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authorMartin Varghese <martin.varghese@nokia.com>2019-11-04 07:27:44 +0530
committerDavid S. Miller <davem@davemloft.net>2019-11-05 18:02:29 -0800
commitfbdcdd78da7c95f1b970d371e1b23cbd3aa990f3 (patch)
tree34340f85a9ca49095a4e88127c056d40066c2cbd /net/openvswitch/flow.h
parenta5ec65169c6000bb525b45cb5615dd98356dbf73 (diff)
Change in Openvswitch to support MPLS label depth of 3 in ingress direction
The openvswitch was supporting a MPLS label depth of 1 in the ingress direction though the userspace OVS supports a max depth of 3 labels. This change enables openvswitch module to support a max depth of 3 labels in the ingress. Signed-off-by: Martin Varghese <martin.varghese@nokia.com> Acked-by: Pravin B Shelar <pshelar@ovn.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/openvswitch/flow.h')
-rw-r--r--net/openvswitch/flow.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/net/openvswitch/flow.h b/net/openvswitch/flow.h
index 8080518ca5f2..fd8ed766bdd1 100644
--- a/net/openvswitch/flow.h
+++ b/net/openvswitch/flow.h
@@ -30,6 +30,7 @@ enum sw_flow_mac_proto {
MAC_PROTO_ETHERNET,
};
#define SW_FLOW_KEY_INVALID 0x80
+#define MPLS_LABEL_DEPTH 3
/* Store options at the end of the array if they are less than the
* maximum size. This allows us to get the benefits of variable length
@@ -85,9 +86,6 @@ struct sw_flow_key {
*/
union {
struct {
- __be32 top_lse; /* top label stack entry */
- } mpls;
- struct {
u8 proto; /* IP protocol or lower 8 bits of ARP opcode. */
u8 tos; /* IP ToS. */
u8 ttl; /* IP TTL/hop limit. */
@@ -135,6 +133,11 @@ struct sw_flow_key {
} nd;
};
} ipv6;
+ struct {
+ u32 num_labels_mask; /* labels present bitmap of effective length MPLS_LABEL_DEPTH */
+ __be32 lse[MPLS_LABEL_DEPTH]; /* label stack entry */
+ } mpls;
+
struct ovs_key_nsh nsh; /* network service header */
};
struct {