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2025-11-02RDMA/irdma: Fix vf_id size to u16 to avoid overflowJay Bhat1-1/+1
Correctly size the vf_id to u16 to avoid overflow. Signed-off-by: Jay Bhat <jay.bhat@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20251031021726.1003-6-tatyana.e.nikolova@intel.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-10-27RDMA/hns: Remove an extra blank lineGuofeng Yue1-1/+0
Remove an extra blank line. Signed-off-by: Guofeng Yue <yueguofeng@h-partners.com> Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com> Link: https://patch.msgid.link/20251016114051.1963197-5-huangjunxian6@hisilicon.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-10-27RDMA/hns: Fix wrong WQE data when QP wraps aroundJunxian Huang1-3/+8
When QP wraps around, WQE data from the previous use at the same position still remains as driver does not clear it. The WQE field layout differs across different opcodes, causing that the fields that are not explicitly assigned for the current opcode retain stale values, and are issued to HW by mistake. Such fields are as follows: * MSG_START_SGE_IDX field in ATOMIC WQE * BLOCK_SIZE and ZBVA fields in FRMR WQE * DirectWQE fields when DirectWQE not used For ATOMIC WQE, always set the latest sge index in MSG_START_SGE_IDX as required by HW. For FRMR WQE and DirectWQE, clear only those unassigned fields instead of the entire WQE to avoid performance penalty. Fixes: 68a997c5d28c ("RDMA/hns: Add FRMR support for hip08") Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com> Link: https://patch.msgid.link/20251016114051.1963197-4-huangjunxian6@hisilicon.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-10-27RDMA/hns: Fix the modification of max_send_sgewenglianfa1-2/+0
The actual sge number may exceed the value specified in init_attr->cap when HW needs extra sge to enable inline feature. Since these extra sges are not expected by ULP, return the user-specified value to ULP instead of the expanded sge number. Fixes: 0c5e259b06a8 ("RDMA/hns: Fix incorrect sge nums calculation") Signed-off-by: wenglianfa <wenglianfa@huawei.com> Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com> Link: https://patch.msgid.link/20251016114051.1963197-3-huangjunxian6@hisilicon.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-10-27RDMA/hns: Fix recv CQ and QP cache affinityChengchang Tang3-3/+63
Currently driver enforces affinity between QP cache and send CQ cache, which helps improve the performance of sending, but doesn't set affinity with recv CQ cache, resulting in suboptimal performance of receiving. Use one CQ bank per context to ensure the affinity among QP, send CQ and recv CQ. For kernel ULP, CQ bank is fixed to 0. Fixes: 9e03dbea2b06 ("RDMA/hns: Fix CQ and QP cache affinity") Signed-off-by: Chengchang Tang <tangchengchang@huawei.com> Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com> Link: https://patch.msgid.link/20251016114051.1963197-2-huangjunxian6@hisilicon.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-10-19RDMA/uverbs: Fix umem release in UVERBS_METHOD_CQ_CREATEShuhao Fu1-9/+7
In `UVERBS_METHOD_CQ_CREATE`, umem should be released if anything goes wrong. Currently, if `create_cq_umem` fails, umem would not be released or referenced, causing a possible leak. In this patch, we release umem at `UVERBS_METHOD_CQ_CREATE`, the driver should not release umem if it returns an error code. Fixes: 1a40c362ae26 ("RDMA/uverbs: Add a common way to create CQ with umem") Signed-off-by: Shuhao Fu <sfual@cse.ust.hk> Link: https://patch.msgid.link/aOh1le4YqtYwj-hH@osx.local Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-10-19RDMA/irdma: Set irdma_cq cq_num field during CQ createJacob Moroni2-1/+2
