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[NET] rules: Unified rules dumping

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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>
This commit is contained in:
Thomas Graf 2007-03-25 23:24:24 -07:00 • committed by David S. Miller
parent 687ad8cc64
commit c454673da7
6 changed files with 45 additions and 34 deletions
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8
include/net/rtnetlink.h
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@ -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