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oasis-root

Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

nfnetlink_queue.h (3585B)

    

  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. #ifndef _NFNETLINK_QUEUE_H
  3. #define _NFNETLINK_QUEUE_H
  5. #include <linux/types.h>
  6. #include <linux/netfilter/nfnetlink.h>
  8. enum nfqnl_msg_types {
  9. 	NFQNL_MSG_PACKET,		/* packet from kernel to userspace */
  10. 	NFQNL_MSG_VERDICT,		/* verdict from userspace to kernel */
  11. 	NFQNL_MSG_CONFIG,		/* connect to a particular queue */
  12. 	NFQNL_MSG_VERDICT_BATCH,	/* batchv from userspace to kernel */
  14. 	NFQNL_MSG_MAX
  15. };
  17. struct nfqnl_msg_packet_hdr {
  18. 	__be32		packet_id;	/* unique ID of packet in queue */
  19. 	__be16		hw_protocol;	/* hw protocol (network order) */
  20. 	__u8	hook;		/* netfilter hook */
  21. } __attribute__ ((packed));
  23. struct nfqnl_msg_packet_hw {
  24. 	__be16		hw_addrlen;
  25. 	__u16	_pad;
  26. 	__u8	hw_addr[8];
  27. };
  29. struct nfqnl_msg_packet_timestamp {
  30. 	__aligned_be64	sec;
  31. 	__aligned_be64	usec;
  32. };
  34. enum nfqnl_vlan_attr {
  35. 	NFQA_VLAN_UNSPEC,
  36. 	NFQA_VLAN_PROTO,		/* __be16 skb vlan_proto */
  37. 	NFQA_VLAN_TCI,			/* __be16 skb htons(vlan_tci) */
  38. 	__NFQA_VLAN_MAX,
  39. };
  40. #define NFQA_VLAN_MAX (__NFQA_VLAN_MAX - 1)
  42. enum nfqnl_attr_type {
  43. 	NFQA_UNSPEC,
  44. 	NFQA_PACKET_HDR,
  45. 	NFQA_VERDICT_HDR,		/* nfqnl_msg_verdict_hrd */
  46. 	NFQA_MARK,			/* __u32 nfmark */
  47. 	NFQA_TIMESTAMP,			/* nfqnl_msg_packet_timestamp */
  48. 	NFQA_IFINDEX_INDEV,		/* __u32 ifindex */
  49. 	NFQA_IFINDEX_OUTDEV,		/* __u32 ifindex */
  50. 	NFQA_IFINDEX_PHYSINDEV,		/* __u32 ifindex */
  51. 	NFQA_IFINDEX_PHYSOUTDEV,	/* __u32 ifindex */
  52. 	NFQA_HWADDR,			/* nfqnl_msg_packet_hw */
  53. 	NFQA_PAYLOAD,			/* opaque data payload */
  54. 	NFQA_CT,			/* nfnetlink_conntrack.h */
  55. 	NFQA_CT_INFO,			/* enum ip_conntrack_info */
  56. 	NFQA_CAP_LEN,			/* __u32 length of captured packet */
  57. 	NFQA_SKB_INFO,			/* __u32 skb meta information */
  58. 	NFQA_EXP,			/* nfnetlink_conntrack.h */
  59. 	NFQA_UID,			/* __u32 sk uid */
  60. 	NFQA_GID,			/* __u32 sk gid */
  61. 	NFQA_SECCTX,			/* security context string */
  62. 	NFQA_VLAN,			/* nested attribute: packet vlan info */
  63. 	NFQA_L2HDR,			/* full L2 header */
  64. 	NFQA_PRIORITY,			/* skb->priority */
  65. 	NFQA_CGROUP_CLASSID,		/* __u32 cgroup classid */
  67. 	__NFQA_MAX
  68. };
  69. #define NFQA_MAX (__NFQA_MAX - 1)
  71. struct nfqnl_msg_verdict_hdr {
  72. 	__be32 verdict;
  73. 	__be32 id;
  74. };
  77. enum nfqnl_msg_config_cmds {
  78. 	NFQNL_CFG_CMD_NONE,
  79. 	NFQNL_CFG_CMD_BIND,
  80. 	NFQNL_CFG_CMD_UNBIND,
  81. 	NFQNL_CFG_CMD_PF_BIND,
  82. 	NFQNL_CFG_CMD_PF_UNBIND,
  83. };
  85. struct nfqnl_msg_config_cmd {
  86. 	__u8	command;	/* nfqnl_msg_config_cmds */
  87. 	__u8	_pad;
  88. 	__be16		pf;		/* AF_xxx for PF_[UN]BIND */
  89. };
  91. enum nfqnl_config_mode {
  92. 	NFQNL_COPY_NONE,
  93. 	NFQNL_COPY_META,
  94. 	NFQNL_COPY_PACKET,
  95. };
  97. struct nfqnl_msg_config_params {
  98. 	__be32		copy_range;
  99. 	__u8	copy_mode;	/* enum nfqnl_config_mode */
  100. } __attribute__ ((packed));
  103. enum nfqnl_attr_config {
  104. 	NFQA_CFG_UNSPEC,
  105. 	NFQA_CFG_CMD,			/* nfqnl_msg_config_cmd */
  106. 	NFQA_CFG_PARAMS,		/* nfqnl_msg_config_params */
  107. 	NFQA_CFG_QUEUE_MAXLEN,		/* __u32 */
  108. 	NFQA_CFG_MASK,			/* identify which flags to change */
  109. 	NFQA_CFG_FLAGS,			/* value of these flags (__u32) */
  110. 	__NFQA_CFG_MAX
  111. };
  112. #define NFQA_CFG_MAX (__NFQA_CFG_MAX-1)
  114. /* Flags for NFQA_CFG_FLAGS */
  115. #define NFQA_CFG_F_FAIL_OPEN			(1 << 0)
  116. #define NFQA_CFG_F_CONNTRACK			(1 << 1)
  117. #define NFQA_CFG_F_GSO				(1 << 2)
  118. #define NFQA_CFG_F_UID_GID			(1 << 3)
  119. #define NFQA_CFG_F_SECCTX			(1 << 4)
  120. #define NFQA_CFG_F_MAX				(1 << 5)
  122. /* flags for NFQA_SKB_INFO */
  123. /* packet appears to have wrong checksums, but they are ok */
  124. #define NFQA_SKB_CSUMNOTREADY (1 << 0)
  125. /* packet is GSO (i.e., exceeds device mtu) */
  126. #define NFQA_SKB_GSO (1 << 1)
  127. /* csum not validated (incoming device doesn't support hw checksum, etc.) */
  128. #define NFQA_SKB_CSUM_NOTVERIFIED (1 << 2)
  130. #endif /* _NFNETLINK_QUEUE_H */