The driver maintains a CQ table that is used to ensure that a CQ is still valid when processing CQ related AEs. When a CQ is destroyed, the table entry is cleared, using irdma_cq.cq_num as the index. This field was never being set, so it was just always clearing out entry 0. Additionally, the cq_num field size was increased to accommodate HW supporting more than 64K CQs. Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs") Signed-off-by: Jacob Moroni <jmoroni@google.com> Link: https://patch.msgid.link/20250923142439.943930-1-jmoroni@google.com Acked-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-10-19RDMA/irdma: Fix SD index calculationJacob Moroni1-1/+1
In some cases, it is possible for pble_rsrc->next_fpm_addr to be larger than u32, so remove the u32 cast to avoid unintentional truncation. This fixes the following error that can be observed when registering massive memory regions: [ 447.227494] (NULL ib_device): cqp opcode = 0x1f maj_err_code = 0xffff min_err_code = 0x800c [ 447.227505] (NULL ib_device): [Update PE SDs Cmd Error][op_code=21] status=-5 waiting=1 completion_err=1 maj=0xffff min=0x800c Fixes: e8c4dbc2fcac ("RDMA/irdma: Add PBLE resource manager") Signed-off-by: Jacob Moroni <jmoroni@google.com> Link: https://patch.msgid.link/20250923190850.1022773-1-jmoroni@google.com Acked-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-10-19RDMA/bnxt_re: Fix a potential memory leak in destroy_gsi_sqpYanLong Dai1-8/+3
The current error handling path in bnxt_re_destroy_gsi_sqp() could lead to a resource leak. When bnxt_qplib_destroy_qp() fails, the function jumps to the 'fail' label and returns immediately, skipping the call to bnxt_qplib_free_qp_res(). Continue the resource teardown even if bnxt_qplib_destroy_qp() fails, which aligns with the driver's general error handling strategy and prevents the potential leak. Fixes: 8dae419f9ec73 ("RDMA/bnxt_re: Refactor queue pair creation code") Signed-off-by: YanLong Dai <daiyanlong@kylinos.cn> Link: https://patch.msgid.link/20250924061444.11288-1-daiyanlong@kylinos.cn Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-10-03Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds86-1299/+14566
Pull rdma updates from Jason Gunthorpe: "A new Pensando ionic driver, a new Gen 3 HW support for Intel irdma, and lots of small bnxt_re improvements. - Small bug fixes and improves to hfi1, efa, mlx5, erdma, rdmarvt, siw - Allow userspace access to IB service records through the rdmacm - Optimize dma mapping for erdma - Fix shutdown of the GSI QP in mana - Support relaxed ordering MR and fix a corruption bug with mlx5 DMA Data Direct - Many improvement to bnxt_re: - Debugging features and counters - Improve performance of some commands - Change flow_label reporting in completions - Mirror vnic - RDMA flow support - New RDMA driver for Pensando Ethernet devices: ionic - Gen 3 hardware support for the Intel irdma driver - Fix rdma routing resolution with VRFs" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (85 commits) RDMA/ionic: Fix memory leak of admin q_wr RDMA/siw: Always report immediate post SQ errors RDMA/bnxt_re: improve clarity in ALLOC_PAGE handler RDMA/irdma: Remove unused struct irdma_cq fields RDMA/irdma: Fix positive vs negative error codes in irdma_post_send() RDMA/bnxt_re: Remove non-statistics counters from hw_counters RDMA/bnxt_re: Add debugfs info entry for device and resource information RDMA/bnxt_re: Fix incorrect errno used in function comments RDMA: Use %pe format specifier for error pointers RDMA/ionic: Use ether_addr_copy instead of memcpy RDMA/ionic: Fix build failure on SPARC due to xchg() operand size RDMA/rxe: Fix race in do_task() when draining IB/sa: Fix sa_local_svc_timeout_ms read race IB/ipoib: Ignore L3 master device RDMA/core: Use route entry flag to decide on loopback traffic RDMA/core: Resolve MAC of next-hop device without ARP support RDMA/core: Squash a single user static function RDMA/irdma: Update Kconfig RDMA/irdma: Extend CQE Error and Flush Handling for GEN3 Devices RDMA/irdma: Add Atomic Operations support ...
