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traffic-pacing-edt: make it easy to remove minimum delay trick in code

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Signed-off-by: Jesper D. Brouer <netoptimizer@brouer.com>
This commit is contained in:
Jesper D. Brouer
2020-11-21 18:59:03 +01:00
parent 68505a2dbd
commit a45ae39775
1 changed files with 6 additions and 1 deletions
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7
traffic-pacing-edt/edt_pacer02.c
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@@ -137,8 +137,9 @@ static __always_inline int sched_departure(struct __sk_buff *skb)
* Thus, schedule SKB transmissing as new + t_xmit_ns. * Thus, schedule SKB transmissing as new + t_xmit_ns.
*/ */
if (t_next <= t_curr) { if (t_next <= t_curr) {
#if 1
__u64 t_curr_next; __u64 t_curr_next;
__u32 min_len = 1538 * 2; __u32 min_len = 1538;
/* Minimum delay for all packet if no time-queue */ /* Minimum delay for all packet if no time-queue */
wire_len = (wire_len > min_len) ? wire_len : min_len; wire_len = (wire_len > min_len) ? wire_len : min_len;
@@ -147,7 +148,11 @@ static __always_inline int sched_departure(struct __sk_buff *skb)
WRITE_ONCE(edt->t_last, t_curr_next); WRITE_ONCE(edt->t_last, t_curr_next);
skb->tstamp = t_curr_next; skb->tstamp = t_curr_next;
#else
WRITE_ONCE(edt->t_last, t_curr);
#endif
return BPF_OK; return BPF_OK;
} }
/* Calc queue size measured in time */ /* Calc queue size measured in time */