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-rw-r--r--drivers/net/geneve.c6
-rw-r--r--drivers/net/vxlan.c3
-rw-r--r--include/net/ip_tunnels.h8
-rw-r--r--net/core/filter.c2
-rw-r--r--net/ipv4/ip_gre.c2
-rw-r--r--net/ipv6/ip6_gre.c2
-rw-r--r--net/openvswitch/flow_netlink.c7
7 files changed, 23 insertions, 7 deletions
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 3e94375b9b01..471edd76ff55 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -236,7 +236,8 @@ static void geneve_rx(struct geneve_dev *geneve, struct geneve_sock *gs,
}
/* Update tunnel dst according to Geneve options. */
ip_tunnel_info_opts_set(&tun_dst->u.tun_info,
- gnvh->options, gnvh->opt_len * 4);
+ gnvh->options, gnvh->opt_len * 4,
+ TUNNEL_GENEVE_OPT);
} else {
/* Drop packets w/ critical options,
* since we don't support any...
@@ -675,7 +676,8 @@ static void geneve_build_header(struct genevehdr *geneveh,
geneveh->proto_type = htons(ETH_P_TEB);
geneveh->rsvd2 = 0;
- ip_tunnel_info_opts_get(geneveh->options, info);
+ if (info->key.tun_flags & TUNNEL_GENEVE_OPT)
+ ip_tunnel_info_opts_get(geneveh->options, info);
}
static int geneve_build_skb(struct dst_entry *dst, struct sk_buff *skb,
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index cc14e0cd5647..7eb30d7c8bd7 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -2122,7 +2122,8 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
vni = tunnel_id_to_key32(info->key.tun_id);
ifindex = 0;
dst_cache = &info->dst_cache;
- if (info->options_len)
+ if (info->options_len &&
+ info->key.tun_flags & TUNNEL_VXLAN_OPT)
md = ip_tunnel_info_opts(info);
ttl = info->key.ttl;
tos = info->key.tos;
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 90ff430f5e9d..b0d022ff6ea1 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -466,10 +466,12 @@ static inline void ip_tunnel_info_opts_get(void *to,
}
static inline void ip_tunnel_info_opts_set(struct ip_tunnel_info *info,
- const void *from, int len)
+ const void *from, int len,
+ __be16 flags)
{
memcpy(ip_tunnel_info_opts(info), from, len);
info->options_len = len;
+ info->key.tun_flags |= flags;
}
static inline struct ip_tunnel_info *lwt_tun_info(struct lwtunnel_state *lwtstate)
@@ -511,9 +513,11 @@ static inline void ip_tunnel_info_opts_get(void *to,
}
static inline void ip_tunnel_info_opts_set(struct ip_tunnel_info *info,
- const void *from, int len)
+ const void *from, int len,
+ __be16 flags)
{
info->options_len = 0;
+ info->key.tun_flags |= flags;
}
#endif /* CONFIG_INET */
diff --git a/net/core/filter.c b/net/core/filter.c
index e7f12e9f598c..dade922678f6 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -3582,7 +3582,7 @@ BPF_CALL_3(bpf_skb_set_tunnel_opt, struct sk_buff *, skb,
if (unlikely(size > IP_TUNNEL_OPTS_MAX))
return -ENOMEM;
- ip_tunnel_info_opts_set(info, from, size);
+ ip_tunnel_info_opts_set(info, from, size, TUNNEL_OPTIONS_PRESENT);
return 0;
}
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 2d8efeecf619..c8ca5d8f0f75 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -587,6 +587,8 @@ static void erspan_fb_xmit(struct sk_buff *skb, struct net_device *dev,
goto err_free_skb;
key = &tun_info->key;
+ if (!(tun_info->key.tun_flags & TUNNEL_ERSPAN_OPT))
+ goto err_free_rt;
md = ip_tunnel_info_opts(tun_info);
if (!md)
goto err_free_rt;
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index c8cf2fdbb13b..367177786e34 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -990,6 +990,8 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb,
fl6.flowi6_uid = sock_net_uid(dev_net(dev), NULL);
dsfield = key->tos;
+ if (!(tun_info->key.tun_flags & TUNNEL_ERSPAN_OPT))
+ goto tx_err;
md = ip_tunnel_info_opts(tun_info);
if (!md)
goto tx_err;
diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
index 492ab0c36f7c..391c4073a6dc 100644
--- a/net/openvswitch/flow_netlink.c
+++ b/net/openvswitch/flow_netlink.c
@@ -2516,7 +2516,9 @@ static int validate_and_copy_set_tun(const struct nlattr *attr,
struct ovs_tunnel_info *ovs_tun;
struct nlattr *a;
int err = 0, start, opts_type;
+ __be16 dst_opt_type;
+ dst_opt_type = 0;
ovs_match_init(&match, &key, true, NULL);
opts_type = ip_tun_from_nlattr(nla_data(attr), &match, false, log);
if (opts_type < 0)
@@ -2528,10 +2530,13 @@ static int validate_and_copy_set_tun(const struct nlattr *attr,
err = validate_geneve_opts(&key);
if (err < 0)
return err;
+ dst_opt_type = TUNNEL_GENEVE_OPT;
break;
case OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS:
+ dst_opt_type = TUNNEL_VXLAN_OPT;
break;
case OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS:
+ dst_opt_type = TUNNEL_ERSPAN_OPT;
break;
}
}
@@ -2574,7 +2579,7 @@ static int validate_and_copy_set_tun(const struct nlattr *attr,
*/
ip_tunnel_info_opts_set(tun_info,
TUN_METADATA_OPTS(&key, key.tun_opts_len),
- key.tun_opts_len);
+ key.tun_opts_len, dst_opt_type);
add_nested_action_end(*sfa, start);
return err;