[PATCH][1/11] IB: simplify MAD code

2005-03-02 Thread Roland Dreier
From: Hal Rosenstock <[EMAIL PROTECTED]>

Remove unneeded MAD agent registration by using a single agent for
both directed-route and LID-routed MADs.

Signed-off-by: Hal Rosenstock <[EMAIL PROTECTED]>
Signed-off-by: Roland Dreier <[EMAIL PROTECTED]>


--- linux-export.orig/drivers/infiniband/core/agent.c   2005-03-02 
20:26:03.280776011 -0800
+++ linux-export/drivers/infiniband/core/agent.c2005-03-02 
20:26:10.599187430 -0800
@@ -66,14 +66,13 @@
 
if (device) {
list_for_each_entry(entry, _agent_port_list, port_list) {
-   if (entry->dr_smp_agent->device == device &&
+   if (entry->smp_agent->device == device &&
entry->port_num == port_num)
return entry;
}
} else {
list_for_each_entry(entry, _agent_port_list, port_list) {
-   if ((entry->dr_smp_agent == mad_agent) ||
-   (entry->lr_smp_agent == mad_agent) ||
+   if ((entry->smp_agent == mad_agent) ||
(entry->perf_mgmt_agent == mad_agent))
return entry;
}
@@ -111,7 +110,7 @@
return 1;
}
 
-   return smi_check_local_smp(port_priv->dr_smp_agent, smp);
+   return smi_check_local_smp(port_priv->smp_agent, smp);
 }
 
 static int agent_mad_send(struct ib_mad_agent *mad_agent,
@@ -231,10 +230,8 @@
/* Get mad agent based on mgmt_class in MAD */
switch (mad->mad.mad.mad_hdr.mgmt_class) {
case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:
-   mad_agent = port_priv->dr_smp_agent;
-   break;
case IB_MGMT_CLASS_SUBN_LID_ROUTED:
-   mad_agent = port_priv->lr_smp_agent;
+   mad_agent = port_priv->smp_agent;
break;
case IB_MGMT_CLASS_PERF_MGMT:
mad_agent = port_priv->perf_mgmt_agent;
@@ -284,7 +281,6 @@
 {
int ret;
struct ib_agent_port_private *port_priv;
-   struct ib_mad_reg_req reg_req;
unsigned long flags;
 
/* First, check if port already open for SMI */
@@ -308,35 +304,19 @@
spin_lock_init(_priv->send_list_lock);
INIT_LIST_HEAD(_priv->send_posted_list);
 
-   /* Obtain MAD agent for directed route SM class */
-   reg_req.mgmt_class = IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE;
-   reg_req.mgmt_class_version = 1;
-
-   port_priv->dr_smp_agent = ib_register_mad_agent(device, port_num,
-   IB_QPT_SMI,
-   NULL, 0,
-  _send_handler,
-   NULL, NULL);
+   /* Obtain send only MAD agent for SM class (SMI QP) */
+   port_priv->smp_agent = ib_register_mad_agent(device, port_num,
+IB_QPT_SMI,
+NULL, 0,
+   _send_handler,
+NULL, NULL);
 
-   if (IS_ERR(port_priv->dr_smp_agent)) {
-   ret = PTR_ERR(port_priv->dr_smp_agent);
+   if (IS_ERR(port_priv->smp_agent)) {
+   ret = PTR_ERR(port_priv->smp_agent);
goto error2;
}
 
-   /* Obtain MAD agent for LID routed SM class */
-   reg_req.mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
-   port_priv->lr_smp_agent = ib_register_mad_agent(device, port_num,
-   IB_QPT_SMI,
-   NULL, 0,
-  _send_handler,
-   NULL, NULL);
-   if (IS_ERR(port_priv->lr_smp_agent)) {
-   ret = PTR_ERR(port_priv->lr_smp_agent);
-   goto error3;
-   }
-
-   /* Obtain MAD agent for PerfMgmt class */
-   reg_req.mgmt_class = IB_MGMT_CLASS_PERF_MGMT;
+   /* Obtain send only MAD agent for PerfMgmt class (GSI QP) */
port_priv->perf_mgmt_agent = ib_register_mad_agent(device, port_num,
   IB_QPT_GSI,
   NULL, 0,
@@ -344,15 +324,15 @@
   NULL, NULL);
if (IS_ERR(port_priv->perf_mgmt_agent)) {
ret = PTR_ERR(port_priv->perf_mgmt_agent);
-   goto error4;
+   goto error3;
}
 
-   port_priv->mr = ib_get_dma_mr(port_priv->dr_smp_agent->qp->pd,
+   port_priv->mr = ib_get_dma_mr(port_priv->smp_agent->qp->pd,
  

[PATCH][1/11] IB: simplify MAD code

2005-03-02 Thread Roland Dreier
From: Hal Rosenstock [EMAIL PROTECTED]

Remove unneeded MAD agent registration by using a single agent for
both directed-route and LID-routed MADs.

