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2018-12-18IB/mlx4: Utilize macro to calculate SQ spare sizeYuval Shaia1-1/+1
The macro MLX4_IB_SQ_HEADROOM calculates the spare room needed to be left. Use it instead of hard-coding the HW prefetch size. Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-18RDMA/hns: Fix an error code in hns_roce_create_srq()Dan Carpenter1-0/+1
The function accidentally returns success on this error path. Fixes: c7bcb13442e1 ("RDMA/hns: Add SRQ support for hip08 kernel mode") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-18IB/qib: Fix an error code in qib_sdma_verbs_send()Dan Carpenter1-1/+3
We accidentally return success on this error path. Fixes: f931551bafe1 ("IB/qib: Add new qib driver for QLogic PCIe InfiniBand adapters") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-18RDMA/core: Delete RoCE GID in hw when corresponding IP is deletedParav Pandit1-4/+3
Currently a RoCE GID entry is removed from the hardware when all references to the GID entry drop to zero. This is a change in behavior from before the fixed patch. The GID entry should be removed from the hardware when GID entry deletion is requested. This allows the driver terminate ongoing traffic through the RoCE GID. While a GID is deleted from the hardware, GID slot in the software GID cache is not freed. GID slot is freed once all references of such GID are dropped. This continue to ensure that such GID slot of hardware is not allocated to new GID entry allocation request. It is allocated once all references to GID entry drop. This approach allows drivers to put a tombestone of some kind on the HW GID index to block the traffic. Fixes: b150c3862d21 ("IB/core: Introduce GID entry reference counts") Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-18RDMA/mlx5: Fix function name typo 'fileds' -> 'fields'Gal Pressman1-4/+4
Fix typo in 'set_mr_fileds' -> 'set_mr_fields'. Signed-off-by: Gal Pressman <galpress@amazon.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-18RDMA/i40iw: Make sure to initialize ib_device_opsKamal Heib1-0/+1
The initialization of the ib_device_ops was dropped by mistake when rebasing the ib_device_ops series, this patch fixes that. Fixes: 15644f57cb66 ("RDMA/i40iw: Initialize ib_device_ops struct") Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-18RDMA/mlx5: Delete unreachable handle_atomic code by simplifying SW completionLeon Romanovsky3-100/+5
Handle atomic was left as unimplemented from 2013, remove the code till this part will be developed. Remove the dead code by simplifying SW completion logic which is supposed to be the same for send and receive paths. Fixes: e126ba97dba9 ("mlx5: Add driver for Mellanox Connect-IB adapters") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Tested-by: Stephen Rothwell <sfr@canb.auug.org.au> # compile tested Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-18RDMA/uverbs: Implement an ioctl that can call write and write_ex handlersJason Gunthorpe9-24/+100
Now that the handlers do not process their own udata we can make a sensible ioctl that wrappers them. The ioctl follows the same format as the write_ex() and has the user explicitly specify the core and driver in/out opaque structures and a command number. This works for all forms of write commands. Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2018-12-12MAINTAINERS: Update usnic driver maintainersParvi Kaustubhi1-0/+2
Add Nelson Escobar and myself as maintainers for drivers/infiniband/hw/usnic Signed-off-by: Parvi Kaustubhi <pkaustub@cisco.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-12RDMA: Start use ib_device_opsKamal Heib37-617/+353
Make all the required change to start use the ib_device_ops structure. Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-12RDMA/rdmavt: Initialize ib_device_ops structKamal Heib1-245/+54
Initialize ib_device_ops with the supported operations using ib_set_device_ops() and remove the use of check_driver_override(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-12RDMA/rxe: Initialize ib_device_ops structKamal Heib1-43/+47
Initialize ib_device_ops with the supported operations using ib_set_device_ops(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-12RDMA/vmw_pvrdma: Initialize ib_device_ops structKamal Heib1-37/+45
Initialize ib_device_ops with the supported operations using ib_set_device_ops(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-12RDMA/usnic: Initialize ib_device_ops structKamal Heib1-29/+32
Initialize ib_device_ops with the supported operations using ib_set_device_ops(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-12RDMA/qib: Initialize ib_device_ops structKamal Heib1-2/+6
Initialize ib_device_ops with the supported operations using ib_set_device_ops(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-12RDMA/qedr: Initialize ib_device_ops structKamal Heib1-51/+52
Initialize ib_device_ops with the supported operations using ib_set_device_ops(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-12RDMA/ocrdma: Initialize ib_device_ops structKamal Heib1-46/+46
Initialize ib_device_ops with the supported operations using ib_set_device_ops(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-12RDMA/nes: Initialize ib_device_ops structKamal Heib1-32/+35
Initialize ib_device_ops with the supported operations using ib_set_device_ops(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-12RDMA/mthca: Initialize ib_device_ops structKamal Heib1-51/+88
Initialize ib_device_ops with the supported operations using ib_set_device_ops(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-12RDMA/mlx5: Initialize ib_device_ops structKamal Heib1-96/+131
Initialize ib_device_ops with the supported operations using ib_set_device_ops(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/mlx4: Initialize ib_device_ops structKamal Heib1-79/+99
Initialize ib_device_ops with the supported operations using ib_set_device_ops(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/i40iw: Initialize ib_device_ops structKamal Heib1-30/+33
Initialize ib_device_ops with the supported operations using ib_set_device_ops(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/hns: Initialize ib_device_ops structKamal Heib4-58/+87
Initialize ib_device_ops with the supported operations using ib_set_device_ops(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/hfi1: Initialize ib_device_ops structKamal Heib1-7/+11
Initialize ib_device_ops with the supported operations using ib_set_device_ops(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/cxgb4: Initialize ib_device_ops structKamal Heib1-35/+39
Initialize ib_device_ops with the supported operations using ib_set_device_ops(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/cxgb3: Initialize ib_device_ops structKamal Heib1-30/+34
Initialize ib_device_ops with the supported operations using ib_set_device_ops(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/bnxt_re: Initialize ib_device_ops structKamal Heib1-51/+45
Initialize ib_device_ops with the supported operations using ib_set_device_ops(). Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/core: Introduce ib_device_opsKamal Heib2-0/+340
This change introduces the ib_device_ops structure that defines all the InfiniBand device operations in one place, so the code will be more readable and clean, unlike today when the ops are mixed with ib_device data members. The providers will need to define the supported operations and assign them using ib_set_device_ops(), that will also make the providers code more readable and clean. Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11IB/mlx4: Remove unneeded NULL checkYuval Shaia1-3/+3
NULL check for kfree is unnecessary, remove it. Fixes: b42dde478bca ("IB/mlx4: Rework special QP creation error path") Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/ocrdma: Use PCI-ID as an identification in debugfsLeon Romanovsky1-2/+3
In opposite to current implementation of identification based on device name, PCI-ID identification provides stable names suitable for device rename. Change ocrdma debugfs representation to use PCI-ID. Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Acked-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/uverbs: Optimize clearing of extra bytes in responseLeon Romanovsky1-6/+8
Clear extra bytes in response in batch manner instead of doing it per-byte. Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/vmw_pvrdma: Use atomic memory allocation in create AHGal Pressman1-1/+1
Create address handle callback should not sleep, use GFP_ATOMIC instead of GFP_KERNEL for memory allocation. Fixes: 29c8d9eba550 ("IB: Add vmw_pvrdma driver") Cc: Adit Ranadive <aditr@vmware.com> Signed-off-by: Gal Pressman <galpress@amazon.com> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11IB/{mlx5,ocrdma,qedr,rxe}: Omit port validation from IB verbsYuval Shaia4-50/+1
RDMA core layer already make sure port is valid, no need to check it here again. For the pkey validation this depends on commit b3ac5742fead ("RDMA/core: Validate port number in query_pkey verb") Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Acked-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/mlx5: Fail early if user tries to create flows on IB representorsLeon Romanovsky2-8/+17
IB representors don't support creation of RAW ethernet QP flows. Disable them by reusing existing RDMA/core support macros. We do it for both creation and matcher because latter is not usable if no flow creation is available. Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11IB/mlx5: Remove duplicated include from mlx5_ib.hYueHaibing1-1/+0
Remove duplicated include. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11IB/mlx5: Add 2X width support to query_portMichael Guralnik2-1/+7
Report to the user 2x width over MAD interface. Signed-off-by: Michael Guralnik <michaelgur@mellanox.com> Reviewed-by: Majd Dibbiny <majd@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11Merge tag 'v4.20-rc6' into rdma.git for-nextJason Gunthorpe1305-7795/+15702
For dependencies in following patches.
