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path: root/drivers/infiniband/hw/mthca
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Diffstat (limited to 'drivers/infiniband/hw/mthca')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_qp.c61
-rw-r--r--drivers/infiniband/hw/mthca/mthca_srq.c6
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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-07 12:56:16 +0000