| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband/rdma fixes from Roland Dreier:
"Last late set of InfiniBand/RDMA fixes for 3.17:
- fixes for the new memory region re-registration support
- iSER initiator error path fixes
- grab bag of small fixes for the qib and ocrdma hardware drivers
- larger set of fixes for mlx4, especially in RoCE mode"
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (26 commits)
IB/mlx4: Fix VF mac handling in RoCE
IB/mlx4: Do not allow APM under RoCE
IB/mlx4: Don't update QP1 in native mode
IB/mlx4: Avoid accessing netdevice when building RoCE qp1 header
mlx4: Fix mlx4 reg/unreg mac to work properly with 0-mac addresses
IB/core: When marshaling uverbs path, clear unused fields
IB/mlx4: Avoid executing gid task when device is being removed
IB/mlx4: Fix lockdep splat for the iboe lock
IB/mlx4: Get upper dev addresses as RoCE GIDs when port comes up
IB/mlx4: Reorder steps in RoCE GID table initialization
IB/mlx4: Don't duplicate the default RoCE GID
IB/mlx4: Avoid null pointer dereference in mlx4_ib_scan_netdevs()
IB/iser: Bump version to 1.4.1
IB/iser: Allow bind only when connection state is UP
IB/iser: Fix RX/TX CQ resource leak on error flow
RDMA/ocrdma: Use right macro in query AH
RDMA/ocrdma: Resolve L2 address when creating user AH
mlx4: Correct error flows in rereg_mr
IB/qib: Correct reference counting in debugfs qp_stats
IPoIB: Remove unnecessary port query
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This particular reference count is not needed with the rcu protection,
and the current code leaks a reference count, causing a hang in
qib_qp_destroy().
Cc: <stable@vger.kernel.org>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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The static helper routine, __qib_get_user_pages(), accepts a vma arg,
but current use always passes NULL.
This has caused some confusion associated with the correct use of this
argument, but since the current use case doesn't require the
flexiblity, the best thing to do is to simplfy the code to always pass
NULL to get_user_pages().
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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The static helper routine, __ipath_get_user_pages(), accepts a vma
arg, but current use always passes NULL.
This has caused some confusion associated with the correct use of this
argument, but since the current use case doesn't require the
flexiblity, the best thing to do is to simplfy the code to always pass
NULL to get_user_pages().
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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ocrdma_query_ah() does not use correct macro, and checks the wrong bit
for the validity of address handle in vector table. Fix this.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Because of IP-based GIDs, userspace AHs must have MAC and VLAN ID
resolved separately. Presently, user AHs are broken for ocrdma. This
patch resolves L2 addresses while creating user AH and obtains the
right DMAC and VLAN ID before creating AH.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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When ib_request_notify_cq() is called for the first time, ocrdma tries
to skip setting deffered_arm flag. This may lead CQ to an un-armed
state thus never generating a CQ event and leaving consumer hung.
This patch removes the part of code that skips setting deferred_arm.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Fix ocrdma_query_device() to report correct value of max_fast_reg_page_list_len.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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We had several problems here. First, a race condition on QP1 mac
handling between mlx4_ib_update_qps and mlx4_ib_modify_qp, which is
fixed by taking the qp mutex in mlx4_ib_update_qps.
Also, qp->pri.smac_port was not updated in mlx4_ib_update_qps.
Last, in __mlx4_ib_modify_qp we did not properly handle the case where
the mac is zero, but port is non-zero.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Automatic Path Migration is not supported under RoCE. Therefore,
return a "not-supported" error if the caller attempts to set an
alternate path in a QP context.
In addition, if there are no IB ports configured, do not report
APM capability in the device flags returned by mlx4_ib_query_device.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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For native functions (non-SR-IOV), there's no reason to update
the smac_index, as QP1 is a GSI QP.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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The source MAC is needed in RoCE when building the QP1 header.
Currently, this is obtained from the source net device. However, the net
device may not yet exist, or can be destroyed in parallel to this QP1 send
operation (e.g through the VPI port change flow) so accessing it may cause
a kernel crash.
To fix this, we maintain a source MAC cache per port for the net device in
struct mlx4_ib_roce. This cached MAC is initialized to be the default MAC
address obtained during HCA initialization via QUERY_PORT. This cached MAC
is updated via the netdev event notifier handler.
Since the cached MAC is held in an atomic64 object, we do not need locking
when accessing it.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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When device is being removed (e.g during VPI port link type change
from ETH to IB), tasks for gid table changes should not be executed.
