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![Thomas Graf](/assets/img/avatar_default.png)
Additionaly exports the following information when providing the list of registered generic netlink families: - protocol version - header size - maximum number of attributes - list of available operations including - id - flags - avaiability of policy and doit/dumpit function libnl HEAD provides a utility to read this new information: 0x0010 nlctrl version 1 hdrsize 0 maxattr 6 op GETFAMILY (0x03) [POLICY,DOIT,DUMPIT] 0x0011 NLBL_MGMT version 1 hdrsize 0 maxattr 0 op unknown (0x02) [DOIT] op unknown (0x03) [DOIT] .... Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
69 lines
1.3 KiB
C
69 lines
1.3 KiB
C
#ifndef __LINUX_GENERIC_NETLINK_H
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#define __LINUX_GENERIC_NETLINK_H
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#include <linux/netlink.h>
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#define GENL_NAMSIZ 16 /* length of family name */
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#define GENL_MIN_ID NLMSG_MIN_TYPE
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#define GENL_MAX_ID 1023
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struct genlmsghdr {
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__u8 cmd;
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__u8 version;
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__u16 reserved;
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};
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#define GENL_HDRLEN NLMSG_ALIGN(sizeof(struct genlmsghdr))
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#define GENL_ADMIN_PERM 0x01
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/*
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* List of reserved static generic netlink identifiers:
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*/
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#define GENL_ID_GENERATE 0
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#define GENL_ID_CTRL NLMSG_MIN_TYPE
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/**************************************************************************
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* Controller
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**************************************************************************/
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enum {
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CTRL_CMD_UNSPEC,
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CTRL_CMD_NEWFAMILY,
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CTRL_CMD_DELFAMILY,
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CTRL_CMD_GETFAMILY,
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CTRL_CMD_NEWOPS,
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CTRL_CMD_DELOPS,
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CTRL_CMD_GETOPS,
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__CTRL_CMD_MAX,
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};
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#define CTRL_CMD_MAX (__CTRL_CMD_MAX - 1)
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enum {
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CTRL_ATTR_UNSPEC,
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CTRL_ATTR_FAMILY_ID,
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CTRL_ATTR_FAMILY_NAME,
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CTRL_ATTR_VERSION,
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CTRL_ATTR_HDRSIZE,
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CTRL_ATTR_MAXATTR,
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CTRL_ATTR_OPS,
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__CTRL_ATTR_MAX,
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};
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#define CTRL_ATTR_MAX (__CTRL_ATTR_MAX - 1)
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enum {
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CTRL_ATTR_OP_UNSPEC,
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CTRL_ATTR_OP_ID,
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CTRL_ATTR_OP_FLAGS,
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CTRL_ATTR_OP_POLICY,
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CTRL_ATTR_OP_DOIT,
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CTRL_ATTR_OP_DUMPIT,
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__CTRL_ATTR_OP_MAX,
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};
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#define CTRL_ATTR_OP_MAX (__CTRL_ATTR_OP_MAX - 1)
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#endif /* __LINUX_GENERIC_NETLINK_H */
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