[CCID-3/4] Share ccid3_hc_tx_idle_rtt function via tfrc_ccids
Signed-off-by: Leandro Melo de Sales <leandro@xxxxxxxxxxxxxxxxxxxx>
Index: leandro.new/net/dccp/ccids/ccid3.c
===================================================================
--- leandro.new.orig/net/dccp/ccids/ccid3.c
+++ leandro.new/net/dccp/ccids/ccid3.c
@@ -121,13 +121,6 @@ static inline void ccid3_update_send_int
}
-static u32 ccid3_hc_tx_idle_rtt(struct ccid3_hc_tx_sock *hctx, ktime_t now)
-{
- u32 delta = ktime_us_delta(now, hctx->ccid3hctx_t_last_win_count);
-
- return delta/hctx->ccid3hctx_rtt;
-}
-
/**
* ccid3_hc_tx_update_x - Update allowed sending rate X
* @stamp: most recent time if available - can be left NULL.
@@ -151,7 +144,7 @@ static void ccid3_hc_tx_update_x(struct
* a sender is idle if it has not sent anything over a 2-RTT-period.
* For consistency with X and X_recv, min_rate is also scaled by 2^6.
*/
- if (ccid3_hc_tx_idle_rtt(hctx, now) >= 2) {
+ if (tfrc_hc_tx_idle_rtt(hctx, now) >= 2) {
min_rate = rfc3390_initial_rate(sk);
min_rate = max(min_rate, 2 * hctx->ccid3hctx_x_recv);
}
Index: leandro.new/net/dccp/ccids/ccid4.c
===================================================================
--- leandro.new.orig/net/dccp/ccids/ccid4.c
+++ leandro.new/net/dccp/ccids/ccid4.c
@@ -133,13 +133,6 @@ static inline void ccid4_update_send_int
}
-static u32 ccid4_hc_tx_idle_rtt(struct ccid4_hc_tx_sock *hctx, ktime_t now)
-{
- u32 delta = ktime_us_delta(now, hctx->ccid4hctx_t_last_win_count);
-
- return delta/hctx->ccid4hctx_rtt;
-}
-
/**
* ccid4_hc_tx_x_header_penalty - Update allower sending rate X
* @hctx: half-connection to adjust
@@ -174,7 +167,7 @@ static void ccid4_hc_tx_update_x(struct
* a sender is idle if it has not sent anything over a 2-RTT-period.
* For consistency with X and X_recv, min_rate is also scaled by 2^6.
*/
- if (ccid4_hc_tx_idle_rtt(hctx, now) >= 2) {
+ if (tfrc_hc_tx_idle_rtt(hctx, now) >= 2) {
min_rate = rfc3390_initial_rate(sk);
min_rate = max(min_rate, 2 * hctx->ccid4hctx_x_recv);
}
Index: leandro.new/net/dccp/ccids/lib/tfrc_ccids.c
===================================================================
--- leandro.new.orig/net/dccp/ccids/lib/tfrc_ccids.c
+++ leandro.new/net/dccp/ccids/lib/tfrc_ccids.c
@@ -32,3 +32,13 @@ inline u64 rfc3390_initial_rate(struct s
}
EXPORT_SYMBOL_GPL(rfc3390_initial_rate);
+
+u32 tfrc_hc_tx_idle_rtt(struct tfrc_hc_tx_sock *hctx, ktime_t now)
+{
+ u32 delta = ktime_us_delta(now, hctx->tfrchctx_t_last_win_count);
+
+ return delta/hctx->tfrchctx_rtt;
+}
+
+EXPORT_SYMBOL_GPL(tfrc_hc_tx_idle_rtt);
+
Index: leandro.new/net/dccp/ccids/lib/tfrc_ccids.h
===================================================================
--- leandro.new.orig/net/dccp/ccids/lib/tfrc_ccids.h
+++ leandro.new/net/dccp/ccids/lib/tfrc_ccids.h
@@ -173,3 +173,5 @@ static const char *tfrc_tx_state_name(en
#endif
extern u64 rfc3390_initial_rate(struct sock *sk);
+
+extern u32 tfrc_hc_tx_idle_rtt(struct tfrc_hc_tx_sock *hctx, ktime_t now);
-
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