Allow user to provision a per security session maximum segment size
(MSS) for use when Transmit Segmentation Offload (TSO) is supported.
The MSS value will be used when PKT_TX_TCP_SEG or PKT_TX_UDP_SEG
ol_flags are specified in mbuf.
Signed-off-by: Declan Doherty <declan.dohe...@intel.com>
Signed-off-by: Radu Nicolau <radu.nico...@intel.com>
Signed-off-by: Abhijit Sinha <abhijits.si...@intel.com>
Signed-off-by: Daniel Martin Buckley <daniel.m.buck...@intel.com>
---
lib/security/rte_security.h | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/lib/security/rte_security.h b/lib/security/rte_security.h
index 88d31de0a6..45896a77d0 100644
--- a/lib/security/rte_security.h
+++ b/lib/security/rte_security.h
@@ -181,6 +181,19 @@ struct rte_security_ipsec_sa_options {
* * 0: Disable per session security statistics collection for this SA.
*/
uint32_t stats : 1;
+
+ /** Transmit Segmentation Offload (TSO)
+ *
+ * * 1: Enable per session security TSO support, use MSS value provide
+ * in IPsec security session when PKT_TX_TCP_SEG or PKT_TX_UDP_SEG
+ * ol_flags are set in mbuf.
+ * this SA, if supported by the driver.
+ * * 0: No TSO support for offload IPsec packets. Hardware will not
+ * attempt to segment packet, and packet transmission will fail if
+ * larger than MTU of interface
+ */
+ uint32_t tso : 1;
+
};
/** IPSec security association direction */
@@ -217,6 +230,8 @@ struct rte_security_ipsec_xform {
/**< Anti replay window size to enable sequence replay attack handling.
* replay checking is disabled if the window size is 0.
*/
+ uint32_t mss;
+ /**< IPsec payload Maximum Segment Size */
};
/**
--
2.25.1
