kvm fixes from Paolo Bonzini: - Check for invalid flags to KVM_CAP_X86_USER_SPACE_MSR - Fix use of sched_setaffinity in selftests - Sync kernel headers to tools - Fix KVM_STATS_UNIT_MAX * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: Protect the unused bits in MSR exiting flags tools headers UAPI: Sync linux/kvm.h with the kernel sources KVM: selftests: Fix target thread to be migrated in rseq_test KVM: stats: Fix value for KVM_STATS_UNIT_MAX for boolean stats
2022-07-23Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-nextJakub Kicinski1-1/+2
Daniel Borkmann says: ==================== bpf-next 2022-07-22 We've added 73 non-merge commits during the last 12 day(s) which contain a total of 88 files changed, 3458 insertions(+), 860 deletions(-). The main changes are: 1) Implement BPF trampoline for arm64 JIT, from Xu Kuohai. 2) Add ksyscall/kretsyscall section support to libbpf to simplify tracing kernel syscalls through kprobe mechanism, from Andrii Nakryiko. 3) Allow for livepatch (KLP) and BPF trampolines to attach to the same kernel function, from Song Liu & Jiri Olsa. 4) Add new kfunc infrastructure for netfilter's CT e.g. to insert and change entries, from Kumar Kartikeya Dwivedi & Lorenzo Bianconi. 5) Add a ksym BPF iterator to allow for more flexible and efficient interactions with kernel symbols, from Alan Maguire. 6) Bug fixes in libbpf e.g. for uprobe binary path resolution, from Dan Carpenter. 7) Fix BPF subprog function names in stack traces, from Alexei Starovoitov. 8) libbpf support for writing custom perf event readers, from Jon Doron. 9) Switch to use SPDX tag for BPF helper man page, from Alejandro Colomar. 10) Fix xsk send-only sockets when in busy poll mode, from Maciej Fijalkowski. 11) Reparent BPF maps and their charging on memcg offlining, from Roman Gushchin. 12) Multiple follow-up fixes around BPF lsm cgroup infra, from Stanislav Fomichev. 13) Use bootstrap version of bpftool where possible to speed up builds, from Pu Lehui. 14) Cleanup BPF verifier's check_func_arg() handling, from Joanne Koong. 15) Make non-prealloced BPF map allocations low priority to play better with memcg limits, from Yafang Shao. 16) Fix BPF test runner to reject zero-length data for skbs, from Zhengchao Shao. 17) Various smaller cleanups and improvements all over the place. * https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (73 commits) bpf: Simplify bpf_prog_pack_[size|mask] bpf: Support bpf_trampoline on functions with IPMODIFY (e.g. livepatch) bpf, x64: Allow to use caller address from stack ftrace: Allow IPMODIFY and DIRECT ops on the same function ftrace: Add modify_ftrace_direct_multi_nolock bpf/selftests: Fix couldn't retrieve pinned program in xdp veth test bpf: Fix build error in case of !CONFIG_DEBUG_INFO_BTF selftests/bpf: Fix test_verifier failed test in unprivileged mode selftests/bpf: Add negative tests for new nf_conntrack kfuncs selftests/bpf: Add tests for new nf_conntrack kfuncs selftests/bpf: Add verifier tests for trusted kfunc args net: netfilter: Add kfuncs to set and change CT status net: netfilter: Add kfuncs to set and change CT timeout net: netfilter: Add kfuncs to allocate and insert CT net: netfilter: Deduplicate code in bpf_{xdp,skb}_ct_lookup bpf: Add documentation for kfuncs bpf: Add support for forcing kfunc args to be trusted bpf: Switch to new kfunc flags infrastructure tools/resolve_btfids: Add support for 8-byte BTF sets bpf: Introduce 8-byte BTF set ... ==================== Link: https://lore.kernel.org/r/20220722221218.29943-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-22wifi: nl80211: add MLO link ID to the NL80211_CMD_FRAME TX APIJohannes Berg1-0/+4
Allow optionally specifying the link ID to transmit on, which can be done instead of the link frequency, on an MLD addressed frame. Both can also be omitted in which case the frame must be MLD addressed and link selection (and address translation) will be done on lower layers. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-22wifi: nl80211: add RX and TX timestamp attributesAvraham Stern1-1/+21
