diff options
Diffstat (limited to 'udp.c')
| -rw-r--r-- | udp.c | 29 |
1 files changed, 14 insertions, 15 deletions
@@ -716,37 +716,36 @@ static void udp_buf_sock_to_tap(const struct ctx *c, int s, int n, } /** - * udp_listen_sock_data() - Handle new data from listening socket + * udp_sock_fwd() - Forward datagrams from a possibly unconnected socket * @c: Execution context - * @ref: epoll reference + * @s: Socket to forward from + * @frompif: Interface to which @s belongs + * @port: Our (local) port number of @s * @now: Current timestamp */ -static void udp_listen_sock_data(const struct ctx *c, union epoll_ref ref, - const struct timespec *now) +static void udp_sock_fwd(const struct ctx *c, int s, uint8_t frompif, + in_port_t port, const struct timespec *now) { union sockaddr_inany src; - while (udp_peek_addr(ref.fd, &src) == 0) { - flow_sidx_t tosidx = udp_flow_from_sock(c, ref.udp.pif, - ref.udp.port, &src, - now); + while (udp_peek_addr(s, &src) == 0) { + flow_sidx_t tosidx = udp_flow_from_sock(c, frompif, port, + &src, now); uint8_t topif = pif_at_sidx(tosidx); if (pif_is_socket(topif)) { - udp_sock_to_sock(c, ref.fd, 1, tosidx); + udp_sock_to_sock(c, s, 1, tosidx); } else if (topif == PIF_TAP) { if (c->mode == MODE_VU) - udp_vu_sock_to_tap(c, ref.fd, 1, tosidx); + udp_vu_sock_to_tap(c, s, 1, tosidx); else - udp_buf_sock_to_tap(c, ref.fd, 1, tosidx); + udp_buf_sock_to_tap(c, s, 1, tosidx); } else if (flow_sidx_valid(tosidx)) { - flow_sidx_t fromsidx = flow_sidx_opposite(tosidx); struct udp_flow *uflow = udp_at_sidx(tosidx); flow_err(uflow, "No support for forwarding UDP from %s to %s", - pif_name(pif_at_sidx(fromsidx)), - pif_name(topif)); + pif_name(frompif), pif_name(topif)); } else { debug("Discarding datagram without flow"); } @@ -774,7 +773,7 @@ void udp_listen_sock_handler(const struct ctx *c, } if (events & EPOLLIN) - udp_listen_sock_data(c, ref, now); + udp_sock_fwd(c, ref.fd, ref.udp.pif, ref.udp.port, now); } /** |