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nvme-rdma: Check remotely invalidated rkey matches our expected rkey
If we got a remote invalidation on a bogus rkey, this is a protocol error. Fail the connection in this case. Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Max Gurtovoy <maxg@mellanox.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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1 changed files with 7 additions and 2 deletions
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@ -1334,8 +1334,13 @@ static int nvme_rdma_process_nvme_rsp(struct nvme_rdma_queue *queue,
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req->status = cqe->status;
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req->result = cqe->result;
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if ((wc->wc_flags & IB_WC_WITH_INVALIDATE) &&
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wc->ex.invalidate_rkey == req->mr->rkey) {
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if (wc->wc_flags & IB_WC_WITH_INVALIDATE) {
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if (unlikely(wc->ex.invalidate_rkey != req->mr->rkey)) {
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dev_err(queue->ctrl->ctrl.device,
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"Bogus remote invalidation for rkey %#x\n",
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req->mr->rkey);
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nvme_rdma_error_recovery(queue->ctrl);
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}
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req->mr->need_inval = false;
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} else if (req->mr->need_inval) {
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ret = nvme_rdma_inv_rkey(queue, req);
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