[TFRC]: Loss interval code needs the macros/inlines that were moved

[pandora-kernel.git] / net / dccp / ccids / lib / packet_history.h

diff --git a/net/dccp/ccids/lib/packet_history.h b/net/dccp/ccids/lib/packet_history.h
index 3dfd182..e58b0fc 100644 (file)
--- a/net/dccp/ccids/lib/packet_history.h
+++ b/net/dccp/ccids/lib/packet_history.h
@@ -84,6 +84,41 @@ struct tfrc_rx_hist {
 #define rtt_sample_prev                  loss_start
 };
 
+/**
+ * tfrc_rx_hist_index - index to reach n-th entry after loss_start
+ */
+static inline u8 tfrc_rx_hist_index(const struct tfrc_rx_hist *h, const u8 n)
+{
+       return (h->loss_start + n) & TFRC_NDUPACK;
+}
+
+/**
+ * tfrc_rx_hist_last_rcv - entry with highest-received-seqno so far
+ */
+static inline struct tfrc_rx_hist_entry *
+                       tfrc_rx_hist_last_rcv(const struct tfrc_rx_hist *h)
+{
+       return h->ring[tfrc_rx_hist_index(h, h->loss_count)];
+}
+
+/**
+ * tfrc_rx_hist_entry - return the n-th history entry after loss_start
+ */
+static inline struct tfrc_rx_hist_entry *
+                       tfrc_rx_hist_entry(const struct tfrc_rx_hist *h, const u8 n)
+{
+       return h->ring[tfrc_rx_hist_index(h, n)];
+}
+
+/**
+ * tfrc_rx_hist_loss_prev - entry with highest-received-seqno before loss was detected
+ */
+static inline struct tfrc_rx_hist_entry *
+                       tfrc_rx_hist_loss_prev(const struct tfrc_rx_hist *h)
+{
+       return h->ring[h->loss_start];
+}
+
 extern void tfrc_rx_hist_add_packet(struct tfrc_rx_hist *h,
                                    const struct sk_buff *skb, const u32 ndp);