IB/rdmavt: Add mad agents to rdmavt
This patch adds mad agent create and free to rdmavt.
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/sw/rdmavt/mad.c b/drivers/infiniband/sw/rdmavt/mad.c
index eef7029..e01f3fb 100644
--- a/drivers/infiniband/sw/rdmavt/mad.c
+++ b/drivers/infiniband/sw/rdmavt/mad.c
@@ -45,6 +45,7 @@
*
*/
+#include <rdma/ib_mad.h>
#include "mad.h"
/**
@@ -83,3 +84,74 @@
*/
return IB_MAD_RESULT_FAILURE;
}
+
+static void rvt_send_mad_handler(struct ib_mad_agent *agent,
+ struct ib_mad_send_wc *mad_send_wc)
+{
+ ib_free_send_mad(mad_send_wc->send_buf);
+}
+
+int rvt_create_mad_agents(struct rvt_dev_info *rdi)
+{
+ struct ib_mad_agent *agent;
+ struct rvt_ibport *rvp;
+ int p;
+ int ret;
+
+ for (p = 0; p < rdi->dparms.nports; p++) {
+ rvp = rdi->ports[p];
+ agent = ib_register_mad_agent(&rdi->ibdev, p + 1,
+ IB_QPT_SMI,
+ NULL, 0, rvt_send_mad_handler,
+ NULL, NULL, 0);
+ if (IS_ERR(agent)) {
+ ret = PTR_ERR(agent);
+ goto err;
+ }
+
+ rvp->send_agent = agent;
+
+ if (rdi->driver_f.notify_create_mad_agent)
+ rdi->driver_f.notify_create_mad_agent(rdi, p);
+ }
+
+ return 0;
+
+err:
+ for (p = 0; p < rdi->dparms.nports; p++) {
+ rvp = rdi->ports[p];
+ if (rvp->send_agent) {
+ agent = rvp->send_agent;
+ rvp->send_agent = NULL;
+ ib_unregister_mad_agent(agent);
+ if (rdi->driver_f.notify_free_mad_agent)
+ rdi->driver_f.notify_free_mad_agent(rdi, p);
+ }
+ }
+
+ return ret;
+}
+
+void rvt_free_mad_agents(struct rvt_dev_info *rdi)
+{
+ struct ib_mad_agent *agent;
+ struct rvt_ibport *rvp;
+ int p;
+
+ for (p = 0; p < rdi->dparms.nports; p++) {
+ rvp = rdi->ports[p];
+ if (rvp->send_agent) {
+ agent = rvp->send_agent;
+ rvp->send_agent = NULL;
+ ib_unregister_mad_agent(agent);
+ }
+ if (rvp->sm_ah) {
+ ib_destroy_ah(&rvp->sm_ah->ibah);
+ rvp->sm_ah = NULL;
+ }
+
+ if (rdi->driver_f.notify_free_mad_agent)
+ rdi->driver_f.notify_free_mad_agent(rdi, p);
+ }
+}
+
