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* RDMA/bnxt_re: Fixing the Control path command and response handlingDevesh Sharma2017-06-131-41/+20
| | | | | | | | | | | | | | | | | Fixing a concurrency issue with creq handling. Each caller was given a globally managed crsq element, which was accessed outside a lock. This could result in corruption, if lot of applications are simultaneously issuing Control Path commands. Now, each caller will provide its own response buffer and the responses will be copied under a lock. Also, Fixing the queue full condition check for the CMDQ. As a part of these changes, the control path code is refactored to remove the code replication in the response status checking. Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com> Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* RDMA/bnxt_re: Add bnxt_re RoCE driverSelvin Xavier2017-02-141-0/+231
This patch introduces the RoCE driver for the Broadcom NetXtreme-E 10/25/40/50G RoCE HCAs. The RoCE driver is a two part driver that relies on the parent bnxt_en NIC driver to operate. The changes needed in the bnxt_en driver have already been incorporated via Dave Miller's net tree into the mainline kernel. The vendor official git repository for this driver is available on github as: https://github.com/Broadcom/linux-rdma-nxt/ Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com> Signed-off-by: Somnath Kotur <somnath.kotur@broadcom.com> Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com> Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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