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From: Radu Nicolau <radu.nicolau@intel.com>
To: Akhil Goyal <gakhil@marvell.com>, Declan Doherty <declan.doherty@intel.com>
Cc: dev@dpdk.org, mdr@ashroe.eu, konstantin.ananyev@intel.com,
vladimir.medvedkin@intel.com, bruce.richardson@intel.com,
roy.fan.zhang@intel.com, hemant.agrawal@nxp.com, anoobj@marvell.com,
abhijit.sinha@intel.com, daniel.m.buckley@intel.com, marchana@marvell.com,
ktejasree@marvell.com, matan@nvidia.com,
Radu Nicolau <radu.nicolau@intel.com>
Date: Fri, 3 Sep 2021 12:26:17 +0100
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Subject: [dpdk-dev] [PATCH v4 01/10] security: add support for TSO on IPsec
session
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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.doherty@intel.com>
Signed-off-by: Radu Nicolau <radu.nicolau@intel.com>
Signed-off-by: Abhijit Sinha <abhijit.sinha@intel.com>
Signed-off-by: Daniel Martin Buckley <daniel.m.buckley@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