[netdrvr] sfc: sfc: Add self-test support

[linux-2.6-omap-h63xx.git] / drivers / net / sfc / enum.h

diff --git a/drivers/net/sfc/enum.h b/drivers/net/sfc/enum.h
index 43663a4619da26b77b55a655c3159a046754330c..c53290d08e2b7ae0c56f9ec21705ada1f799611f 100644 (file)
--- a/drivers/net/sfc/enum.h
+++ b/drivers/net/sfc/enum.h
@@ -10,6 +10,55 @@
 #ifndef EFX_ENUM_H
 #define EFX_ENUM_H
 
+/**
+ * enum efx_loopback_mode - loopback modes
+ * @LOOPBACK_NONE: no loopback
+ * @LOOPBACK_XGMII: loopback within MAC at XGMII level
+ * @LOOPBACK_XGXS: loopback within MAC at XGXS level
+ * @LOOPBACK_XAUI: loopback within MAC at XAUI level
+ * @LOOPBACK_PHYXS: loopback within PHY at PHYXS level
+ * @LOOPBACK_PCS: loopback within PHY at PCS level
+ * @LOOPBACK_PMAPMD: loopback within PHY at PMAPMD level
+ * @LOOPBACK_NETWORK: reflecting loopback (even further than furthest!)
+ */
+/* Please keep in order and up-to-date w.r.t the following two #defines */
+enum efx_loopback_mode {
+       LOOPBACK_NONE = 0,
+       LOOPBACK_MAC = 1,
+       LOOPBACK_XGMII = 2,
+       LOOPBACK_XGXS = 3,
+       LOOPBACK_XAUI = 4,
+       LOOPBACK_PHY = 5,
+       LOOPBACK_PHYXS = 6,
+       LOOPBACK_PCS = 7,
+       LOOPBACK_PMAPMD = 8,
+       LOOPBACK_NETWORK = 9,
+       LOOPBACK_MAX
+};
+
+#define LOOPBACK_TEST_MAX LOOPBACK_PMAPMD
+
+extern const char *efx_loopback_mode_names[];
+#define LOOPBACK_MODE_NAME(mode)                       \
+       STRING_TABLE_LOOKUP(mode, efx_loopback_mode)
+#define LOOPBACK_MODE(efx)                             \
+       LOOPBACK_MODE_NAME(efx->loopback_mode)
+
+/* These loopbacks occur within the controller */
+#define LOOPBACKS_10G_INTERNAL ((1 << LOOPBACK_XGMII)| \
+                               (1 << LOOPBACK_XGXS) | \
+                               (1 << LOOPBACK_XAUI))
+
+#define LOOPBACK_MASK(_efx)                    \
+       (1 << (_efx)->loopback_mode)
+
+#define LOOPBACK_INTERNAL(_efx)                                                \
+       ((LOOPBACKS_10G_INTERNAL & LOOPBACK_MASK(_efx)) ? 1 : 0)
+
+#define LOOPBACK_OUT_OF(_from, _to, _mask)             \
+       (((LOOPBACK_MASK(_from) & (_mask)) &&           \
+         ((LOOPBACK_MASK(_to) & (_mask)) == 0)) ? 1 : 0)
+
 /*****************************************************************************/
 
 /**