Add mlx5_cmd_null_mkey() function to access null_mkey information
from firmware.
Signed-off-by: NArtemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

Add support for creation of a WQ with scatter FCS capability, if
this capability is supported by the hardware.
Signed-off-by: NNoa Osherovich <noaos@mellanox.com>
Reviewed-by: NMajd Dibbiny <majd@mellanox.com>
Reviewed-by: NYishai Hadas <yishaih@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

Enable creating a RAW Ethernet QP with cvlan stripping offload when
it's supported by the hardware.
Signed-off-by: NNoa Osherovich <noaos@mellanox.com>
Reviewed-by: NMaor Gottlieb <maorg@mellanox.com>
Reviewed-by: NYishai Hadas <yishaih@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

Allow creating a WQ with cvlan stripping considering device's
capabilities. The default value was fixed to disable vlan stripping
till was asked explicitly.

In addition, allow modification of a WQ to turn on/off this property.
Signed-off-by: NNoa Osherovich <noaos@mellanox.com>
Reviewed-by: NMaor Gottlieb <maorg@mellanox.com>
Reviewed-by: NYishai Hadas <yishaih@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

Check device's capabilities and report which raw packet capabilities
are supported.
Signed-off-by: NNoa Osherovich <noaos@mellanox.com>
Reviewed-by: NMaor Gottlieb <maorg@mellanox.com>
Reviewed-by: NYishai Hadas <yishaih@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

Counters weren't updated due to Receive WQs' traffic since the
counter-id was not associated with the RQ.

Added support for associating the q-counter-id with the Receive WQ.
The attachment is done only when changing WQ's state from RESET to
READY in modify-WQ command.

FW support is required for the above, without this support
Receive WQ counters will not count.
Signed-off-by: NMajd Dibbiny <majd@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

This patch modify the Q counters implementation, so each one of the
three Q counters groups will be exposed by the driver only if they are
supported by the firmware.
Signed-off-by: NKamal Heib <kamalh@mellanox.com>
Reviewed-by: NMark Bloch <markb@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

Flow steering is supposed to return EOPNOTSUPP error
for unsupported fields and not ENOTSUPP error.
Signed-off-by: NLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

Set flow tag in flow table entry, when IB_FLOW_SPEC_ACTION_TAG
is part of the flow specifications.

Flow tag doesn't support multicast flows, so it's passing to
hardware only when used.
Signed-off-by: NMoses Reuben <mosesr@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

Commit 9603b61d ("mlx5: Move pci device handling from mlx5_ib
to mlx5_core") moved prof_sel module parameter from mlx5_ib to mlx5_core
and marked it as deprecated in 2014.

Three years after deprecation, it is time to remove the deprecated
module parameter.
Signed-off-by: NLeon Romanovsky <leonro@mellanox.com>
Reviewed-by: NJack Morgenstein <jackm@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Reviewed-by: NYuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

For Routable RoCE QPs, the DSCP should be set in the QP's
address path.

The DSCP's value is derived from the traffic class.

Fixes: 2811ba51 ("IB/mlx5: Add RoCE fields to Address Vector")
Cc: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: NMajd Dibbiny <majd@mellanox.com>
Reviewed-by: NMoni Shoua <monis@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Reviewed-by: NYuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

According to the device specification, we need to check that the
has_smi bit is set in vport context before allowing send SMP
MADs from VF.

Fixes: e126ba97 ('mlx5: Add driver for Mellanox Connect-IB adapters')
Signed-off-by: NMaor Gottlieb <maorg@mellanox.com>
Reviewed-by: NEli Cohen <eli@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

Check the has_smi bit in vport context and class version of MADs
before allowing MADs processing to take place.
MAD_IFC SMI commands can be executed only if smi bit is set.

Fixes: e126ba97 ('mlx5: Add driver for Mellanox Connect-IB adapters')
Signed-off-by: NMaor Gottlieb <maorg@mellanox.com>
Signed-off-by: NParvi Kaustubhi <parvik@mellanox.com>
Reviewed-by: NEli Cohen <eli@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

Make sure that the Q counters are supported by the FW before trying
to allocate/deallocte them, this will avoid driver load failure when
they aren't supported by the FW.

Fixes: 0837e86a ('IB/mlx5: Add per port counters')
Cc: <stable@vger.kernel.org> # v4.7+
Signed-off-by: NKamal Heib <kamalh@mellanox.com>
Reviewed-by: NMark Bloch <markb@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

In case of unsupported singature, we returned positive
value, while the better approach is to return -EINVAL.

