[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>
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David S. Miller
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687ad8cc64
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c454673da7
@@ -15,4 +15,12 @@ extern int rtnl_unregister(int protocol, int msgtype);
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extern void rtnl_unregister_all(int protocol);
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extern int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb);
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static inline int rtnl_msg_family(struct nlmsghdr *nlh)
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{
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if (nlmsg_len(nlh) >= sizeof(struct rtgenmsg))
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return ((struct rtgenmsg *) nlmsg_data(nlh))->rtgen_family;
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else
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return AF_UNSPEC;
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}
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#endif
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