[ofa-general] [PATCH 4/5] opensm/opensm/osm_trap_rcv.c: respond to new trap 144 node description update flag

[Ira Weiny]

>From 72f64c6eb0b82ea7dc8980733eb41660e2f40b1a Mon Sep 17 00:00:00 2001
From: Ira K. Weiny <weiny2 at llnl.gov>
Date: Thu, 20 Mar 2008 17:59:01 -0700
Subject: [PATCH] opensm/opensm/osm_trap_rcv.c: respond to new trap 144 node description update flag

Signed-off-by: Ira K. Weiny <weiny2 at llnl.gov>
---
 opensm/opensm/osm_node_info_rcv.c |   40 +++++++++++++++++++++++++-----------
 opensm/opensm/osm_trap_rcv.c      |   22 ++++++++++++++++++++
 2 files changed, 50 insertions(+), 12 deletions(-)

diff --git a/opensm/opensm/osm_node_info_rcv.c b/opensm/opensm/osm_node_info_rcv.c
index 9b2c74c..6818e05 100644
--- a/opensm/opensm/osm_node_info_rcv.c
+++ b/opensm/opensm/osm_node_info_rcv.c
@@ -306,17 +306,41 @@ __osm_ni_rcv_process_new_node(IN osm_sm_t * sm,
 /**********************************************************************
  The plock must be held before calling this function.
 **********************************************************************/
+void
+osm_req_get_node_desc(IN osm_sm_t * sm,
+			osm_physp_t *p_physp)
+{
+	ib_api_status_t status = IB_SUCCESS;
+	osm_madw_context_t context;
+
+	OSM_LOG_ENTER(sm->p_log);
+
+	context.nd_context.node_guid =
+		osm_node_get_node_guid(osm_physp_get_node_ptr(p_physp));
+
+	status = osm_req_get(sm, osm_physp_get_dr_path_ptr(p_physp),
+			     IB_MAD_ATTR_NODE_DESC,
+			     0, CL_DISP_MSGID_NONE, &context);
+	if (status != IB_SUCCESS)
+		OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0D03: "
+			"Failure initiating NodeDescription request (%s)\n",
+			ib_get_err_str(status));
+
+	OSM_LOG_EXIT(sm->p_log);
+}
+
+/**********************************************************************
+ The plock must be held before calling this function.
+**********************************************************************/
 static void
 __osm_ni_rcv_get_node_desc(IN osm_sm_t * sm,
 			   IN osm_node_t * const p_node,
 			   IN const osm_madw_t * const p_madw)
 {
-	ib_api_status_t status = IB_SUCCESS;
-	osm_madw_context_t context;
-	osm_physp_t *p_physp;
 	ib_node_info_t *p_ni;
 	ib_smp_t *p_smp;
 	uint8_t port_num;
+	osm_physp_t *p_physp = NULL;
 
 	OSM_LOG_ENTER(sm->p_log);
 
@@ -334,15 +358,7 @@ __osm_ni_rcv_get_node_desc(IN osm_sm_t * sm,
 	 */
 	p_physp = osm_node_get_physp_ptr(p_node, port_num);
 
-	context.nd_context.node_guid = osm_node_get_node_guid(p_node);
-
-	status = osm_req_get(sm, osm_physp_get_dr_path_ptr(p_physp),
-			     IB_MAD_ATTR_NODE_DESC,
-			     0, CL_DISP_MSGID_NONE, &context);
-	if (status != IB_SUCCESS)
-		OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0D03: "
-			"Failure initiating NodeDescription request (%s)\n",
-			ib_get_err_str(status));
+	osm_req_get_node_desc(sm, p_physp);
 
 	OSM_LOG_EXIT(sm->p_log);
 }
diff --git a/opensm/opensm/osm_trap_rcv.c b/opensm/opensm/osm_trap_rcv.c
index 5cf5a21..bc8311d 100644
--- a/opensm/opensm/osm_trap_rcv.c
+++ b/opensm/opensm/osm_trap_rcv.c
@@ -61,6 +61,8 @@
 #include <opensm/osm_inform.h>
 #include <opensm/osm_opensm.h>
 
+extern void osm_req_get_node_desc(IN osm_sm_t * sm, osm_physp_t *p_physp);
+
 /**********************************************************************
  *
  * TRAP HANDLING:
@@ -577,6 +579,26 @@ __osm_trap_rcv_process_request(IN osm_sm_t * sm,
 		}
 	}
 
+	/* Check for node descriptor update. IB Spec v1.2.1 pg 823*/
+	if ((p_ntci->data_details.ntc_144.local_changes & TRAP_144_MASK_OTHER_LOCAL_CHANGES) &&
+		(p_ntci->data_details.ntc_144.change_flgs & TRAP_144_MASK_NODE_DESCRIPTION_CHANGE)
+		) {
+
+		osm_node_t *p_node = NULL;
+
+		OSM_LOG(sm->p_log, OSM_LOG_INFO, "Trap 144 Node description update\n");
+
+		if (p_physp) {
+			CL_PLOCK_ACQUIRE(sm->p_lock);
+			osm_req_get_node_desc(sm, p_physp);
+			CL_PLOCK_RELEASE(sm->p_lock);
+		} else {
+			OSM_LOG(sm->p_log, OSM_LOG_ERROR,
+				"ERR 3812: No physical port found for "
+				"trap 144: \"node description update\"\n");
+		}
+	}
+
 	/* do a sweep if we received a trap */
 	if (sm->p_subn->opt.sweep_on_trap) {
 		/* if this is trap number 128 or run_heavy_sweep is TRUE - update the
-- 
1.5.1