From: David Ahern <dsah...@gmail.com>
Similar to IPv4, IPv6 fib no longer contains cloned routes. If a user
requests a route dump for only cloned entries, no sense walking the FIB
and returning everything.
Signed-off-by: David Ahern <dsah...@gmail.com>
---
net/ipv6/ip6_fib.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 5562c77022c6..2a058b408a6a 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -586,10 +586,13 @@ static int inet6_dump_fib(struct sk_buff *skb, struct
netlink_callback *cb)
} else if (nlmsg_len(nlh) >= sizeof(struct rtmsg)) {
struct rtmsg *rtm = nlmsg_data(nlh);
- if (rtm->rtm_flags & RTM_F_PREFIX)
- arg.filter.flags = RTM_F_PREFIX;
+ arg.filter.flags = rtm->rtm_flags & (RTM_F_PREFIX|RTM_F_CLONED);
}
+ /* fib entries are never clones */
+ if (arg.filter.flags & RTM_F_CLONED)
+ return skb->len;
+
w = (void *)cb->args[2];
if (!w) {
/* New dump:
--
2.11.0
