Commit 3ef0279b authored by Sagi Grimberg's avatar Sagi Grimberg Committed by Christoph Hellwig

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: default avatarSagi Grimberg <sagi@grimberg.me>
Reviewed-by: default avatarMax Gurtovoy <maxg@mellanox.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 2f122e4f
...@@ -1334,8 +1334,13 @@ static int nvme_rdma_process_nvme_rsp(struct nvme_rdma_queue *queue, ...@@ -1334,8 +1334,13 @@ static int nvme_rdma_process_nvme_rsp(struct nvme_rdma_queue *queue,
req->status = cqe->status; req->status = cqe->status;
req->result = cqe->result; req->result = cqe->result;
if ((wc->wc_flags & IB_WC_WITH_INVALIDATE) && if (wc->wc_flags & IB_WC_WITH_INVALIDATE) {
wc->ex.invalidate_rkey == req->mr->rkey) { if (unlikely(wc->ex.invalidate_rkey != req->mr->rkey)) {
dev_err(queue->ctrl->ctrl.device,
"Bogus remote invalidation for rkey %#x\n",
req->mr->rkey);
nvme_rdma_error_recovery(queue->ctrl);
}
req->mr->need_inval = false; req->mr->need_inval = false;
} else if (req->mr->need_inval) { } else if (req->mr->need_inval) {
ret = nvme_rdma_inv_rkey(queue, req); ret = nvme_rdma_inv_rkey(queue, req);
......
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