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-rw-r--r--net/ethtool/common.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/net/ethtool/common.c b/net/ethtool/common.c
index f5598c5f50de..b4419fb6df6a 100644
--- a/net/ethtool/common.c
+++ b/net/ethtool/common.c
@@ -685,3 +685,24 @@ ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings,
link_ksettings->base.duplex = link_info->duplex;
}
EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode);
+
+/**
+ * ethtool_forced_speed_maps_init
+ * @maps: Pointer to an array of Ethtool forced speed map
+ * @size: Array size
+ *
+ * Initialize an array of Ethtool forced speed map to Ethtool link modes. This
+ * should be called during driver module init.
+ */
+void
+ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size)
+{
+ for (u32 i = 0; i < size; i++) {
+ struct ethtool_forced_speed_map *map = &maps[i];
+
+ linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps);
+ map->cap_arr = NULL;
+ map->arr_size = 0;
+ }
+}
+EXPORT_SYMBOL_GPL(ethtool_forced_speed_maps_init);