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| -rw-r--r-- | include/libipq/ip_queue_64.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/include/libipq/ip_queue_64.h b/include/libipq/ip_queue_64.h new file mode 100644 index 0000000..2f14ad3 --- /dev/null +++ b/include/libipq/ip_queue_64.h @@ -0,0 +1,61 @@ +/* Redefine everything for a 64-bit kernel on 32-bit userspace */ + +/* Based on ip_queue.h by (C) 2000 James Morris, this code is GPL. */ +#ifndef _IP_QUEUE_H +#define _IP_QUEUE_H + +#include <net/if.h> + +/* Messages sent from kernel */ +typedef struct ipq_packet_msg { + u_int64_t packet_id; /* ID of queued packet */ + u_int64_t mark; /* Netfilter mark value */ + s_int64_t timestamp_sec; /* Packet arrival time (seconds) */ + s_int64_t timestamp_usec; /* Packet arrvial time (+useconds) */ + unsigned int hook; /* Netfilter hook we rode in on */ + char indev_name[IFNAMSIZ]; /* Name of incoming interface */ + char outdev_name[IFNAMSIZ]; /* Name of outgoing interface */ + unsigned short hw_protocol; /* Hardware protocol (network order) */ + unsigned short hw_type; /* Hardware type */ + unsigned char hw_addrlen; /* Hardware address length */ + unsigned char hw_addr[8]; /* Hardware address */ + u_int64_t data_len; /* Length of packet data */ + unsigned char payload[0]; /* Optional packet data */ +} ipq_packet_msg_t; + +/* Messages sent from userspace */ +typedef struct ipq_mode_msg { + unsigned char value; /* Requested mode */ + u_int64_t range; /* Optional range of packet requested */ +} ipq_mode_msg_t; + +typedef struct ipq_verdict_msg { + unsigned int value; /* Verdict to hand to netfilter */ + u_int64_t id; /* Packet ID for this verdict */ + u_int64_t data_len; /* Length of replacement data */ + unsigned char payload[0]; /* Optional replacement packet */ +} ipq_verdict_msg_t; + +typedef struct ipq_peer_msg { + union { + ipq_verdict_msg_t verdict; + ipq_mode_msg_t mode; + } msg; +} ipq_peer_msg_t; + +/* Packet delivery modes */ +enum { + IPQ_COPY_NONE, /* Initial mode, packets are dropped */ + IPQ_COPY_META, /* Copy metadata */ + IPQ_COPY_PACKET /* Copy metadata + packet (range) */ +}; +#define IPQ_COPY_MAX IPQ_COPY_PACKET + +/* Types of messages */ +#define IPQM_BASE 0x10 /* standard netlink messages below this */ +#define IPQM_MODE (IPQM_BASE + 1) /* Mode request from peer */ +#define IPQM_VERDICT (IPQM_BASE + 2) /* Verdict from peer */ +#define IPQM_PACKET (IPQM_BASE + 3) /* Packet from kernel */ +#define IPQM_MAX (IPQM_BASE + 4) + +#endif /*_IP_QUEUE_H*/ |