[TCP]: Add tcp_dec_pcount_approx int variant
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/tcp.h b/include/net/tcp.h
index dde04af..9d3438f 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -599,16 +599,21 @@
return skb_shinfo(skb)->gso_size;
}
-static inline void tcp_dec_pcount_approx(__u32 *count,
- const struct sk_buff *skb)
+static inline void tcp_dec_pcount_approx_int(__u32 *count, const int decr)
{
if (*count) {
- *count -= tcp_skb_pcount(skb);
+ *count -= decr;
if ((int)*count < 0)
*count = 0;
}
}
+static inline void tcp_dec_pcount_approx(__u32 *count,
+ const struct sk_buff *skb)
+{
+ tcp_dec_pcount_approx_int(count, tcp_skb_pcount(skb));
+}
+
static inline void tcp_packets_out_inc(struct sock *sk,
const struct sk_buff *skb)
{