diff options
Diffstat (limited to 'pfinet/linux-src/include/linux/ip_masq.h')
| -rw-r--r-- | pfinet/linux-src/include/linux/ip_masq.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/pfinet/linux-src/include/linux/ip_masq.h b/pfinet/linux-src/include/linux/ip_masq.h new file mode 100644 index 00000000..ba893138 --- /dev/null +++ b/pfinet/linux-src/include/linux/ip_masq.h @@ -0,0 +1,140 @@ +/* + * IP_MASQ user space control interface + * $Id: ip_masq.h,v 1.2 1998/12/08 05:41:48 davem Exp $ + */ + +#ifndef _LINUX_IP_MASQ_H +#define _LINUX_IP_MASQ_H + +#ifdef __KERNEL__ +#include <linux/types.h> +#include <linux/stddef.h> +#else +#include <sys/types.h> +#include <stddef.h> +#endif + +struct ip_masq_user { + int protocol; + u_int16_t sport, dport, mport; + u_int32_t saddr, daddr, maddr; + u_int32_t rt_daddr; /* dst address to use for rt query */ + u_int32_t rt_saddr; + u_int32_t ip_tos; /* TOS */ + unsigned timeout; /* in ticks (HZ per sec) */ + unsigned flags; + int fd; /* NOT IMPL: attach tunnel to this fd */ + int state; /* NOT IMPL: return conn state */ +}; + +#define IP_MASQ_USER_F_LISTEN 0x01 /* put entry to LISTEN state */ +#define IP_MASQ_USER_F_DEAD 0x02 /* mark as DEAD */ +#define IP_MASQ_USER_F_FORCE 0x04 /* force operation */ + +struct ip_masq_timeout { + int protocol; + union { + struct { + unsigned established; + unsigned syn_sent; + unsigned syn_recv; + unsigned fin_wait; + unsigned time_wait; + unsigned close; + unsigned close_wait; + unsigned last_ack; + unsigned listen; + } tcp; + unsigned udp; + unsigned icmp; + } u; +}; + +/* + * AUTOFW stuff + */ +#define IP_FWD_RANGE 1 +#define IP_FWD_PORT 2 +#define IP_FWD_DIRECT 3 + +#define IP_AUTOFW_ACTIVE 1 +#define IP_AUTOFW_USETIME 2 +#define IP_AUTOFW_SECURE 4 + + +/* WARNING: bitwise equal to ip_autofw in net/ip_autofw.h */ +struct ip_autofw_user { + void * next; + u_int16_t type; + u_int16_t low; + u_int16_t hidden; + u_int16_t high; + u_int16_t visible; + u_int16_t protocol; + u_int32_t lastcontact; + u_int32_t where; + u_int16_t ctlproto; + u_int16_t ctlport; + u_int16_t flags; + /* struct timer_list timer; */ +}; + +/* + * PORTFW stuff + */ +struct ip_portfw_user { + u_int16_t protocol; /* Which protocol are we talking? */ + u_int32_t laddr, raddr; /* Remote address */ + u_int16_t lport, rport; /* Local and remote port */ + int pref; /* Preference value */ +}; + +/* + * MFW stuff + */ +struct ip_mfw_user { + u_int32_t fwmark; /* Firewalling mark */ + u_int32_t raddr; /* remote port */ + u_int16_t rport; /* remote port */ + u_int16_t dummy; /* Make up to multiple of 4 */ + int pref; /* Preference value */ + unsigned flags; /* misc flags */ +}; + +#define IP_MASQ_MFW_SCHED 0x01 + +#define IP_FW_MASQCTL_MAX 256 +#define IP_MASQ_TNAME_MAX 32 + +struct ip_masq_ctl { + int m_target; + int m_cmd; + char m_tname[IP_MASQ_TNAME_MAX]; + union { + struct ip_portfw_user portfw_user; + struct ip_autofw_user autofw_user; + struct ip_mfw_user mfw_user; + struct ip_masq_user user; + unsigned char m_raw[IP_FW_MASQCTL_MAX]; + } u; +}; + +#define IP_MASQ_CTL_BSIZE (offsetof (struct ip_masq_ctl,u)) + +#define IP_MASQ_TARGET_CORE 1 +#define IP_MASQ_TARGET_MOD 2 /* masq_mod is selected by "name" */ +#define IP_MASQ_TARGET_USER 3 +#define IP_MASQ_TARGET_LAST 4 + +#define IP_MASQ_CMD_NONE 0 /* just peek */ +#define IP_MASQ_CMD_INSERT 1 +#define IP_MASQ_CMD_ADD 2 +#define IP_MASQ_CMD_SET 3 +#define IP_MASQ_CMD_DEL 4 +#define IP_MASQ_CMD_GET 5 +#define IP_MASQ_CMD_FLUSH 6 +#define IP_MASQ_CMD_LIST 7 /* actually fake: done via /proc */ +#define IP_MASQ_CMD_ENABLE 8 +#define IP_MASQ_CMD_DISABLE 9 + +#endif /* _LINUX_IP_MASQ_H */ |