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-rw-r--r--include/linux/ethtool.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index aa0dcb3833d..eb1a48da2d4 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -498,6 +498,7 @@ struct ethtool_ops {
int (*get_rxnfc)(struct net_device *, struct ethtool_rxnfc *, void *);
int (*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *);
int (*flash_device)(struct net_device *, struct ethtool_flash *);
+ int (*reset)(struct net_device *, u32 *);
};
#endif /* __KERNEL__ */
@@ -555,6 +556,7 @@ struct ethtool_ops {
#define ETHTOOL_SRXCLSRLDEL 0x00000031 /* Delete RX classification rule */
#define ETHTOOL_SRXCLSRLINS 0x00000032 /* Insert RX classification rule */
#define ETHTOOL_FLASHDEV 0x00000033 /* Flash firmware to device */
+#define ETHTOOL_RESET 0x00000034 /* Reset hardware */
/* compatibility with older code */
#define SPARC_ETH_GSET ETHTOOL_GSET
@@ -685,4 +687,34 @@ struct ethtool_ops {
#define RX_CLS_FLOW_DISC 0xffffffffffffffffULL
+/* Reset flags */
+/* The reset() operation must clear the flags for the components which
+ * were actually reset. On successful return, the flags indicate the
+ * components which were not reset, either because they do not exist
+ * in the hardware or because they cannot be reset independently. The
+ * driver must never reset any components that were not requested.
+ */
+enum ethtool_reset_flags {
+ /* These flags represent components dedicated to the interface
+ * the command is addressed to. Shift any flag left by
+ * ETH_RESET_SHARED_SHIFT to reset a shared component of the
+ * same type.
+ */
+ ETH_RESET_MGMT = 1 << 0, /* Management processor */
+ ETH_RESET_IRQ = 1 << 1, /* Interrupt requester */
+ ETH_RESET_DMA = 1 << 2, /* DMA engine */
+ ETH_RESET_FILTER = 1 << 3, /* Filtering/flow direction */
+ ETH_RESET_OFFLOAD = 1 << 4, /* Protocol offload */
+ ETH_RESET_MAC = 1 << 5, /* Media access controller */
+ ETH_RESET_PHY = 1 << 6, /* Transceiver/PHY */
+ ETH_RESET_RAM = 1 << 7, /* RAM shared between
+ * multiple components */
+
+ ETH_RESET_DEDICATED = 0x0000ffff, /* All components dedicated to
+ * this interface */
+ ETH_RESET_ALL = 0xffffffff, /* All components used by this
+ * interface, even if shared */
+};
+#define ETH_RESET_SHARED_SHIFT 16
+
#endif /* _LINUX_ETHTOOL_H */