In struct rte_security_ipsec_sa_options, for every new option
added, there is an ABI breakage, to avoid, a reserved_opts
bitfield is added to for the remaining bits available in the
structure.
Now for every new sa option, these reserved_opts can be reduced
and new option can be added.
Signed-off-by: Akhil Goyal <gak...@marvell.com>
Acked-by: Konstantin Ananyev <konstantin.anan...@intel.com>
Acked-by: Ray Kinsella <m...@ashroe.eu>
---
v3:
- added a comment for requesting user to clear reserved_opts.
- removed LIST_END enumerators patch. It will be handled separately.
lib/security/rte_security.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/lib/security/rte_security.h b/lib/security/rte_security.h
index 17d0e95412..4c55dcd744 100644
--- a/lib/security/rte_security.h
+++ b/lib/security/rte_security.h
@@ -263,6 +263,15 @@ struct rte_security_ipsec_sa_options {
* PKT_TX_UDP_CKSUM or PKT_TX_L4_MASK in mbuf.
*/
uint32_t l4_csum_enable : 1;
+
+ /** Reserved bit fields for future extension
+ *
+ * User should ensure reserved_opts is cleared as it may change in
+ * subsequent releases to support new options.
+ *
+ * Note: Reduce number of bits in reserved_opts for every new option.
+ */
+ uint32_t reserved_opts : 18;
};
/** IPSec security association direction */
--
2.25.1
