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2021-10-29mctp: Add flow extension to skbJeremy Kerr4-1/+35
This change adds a new skb extension for MCTP, to represent a request/response flow. The intention is to use this in a later change to allow i2c controllers to correctly configure a multiplexer over a flow. Since we have a cleanup function in the core path (if an extension is present), we'll need to make CONFIG_MCTP a bool, rather than a tristate. Includes a fix for a build warning with clang: Reported-by: kernel test robot <[email protected]> Signed-off-by: Jeremy Kerr <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29mctp: Return new key from mctp_alloc_local_tagJeremy Kerr1-12/+16
In a future change, we will want the key available for future use after allocating a new tag. This change returns the key from mctp_alloc_local_tag, rather than just key->tag. Signed-off-by: Jeremy Kerr <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29Merge branch 'eth_hw_addr_set'David S. Miller3-5/+10
Jakub Kicinski says: ==================== arch, misc: use eth_hw_addr_set() Convert remaining misc drivers to use helpers to write to netdev->dev_addr. This is the last set :) :) ==================== Signed-off-by: David S. Miller <[email protected]>
2021-10-29net: xtensa: use eth_hw_addr_set()Jakub Kicinski1-1/+2
Commit 406f42fa0d3c ("net-next: When a bond have a massive amount of VLANs...") introduced a rbtree for faster Ethernet address look up. To maintain netdev->dev_addr in this tree we need to make all the writes to it go through appropriate helpers. Signed-off-by: Jakub Kicinski <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29net: um: use eth_hw_addr_set()Jakub Kicinski1-1/+2
Commit 406f42fa0d3c ("net-next: When a bond have a massive amount of VLANs...") introduced a rbtree for faster Ethernet address look up. To maintain netdev->dev_addr in this tree we need to make all the writes to it go through appropriate helpers. Signed-off-by: Jakub Kicinski <[email protected]> Acked-by: Anton Ivanov <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29net: sgi-xp: use eth_hw_addr_set()Jakub Kicinski1-3/+6
Commit 406f42fa0d3c ("net-next: When a bond have a massive amount of VLANs...") introduced a rbtree for faster Ethernet address look up. To maintain netdev->dev_addr in this tree we need to make all the writes to it go through appropriate helpers. Signed-off-by: Jakub Kicinski <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29selftests/net: update .gitignore with newly added testsShuah Khan1-0/+4
Update .gitignore with newly added tests: tools/testing/selftests/net/af_unix/test_unix_oob tools/testing/selftests/net/gro tools/testing/selftests/net/ioam6_parser tools/testing/selftests/net/toeplitz Signed-off-by: Shuah Khan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29net: amd-xgbe: Toggle PLL settings during rate changeShyam Sundar S K2-1/+27
For each rate change command submission, the FW has to do a phy power off sequence internally. For this to happen correctly, the PLL re-initialization control setting has to be turned off before sending mailbox commands and re-enabled once the command submission is complete. Without the PLL control setting, the link up takes longer time in a fixed phy configuration. Fixes: 47f164deab22 ("amd-xgbe: Add PCI device support") Co-developed-by: Sudheesh Mavila <[email protected]> Signed-off-by: Sudheesh Mavila <[email protected]> Signed-off-by: Shyam Sundar S K <[email protected]> Acked-by: Tom Lendacky <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29Merge branch '100GbE' of ↵David S. Miller13-82/+1110
git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue Tony Nguyen says: ==================== 100GbE Intel Wired LAN Driver Updates 2021-10-28 This series contains updates to ice driver only. Michal adds support for eswitch drop and redirect filters from and to tunnel devices. From meaning from uplink to VF and to means from VF to uplink. This is accomplished by adding support for indirect TC tunnel notifications and adding appropriate training packets and match fields for UDP tunnel headers. He also adds returning virtchannel responses for blocked operations as returning a response is still needed. Marcin sets netdev min and max MTU values on port representors to allow for MTU changes over default values. Brett adds detecting and reporting of PHY firmware load issues for devices which support this. Nathan Chancellor fixes a clang warning for implicit fallthrough. Wang Hai fixes a return value for failed allocation. ==================== Signed-off-by: David S. Miller <[email protected]>
