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;
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)
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)
}
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);
}
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;
{
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;
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;
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;