X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Finfiniband%2Fcore%2Fsmi.h;h=aff96bac49b4c9e126a1e4b6fd309bc4b3b256aa;hb=fa623d1b0222adbe8f822e53c08003b9679a410c;hp=9a4b349efc307253baf3c44e843f0eabbf4fb215;hpb=d29182534c5f39ff899763d1e0982d8f33791d6f;p=platform%2Fkernel%2Flinux-starfive.git

diff --git a/drivers/infiniband/core/smi.h b/drivers/infiniband/core/smi.h
index 9a4b349..aff96ba 100644
--- a/drivers/infiniband/core/smi.h
+++ b/drivers/infiniband/core/smi.h
@@ -48,16 +48,19 @@ enum smi_action {
 enum smi_forward_action {
 	IB_SMI_LOCAL,	/* SMP should be completed up the stack */
 	IB_SMI_SEND,	/* received DR SMP should be forwarded to the send queue */
+	IB_SMI_FORWARD	/* SMP should be forwarded (for switches only) */
 };
 
 enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, u8 node_type,
 				       int port_num, int phys_port_cnt);
+int smi_get_fwd_port(struct ib_smp *smp);
 extern enum smi_forward_action smi_check_forward_dr_smp(struct ib_smp *smp);
 extern enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp,
 					      u8 node_type, int port_num);
 
 /*
- * Return 1 if the SMP should be handled by the local SMA/SM via process_mad
+ * Return IB_SMI_HANDLE if the SMP should be handled by the local SMA/SM
+ * via process_mad
  */
 static inline enum smi_action smi_check_local_smp(struct ib_smp *smp,
 						  struct ib_device *device)
@@ -69,4 +72,19 @@ static inline enum smi_action smi_check_local_smp(struct ib_smp *smp,
 		(smp->hop_ptr == smp->hop_cnt + 1)) ?
 		IB_SMI_HANDLE : IB_SMI_DISCARD);
 }
+
+/*
+ * Return IB_SMI_HANDLE if the SMP should be handled by the local SMA/SM
+ * via process_mad
+ */
+static inline enum smi_action smi_check_local_returning_smp(struct ib_smp *smp,
+						   struct ib_device *device)
+{
+	/* C14-13:3 -- We're at the end of the DR segment of path */
+	/* C14-13:4 -- Hop Pointer == 0 -> give to SM */
+	return ((device->process_mad &&
+		ib_get_smp_direction(smp) &&
+		!smp->hop_ptr) ? IB_SMI_HANDLE : IB_SMI_DISCARD);
+}
+
 #endif	/* __SMI_H_ */