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- Remove bouncing addresses from the MAINTAINERS file
- Kernel oops and bad error handling fixes for hfi, i40iw, cxgb4, and hns drivers
- Various small LOC behavioral/operational bugs in mlx5, hns, qedr and i40iw drivers
- Two fixes for patches already sent during the merge window
- A long standing bug related to not decreasing the pinned pages count in the right
MM was found and fixed
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"This is pretty much just the usual array of smallish driver bugs.
- remove bouncing addresses from the MAINTAINERS file
- kernel oops and bad error handling fixes for hfi, i40iw, cxgb4, and
hns drivers
- various small LOC behavioral/operational bugs in mlx5, hns, qedr
and i40iw drivers
- two fixes for patches already sent during the merge window
- a long-standing bug related to not decreasing the pinned pages
count in the right MM was found and fixed"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (28 commits)
RDMA/hns: Move the location for initializing tmp_len
RDMA/hns: Bugfix for cq record db for kernel
IB/uverbs: Fix uverbs_attr_get_obj
RDMA/qedr: Fix doorbell bar mapping for dpi > 1
IB/umem: Use the correct mm during ib_umem_release
iw_cxgb4: Fix an error handling path in 'c4iw_get_dma_mr()'
RDMA/i40iw: Avoid panic when reading back the IRQ affinity hint
RDMA/i40iw: Avoid reference leaks when processing the AEQ
RDMA/i40iw: Avoid panic when objects are being created and destroyed
RDMA/hns: Fix the bug with NULL pointer
RDMA/hns: Set NULL for __internal_mr
RDMA/hns: Enable inner_pa_vld filed of mpt
RDMA/hns: Set desc_dma_addr for zero when free cmq desc
RDMA/hns: Fix the bug with rq sge
RDMA/hns: Not support qp transition from reset to reset for hip06
RDMA/hns: Add return operation when configured global param fail
RDMA/hns: Update convert function of endian format
RDMA/hns: Load the RoCE dirver automatically
RDMA/hns: Bugfix for rq record db for kernel
RDMA/hns: Add rq inline flags judgement
...
Remove various prints of VMA pointers.
Reported-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Michal Kalderon <michal.kalderon@cavium.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This patch reports the device's capbilities to offload
encapsulated MPLS tunnel protocols to user-space:
- Capability to offload MPLS over GRE.
- Capability to offload MPLS over UDP.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Ariel Levkovich <lariel@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This patch introduces support for the MPLS flow spec and
allows the creation of rules that are matching on the
MPLS label.
Applying the rule matching depends on the flow specs order and
the location of the MPLS in the spec list as there are different
configurations to be made in the device in the cases of MPLSoGRE
and MPLSoUDP vs. non-encapsulated MPLS.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Ariel Levkovich <lariel@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This patch introduces support for the GRE flow spec and
allowing the creation of rules based on the protocol and
key fields that are part of GRE protocol header.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Ariel Levkovich <lariel@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Flow label is defined as u32 in the in ipv6 flow spec, but
used internally in the flow specs parsing as u8. That was
causing loss of part of flow_label value.
Fixes: 2d1e697e9b716 ('IB/mlx5: Add support to match inner packet fields')
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Daria Velikovsky <daria@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
- Various build fixes (USER_ACCESS=m and ADDR_TRANS turned off)
- SPDX license tag cleanups (new tag Linux-OpenIB)
- RoCE GID fixes related to default GIDs
- Various fixes to: cxgb4, uverbs, cma, iwpm, rxe, hns (big batch),
mlx4, mlx5, and hfi1 (medium batch)
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Doug Ledford:
"This is our first pull request of the rc cycle. It's not that it's
been overly quiet, we were just waiting on a few things before sending
this off.
For instance, the 6 patch series from Intel for the hfi1 driver had
actually been pulled in on Tuesday for a Wednesday pull request, only
to have Jason notice something I missed, so we held off for some
testing, and then on Thursday had to respin the series because the
very first patch needed a minor fix (unnecessary cast is all).
