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authorSteffen Klassert <steffen.klassert@secunet.com>2017-04-14 11:06:10 +0300
committerSteffen Klassert <steffen.klassert@secunet.com>2017-04-14 11:06:10 +0300
commitd77e38e612a017480157fe6d2c1422f42cb5b7e3 (patch)
treeae95d5230477ab95e8f301e9123c9f698a530551 /include/uapi/linux/xfrm.h
parentc35fe4106b928d0a5909cfdac53c1db559b24299 (diff)
downloadlinux-d77e38e612a017480157fe6d2c1422f42cb5b7e3.tar.xz
xfrm: Add an IPsec hardware offloading API
This patch adds all the bits that are needed to do IPsec hardware offload for IPsec states and ESP packets. We add xfrmdev_ops to the net_device. xfrmdev_ops has function pointers that are needed to manage the xfrm states in the hardware and to do a per packet offloading decision. Joint work with: Ilan Tayari <ilant@mellanox.com> Guy Shapiro <guysh@mellanox.com> Yossi Kuperman <yossiku@mellanox.com> Signed-off-by: Guy Shapiro <guysh@mellanox.com> Signed-off-by: Ilan Tayari <ilant@mellanox.com> Signed-off-by: Yossi Kuperman <yossiku@mellanox.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'include/uapi/linux/xfrm.h')
-rw-r--r--include/uapi/linux/xfrm.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/uapi/linux/xfrm.h b/include/uapi/linux/xfrm.h
index 1fc62b239f1b..2b384ff09fa0 100644
--- a/include/uapi/linux/xfrm.h
+++ b/include/uapi/linux/xfrm.h
@@ -303,6 +303,7 @@ enum xfrm_attr_type_t {
XFRMA_PROTO, /* __u8 */
XFRMA_ADDRESS_FILTER, /* struct xfrm_address_filter */
XFRMA_PAD,
+ XFRMA_OFFLOAD_DEV, /* struct xfrm_state_offload */
__XFRMA_MAX
#define XFRMA_MAX (__XFRMA_MAX - 1)
@@ -494,6 +495,13 @@ struct xfrm_address_filter {
__u8 dplen;
};
+struct xfrm_user_offload {
+ int ifindex;
+ __u8 flags;
+};
+#define XFRM_OFFLOAD_IPV6 1
+#define XFRM_OFFLOAD_INBOUND 2
+
#ifndef __KERNEL__
/* backwards compatibility for userspace */
#define XFRMGRP_ACQUIRE 1