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-rw-r--r--net/ipv4/fib_lookup.h3
-rw-r--r--net/ipv4/fib_semantics.c3
-rw-r--r--net/ipv4/fib_trie.c7
-rw-r--r--net/ipv4/route.c1
4 files changed, 12 insertions, 2 deletions
diff --git a/net/ipv4/fib_lookup.h b/net/ipv4/fib_lookup.h
index aff454ef0fa3..b58db1ca4bfb 100644
--- a/net/ipv4/fib_lookup.h
+++ b/net/ipv4/fib_lookup.h
@@ -18,7 +18,8 @@ struct fib_alias {
s16 fa_default;
u8 offload:1,
trap:1,
- unused:6;
+ offload_failed:1,
+ unused:5;
struct rcu_head rcu;
};
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 4c38facf91c0..a632b66bc13a 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -521,6 +521,7 @@ void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,
fri.type = fa->fa_type;
fri.offload = fa->offload;
fri.trap = fa->trap;
+ fri.offload_failed = fa->offload_failed;
err = fib_dump_info(skb, info->portid, seq, event, &fri, nlm_flags);
if (err < 0) {
/* -EMSGSIZE implies BUG in fib_nlmsg_size() */
@@ -1811,6 +1812,8 @@ offload:
rtm->rtm_flags |= RTM_F_OFFLOAD;
if (fri->trap)
rtm->rtm_flags |= RTM_F_TRAP;
+ if (fri->offload_failed)
+ rtm->rtm_flags |= RTM_F_OFFLOAD_FAILED;
nlmsg_end(skb, nlh);
return 0;
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 60559b708158..80147caa9bfd 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1047,11 +1047,13 @@ void fib_alias_hw_flags_set(struct net *net, const struct fib_rt_info *fri)
if (!fa_match)
goto out;
- if (fa_match->offload == fri->offload && fa_match->trap == fri->trap)
+ if (fa_match->offload == fri->offload && fa_match->trap == fri->trap &&
+ fa_match->offload_failed == fri->offload_failed)
goto out;
fa_match->offload = fri->offload;
fa_match->trap = fri->trap;
+ fa_match->offload_failed = fri->offload_failed;
if (!net->ipv4.sysctl_fib_notify_on_flag_change)
goto out;
@@ -1290,6 +1292,7 @@ int fib_table_insert(struct net *net, struct fib_table *tb,
new_fa->fa_default = -1;
new_fa->offload = 0;
new_fa->trap = 0;
+ new_fa->offload_failed = 0;
hlist_replace_rcu(&fa->fa_list, &new_fa->fa_list);
@@ -1350,6 +1353,7 @@ int fib_table_insert(struct net *net, struct fib_table *tb,
new_fa->fa_default = -1;
new_fa->offload = 0;
new_fa->trap = 0;
+ new_fa->offload_failed = 0;
/* Insert new entry to the list. */
err = fib_insert_alias(t, tp, l, new_fa, fa, key);
@@ -2289,6 +2293,7 @@ static int fn_trie_dump_leaf(struct key_vector *l, struct fib_table *tb,
fri.type = fa->fa_type;
fri.offload = fa->offload;
fri.trap = fa->trap;
+ fri.offload_failed = fa->offload_failed;
err = fib_dump_info(skb,
NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index be31e2446470..02d81d79deeb 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -3304,6 +3304,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh,
fri.type = rt->rt_type;
fri.offload = 0;
fri.trap = 0;
+ fri.offload_failed = 0;
if (res.fa_head) {
struct fib_alias *fa;