There is a sizable hns patch series in here, as well as a reasonably
largish hfi1 patch series, then all of the lines of uapi updates are
just the change to the new official Linux-OpenIB SPDX tag (a bunch of
our files had what amounts to a BSD-2-Clause + MIT Warranty statement
as their license as a result of the initial code submission years ago,
and the SPDX folks decided it was unique enough to warrant a unique
tag), then the typical mlx4 and mlx5 updates, and finally some cxgb4
and core/cache/cma updates to round out the bunch.
None of it was overly large by itself, but in the 2 1/2 weeks we've
been collecting patches, it has added up :-/.
As best I can tell, it's been through 0day (I got a notice about my
last for-next push, but not for my for-rc push, but Jason seems to
think that failure messages are prioritized and success messages not
so much). It's also been through linux-next. And yes, we did notice in
the context portion of the CMA query gid fix patch that there is a
dubious BUG_ON() in the code, and have plans to audit our BUG_ON usage
and remove it anywhere we can.
Summary:
- Various build fixes (USER_ACCESS=m and ADDR_TRANS turned off)
- SPDX license tag cleanups (new tag Linux-OpenIB)
- RoCE GID fixes related to default GIDs
- Various fixes to: cxgb4, uverbs, cma, iwpm, rxe, hns (big batch),
mlx4, mlx5, and hfi1 (medium batch)"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (52 commits)
RDMA/cma: Do not query GID during QP state transition to RTR
IB/mlx4: Fix integer overflow when calculating optimal MTT size
IB/hfi1: Fix memory leak in exception path in get_irq_affinity()
IB/{hfi1, rdmavt}: Fix memory leak in hfi1_alloc_devdata() upon failure
IB/hfi1: Fix NULL pointer dereference when invalid num_vls is used
IB/hfi1: Fix loss of BECN with AHG
IB/hfi1 Use correct type for num_user_context
IB/hfi1: Fix handling of FECN marked multicast packet
IB/core: Make ib_mad_client_id atomic
iw_cxgb4: Atomically flush per QP HW CQEs
IB/uverbs: Fix kernel crash during MR deregistration flow
IB/uverbs: Prevent reregistration of DM_MR to regular MR
RDMA/mlx4: Add missed RSS hash inner header flag
RDMA/hns: Fix a couple misspellings
RDMA/hns: Submit bad wr
RDMA/hns: Update assignment method for owner field of send wqe
RDMA/hns: Adjust the order of cleanup hem table
RDMA/hns: Only assign dqpn if IB_QP_PATH_DEST_QPN bit is set
RDMA/hns: Remove some unnecessary attr_mask judgement
RDMA/hns: Only assign mtu if IB_QP_PATH_MTU bit is set
...
Starting from commit 72f36be06138 ("net/mlx5: Fix mlx5_get_uars_page to
return error code") the mlx5_get_uars_page() call returns error in case
of failure, but it was mistakenly overlooked in the merge commit.
Fixes: e7996a9a77fc ("Merge tag v4.15 of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git")
Reported-by: Alaa Hleihel <alaa@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
In commit bcf87f1dbbec ("IB/mlx5: Listen to netdev register/unresiter events in switchdev mode")
incorrectly mapped primary device's netdevice to 2nd port netdevice.
It always represented primary port's netdevice for 2nd port netdevice
when ib representors were not used.
This results into failing to process CM request arriving on 2nd port due
to incorrect mapping of netdevice.
This fix corrects it by considering the right mdev.
Cc: <stable@vger.kernel.org> # 4.16
Fixes: bcf87f1dbbec ("IB/mlx5: Listen to netdev register/unresiter events in switchdev mode")
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Adding the vector offset when calling to mlx5_vector2eqn() is wrong.
This is because mlx5_vector2eqn() checks if EQ index is equal to vector number
and the fact that the internal completion vectors that mlx5 allocates
don't get an EQ index.