2025-09-26RDMA/ionic: Fix memory leak of admin q_wrAbhijit Gangurde1-0/+1
The admin queue work request buffer, aq->q_wr, is allocated via kcalloc in __ionic_create_rdma_adminq. However, it was not being freed in the corresponding teardown function __ionic_destroy_rdma_adminq. This results in a memory leak. Fix this leak by adding the missing kfree(aq->q_wr) in the destruction path. Fixes: f3bdbd42702c ("RDMA/ionic: Create device queues to support admin operations") Link: https://patch.msgid.link/r/20250924142123.18344-1-abhijit.gangurde@amd.com Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2025-09-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-0/+1
Cross-merge networking fixes after downstream PR (net-6.17-rc8). Conflicts: drivers/net/can/spi/hi311x.c 6b6968084721 ("can: hi311x: fix null pointer dereference when resuming from sleep before interface was enabled") 27ce71e1ce81 ("net: WQ_PERCPU added to alloc_workqueue users") https://lore.kernel.org/72ce7599-1b5b-464a-a5de-228ff9724701@kernel.org net/smc/smc_loopback.c drivers/dibs/dibs_loopback.c a35c04de2565 ("net/smc: fix warning in smc_rx_splice() when calling get_page()") cc21191b584c ("dibs: Move data path to dibs layer") https://lore.kernel.org/74368a5c-48ac-4f8e-a198-40ec1ed3cf5f@kernel.org Adjacent changes: drivers/net/dsa/lantiq/lantiq_gswip.c c0054b25e2f1 ("net: dsa: lantiq_gswip: move gswip_add_single_port_br() call to port_setup()") 7a1eaef0a791 ("net: dsa: lantiq_gswip: support model-specific mac_select_pcs()") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-24RDMA/bnxt_re: improve clarity in ALLOC_PAGE handlerAlok Tiwari1-1/+1
Update uverbs_copy_to call to use sizeof(dpi) instead of sizeof(length) when copying the device page index (DPI) back to user space. Both dpi and length are declared as u32, so this change has no functional impact but makes the code clearer. Link: https://patch.msgid.link/r/20250924110130.340195-1-alok.a.tiwari@oracle.com Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com> Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2025-09-24RDMA/irdma: Remove unused struct irdma_cq fieldsJacob Moroni2-9/+0
These fields were set but not used anywhere, so remove them. Link: https://patch.msgid.link/r/20250923142128.943240-1-jmoroni@google.com Signed-off-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2025-09-24RDMA/irdma: Fix positive vs negative error codes in irdma_post_send()Dan Carpenter1-2/+2
This code accidentally returns positive EINVAL instead of negative -EINVAL. Some of the callers treat positive returns as success. Add the missing '-' char. Fixes: a24a29c8747f ("RDMA/irdma: Add Atomic Operations support") Link: https://patch.msgid.link/r/aNKCjcD6Nab1jWEV@stanley.mountain Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2025-09-24RDMA/bnxt_re: Remove non-statistics counters from hw_countersAnantha Prabhu2-81/+0
Remove non-statistics counters from the RDMA hw_counters framework. The removed data includes: - Active resource counts (ACTIVE_PD, ACTIVE_QP, etc.) - Resource watermarks (WATERMARK_PD, WATERMARK_QP, etc.) - Operational counters (RESIZE_CQ_CNT) - DB pacing metrics (PACING_RESCHED, PACING_CMPL, etc.) This change ensures hw_counters contains only true performance and error statistics. Link: https://patch.msgid.link/r/20250923062657.981487-3-kalesh-anakkur.purayil@broadcom.com Signed-off-by: Anantha Prabhu <anantha.prabhu@broadcom.com> Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2025-09-24RDMA/bnxt_re: Add debugfs info entry for device and resource informationAnantha Prabhu1-0/+37
Add a new debugfs info entry that displays device information and non-statistics data using the seq_file interface. This entry shows: - Resource watermarks (peak usage tracking) - Operational counters (CQ resize count) - Doorbell pacing information Link: https://patch.msgid.link/r/20250923062657.981487-2-kalesh-anakkur.purayil@broadcom.com Signed-off-by: Anantha Prabhu <anantha.prabhu@broadcom.com> Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2025-09-21RDMA/bnxt_re: Fix incorrect errno used in function commentsAlok Tiwari1-2/+2
The function comments in qplib_rcfw.c mention -ETIMEOUT as a possible return value. However, the correct errno is -ETIMEDOUT. Update the comments to reflect the proper return value to avoid confusion for developers and users referring to the code. Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com> Link: https://patch.msgid.link/20250921081854.1059094-1-alok.a.tiwari@oracle.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-21RDMA: Use %pe format specifier for error pointersLeon Romanovsky18-54/+64
