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authorMaciej Żenczykowski <maze@google.com>2016-09-27 23:57:58 -0700
committerDavid S. Miller <davem@davemloft.net>2016-09-30 01:54:28 -0400
commitbd11f0741fa5a2c296629898ad07759dd12b35bb (patch)
treee25b67382a3798f6274bc4e85c06a1133deb56a2 /include/uapi
parentbcdc6efabda3ba6a67f4cb8915873e7d6759b7e6 (diff)
ipv6 addrconf: implement RFC7559 router solicitation backoff
This implements: https://tools.ietf.org/html/rfc7559 Backoff is performed according to RFC3315 section 14: https://tools.ietf.org/html/rfc3315#section-14 We allow setting /proc/sys/net/ipv6/conf/*/router_solicitations to a negative value meaning an unlimited number of retransmits, and we make this the new default (inline with the RFC). We also add a new setting: /proc/sys/net/ipv6/conf/*/router_solicitation_max_interval defaulting to 1 hour (per RFC recommendation). Signed-off-by: Maciej Żenczykowski <maze@google.com> Acked-by: Erik Kline <ek@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/ipv6.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/ipv6.h b/include/uapi/linux/ipv6.h
index 395876060f50..8c2772340c3f 100644
--- a/include/uapi/linux/ipv6.h
+++ b/include/uapi/linux/ipv6.h
@@ -177,6 +177,7 @@ enum {
DEVCONF_DROP_UNICAST_IN_L2_MULTICAST,
DEVCONF_DROP_UNSOLICITED_NA,
DEVCONF_KEEP_ADDR_ON_DOWN,
+ DEVCONF_RTR_SOLICIT_MAX_INTERVAL,
DEVCONF_MAX
};