kernel/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h, branch linux-6.18.y

bnxt_en: Remove unused macros in bnxt_ulp.h

2025-04-22T01:50:34Z

BNXT_ROCE_ULP and BNXT_MAX_ULP are no longer used. Remove them to clean up the code. Reviewed-by: Shruti Parab Signed-off-by: Kalesh AP Signed-off-by: Michael Chan Link: https://patch.msgid.link/20250417172448.1206107-5-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski

bnxt_en: Remove unused field "ref_count" in struct bnxt_ulp

2025-04-22T01:50:34Z

The "ref_count" field in struct bnxt_ulp is unused after commit a43c26fa2e6c ("RDMA/bnxt_re: Remove the sriov config callback"). So we can just remove it now. Reviewed-by: Somnath Kotur Signed-off-by: Kalesh AP Signed-off-by: Michael Chan Link: https://patch.msgid.link/20250417172448.1206107-4-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

2025-01-24T20:21:28Z

Pull rdma updates from Jason Gunthorpe: "Lighter that normal, but the now usual collection of driver fixes and small improvements: - Small fixes and minor improvements to cxgb4, bnxt_re, rxe, srp, efa, cxgb4 - Update mlx4 to use the new umem APIs, avoiding direct use of scatterlist - Support ROCEv2 in erdma - Remove various uncalled functions, constify bin_attribute - Provide core infrastructure to catch netdev events and route them to drivers, consolidating duplicated driver code - Fix rare race condition crashes in mlx5 ODP flows" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (63 commits) RDMA/mlx5: Fix implicit ODP use after free RDMA/mlx5: Fix a race for an ODP MR which leads to CQE with error RDMA/qib: Constify 'struct bin_attribute' RDMA/hfi1: Constify 'struct bin_attribute' RDMA/rxe: Fix the warning "__rxe_cleanup+0x12c/0x170 [rdma_rxe]" RDMA/cxgb4: Notify rdma stack for IB_EVENT_QP_LAST_WQE_REACHED event RDMA/bnxt_re: Allocate dev_attr information dynamically RDMA/bnxt_re: Pass the context for ulp_irq_stop RDMA/bnxt_re: Add support to handle DCB_CONFIG_CHANGE event RDMA/bnxt_re: Query firmware defaults of CC params during probe RDMA/bnxt_re: Add Async event handling support bnxt_en: Add ULP call to notify async events RDMA/mlx5: Fix indirect mkey ODP page count MAINTAINERS: Update the bnxt_re maintainers RDMA/hns: Clean up the legacy CONFIG_INFINIBAND_HNS RDMA/rtrs: Add missing deinit() call RDMA/efa: Align interrupt related fields to same type RDMA/bnxt_re: Fix to drop reference to the mmap entry in case of error RDMA/mlx5: Fix link status down event for MPV RDMA/erdma: Support create_ah/destroy_ah in non-sleepable contexts ...

RDMA/bnxt_re: Pass the context for ulp_irq_stop

2025-01-14T11:22:10Z

ulp_irq_stop() can be invoked from a context where FW is healthy or when FW is in a reset state. In the latter case, ULP must stop all interactions with HW/FW and also with application and stack. Added a new parameter to the ulp_irq_stop() function to achieve that. Reviewed-by: Vikas Gupta Reviewed-by: Michael Chan Reviewed-by: Chandramohan Akula Reviewed-by: Pavan Chebbi Signed-off-by: Kalesh AP Signed-off-by: Selvin Xavier Link: https://patch.msgid.link/1736446693-6692-2-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Leon Romanovsky

RDMA/bnxt_re: Add Async event handling support

2025-01-14T09:05:20Z

Using the option provided by Ethernet driver, register for FW Async event. During probe, while registeriung with Ethernet driver, provide the ulp hook 'ulp_async_notifier' for receiving the firmware events. Signed-off-by: Selvin Xavier Signed-off-by: Kalesh AP Link: https://patch.msgid.link/20250107024553.2926983-3-kalesh-anakkur.purayil@broadcom.com Signed-off-by: Leon Romanovsky

bnxt_en: Add ULP call to notify async events

2025-01-14T08:39:46Z

When the driver receives an async event notification from the Firmware, we make the new ulp_async_notifier() call to inform the RDMA driver that a firmware async event has been received. RDMA driver can then take necessary actions based on the event type. In the next patch, we will implement the ulp_async_notifier() callbacks in the RDMA driver. Signed-off-by: Michael Chan Signed-off-by: Selvin Xavier Signed-off-by: Kalesh AP Link: https://patch.msgid.link/20250107024553.2926983-2-kalesh-anakkur.purayil@broadcom.com Signed-off-by: Leon Romanovsky

bnxt_en: Use FW defined resource limits for RoCE

2024-12-20T01:30:00Z

If FW supports setting resource limits for RoCE, then just use the FW limits instead of using some fixed values in the driver. These limits will be used to allocate context memory for QP, SRQ, AH, and MR resources for RoCE. Reviewed-by: Damodharam Ammepalli Reviewed-by: Kalesh AP Signed-off-by: Hongguang Gao Signed-off-by: Selvin Xavier Signed-off-by: Michael Chan Link: https://patch.msgid.link/20241217182620.2454075-2-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski

RDMA/bnxt_re: Enhance RoCE SRIOV resource configuration design

2024-11-12T08:04:04Z

Refine RoCE SRIOV resource configuration design, using the INITIALIZE_FW's flag as an indication for the new design to the firmware. RoCE driver does not have to provision resources to VF when firmware advertises support for RoCE resource management by NIC driver. Signed-off-by: Bhargava Chenna Marreddy Signed-off-by: Kalesh AP Reviewed-by: Vikas Gupta Reviewed-by: Selvin Xavier CC: Michael Chan Signed-off-by: Selvin Xavier Link: https://patch.msgid.link/1730882676-24434-3-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Leon Romanovsky

bnxt_en: Increase the number of MSIX vectors for RoCE device

2024-09-11T01:42:45Z

If RocE is supported on the device, set the number of RoCE MSIX vectors to the number of online CPUs + 1 and capped at these maximums: VF: 2 NPAR: 5 PF: 64 For the PF, the maximum is now increased from the previous value of 9 to get better performance for kernel applications. Remove the unnecessary check for BNXT_FLAG_ROCE_CAP. bnxt_set_dflt_ulp_msix() will only be called if the flag is set. Reviewed-by: Andy Gospodarek Signed-off-by: Michael Chan Reviewed-by: Simon Horman Link: https://patch.msgid.link/20240909202737.93852-2-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski

bnxt_en: Add a mutex to synchronize ULP operations

2024-05-02T14:27:20Z

The current scheme relies heavily on the RTNL lock for all ULP operations between the L2 and the RoCE driver. Add a new en_dev_lock mutex so that the asynchronous ULP_STOP and ULP_START operations can be serialized with bnxt_register_dev() and bnxt_unregister_dev() calls without relying on the RTNL lock. The next patch will remove the RTNL lock from the ULP_STOP and ULP_START calls. Reviewed-by: Selvin Thyparampil Xavier Reviewed-by: Vikas Gupta Reviewed-by: Pavan Chebbi Signed-off-by: Kalesh AP Signed-off-by: Michael Chan Reviewed-by: Simon Horman Link: https://lore.kernel.org/r/20240501003056.100607-5-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski