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-rw-r--r--net/dccp/ccids/lib/packet_history.c35
-rw-r--r--net/dccp/ccids/lib/packet_history.h35
2 files changed, 35 insertions, 35 deletions
diff --git a/net/dccp/ccids/lib/packet_history.c b/net/dccp/ccids/lib/packet_history.c
index 727b17d3bd0e..dd2cf2d6b8fc 100644
--- a/net/dccp/ccids/lib/packet_history.c
+++ b/net/dccp/ccids/lib/packet_history.c
@@ -151,23 +151,6 @@ void tfrc_rx_packet_history_exit(void)
151 } 151 }
152} 152}
153 153
154/**
155 * tfrc_rx_hist_index - index to reach n-th entry after loss_start
156 */
157static inline u8 tfrc_rx_hist_index(const struct tfrc_rx_hist *h, const u8 n)
158{
159 return (h->loss_start + n) & TFRC_NDUPACK;
160}
161
162/**
163 * tfrc_rx_hist_last_rcv - entry with highest-received-seqno so far
164 */
165static inline struct tfrc_rx_hist_entry *
166 tfrc_rx_hist_last_rcv(const struct tfrc_rx_hist *h)
167{
168 return h->ring[tfrc_rx_hist_index(h, h->loss_count)];
169}
170
171void tfrc_rx_hist_add_packet(struct tfrc_rx_hist *h, 154void tfrc_rx_hist_add_packet(struct tfrc_rx_hist *h,
172 const struct sk_buff *skb, 155 const struct sk_buff *skb,
173 const u32 ndp) 156 const u32 ndp)
@@ -183,24 +166,6 @@ void tfrc_rx_hist_add_packet(struct tfrc_rx_hist *h,
183} 166}
184EXPORT_SYMBOL_GPL(tfrc_rx_hist_add_packet); 167EXPORT_SYMBOL_GPL(tfrc_rx_hist_add_packet);
185 168
186/**
187 * tfrc_rx_hist_entry - return the n-th history entry after loss_start
188 */
189static inline struct tfrc_rx_hist_entry *
190 tfrc_rx_hist_entry(const struct tfrc_rx_hist *h, const u8 n)
191{
192 return h->ring[tfrc_rx_hist_index(h, n)];
193}
194
195/**
196 * tfrc_rx_hist_loss_prev - entry with highest-received-seqno before loss was detected
197 */
198static inline struct tfrc_rx_hist_entry *
199 tfrc_rx_hist_loss_prev(const struct tfrc_rx_hist *h)
200{
201 return h->ring[h->loss_start];
202}
203
204/* has the packet contained in skb been seen before? */ 169/* has the packet contained in skb been seen before? */
205int tfrc_rx_hist_duplicate(struct tfrc_rx_hist *h, struct sk_buff *skb) 170int tfrc_rx_hist_duplicate(struct tfrc_rx_hist *h, struct sk_buff *skb)
206{ 171{
diff --git a/net/dccp/ccids/lib/packet_history.h b/net/dccp/ccids/lib/packet_history.h
index 3dfd182b0e64..e58b0fcdc6ae 100644
--- a/net/dccp/ccids/lib/packet_history.h
+++ b/net/dccp/ccids/lib/packet_history.h
@@ -84,6 +84,41 @@ struct tfrc_rx_hist {
84#define rtt_sample_prev loss_start 84#define rtt_sample_prev loss_start
85}; 85};
86 86
87/**
88 * tfrc_rx_hist_index - index to reach n-th entry after loss_start
89 */
90static inline u8 tfrc_rx_hist_index(const struct tfrc_rx_hist *h, const u8 n)
91{
92 return (h->loss_start + n) & TFRC_NDUPACK;
93}
94
95/**
96 * tfrc_rx_hist_last_rcv - entry with highest-received-seqno so far
97 */
98static inline struct tfrc_rx_hist_entry *
99 tfrc_rx_hist_last_rcv(const struct tfrc_rx_hist *h)
100{
101 return h->ring[tfrc_rx_hist_index(h, h->loss_count)];
102}
103
104/**
105 * tfrc_rx_hist_entry - return the n-th history entry after loss_start
106 */
107static inline struct tfrc_rx_hist_entry *
108 tfrc_rx_hist_entry(const struct tfrc_rx_hist *h, const u8 n)
109{
110 return h->ring[tfrc_rx_hist_index(h, n)];
111}
112
113/**
114 * tfrc_rx_hist_loss_prev - entry with highest-received-seqno before loss was detected
115 */
116static inline struct tfrc_rx_hist_entry *
117 tfrc_rx_hist_loss_prev(const struct tfrc_rx_hist *h)
118{
119 return h->ring[h->loss_start];
120}
121
87extern void tfrc_rx_hist_add_packet(struct tfrc_rx_hist *h, 122extern void tfrc_rx_hist_add_packet(struct tfrc_rx_hist *h,
88 const struct sk_buff *skb, const u32 ndp); 123 const struct sk_buff *skb, const u32 ndp);
89 124