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-rw-r--r--include/net/ip.h1
-rw-r--r--net/ipv4/ip_input.c3
-rw-r--r--net/ipv4/route.c1
3 files changed, 4 insertions, 1 deletions
diff --git a/include/net/ip.h b/include/net/ip.h
index 9276cea775cc..3489a1cca5e7 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -57,6 +57,7 @@ struct inet_skb_parm {
#define IPSKB_FRAG_PMTU BIT(6)
#define IPSKB_L3SLAVE BIT(7)
#define IPSKB_NOPOLICY BIT(8)
+#define IPSKB_MULTIPATH BIT(9)
u16 frag_max_size;
};
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index fe9ead9ee863..5e9c8156656a 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -584,7 +584,8 @@ static void ip_sublist_rcv_finish(struct list_head *head)
static struct sk_buff *ip_extract_route_hint(const struct net *net,
struct sk_buff *skb, int rt_type)
{
- if (fib4_has_custom_rules(net) || rt_type == RTN_BROADCAST)
+ if (fib4_has_custom_rules(net) || rt_type == RTN_BROADCAST ||
+ IPCB(skb)->flags & IPSKB_MULTIPATH)
return NULL;
return skb;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index a4e153dd615b..6a3f57a3fa41 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2144,6 +2144,7 @@ static int ip_mkroute_input(struct sk_buff *skb,
int h = fib_multipath_hash(res->fi->fib_net, NULL, skb, hkeys);
fib_select_multipath(res, h);
+ IPCB(skb)->flags |= IPSKB_MULTIPATH;
}
#endif