The second problem here is that using effective_affinity_mask gives the same
CPU for different vectors.
This leads to unmapped queues when calling it from blk_mq_rdma_map_queues().
This doesn't happen when using affinity_hint mask.
Fixes: 2572cf57d75a ("mlx5: fix mlx5_get_vector_affinity to start from completion vector 0")
Fixes: 05e0cc84e00c ("net/mlx5: Fix get vector affinity helper function")
Signed-off-by: Israel Rukshin <israelr@mellanox.com>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
The header file fs_helpers.h is included twice. So it should be removed.
Fixes: 802c2125689d ("IB/mlx5: Add IPsec support for egress and ingress")
CC: Srinivas Eeda <srinivas.eeda@oracle.com>
CC: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Acked-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
- Fix RDMA uapi headers to actually compile in userspace and be more
complete
- Three shared with netdev pull requests from Mellanox:
* 7 patches, mostly to net with 1 IB related one at the back). This
series addresses an IRQ performance issue (patch 1), cleanups related to
the fix for the IRQ performance problem (patches 2-6), and then extends
the fragmented completion queue support that already exists in the net
side of the driver to the ib side of the driver (patch 7).
* Mostly IB, with 5 patches to net that are needed to support the remaining
10 patches to the IB subsystem. This series extends the current
'representor' framework when the mlx5 driver is in switchdev mode from
being a netdev only construct to being a netdev/IB dev construct. The IB
dev is limited to raw Eth queue pairs only, but by having an IB dev of
this type attached to the representor for a switchdev port, it enables
DPDK to work on the switchdev device.
* All net related, but needed as infrastructure for the rdma driver
- Updates for the hns, i40iw, bnxt_re, cxgb3, cxgb4, hns drivers
- SRP performance updates
- IB uverbs write path cleanup patch series from Leon
- Add RDMA_CM support to ib_srpt. This is disabled by default. Users need to
set the port for ib_srpt to listen on in configfs in order for it to be
enabled (/sys/kernel/config/target/srpt/discovery_auth/rdma_cm_port)
- TSO and Scatter FCS support in mlx4
- Refactor of modify_qp routine to resolve problems seen while working on new
code that is forthcoming
- More refactoring and updates of RDMA CM for containers support from Parav
- mlx5 'fine grained packet pacing', 'ipsec offload' and 'device memory'
user API features
- Infrastructure updates for the new IOCTL interface, based on increased usage
- ABI compatibility bug fixes to fully support 32 bit userspace on 64 bit
kernel as was originally intended. See the commit messages for
extensive details
- Syzkaller bugs and code cleanups motivated by them
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Merge tag 'for-linus-unmerged' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"Doug and I are at a conference next week so if another PR is sent I
expect it to only be bug fixes. Parav noted yesterday that there are
some fringe case behavior changes in his work that he would like to
fix, and I see that Intel has a number of rc looking patches for HFI1
they posted yesterday.
Parav is again the biggest contributor by patch count with his ongoing
work to enable container support in the RDMA stack, followed by Leon
doing syzkaller inspired cleanups, though most of the actual fixing
went to RC.
There is one uncomfortable series here fixing the user ABI to actually
work as intended in 32 bit mode. There are lots of notes in the commit
messages, but the basic summary is we don't think there is an actual
32 bit kernel user of drivers/infiniband for several good reasons.
However we are seeing people want to use a 32 bit user space with 64
bit kernel, which didn't completely work today. So in fixing it we
required a 32 bit rxe user to upgrade their userspace. rxe users are
still already quite rare and we think a 32 bit one is non-existing.
- Fix RDMA uapi headers to actually compile in userspace and be more
complete
- Three shared with netdev pull requests from Mellanox:
* 7 patches, mostly to net with 1 IB related one at the back).
This series addresses an IRQ performance issue (patch 1),
cleanups related to the fix for the IRQ performance problem
(patches 2-6), and then extends the fragmented completion queue
support that already exists in the net side of the driver to the
ib side of the driver (patch 7).
