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Diffstat (limited to 'net/xfrm/xfrm_device.c')
-rw-r--r--net/xfrm/xfrm_device.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index d2819baea414..c7a1f080d2de 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -155,7 +155,8 @@ struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t featur
return skb;
}
- if (skb_is_gso(skb) && unlikely(xmit_xfrm_check_overflow(skb))) {
+ if (skb_is_gso(skb) && (unlikely(x->xso.dev != dev) ||
+ unlikely(xmit_xfrm_check_overflow(skb)))) {
struct sk_buff *segs;
/* Packet got rerouted, fixup features and segment it. */
@@ -415,10 +416,12 @@ bool xfrm_dev_offload_ok(struct sk_buff *skb, struct xfrm_state *x)
struct net_device *dev = x->xso.dev;
bool check_tunnel_size;
- if (x->xso.type == XFRM_DEV_OFFLOAD_UNSPECIFIED)
+ if (!x->type_offload ||
+ (x->xso.type == XFRM_DEV_OFFLOAD_UNSPECIFIED && x->encap))
return false;
- if ((dev == xfrm_dst_path(dst)->dev) && !xdst->child->xfrm) {
+ if ((!dev || dev == xfrm_dst_path(dst)->dev) &&
+ !xdst->child->xfrm) {
mtu = xfrm_state_mtu(x, xdst->child_mtu_cached);
if (skb->len <= mtu)
goto ok;
@@ -430,6 +433,9 @@ bool xfrm_dev_offload_ok(struct sk_buff *skb, struct xfrm_state *x)
return false;
ok:
+ if (!dev)
+ return true;
+
check_tunnel_size = x->xso.type == XFRM_DEV_OFFLOAD_PACKET &&
x->props.mode == XFRM_MODE_TUNNEL;
switch (x->props.family) {