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-rw-r--r--include/net/ip.h11
-rw-r--r--net/ipv4/ip_forward.c3
-rw-r--r--net/ipv4/route.c9
3 files changed, 13 insertions, 10 deletions
diff --git a/include/net/ip.h b/include/net/ip.h
index 0bb620702929..f7cbd703d15d 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -39,11 +39,12 @@ struct inet_skb_parm {
39 struct ip_options opt; /* Compiled IP options */ 39 struct ip_options opt; /* Compiled IP options */
40 unsigned char flags; 40 unsigned char flags;
41 41
42#define IPSKB_FORWARDED 1 42#define IPSKB_FORWARDED BIT(0)
43#define IPSKB_XFRM_TUNNEL_SIZE 2 43#define IPSKB_XFRM_TUNNEL_SIZE BIT(1)
44#define IPSKB_XFRM_TRANSFORMED 4 44#define IPSKB_XFRM_TRANSFORMED BIT(2)
45#define IPSKB_FRAG_COMPLETE 8 45#define IPSKB_FRAG_COMPLETE BIT(3)
46#define IPSKB_REROUTED 16 46#define IPSKB_REROUTED BIT(4)
47#define IPSKB_DOREDIRECT BIT(5)
47 48
48 u16 frag_max_size; 49 u16 frag_max_size;
49}; 50};
diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
index 3a83ce5efa80..787b3c294ce6 100644
--- a/net/ipv4/ip_forward.c
+++ b/net/ipv4/ip_forward.c
@@ -129,7 +129,8 @@ int ip_forward(struct sk_buff *skb)
129 * We now generate an ICMP HOST REDIRECT giving the route 129 * We now generate an ICMP HOST REDIRECT giving the route
130 * we calculated. 130 * we calculated.
131 */ 131 */
132 if (rt->rt_flags&RTCF_DOREDIRECT && !opt->srr && !skb_sec_path(skb)) 132 if (IPCB(skb)->flags & IPSKB_DOREDIRECT && !opt->srr &&
133 !skb_sec_path(skb))
133 ip_rt_send_redirect(skb); 134 ip_rt_send_redirect(skb);
134 135
135 skb->priority = rt_tos2priority(iph->tos); 136 skb->priority = rt_tos2priority(iph->tos);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 6a2155b02602..d58dd0ec3e53 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1554,11 +1554,10 @@ static int __mkroute_input(struct sk_buff *skb,
1554 1554
1555 do_cache = res->fi && !itag; 1555 do_cache = res->fi && !itag;
1556 if (out_dev == in_dev && err && IN_DEV_TX_REDIRECTS(out_dev) && 1556 if (out_dev == in_dev && err && IN_DEV_TX_REDIRECTS(out_dev) &&
1557 skb->protocol == htons(ETH_P_IP) &&
1557 (IN_DEV_SHARED_MEDIA(out_dev) || 1558 (IN_DEV_SHARED_MEDIA(out_dev) ||
1558 inet_addr_onlink(out_dev, saddr, FIB_RES_GW(*res)))) { 1559 inet_addr_onlink(out_dev, saddr, FIB_RES_GW(*res))))
1559 flags |= RTCF_DOREDIRECT; 1560 IPCB(skb)->flags |= IPSKB_DOREDIRECT;
1560 do_cache = false;
1561 }
1562 1561
1563 if (skb->protocol != htons(ETH_P_IP)) { 1562 if (skb->protocol != htons(ETH_P_IP)) {
1564 /* Not IP (i.e. ARP). Do not create route, if it is 1563 /* Not IP (i.e. ARP). Do not create route, if it is
@@ -2303,6 +2302,8 @@ static int rt_fill_info(struct net *net, __be32 dst, __be32 src,
2303 r->rtm_flags = (rt->rt_flags & ~0xFFFF) | RTM_F_CLONED; 2302 r->rtm_flags = (rt->rt_flags & ~0xFFFF) | RTM_F_CLONED;
2304 if (rt->rt_flags & RTCF_NOTIFY) 2303 if (rt->rt_flags & RTCF_NOTIFY)
2305 r->rtm_flags |= RTM_F_NOTIFY; 2304 r->rtm_flags |= RTM_F_NOTIFY;
2305 if (IPCB(skb)->flags & IPSKB_DOREDIRECT)
2306 r->rtm_flags |= RTCF_DOREDIRECT;
2306 2307
2307 if (nla_put_be32(skb, RTA_DST, dst)) 2308 if (nla_put_be32(skb, RTA_DST, dst))
2308 goto nla_put_failure; 2309 goto nla_put_failure;