diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c
index 247175d660c..06f6ac27469 100644
--- a/sys/dev/cxgbe/t4_main.c
+++ b/sys/dev/cxgbe/t4_main.c
@@ -4870,6 +4870,8 @@ vi_sysctls(struct vi_info *vi)
 	    &vi->first_rxq, 0, "index of first rx queue");
 	SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_txq", CTLFLAG_RD,
 	    &vi->first_txq, 0, "index of first tx queue");
+	SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "rss_size", CTLFLAG_RD, NULL,
+	    vi->rss_size, "size of RSS indirection table");
 
 	if (IS_MAIN_VI(vi)) {
 		SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rsrv_noflowq",