diff options
Diffstat (limited to 'udp.h')
| -rw-r--r-- | udp.h | 38 |
1 files changed, 31 insertions, 7 deletions
@@ -3,7 +3,7 @@ #define UDP_TIMER_INTERVAL 1000 /* ms */ -void udp_sock_handler(struct ctx *c, int s, uint32_t events, char *pkt_buf, +void udp_sock_handler(struct ctx *c, union epoll_ref ref, uint32_t events, struct timespec *now); int udp_tap_handler(struct ctx *c, int af, void *addr, struct tap_msg *msg, int count, struct timespec *now); @@ -11,16 +11,40 @@ int udp_sock_init(struct ctx *c); void udp_timer(struct ctx *c, struct timespec *ts); /** + * union udp_epoll_ref - epoll reference portion for TCP connections + * @bound: Set if this file descriptor is a bound socket + * @splice: Set if descriptor is associated to "spliced" connection + * @v6: Set for IPv6 sockets or connections + * @port: Source port for connected sockets, bound port otherwise + * @u32: Opaque u32 value of reference + */ +union udp_epoll_ref { + struct { + uint32_t bound:1, + splice:3, +#define UDP_TO_NS 1 +#define UDP_TO_INIT 2 +#define UDP_BACK_TO_NS 3 +#define UDP_BACK_TO_INIT 4 + + v6:1, + port:16; + }; + uint32_t u32; +}; + + +/** * struct udp_ctx - Execution context for UDP - * @fd_min: Lowest file descriptor number for UDP ever used - * @fd_max: Highest file descriptor number for UDP ever used - * @fd_in_seq: 1 if all socket numbers are in sequence, 0 otherwise + * @port_to_tap: Ports bound host/init-side, packets to guest/tap + * @port_to_init: Ports bound namespace-side, spliced to init + * @port_to_ns: Ports bound init-side, spliced to namespace * @timer_run: Timestamp of most recent timer run */ struct udp_ctx { - int fd_min; - int fd_max; - int fd_in_seq; + uint8_t port_to_tap [USHRT_MAX / 8]; + uint8_t port_to_init [USHRT_MAX / 8]; + uint8_t port_to_ns [USHRT_MAX / 8]; struct timespec timer_run; }; |