Mercurial > hg > nginx-quic
changeset 7927:391d06a51bc0 quic
Limited max udp payload size for outgoing packets.
This allows to avoid problems with packet fragmentation in real networks.
This is a temporary workaround.
author | Vladimir Homutov <vl@nginx.com> |
---|---|
date | Wed, 10 Jun 2020 21:37:08 +0300 |
parents | 70335ec6e5d4 |
children | 7672ec1e6227 |
files | src/event/ngx_event_quic.c src/event/ngx_event_quic.h |
diffstat | 2 files changed, 9 insertions(+), 1 deletions(-) [+] |
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--- a/src/event/ngx_event_quic.c +++ b/src/event/ngx_event_quic.c @@ -430,6 +430,12 @@ ngx_quic_add_handshake_data(ngx_ssl_conn return 0; } + if (qc->ctp.max_udp_payload_size > NGX_QUIC_MAX_UDP_PAYLOAD_OUT) { + qc->ctp.max_udp_payload_size = NGX_QUIC_MAX_UDP_PAYLOAD_OUT; + ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, + "quic client maximum packet size truncated"); + } + #if (NGX_QUIC_DRAFT_VERSION >= 28) if (qc->scid.len != qc->ctp.initial_scid.len || ngx_memcmp(qc->scid.data, qc->ctp.initial_scid.data, @@ -640,7 +646,7 @@ ngx_quic_new_connection(ngx_connection_t qc->streams.handler = handler; ctp = &qc->ctp; - ctp->max_udp_payload_size = NGX_QUIC_MAX_UDP_PAYLOAD_SIZE; + ctp->max_udp_payload_size = NGX_QUIC_MAX_UDP_PAYLOAD_OUT; ctp->ack_delay_exponent = NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT; ctp->max_ack_delay = NGX_QUIC_DEFAULT_MAX_ACK_DELAY;
--- a/src/event/ngx_event_quic.h +++ b/src/event/ngx_event_quic.h @@ -23,6 +23,8 @@ /* 1 flags + 4 version + 2 x (1 + 20) s/dcid + 4 pn + 4 len + token len */ #define NGX_QUIC_MAX_UDP_PAYLOAD_SIZE 65527 +#define NGX_QUIC_MAX_UDP_PAYLOAD_OUT 1300 /* TODO */ + #define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3 #define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25