Convert error logging throughout the RDMA subsystem to use the %pe format specifier instead of PTR_ERR() with integer format specifiers. Link: https://patch.msgid.link/e81ec02df1e474be20417fb62e779776e3f47a50.1758217936.git.leon@kernel.org Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev> Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
2025-09-21RDMA/ionic: Use ether_addr_copy instead of memcpyAbhijit Gangurde1-1/+1
eth header from ib_ud_header structure packs the mac into 4B high and 2B low parts. But when 4B high is used in memcpy, it sees it as overflow. However, this is safe due to the 4B high and 2B low arrangement in the structure. To avoid the memcpy warning, use ether_addr_copy to copy the mac address. In function ‘fortify_memcpy_chk’, inlined from ‘ionic_set_ah_attr.isra’ at drivers/infiniband/hw/ionic/ionic_controlpath.c:609:3: ./include/linux/fortify-string.h:580:25: error: call to ‘__read_overflow2_field’ declared with attribute warning: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Werror=attribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors make[6]: *** [scripts/Makefile.build:287: drivers/infiniband/hw/ionic/ionic_controlpath.o] Error 1 make[5]: *** [scripts/Makefile.build:556: drivers/infiniband/hw/ionic] Error 2 make[5]: *** Waiting for unfinished jobs.... make[4]: *** [scripts/Makefile.build:556: drivers/infiniband/hw] Error 2 make[3]: *** [scripts/Makefile.build:556: drivers/infiniband] Error 2 make[2]: *** [scripts/Makefile.build:556: drivers] Error 2 make[1]: *** [/tmp/tmp53nb1nwr/Makefile:2011: .] Error 2 make: *** [Makefile:248: __sub-make] Error 2 Fixes: e8521822c733 ("RDMA/ionic: Register device ops for control path") Reported-by: Leon Romanovsky <leon@kernel.org> Closes: https://lore.kernel.org/lkml/20250918180750.GA135135@unreal/ Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com> Link: https://patch.msgid.link/20250919121301.1113759-2-abhijit.gangurde@amd.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-21RDMA/ionic: Fix build failure on SPARC due to xchg() operand sizeAbhijit Gangurde2-5/+5
xchg() is used to safely handle the event queue arming. However SPARC xchg operates only 4B of variable. Change variable type from bool to int. Unverified Error/Warning (likely false positive, kindly check if interested): ERROR: modpost: "__xchg_called_with_bad_pointer" [drivers/infiniband/hw/ionic/ionic_rdma.ko] undefined! Error/Warning ids grouped by kconfigs: recent_errors `-- sparc-allmodconfig `-- ERROR:__xchg_called_with_bad_pointer-drivers-infiniband-hw-ionic-ionic_rdma.ko-undefined Fixes: f3bdbd42702c ("RDMA/ionic: Create device queues to support admin operations") Reported-by: Leon Romanovsky <leon@kernel.org> Closes: https://lore.kernel.org/lkml/20250918180750.GA135135@unreal/ Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com> Link: https://patch.msgid.link/20250919121301.1113759-1-abhijit.gangurde@amd.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-18RDMA/irdma: Update KconfigTatyana Nikolova1-3/+4
Update Kconfig to add dependency on idpf module and add IPU E2000 to the list of supported devices. Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-17-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-18RDMA/irdma: Extend CQE Error and Flush Handling for GEN3 DevicesShiraz Saleem7-188/+277
Enhance the CQE error and flush handling specific to GEN3 devices. Unlike GEN1/2 devices, which depend on software to generate completions in error, GEN3 devices leverage firmware to generate CQEs in error for all WQEs posted after a QP moves to an error state. Key changes include: - Updating the CQ poll logic to properly advance the CQ head in the event of a flush CQE. - Updating the flush logic for GEN3 to pass error WQE idx for SQ on an AE to flush out unprocessed WQEs in error. - Isolating the decoding of AE to flush codes into a separate routine irdma_ae_to_qp_err_code. This routine can now be leveraged to flush error CQEs on an AE and when error CQE is received for SRQ. Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-16-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-18RDMA/irdma: Add Atomic Operations supportFaisal Latif8-4/+207
Extend irdma to support atomic operations, namely Compare and Swap and Fetch and Add, for GEN3 devices. Signed-off-by: Faisal Latif <faisal.latif@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-15-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-18RDMA/irdma: Restrict Memory Window and CQE Timestamping to GEN3Shiraz Saleem1-16/+26
With the deprecation of Memory Window and Timestamping support in GEN2, move these features to be exclusive to GEN3. This iteration supports only Type2 Memory Windows. Additionally, it includes the reporting of the timestamp mask and Host Channel Adapter (HCA) core clock frequency via the query device verb. Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-14-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-18RDMA/irdma: Add SRQ supportFaisal Latif11-13/+1089
