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| author | Thomas Graf <tgraf@suug.ch> | 2007-03-25 23:24:24 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:27:17 -0700 |
| commit | c454673da7c1d6533f40ec2f788023df9af56ebf (patch) | |
| tree | 004d329e049f3bdef09ff20623e24cba9f1fac12 /include/net/rtnetlink.h | |
| parent | 687ad8cc640fd1f1619cc44a9ab274dabd48c758 (diff) | |
| download | lwn-c454673da7c1d6533f40ec2f788023df9af56ebf.tar.gz lwn-c454673da7c1d6533f40ec2f788023df9af56ebf.zip | |
[NET] rules: Unified rules dumping
Implements a unified, protocol independant rules dumping function
which is capable of both, dumping a specific protocol family or
all of them. This speeds up dumping as less lookups are required.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/rtnetlink.h')
| -rw-r--r-- | include/net/rtnetlink.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h index dce7072bd28c..086fa9e89509 100644 --- a/include/net/rtnetlink.h +++ b/include/net/rtnetlink.h @@ -15,4 +15,12 @@ extern int rtnl_unregister(int protocol, int msgtype); extern void rtnl_unregister_all(int protocol); extern int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb); +static inline int rtnl_msg_family(struct nlmsghdr *nlh) +{ + if (nlmsg_len(nlh) >= sizeof(struct rtgenmsg)) + return ((struct rtgenmsg *) nlmsg_data(nlh))->rtgen_family; + else + return AF_UNSPEC; +} + #endif |