Signed-off-by: Hal Rosenstock [EMAIL PROTECTED]
Signed-off-by: Roland Dreier [EMAIL PROTECTED]


--- linux-export.orig/drivers/infiniband/core/agent.c   2005-03-02 
20:26:03.280776011 -0800
+++ linux-export/drivers/infiniband/core/agent.c2005-03-02 
20:26:10.599187430 -0800
@@ -66,14 +66,13 @@
 
if (device) {
list_for_each_entry(entry, ib_agent_port_list, port_list) {
-   if (entry-dr_smp_agent-device == device 
+   if (entry-smp_agent-device == device 
entry-port_num == port_num)
return entry;
}
} else {
list_for_each_entry(entry, ib_agent_port_list, port_list) {
-   if ((entry-dr_smp_agent == mad_agent) ||
-   (entry-lr_smp_agent == mad_agent) ||
+   if ((entry-smp_agent == mad_agent) ||
(entry-perf_mgmt_agent == mad_agent))
return entry;
}
@@ -111,7 +110,7 @@
return 1;
}
 
-   return smi_check_local_smp(port_priv-dr_smp_agent, smp);
+   return smi_check_local_smp(port_priv-smp_agent, smp);
 }
 
 static int agent_mad_send(struct ib_mad_agent *mad_agent,
@@ -231,10 +230,8 @@
/* Get mad agent based on mgmt_class in MAD */
switch (mad-mad.mad.mad_hdr.mgmt_class) {
case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:
-   mad_agent = port_priv-dr_smp_agent;
-   break;
case IB_MGMT_CLASS_SUBN_LID_ROUTED:
-   mad_agent = port_priv-lr_smp_agent;
+   mad_agent = port_priv-smp_agent;
break;
case IB_MGMT_CLASS_PERF_MGMT:
mad_agent = port_priv-perf_mgmt_agent;
@@ -284,7 +281,6 @@
 {
int ret;
struct ib_agent_port_private *port_priv;
-   struct ib_mad_reg_req reg_req;
unsigned long flags;
 
/* First, check if port already open for SMI */
@@ -308,35 +304,19 @@
spin_lock_init(port_priv-send_list_lock);
INIT_LIST_HEAD(port_priv-send_posted_list);
 
-   /* Obtain MAD agent for directed route SM class */
-   reg_req.mgmt_class = IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE;
-   reg_req.mgmt_class_version = 1;
-
-   port_priv-dr_smp_agent = ib_register_mad_agent(device, port_num,
-   IB_QPT_SMI,
-   NULL, 0,
-  agent_send_handler,
-   NULL, NULL);
+   /* Obtain send only MAD agent for SM class (SMI QP) */
+   port_priv-smp_agent = ib_register_mad_agent(device, port_num,
+IB_QPT_SMI,
+NULL, 0,
+   agent_send_handler,
+NULL, NULL);
 
-   if (IS_ERR(port_priv-dr_smp_agent)) {
-   ret = PTR_ERR(port_priv-dr_smp_agent);
+   if (IS_ERR(port_priv-smp_agent)) {
+   ret = PTR_ERR(port_priv-smp_agent);
goto error2;
}
 
-   /* Obtain MAD agent for LID routed SM class */
-   reg_req.mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
-   port_priv-lr_smp_agent = ib_register_mad_agent(device, port_num,
-   IB_QPT_SMI,
-   NULL, 0,
-  agent_send_handler,
-   NULL, NULL);
-   if (IS_ERR(port_priv-lr_smp_agent)) {
-   ret = PTR_ERR(port_priv-lr_smp_agent);
-   goto error3;
-   }
-
-   /* Obtain MAD agent for PerfMgmt class */
-   reg_req.mgmt_class = IB_MGMT_CLASS_PERF_MGMT;
+   /* Obtain send only MAD agent for PerfMgmt class (GSI QP) */
port_priv-perf_mgmt_agent = ib_register_mad_agent(device, port_num,
   IB_QPT_GSI,
   NULL, 0,
@@ -344,15 +324,15 @@
   NULL, NULL);
if (IS_ERR(port_priv-perf_mgmt_agent)) {
ret = PTR_ERR(port_priv-perf_mgmt_agent);
-   goto error4;
+   goto error3;
}
 
-   port_priv-mr = ib_get_dma_mr(port_priv-dr_smp_agent-qp-pd,
+   port_priv-mr = ib_get_dma_mr(port_priv-smp_agent-qp-pd,
  IB_ACCESS_LOCAL_WRITE);