diff options
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_qp.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index f673c461e30..c4b74dbc16f 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; |