2021-10-29Merge branch 'for-next/fixes' into for-next/coreWill Deacon2-2/+3
Merge for-next/fixes to resolve conflicts in arm64_hugetlb_cma_reserve(). * for-next/fixes: acpi/arm64: fix next_platform_timer() section mismatch error arm64/hugetlb: fix CMA gigantic page order for non-4K PAGE_SIZE
2021-10-29Revert "btrfs: compression: drop kmap/kunmap from lzo"David Sterba1-11/+25
This reverts commit 8c945d32e60427cbc0859cf7045bbe6196bb03d8. The kmaps in compression code are still needed and cause crashes on 32bit machines (ARM, x86). Reproducible eg. by running fstest btrfs/004 with enabled LZO or ZSTD compression. The revert does not apply cleanly due to changes in a6e66e6f8c1b ("btrfs: rework lzo_decompress_bio() to make it subpage compatible") that reworked the page iteration so the revert is done to be equivalent to the original code. Link: https://lore.kernel.org/all/CAJCQCtT+OuemovPO7GZk8Y8=qtOObr0XTDp8jh4OHD6y84AFxw@mail.gmail.com/ Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=214839 Tested-by: Qu Wenruo <[email protected]> Signed-off-by: Qu Wenruo <[email protected]> Signed-off-by: David Sterba <[email protected]>
2021-10-29Merge branch 'for-next/vdso' into for-next/coreWill Deacon3-36/+10
* for-next/vdso: arm64: vdso32: require CROSS_COMPILE_COMPAT for gcc+bfd arm64: vdso32: suppress error message for 'make mrproper' arm64: vdso32: drop test for -march=armv8-a arm64: vdso32: drop the test for dmb ishld
2021-10-29Merge branch 'for-next/trbe-errata' into for-next/coreWill Deacon6-1/+213
* for-next/trbe-errata: arm64: errata: Add detection for TRBE write to out-of-range arm64: errata: Add workaround for TSB flush failures arm64: errata: Add detection for TRBE overwrite in FILL mode arm64: Add Neoverse-N2, Cortex-A710 CPU part definition
2021-10-29Merge branch 'for-next/sve' into for-next/coreWill Deacon11-212/+386
* for-next/sve: arm64/sve: Fix warnings when SVE is disabled arm64/sve: Add stub for sve_max_virtualisable_vl() arm64/sve: Track vector lengths for tasks in an array arm64/sve: Explicitly load vector length when restoring SVE state arm64/sve: Put system wide vector length information into structs arm64/sve: Use accessor functions for vector lengths in thread_struct arm64/sve: Rename find_supported_vector_length() arm64/sve: Make access to FFR optional arm64/sve: Make sve_state_size() static arm64/sve: Remove sve_load_from_fpsimd_state() arm64/fp: Reindent fpsimd_save()
2021-10-29Merge branch 'for-next/scs' into for-next/coreWill Deacon1-0/+1
* for-next/scs: scs: Release kasan vmalloc poison in scs_free process
2021-10-29Merge branch 'for-next/pfn-valid' into for-next/coreWill Deacon4-43/+0
* for-next/pfn-valid: arm64/mm: drop HAVE_ARCH_PFN_VALID dma-mapping: remove bogus test for pfn_valid from dma_map_resource
2021-10-29Merge branch 'for-next/perf' into for-next/coreWill Deacon3-7/+9
* for-next/perf: drivers/perf: Improve build test coverage drivers/perf: thunderx2_pmu: Change data in size tx2_uncore_event_update() drivers/perf: hisi: Fix PA PMU counter offset
2021-10-29Merge branch 'for-next/mte' into for-next/coreWill Deacon15-39/+151
* for-next/mte: kasan: Extend KASAN mode kernel parameter arm64: mte: Add asymmetric mode support arm64: mte: CPU feature detection for Asymm MTE arm64: mte: Bitfield definitions for Asymm MTE kasan: Remove duplicate of kasan_flag_async arm64: kasan: mte: move GCR_EL1 switch to task switch when KASAN disabled
2021-10-29Merge branch 'for-next/mm' into for-next/coreWill Deacon5-15/+27
* for-next/mm: arm64: mm: update max_pfn after memory hotplug arm64/mm: Add pud_sect_supported() arm64: mm: Drop pointless call to set_max_mapnr()
2021-10-29Merge branch 'for-next/misc' into for-next/coreWill Deacon5-3/+20
* for-next/misc: arm64: Select POSIX_CPU_TIMERS_TASK_WORK arm64: Document boot requirements for FEAT_SME_FA64 arm64: ftrace: use function_nocfi for _mcount as well arm64: asm: setup.h: export common variables arm64/traps: Avoid unnecessary kernel/user pointer conversion