Add attributes for reporting hardware timestamps for management frames RX and TX. These attributes will be used for reporting hardware timestamps for Timing measurement and Fine Timing Measurement action frames, which will allow userspace applications to measure the path delay between devices and sync clocks. For TX, these attributes are used for reporting the frame RX time and the ack TX time. For TX, they are used for reporting the frame TX time and the ack RX time. Signed-off-by: Avraham Stern <avraham.stern@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-22wifi: nl80211/mac80211: clarify link ID in control port TXJohannes Berg1-0/+6
Clarify the link ID behaviour in control port TX, we need it to select the link to transmit on for both MLD and non-MLD receivers, but select the link address as the SA only if the receiver is not an MLD. Fixes: 67207bab9341 ("wifi: cfg80211/mac80211: Support control port TX from specific link") Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski2-4/+8
No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-20can: error: add definitions for the different CAN error thresholdsVincent Mailhol1-0/+13
Currently, drivers are using magic numbers to derive the CAN error states from the error counter. Add three macro declarations to remediate this. For reference, the error-active, error-passive and bus-off are defined in ISO 11898, section 12.1.4.2 "Error counting". Although ISO 11898 does not define error-warning state, this extra value is also commonly used and is thus also added. Link: https://lore.kernel.org/all/20220719143550.3681-13-mailhol.vincent@wanadoo.fr Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2022-07-20can: add CAN_ERR_CNT flag to notify availability of error counterVincent Mailhol1-0/+2
Add a dedicated flag in uapi/linux/can/error.h to notify the userland that fields data[6] and data[7] of the CAN error frame were respectively populated with the tx and rx error counters. For all driver tree-wide, set up this flags whenever needed. Link: https://lore.kernel.org/all/20220719143550.3681-12-mailhol.vincent@wanadoo.fr Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2022-07-20can: error: specify the values of data[5..7] of CAN error framesVincent Mailhol1-1/+4
Currently, data[5..7] of struct can_frame, when used as a CAN error frame, are defined as being "controller specific". Device specific behaviours are problematic because it prevents someone from writing code which is portable between devices. As a matter of fact, data[5] is never used, data[6] is always used to report TX error counter and data[7] is always used to report RX error counter. can-utils also relies on this. This patch updates the comment in the uapi header to specify that data[5] is reserved (and thus should not be used) and that data[6..7] are used for error counters. Fixes: 0d66548a10cb ("[CAN]: Add PF_CAN core module") Link: https://lore.kernel.org/all/20220719143550.3681-11-mailhol.vincent@wanadoo.fr Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2022-07-19bpf: fix bpf_skb_pull_data documentationJoanne Koong1-1/+2
Fix documentation for bpf_skb_pull_data() helper for when len == 0. Fixes: fa15601ab31e ("bpf: add documentation for eBPF helpers (33-41)") Signed-off-by: Joanne Koong <joannelkoong@gmail.com> Acked-by: Quentin Monnet <quentin@isovalent.com> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/r/20220715193800.3940070-1-joannelkoong@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-07-19KVM: stats: Fix value for KVM_STATS_UNIT_MAX for boolean statsOliver Upton1-1/+1
commit 1b870fa5573e ("kvm: stats: tell userspace which values are boolean") added a new stat unit (boolean) but failed to raise KVM_STATS_UNIT_MAX. Fix by pointing UNIT_MAX at the new max value of UNIT_BOOLEAN. Fixes: 1b870fa5573e ("kvm: stats: tell userspace which values are boolean") Reported-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com> Signed-off-by: Oliver Upton <oupton@google.com> Message-Id: <20220719125229.2934273-1-oupton@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-07-18net/smc: Extend SMC-R link group netlink attributeWen Gu1-0/+1
Extend SMC-R link group netlink attribute SMC_GEN_LGR_SMCR. Introduce SMC_NLA_LGR_R_BUF_TYPE to show the buffer type of SMC-R link group. Signed-off-by: Wen Gu <guwen@linux.alibaba.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-17Merge tag 'input-for-v5.19-rc6' of ↵Linus Torvalds1-4/+7
