fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / drivers / infiniband / hw / mthca / mthca_mad.c

diff --git a/drivers/infiniband/hw/mthca/mthca_mad.c b/drivers/infiniband/hw/mthca/mthca_mad.c
index 1229c60..acfa41d 100644 (file)
--- a/drivers/infiniband/hw/mthca/mthca_mad.c
+++ b/drivers/infiniband/hw/mthca/mthca_mad.c
@@ -49,6 +49,30 @@ enum {
        MTHCA_VENDOR_CLASS2 = 0xa
 };
 
+static int mthca_update_rate(struct mthca_dev *dev, u8 port_num)
+{
+       struct ib_port_attr *tprops = NULL;
+       int                  ret;
+
+       tprops = kmalloc(sizeof *tprops, GFP_KERNEL);
+       if (!tprops)
+               return -ENOMEM;
+
+       ret = ib_query_port(&dev->ib_dev, port_num, tprops);
+       if (ret) {
+               printk(KERN_WARNING "ib_query_port failed (%d) for %s port %d\n",
+                      ret, dev->ib_dev.name, port_num);
+               goto out;
+       }
+
+       dev->rate[port_num - 1] = tprops->active_speed *
+                                 ib_width_enum_to_int(tprops->active_width);
+
+out:
+       kfree(tprops);
+       return ret;
+}
+
 static void update_sm_ah(struct mthca_dev *dev,
                         u8 port_num, u16 lid, u8 sl)
 {
@@ -90,13 +114,22 @@ static void smp_snoop(struct ib_device *ibdev,
             mad->mad_hdr.mgmt_class  == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) &&
            mad->mad_hdr.method     == IB_MGMT_METHOD_SET) {
                if (mad->mad_hdr.attr_id == IB_SMP_ATTR_PORT_INFO) {
+                       struct ib_port_info *pinfo =
+                               (struct ib_port_info *) ((struct ib_smp *) mad)->data;
+
+                       mthca_update_rate(to_mdev(ibdev), port_num);
                        update_sm_ah(to_mdev(ibdev), port_num,
-                                    be16_to_cpup((__be16 *) (mad->data + 58)),
-                                    (*(u8 *) (mad->data + 76)) & 0xf);
+                                    be16_to_cpu(pinfo->sm_lid),
+                                    pinfo->neighbormtu_mastersmsl & 0xf);
 
                        event.device           = ibdev;
-                       event.event            = IB_EVENT_LID_CHANGE;
                        event.element.port_num = port_num;
+
+                       if(pinfo->clientrereg_resv_subnetto & 0x80)
+                               event.event    = IB_EVENT_CLIENT_REREGISTER;
+                       else
+                               event.event    = IB_EVENT_LID_CHANGE;
+
                        ib_dispatch_event(&event);
                }
 
@@ -109,6 +142,19 @@ static void smp_snoop(struct ib_device *ibdev,
        }
 }
 
+static void node_desc_override(struct ib_device *dev,
+                              struct ib_mad *mad)
+{
+       if ((mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED ||
+            mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) &&
+           mad->mad_hdr.method == IB_MGMT_METHOD_GET_RESP &&
+           mad->mad_hdr.attr_id == IB_SMP_ATTR_NODE_DESC) {
+               mutex_lock(&to_mdev(dev)->cap_mask_mutex);
+               memcpy(((struct ib_smp *) mad)->data, dev->node_desc, 64);
+               mutex_unlock(&to_mdev(dev)->cap_mask_mutex);
+       }
+}
+
 static void forward_trap(struct mthca_dev *dev,
                         u8 port_num,
                         struct ib_mad *mad)
@@ -207,8 +253,10 @@ int mthca_process_mad(struct ib_device *ibdev,
                return IB_MAD_RESULT_FAILURE;
        }
 
-       if (!out_mad->mad_hdr.status)
+       if (!out_mad->mad_hdr.status) {
                smp_snoop(ibdev, port_num, in_mad);
+               node_desc_override(ibdev, out_mad);
+       }
 
        /* set return bit in status of directed route responses */
        if (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
@@ -231,6 +279,7 @@ int mthca_create_agents(struct mthca_dev *dev)
 {
        struct ib_mad_agent *agent;
        int p, q;
+       int ret;
 
        spin_lock_init(&dev->sm_lock);
 
@@ -240,11 +289,23 @@ int mthca_create_agents(struct mthca_dev *dev)
                                                      q ? IB_QPT_GSI : IB_QPT_SMI,
                                                      NULL, 0, send_handler,
                                                      NULL, NULL);
-                       if (IS_ERR(agent))
+                       if (IS_ERR(agent)) {
+                               ret = PTR_ERR(agent);
                                goto err;
+                       }
                        dev->send_agent[p][q] = agent;
                }
 
+
+       for (p = 1; p <= dev->limits.num_ports; ++p) {
+               ret = mthca_update_rate(dev, p);
+               if (ret) {
+                       mthca_err(dev, "Failed to obtain port %d rate."
+                                 " aborting.\n", p);
+                       goto err;
+               }
+       }
+
        return 0;
 
 err:
@@ -253,7 +314,7 @@ err:
                        if (dev->send_agent[p][q])
                                ib_unregister_mad_agent(dev->send_agent[p][q]);
 
-       return PTR_ERR(agent);
+       return ret;
 }
 
 void mthca_free_agents(struct mthca_dev *dev)