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-rw-r--r--include/net/xfrm.h6
-rw-r--r--net/xfrm/xfrm_device.c8
-rw-r--r--net/xfrm/xfrm_user.c3
3 files changed, 15 insertions, 2 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index bb20278d689c..45422f7be0c5 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -126,12 +126,18 @@ struct xfrm_state_walk {
struct xfrm_address_filter *filter;
};
+enum {
+ XFRM_DEV_OFFLOAD_IN = 1,
+ XFRM_DEV_OFFLOAD_OUT,
+};
+
struct xfrm_dev_offload {
struct net_device *dev;
netdevice_tracker dev_tracker;
struct net_device *real_dev;
unsigned long offload_handle;
u8 flags;
+ u8 dir : 2;
};
struct xfrm_mode {
diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index 6e4d3cb2e24d..c818afca9137 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -117,7 +117,7 @@ struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t featur
sp = skb_sec_path(skb);
x = sp->xvec[sp->len - 1];
- if (xo->flags & XFRM_GRO || x->xso.flags & XFRM_OFFLOAD_INBOUND)
+ if (xo->flags & XFRM_GRO || x->xso.dir == XFRM_DEV_OFFLOAD_IN)
return skb;
/* This skb was already validated on the upper/virtual dev */
@@ -267,10 +267,16 @@ int xfrm_dev_state_add(struct net *net, struct xfrm_state *x,
/* Don't forward bit that is not implemented */
xso->flags = xuo->flags & ~XFRM_OFFLOAD_IPV6;
+ if (xuo->flags & XFRM_OFFLOAD_INBOUND)
+ xso->dir = XFRM_DEV_OFFLOAD_IN;
+ else
+ xso->dir = XFRM_DEV_OFFLOAD_OUT;
+
err = dev->xfrmdev_ops->xdo_dev_state_add(x);
if (err) {
xso->flags = 0;
xso->dev = NULL;
+ xso->dir = 0;
xso->real_dev = NULL;
dev_put_track(dev, &xso->dev_tracker);
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 7217c57a76e9..6a58fec6a1fb 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -852,7 +852,8 @@ static int copy_user_offload(struct xfrm_dev_offload *xso, struct sk_buff *skb)
xuo = nla_data(attr);
memset(xuo, 0, sizeof(*xuo));
xuo->ifindex = xso->dev->ifindex;
- xuo->flags = xso->flags;
+ if (xso->dir == XFRM_DEV_OFFLOAD_IN)
+ xuo->flags = XFRM_OFFLOAD_INBOUND;
return 0;
}