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authorToms Atteka <cpp.code.lv@gmail.com>2022-02-23 16:54:09 -0800
committerDavid S. Miller <davem@davemloft.net>2022-02-25 10:32:55 +0000
commit28a3f0601727d521a1c6cce62ecbcb7402a9e4f5 (patch)
tree0919259bbf64870d4fd117cc4c59e8188882da45 /net/openvswitch/flow.h
parenta46e3d5eb7050755c6e47e378af39289f4a727c6 (diff)
net: openvswitch: IPv6: Add IPv6 extension header support
This change adds a new OpenFlow field OFPXMT_OFB_IPV6_EXTHDR and packets can be filtered using ipv6_ext flag. Signed-off-by: Toms Atteka <cpp.code.lv@gmail.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.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/net/openvswitch/flow.h b/net/openvswitch/flow.h
index 758a8c77f736..073ab73ffeaa 100644
--- a/net/openvswitch/flow.h
+++ b/net/openvswitch/flow.h
@@ -32,6 +32,19 @@ enum sw_flow_mac_proto {
#define SW_FLOW_KEY_INVALID 0x80
#define MPLS_LABEL_DEPTH 3
+/* Bit definitions for IPv6 Extension Header pseudo-field. */
+enum ofp12_ipv6exthdr_flags {
+ OFPIEH12_NONEXT = 1 << 0, /* "No next header" encountered. */
+ OFPIEH12_ESP = 1 << 1, /* Encrypted Sec Payload header present. */
+ OFPIEH12_AUTH = 1 << 2, /* Authentication header present. */
+ OFPIEH12_DEST = 1 << 3, /* 1 or 2 dest headers present. */
+ OFPIEH12_FRAG = 1 << 4, /* Fragment header present. */
+ OFPIEH12_ROUTER = 1 << 5, /* Router header present. */
+ OFPIEH12_HOP = 1 << 6, /* Hop-by-hop header present. */
+ OFPIEH12_UNREP = 1 << 7, /* Unexpected repeats encountered. */
+ OFPIEH12_UNSEQ = 1 << 8 /* Unexpected sequencing encountered. */
+};
+
/* 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
* matching for small options.
@@ -121,6 +134,7 @@ struct sw_flow_key {
struct in6_addr dst; /* IPv6 destination address. */
} addr;
__be32 label; /* IPv6 flow label. */
+ u16 exthdrs; /* IPv6 extension header flags */
union {
struct {
struct in6_addr src;