diff options
Diffstat (limited to 'udp.h')
| -rw-r--r-- | udp.h | 27 |
1 files changed, 17 insertions, 10 deletions
@@ -18,8 +18,8 @@ int udp_init(const struct ctx *c); void udp_timer(struct ctx *c, const struct timespec *ts); void udp_update_l2_buf(const unsigned char *eth_d, const unsigned char *eth_s, const uint32_t *ip_da); -void udp_remap_to_tap(in_port_t port, in_port_t delta); -void udp_remap_to_init(in_port_t port, in_port_t delta); +void udp_remap_to_tap(struct ctx *c, in_port_t port, in_port_t delta); +void udp_remap_to_init(struct ctx *c, in_port_t port, in_port_t delta); /** * union udp_epoll_ref - epoll reference portion for TCP connections @@ -44,19 +44,26 @@ union udp_epoll_ref { uint32_t u32; }; + +/** + * udp_port_fwd - UDP specific port forwarding configuration + * @f: Generic forwarding configuration + * @rdelta: Reversed delta map to translate source ports on return packets + */ +struct udp_port_fwd { + struct port_fwd f; + in_port_t rdelta[USHRT_MAX]; +}; + /** * struct udp_ctx - Execution context for UDP - * @port_to_tap: Ports bound host-side, data to tap or ns L4 socket - * @fwd_mode_in: Port forwarding mode for inbound packets - * @port_to_init: Ports bound namespace-side, data to init L4 socket - * @fwd_mode_out: Port forwarding mode for outbound packets + * @fwd_in: Port forwarding configuration for inbound packets + * @fwd_out: Port forwarding configuration for outbound packets * @timer_run: Timestamp of most recent timer run */ struct udp_ctx { - uint8_t port_to_tap [PORT_BITMAP_SIZE]; - enum port_fwd_mode fwd_mode_in; - uint8_t port_to_init [PORT_BITMAP_SIZE]; - enum port_fwd_mode fwd_mode_out; + struct udp_port_fwd fwd_in; + struct udp_port_fwd fwd_out; struct timespec timer_run; }; |