2018-12-11IB/mlx5: Add HDR speed support to query portMichael Guralnik1-0/+5
Report HDR speed when HDR is supported in CapabilityMask2 and the actual speed is HDR. Signed-off-by: Michael Guralnik <michaelgur@mellanox.com> Reviewed-by: Majd Dibbiny <majd@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11IB/mlx5: Report CapabilityMask2 in ib_query_portMichael Guralnik3-2/+9
CapabilityMask2 exists when IB_PORT_CAP_MASK2_SUP is set in the original capability mask. In such cases, query its value and report it in query port. Signed-off-by: Michael Guralnik <michaelgur@mellanox.com> Reviewed-by: Majd Dibbiny <majd@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11IB/core: Add new IB ratesMichael Guralnik3-2/+18
Add the new rates that were added to Infiniband spec as part of HDR and 2x support. Signed-off-by: Michael Guralnik <michaelgur@mellanox.com> Reviewed-by: Majd Dibbiny <majd@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11IB/core: Add 2X port widthMichael Guralnik1-0/+2
Add the new 2X port width that is part of IB spec 1.3 Signed-off-by: Michael Guralnik <michaelgur@mellanox.com> Reviewed-by: Majd Dibbiny <majd@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11IB/core: Add CapabilityMask2 to port attributesMichael Guralnik2-0/+11
CapabilityMask2 was added in IB Spec 1.3 under PortInfo attribute. The new Capapbility mask is needed in order to expose the new 2X width and HDR speed. Signed-off-by: Michael Guralnik <michaelgur@mellanox.com> Reviewed-by: Majd Dibbiny <majd@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11IB/rxe: Fix incorrect cache cleanup in error flowYuval Shaia1-12/+14
Array iterator stays at the same slot, fix it. Fixes: 8700e3e7c485 ("Soft RoCE driver") Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Zhu Yanjun <yanjun.zhu@oracle.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/hns: Bugfix for RoCE loopback testLijun Ou2-0/+55
This patch implements a cmdq to enable the loopback of ssu module according to the modified hardware desgin. The ssu consists of ingress unit, packet buffer and programmable packet process unit. if the loopback bit of ssu is not enabled, the roce packet with loopback bit will fail. Signed-off-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/hns: Update posting & querying mailboxLijun Ou3-41/+59
This patch updates the implementation of the mailbox command interface by using command queue instead of operating registers. With this update, the software can be well decoupled with the hardware. Signed-off-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Yixian Liu <liuyixian@huawei.com> Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/hns: Fix the bug while use multi-hop of pblLijun Ou1-2/+2
It will prevent multiply overflow when defines the pbl for u64 type. Signed-off-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/hns: Encapsulate and simplify qp state transitionLijun Ou1-15/+16
This patch move the codes of qp state transition into the new function as well as simplify the logic for other qp states transition. Signed-off-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-11RDMA/hns: Init qp context when modify qp from reset to initLijun Ou1-0/+1
It needs to clear qp context previous when init qp context. Otherwise, the newly created qp context residue has the contents of the qp context before the uninstall, and the qp context content is disordered, causing the task to fail. Signed-off-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-09Linux 4.20-rc6Linus Torvalds1-1/+1
2018-12-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds83-368/+1225
Pull networking fixes from David Miller: "A decent batch of fixes here. I'd say about half are for problems that have existed for a while, and half are for new regressions added in the 4.20 merge window. 1) Fix 10G SFP phy module detection in mvpp2, from Baruch Siach. 2) Revert bogus emac driver change, from Benjamin Herrenschmidt. 3) Handle BPF exported data structure with pointers when building 32-bit userland, from Daniel Borkmann. 4) Memory leak fix in act_police, from Davide Caratti. 5) Check RX checksum offload in RX descriptors properly in aquantia driver, from Dmitry Bogdanov. 6) SKB unlink fix in various spots, from Edward Cree. 7) ndo_dflt_fdb_dump() only works with ethernet, enforce this, from Eric Dumazet. 8) Fix FID leak in mlxsw driver, from Ido Schimmel. 9) IOTLB locking fix in vhost, from Jean-Philippe Brucker. 10) Fix SKB truesize accounting in ipv4/ipv6/netfilter frag memory limits otherwise namespace exit can hang. From Jiri Wiesner. 11) Address block parsing length fixes in x25 from Martin Schiller. 12) IRQ and ring accounting fixes in bnxt_en, from Michael Chan. 13) For tun interfaces, only iface delete works with rtnl ops, enforce this by disallowing add. From Nicolas Dichtel. 14) Use after free in liquidio, from Pan Bian. 15) Fix SKB use after passing to netif_receive_skb(), from Prashant Bhole. 16) Static key accounting and other fixes in XPS from Sabrina Dubroca. 17) Partially initialized flow key passed to ip6_route_output(), from Shmulik Ladkani. 18) Fix RTNL deadlock during reset in ibmvnic driver, from Thomas Falcon. 19) Several small TCP fixes (off-by-one on window probe abort, NULL deref in tail loss probe, SNMP mis-estimations) from Yuchung Cheng" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (93 commits) net/sched: cls_flower: Reject duplicated rules also under skip_sw bnxt_en: Fix _bnxt_get_max_rings() for 57500 chips. bnxt_en: Fix NQ/CP rings accounting on the new 57500 chips. bnxt_en: Keep track of reserved IRQs. bnxt_en: Fix CNP CoS queue regression. net/mlx4_core: Correctly set PFC param if global pause is turned off. Revert "net/ibm/emac: wrong bit is used for STA control" neighbour: Avoid writing before skb->head in neigh_hh_output() ipv6: Check available headroom in ip6_xmit() even without options tcp: lack of available data can also cause TSO defer ipv6: sr: properly initialize flowi6 prior passing to ip6_route_output mlxsw: spectrum_switchdev: Fix VLAN device deletion via ioctl mlxsw: spectrum_router: Relax GRE decap matching check mlxsw: spectrum_switchdev: Avoid leaking FID's reference count mlxsw: spectrum_nve: Remove easily triggerable warnings ipv4: ipv6: netfilter: Adjust the frag mem limit when truesize changes sctp: frag_point sanity check tcp: fix NULL ref in tail loss probe tcp: Do not underestimate rwnd_limited net: use skb_list_del_init() to remove from RX sublists ...
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