2021-10-29Merge branch 'for-next/kselftest' into for-next/coreWill Deacon9-524/+640
* for-next/kselftest: selftests: arm64: Factor out utility functions for assembly FP tests selftests: arm64: Add coverage of ptrace flags for SVE VL inheritance selftests: arm64: Verify that all possible vector lengths are handled selftests: arm64: Fix and enable test for setting current VL in vec-syscfg selftests: arm64: Remove bogus error check on writing to files selftests: arm64: Fix printf() format mismatch in vec-syscfg selftests: arm64: Move FPSIMD in SVE ptrace test into a function selftests: arm64: More comprehensively test the SVE ptrace interface selftests: arm64: Verify interoperation of SVE and FPSIMD register sets selftests: arm64: Clarify output when verifying SVE register set selftests: arm64: Document what the SVE ptrace test is doing selftests: arm64: Remove extraneous register setting code selftests: arm64: Don't log child creation as a test in SVE ptrace test selftests: arm64: Use a define for the number of SVE ptrace tests to be run
2021-10-29Merge branch 'for-next/kexec' into for-next/coreWill Deacon19-340/+357
* for-next/kexec: arm64: trans_pgd: remove trans_pgd_map_page() arm64: kexec: remove cpu-reset.h arm64: kexec: remove the pre-kexec PoC maintenance arm64: kexec: keep MMU enabled during kexec relocation arm64: kexec: install a copy of the linear-map arm64: kexec: use ld script for relocation function arm64: kexec: relocate in EL1 mode arm64: kexec: configure EL2 vectors for kexec arm64: kexec: pass kimage as the only argument to relocation function arm64: kexec: Use dcache ops macros instead of open-coding arm64: kexec: skip relocation code for inplace kexec arm64: kexec: flush image and lists during kexec load time arm64: hibernate: abstract ttrb0 setup function arm64: trans_pgd: hibernate: Add trans_pgd_copy_el2_vectors arm64: kernel: add helper for booted at EL2 and not VHE
2021-10-29Merge branch 'for-next/extable' into for-next/coreWill Deacon20-158/+310
* for-next/extable: arm64: vmlinux.lds.S: remove `.fixup` section arm64: extable: add load_unaligned_zeropad() handler arm64: extable: add a dedicated uaccess handler arm64: extable: add `type` and `data` fields arm64: extable: use `ex` for `exception_table_entry` arm64: extable: make fixup_exception() return bool arm64: extable: consolidate definitions arm64: gpr-num: support W registers arm64: factor out GPR numbering helpers arm64: kvm: use kvm_exception_table_entry arm64: lib: __arch_copy_to_user(): fold fixups into body arm64: lib: __arch_copy_from_user(): fold fixups into body arm64: lib: __arch_clear_user(): fold fixups into body
2021-10-29Merge branch 'sctp-plpmtud-fixes'David S. Miller3-14/+17
Xin Long says: ==================== sctp: a couple of fixes for PLPMTUD Four fixes included in this patchset: - fix the packet sending in Error state. - fix the timer stop when transport update dst. - fix the outer header len calculation. - fix the return value for toobig processing. ==================== Signed-off-by: David S. Miller <[email protected]>
2021-10-29sctp: return true only for pathmtu update in sctp_transport_pl_toobigXin Long1-3/+4
sctp_transport_pl_toobig() supposes to return true only if there's pathmtu update, so that in sctp_icmp_frag_needed() it would call sctp_assoc_sync_pmtu() and sctp_retransmit(). This patch is to fix these return places in sctp_transport_pl_toobig(). Fixes: 836964083177 ("sctp: do state transition when receiving an icmp TOOBIG packet") Signed-off-by: Xin Long <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29sctp: subtract sctphdr len in sctp_transport_pl_hlenXin Long1-1/+2
sctp_transport_pl_hlen() is called to calculate the outer header length for PL. However, as the Figure in rfc8899#section-4.4: Any additional headers .--- MPS -----. | | | v v v +------------------------------+ | IP | ** | PL | protocol data | +------------------------------+ <----- PLPMTU -----> <---------- PMTU --------------> Outer header are IP + Any additional headers, which doesn't include Packetization Layer itself header, namely sctphdr, whereas sctphdr is counted by __sctp_mtu_payload(). The incorrect calculation caused the link pathmtu to be set larger than expected by t->pl.pmtu + sctp_transport_pl_hlen(). This patch is to fix it by subtracting sctphdr len in sctp_transport_pl_hlen(). Fixes: d9e2e410ae30 ("sctp: add the constants/variables and states and some APIs for transport") Signed-off-by: Xin Long <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29sctp: reset probe_timer in sctp_transport_pl_updateXin Long1-3/+1
