A future commit will add more L4 state fields that will be part of the
L3 section.
Signed-off-by: Justin Pettit <jpet...@nicira.com>
---
lib/flow.h | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/lib/flow.h b/lib/flow.h
index 3b8d24d..250a10e 100644
--- a/lib/flow.h
+++ b/lib/flow.h
@@ -121,7 +121,10 @@ struct flow {
uint8_t arp_sha[6]; /* ARP/ND source hardware address. */
uint8_t arp_tha[6]; /* ARP/ND target hardware address. */
struct in6_addr nd_target; /* IPv6 neighbor discovery (ND) target. */
- ovs_be16 tcp_flags; /* TCP flags. With L3 to avoid matching L4. */
+ /* These fields are associated with L4 state. Rules are often
+ * written over the L3 fields and the L4 state (without referencing
+ * the L4 headers, so we lump these with the L3 section. */
+ ovs_be16 tcp_flags; /* TCP flags. */
ovs_be16 pad; /* Padding. */
/* L4 */
--
1.7.5.4
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