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2018-03-15i40iw: Refactor of driver generated AEsHenry Orosco1-1/+4
The flush CQP OP can be used to optionally generate Asynchronous Events (AEs) in addition to QP flush. Consolidate all HW AE generation code under a new function i40iw_gen_ae which use the flush CQP OP to only generate AEs. Signed-off-by: Henry Orosco <henry.orosco@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-27Merge branch 'from-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.gitJason Gunthorpe1-2/+4
Patches for 4.16 that are dependent on patches sent to 4.15-rc. These are small clean ups for the vmw_pvrdma and i40iw drivers. * 'from-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git: RDMA/vmw_pvrdma: Remove usage of BIT() from UAPI header RDMA/vmw_pvrdma: Use refcount_t instead of atomic_t RDMA/vmw_pvrdma: Use more specific sizeof in kcalloc RDMA/vmw_pvrdma: Clarify QP and CQ is_kernel logic RDMA/vmw_pvrdma: Add UAR SRQ macros in ABI header file i40iw: Change accelerated flag to bool
2017-12-22i40iw: Fix sequence number for the first partial FPDUShiraz Saleem1-0/+1
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>
2017-12-01i40iw: Correct ARP index maskMustafa Ismail1-1/+1
The ARP table entry indexes are aliased to 12bits instead of the intended 16bits when uploaded to the QP Context. This will present an issue when the number of connections exceeds 4096 as ARP entries are reused. Fix this by adjusting the mask to account for the full 16bits. Fixes: 4e9042e647ff ("i40iw: add hw and utils files") 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>
2017-12-01i40iw: Allocate a sdbuf per CQP WQEChien Tin Tung1-1/+3
Currently there is only one sdbuf per Control QP (CQP) for programming Segment Descriptor (SD). If multiple SD work requests are posted simultaneously, the sdbuf is reused by all WQEs and new WQEs can corrupt previous WQEs sdbuf leading to incorrect SD programming. Fix this by allocating one sdbuf per CQP SQ WQE. When an SD command is posted, it will use the corresponding sdbuf for the WQE. Fixes: 86dbcd0f12e9 ("i40iw: add file to handle cqp calls") Signed-off-by: Chien Tin Tung <chien.tin.tung@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-10-18i40iw: Refactor queue depth calculationShiraz Saleem1-2/+7
Queue depth calculations use a mix of work requests and actual number of bytes. Consolidate all calculations using minimum WQE size to avoid confusion. Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2017-10-18i40iw: Reinitialize IEQ on MTU changeShiraz Saleem1-0/+3
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>
2017-10-18i40iw: Account for IPv6 header when setting MSSShiraz Saleem1-0/+4
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>
2017-10-18i40iw: Remove unused static_rsrc from i40iw_create_qp_infoMustafa Ismail1-3/+0
The field static_rsrc in i40iw_create_qp_info is unused and not needed. Remove it. 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>
2017-10-18i40iw: Ignore AE source field in AEQE for some AEsMustafa Ismail1-0/+1
The AE source field in Asynchronous Event Queue Entry (AEQE) is not set by the hardware for some AEs, but the code assumes it does. This results in incorrect processing of some AEs. Fix this by setting ae_src to I40IW_AE_SOURCE_RSVD for those AEs. Fixes: 86dbcd0f12e9 ("i40iw: add file to handle cqp calls") 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>
2017-10-18i40iw: Cleanup AE processingMustafa Ismail1-8/+2
Remove unimplemented Asynchronous Events (AE) and correct names. 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>
2017-08-16i40iw: Fix parsing of query/commit FPM buffersChien Tin Tung1-2/+2
Parsing of commit/query Host Memory Cache Function Private Memory is not skipping over reserved fields and incorrectly assigning those values into object's base/cnt/max_cnt fields. Skip over reserved fields and set correct values. Also correct memory alignment requirement for commit/query FPM buffers. Signed-off-by: Chien Tin Tung <chien.tin.tung@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> 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>
2016-12-12i40iw: Reorganize structures to align with HW capabilitiesHenry Orosco1-8/+13
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>
2016-12-05i40iw: Add missing cleanup on device closeMustafa Ismail1-0/+2
On i40iw device close, disconnect all connected QPs by moving them to error state; and block further QPs, PDs and CQs from being created. Additionally, make sure all resources have been freed before deallocating the ibdev as part of the device close. 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>
2016-12-03i40iw: Add Quality of Service supportHenry Orosco1-0/+2
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>
2016-08-02i40iw: Remove unnecessary check for moving CQ headMustafa Ismail1-0/+3
In i40iw_cq_poll_completion, we always move the tail. So there is no reason to check for overflow everytime we move the head. 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>
2016-04-28RDMA/i40iw: Fixes for WQE alignmentShiraz Saleem1-0/+2
Invalidation after every WQE write is changed to invalidate only if required. NOPs are padded so that WQE writes are aligned to 64B boundary. Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Signed-off-by: Faisal Latif <faisal.latif@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-04-28RDMA/i40iw: Correct QP size calculationIsmail, Mustafa1-1/+1
Include inline data size as part of SQ size calculation. RQ size calculation uses only number of SGEs and does not support 96 byte WQE size. Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-03-16i40iw: add hardware related header filesFaisal Latif1-0/+1713
header files for hardware accesses Signed-off-by: Faisal Latif <faisal.latif@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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