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Diffstat (limited to 'include/net/dst_metadata.h')
-rw-r--r--include/net/dst_metadata.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h
index adab27ba1ecb..a454cf4327fe 100644
--- a/include/net/dst_metadata.h
+++ b/include/net/dst_metadata.h
@@ -4,11 +4,14 @@
#include <linux/skbuff.h>
#include <net/ip_tunnels.h>
+#include <net/macsec.h>
#include <net/dst.h>
enum metadata_type {
METADATA_IP_TUNNEL,
METADATA_HW_PORT_MUX,
+ METADATA_MACSEC,
+ METADATA_XFRM,
};
struct hw_port_info {
@@ -16,12 +19,23 @@ struct hw_port_info {
u32 port_id;
};
+struct macsec_info {
+ sci_t sci;
+};
+
+struct xfrm_md_info {
+ u32 if_id;
+ int link;
+};
+
struct metadata_dst {
struct dst_entry dst;
enum metadata_type type;
union {
struct ip_tunnel_info tun_info;
struct hw_port_info port_info;
+ struct macsec_info macsec_info;
+ struct xfrm_md_info xfrm_info;
} u;
};
@@ -53,6 +67,27 @@ skb_tunnel_info(const struct sk_buff *skb)
return NULL;
}
+static inline struct xfrm_md_info *lwt_xfrm_info(struct lwtunnel_state *lwt)
+{
+ return (struct xfrm_md_info *)lwt->data;
+}
+
+static inline struct xfrm_md_info *skb_xfrm_md_info(const struct sk_buff *skb)
+{
+ struct metadata_dst *md_dst = skb_metadata_dst(skb);
+ struct dst_entry *dst;
+
+ if (md_dst && md_dst->type == METADATA_XFRM)
+ return &md_dst->u.xfrm_info;
+
+ dst = skb_dst(skb);
+ if (dst && dst->lwtstate &&
+ dst->lwtstate->type == LWTUNNEL_ENCAP_XFRM)
+ return lwt_xfrm_info(dst->lwtstate);
+
+ return NULL;
+}
+
static inline bool skb_valid_dst(const struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
@@ -82,6 +117,12 @@ static inline int skb_metadata_dst_cmp(const struct sk_buff *skb_a,
return memcmp(&a->u.tun_info, &b->u.tun_info,
sizeof(a->u.tun_info) +
a->u.tun_info.options_len);
+ case METADATA_MACSEC:
+ return memcmp(&a->u.macsec_info, &b->u.macsec_info,
+ sizeof(a->u.macsec_info));
+ case METADATA_XFRM:
+ return memcmp(&a->u.xfrm_info, &b->u.xfrm_info,
+ sizeof(a->u.xfrm_info));
default:
return 1;
}