sctp_transport_pl_update() is called when transport update its dst and pathmtu, instead of stopping the PLPMTUD probe timer, PLPMTUD should start over and reset the probe timer. Otherwise, the PLPMTUD service would stop. Fixes: 92548ec2f1f9 ("sctp: add the probe timer in transport for PLPMTUD") Signed-off-by: Xin Long <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29sctp: allow IP fragmentation when PLPMTUD enters Error stateXin Long2-7/+10
Currently when PLPMTUD enters Error state, transport pathmtu will be set to MIN_PLPMTU(512) while probe is continuing with BASE_PLPMTU(1200). It will cause pathmtu to stay in a very small value, even if the real pmtu is some value like 1000. RFC8899 doesn't clearly say how to set the value in Error state. But one possibility could be keep using BASE_PLPMTU for the real pmtu, but allow to do IP fragmentation when it's in Error state. As it says in rfc8899#section-5.4: Some paths could be unable to sustain packets of the BASE_PLPMTU size. The Error State could be implemented to provide robustness to such paths. This allows fallback to a smaller than desired PLPMTU rather than suffer connectivity failure. This could utilize methods such as endpoint IP fragmentation to enable the PL sender to communicate using packets smaller than the BASE_PLPMTU. This patch is to set pmtu to BASE_PLPMTU instead of MIN_PLPMTU for Error state in sctp_transport_pl_send/toobig(), and set packet ipfragok for non-probe packets when it's in Error state. Fixes: 1dc68c194571 ("sctp: do state transition when PROBE_COUNT == MAX_PROBES on HB send path") Reported-by: Ying Xu <[email protected]> Signed-off-by: Xin Long <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29Merge branch 'for-next/8.6-timers' into for-next/coreWill Deacon14-149/+264
* for-next/8.6-timers: arm64: Add HWCAP for self-synchronising virtual counter arm64: Add handling of CNTVCTSS traps arm64: Add CNT{P,V}CTSS_EL0 alternatives to cnt{p,v}ct_el0 arm64: Add a capability for FEAT_ECV clocksource/drivers/arch_arm_timer: Move workaround synchronisation around clocksource/drivers/arm_arch_timer: Fix masking for high freq counters clocksource/drivers/arm_arch_timer: Drop unnecessary ISB on CVAL programming clocksource/drivers/arm_arch_timer: Remove any trace of the TVAL programming interface clocksource/drivers/arm_arch_timer: Work around broken CVAL implementations clocksource/drivers/arm_arch_timer: Advertise 56bit timer to the core code clocksource/drivers/arm_arch_timer: Move MMIO timer programming over to CVAL clocksource/drivers/arm_arch_timer: Fix MMIO base address vs callback ordering issue clocksource/drivers/arm_arch_timer: Move drop _tval from erratum function names clocksource/drivers/arm_arch_timer: Move system register timer programming over to CVAL clocksource/drivers/arm_arch_timer: Extend write side of timer register accessors to u64 clocksource/drivers/arm_arch_timer: Drop CNT*_TVAL read accessors clocksource/arm_arch_timer: Add build-time guards for unhandled register accesses
2021-10-29dt-bindings: net: lantiq-xrx200-net: Remove the burst length propertiesAleksander Jan Bajkowski1-16/+0
All SoCs with this IP core support 8 burst length. Hauke suggested to hardcode this value and simplify the driver. Link: https://lkml.org/lkml/2021/9/14/1533 Signed-off-by: Aleksander Jan Bajkowski <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29net: lantiq_xrx200: Hardcode the burst length valueAleksander Jan Bajkowski1-17/+4
All SoCs with this IP core support 8 burst length. Hauke suggested to hardcode this value and simplify the driver. Link: https://lkml.org/lkml/2021/9/14/1533 Signed-off-by: Aleksander Jan Bajkowski <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29Merge branch 'bnxt_en-devlink'David S. Miller13-691/+1554
