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authorVladimir Homutov <vl@nginx.com>2020-12-25 15:01:15 +0300
committerVladimir Homutov <vl@nginx.com>2020-12-25 15:01:15 +0300
commitc4f31ccca174ff617a594b49ef255354e979b72d (patch)
treed2ade5c91b17e009585c2b329823708e1ce91f76 /src/event/quic/ngx_event_quic_transport.h
parentb20b58ca7d1323664c5e8f91231ade0edf0d0f31 (diff)
downloadnginx-c4f31ccca174ff617a594b49ef255354e979b72d.tar.gz
nginx-c4f31ccca174ff617a594b49ef255354e979b72d.tar.bz2
QUIC: ngx_quic_bpf module.
The quic kernel bpf helper inspects packet payload for DCID, extracts key and routes the packet into socket matching the key. Due to reuseport feature, each worker owns a personal socket, which is identified by the same key, used to create DCID. BPF objects are locked in RAM and are subject to RLIMIT_MEMLOCK. The "ulimit -l" command may be used to setup proper limits, if maps cannot be created with EPERM or updated with ETOOLONG.
Diffstat (limited to '')
-rw-r--r--src/event/quic/ngx_event_quic_transport.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/event/quic/ngx_event_quic_transport.h b/src/event/quic/ngx_event_quic_transport.h
index aa1c888e0..fe1cf2632 100644
--- a/src/event/quic/ngx_event_quic_transport.h
+++ b/src/event/quic/ngx_event_quic_transport.h
@@ -353,4 +353,6 @@ ngx_int_t ngx_quic_parse_transport_params(u_char *p, u_char *end,
ssize_t ngx_quic_create_transport_params(u_char *p, u_char *end,
ngx_quic_tp_t *tp, size_t *clen);
+void ngx_quic_dcid_encode_key(u_char *dcid, uint64_t key);
+
#endif /* _NGX_EVENT_QUIC_WIRE_H_INCLUDED_ */