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ipv6 addrconf: extend ifa_flags to u32

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There is no more space in u8 ifa_flags. So do what davem suffested and
add another netlink attr called IFA_FLAGS for carry more flags.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Thomas Haller <thaller@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2013-12-06 09:45:21 +01:00 • committed by David S. Miller
parent e6247027e5
commit 479840ffdb
4 changed files with 27 additions and 15 deletions
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4
include/uapi/linux/if_addr.h
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@ -18,6 +18,9 @@ struct ifaddrmsg {
* It makes no difference for normally configured broadcast interfaces,
* but for point-to-point IFA_ADDRESS is DESTINATION address,
* local address is supplied in IFA_LOCAL attribute.
*
* IFA_FLAGS is a u32 attribute that extends the u8 field ifa_flags.
* If present, the value from struct ifaddrmsg will be ignored.
*/
enum {
IFA_UNSPEC,
@ -28,6 +31,7 @@ enum {
IFA_ANYCAST,
IFA_CACHEINFO,
IFA_MULTICAST,
IFA_FLAGS,
__IFA_MAX,
};