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* ethernet: constify references to netdev->dev_addr in driversJakub Kicinski2021-10-141-1/+2
| | | | | | | | | | | | | | | | | | | | | This big patch sprinkles const on local variables and function arguments which may refer to netdev->dev_addr. 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 got through appropriate helpers. Some of the changes here are not strictly required - const is sometimes cast off but pointer is not used for writing. It seems like it's still better to add the const in case the code changes later or relevant -W flags get enabled for the build. No functional changes. Link: https://lore.kernel.org/r/20211014142432.449314-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* RDMA/qedr: Remove fbo and zbva from the MRJason Gunthorpe2020-09-111-2/+0
| | | | | | | | | | | zbva is always false, so fbo is never read. A 'zero-based-virtual-address' is simply IOVA == 0, and the driver already supports this. Link: https://lore.kernel.org/r/16-v2-270386b7e60b+28f4-umem_1_jgg@nvidia.com Acked-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
* net: qed: update copyright yearsAlexander Lobakin2020-06-301-0/+1
| | | | | | | | Set the actual copyright holder and years in all qed source files. Signed-off-by: Alexander Lobakin <alobakin@marvell.com> Signed-off-by: Igor Russkikh <irusskikh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: qed: convert to SPDX License IdentifiersAlexander Lobakin2020-06-301-28/+2
| | | | | | | | | | | QLogic QED drivers source code is dual licensed under GPL-2.0/BSD-3-Clause. Remove all the boilerplates in the existing code and replace it with the correct SPDX tag. Signed-off-by: Alexander Lobakin <alobakin@marvell.com> Signed-off-by: Igor Russkikh <irusskikh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds2020-06-051-1/+0
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull rdma updates from Jason Gunthorpe: "A more active cycle than most of the recent past, with a few large, long discussed works this time. The RNBD block driver has been posted for nearly two years now, and flowing through RDMA due to it also introducing a new ULP. The removal of FMR has been a recurring discussion theme for a long time. And the usual smattering of features and bug fixes. Summary: - Various small driver bugs fixes in rxe, mlx5, hfi1, and efa - Continuing driver cleanups in bnxt_re, hns - Big cleanup of mlx5 QP creation flows - More consistent use of src port and flow label when LAG is used and a mlx5 implementation - Additional set of cleanups for IB CM - 'RNBD' network block driver and target. This is a network block RDMA device specific to ionos's cloud environment. It brings strong multipath and resiliency capabilities. - Accelerated IPoIB for HFI1 - QP/WQ/SRQ ioctl migration for uverbs, and support for multiple async fds - Support for exchanging the new IBTA defiend ECE data during RDMA CM exchanges - Removal of the very old and insecure FMR interface from all ULPs and drivers. FRWR should be preferred for at least a decade now" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (247 commits) RDMA/cm: Spurious WARNING triggered in cm_destroy_id() RDMA/mlx5: Return ECE DC support RDMA/mlx5: Don't rely on FW to set zeros in ECE response RDMA/mlx5: Return an error if copy_to_user fails IB/hfi1: Use free_netdev() in hfi1_netdev_free() RDMA/hns: Uninitialized variable in modify_qp_init_to_rtr() RDMA/core: Move and rename trace_cm_id_create() IB/hfi1: Fix hfi1_netdev_rx_init() error handling RDMA: Remove 'max_map_per_fmr' RDMA: Remove 'max_fmr' RDMA/core: Remove FMR device ops RDMA/rdmavt: Remove FMR memory registration RDMA/mthca: Remove FMR support for memory registration RDMA/mlx4: Remove FMR support for memory registration RDMA/i40iw: Remove FMR leftovers RDMA/bnxt_re: Remove FMR leftovers RDMA/mlx5: Remove FMR leftovers RDMA/core: Remove FMR pool API RDMA/rds: Remove FMR support for memory registration RDMA/srp: Remove support for FMR memory registration ...
