![Krishna Kumar](/assets/img/avatar_default.png)
Allow setting of only supported flag bits in queue->flags. Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
101 lines
2.4 KiB
C
101 lines
2.4 KiB
C
#ifndef _NFNETLINK_QUEUE_H
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#define _NFNETLINK_QUEUE_H
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#include <linux/types.h>
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#include <linux/netfilter/nfnetlink.h>
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enum nfqnl_msg_types {
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NFQNL_MSG_PACKET, /* packet from kernel to userspace */
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NFQNL_MSG_VERDICT, /* verdict from userspace to kernel */
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NFQNL_MSG_CONFIG, /* connect to a particular queue */
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NFQNL_MSG_VERDICT_BATCH, /* batchv from userspace to kernel */
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NFQNL_MSG_MAX
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};
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struct nfqnl_msg_packet_hdr {
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__be32 packet_id; /* unique ID of packet in queue */
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__be16 hw_protocol; /* hw protocol (network order) */
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__u8 hook; /* netfilter hook */
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} __attribute__ ((packed));
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struct nfqnl_msg_packet_hw {
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__be16 hw_addrlen;
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__u16 _pad;
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__u8 hw_addr[8];
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};
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struct nfqnl_msg_packet_timestamp {
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__aligned_be64 sec;
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__aligned_be64 usec;
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};
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enum nfqnl_attr_type {
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NFQA_UNSPEC,
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NFQA_PACKET_HDR,
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NFQA_VERDICT_HDR, /* nfqnl_msg_verdict_hrd */
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NFQA_MARK, /* __u32 nfmark */
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NFQA_TIMESTAMP, /* nfqnl_msg_packet_timestamp */
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NFQA_IFINDEX_INDEV, /* __u32 ifindex */
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NFQA_IFINDEX_OUTDEV, /* __u32 ifindex */
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NFQA_IFINDEX_PHYSINDEV, /* __u32 ifindex */
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NFQA_IFINDEX_PHYSOUTDEV, /* __u32 ifindex */
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NFQA_HWADDR, /* nfqnl_msg_packet_hw */
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NFQA_PAYLOAD, /* opaque data payload */
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NFQA_CT, /* nf_conntrack_netlink.h */
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NFQA_CT_INFO, /* enum ip_conntrack_info */
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__NFQA_MAX
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};
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#define NFQA_MAX (__NFQA_MAX - 1)
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struct nfqnl_msg_verdict_hdr {
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__be32 verdict;
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__be32 id;
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};
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enum nfqnl_msg_config_cmds {
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NFQNL_CFG_CMD_NONE,
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NFQNL_CFG_CMD_BIND,
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NFQNL_CFG_CMD_UNBIND,
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NFQNL_CFG_CMD_PF_BIND,
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NFQNL_CFG_CMD_PF_UNBIND,
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};
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struct nfqnl_msg_config_cmd {
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__u8 command; /* nfqnl_msg_config_cmds */
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__u8 _pad;
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__be16 pf; /* AF_xxx for PF_[UN]BIND */
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};
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enum nfqnl_config_mode {
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NFQNL_COPY_NONE,
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NFQNL_COPY_META,
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NFQNL_COPY_PACKET,
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};
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struct nfqnl_msg_config_params {
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__be32 copy_range;
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__u8 copy_mode; /* enum nfqnl_config_mode */
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} __attribute__ ((packed));
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enum nfqnl_attr_config {
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NFQA_CFG_UNSPEC,
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NFQA_CFG_CMD, /* nfqnl_msg_config_cmd */
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NFQA_CFG_PARAMS, /* nfqnl_msg_config_params */
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NFQA_CFG_QUEUE_MAXLEN, /* __u32 */
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NFQA_CFG_MASK, /* identify which flags to change */
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NFQA_CFG_FLAGS, /* value of these flags (__u32) */
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__NFQA_CFG_MAX
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};
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#define NFQA_CFG_MAX (__NFQA_CFG_MAX-1)
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/* Flags for NFQA_CFG_FLAGS */
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#define NFQA_CFG_F_FAIL_OPEN (1 << 0)
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#define NFQA_CFG_F_CONNTRACK (1 << 1)
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#define NFQA_CFG_F_MAX (1 << 2)
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#endif /* _NFNETLINK_QUEUE_H */
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