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MINOR: quic: Replace the RX list of packet by a thread safety one.

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This list is shared between the I/O dgram handler and the task responsible
for processing the QUIC packets.
This commit is contained in:
Frédéric Lécaille 2021-06-07 10:28:10 +02:00 committed by Amaury Denoyelle
parent 1eaec33cb5
commit c28aba2a8d
5 changed files with 6 additions and 7 deletions
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2
include/haproxy/receiver-t.h
View File

@ -62,7 +62,7 @@ struct receiver {
struct rx_settings *settings; /* points to the settings used by this receiver */
struct list proto_list; /* list in the protocol header */
#ifdef USE_QUIC
struct list qpkts; /* QUIC Initial packets to accept new connections */
struct mt_list pkts; /* QUIC Initial packets to accept new connections */
struct eb_root odcids; /* QUIC original destination connection IDs. */
struct eb_root cids; /* QUIC connection IDs. */
#endif

2
include/haproxy/xprt_quic-t.h
View File

@ -395,7 +395,7 @@ extern struct quic_transport_params quic_dflt_transport_params;
struct quic_rx_packet {
struct list list;
struct list rx_list;
struct mt_list rx_list;
struct quic_conn *qc;
unsigned char type;
uint32_t version;

2
src/proto_quic.c
View File

@ -514,7 +514,7 @@ int quic_connect_server(struct connection *conn, int flags)
*/
static void quic_add_listener(struct protocol *proto, struct listener *listener)
{
LIST_INIT(&listener->rx.qpkts);
MT_LIST_INIT(&listener->rx.pkts);
listener->rx.odcids = EB_ROOT_UNIQUE;
listener->rx.cids = EB_ROOT_UNIQUE;
default_add_listener(proto, listener);

5
src/quic_sock.c
View File

@ -145,13 +145,12 @@ struct connection *quic_sock_accept_conn(struct listener *l, int *status)
int ret;
qc = NULL;
pkt = LIST_ELEM(l->rx.qpkts.n, struct quic_rx_packet *, rx_list);
pkt = MT_LIST_POP(&l->rx.pkts, struct quic_rx_packet *, rx_list);
/* Should never happen. */
if (&pkt->rx_list == &l->rx.qpkts)
if (!pkt)
goto err;
qc = pkt->qc;
LIST_DELETE(&pkt->rx_list);
if (!new_quic_cli_conn(qc, l, &pkt->saddr))
goto err;

2
src/xprt_quic.c
View File

@ -3399,7 +3399,7 @@ static ssize_t qc_lstnr_pkt_rcv(unsigned char **buf, const unsigned char *end,
}
else if (!found_conn) {
/* Enqueue this packet. */
LIST_APPEND(&l->rx.qpkts, &pkt->rx_list);
MT_LIST_APPEND(&l->rx.pkts, &pkt->rx_list);
/* Try to accept a new connection. */
listener_accept(l);
}