* Mostly IB, with 5 patches to net that are needed to support the
remaining 10 patches to the IB subsystem. This series extends
the current 'representor' framework when the mlx5 driver is in
switchdev mode from being a netdev only construct to being a
netdev/IB dev construct. The IB dev is limited to raw Eth queue
pairs only, but by having an IB dev of this type attached to the
representor for a switchdev port, it enables DPDK to work on the
switchdev device.
* All net related, but needed as infrastructure for the rdma
driver
- Updates for the hns, i40iw, bnxt_re, cxgb3, cxgb4, hns drivers
- SRP performance updates
- IB uverbs write path cleanup patch series from Leon
- Add RDMA_CM support to ib_srpt. This is disabled by default. Users
need to set the port for ib_srpt to listen on in configfs in order
for it to be enabled
(/sys/kernel/config/target/srpt/discovery_auth/rdma_cm_port)
- TSO and Scatter FCS support in mlx4
- Refactor of modify_qp routine to resolve problems seen while
working on new code that is forthcoming
- More refactoring and updates of RDMA CM for containers support from
Parav
- mlx5 'fine grained packet pacing', 'ipsec offload' and 'device
memory' user API features
- Infrastructure updates for the new IOCTL interface, based on
increased usage
- ABI compatibility bug fixes to fully support 32 bit userspace on 64
bit kernel as was originally intended. See the commit messages for
extensive details
- Syzkaller bugs and code cleanups motivated by them"
* tag 'for-linus-unmerged' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (199 commits)
IB/rxe: Fix for oops in rxe_register_device on ppc64le arch
IB/mlx5: Device memory mr registration support
net/mlx5: Mkey creation command adjustments
IB/mlx5: Device memory support in mlx5_ib
net/mlx5: Query device memory capabilities
IB/uverbs: Add device memory registration ioctl support
IB/uverbs: Add alloc/free dm uverbs ioctl support
IB/uverbs: Add device memory capabilities reporting
IB/uverbs: Expose device memory capabilities to user
RDMA/qedr: Fix wmb usage in qedr
IB/rxe: Removed GID add/del dummy routines
RDMA/qedr: Zero stack memory before copying to user space
IB/mlx5: Add ability to hash by IPSEC_SPI when creating a TIR
IB/mlx5: Add information for querying IPsec capabilities
IB/mlx5: Add IPsec support for egress and ingress
{net,IB}/mlx5: Add ipsec helper
IB/mlx5: Add modify_flow_action_esp verb
IB/mlx5: Add implementation for create and destroy action_xfrm
IB/uverbs: Introduce ESP steering match filter
IB/uverbs: Add modify ESP flow_action
...
Adding mlx5_ib driver implementation for reg_dm_mr callback
which allows registering device memory (DM) as an MR for
local and remote access.
Signed-off-by: Ariel Levkovich <lariel@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This patch adds the mlx5_ib driver implementation for the device
memory allocation API.
It implements the ib_device callbacks for allocation and deallocation
operations as well as a new mmap command support which allows mapping
an allocated device memory to a VMA.
The change also adds reporting of device memory maximum size and
alignment parameters reported in device capabilities.
The allocation/deallocation operations are using new firmware
commands to allocate MEMIC memory on the device.
Signed-off-by: Ariel Levkovich <lariel@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
When a Raw Ethernet QP is created, we actually create a few objects.
One of these objects is a TIR. Currently, a TIR could hash (and spread
the traffic) by IP or port only. Adding a hashing by IPSec SPI to TIR
creation with the required UAPI bit.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Users should be able to query for IPSec support. Adding a few
capabilities bits as part of the driver specific part in
alloc_ucontext:
MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_REQ_METADATA
Payload's header is returned with metadata representing the
IPSec decryption state.
MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_RX
Support ESP_AES_GCM in ingress path.
MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_TX
Support ESP_AES_GCM in egress path.
MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_SPI_RSS_ONLY
Hardware doesn't support matching SPI in flow steering rules
but just hashing and spreading the traffic accordingly.
Signed-off-by: Aviad Yehezkel <aviadye@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit introduces support for the esp_aes_gcm flow
specification for the Innova device. To that end we add
support for egress steering and some validations that an
IPsec rule is indeed valid.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Aviad Yehezkel <aviadye@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Adding implementation in mlx5 driver to modify action_xfrm object. This
merely call the accel layer. Currently a user can modify only the
ESN parameters.
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Aviad Yehezkel <aviadye@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Adding implementation in mlx5 driver to create and destroy action_xfrm
object. This merely call the accel layer.
A user may pass MLX5_IB_XFRM_FLAGS_REQUIRE_METADATA flag which states
that [s]he expects a metadata header to be added to the payload. This
header represents information regarding the transformation's state.
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Aviad Yehezkel <aviadye@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
In order to have a custom parsing tree, a provider driver needs to
assign its parsing tree to ib_device specs_tree field. Otherwise, the
uverbs client assigns a common default parsing tree for it.
In downstream patches, the mlx5_ib driver gains a custom parsing tree,
which contains both the common objects and a new flags field for the
UVERBS_FLOW_ACTION_ESP_CREATE command.
This patch makes mlx5_ib assign its own tree to specs_root, which
later on will be extended.
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Now that ib_gid_attr contains device, port and index, simplify the
provider APIs add_gid() and del_gid() to use device, port and index
fields from the ib_gid_attr attributes structure.
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Now that IB core GID cache ensures that all RoCE entries have an
associated netdev remove null checks from the provider drivers for
clarity.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Minor conflicts in drivers/net/ethernet/mellanox/mlx5/core/en_rep.c,
we had some overlapping changes:
1) In 'net' MLX5E_PARAMS_LOG_{SQ,RQ}_SIZE -->
MLX5E_REP_PARAMS_LOG_{SQ,RQ}_SIZE
2) In 'net-next' params->log_rq_size is renamed to be
params->log_rq_mtu_frames.
3) In 'net-next' params->hard_mtu is added.
Signed-off-by: David S. Miller <davem@davemloft.net>
Fun set of conflict resolutions here...
For the mac80211 stuff, these were fortunately just parallel
adds. Trivially resolved.
In drivers/net/phy/phy.c we had a bug fix in 'net' that moved the
function phy_disable_interrupts() earlier in the file, whilst in
'net-next' the phy_error() call from this function was removed.
In net/ipv4/xfrm4_policy.c, David Ahern's changes to remove the
'rt_table_id' member of rtable collided with a bug fix in 'net' that
added a new struct member "rt_mtu_locked" which needs to be copied
over here.
The mlxsw driver conflict consisted of net-next separating
the span code and definitions into separate files, whilst
a 'net' bug fix made some changes to that moved code.
The mlx5 infiniband conflict resolution was quite non-trivial,
the RDMA tree's merge commit was used as a guide here, and
here are their notes:
====================
Due to bug fixes found by the syzkaller bot and taken into the for-rc
branch after development for the 4.17 merge window had already started
being taken into the for-next branch, there were fairly non-trivial
merge issues that would need to be resolved between the for-rc branch
and the for-next branch. This merge resolves those conflicts and
provides a unified base upon which ongoing development for 4.17 can
be based.
Conflicts:
drivers/infiniband/hw/mlx5/main.c - Commit 42cea83f9524
(IB/mlx5: Fix cleanup order on unload) added to for-rc and
commit b5ca15ad7e61 (IB/mlx5: Add proper representors support)
add as part of the devel cycle both needed to modify the
init/de-init functions used by mlx5. To support the new
representors, the new functions added by the cleanup patch
needed to be made non-static, and the init/de-init list
added by the representors patch needed to be modified to
match the init/de-init list changes made by the cleanup
patch.
