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-rw-r--r--drivers/thunderbolt/tunnel.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/thunderbolt/tunnel.c b/drivers/thunderbolt/tunnel.c
index e87d378ca2cd..554c44d4fab0 100644
--- a/drivers/thunderbolt/tunnel.c
+++ b/drivers/thunderbolt/tunnel.c
@@ -2081,6 +2081,16 @@ static bool tb_tunnel_is_active(const struct tb_tunnel *tunnel)
return true;
}
+/**
+ * tb_tunnel_maximum_bandwidth() - Return maximum possible bandwidth
+ * @tunnel: Tunnel to check
+ * @max_up: Maximum upstream bandwidth in Mb/s
+ * @max_down: Maximum downstream bandwidth in Mb/s
+ *
+ * Returns maximum possible bandwidth this tunnel can go if not limited
+ * by other bandwidth clients. If the tunnel does not support this
+ * returns %-EOPNOTSUPP.
+ */
int tb_tunnel_maximum_bandwidth(struct tb_tunnel *tunnel, int *max_up,
int *max_down)
{