From 1e49d194d01788afbc4b8216e27c794651a4facf Mon Sep 17 00:00:00 2001 From: Stefano Brivio Date: Thu, 12 Aug 2021 15:42:43 +0200 Subject: passt, pasta: Introduce command-line options and port re-mapping Signed-off-by: Stefano Brivio --- tcp.h | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) (limited to 'tcp.h') diff --git a/tcp.h b/tcp.h index 0dcd798..359414c 100644 --- a/tcp.h +++ b/tcp.h @@ -16,6 +16,8 @@ int tcp_sock_init(struct ctx *c); void tcp_timer(struct ctx *c, struct timespec *ts); void tcp_update_l2_buf(unsigned char *eth_d, unsigned char *eth_s, uint32_t *ip_da); +void tcp_remap_to_tap(in_port_t port, in_port_t delta); +void tcp_remap_to_init(in_port_t port, in_port_t delta); /** * union tcp_epoll_ref - epoll reference portion for TCP connections @@ -40,24 +42,16 @@ union tcp_epoll_ref { * @hash_secret: 128-bit secret for hash functions, ISN and hash table * @tap_conn_count: Count of tap connections in connection table * @splice_conn_count: Count of spliced connections in connection table - * @port4_to_tap: IPv4 ports bound host/init-side, packets to guest/tap - * @port6_to_tap: IPv6 ports bound host/init-side, packets to guest/tap - * @port4_to_init: IPv4 ports bound namespace-side, spliced to init - * @port6_to_init: IPv6 ports bound namespace-side, spliced to init - * @port4_to_ns: IPv4 ports bound init-side, spliced to namespace - * @port6_to_ns: IPv6 ports bound init-side, spliced to namespace + * @port_to_tap: Ports bound host-side, packets to tap or spliced + * @port_to_init: Ports bound namespace-side, spliced to init * @timer_run: Timestamp of most recent timer run */ struct tcp_ctx { uint64_t hash_secret[2]; int tap_conn_count; int splice_conn_count; - uint8_t port4_to_tap [USHRT_MAX / 8]; - uint8_t port6_to_tap [USHRT_MAX / 8]; - uint8_t port4_to_init [USHRT_MAX / 8]; - uint8_t port6_to_init [USHRT_MAX / 8]; - uint8_t port4_to_ns [USHRT_MAX / 8]; - uint8_t port6_to_ns [USHRT_MAX / 8]; + uint8_t port_to_tap [USHRT_MAX / 8]; + uint8_t port_to_init [USHRT_MAX / 8]; struct timespec timer_run; }; -- cgit v1.2.3