diff options
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_qp.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index 7450550db736..c5c3d0edbbf5 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -591,6 +591,20 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) return -EINVAL; } + if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && + attr->max_rd_atomic > dev->limits.max_qp_init_rdma) { + mthca_dbg(dev, "Max rdma_atomic as initiator %u too large (max is %d)\n", + attr->max_rd_atomic, dev->limits.max_qp_init_rdma); + return -EINVAL; + } + + if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && + attr->max_dest_rd_atomic > 1 << dev->qp_table.rdb_shift) { + mthca_dbg(dev, "Max rdma_atomic as responder %u too large (max %d)\n", + attr->max_dest_rd_atomic, 1 << dev->qp_table.rdb_shift); + return -EINVAL; + } + mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); |