Updates:
drivers/infiniband/hw/mlx5/mlx5_ib.h - Update function
prototypes added by representors patch to reflect new function
names as changed by cleanup patch
drivers/infiniband/hw/mlx5/ib_rep.c - Update init/de-init
stage list to match new order from cleanup patch
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In case we failed to create UMR resources, mark them as invalid so we
won't try to destroy them on the unwind path.
Add the relevant checks to destroy_umrc_res(), this is done for the
unlikely event ib_register_device() or create_umr_res() err out and we
try to destroy invalid objects.
Fixes: 42cea83f9524 ("IB/mlx5: Fix cleanup order on unload")
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Extending uverbs_ioctl header with driver_id and another reserved
field. driver_id should be used in order to identify the driver.
Since every driver could have its own parsing tree, this is necessary
for strace support.
Downstream patches take off the EXPERIMENTAL flag from the ioctl() IB
support and thus we add some reserved fields for future usage.
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Enable RAW QP to be able to configure burst control by modify_qp. By
using burst control with rate limiting, user can achieve best
performance and accuracy. The burst control information is passed by
user through udata.
This patch also reports burst control capability for mlx5 related
hardwares, burst control is only marked as supported when both
packet_pacing_burst_bound and packet_pacing_typical_size are
supported.
Signed-off-by: Bodong Wang <bodong@mellanox.com>
Reviewed-by: Daniel Jurgens <danielj@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Before commit f1b65df5a232 ("IB/mlx5: Add support for active_width and
active_speed in RoCE"), the mlx5_ib driver set the default active_width
and active_speed to IB_WIDTH_4X and IB_SPEED_QDR.
When the RoCE port is down, the RoCE port does not negotiate the active
width with the remote side, causing the active width to be zero. When
running userspace ibstat to view the port status, ibstat will panic as it
reads an invalid width from sys file.
This patch restores the original behavior.
Fixes: f1b65df5a232 ("IB/mlx5: Add support for active_width and active_speed in RoCE").
Signed-off-by: Honggang Li <honli@redhat.com>
Reviewed-by: Hal Rosenstock <hal@mellanox.com>
Reviewed-by: Noa Osherovich <noaos@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Due to bug fixes found by the syzkaller bot and taken into the for-rc
branch after development for the 4.17 merge window had already started
being taken into the for-next branch, there were fairly non-trivial
merge issues that would need to be resolved between the for-rc branch
and the for-next branch. This merge resolves those conflicts and
provides a unified base upon which ongoing development for 4.17 can
be based.
Conflicts:
drivers/infiniband/hw/mlx5/main.c - Commit 42cea83f9524
(IB/mlx5: Fix cleanup order on unload) added to for-rc and
commit b5ca15ad7e61 (IB/mlx5: Add proper representors support)
add as part of the devel cycle both needed to modify the
init/de-init functions used by mlx5. To support the new
representors, the new functions added by the cleanup patch
needed to be made non-static, and the init/de-init list
added by the representors patch needed to be modified to
match the init/de-init list changes made by the cleanup
patch.
Updates:
drivers/infiniband/hw/mlx5/mlx5_ib.h - Update function
prototypes added by representors patch to reflect new function
names as changed by cleanup patch
drivers/infiniband/hw/mlx5/ib_rep.c - Update init/de-init
stage list to match new order from cleanup patch
Signed-off-by: Doug Ledford <dledford@redhat.com>
On load we create private CQ/QP/PD in order to be used by UMR, we create
those resources after we register ourself as an IB device, and we destroy
them after we unregister as an IB device. This was changed by commit
16c1975f1032 ("IB/mlx5: Create profile infrastructure to add and remove
stages") which moved the destruction before we unregistration. This
allowed to trigger an invalid memory access when unloading mlx5_ib while
there are open resources:
BUG: unable to handle kernel paging request at 00000001002c012c
...
