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-rw-r--r--src/ipcpd/unicast/pol/ca-mb-ecn.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/src/ipcpd/unicast/pol/ca-mb-ecn.c b/src/ipcpd/unicast/pol/ca-mb-ecn.c
index 31a646b2..1baaca7a 100644
--- a/src/ipcpd/unicast/pol/ca-mb-ecn.c
+++ b/src/ipcpd/unicast/pol/ca-mb-ecn.c
@@ -46,7 +46,7 @@
#define CA_IWL 1 << 16 /* Initial limit ~4MiB/s */
#define CA_MINPS 8 /* Mimimum pkts / slot */
#define CA_MAXPS 64 /* Maximum pkts / slot */
-#define ECN_Q_SHFT 5
+#define ECN_Q_SHFT 4
#define ts_to_ns(ts) (ts.tv_sec * BILLION + ts.tv_nsec)
struct mb_ecn_ctx {
@@ -127,13 +127,16 @@ ca_wnd_t mb_ecn_ctx_update_snd(void * _ctx,
if (slot > ctx->tx_slot) {
ctx->tx_slot = slot;
- if (!ctx->tx_cav && ctx->tx_wbc > ctx->tx_wbl) /* Slow start */
- ctx->tx_wbl <<= 1;
- else if (ctx->tx_ece) /* Multiplicative Decrease */
- ctx->tx_wbl -= (ctx->tx_wbl * ctx->tx_ece)
- >> (CA_SHFT + 8);
- else /* Additive Increase */
- ctx->tx_wbl = ctx->tx_wbl + ctx->tx_inc;
+ if (!ctx->tx_cav) { /* Slow start */
+ if (ctx->tx_wbc > ctx->tx_wbl)
+ ctx->tx_wbl <<= 1;
+ } else {
+ if (ctx->tx_ece) /* Mult. Decrease */
+ ctx->tx_wbl -= (ctx->tx_wbl * ctx->tx_ece)
+ >> (CA_SHFT + 8);
+ else if (ctx->tx_wbc > ctx->tx_wbl) /* Add. Increase */
+ ctx->tx_wbl = ctx->tx_wbl + ctx->tx_inc;
+ }
/* Window scaling */
if (ctx->tx_wpc < CA_MINPS) {