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This patch adds a function to read next expected KDETH PSN from hardware
flow to simplify the code.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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The reference of destination memory region is first obtained when TID RDMA
WRITE request is first received on the responder side. This reference is
released once all TID RDMA WRITE RESP packets are sent to the requester
side, even though not all TID RDMA WRITE DATA packets may have been
received. This early release will especially be undesired if the software
needs to access the destination memory before the last data packet is
received.
This patch delays the release of the MR until all TID RDMA DATA packets
have been received. A helper function to release the reference is also
created to simplify the code.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Conversion from IDR to XArray missed the fact that idr_alloc() returned
index as a return value, this index was saved in port variable and used as
query index later on. This caused to the following error.
BUG: KASAN: use-after-free in cma_check_port+0x86a/0xa20 [rdma_cm]
Read of size 8 at addr ffff888069fde998 by task ucmatose/387
CPU: 3 PID: 387 Comm: ucmatose Not tainted 5.1.0-rc2+ #253
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.11.0-0-g63451fca13-prebuilt.qemu-project.org 04/01/2014
Call Trace:
dump_stack+0x7c/0xc0
print_address_description+0x6c/0x23c
? cma_check_port+0x86a/0xa20 [rdma_cm]
kasan_report.cold.3+0x1c/0x35
? cma_check_port+0x86a/0xa20 [rdma_cm]
? cma_check_port+0x86a/0xa20 [rdma_cm]
cma_check_port+0x86a/0xa20 [rdma_cm]
rdma_bind_addr+0x11bc/0x1b00 [rdma_cm]
? find_held_lock+0x33/0x1c0
? cma_ndev_work_handler+0x180/0x180 [rdma_cm]
? wait_for_completion+0x3d0/0x3d0
ucma_bind+0x120/0x160 [rdma_ucm]
? ucma_resolve_addr+0x1a0/0x1a0 [rdma_ucm]
ucma_write+0x1f8/0x2b0 [rdma_ucm]
? ucma_open+0x260/0x260 [rdma_ucm]
vfs_write+0x157/0x460
ksys_write+0xb8/0x170
? __ia32_sys_read+0xb0/0xb0
? trace_hardirqs_off_caller+0x5b/0x160
? do_syscall_64+0x18/0x3c0
do_syscall_64+0x95/0x3c0
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Allocated by task 381:
__kasan_kmalloc.constprop.5+0xc1/0xd0
cma_alloc_port+0x4d/0x160 [rdma_cm]
rdma_bind_addr+0x14e7/0x1b00 [rdma_cm]
ucma_bind+0x120/0x160 [rdma_ucm]
ucma_write+0x1f8/0x2b0 [rdma_ucm]
vfs_write+0x157/0x460
ksys_write+0xb8/0x170
do_syscall_64+0x95/0x3c0
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Freed by task 381:
__kasan_slab_free+0x12e/0x180
kfree+0xed/0x290
rdma_destroy_id+0x6b6/0x9e0 [rdma_cm]
ucma_close+0x110/0x300 [rdma_ucm]
__fput+0x25a/0x740
task_work_run+0x10e/0x190
do_exit+0x85e/0x29e0
do_group_exit+0xf0/0x2e0
get_signal+0x2e0/0x17e0
do_signal+0x94/0x1570
exit_to_usermode_loop+0xfa/0x130
do_syscall_64+0x327/0x3c0
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Reported-by: <syzbot+2e3e485d5697ea610460@syzkaller.appspotmail.com>
Reported-by: Ran Rozenstein <ranro@mellanox.com>
Fixes: 638267537ad9 ("cma: Convert portspace IDRs to XArray")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Add bar_addr field to store bar-0 address to avoid calling
pci_resource_start with hard-coded bar-0 as parameter.
Also note that different mlx5 device types will have bar_addr
on different bars.
This patch does not change any functionality.
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Vu Pham <vuhuong@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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As there is no user of mlx5_write64 that passes a spinlock to
mlx5_write64, remove this functionality and simplify the function.
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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port_pd is treated as le32 in declaration and read, fix assignment to be
in le32 too. This change fixes the following compilation warnings.
drivers/infiniband/hw/hns/hns_roce_ah.c:67:24: warning: incorrect type
in assignment (different base types)
drivers/infiniband/hw/hns/hns_roce_ah.c:67:24: expected restricted __le32 [usertype] port_pd
drivers/infiniband/hw/hns/hns_roce_ah.c:67:24: got restricted __be32 [usertype]
Fixes: 9a4435375cd1 ("IB/hns: Add driver files for hns RoCE driver")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Gal Pressman <galpress@amazon.com>
Reviewed-by: Lijun Ou <ouliun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Now when ib_udata is passed to all the driver's object create/destroy APIs
the ib_udata will carry the ib_ucontext for every user command. There is
no need to also pass the ib_ucontext via the functions prototypes.
Make ib_udata the only argument psssed.
Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Now that we have the udata passed to all the ib_xxx object destroy APIs
and the additional macro 'rdma_udata_to_drv_context' to get the
ib_ucontext from ib_udata stored in uverbs_attr_bundle, we can finally
start to remove the dependency of the drivers in the
ib_xxx->uobject->context.
Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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The uverbs_attr_bundle with the ucontext is sent down to the drivers ib_x
destroy path as ib_udata. The next patch will use the ib_udata to free the
drivers destroy path from the dependency in 'uobject->context' as we
already did for the create path.
Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Pass uverbs_attr_bundle down the uobject destroy path. The next patch will
use this to eliminate the dependecy of the drivers in ib_x->uobject
pointers.
Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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the Attempt to use the below commit to initialize the ucontext for the
uobject destroy path has shown that the below commit is incomplete.
Parts were reverted and the ucontext set up in the uverbs_attr_bundle was
moved to rdma_lookup_get_uobject which is called from the uobj_get_XXX
macros and rdma_alloc_begin_uobject which is called when uobject is
created.
Fixes: 3d9dfd060391 ("IB/uverbs: Add ib_ucontext to uverbs_attr_bundle sent from ioctl and cmd flows")
Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Signed-off-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Also remove qib_devs_list.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Also remove hfi1_devs_list.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Signed-off-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Signed-off-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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The number of stubs is growing and has nothing to do with addrconf.
Move the definition of the stubs to a separate header file and update
users. In the move, drop the vxlan specific comment before ipv6_stub.
Code move only; no functional change intended.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Also fully initialise the qp before storing it in the XArray.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Change the locking to not disable interrupts as the lookup in interrupt
context will not see a freed CQ, thanks to the synchronize_irq() call
before freeing the CQ.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Add netlink command that enables/disables sharing rdma device among
multiple net namespaces.
Using rdma tool,
$rdma sys set netns shared (default mode)
When rdma subsystem netns mode is set to shared mode, rdma devices
will be accessible in all net namespaces.
Using rdma tool,
$rdma sys set netns exclusive
When rdma subsystem netns mode is set to exclusive mode, devices
will be accessible in only one net namespace at any given
point of time.
If there are any net namespaces other than default init_net exists,
while executing this command, it will fail and mode cannot be changed.
To change this mode, netlink command is used instead of sysctl, because
netlink command allows to auto load a module.
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Add an interface via netlink command to query whether rdma devices are
shared among multiple net namespaces or not. When using RDMAtool, it can
be queried as,
$rdma system show netns
netns shared
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Extend ib_device_get_by_index() API to check device access for
net namespace for serving netlink commands.
Also enforce net ns check on dumpit commands which iterate over all
registered rdma devices and which don't call ib_device_get_by_index().
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Introduce an API rdma_dev_access_netns() to check whether a rdma device
can be accessed from the specified net namespace or not.
Use rdma_dev_access_netns() while opening character uverbs, umad network
device and also check while rdma cm_id binds to rdma device.
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Add module parameter to change a sharing mode of ib_core early in the
boot process. This parameter helps to those systems where modern up
to date rdma tool (iproute2) package may not be available during
kernel upgrade cycle.
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Now that sysfs compatibility layer for non init_net exists, add core port
attributes such as pkey and gid table to non init_net ns.
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Implement compatibility layer sysfs entries of ib_core so that non
init_net net namespaces can also discover rdma devices.
Each non init_net net namespace has ib_core_device created in it.
Such ib_core_device sysfs tree resembles rdma devices found in
init_net namespace.
This allows discovering rdma devices in multiple non init_net net
namespaces via sysfs entries and helpful to rdma-core userspace.
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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This is a preparation patch to provide isolation of rdma device in a
network namespace.
As first step, make rdma device visible only in init net namespace.
Subsequent patch will enable rdma device visibility back in multiple net
namespaces using compat ib_core_device device/sysfs tree.
Given that the IB subsystem depends on net stack, it needs to be
initialized after netdev and since it support devices, it needs to be
initialized before the device subsystem; therefore, change initcall
sequence to fs_initcall, so that when ib_core is compiled in the kernel
image, the right init sequence is followed.
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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In order to support sysfs entries in multiple net namespaces for a rdma
device, introduce a ib_core_device whose scope is limited to hold core
device and per port sysfs related entries.
This is preparation patch so that multiple ib_core_devices in each net
namespace can be created in subsequent patch who all can share ib_device.
(a) Move sysfs specific fields to ib_core_device.
(b) Make sysfs and device life cycle related routines to work on
ib_core_device.
(c) Introduce and use rdma_init_coredev() helper to initialize
coredev fields.
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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The buffer that holds the page DMA addresses is sized off umem->nmap.
This can potentially cause out of bound accesses on the PBL array when
iterating the umem DMA-mapped SGL. This is because if umem pages are
combined, umem->nmap can be much lower than the number of system pages
in umem.
Use ib_umem_num_pages() to size this buffer.
Cc: Dennis Dalessandro <dennis.dalessandro@intel.com>
Cc: Mike Marciniszyn <mike.marciniszyn@intel.com>
Cc: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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The buffer that holds the page DMA addresses is sized off umem->nmap.
