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MINOR: quic: Add a function to list remaining RX packets by encryption level

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This is only to debug some issues which cause the RX buffer saturation
with "Too big packet" traces.
This commit is contained in:
Frédéric Lécaille 2021-12-17 16:11:54 +01:00
parent 0ece75c66a
commit 91ac6c3a8a
2 changed files with 27 additions and 0 deletions
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26
include/haproxy/xprt_quic.h
View File

@ -1138,6 +1138,32 @@ static inline void qc_el_rx_pkts_del(struct quic_enc_level *qel)
HA_RWLOCK_WRUNLOCK(QUIC_LOCK, &qel->rx.pkts_rwlock);
}
static inline void qc_list_qel_rx_pkts(struct quic_enc_level *qel)
{
struct eb64_node *node;
HA_RWLOCK_RDLOCK(QUIC_LOCK, &qel->rx.pkts_rwlock);
node = eb64_first(&qel->rx.pkts);
while (node) {
struct quic_rx_packet *pkt;
pkt = eb64_entry(&node->node, struct quic_rx_packet, pn_node);
fprintf(stderr, "pkt@%p type=%d pn=%llu\n",
pkt, pkt->type, (ull)pkt->pn_node.key);
node = eb64_next(node);
}
HA_RWLOCK_RDUNLOCK(QUIC_LOCK, &qel->rx.pkts_rwlock);
}
static inline void qc_list_all_rx_pkts(struct quic_conn *qc)
{
fprintf(stderr, "REMAINING QEL RX PKTS:\n");
qc_list_qel_rx_pkts(&qc->els[QUIC_TLS_ENC_LEVEL_INITIAL]);
qc_list_qel_rx_pkts(&qc->els[QUIC_TLS_ENC_LEVEL_EARLY_DATA]);
qc_list_qel_rx_pkts(&qc->els[QUIC_TLS_ENC_LEVEL_HANDSHAKE]);
qc_list_qel_rx_pkts(&qc->els[QUIC_TLS_ENC_LEVEL_APP]);
}
void quic_set_tls_alert(struct quic_conn *qc, int alert);
int quic_set_app_ops(struct quic_conn *qc, const unsigned char *alpn, size_t alpn_len);
ssize_t quic_lstnr_dgram_read(struct buffer *buf, size_t len, void *owner,

1
src/xprt_quic.c
View File

@ -4173,6 +4173,7 @@ static ssize_t qc_lstnr_pkt_rcv(unsigned char **buf, const unsigned char *end,
if (b_contig_space(&qc->rx.buf) < pkt->len) {
HA_RWLOCK_WRUNLOCK(QUIC_LOCK, &qc->rx.buf_rwlock);
TRACE_PROTO("Too big packet", QUIC_EV_CONN_LPKT, qc->conn, pkt, &pkt->len);
qc_list_all_rx_pkts(qc);
goto err;
}
}