Merge remote-tracking branches 'regulator/fix/88pm800', 'regulator/fix/max8973',...

[karo-tx-linux.git] / drivers / infiniband / core / smi.h

diff --git a/drivers/infiniband/core/smi.h b/drivers/infiniband/core/smi.h
index 9a4b349efc307253baf3c44e843f0eabbf4fb215..33c91c8a16e9524da0da6c00ed7a3259084f2c74 100644 (file)
--- 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,
+enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, bool is_switch,
                                       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);
+                                             bool is_switch, 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_ */