Flush the current queue of tasks and block further tasks from entering the queue.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Chuck Lever reported the following stack trace:
=================================
[ INFO: inconsistent lock state ]
3.16.0-rc2-00024-g2e78883 #17 Tainted: G E
---------------------------------
inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
swapper/0/0 [HC0[0]:SC1[1]:HE1:SE0] takes:
(&(&iboe->lock)->rlock){+.?...}, at: [<ffffffffa065f68b>] mlx4_ib_addr_event+0xdb/0x1a0 [mlx4_ib]
{SOFTIRQ-ON-W} state was registered at:
[<ffffffff810b3110>] mark_irqflags+0x110/0x170
[<ffffffff810b4806>] __lock_acquire+0x2c6/0x5b0
[<ffffffff810b4bd9>] lock_acquire+0xe9/0x120
[<ffffffff815f7f6e>] _raw_spin_lock+0x3e/0x80
[<ffffffffa0661084>] mlx4_ib_scan_netdevs+0x34/0x260 [mlx4_ib]
[<ffffffffa06612db>] mlx4_ib_netdev_event+0x2b/0x40 [mlx4_ib]
[<ffffffff81522219>] register_netdevice_notifier+0x99/0x1e0
[<ffffffffa06626e3>] mlx4_ib_add+0x743/0xbc0 [mlx4_ib]
[<ffffffffa05ec168>] mlx4_add_device+0x48/0xa0 [mlx4_core]
[<ffffffffa05ec2c3>] mlx4_register_interface+0x73/0xb0 [mlx4_core]
[<ffffffffa05c505e>] cm_req_handler+0x13e/0x460 [ib_cm]
[<ffffffff810002e2>] do_one_initcall+0x112/0x1c0
[<ffffffff810e8264>] do_init_module+0x34/0x190
[<ffffffff810ea62f>] load_module+0x5cf/0x740
[<ffffffff810ea939>] SyS_init_module+0x99/0xd0
[<ffffffff815f8fd2>] system_call_fastpath+0x16/0x1b
irq event stamp: 336142
hardirqs last enabled at (336142): [<ffffffff810612f5>] __local_bh_enable_ip+0xb5/0xc0
hardirqs last disabled at (336141): [<ffffffff81061296>] __local_bh_enable_ip+0x56/0xc0
softirqs last enabled at (336004): [<ffffffff8106123a>] _local_bh_enable+0x4a/0x50
softirqs last disabled at (336005): [<ffffffff810617a4>] irq_exit+0x44/0xd0
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&(&iboe->lock)->rlock);
<Interrupt>
lock(&(&iboe->lock)->rlock);
*** DEADLOCK ***
The above problem was caused by the spin lock being taken both in the process
context and in a soft-irq context (in a netdev notifier handler).
The required fix is to use spin_lock/unlock_bh() instead of spin_lock/unlock
on the iboe lock.
Reported-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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When a RoCE port becomes active and the netdev of the port has upper
device (e.g bond/team), GIDs derived from the upper dev should appear
in the port's RoCE GID table.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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There's no need to reset the gid table twice and we need to do it only
for Ethernet ports. Also, no need to actively scan ndetdevs since it's
being done immediatly after we register netdev notifiers.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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When reading the IPv6 addresses from the net-device, make sure to
avoid adding a duplicate entry to the GID table because of equality
between the default GID we generate and the default IPv6 link-local
address of the device.
Fixes: acc4fccf4eff ("IB/mlx4: Make sure GID index 0 is always occupied")
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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When Ethernet netdev is not present for a port (e.g. when the link
layer type of the port is InfiniBand) it's possible to dereference a
null pointer when we do netdevice scanning.
To fix that, we move a section of code that needs to run only when
netdev is present to a proper if () statement.
Fixes: ad4885d279b6 ("IB/mlx4: Build the port IBoE GID table properly under bonding")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This patch addresses feedback from Sagi Grimberg on the rereg_mr
implementation of mlx4. The following are fixed:
1. Set the correct pd_flags
2. Make sure we change the iova and size MR fields only after
successful write and allocation of the MTTs.
3. Make the error checking more robust
Fixes: e630664c8383 ("mlx4_core: Add helper functions to support MR re-registration")
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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According to <http://marc.info/?t=138347640900004&r=1&w=2>, revision
A0 of Connect-X does not correctly assemble TSO packets. Disable that
feature on that hardware revision.
Signed-off-by: Roland Dreier <roland@purestorage.com>
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We wrongly tested QP context bits without BE conversion
as was spotted by sparse...
drivers/infiniband/hw/mlx4/qp.c:1685:38: sparse: restricted __be32 degrades to integer
Fix that!
Fixes: d2fce8a ('mlx4: Set user-space raw Ethernet QPs to properly handle VXLAN traffic')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Changing the vlan stripping policy of the QP isn't supported by older
firmware versions for the INIT2RTR command. Nevertheless, we've used it.
Fix that by doing this policy change using INIT2RTR only if the firmware
supports it, otherwise, we call UPDATE_QP command to do the task.
Fixes: 7677fc9 ('net/mlx4: Strengthen VLAN tags/priorities enforcement in VST mode')
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Raw Ethernet QPs opened from user-space lack the proper setup to
recieve/handle VXLAN traffic when VXLAN offloads are enabled.
Fix that by adding a tunnel steering rule on top of the normal unicast
steering rule and set the tunnel_type field in the QP context.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull DEFINE_PCI_DEVICE_TABLE removal from Bjorn Helgaas:
"Part two of the PCI changes for v3.17:
- Remove DEFINE_PCI_DEVICE_TABLE macro use (Benoit Taine)
It's a mechanical change that removes uses of the
DEFINE_PCI_DEVICE_TABLE macro. I waited until later in the merge
window to reduce conflicts, but it's possible you'll still see a few"
* tag 'pci-v3.17-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: Remove DEFINE_PCI_DEVICE_TABLE macro use
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We should prefer `struct pci_device_id` over `DEFINE_PCI_DEVICE_TABLE` to
meet kernel coding style guidelines. This issue was reported by checkpatch.
