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authorRaju Rangoju <rajur@chelsio.com>2019-02-14 17:40:54 +0530
committerJason Gunthorpe <jgg@mellanox.com>2019-02-15 09:39:39 -0700
commitf09ef134a7ca3f0d2ce485a757f5b79809ebb803 (patch)
tree67e380a63e30f141668ef179aee523140d12058b /tools/perf/scripts/python/net_dropmonitor.py
parentfc4144e7815b7747b6aba140d7a91da45ee9dd8c (diff)
iw_cxgb4: cq/qp mask depends on bar2 pages in a host page
Adjust the cq/qp mask based on the number of bar2 pages in a host page. For user-mode rdma, the granularity of the BAR2 memory mapped to a user rdma process during queue allocation must be based on the host page size. The lld attributes udb_density and ucq_density are used to figure out how many sge contexts are in a bar2 page. So the rdev->qpmask and rdev->cqmask in iw_cxgb4 need to now be adjusted based on how many sge bar2 pages are in a host page. Otherwise the device fails to work on non 4k page size systems. Fixes: 2391b0030e24 ("cxgb4: Remove SGE_HOST_PAGE_SIZE dependency on page size") Signed-off-by: Raju Rangoju <rajur@chelsio.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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