[mtcr_ul] [reg_access] [ib] fixing rc handling

Author: boded

mtcr_ul/mtcr_ib.h

@@ -68,4 +68,5 @@ int mib_send_gmp_access_reg_mad(mfile              * mf,
 int mib_supports_reg_access_cls_a(mfile* mf, maccess_reg_method_t reg_method);
 int mib_send_cls_a_access_reg_mad(mfile* mf, u_int8_t* data);
 int mib_supports_reg_access_smp(mfile* mf);
+int mib_use_smp(mfile* mf);
 #endif

mtcr_ul/mtcr_ib_ofed.c

@@ -2047,3 +2047,8 @@ int mib_supports_reg_access_smp(mfile* mf)
     return (mf->tp == MST_IB && ((ibvs_mad*)mf->ctx)->use_smp) && (mf->flags & (MDEVS_IB | MDEVS_FWCTX)) ||
            (!(mf->flags & MDEVS_IB));
 }
+
+int mib_use_smp(mfile* mf)
+{
+    return ((ibvs_mad*)mf->ctx)->use_smp;
+}

mtcr_ul/mtcr_ul_com.c

@@ -3278,6 +3278,15 @@ int supports_reg_access_smp(mfile* mf)
     return 0;
 }
 
+int should_use_smp(mfile* mf)
+{
+#ifndef NO_INBAND
+    return mib_use_smp(mf);
+#endif
+    (void)mf;
+    return 0;
+}
+
 
 int maccess_reg_ul(mfile              * mf,
                    u_int16_t            reg_id,
@@ -3384,7 +3393,7 @@ int maccess_reg_ul(mfile              * mf,
         if (supports_reg_access_smp(mf)) {
             class_to_use = MAD_CLASS_REG_ACCESS;
             rc = mreg_send_raw(mf, reg_id, reg_method, reg_data, reg_size, r_size_reg, w_size_reg, reg_status);
-        } else {
+        } else if (should_use_smp(mf)){
             return ME_REG_ACCESS_NOT_SUPPORTED;
         }
     }