From: Ira Weiny <[email protected]> This helper function will be used for processing both IB and OPA SMPs.
Signed-off-by: Ira Weiny <[email protected]> --- drivers/infiniband/core/mad.c | 85 +++++++++++++++++++++++++------------------ 1 file changed, 49 insertions(+), 36 deletions(-) diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 0ddfbd7..7bd67e8 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -1965,6 +1965,52 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv, } } +enum smi_action handle_ib_smi(struct ib_mad_port_private *port_priv, + struct ib_mad_qp_info *qp_info, + struct ib_wc *wc, + int port_num, + struct ib_mad_private *recv, + struct ib_mad_private *response) +{ + enum smi_forward_action retsmi; + + if (smi_handle_dr_smp_recv(&recv->mad.smp, + port_priv->device->node_type, + port_num, + port_priv->device->phys_port_cnt) == + IB_SMI_DISCARD) + return IB_SMI_DISCARD; + + retsmi = smi_check_forward_dr_smp(&recv->mad.smp); + if (retsmi == IB_SMI_LOCAL) + return IB_SMI_HANDLE; + + if (retsmi == IB_SMI_SEND) { /* don't forward */ + if (smi_handle_dr_smp_send(&recv->mad.smp, + port_priv->device->node_type, + port_num) == IB_SMI_DISCARD) + return IB_SMI_DISCARD; + + if (smi_check_local_smp(&recv->mad.smp, port_priv->device) == IB_SMI_DISCARD) + return IB_SMI_DISCARD; + } else if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH) { + /* forward case for switches */ + memcpy(response, recv, sizeof(*response)); + response->header.recv_wc.wc = &response->header.wc; + response->header.recv_wc.recv_buf.mad = &response->mad.mad; + response->header.recv_wc.recv_buf.grh = &response->grh; + + agent_send_response(&response->mad.mad, + &response->grh, wc, + port_priv->device, + smi_get_fwd_port(&recv->mad.smp), + qp_info->qp->qp_num); + + return IB_SMI_DISCARD; + } + return IB_SMI_HANDLE; +} + static bool generate_unmatched_resp(struct ib_mad_private *recv, struct ib_mad_private *response) { @@ -2037,45 +2083,12 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv, if (recv->mad.mad.mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) { - enum smi_forward_action retsmi; - - if (smi_handle_dr_smp_recv(&recv->mad.smp, - port_priv->device->node_type, - port_num, - port_priv->device->phys_port_cnt) == - IB_SMI_DISCARD) + if (handle_ib_smi(port_priv, qp_info, wc, port_num, recv, + response) + == IB_SMI_DISCARD) goto out; - - retsmi = smi_check_forward_dr_smp(&recv->mad.smp); - if (retsmi == IB_SMI_LOCAL) - goto local; - - if (retsmi == IB_SMI_SEND) { /* don't forward */ - if (smi_handle_dr_smp_send(&recv->mad.smp, - port_priv->device->node_type, - port_num) == IB_SMI_DISCARD) - goto out; - - if (smi_check_local_smp(&recv->mad.smp, port_priv->device) == IB_SMI_DISCARD) - goto out; - } else if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH) { - /* forward case for switches */ - memcpy(response, recv, sizeof(*response)); - response->header.recv_wc.wc = &response->header.wc; - response->header.recv_wc.recv_buf.mad = &response->mad.mad; - response->header.recv_wc.recv_buf.grh = &response->grh; - - agent_send_response(&response->mad.mad, - &response->grh, wc, - port_priv->device, - smi_get_fwd_port(&recv->mad.smp), - qp_info->qp->qp_num); - - goto out; - } } -local: /* Give driver "right of first refusal" on incoming MAD */ if (port_priv->device->process_mad) { size_t resp_mad_size = sizeof(struct ib_mad); -- 1.8.2 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