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fixes from Dmitry Torokhov: - fix Goodix driver to properly behave on the Aya Neo Next - some more sanity checks in usbtouchscreen driver - a tweak in wm97xx driver in preparation for remove() to return void - a clarification in input core regarding units of measurement for resolution on touch events. * tag 'input-for-v5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: document the units for resolution of size axes Input: goodix - call acpi_device_fix_up_power() in some cases Input: wm97xx - make .remove() obviously always return 0 Input: usbtouchscreen - add driver_info sanity check
2022-07-16Merge tag 'tty-5.19-rc7' of ↵Linus Torvalds1-1/+2
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty and serial driver fixes from Greg KH: "Here are some TTY and Serial driver fixes for 5.19-rc7. They resolve a number of reported problems including: - longtime bug in pty_write() that has been reported in the past. - 8250 driver fixes - new serial device ids - vt overlapping data copy bugfix - other tiny serial driver bugfixes All of these have been in linux-next for a while with no reported problems" * tag 'tty-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: tty: use new tty_insert_flip_string_and_push_buffer() in pty_write() tty: extract tty_flip_buffer_commit() from tty_flip_buffer_push() serial: 8250: dw: Fix the macro RZN1_UART_xDMACR_8_WORD_BURST vt: fix memory overlapping when deleting chars in the buffer serial: mvebu-uart: correctly report configured baudrate value serial: 8250: Fix PM usage_count for console handover serial: 8250: fix return error code in serial8250_request_std_resource() serial: stm32: Clear prev values before setting RTS delays tty: Add N_CAN327 line discipline ID for ELM327 based CAN driver serial: 8250: Fix __stop_tx() & DMA Tx restart races serial: pl011: UPSTAT_AUTORTS requires .throttle/unthrottle tty: serial: samsung_tty: set dma burst_size to 1 serial: 8250: dw: enable using pdata with ACPI
2022-07-15Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds1-0/+1
Pull KVM fixes from Paolo Bonzini: "RISC-V: - Fix missing PAGE_PFN_MASK - Fix SRCU deadlock caused by kvm_riscv_check_vcpu_requests() x86: - Fix for nested virtualization when TSC scaling is active - Estimate the size of fastcc subroutines conservatively, avoiding disastrous underestimation when return thunks are enabled - Avoid possible use of uninitialized fields of 'struct kvm_lapic_irq' Generic: - Mark as such the boolean values available from the statistics file descriptors - Clarify statistics documentation" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: emulate: do not adjust size of fastop and setcc subroutines KVM: x86: Fully initialize 'struct kvm_lapic_irq' in kvm_pv_kick_cpu_op() Documentation: kvm: clarify histogram units kvm: stats: tell userspace which values are boolean x86/kvm: fix FASTOP_SIZE when return thunks are enabled KVM: nVMX: Always enable TSC scaling for L2 when it was enabled for L1 RISC-V: KVM: Fix SRCU deadlock caused by kvm_riscv_check_vcpu_requests() riscv: Fix missing PAGE_PFN_MASK
2022-07-15wifi: nl80211: add EML/MLD capabilities to per-iftype capabilitiesJohannes Berg1-2/+10
We have the per-interface type capabilities, currently for extended capabilities, add the EML/MLD capabilities there to have this advertised by the driver. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-15wifi: cfg80211: add API to add/modify/remove a link stationShaul Triebitz1-0/+8
Add an API for adding/modifying/removing a link of a station. Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski2-5/+11
include/net/sock.h 310731e2f161 ("net: Fix data-races around sysctl_mem.") e70f3c701276 ("Revert "net: set SK_MEM_QUANTUM to 4096"") https://lore.kernel.org/all/20220711120211.7c8b7cba@canb.auug.org.au/ net/ipv4/fib_semantics.c 747c14307214 ("ip: fix dflt addr selection for connected nexthop") d62607c3fe45 ("net: rename reference+tracking helpers") net/tls/tls.h include/net/tls.h 3d8c51b25a23 ("net/tls: Check for errors in tls_device_init") 587903142308 ("tls: create an internal header") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-14Merge tag 'net-5.19-rc7' of ↵Linus Torvalds1-4/+7