Michael Chan says: ==================== bnxt_en: devlink enhancements This patch series implements some devlink enhancements for bnxt_en. They include: 1. devlink reload to reinitialize driver or to activate new firmware. 2. Support enable_remote_dev_reset to enable/disable other functions resetting the device. 3. Consolidate and improve the health reporters. 4. Support live firmware patch. 5. Provide devlink dev info "fw" version on older firmware. v2: In patch 3, don't use devlink_reload_disable() and devlink_reload_enable() which are no longer available in the latest kernel. Instead, check that the netdev is not in unregistered state before proceeding with reload. In patch 14, use min_t() instead of min() to fix the mismatched type warning. ==================== Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: Update bnxt.rst devlink documentationMichael Chan1-0/+2
Add 'enable_remote_dev_reset' documentation to bnxt.rst. Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: Provide stored devlink "fw" version on older firmwareVikas Gupta3-13/+36
On older firmware that doesn't support the HWRM_NVM_GET_DEV_INFO command that returns detailed stored firmware versions, fallback to use the same firmware package version that is reported to ethtool. Refactor bnxt_get_pkgver() in bnxt_ethtool.c so that devlink can call and get the package version. Signed-off-by: Vikas Gupta <[email protected]> Reviewed-by: Edwin Peer <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: implement firmware live patchingEdwin Peer3-2/+174
Live patches are activated by using the 'limit no_reset' option when performing a devlink dev reload fw_activate operation. These packages must first be installed on the device in the usual way. For example, via devlink dev flash or ethtool -f. The devlink device info has also been enhanced to render stored and running live patch versions. Signed-off-by: Edwin Peer <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: Update firmware interface to 1.10.2.63Michael Chan4-8/+156
The main changes are firmware live patch support and 2 additional FEC standard counters. Add the matching FEC counters to ethtool counter array. Firmware older than 220 does not return the proper size of the extended RX counters so we need to cap it at the smaller legacy size. Otherwise the new FEC counters may show up with garbage values. Reviewed-by: Edwin Peer <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: implement dump callback for fw health reporterEdwin Peer1-0/+42
Populate the dump with firmware 'live' coredump data. This includes the information stored in NVRAM by the firmware exception handler prior to recovery. Thus, the live dump includes the desired crash context. Firmware does not support HWRM calls after RESET_NOTIFY, so there is no supported way to capture a coredump during the auto dump phase. Detect this and abort when called from devlink_health_report(). Signed-off-by: Edwin Peer <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: extract coredump command line from current taskEdwin Peer1-1/+25
Tools other than 'ethtool -w' may be used to produce a coredump. For devlink health, such dumps could even be driver initiated in response to a health event. In these cases, the kernel thread information will be placed in the coredump record instead. v2: use min_t() instead of min() to fix the mismatched type warning Signed-off-by: Edwin Peer <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: Retrieve coredump and crashdump size via FW commandVasundhara Volam3-4/+85
Recent firmware provides coredump and crashdump size info via DBG_QCFG command. Read the dump sizes from firmware, instead of computing in the driver. This patch reduces the time taken to collect the dump via ethtool. Signed-off-by: Vasundhara Volam <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: Add compression flags information in coredump segment headerVasundhara Volam1-0/+1
Firmware sets compression flags for each segment, add this information while filling segment header. Signed-off-by: Vasundhara Volam <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: move coredump functions into dedicated fileEdwin Peer5-400/+424
