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/*
* QUIC protocol definitions (RX side).
*
* Copyright (C) 2023
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, version 2.1
* exclusively.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _HAPROXY_QUIC_RX_H
#define _HAPROXY_QUIC_RX_H
#include <haproxy/listener-t.h>
#include <haproxy/quic_conn-t.h>
#include <haproxy/quic_rx-t.h>
int quic_dgram_parse(struct quic_dgram *dgram, struct quic_conn *from_qc,
struct listener *li);
int qc_treat_rx_pkts(struct quic_conn *qc);
int qc_parse_hd_form(struct quic_rx_packet *pkt,
unsigned char **pos, const unsigned char *end);
int qc_treat_rx_crypto_frms(struct quic_conn *qc, struct quic_enc_level *el,
struct ssl_sock_ctx *ctx);
int qc_handle_frms_of_lost_pkt(struct quic_conn *qc,
struct quic_tx_packet *pkt,
struct list *pktns_frm_list);
/* Increment the reference counter of <pkt> */
static inline void quic_rx_packet_refinc(struct quic_rx_packet *pkt)
{
pkt->refcnt++;
}
/* Decrement the reference counter of <pkt> while remaining positive */
static inline void quic_rx_packet_refdec(struct quic_rx_packet *pkt)
{
if (pkt->refcnt)
pkt->refcnt--;
}
/* Return 1 if <pkt> header form is long, 0 if not. */
static inline int qc_pkt_long(const struct quic_rx_packet *pkt)
{
return pkt->type != QUIC_PACKET_TYPE_SHORT;
}
#endif /* _HAPROXY_QUIC_RX_H */
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