This can potentially cause out of bound accesses on the PBL array when
iterating the umem DMA-mapped SGL. This is because if umem pages are
combined, umem->nmap can be much lower than the number of system pages
in umem.
Use ib_umem_num_pages() to size this buffer.
Cc: Moni Shoua <monis@mellanox.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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The buffer that holds the page DMA addresses is sized off umem->nmap.
This can potentially cause out of bound accesses on the PBL array when
iterating the umem DMA-mapped SGL. This is because if umem pages are
combined, umem->nmap can be much lower than the number of system pages
in umem.
Use ib_umem_num_pages() to size this buffer.
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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The PBL array that hold the page DMA address is sized off umem->nmap.
This can potentially cause out of bound accesses on the PBL array when
iterating the umem DMA-mapped SGL. This is because if umem pages are
combined, umem->nmap can be much lower than the number of system pages
in umem.
Use ib_umem_num_pages() to size this array.
Cc: Potnuri Bharat Teja <bharat@chelsio.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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umem->nmap is used while allocating internal buffer for storing
page DMA addresses. This causes out of bounds array access while iterating
the umem DMA-mapped SGL with umem page combining as umem->nmap can be
less than number of system pages in umem.
Use ib_umem_num_pages() instead of umem->nmap to size the page array.
Add a new structure (bnxt_qplib_sg_info) to pass sglist, npages and nmap.
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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This patch avoids that a compiler warning is reported when building with
W=1.
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Fixes: 49c0e2414b20 ("IB/qib: Change SDMA progression mode depending on single- or multi-rail")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Enable format string checking for hfi1_cdbg() and fix the resulting
compiler warnings.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Avoid that sparse complains about a missing declaration.
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Fixes: 6bf8f22aea0d ("IB/mlx5: Introduce MLX5_IB_OBJECT_DEVX_ASYNC_CMD_FD")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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This patch avoids that sparse reports the following warnings:
drivers/infiniband/core/uverbs_std_types_flow_action.c:442:30: warning: symbol 'uverbs_def_obj_flow_action' was not declared. Should it be static?
drivers/infiniband/core/uverbs_std_types_dm.c:112:30: warning: symbol 'uverbs_def_obj_dm' was not declared. Should it be static?
drivers/infiniband/core/uverbs_std_types_counters.c:153:30: warning: symbol 'uverbs_def_obj_counters' was not declared. Should it be static?
drivers/infiniband/core/uverbs_std_types_mr.c:213:30: warning: symbol 'uverbs_def_obj_mr' was not declared. Should it be static?
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Fixes: 0bd01f3d0907 ("RDMA/uverbs: Require all objects to have a driver destroy function")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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This patch avoids that sparse complains about a mismatch between the
returned value and the function return type.
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Fixes: c3bea3d2dc53 ("RDMA/uverbs: Use the iterator for ib_uverbs_unmarshall_recv()")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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This patch avoids that sparse and smatch report the following:
warning: cast removes address space of expression
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Fixes: 3a6532c9af1a ("RDMA/uverbs: Use uverbs_attr_bundle to pass udata for write")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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In the function rxe_init_packet, based on av->network_type, skb->protocol
is set to ipv4 or ipv6. The functions rxe_prepare and rxe_send are called
after the functin rxe_init_packet. So in these functions,
av->network_type can be replaced with skb->protocol.
The functions are in the xmit fast path. So with skb->protocol, the
performance will be better.
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Decode more information from the packet and include it in the trace.
Reviewed-by: "Ruhl, Michael J" <michael.j.ruhl@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Trace MADs going to/from user space.
Suggested-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Trace agent details when agents are [un]registered. In addition, report
agent details on send/recv.
Reviewed-by: "Ruhl, Michael J" <michael.j.ruhl@intel.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Trace received MAD details.
Reviewed-by: "Ruhl, Michael J" <michael.j.ruhl@intel.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Use the standard Linux trace mechanism to trace MADs being sent. 4 trace
points are added, when the MAD is posted to the qp, when the MAD is
completed, if a MAD is resent, and when the MAD completes in error.
Reviewed-by: "Ruhl, Michael J" <michael.j.ruhl@intel.com>
Suggested-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Caller already clears props before calling query_device.
Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Acked-by: Adit Ranadive <aditr@vmware.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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The InfiniBand Architecture Specification section 10.6.7.2.4 TYPE 2 MEMORY
WINDOWS says that if the CI supports the Base Memory Management Extensions
defined in this specification, the R_Key format for a Type 2 Memory Window
must consist of:
* 24 bit index in the most significant bits of the R_Key, which is owned
by the CI, and
* 8 bit key in the least significant bits of the R_Key, which is owned by
the Consumer.
This means that the kernel should compare only the index part of a R_Key
to determine equality with another R_Key.
Fixes: db570d7deafb ("IB/mlx5: Add ODP support to MW")
Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Move index increment after its is used or otherwise it will start the dump
of the WQE from second WQE BB.
Fixes: 34f4c9554d8b ("IB/mlx5: Use fragmented QP's buffer for in-kernel users")
Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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