Implement verb API and UAPI changes to support SRQ functionality in GEN3 devices. Signed-off-by: Faisal Latif <faisal.latif@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-13-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-18RDMA/irdma: Support 64-byte CQEs and GEN3 CQE opcode decodingShiraz Saleem5-9/+48
Introduce support for 64-byte CQEs in GEN3 devices. Additionally, implement GEN3-specific CQE opcode decoding. Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-12-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-18RDMA/irdma: Add support for V2 HMC resource management schemeVinoth Kumar Chandra Mohan3-19/+130
HMC resource initialization is updated to support V1 or V2 approach based on the FW capability. In the V2 approach, driver receives the assigned HMC resources count and verifies if it will fit in the given local memory. If it doesn't fit, the driver load fails. Signed-off-by: Vinoth Kumar Chandra Mohan <vinoth.kumar.chandra.mohan@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-11-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-18RDMA/irdma: Extend QP context programming for GEN3Shiraz Saleem5-7/+215
Extend the QP context structure with support for new fields specific to GEN3 hardware capabilities. Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-10-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-18RDMA/irdma: Add GEN3 virtual QP1 supportShiraz Saleem6-22/+174
Add a new RDMA virtual channel op during QP1 creation that allow the Control Plane (CP) to virtualize a regular QP as QP1 on non-default RDMA capable vPorts. Additionally, the CP will return the Qsets to use on the ib_device of the vPort. Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-9-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-18RDMA/irdma: Introduce GEN3 vPort driver supportMustafa Ismail3-1/+131
In the IPU model, a function can host one or more logical network endpoints called vPorts. Each vPort may be associated with either a physical or an internal communication port, and can be RDMA capable. A vPort features a netdev and, if RDMA capable, must have an associated ib_dev. This change introduces a GEN3 auxiliary vPort driver responsible for registering a verbs device for every RDMA-capable vPort. Additionally, the UAPI is updated to prevent the binding of GEN3 devices to older user-space providers. Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-8-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-18RDMA/irdma: Add GEN3 HW statistics supportKrzysztof Czurylo5-61/+166
Plug into the unified HW statistics framework by adding a hardware statistics map array for GEN3, defining the HW-specific width and location for each counter in the statistics buffer. Signed-off-by: Krzysztof Czurylo <krzysztof.czurylo@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-7-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-18RDMA/irdma: Add GEN3 support for AEQ and CEQShiraz Saleem9-73/+338
Extend support for GEN3 devices by programming the necessary hardware IRQ registers and the updated descriptor fields for the Asynchronous Event Queue (AEQ) and Completion Event Queue (CEQ). Introduce a RDMA virtual channel operation with the Control Plane (CP) to associate interrupt vectors appropriately with AEQ and CEQ. Add new Asynchronous Event (AE) definitions specific to GEN3. Additionally, refactor the AEQ and CEQ setup into the irdma_ctrl_init_hw device control initialization routine. This completes the PCI device level initialization for RDMA in the core driver. Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-6-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-18RDMA/irdma: Add GEN3 CQP support with deferred completionsKrzysztof Czurylo7-15/+438
GEN3 introduces asynchronous handling of Control QP (CQP) operations to minimize head-of-line blocking. Create the CQP using the updated GEN3- specific descriptor fields and implement the necessary support for this deferred completion mechanism. Signed-off-by: Krzysztof Czurylo <krzysztof.czurylo@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-5-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-18RDMA/irdma: Discover and set up GEN3 hardware register layoutChristopher Bednarz12-15/+351
Discover the hardware register layout for GEN3 devices through an RDMA virtual channel operation with the Control Plane (CP). Set up the corresponding hardware attributes specific to GEN3 devices. Signed-off-by: Christopher Bednarz <christopher.n.bednarz@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-4-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-18RDMA/irdma: Add GEN3 core driver supportMustafa Ismail19-127/+1224