In addition, in this change, the error print is enriched
to provide an actual supplied signature type.

Fixes: e6631814 ("IB/mlx5: Support IB_WR_REG_SIG_MR")
Cc: Sagi Grimberg <sagi@grimberg.me>
Reported-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

When we initialize buffer to create SRQ in kernel,
the number of pages was less than actually used in
following mlx5_fill_page_array().

Fixes: e126ba97 ("mlx5: Add driver for Mellanox Connect-IB adapters")
Cc: <stable@vger.kernel.org> # v3.10+
Signed-off-by: NLeon Romanovsky <leonro@mellanox.com>
Reviewed-by: NEli Cohen <eli@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

Add fields to structs to convey to kernel an indication whether the
library supports multi UARs per page and return to the library the size
of a UAR based on the queried value.
Signed-off-by: NEli Cohen <eli@mellanox.com>
Reviewed-by: NMatan Barak <matanb@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>

Current check requests that new fields in struct
mlx5_ib_alloc_ucontext_req_v2 that are not known to the driver be zero.
This was introduced so new libraries passing additional information to
the kernel through struct mlx5_ib_alloc_ucontext_req_v2 will be notified
by old kernels that do not support their request by failing the
operation. This schecme is problematic since it requires libmlx5 to issue
the requests with descending input size for struct
mlx5_ib_alloc_ucontext_req_v2.

To avoid this, we require that new features that will obey the following
rules:
If the feature requires one or more fields in the response and the at
least one of the fields can be encoded such that a zero value means the
kernel ignored the request then this field will provide the indication
to the library. If no response is required or if zero is a valid
response, a new field should be added that indicates to the library
whether its request was processed.

Fixes: b368d7cb ('IB/mlx5: Add hca_core_clock_offset to udata in init_ucontext')
Signed-off-by: NEli Cohen <eli@mellanox.com>
Reviewed-by: NMatan Barak <matanb@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>

Make use of the blue flame registers allocator at mlx5_ib. Since blue
flame was not really supported we remove all the code that is related to
blue flame and we let all consumers to use the same blue flame register.
Once blue flame is supported we will add the code. As part of this patch
we also move the definition of struct mlx5_bf to mlx5_ib.h as it is only
used by mlx5_ib.
Signed-off-by: NEli Cohen <eli@mellanox.com>
Reviewed-by: NMatan Barak <matanb@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>

First the function retrieving the index of the first hi latency class
blue flame register. High latency class bfregs are located right above
medium latency class bfregs.

Fixes: c1be5232 ('IB/mlx5: Fix micro UAR allocator')
Signed-off-by: NEli Cohen <eli@mellanox.com>
Reviewed-by: NMatan Barak <matanb@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>

This establishes a solid naming conventions for UARs. A UAR (User Access
Region) can have size identical to a system page or can be fixed 4KB
depending on a value queried by firmware. Each UAR always has 4 blue
flame register which are used to post doorbell to send queue. In
addition, a UAR has section used for posting doorbells to CQs or EQs. In
this patch we change names to reflect this conventions.
Signed-off-by: NEli Cohen <eli@mellanox.com>
Reviewed-by: NMatan Barak <matanb@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>

Make sure order of cleanup is exactly the opposite of initialization.

Fixes: 9603b61d ('mlx5: Move pci device handling from mlx5_ib to mlx5_core')
Signed-off-by: NEli Cohen <eli@mellanox.com>
Reviewed-by: NMatan Barak <matanb@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>

The logic was broken as it failed to update the response length for
architectures with PAGE_SIZE larger than 4kB. As a result further
extension of the ucontext response struct would fail.

Fixes: d69e3bcf ('IB/mlx5: Mmap the HCA's core clock register to user-space')
Signed-off-by: NEli Cohen <eli@mellanox.com>
Reviewed-by: NMatan Barak <matanb@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>

Add "type" field to mlx5_core MKEY struct.
Check whether page fault happens on MKEY corresponding to MR.
Signed-off-by: NArtemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Handle ODP atomic operations. When initiator of RDMA atomic
operation use ODP MR to provide source data handle pagefault properly.
Signed-off-by: NArtemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

* Update page fault event according to last specification.
* Separate code path for page fault EQ, completion EQ and async EQ.
* Move page fault handling work queue from mlx5_ib static variable
  into mlx5_core page fault EQ.
* Allocate memory to store ODP event dynamically as the
  events arrive, since in atomic context - use mempool.
* Make mlx5_ib page fault handler run in process context.
Signed-off-by: NArtemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

