22 static void __xfrm_transport_prep(struct xfrm_state *x, struct sk_buff *skb,  in __xfrm_transport_prep()  argument
28 	pskb_pull(skb, skb->mac_len + hsize + x->props.header_len);  in __xfrm_transport_prep()
32 		skb->transport_header -= x->props.header_len;  in __xfrm_transport_prep()
36 static void __xfrm_mode_tunnel_prep(struct xfrm_state *x, struct sk_buff *skb,  in __xfrm_mode_tunnel_prep()  argument
46 	pskb_pull(skb, skb->mac_len + x->props.header_len);  in __xfrm_mode_tunnel_prep()
50 static void xfrm_outer_mode_prep(struct xfrm_state *x, struct sk_buff *skb)  in xfrm_outer_mode_prep()  argument
52 	switch (x->outer_mode.encap) {  in xfrm_outer_mode_prep()
54 		if (x->outer_mode.family == AF_INET)  in xfrm_outer_mode_prep()
55 			return __xfrm_mode_tunnel_prep(x, skb,  in xfrm_outer_mode_prep()
57 		if (x->outer_mode.family == AF_INET6)  in xfrm_outer_mode_prep()
58 			return __xfrm_mode_tunnel_prep(x, skb,  in xfrm_outer_mode_prep()
62 		if (x->outer_mode.family == AF_INET)  in xfrm_outer_mode_prep()
63 			return __xfrm_transport_prep(x, skb,  in xfrm_outer_mode_prep()
65 		if (x->outer_mode.family == AF_INET6)  in xfrm_outer_mode_prep()
66 			return __xfrm_transport_prep(x, skb,  in xfrm_outer_mode_prep()
80 	struct xfrm_state *x;  in validate_xmit_xfrm()  local
94 	x = sp->xvec[sp->len - 1];  in validate_xmit_xfrm()
95 	if (xo->flags & XFRM_GRO || x->xso.flags & XFRM_OFFLOAD_INBOUND)  in validate_xmit_xfrm()
111 		if (unlikely(x->xso.dev != dev)) {  in validate_xmit_xfrm()
132 		xfrm_outer_mode_prep(x, skb);  in validate_xmit_xfrm()
136 		err = x->type_offload->xmit(x, skb, esp_features);  in validate_xmit_xfrm()
141 			XFRM_INC_STATS(xs_net(x), LINUX_MIB_XFRMOUTSTATEPROTOERROR);  in validate_xmit_xfrm()
162 		xfrm_outer_mode_prep(x, skb2);  in validate_xmit_xfrm()
164 		err = x->type_offload->xmit(x, skb2, esp_features);  in validate_xmit_xfrm()
168 			XFRM_INC_STATS(xs_net(x), LINUX_MIB_XFRMOUTSTATEPROTOERROR);  in validate_xmit_xfrm()
192 int xfrm_dev_state_add(struct net *net, struct xfrm_state *x,  in xfrm_dev_state_add()  argument
198 	struct xfrm_state_offload *xso = &x->xso;  in xfrm_dev_state_add()
202 	if (!x->type_offload)  in xfrm_dev_state_add()
206 	if (x->encap || x->tfcpad)  in xfrm_dev_state_add()
212 			saddr = &x->props.saddr;  in xfrm_dev_state_add()
213 			daddr = &x->id.daddr;  in xfrm_dev_state_add()
215 			saddr = &x->id.daddr;  in xfrm_dev_state_add()
216 			daddr = &x->props.saddr;  in xfrm_dev_state_add()
220 					x->props.family,  in xfrm_dev_state_add()
221 					xfrm_smark_get(0, x));  in xfrm_dev_state_add()
237 	if (x->props.flags & XFRM_STATE_ESN &&  in xfrm_dev_state_add()
248 	err = dev->xfrmdev_ops->xdo_dev_state_add(x);  in xfrm_dev_state_add()
263 bool xfrm_dev_offload_ok(struct sk_buff *skb, struct xfrm_state *x)  in xfrm_dev_offload_ok()  argument
268 	struct net_device *dev = x->xso.dev;  in xfrm_dev_offload_ok()
270 	if (!x->type_offload || x->encap)  in xfrm_dev_offload_ok()
275 		mtu = xfrm_state_mtu(x, xdst->child_mtu_cached);  in xfrm_dev_offload_ok()
287 		return x->xso.dev->xfrmdev_ops->xdo_dev_offload_ok(skb, x);  in xfrm_dev_offload_ok()