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session: limit pacer bucket size

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Type: feature

Change-Id: I3ca27b09670716eba463d7b16771f765a1bd6dcd
Signed-off-by: Florin Coras <fcoras@cisco.com>
This commit is contained in:
Florin Coras
2019-09-15 16:28:45 -07:00
committed by Florin Coras
parent 735d2e202b
commit 7c8f828ba3
2 changed files with 4 additions and 2 deletions
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5
src/vnet/session/transport.c
View File

@ -581,7 +581,7 @@ spacer_max_burst (spacer_t * pacer, u64 norm_time_now)
if (n_periods > 0 && (inc = n_periods * pacer->tokens_per_period) > 10)
{
pacer->last_update = norm_time_now;
pacer->bucket += inc;
pacer->bucket = clib_min (pacer->bucket + inc, pacer->bytes_per_sec);
}
return clib_min (pacer->bucket, TRANSPORT_PACER_MAX_BURST);
@ -598,13 +598,14 @@ static inline void
spacer_set_pace_rate (spacer_t * pacer, u64 rate_bytes_per_sec)
{
ASSERT (rate_bytes_per_sec != 0);
pacer->bytes_per_sec = rate_bytes_per_sec;
pacer->tokens_per_period = rate_bytes_per_sec / transport_pacer_period;
}
static inline u64
spacer_pace_rate (spacer_t * pacer)
{
return pacer->tokens_per_period * transport_pacer_period;
return pacer->bytes_per_sec;
}
void

1
src/vnet/session/transport_types.h
View File

@ -49,6 +49,7 @@ typedef enum transport_connection_flags_
typedef struct _spacer
{
u64 bytes_per_sec;
u64 bucket;
u64 last_update;
f32 tokens_per_period;