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from netfilter, bpf and wireless. Still no major regressions, the release continues to be calm. An uptick of fixes this time around due to trivial data race fixes and patches flowing down from subtrees. There has been a few driver fixes (particularly a few fixes for false positives due to 66e4c8d95008 which went into -next in May!) that make me worry the wide testing is not exactly fully through. So "calm" but not "let's just cut the final ASAP" vibes over here. Current release - regressions: - wifi: rtw88: fix write to const table of channel parameters Current release - new code bugs: - mac80211: add gfp_t arg to ieeee80211_obss_color_collision_notify - mlx5: - TC, allow offload from uplink to other PF's VF - Lag, decouple FDB selection and shared FDB - Lag, correct get the port select mode str - bnxt_en: fix and simplify XDP transmit path - r8152: fix accessing unset transport header Previous releases - regressions: - conntrack: fix crash due to confirmed bit load reordering (after atomic -> refcount conversion) - stmmac: dwc-qos: disable split header for Tegra194 Previous releases - always broken: - mlx5e: ring the TX doorbell on DMA errors - bpf: make sure mac_header was set before using it - mac80211: do not wake queues on a vif that is being stopped - mac80211: fix queue selection for mesh/OCB interfaces - ip: fix dflt addr selection for connected nexthop - seg6: fix skb checksums for SRH encapsulation/insertion - xdp: fix spurious packet loss in generic XDP TX path - bunch of sysctl data race fixes - nf_log: incorrect offset to network header Misc: - bpf: add flags arg to bpf_dynptr_read and bpf_dynptr_write APIs" * tag 'net-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (87 commits) nfp: flower: configure tunnel neighbour on cmsg rx net/tls: Check for errors in tls_device_init MAINTAINERS: Add an additional maintainer to the AMD XGBE driver xen/netback: avoid entering xenvif_rx_next_skb() with an empty rx queue selftests/net: test nexthop without gw ip: fix dflt addr selection for connected nexthop net: atlantic: remove aq_nic_deinit() when resume net: atlantic: remove deep parameter on suspend/resume functions sfc: fix kernel panic when creating VF seg6: bpf: fix skb checksum in bpf_push_seg6_encap() seg6: fix skb checksum in SRv6 End.B6 and End.B6.Encaps behaviors seg6: fix skb checksum evaluation in SRH encapsulation/insertion sfc: fix use after free when disabling sriov net: sunhme: output link status with a single print. r8152: fix accessing unset transport header net: stmmac: fix leaks in probe net: ftgmac100: Hold reference returned by of_get_child_by_name() nexthop: Fix data-races around nexthop_compat_mode. ipv4: Fix data-races around sysctl_ip_dynaddr. tcp: Fix a data-race around sysctl_tcp_ecn_fallback. ...
2022-07-14kvm: stats: tell userspace which values are booleanPaolo Bonzini1-0/+1
Some of the statistics values exported by KVM are always only 0 or 1. It can be useful to export this fact to userspace so that it can track them specially (for example by polling the value every now and then to compute a % of time spent in a specific state). Therefore, add "boolean value" as a new "unit". While it is not exactly a unit, it walks and quacks like one. In particular, using the type would be wrong because boolean values could be instantaneous or peak values (e.g. "is the rmap allocated?") or even two-bucket histograms (e.g. "number of posted vs. non-posted interrupt injections"). Suggested-by: Amneesh Singh <natto@weirdnatto.in> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-07-13Merge tag 'wireless-next-2022-07-13' of ↵David S. Miller1-0/+53
git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next Johannes Berg says: ==================== A fairly large set of updates for next, highlights: ath10k * ethernet frame format support rtw89 * TDLS support cfg80211/mac80211 * airtime fairness fixes * EHT support continued, especially in AP mode * initial (and still major) rework for multi-link operation (MLO) from 802.11be/wifi 7 As usual, also many small updates/cleanups/fixes/etc. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-12tls: rx: add counter for NoPad violationsJakub Kicinski1-0/+1
As discussed with Maxim add a counter for true NoPad violations. This should help deployments catch unexpected padded records vs just control records which always need re-encryption. https: //lore.kernel.org/all/b111828e6ac34baad9f4e783127eba8344ac252d.camel@nvidia.com/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-12tls: fix spelling of MIBJakub Kicinski1-1/+1
MIN -> MIB Fixes: 88527790c079 ("tls: rx: add sockopt for enabling optimistic decrypt with TLS 1.3") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-11wifi: nl80211: fix sending link ID info of associated BSSVeerendranath Jakkam1-0/+2
commit dd374f84baec ("wifi: nl80211: expose link ID for associated BSSes") used a top-level attribute to send link ID of the associated BSS in the nested attribute NL80211_ATTR_BSS. But since NL80211_ATTR_BSS is a nested attribute of the attributes defined in enum nl80211_bss, define a new attribute in enum nl80211_bss and use it for sending the link ID of the BSS. Fixes: dd374f84baec ("wifi: nl80211: expose link ID for associated BSSes") Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com> Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com> Link: https://lore.kernel.org/r/20220708122607.1836958-1-quic_vjakkam@quicinc.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-09Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-nextJakub Kicinski1-0/+5
Daniel Borkmann says: ==================== pull-request: bpf-next 2022-07-09 We've added 94 non-merge commits during the last 19 day(s) which contain a total of 125 files changed, 5141 insertions(+), 6701 deletions(-). The main changes are: 1) Add new way for performing BTF type queries to BPF, from Daniel Müller. 2) Add inlining of calls to bpf_loop() helper when its function callback is statically known, from Eduard Zingerman. 3) Implement BPF TCP CC framework usability improvements, from Jörn-Thorben Hinz. 4) Add LSM flavor for attaching per-cgroup BPF programs to existing LSM hooks, from Stanislav Fomichev. 5) Remove all deprecated libbpf APIs in prep for 1.0 release, from Andrii Nakryiko. 6) Add benchmarks around local_storage to BPF selftests, from Dave Marchevsky. 7) AF_XDP sample removal (given move to libxdp) and various improvements around AF_XDP selftests, from Magnus Karlsson & Maciej Fijalkowski. 8) Add bpftool improvements for memcg probing and bash completion, from Quentin Monnet. 9) Add arm64 JIT support for BPF-2-BPF coupled with tail calls, from Jakub Sitnicki. 10) Sockmap optimizations around throughput of UDP transmissions which have been improved by 61%, from Cong Wang. 11) Rework perf's BPF prologue code to remove deprecated functions, from Jiri Olsa. 12) Fix sockmap teardown path to avoid sleepable sk_psock_stop, from John Fastabend. 13) Fix libbpf's cleanup around legacy kprobe/uprobe on error case, from Chuang Wang. 14) Fix libbpf's bpf_helpers.h to work with gcc for the case of its sec/pragma macro, from James Hilliard. 15) Fix libbpf's pt_regs macros for riscv to use a0 for RC register, from Yixun Lan. 16) Fix bpftool to show the name of type BPF_OBJ_LINK, from Yafang Shao. * https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (94 commits) selftests/bpf: Fix xdp_synproxy build failure if CONFIG_NF_CONNTRACK=m/n bpf: Correctly propagate errors up from bpf_core_composites_match libbpf: Disable SEC pragma macro on GCC bpf: Check attach_func_proto more carefully in check_return_code selftests/bpf: Add test involving restrict type qualifier bpftool: Add support for KIND_RESTRICT to gen min_core_btf command MAINTAINERS: Add entry for AF_XDP selftests files selftests, xsk: Rename AF_XDP testing app bpf, docs: Remove deprecated xsk libbpf APIs description selftests/bpf: Add benchmark for local_storage RCU Tasks Trace usage libbpf, riscv: Use a0 for RC register libbpf: Remove unnecessary usdt_rel_ip assignments selftests/bpf: Fix few more compiler warnings selftests/bpf: Fix bogus uninitialized variable warning bpftool: Remove zlib feature test from Makefile libbpf: Cleanup the legacy uprobe_event on failed add/attach_event() libbpf: Fix wrong variable used in perf_event_uprobe_open_legacy() libbpf: Cleanup the legacy kprobe_event on failed add/attach_event() selftests/bpf: Add type match test against kernel's task_struct selftests/bpf: Add nested type to type based tests ... ==================== Link: https://lore.kernel.org/r/20220708233145.32365-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-09Input: document the units for resolution of size axesSiarhei Vishniakou1-4/+7