Change bnxt_get_coredump() and bnxt_get_coredump_length() to non-static functions. Signed-off-by: Edwin Peer <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: Refactor coredump functionsEdwin Peer1-17/+31
The coredump functionality will be used by devlink health. Refactor these functions that get coredump and coredump length. There is no functional change, but the following checkpatch warnings were addressed: - strscpy is preferred over strlcpy. - sscanf results should be checked, with an additional warning. Signed-off-by: Edwin Peer <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: improve fw diagnose devlink health messagesEdwin Peer3-27/+148
Add firmware event counters as well as health state severity. In the unhealthy state, recommend a remedy and inform the user as to its impact. Readability of the devlink tool's output is negatively impacted by adding these fields to the diagnosis. The single line of text, as rendered by devlink health diagnose, benefits from more terse descriptions, which can be substituted without loss of clarity, even in pretty printed JSON mode. Signed-off-by: Edwin Peer <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: consolidate fw devlink health reportersEdwin Peer2-51/+21
Merge 'fw' and 'fw_fatal' health reporters. There is no longer a need to distinguish between firmware reporters. Only bonafide errors are reported now and no reports were being generated for the 'fw' reporter. Signed-off-by: Edwin Peer <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: remove fw_reset devlink health reporterEdwin Peer4-116/+53
Firmware resets initiated by the user are not errors and should not be reported via devlink. Once only unsolicited resets remain, it is no longer sensible to maintain a separate fw_reset reporter. Signed-off-by: Edwin Peer <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: improve error recovery information messagesEdwin Peer2-9/+13
The recovery election messages are often mistaken for errors. Improve the wording to clarify the meaning of these frequent and expected events. Also, take the first step towards more inclusive language. Signed-off-by: Edwin Peer <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: add enable_remote_dev_reset devlink parameterEdwin Peer5-4/+111
The reported parameter value should not take into account the state of remote drivers. Firmware will reject remote resets as appropriate, thus it is not strictly necessary to check HOT_RESET_ALLOWED before attempting to initiate a reset. But we add the check so that we can provide more intuitive messages when reset is not permitted. This firmware setting needs to be restored from all functions after a firmware reset. Signed-off-by: Edwin Peer <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: implement devlink dev reload fw_activateEdwin Peer6-4/+80
Similar to reload driver_reinit, the RTNL lock is held across reload down and up to prevent interleaving state changes. But we need to subsequently release the RTNL lock while waiting for firmware reset to complete. Also keep a statistic on fw_activate resets initiated remotely from other functions. Signed-off-by: Edwin Peer <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: implement devlink dev reload driver_reinitEdwin Peer5-11/+110
The RTNL lock must be held between down and up to prevent interleaving state changes, especially since external state changes might release and allocate different driver resource subsets that would otherwise need to be tracked and carefully handled. If the down function fails, then devlink will not call the corresponding up function, thus the lock is released in the down error paths. v2: Don't use devlink_reload_disable() and devlink_reload_enable(). Instead, check that the netdev is not in unregistered state before proceeding with reload. Signed-off-by: Edwin Peer <[email protected]> Signed-Off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-10-29bnxt_en: refactor cancellation of resource reservationsEdwin Peer2-19/+29
Resource reservations will also need to be reset after FUNC_DRV_UNRGTR in the following devlink driver_reinit patch. Extract this logic into a reusable function. Signed-off-by: Edwin Peer <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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