diff options
| author |   qinyang <qiny@yusur.tech> | 2023-06-27 01:11:53 -0700 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2023-07-21 16:27:14 +0000 |
| commit | af9b7156c8fd16c671ce9332613faaf864b075b3 (patch) | |
| tree | 201f45dacba23771db635c563b34315b6594d4af /src/vnet/session/session.h | |
| parent | ae916b39049669bbada12dbcfecbb4e3f9c09c69 (diff) | |
vcl: ldp support SO_ORIGINAL_DST
Type: improvement
Support SO_ORIGINAL_DST socket option to get original dst_ip4 and dst_port if nat44 rule enabled.
Change-Id: If00e00d03e48f3b78a23a68f1b078954d79dd0f7
Signed-off-by: qinyang <qiny@yusur.tech>
Diffstat (limited to 'src/vnet/session/session.h')
| -rw-r--r-- | src/vnet/session/session.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h index 10bae273d85..9c08f1a4d04 100644 --- a/src/vnet/session/session.h +++ b/src/vnet/session/session.h @@ -193,6 +193,10 @@ extern session_fifo_rx_fn session_tx_fifo_dequeue_internal; u8 session_node_lookup_fifo_event (svm_fifo_t * f, session_event_t * e); typedef void (*session_update_time_fn) (f64 time_now, u8 thread_index); +typedef void (*nat44_original_dst_lookup_fn) ( + ip4_address_t *i2o_src, u16 i2o_src_port, ip4_address_t *i2o_dst, + u16 i2o_dst_port, ip_protocol_t proto, u32 *original_dst, + u16 *original_dst_port); typedef struct session_main_ { @@ -281,6 +285,9 @@ typedef struct session_main_ u32 preallocated_sessions; u16 msg_id_base; + + /** Query nat44-ed session to get original dst ip4 & dst port. */ + nat44_original_dst_lookup_fn original_dst_lookup; } session_main_t; extern session_main_t session_main; @@ -812,6 +819,10 @@ void session_wrk_handle_evts_main_rpc (void *); session_t *session_alloc_for_connection (transport_connection_t * tc); session_t *session_alloc_for_half_open (transport_connection_t *tc); +void session_get_original_dst (transport_endpoint_t *i2o_src, + transport_endpoint_t *i2o_dst, + transport_proto_t transport_proto, + u32 *original_dst, u16 *original_dst_port); typedef void (pool_safe_realloc_rpc_fn) (void *rpc_args); |