| * RDMA: Remove 'max_fmr'Jason Gunthorpe2020-06-021-1/+0
| | | | | | | | | | | | | | | | | | | | Now that FMR support is gone, this attribute can be deleted from all places. Link: https://lore.kernel.org/r/12-v3-f58e6669d5d3+2cf-fmr_removal_jgg@mellanox.com Reviewed-by: Max Gurtovoy <maxg@mellanox.com> Reviewed-by: Bernard Metzler <bmt@zurich.ibm.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
* | qed: Add EDPM mode type for user-fw compatibilityYuval Basson2020-05-261-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In older FW versions the completion flag was treated as the ack flag in edpm messages. Expose the FW option of setting which mode the QP is in by adding a flag to the qedr <-> qed API. Flag is added for backward compatibility with libqedr. This flag will be set by qedr after determining whether the libqedr is using the updated version. Fixes: f10939403352 ("qed: Add support for QP verbs") Signed-off-by: Yuval Basson <yuval.bason@marvell.com> Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qed: Add XRC to RoCEYuval Basson2020-05-211-0/+19
|/ | | | | | | | | | | | | | Add support for XRC-SRQ's and XRC-QP's for upper layer driver. We maintain separate bitmaps for resource management for srq and xrc-srq, However, the range in FW is one, The xrc-srq's are first and then the srq's follow. Therefore we maintain a srq-id offset. v2: perform cleanups if XRC bitmpas allocation fail. Signed-off-by: Michal Kalderon <mkalderon@marvell.com> Signed-off-by: Yuval Bason <ybason@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed*: Change dpi_addr to be denoted with __iomemMichal Kalderon2019-07-251-1/+1
| | | | | | | | | | | | Several casts were required around dpi_addr parameter in qed_rdma_if.h This is an address on the doorbell bar and should therefore be marked with __iomem. Link: https://lore.kernel.org/r/20190709141735.19193-5-michal.kalderon@marvell.com Reported-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Ariel Elior <ariel.elior@marvell.com> Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
* qed*: Add iWARP 100g supportMichal Kalderon2019-05-261-0/+2
| | | | | | | | | | | Add iWARP engine affinity setting for supporting iWARP over 100g. iWARP cannot be distinguished by the LLH from L2, hence the engine division will affect L2 as well. For this reason we add a parameter to devlink to determine the engine division. Signed-off-by: Ariel Elior <ariel.elior@marvell.com> Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* RDMA/qedr: Remove enumerated type qed_roce_ll2_tx_destNathan Chancellor2018-09-301-10/+1
| | | | | | | | | | | | | | | | | | | | | | Clang warns when one enumerated type is explicitly converted to another. drivers/infiniband/hw/qedr/qedr_roce_cm.c:198:28: warning: implicit conversion from enumeration type 'enum qed_roce_ll2_tx_dest' to different enumeration type 'enum qed_ll2_tx_dest' [-Wenum-conversion] ll2_tx_pkt.tx_dest = pkt->tx_dest; ~ ~~~~~^~~~~~~ 1 warning generated. Turns out that QED_ROCE_LL2_TX_DEST_NW and QED_ROCE_LL2_TX_DEST_LB are only used once in the whole tree and QED_ROCE_LL2_TX_DEST_MAX is used nowhere. Remove them and use the equivalent values from qed_ll2_tx_dest in their place. Reported-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Acked-by: Michal Kalderon <michal.kalderon@cavium.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
* qed*: Utilize FW 8.37.2.0Michal Kalderon2018-06-051-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | This FW contains several fixes and features. RDMA - Several modifications and fixes for Memory Windows - drop vlan and tcp timestamp from mss calculation in driver for this FW - Fix SQ completion flow when local ack timeout is infinite - Modifications in t10dif support ETH - Fix aRFS for tunneled traffic without inner IP. - Fix chip configuration which may fail under heavy traffic conditions. - Support receiving any-VNI in VXLAN and GENEVE RX classification. iSCSI / FcoE - Fix iSCSI recovery flow - Drop vlan and tcp timestamp from mss calc for fw 8.37.2.0 Misc - Several registers (split registers) won't read correctly with ethtool -d Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com> Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Add srq core support for RoCE and iWARPYuval Bason2018-06-041-1/+11
| | | | | | | | | | This patch adds support for configuring SRQ and provides the necessary APIs for rdma upper layer driver (qedr) to enable the SRQ feature. Signed-off-by: Michal Kalderon <michal.kalderon@cavium.com> Signed-off-by: Ariel Elior <ariel.elior@cavium.com> Signed-off-by: Yuval Bason <yuval.bason@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: iWARP CM add error handlingKalderon, Michal2017-07-031-0/+9
| | | | | | | | | | This patch introduces error handling for errors that occurred during connection establishment. Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: iWARP implement disconnect flowsKalderon, Michal2017-07-031-0/+2
| | | | | | | | | | | | | This patch takes care of active/passive disconnect flows. Disconnect flows can be initiated remotely, in which case a async event will arrive from peer and indicated to qedr driver. These are referred to as exceptions. When a QP is destroyed, it needs to check that it's associated ep has been closed. Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: iWARP CM add active side connectKalderon, Michal2017-07-031-0/+26
| | | | | | | | | | | | This patch implements the active side connect. Offload a connection, process MPA reply and send RTR. In some of the common passive/active functions, the active side will work in blocking mode. Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: iWARP CM add passive side connectKalderon, Michal2017-07-031-1/+25
| | | | | | | | | | | | | | This patch implements the passive side connect. It addresses pre-allocating resources, creating a connection element upon valid SYN packet received. Calling upper layer and implementation of the accept/reject calls. Error handling is not part of this patch. Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: iWARP CM add listener functions and initial SYN processingKalderon, Michal2017-07-031-0/+52
| | | | | | | | | | | This patch adds the ability to add and remove listeners and identify whether the SYN packet received is intended for iWARP or not. If a listener is not found the SYN packet is posted back to the chip. Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Implement iWARP initialization, teardown and qp operationsKalderon, Michal2017-07-031-0/+1
| | | | | | | | | | | | | This patch adds iWARP support for flows that have common code between RoCE and iWARP, such as initialization, teardown and qp setup verbs: create, destroy, modify, query. It introduces the iWARP specific files qed_iwarp.[ch] and iwarp_common.h Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed*: Rename qed_roce_if.h to qed_rdma_if.hKalderon, Michal2017-06-211-0/+582
Rename the qed_roce_if file to qed_rdma_if as it represents a common interface for RoCE and iWARP. this commit affects RDMA/qedr as well. Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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