Call Trace:
mlx5_ib_post_send_wait+0x75/0x110 [mlx5_ib]
__slab_free+0x9a/0x2d0
delay_time_func+0x10/0x10 [mlx5_ib]
unreg_umr.isra.15+0x4b/0x50 [mlx5_ib]
mlx5_mr_cache_free+0x46/0x150 [mlx5_ib]
clean_mr+0xc9/0x190 [mlx5_ib]
dereg_mr+0xba/0xf0 [mlx5_ib]
ib_dereg_mr+0x13/0x20 [ib_core]
remove_commit_idr_uobject+0x16/0x70 [ib_uverbs]
uverbs_cleanup_ucontext+0xe8/0x1a0 [ib_uverbs]
ib_uverbs_cleanup_ucontext.isra.9+0x19/0x40 [ib_uverbs]
ib_uverbs_remove_one+0x162/0x2e0 [ib_uverbs]
ib_unregister_device+0xd4/0x190 [ib_core]
__mlx5_ib_remove+0x2e/0x40 [mlx5_ib]
mlx5_remove_device+0xf5/0x120 [mlx5_core]
mlx5_unregister_interface+0x37/0x90 [mlx5_core]
mlx5_ib_cleanup+0xc/0x225 [mlx5_ib]
SyS_delete_module+0x153/0x230
do_syscall_64+0x62/0x110
entry_SYSCALL_64_after_hwframe+0x21/0x86
...
We restore the original behavior by breaking the UMR stage into two parts,
pre and post IB registration stages, this way we can restore the original
functionality and maintain clean separation of logic between stages.
Fixes: 16c1975f1032 ("IB/mlx5: Create profile infrastructure to add and remove stages")
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
The mlx5 driver needs to be able to issue invalidation to ODP MRs
even if it cannot allocate memory. To this end it preallocates
emergency pages to use when the situation arises.
This flow should be extremely rare enough, that we don't need
to worry about contention and therefore a single emergency page
is good enough.
Signed-off-by: Ilya Lesokhin <ilyal@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Add helper functions that check if a protocol is
part of a flow steering match criteria.
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Aviad Yehezkel <aviadye@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
The has_tag member will indicate whether a tag action was specified
in flow specification.
A flow tag 0 = MLX5_FS_DEFAULT_FLOW_TAG is assumed a valid flow tag
that is currently used by mlx5 RDMA driver, whereas in HW flow_tag = 0
means that the user doesn't care about flow_tag. HW always provide
a flow_tag = 0 if all flow tags requested on a specific flow are 0.
So we need a way (in the driver) to differentiate between a user really
requesting flow_tag = 0 and a user who does not care, in order to be
able to report conflicting flow tags on a specific flow.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Aviad Yehezkel <aviadye@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Group and pass all function arguments of parse_flow_attr call in one
common struct mlx5_flow_act.
This patch passes all the action arguments of parse_flow_attr in one common
struct mlx5_flow_act. It allows us to scale the number of actions without adding
new arguments to the function.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Acked-by: Jason Gunthorpe <jgg@mellanox.com>
The series that introduced dual port RoCE mode assumed that we don't have
a dual port HCA that use the mlx5 driver, this is not the case for
Connect-IB HCAs. This reasoning led to assigning 1 as the native port
index which causes issue when the second port is used.
For example query_pkey() when called on the second port will return values
of the first port. Make sure that we assign the right port index as the
native port index.
Fixes: 32f69e4be269 ("{net, IB}/mlx5: Manage port association for multiport RoCE")
Reviewed-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
All other mlx5_events report the port number as 1 based, which is how FW
reports it in the port event EQE. Reporting 0 for this event causes
mlx5_ib to not raise a fatal event notification to registered clients
due to a seemingly invalid port.
All switch cases in mlx5_ib_event that go through the port check are
supposed to set the port now, so just do it once at variable
declaration.
Fixes: 89d44f0a6c73("net/mlx5_core: Add pci error handlers to mlx5_core driver")
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit adds full support for IB representor:
1) Representors profile, We add two new profiles:
nic_rep_profile - This profile will be used to create an IB device that
represents the PF/UPLINK.
rep_profile - This profile will be used to create an IB device that
represents VFs. Each VF will be its own representor.
