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Currently the TX pending lists for IEQ and ILQ are
handled separately. The handling of both can be
consolidated in i40iw_poll_completion.
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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The iWARP Exception Queue (IEQ) resources are not freed when a QP is
destroyed. Fix this by freeing IEQ resources when freeing QP resources.
Fixes: d37498417947 ("i40iw: add files for iwarp interface")
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Partial FPDU processing is broken as the sequence number
for the first partial FPDU is wrong due to incorrect
Q2 buffer offset. The offset should be 64 rather than 16.
Fixes: 786c6adb3a94 ("i40iw: add puda code")
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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If User-space Direct Access (UDA) QP creation fails,
the QP entry is not removed from QoS list. Fix this
by removing QP from QoS list if create QP fails.
Fixes: 0fc2dc58896f ("i40iw: Add Quality of Service support")
Signed-off-by: Ivan Barrera <ivan.d.barrera@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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On a netdev MTU change event, the iWARP
Exception Queue (IEQ) buffers may not be
sized properly to handle the new MTU.
Reinitialize the IEQ with new MTU size on MTU
change event.
Also, add define for the max ethernet frame size
field in IEQ QP context instead of the snd_mss
define which is for iWARP QPs' MSS field.
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Completion Event Queues are created and destroyed on
a per device basis as opposed to per User-space Direct
Access resource.
Move ceq_valid to the correct place in i40iw_sc_dev
from i40iw_puda_rsrc.
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The IPv6 header size is not subtracted from MTU when MSS is
set for QPs.
Save MTU opposed to MSS in the vsi struct during
initialization and calculate the MSS based on IPv4 vs
IPv6 connection.
Fixes: f27b4746f378 ("i40iw: add connection management code")
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The early for-next branch was based on v4.14-rc2, while the shared pull
request I got from Mellanox used a v4.14-rc4 base. I'm making the
branch that was the shared Mellanox pull request the new for-next branch
and merging the early for-next branch into it.
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Avoid that gcc 7 reports the following warning when building with W=1:
warning: this statement may fall through [-Wimplicit-fallthrough=]
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Remove duplicate set_64bit_val call to offset 24.
Replace some instances of set_64bit_val with
i40iw_insert_wqe_hdr as valid bit needs a write
barrier and should be the last write operation for the WQE.
Fixes: 786c6adb3a94 ("i40iw: add puda code")
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Merging our (hopefully) final -rc pull branch into our for-next branch
because some of our pending patches won't apply cleanly without having
the -rc patches in our tree.
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Trivial fix to spelling mistake in i40iw_debug message and
also split up a couple of lines that are too long and cause
checkpatch warnings
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Utilize correct alignment variable when allocating
DMA memory for CQ0.
Signed-off-by: Christopher N Bednarz <christopher.n.bednarz@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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To avoid infinite loop, in i40iw_ieq_handle_exception, update
plist inside while loop.
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Add missing write memory barrier before writing the
header containing valid bit to the WQE in i40iw_puda_send.
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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RQ WQE size other than 128B is not supported. Correct
RQ size calculation to use 128B only.
Since this breaks ABI, add additional code to
provide compatibility with v4 user provider, libi40iw.
Signed-off-by: Chien Tin Tung <chien.tin.tung@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Some resources are incorrectly organized and at odds with
HW capabilities. Specifically, ILQ, IEQ, QPs, MSS, QOS
and statistics belong in a VSI.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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In i40iw_ieq_handle_partial() the check for !status is incorrect.
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Add support for QoS on QPs. Upon device initialization,
a map is created from user priority to queue set
handles. On QP creation, use ToS to look up the queue
set handle for use with the QP.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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i40iw_puda_get_listbuf may return NULL if the list is empty.
Add NULL check prior to accessing the pointer.
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Fix endian warnings and errors due to u32 stored to u16.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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This patch replaces the obsolete crypto hash interface with shash
and resolves a build failure after merge of the rdma tree
which is caused by the removal of crypto hash interface
Removing CRYPTO_ALG_ASYNC from crypto_alloc_shash(),
because it is by definition sync only
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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i40iw_puda.[ch] are files to handle iwarp connection packets as
well as exception packets over multiple privilege mode uda queues.
Acked-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Mustafa Ismail
Shiraz Saleem
Ivan Barrera
Doug Ledford
Bart Van Assche
Colin Ian King
Christopher N Bednarz
Henry Orosco
Chien Tin Tung
Tatyana Nikolova
Faisal Latif