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MINOR: Add function for TX packets reference counting

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Add two functions to encrement or decrement a referenc counter
attached to TX packet structure (struct quic_tx_packet). The packet are freed
when their counters reach the null value.
This commit is contained in:
Frédéric Lécaille 2021-07-16 11:42:44 +02:00 committed by Amaury Denoyelle
parent c8d3f873e8
commit b095252a23
2 changed files with 15 additions and 0 deletions
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2
include/haproxy/xprt_quic-t.h
View File

@ -482,6 +482,8 @@ struct quic_tx_packet {
struct quic_pktns *pktns;
/* Flags. */
unsigned int flags;
/* Reference counter */
int refcnt;
/* Next packet in the same datagram */
struct quic_tx_packet *next;
};

13
include/haproxy/xprt_quic.h
View File

@ -1064,6 +1064,19 @@ static inline void free_quic_rx_packet(struct quic_rx_packet *pkt)
quic_rx_packet_refdec(pkt);
}
/* Increment the reference counter of <pkt> */
static inline void quic_tx_packet_refinc(struct quic_tx_packet *pkt)
{
HA_ATOMIC_ADD(&pkt->refcnt, 1);
}
/* Decrement the reference counter of <pkt> */
static inline void quic_tx_packet_refdec(struct quic_tx_packet *pkt)
{
if (!HA_ATOMIC_SUB_FETCH(&pkt->refcnt, 1))
pool_free(pool_head_quic_tx_packet, pkt);
}
ssize_t quic_lstnr_dgram_read(char *buf, size_t len, void *owner,
struct sockaddr_storage *saddr);
ssize_t quic_srv_dgram_read(char *buf, size_t len, void *owner,