aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/include
diff options
context:
space:
mode:
authorPravin B Shelar <pshelar@nicira.com>2015-08-07 23:51:42 -0700
committerDavid S. Miller <davem@davemloft.net>2015-08-10 14:03:54 -0700
commit2e15ea390e6f4466655066d97e22ec66870a042c (patch)
tree68df68ac988e713a34b830bfabe05faaf0d55bf4 /include
parentopenvswitch: Move tunnel destroy function to oppenvswitch module. (diff)
downloadwireguard-linux-2e15ea390e6f4466655066d97e22ec66870a042c.tar.xz
wireguard-linux-2e15ea390e6f4466655066d97e22ec66870a042c.zip
ip_gre: Add support to collect tunnel metadata.
Following patch create new tunnel flag which enable tunnel metadata collection on given device. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/net/ip_tunnels.h7
-rw-r--r--include/uapi/linux/if_tunnel.h1
2 files changed, 7 insertions, 1 deletions
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 47984415f5d1..984dbfa15e13 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -82,6 +82,8 @@ struct ip_tunnel_dst {
__be32 saddr;
};
+struct metadata_dst;
+
struct ip_tunnel {
struct ip_tunnel __rcu *next;
struct hlist_node hash_node;
@@ -115,6 +117,7 @@ struct ip_tunnel {
unsigned int prl_count; /* # of entries in PRL */
int ip_tnl_net_id;
struct gro_cells gro_cells;
+ bool collect_md;
};
#define TUNNEL_CSUM __cpu_to_be16(0x01)
@@ -149,6 +152,7 @@ struct tnl_ptk_info {
struct ip_tunnel_net {
struct net_device *fb_tunnel_dev;
struct hlist_head tunnels[IP_TNL_HASH_SIZE];
+ struct ip_tunnel __rcu *collect_md_tun;
};
struct ip_tunnel_encap_ops {
@@ -235,7 +239,8 @@ struct ip_tunnel *ip_tunnel_lookup(struct ip_tunnel_net *itn,
__be32 key);
int ip_tunnel_rcv(struct ip_tunnel *tunnel, struct sk_buff *skb,
- const struct tnl_ptk_info *tpi, bool log_ecn_error);
+ const struct tnl_ptk_info *tpi, struct metadata_dst *tun_dst,
+ bool log_ecn_error);
int ip_tunnel_changelink(struct net_device *dev, struct nlattr *tb[],
struct ip_tunnel_parm *p);
int ip_tunnel_newlink(struct net_device *dev, struct nlattr *tb[],
diff --git a/include/uapi/linux/if_tunnel.h b/include/uapi/linux/if_tunnel.h
index bd3cc11a431f..af4de90ba27d 100644
--- a/include/uapi/linux/if_tunnel.h
+++ b/include/uapi/linux/if_tunnel.h
@@ -112,6 +112,7 @@ enum {
IFLA_GRE_ENCAP_FLAGS,
IFLA_GRE_ENCAP_SPORT,
IFLA_GRE_ENCAP_DPORT,
+ IFLA_GRE_COLLECT_METADATA,
__IFLA_GRE_MAX,
};