diff options
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_qp.c | 61 | ||||
-rw-r--r-- | drivers/infiniband/hw/mthca/mthca_srq.c | 6 |
2 files changed, 47 insertions, 20 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index f673c461e30..1bc2678c2fa 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -483,13 +483,20 @@ out: return err; } -static void mthca_path_set(struct ib_ah_attr *ah, struct mthca_qp_path *path) +static int mthca_path_set(struct mthca_dev *dev, struct ib_ah_attr *ah, + struct mthca_qp_path *path) { path->g_mylmc = ah->src_path_bits & 0x7f; path->rlid = cpu_to_be16(ah->dlid); path->static_rate = !!ah->static_rate; if (ah->ah_flags & IB_AH_GRH) { + if (ah->grh.sgid_index >= dev->limits.gid_table_len) { + mthca_dbg(dev, "sgid_index (%u) too large. max is %d\n", + ah->grh.sgid_index, dev->limits.gid_table_len-1); + return -1; + } + path->g_mylmc |= 1 << 7; path->mgid_index = ah->grh.sgid_index; path->hop_limit = ah->grh.hop_limit; @@ -500,6 +507,8 @@ static void mthca_path_set(struct ib_ah_attr *ah, struct mthca_qp_path *path) memcpy(path->rgid, ah->grh.dgid.raw, 16); } else path->sl_tclass_flowlabel = cpu_to_be32(ah->sl << 28); + + return 0; } int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) @@ -592,8 +601,14 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) if (qp->transport == MLX || qp->transport == UD) qp_context->mtu_msgmax = (IB_MTU_2048 << 5) | 11; - else if (attr_mask & IB_QP_PATH_MTU) + else if (attr_mask & IB_QP_PATH_MTU) { + if (attr->path_mtu < IB_MTU_256 || attr->path_mtu > IB_MTU_2048) { + mthca_dbg(dev, "path MTU (%u) is invalid\n", + attr->path_mtu); + return -EINVAL; + } qp_context->mtu_msgmax = (attr->path_mtu << 5) | 31; + } if (mthca_is_memfree(dev)) { if (qp->rq.max) @@ -642,7 +657,9 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) } if (attr_mask & IB_QP_AV) { - mthca_path_set(&attr->ah_attr, &qp_context->pri_path); + if (mthca_path_set(dev, &attr->ah_attr, &qp_context->pri_path)) + return -EINVAL; + qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_PRIMARY_ADDR_PATH); } @@ -664,7 +681,9 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) return -EINVAL; } - mthca_path_set(&attr->alt_ah_attr, &qp_context->alt_path); + if (mthca_path_set(dev, &attr->alt_ah_attr, &qp_context->alt_path)) + return -EINVAL; + qp_context->alt_path.port_pkey |= cpu_to_be32(attr->alt_pkey_index | attr->alt_port_num << 24); qp_context->alt_path.ackto = attr->alt_timeout << 3; @@ -758,21 +777,20 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) err = mthca_MODIFY_QP(dev, cur_state, new_state, qp->qpn, 0, mailbox, sqd_event, &status); + if (err) + goto out; if (status) { mthca_warn(dev, "modify QP %d->%d returned status %02x.\n", cur_state, new_state, status); err = -EINVAL; + goto out; } - if (!err) { - qp->state = new_state; - if (attr_mask & IB_QP_ACCESS_FLAGS) - qp->atomic_rd_en = attr->qp_access_flags; - if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) - qp->resp_depth = attr->max_dest_rd_atomic; - } - - mthca_free_mailbox(dev, mailbox); + qp->state = new_state; + if (attr_mask & IB_QP_ACCESS_FLAGS) + qp->atomic_rd_en = attr->qp_access_flags; + if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) + qp->resp_depth = attr->max_dest_rd_atomic; if (is_sqp(dev, qp)) store_attrs(to_msqp(qp), attr, attr_mask); @@ -797,7 +815,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) * If we moved a kernel QP to RESET, clean up all old CQ * entries and reinitialize the QP. */ - if (!err && new_state == IB_QPS_RESET && !qp->ibqp.uobject) { + if (new_state == IB_QPS_RESET && !qp->ibqp.uobject) { mthca_cq_clean(dev, to_mcq(qp->ibqp.send_cq)->cqn, qp->qpn, qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); if (qp->ibqp.send_cq != qp->ibqp.recv_cq) @@ -816,6 +834,8 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) } } +out: + mthca_free_mailbox(dev, mailbox); return err; } @@ -1177,10 +1197,6 @@ int mthca_alloc_qp(struct mthca_dev *dev, { int err; - err = mthca_set_qp_size(dev, cap, pd, qp); - if (err) - return err; - switch (type) { case IB_QPT_RC: qp->transport = RC; break; case IB_QPT_UC: qp->transport = UC; break; @@ -1188,6 +1204,10 @@ int mthca_alloc_qp(struct mthca_dev *dev, default: return -EINVAL; } + err = mthca_set_qp_size(dev, cap, pd, qp); + if (err) + return err; + qp->qpn = mthca_alloc(&dev->qp_table.alloc); if (qp->qpn == -1) return -ENOMEM; @@ -1220,6 +1240,7 @@ int mthca_alloc_sqp(struct mthca_dev *dev, u32 mqpn = qpn * 2 + dev->qp_table.sqp_start + port - 1; int err; + sqp->qp.transport = MLX; err = mthca_set_qp_size(dev, cap, pd, &sqp->qp); if (err) return err; @@ -1980,8 +2001,8 @@ int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, wmb(); ((struct mthca_next_seg *) prev_wqe)->ee_nds = cpu_to_be32(MTHCA_NEXT_DBD | size | - ((wr->send_flags & IB_SEND_FENCE) ? - MTHCA_NEXT_FENCE : 0)); + ((wr->send_flags & IB_SEND_FENCE) ? + MTHCA_NEXT_FENCE : 0)); if (!size0) { size0 = size; diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c index 47a6a754a59..0cfd1580221 100644 --- a/drivers/infiniband/hw/mthca/mthca_srq.c +++ b/drivers/infiniband/hw/mthca/mthca_srq.c @@ -205,6 +205,10 @@ int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd, ds = max(64UL, roundup_pow_of_two(sizeof (struct mthca_next_seg) + srq->max_gs * sizeof (struct mthca_data_seg))); + + if (ds > dev->limits.max_desc_sz) + return -EINVAL; + srq->wqe_shift = long_log2(ds); srq->srqn = mthca_alloc(&dev->srq_table.alloc); @@ -354,6 +358,8 @@ int mthca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, return -EINVAL; if (attr_mask & IB_SRQ_LIMIT) { + if (attr->srq_limit > srq->max) + return -EINVAL; ret = mthca_ARM_SRQ(dev, srq->srqn, attr->srq_limit, &status); if (ret) return ret; |