diff options
Diffstat (limited to 'port_fwd.h')
| -rw-r--r-- | port_fwd.h | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/port_fwd.h b/port_fwd.h deleted file mode 100644 index f6bf1b5..0000000 --- a/port_fwd.h +++ /dev/null @@ -1,44 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later - * Copyright Red Hat - * Author: Stefano Brivio <sbrivio@redhat.com> - * Author: David Gibson <david@gibson.dropbear.id.au> - */ - -#ifndef PORT_FWD_H -#define PORT_FWD_H - -/* Number of ports for both TCP and UDP */ -#define NUM_PORTS (1U << 16) - -enum port_fwd_mode { - FWD_SPEC = 1, - FWD_NONE, - FWD_AUTO, - FWD_ALL, -}; - -#define PORT_BITMAP_SIZE DIV_ROUND_UP(NUM_PORTS, 8) - -/** - * port_fwd - Describes port forwarding for one protocol and direction - * @mode: Overall forwarding mode (all, none, auto, specific ports) - * @scan4: /proc/net fd to scan for IPv4 ports when in AUTO mode - * @scan6: /proc/net fd to scan for IPv6 ports when in AUTO mode - * @map: Bitmap describing which ports are forwarded - * @delta: Offset between the original destination and mapped port number - */ -struct port_fwd { - enum port_fwd_mode mode; - int scan4; - int scan6; - uint8_t map[PORT_BITMAP_SIZE]; - in_port_t delta[NUM_PORTS]; -}; - -void port_fwd_scan_tcp(struct port_fwd *fwd, const struct port_fwd *rev); -void port_fwd_scan_udp(struct port_fwd *fwd, const struct port_fwd *rev, - const struct port_fwd *tcp_fwd, - const struct port_fwd *tcp_rev); -void port_fwd_init(struct ctx *c); - -#endif /* PORT_FWD_H */ |