A simplified version of the semantic patch that makes this change is as
follows (http://coccinelle.lip6.fr/):
// <smpl>
@@
identifier i;
declarer name DEFINE_PCI_DEVICE_TABLE;
initializer z;
@@
- DEFINE_PCI_DEVICE_TABLE(i)
+ const struct pci_device_id i[]
= z;
// </smpl>
[bhelgaas: add semantic patch]
Signed-off-by: Benoit Taine <benoit.taine@lip6.fr>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband/rdma updates from Roland Dreier:
"Main set of InfiniBand/RDMA updates for 3.17 merge window:
- MR reregistration support
- MAD support for RMPP in userspace
- iSER and SRP initiator updates
- ocrdma hardware driver updates
- other fixes..."
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (52 commits)
IB/srp: Fix return value check in srp_init_module()
RDMA/ocrdma: report asic-id in query device
RDMA/ocrdma: Update sli data structure for endianness
RDMA/ocrdma: Obtain SL from device structure
RDMA/uapi: Include socket.h in rdma_user_cm.h
IB/srpt: Handle GID change events
IB/mlx5: Use ARRAY_SIZE instead of sizeof/sizeof[0]
IB/mlx4: Use ARRAY_SIZE instead of sizeof/sizeof[0]
RDMA/amso1100: Check for integer overflow in c2_alloc_cq_buf()
IPoIB: Remove unnecessary test for NULL before debugfs_remove()
IB/mad: Add user space RMPP support
IB/mad: add new ioctl to ABI to support new registration options
IB/mad: Add dev_notice messages for various umad/mad registration failures
IB/mad: Update module to [pr|dev]_* style print messages
IB/ipoib: Avoid multicast join attempts with invalid P_key
IB/umad: Update module to [pr|dev]_* style print messages
IB/ipoib: Avoid flushing the workqueue from worker context
IB/ipoib: Use P_Key change event instead of P_Key polling mechanism
IB/ipath: Add P_Key change event support
mlx4_core: Add support for secure-host and SMP firewall
...
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'mlx4', 'mlx5', 'ocrdma' and 'srp' into for-next
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Ocrdma does not report hw_ver when query_device is issued. This patch
adds a meaningful value to this field.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Update the sli specific mailbox command request/response data
sturcures to fix endianness issues.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Currently, driver obtains service level value from ah_attr->sl field.
However, this field is set to zero all the times from rdma-cm. This
patch allows create_ah to obtain service level from dev->sl.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Fix the warning about the usage of plain integer as NULL pointer.
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Current GID table gets updated only at the time of inet notification.
Fix this by initializing the table at the time of device registration.
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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HW can support 16K STAG entries. Change this max limit. Also, move
this array out of ocrdma_dev to reduce the size of this structure.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Fix the Statistics command opcode. Also specify the opcode of each
command for better readablilty.
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Update the max_mr_size with proper value. Corrected the response
structure of query config mailbox command.
Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.Com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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If any mailbox command reports timeout, save the state in the driver,
to prevent issuing any more commands to the HW. Do proper cleanup
even if FW is in error state.
Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.Com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Prevent posting opcodes other than send and send immediate on the UD QPs.
Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.Com>
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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During cable pull test with a mount over NFS/RDMA, the driver was
reporting error completions when there were no pending requests in the
SQ and RQ. This was triggering a host crash because of reporting
wrong work req id. Avoid this crash by adding a check for SQ and RQ
empty condition and prevent reporting completions if queues are empty.
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Cleanup the AH table in error path, if HW initialization fails
after AH table creation.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Removing hardcoded value of max dpp qps and calculate the same from
doorbell page size and WQE size.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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be2net driver sends a shutdown event to ocrdma during shutdown/reboot.
As part of event processing, ocrdma calls close() and remove() to free
all the resources associated with ocrdma. This also frees irqs used by
ocrdma.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Add a new entry under sysfs for getting the HW type.
Add a new-line character for the FW version string
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This patch implements routine to query the PFC priority from the
adapter port.
Following are the changes implemented:
* A new FW command is implemented to query the operational/admin DCBX
configuration from the FW and obtain active priority(service
level).
* Adds support for the async event reported by FW when the PFC
priority changes. Service level is re-initialized during modify_qp
or create_ah, based on this event.
* Maintain SL value in ocrdma_dev structure and refer that as and
when needed.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Rollback the patch which allows DPP posting of RDMA READ since this
path is not yet stable in FW.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Acked-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This is a static checker fix. The static checker says that q_size comes
from the user and can be any 32 bit value. The call tree is:
--> ib_uverbs_create_cq()
--> c2_create_cq()
--> c2_init_cq()
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Registrations options are specified through flags. Definitions of flags will
be in subsequent patches.
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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