Today, the resolution of size axes is not documented. As a result, it's not clear what the canonical interpretation of this value should be. On Android, there is a need to calculate the size of the touch ellipse in physical units (millimeters). After reviewing linux source, it turned out that most of the existing usages are already interpreting this value as "units/mm". This documentation will make it explicit. This will help device implementations with correctly following the linux specs, and will ensure that the devices will work on Android without needing further customized parameters for scaling of major/minor values. Signed-off-by: Siarhei Vishniakou <svv@google.com> Reviewed-by: Jeff LaBundy <jeff@labundy.com> Link: https://lore.kernel.org/r/20220520084514.3451193-1-svv@google.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-07-09Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfJakub Kicinski1-4/+7
Daniel Borkmann says: ==================== bpf 2022-07-08 We've added 3 non-merge commits during the last 2 day(s) which contain a total of 7 files changed, 40 insertions(+), 24 deletions(-). The main changes are: 1) Fix cBPF splat triggered by skb not having a mac header, from Eric Dumazet. 2) Fix spurious packet loss in generic XDP when pushing packets out (note that native XDP is not affected by the issue), from Johan Almbladh. 3) Fix bpf_dynptr_{read,write}() helper signatures with flag argument before its set in stone as UAPI, from Joanne Koong. * https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: bpf: Add flags arg to bpf_dynptr_read and bpf_dynptr_write APIs bpf: Make sure mac_header was set before using it xdp: Fix spurious packet loss in generic XDP TX path ==================== Link: https://lore.kernel.org/r/20220708213418.19626-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-08Merge tag 'io_uring-5.19-2022-07-08' of git://git.kernel.dk/linux-blockLinus Torvalds1-1/+4
Pull io_uring tweak from Jens Axboe: "Just a minor tweak to an addition made in this release cycle: padding a 32-bit value that's in a 64-bit union to avoid any potential funkiness from that" * tag 'io_uring-5.19-2022-07-08' of git://git.kernel.dk/linux-block: io_uring: explicit sqe padding for ioctl commands
2022-07-08bpf: Add flags arg to bpf_dynptr_read and bpf_dynptr_write APIsJoanne Koong1-4/+7
Commit 13bbbfbea759 ("bpf: Add bpf_dynptr_read and bpf_dynptr_write") added the bpf_dynptr_write() and bpf_dynptr_read() APIs. However, it will be needed for some dynptr types to pass in flags as well (e.g. when writing to a skb, the user may like to invalidate the hash or recompute the checksum). This patch adds a "u64 flags" arg to the bpf_dynptr_read() and bpf_dynptr_write() APIs before their UAPI signature freezes where we then cannot change them anymore with a 5.19.x released kernel. Fixes: 13bbbfbea759 ("bpf: Add bpf_dynptr_read and bpf_dynptr_write") Signed-off-by: Joanne Koong <joannelkoong@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/r/20220706232547.4016651-1-joannelkoong@gmail.com
2022-07-08io_uring: explicit sqe padding for ioctl commandsPavel Begunkov1-1/+4
32 bit sqe->cmd_op is an union with 64 bit values. It's always a good idea to do padding explicitly. Also zero check it in prep, so it can be used in the future if needed without compatibility concerns. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/e6b95a05e970af79000435166185e85b196b2ba2.1657202417.git.asml.silence@gmail.com [axboe: turn bitwise OR into logical variant] Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-07-07Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-1/+1
No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-06tls: rx: add sockopt for enabling optimistic decrypt with TLS 1.3Jakub Kicinski2-0/+3
Since optimisitic decrypt may add extra load in case of retries require socket owner to explicitly opt-in. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-06bpf: Introduce TYPE_MATCH related constants/macrosDaniel Müller1-0/+1
In order to provide type match support we require a new type of relocation which, in turn, requires toolchain support. Recent LLVM/Clang versions support a new value for the last argument to the __builtin_preserve_type_info builtin, for example. With this change we introduce the necessary constants into relevant header files, mirroring what the compiler may support. Signed-off-by: Daniel Müller <deso@posteo.net> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220628160127.607834-2-deso@posteo.net
2022-07-04xfrm: improve wording of comment above XFRM_OFFLOAD flagsPetr Vaněk1-3/+3
