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[GENL]: Provide more information to userspace about registered genl families

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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>
This commit is contained in:
Thomas Graf 2006-09-18 00:01:59 -07:00 • committed by David S. Miller
parent 78e5b8916e
commit eb328111ef
3 changed files with 58 additions and 2 deletions
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2
include/net/genetlink.h
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@ -27,8 +27,6 @@ struct genl_family
struct list_head family_list; /* private */
};
#define GENL_ADMIN_PERM 0x01
/**
* struct genl_info - receiving information
* @snd_seq: sending sequence number