In this change we turn mlx5_ib_update_mtt() into generic
mlx5_ib_update_xlt() to perfrom HCA translation table modifiactions
supporting both atomic and process contexts and not limited by number
of modified entries.
Using this function we increase preallocated MRs up to 16GB.
Signed-off-by: NArtemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Make use of extended UMR translation offset.
Signed-off-by: NArtemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

* Update struct mlx5_wqe_umr_ctrl_seg.
* Currenlty UMR send_flags aim only certain use cases: enabled/disable
  cached MR, modifying XLT for ODP. By making flags independent make UMR
  more flexible allowing arbitrary manipulations.
* Since different UMR formats have different entry sizes UMR request
  should receive exact size of translation table update instead of
  number of entries. Rename field npages to xlt_size in struct mlx5_umr_wr
  and update relevant code accordingly.
* Add support of length64 bit.
Signed-off-by: NArtemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Clean up the following common code (to post a list of work requests to the
send queue of the specified QP) at various places and add a helper function
'mlx5_ib_post_send_wait' to implement the same.

 - Initialize 'mlx5_ib_umr_context' on stack
 - Assign "mlx5_umr_wr:wr:wr_cqe to umr_context.cqe
 - Acquire the semaphore
 - call ib_post_send with a single ib_send_wr
 - wait_for_completion()
 - Check for umr_context.status
 - Release the semaphore
Signed-off-by: NBinoy Jayan <binoy.jayan@linaro.org>
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

The order of features exposed by private mlx5-abi.h
file is CQE zipping, packet pacing and multi-packet WQE.

The internal order implemented in mlx5_ib_query_device() is
multi-packet WQE, CQE zipping and packet pacing.

Such difference hurts code readability, so let's sync,
while mlx5-abi.h (exposed to userspace) is the primary
order.

This commit doesn't change any functionality.
Signed-off-by: NLeon Romanovsky <leon@kernel.org>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Demoting simple flow steering rule priority (for DPDK) was achieved by
wrapping FW commands MLX4_QP_FLOW_STEERING_ATTACH/DETACH for the PF
as well, and forcing the priority to MLX4_DOMAIN_NIC in the wrapper
function for the PF and all VFs.

In function mlx4_ib_create_flow(), this change caused the main rule
creation for the PF to be wrapped, while it left the associated
tunnel steering rule creation unwrapped for the PF.

This mismatch caused rule deletion failures in mlx4_ib_destroy_flow()
for the PF when the detach wrapper function did not find the associated
tunnel-steering rule (since creation of that rule for the PF did not
go through the wrapper function).

Fix this by setting MLX4_QP_FLOW_STEERING_ATTACH/DETACH to be "native"
(so that the PF invocation does not go through the wrapper), and perform
the required priority demotion for the PF in the mlx4_ib_create_flow()
code path.

Fixes: 48564135 ("net/mlx4_core: Demote simple multicast and broadcast flow steering rules")
Signed-off-by: NJack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: NTariq Toukan <tariqt@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NRam Amrani <Ram.Amrani@cavium.com>
Reviewed-by: NMichal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

We clear the vendor error field in the work completion so that if
a work completion is erroneous  the field won't confuse the caller.
Signed-off-by: NRam Amrani <Ram.Amrani@cavium.com>
Reviewed-by: NMichal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

Enable posting to SQ only in RTS, ERR and SQD QP state.
Enable posting to RQ in ERR QP state.
Signed-off-by: NRam Amrani <Ram.Amrani@cavium.com>
Reviewed-by: NMichal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

In the current implementation a read verb with IB_SEND_INLINE may be
illegally configured.
In this fix we ignore the inline bit in the case of a read verb.
Signed-off-by: NRam Amrani <Ram.Amrani@cavium.com>
Reviewed-by: NMichal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

Current code didn't modify the QP state to error because it queried the
QP state as a bitmap while it isn't. So the code never got executed.
This patch fixes this and queries for each QP state respectively and not
at once via a bitmask.
Signed-off-by: NRam Amrani <Ram.Amrani@cavium.com>
Reviewed-by: NMichal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

Signed-off-by: NRam Amrani <Ram.Amrani@cavium.com>
Reviewed-by: NMichal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

Signed-off-by: NRam Amrani <Ram.Amrani@cavium.com>
Reviewed-by: NMichal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

Configure ibcq->cqe when a CQ is created.
Signed-off-by: NRam Amrani <Ram.Amrani@cavium.com>
Reviewed-by: NMichal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>