jamal writes:
> 3 of 4 ..
> [XFRM] Introduce standalone SAD lookup
> This allows other in-kernel functions to do SAD lookups.
> The only known user at the moment is pktgen.
>
> Signed-off-by: Jamal Hadi Salim <[EMAIL PROTECTED]>
xfrm is not my area.....
Acked-by: Robert Olsson <[EMAIL PROTECTED]>
Cheers
--ro
>
> diff --git a/include/net/xfrm.h b/include/net/xfrm.h
> index 311f25a..79d2c37 100644
> --- a/include/net/xfrm.h
> +++ b/include/net/xfrm.h
> @@ -920,6 +920,10 @@ extern struct xfrm_state
> *xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t
> struct flowi *fl, struct xfrm_tmpl
> *tmpl,
> struct xfrm_policy *pol, int *err,
> unsigned short family);
> +extern struct xfrm_state * xfrm_stateonly_find(xfrm_address_t *daddr,
> + xfrm_address_t *saddr,
> + unsigned short family,
> + u8 mode, u8 proto, u32 reqid);
> extern int xfrm_state_check_expire(struct xfrm_state *x);
> extern void xfrm_state_insert(struct xfrm_state *x);
> extern int xfrm_state_add(struct xfrm_state *x);
> diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
> index 85f3f43..b8562e4 100644
> --- a/net/xfrm/xfrm_state.c
> +++ b/net/xfrm/xfrm_state.c
> @@ -686,6 +686,41 @@ out:
> return x;
> }
>
> +struct xfrm_state *
> +xfrm_stateonly_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
> + unsigned short family, u8 mode, u8 proto, u32 reqid)
> +{
> + unsigned int h = xfrm_dst_hash(daddr, saddr, reqid, family);
> + struct xfrm_state *rx = NULL, *x = NULL;
> + struct hlist_node *entry;
> +
> + spin_lock(&xfrm_state_lock);
> + hlist_for_each_entry(x, entry, xfrm_state_bydst+h, bydst) {
> + if (x->props.family == family &&
> + x->props.reqid == reqid &&
> + !(x->props.flags & XFRM_STATE_WILDRECV) &&
> + xfrm_state_addr_check(x, daddr, saddr, family) &&
> + mode == x->props.mode &&
> + proto == x->id.proto) {
> +
> + if (x->km.state != XFRM_STATE_VALID)
> + continue;
> + else {
> + rx = x;
> + break;
> + }
> + }
> + }
> +
> + if (rx)
> + xfrm_state_hold(rx);
> + spin_unlock(&xfrm_state_lock);
> +
> +
> + return rx;
> +}
> +EXPORT_SYMBOL(xfrm_stateonly_find);
> +
> static void __xfrm_state_insert(struct xfrm_state *x)
> {
> unsigned int h;
-
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