Introduce support for the GEN3 auxiliary core driver, which is responsible for initializing PCI-level RDMA resources. Facilitate host-driver communication with the device's Control Plane (CP) to discover capabilities and perform privileged operations through an RDMA-specific messaging interface built atop the IDPF mailbox and virtual channel protocol. Establish the RDMA virtual channel message interface and incorporate operations to retrieve the hardware version and discover capabilities from the CP. Additionally, set up the RDMA MMIO regions and initialize the RF structure. Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Co-developed-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-3-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-18RDMA/irdma: Refactor GEN2 auxiliary driverMustafa Ismail6-354/+360
Refactor the irdma auxiliary driver and associated interfaces out of main.c and into a standalone GEN2-specific source file and rename as gen_2 driver. This is in preparation for adding GEN3 auxiliary drivers. Each HW generation will have its own gen-specific interface file. Additionally, move the Address Handle hash table and associated locks under rf struct. This will allow GEN3 code to migrate to use it easily. Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Co-developed-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-2-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-17net/mlx5: Store the global doorbell in mlx5_privCosmin Ratiu1-2/+2
The global doorbell is used for more than just Ethernet resources, so move it out of mlx5e_hw_objs into a common place (mlx5_priv), to avoid non-Ethernet modules (e.g. HWS, ASO) depending on Ethernet structs. Use this opportunity to consolidate it with the 'uar' pointer already there, which was used as an RX doorbell. Underneath the 'uar' pointer is identical to 'bfreg->up', so store a single resource and use that instead. For CQ doorbells, care is taken to always use bfreg->up->index instead of bfreg->index, which may refer to a subsequent UAR page from the same ALLOC_UAR batch on some NICs. This paves the way for cleanly supporting multiple doorbells in the Ethernet driver. Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com> Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com> Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-15RDMA/mana_ib: Extend modify QPShiraz Saleem2-2/+18
Extend modify QP to support further attributes: local_ack_timeout, UD qkey, rate_limit, qp_access_flags, flow_label, max_rd_atomic. Signed-off-by: Shiraz Saleem <shirazsaleem@microsoft.com> Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1757923172-4475-1-git-send-email-kotaranov@linux.microsoft.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-11RDMA/bnxt_re: Avoid GID level QoS update from the driverShravya KN3-141/+0
The driver inserts a VLAN header into RoCE packets when the traffic was untagged by modifying the existing GID entries. This has caused the firmware to enforce only VLAN-based priority mappings, ignoring other valid priority configurations set via APP TLVs (e.g., DSCP selectors). Driver now has support for selecting the service level (vlan id) and traffic class (dscp) during modify_qp. So no need to override the priority update using the update gid method. Hence removing the code that handles the above operation. Signed-off-by: Shravya KN <shravya.k-n@broadcom.com> Link: https://patch.msgid.link/20250908094516.18222-3-kalesh-anakkur.purayil@broadcom.com Reviewed-by: Saravanan Vajravel <saravanan.vajravel@broadcom.com> Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-11RDMA/bnxt_re: Update sysfs entries with appropriate dataAnantha Prabhu2-2/+50
Updated the existing sysfs entries with correct data. This change is to align the behavior with our OOB driver. Added "board_id" sysfs entry which will provide the VPD Part number, if exists. Signed-off-by: Anantha Prabhu <anantha.prabhu@broadcom.com> Signed-off-by: Saravanan Vajravel <saravanan.vajravel@broadcom.com> Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com> Link: https://patch.msgid.link/20250908094516.18222-2-kalesh-anakkur.purayil@broadcom.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-11RDMA/ionic: Add Makefile/Kconfig to kernel build environmentAbhijit Gangurde3-0/+25
Add ionic to the kernel build environment. Co-developed-by: Allen Hubbe <allen.hubbe@amd.com> Signed-off-by: Allen Hubbe <allen.hubbe@amd.com> Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com> Link: https://patch.msgid.link/20250903061606.4139957-15-abhijit.gangurde@amd.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-11RDMA/ionic: Implement device stats opsAbhijit Gangurde4-0/+554
