Expose IPSEC modes output path to take an xfrm state as input param.
This makes it consistent with the input mode processing (which already
takes the xfrm state as a param).
Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
struct xfrm_mode {
int (*input)(struct xfrm_state *x, struct sk_buff *skb);
- int (*output)(struct sk_buff *skb);
+ int (*output)(struct xfrm_state *x,struct sk_buff *skb);
struct module *owner;
unsigned int encap;
* On exit, skb->h will be set to the start of the payload to be processed
* by x->type->output and skb->nh will be set to the top IP header.
*/
-static int xfrm4_transport_output(struct sk_buff *skb)
+static int xfrm4_transport_output(struct xfrm_state *x, struct sk_buff *skb)
{
- struct xfrm_state *x;
struct iphdr *iph;
int ihl;
ihl = iph->ihl * 4;
skb->h.raw += ihl;
- x = skb->dst->xfrm;
skb->nh.raw = memmove(skb_push(skb, x->props.header_len), iph, ihl);
return 0;
}
* On exit, skb->h will be set to the start of the payload to be processed
* by x->type->output and skb->nh will be set to the top IP header.
*/
-static int xfrm4_tunnel_output(struct sk_buff *skb)
+static int xfrm4_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
{
struct dst_entry *dst = skb->dst;
- struct xfrm_state *x = dst->xfrm;
struct iphdr *iph, *top_iph;
int flags;
if (err)
goto error;
- err = x->mode->output(skb);
+ err = x->mode->output(x, skb);
if (err)
goto error;
* its absence, that of the top IP header. The value of skb->data will always
* point to the top IP header.
*/
-static int xfrm6_ro_output(struct sk_buff *skb)
+static int xfrm6_ro_output(struct xfrm_state *x, struct sk_buff *skb)
{
- struct xfrm_state *x = skb->dst->xfrm;
struct ipv6hdr *iph;
u8 *prevhdr;
int hdr_len;
* its absence, that of the top IP header. The value of skb->data will always
* point to the top IP header.
*/
-static int xfrm6_transport_output(struct sk_buff *skb)
+static int xfrm6_transport_output(struct xfrm_state *x, struct sk_buff *skb)
{
- struct xfrm_state *x = skb->dst->xfrm;
struct ipv6hdr *iph;
u8 *prevhdr;
int hdr_len;
* its absence, that of the top IP header. The value of skb->data will always
* point to the top IP header.
*/
-static int xfrm6_tunnel_output(struct sk_buff *skb)
+static int xfrm6_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
{
struct dst_entry *dst = skb->dst;
- struct xfrm_state *x = dst->xfrm;
struct ipv6hdr *iph, *top_iph;
int dsfield;
if (err)
goto error;
- err = x->mode->output(skb);
+ err = x->mode->output(x, skb);
if (err)
goto error;