1 files changed, 23 insertions, 0 deletions
diff --git a/net/atm/atm_misc.c b/net/atm/atm_misc.c
new file mode 100644
index 000000000..c9d7609da
--- /dev/null
+++ b/net/atm/atm_misc.c
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
+/* net/atm/atm_misc.c - Various functions for use by ATM drivers */
+
+/* Written 1995-2000 by Werner Almesberger, EPFL ICA */
+
+#include <linux/module.h>
+#include <linux/atm.h>
+#include <linux/atmdev.h>
+#include <linux/skbuff.h>
+#include <linux/bitops.h>
+#include <linux/errno.h>
+#include <linux/atomic.h>
+
+int atm_charge(struct atm_vcc *vcc, int truesize)
+{
+	atm_force_charge(vcc, truesize);
+	if (atomic_read(&sk_atm(vcc)->sk_rmem_alloc) <= sk_atm(vcc)->sk_rcvbuf)
+		return 1;
+	atm_return(vcc, truesize);
+	atomic_inc(&vcc->stats->rx_drop);
+	return 0;
+}
+EXPORT_SYMBOL(atm_charge);