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MINOR: quic: Add a function to compute the current PTO 

There was not such a function at this time. This is needed to implement the idle
timeout feature.
This commit is contained in:
Frédéric Lécaille 2022-03-10 15:05:32 +01:00 committed by Amaury Denoyelle
parent 676b849d37
commit c7a69e2aa5
1 changed files with 9 additions and 0 deletions
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9
include/haproxy/quic_loss.h
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@ -119,6 +119,15 @@ static inline struct quic_pktns *quic_loss_pktns(struct quic_conn *qc)
return pktns; return pktns;
} }
/* Return the PTO associated to <pktns> packet number space for <qc> connection */
static inline unsigned int quic_pto(struct quic_conn *qc)
{
struct quic_loss *ql = &qc->path->loss;
return (ql->srtt >> 3) + QUIC_MAX(ql->rtt_var, QUIC_TIMER_GRANULARITY) +
HA_ATOMIC_LOAD(&qc->state) >= QUIC_HS_ST_COMPLETE ? qc->max_ack_delay : 0;
}
/* Returns for <qc> QUIC connection the first packet number space to /* Returns for <qc> QUIC connection the first packet number space to
* arm the PTO for if any or a packet number space with TICK_ETERNITY * arm the PTO for if any or a packet number space with TICK_ETERNITY
* as PTO value if not. * as PTO value if not.