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-rw-r--r--include/uapi/linux/ethtool.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index 4a0a6e703483..7e1b3820f91f 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -2526,11 +2526,34 @@ struct ethtool_link_settings {
__u8 master_slave_state;
__u8 rate_matching;
__u32 reserved[7];
+#ifndef __KERNEL__
+ /* Linux builds with -Wflex-array-member-not-at-end but does
+ * not use the "link_mode_masks" member. Leave it defined for
+ * userspace for now, and when userspace wants to start using
+ * -Wfamnae, we'll need a new solution.
+ */
__u32 link_mode_masks[];
/* layout of link_mode_masks fields:
* __u32 map_supported[link_mode_masks_nwords];
* __u32 map_advertising[link_mode_masks_nwords];
* __u32 map_lp_advertising[link_mode_masks_nwords];
*/
+#endif
+};
+
+/**
+ * enum phy_upstream - Represents the upstream component a given PHY device
+ * is connected to, as in what is on the other end of the MII bus. Most PHYs
+ * will be attached to an Ethernet MAC controller, but in some cases, there's
+ * an intermediate PHY used as a media-converter, which will driver another
+ * MII interface as its output.
+ * @PHY_UPSTREAM_MAC: Upstream component is a MAC (a switch port,
+ * or ethernet controller)
+ * @PHY_UPSTREAM_PHY: Upstream component is a PHY (likely a media converter)
+ */
+enum phy_upstream {
+ PHY_UPSTREAM_MAC,
+ PHY_UPSTREAM_PHY,
};
+
#endif /* _UAPI_LINUX_ETHTOOL_H */