The RTF_ADDRCONF flag filters out routes added by RA's in determining
which routes can be appended to an existing one to create a multipath
route. Restore the flag check and add a comment to document the RA piece.
Fixes:
4e54507ab1a9 ("ipv6: Simplify rt6_qualify_for_ecmp")
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
static bool mlxsw_sp_fib6_rt_can_mp(const struct fib6_info *rt)
{
/* RTF_CACHE routes are ignored */
- return rt->fib6_nh.fib_nh_gw_family;
+ return !(rt->fib6_flags & RTF_ADDRCONF) && rt->fib6_nh.fib_nh_gw_family;
}
static struct fib6_info *
static inline bool rt6_qualify_for_ecmp(const struct fib6_info *f6i)
{
- return f6i->fib6_nh.fib_nh_gw_family;
+ /* the RTF_ADDRCONF flag filters out RA's */
+ return !(f6i->fib6_flags & RTF_ADDRCONF) &&
+ f6i->fib6_nh.fib_nh_gw_family;
}
void ip6_route_input(struct sk_buff *skb);