2) Proper load/unload callbacks, Those are called by the E-Switch when
moving to/from switchdev mode.
3) Different flow DB handling for when we in switchdev mode.
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Currently in switchdev mode we allow only for raw packet QPs.
Expose the right capabilities and set the gid table length to 0, also
make sure we don't try to enable RoCE, so split the function
to enable RoCE so representors can enable only the notifier needed for
net device events.
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Currently we listen to netdev register/unregister event based on PCI
device. When in switchdev mode PF and representors share the same PCI
device, so in order to pair ib device and netdev in switchdev mode
compare the netdev that triggered the event to that of the representor.
Expose a function that lets you receive the netdev associated what
a given representor.
Signed-off-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
When we point to a representor, it means we are in switchdev mode.
The flow db is shared between PF and virtual function representors
so each rule created needs to have a match on its specific source port.
Signed-off-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
A flow DB is a shared resource between PF and representors,
need to allocate it only when creating the PF IB device.
Once we add IB representors, they will use the flow db which was
created by the PF.
Signed-off-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Create the basic infrastructure of registering and unregistering
IB representors. The load/unload callbacks are left empty and
proper implementation will be introduced in following patches.
Signed-off-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Merge tag v4.15 of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
To resolve conflicts in:
drivers/infiniband/hw/mlx5/main.c
drivers/infiniband/hw/mlx5/qp.c
From patches merged into the -rc cycle. The conflict resolution matches
what linux-next has been carrying.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
The kmalloc() failure to allocate memory generates enough information
and doesn't need to be accompanied by another driver print.
Fixes: d69a24e03659 ("IB/mlx5: Move IB event processing onto a workqueue")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This patch maps the new page to user space applications to
allow converting a user space completion timestamp to system wall
time at the lowest possible latency cost.
By using a versioning scheme we allow compatibility between current
and future userspace libraries.
The change moves mlx5_ib_mmap_cmd enum from mlx5_ib.h to the
abi header file mlx5-abi.h.
Reviewed-by: Alex Vesker <valex@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Feras Daoud <ferasda@mellanox.com>
Signed-off-by: Eitan Rabin <rabin@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Change mlx5_get_uars_page to return ERR_PTR in case of
allocation failure. Change all callers accordingly to
check the IS_ERR(ptr) instead of NULL.
Fixes: 59211bd3b632 ("net/mlx5: Split the load/unload flow into hardware and software flows")
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
There are systems platform information management interfaces (such as
HOST2BMC) for which we cannot disable local loopback multicast traffic.
Separate disable_local_lb_mc and disable_local_lb_uc capability bits so
driver will not disable multicast loopback traffic if not supported.
(It is expected that Firmware will not set disable_local_lb_mc if
HOST2BMC is running for example.)
Function mlx5_nic_vport_update_local_lb will do best effort to
disable/enable UC/MC loopback traffic and return success only in case it
succeeded to changed all allowed by Firmware.
Adapt mlx5_ib and mlx5e to support the new cap bits.
Fixes: 2c43c5a036be ("net/mlx5e: Enable local loopback in loopback selftest")
Fixes: c85023e153e3 ("IB/mlx5: Add raw ethernet local loopback support")
Fixes: bded747bb432 ("net/mlx5: Add raw ethernet local loopback firmware command")
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Cc: kernel-team@fb.com
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
The initial assignment to mdev is redundant as mdev is re-assigned
later and the first assigned value is never read. Remove this
redundant assignment.
Cleans up clang warning:
drivers/infiniband/hw/mlx5/main.c:359:24: warning: Value stored
to 'mdev' during its initialization is never read
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
When operating in dual port RoCE mode FW doesn't support steering for
raw QPs on the slave port. They still work on the master port, but
the user has no way of knowing which port is the master. The
capability is reported per device, not per port.
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