Implement device stats operations for hw stats and qp stats. Co-developed-by: Allen Hubbe <allen.hubbe@amd.com> Signed-off-by: Allen Hubbe <allen.hubbe@amd.com> Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com> Link: https://patch.msgid.link/20250903061606.4139957-14-abhijit.gangurde@amd.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-11RDMA/ionic: Register device ops for miscellaneous functionalityAbhijit Gangurde4-0/+217
Implement idbdev ops for device and port information. Co-developed-by: Andrew Boyer <andrew.boyer@amd.com> Signed-off-by: Andrew Boyer <andrew.boyer@amd.com> Co-developed-by: Allen Hubbe <allen.hubbe@amd.com> Signed-off-by: Allen Hubbe <allen.hubbe@amd.com> Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com> Link: https://patch.msgid.link/20250903061606.4139957-13-abhijit.gangurde@amd.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-11RDMA/ionic: Register device ops for datapathAbhijit Gangurde5-0/+1534
Implement device supported verb APIs for datapath. Co-developed-by: Andrew Boyer <andrew.boyer@amd.com> Signed-off-by: Andrew Boyer <andrew.boyer@amd.com> Co-developed-by: Allen Hubbe <allen.hubbe@amd.com> Signed-off-by: Allen Hubbe <allen.hubbe@amd.com> Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com> Link: https://patch.msgid.link/20250903061606.4139957-12-abhijit.gangurde@amd.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-11RDMA/ionic: Register device ops for control pathAbhijit Gangurde6-9/+3626
Implement device supported verb APIs for control path. Co-developed-by: Andrew Boyer <andrew.boyer@amd.com> Signed-off-by: Andrew Boyer <andrew.boyer@amd.com> Co-developed-by: Allen Hubbe <allen.hubbe@amd.com> Signed-off-by: Allen Hubbe <allen.hubbe@amd.com> Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com> Link: https://patch.msgid.link/20250903061606.4139957-11-abhijit.gangurde@amd.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-11RDMA/ionic: Create device queues to support admin operationsAbhijit Gangurde9-0/+2300
Setup RDMA admin queues using device command exposed over auxiliary device and manage these queues using ida. Co-developed-by: Andrew Boyer <andrew.boyer@amd.com> Signed-off-by: Andrew Boyer <andrew.boyer@amd.com> Co-developed-by: Allen Hubbe <allen.hubbe@amd.com> Signed-off-by: Allen Hubbe <allen.hubbe@amd.com> Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com> Link: https://patch.msgid.link/20250903061606.4139957-10-abhijit.gangurde@amd.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-11RDMA/ionic: Register auxiliary module for ionic ethernet adapterAbhijit Gangurde4-0/+314
Register auxiliary module to create ibdevice for ionic ethernet adapter. Co-developed-by: Andrew Boyer <andrew.boyer@amd.com> Signed-off-by: Andrew Boyer <andrew.boyer@amd.com> Co-developed-by: Allen Hubbe <allen.hubbe@amd.com> Signed-off-by: Allen Hubbe <allen.hubbe@amd.com> Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com> Link: https://patch.msgid.link/20250903061606.4139957-9-abhijit.gangurde@amd.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-11RDMA/bnxt_re: Call strscpy() with correct size argumentThorsten Blum1-2/+1
In bnxt_re_register_ib(), strscpy() is called with the length of the source string rather than the size of the destination buffer. This is fine as long as the destination buffer is larger than the source string, but we should still use the destination buffer size instead to call strscpy() as intended. And since 'node_desc' has a fixed size, we can safely omit the size argument and let strscpy() infer it using sizeof(). Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev> Link: https://patch.msgid.link/20250901150038.227036-2-thorsten.blum@linux.dev Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-09-11RDMA/mlx5: Fix page size bitmap calculation for KSM modeEdward Srouji1-0/+4
When using KSM (Key Scatter-gather Memory) access mode, the HW requires the IOVA to be aligned to the selected page size. Without this alignment, the HW may not function correctly. Currently, mlx5_umem_mkc_find_best_pgsz() does not filter out page sizes that would result in misaligned IOVAs for KSM mode. This can lead to selecting page sizes that are incompatible with the given IOVA. Fix this by filtering the page size bitmap when in KSM mode, keeping only page sizes to which the IOVA is aligned to. Fixes: fcfb03597b7d ("RDMA/mlx5: Align mkc page size capability check to PRM") Signed-off-by: Edward Srouji <edwards@nvidia.com> Link: https://patch.msgid.link/20250824144839.154717-1-edwards@nvidia.com Reviewed-by: Michael Guralnik <michaelgur@nvidia.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-11 22:23:13 +0000