I have noticed a few minor wording issues in a comment recently added above XFRM_OFFLOAD flags in 7c76ecd9c99b ("xfrm: enforce validity of offload input flags"). Signed-off-by: Petr Vaněk <arkamar@atlas.cz> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2022-07-03Merge tag 'linux-can-next-for-5.20-20220703' of ↵David S. Miller1-1/+2
git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next Marc Kleine-Budde says: ==================== pull-request: can-next 2022-07-03 this is a pull request of 15 patches for net-next/master. The first 2 patches are by Max Staudt and add the can327 serial CAN driver along with a new line discipline ID. The next patch is by me an fixes a typo in the ctucanfd driver. The last 12 patches are by Dario Binacchi and integrate slcan CAN serial driver better into the existing CAN driver API. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-01Merge tag 'io_uring-5.19-2022-07-01' of git://git.kernel.dk/linux-blockLinus Torvalds1-1/+1
Pull io_uring fixes from Jens Axboe: "Two minor tweaks: - While we still can, adjust the send/recv based flags to be in ->ioprio rather than in ->addr2. This is consistent with eg accept, and also doesn't waste a full 64-bit field for flags (Pavel) - 5.18-stable fix for re-importing provided buffers. Not much real world relevance here as it'll only impact non-pollable files gone async, which is more of a practical test case rather than something that is used in the wild (Dylan)" * tag 'io_uring-5.19-2022-07-01' of git://git.kernel.dk/linux-block: io_uring: fix provided buffer import io_uring: keep sendrecv flags in ioprio
2022-07-01wifi: cfg80211: Increase akm_suites array size in cfg80211_crypto_settingsVeerendranath Jakkam1-0/+14
Increase akm_suites array size in struct cfg80211_crypto_settings to 10 and advertise the capability to userspace. This allows userspace to send more than two AKMs to driver in netlink commands such as NL80211_CMD_CONNECT. This capability is needed for implementing WPA3-Personal transition mode correctly with any driver that handles roaming internally. Currently, the possible AKMs for multi-AKM connect can include PSK, PSK-SHA-256, SAE, FT-PSK and FT-SAE. Since the count is already 5, increasing the akm_suites array size to 10 should be reasonable for future usecases. Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com> Link: https://lore.kernel.org/r/1653312358-12321-1-git-send-email-quic_vjakkam@quicinc.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-4/+5
drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c 9c5de246c1db ("net: sparx5: mdb add/del handle non-sparx5 devices") fbb89d02e33a ("net: sparx5: Allow mdb entries to both CPU and ports") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-06-30io_uring: keep sendrecv flags in ioprioPavel Begunkov1-1/+1
We waste a u64 SQE field for flags even though we don't need as many bits and it can be used for something more useful later. Store io_uring specific send/recv flags in sqe->ioprio instead of ->addr2. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Fixes: 0455d4ccec54 ("io_uring: add POLL_FIRST support for send/sendmsg and recv/recvmsg") [axboe: change comment in io_uring.h as well] Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-06-30net, neigh: introduce interval_probe_time_ms for periodic probeYuwei Wang2-18/+20
commit ed6cd6a17896 ("net, neigh: Set lower cap for neigh_managed_work rearming") fixed a case when DELAY_PROBE_TIME is configured to 0, the processing of the system work queue hog CPU to 100%, and further more we should introduce a new option used by periodic probe Signed-off-by: Yuwei Wang <wangyuweihx@gmail.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-06-29bpf: implement BPF_PROG_QUERY for BPF_LSM_CGROUPStanislav Fomichev1-0/+3
We have two options: 1. Treat all BPF_LSM_CGROUP the same, regardless of attach_btf_id 2. Treat BPF_LSM_CGROUP+attach_btf_id as a separate hook point I was doing (2) in the original patch, but switching to (1) here: * bpf_prog_query returns all attached BPF_LSM_CGROUP programs regardless of attach_btf_id * attach_btf_id is exported via bpf_prog_info Reviewed-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Link: https://lore.kernel.org/r/20220628174314.1216643-6-sdf@google.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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