xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

xfrm: Make the policy hold queue work with VTI.

Browse Source 
We forgot to support the xfrm policy hold queue when
VTI was implemented. This patch adds everything we
need so that we can use the policy hold queue together
with VTI interfaces.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Steffen Klassert
2020-07-17 10:35:32 +02:00
parent 96a2082950
commit b328ecc468
3 changed files with 21 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
net/xfrm/xfrm_policy.c
View File

@@ -2758,6 +2758,7 @@ static void xfrm_policy_queue_process(struct timer_list *t)
struct xfrm_policy_queue *pq = &pol->polq;
struct flowi fl;
struct sk_buff_head list;
__u32 skb_mark;
spin_lock(&pq->hold_queue.lock);
skb = skb_peek(&pq->hold_queue);
@@ -2767,7 +2768,12 @@ static void xfrm_policy_queue_process(struct timer_list *t)
}
dst = skb_dst(skb);
sk = skb->sk;
/* Fixup the mark to support VTI. */
skb_mark = skb->mark;
skb->mark = pol->mark.v;
xfrm_decode_session(skb, &fl, dst->ops->family);
skb->mark = skb_mark;
spin_unlock(&pq->hold_queue.lock);
dst_hold(xfrm_dst_path(dst));
@@ -2799,7 +2805,12 @@ static void xfrm_policy_queue_process(struct timer_list *t)
while (!skb_queue_empty(&list)) {
skb = __skb_dequeue(&list);
/* Fixup the mark to support VTI. */
skb_mark = skb->mark;
skb->mark = pol->mark.v;
xfrm_decode_session(skb, &fl, skb_dst(skb)->ops->family);
skb->mark = skb_mark;
dst_hold(xfrm_dst_path(skb_dst(skb)));
dst = xfrm_lookup(net, xfrm_dst_path(skb_dst(skb)), &fl, skb->sk, 0);
if (IS_ERR(dst)) {