On Sun, Jul 5, 2020 at 7:34 AM <wenxu@xxxxxxxxx> wrote:
> +static int nf_ct_frag_reinit(struct ipq *qp)
> +{
> + unsigned int sum_truesize = 0;
> +
> + if (!mod_timer(&qp->q.timer, jiffies + qp->q.fqdir->timeout)) {
> + refcount_inc(&qp->q.refcnt);
> + return -ETIMEDOUT;
> + }
> +
> + sum_truesize = inet_frag_rbtree_purge(&qp->q.rb_fragments);
> + sub_frag_mem_limit(qp->q.fqdir, sum_truesize);
> +
> + qp->q.flags = 0;
> + qp->q.len = 0;
> + qp->q.meat = 0;
> + qp->q.rb_fragments = RB_ROOT;
> + qp->q.fragments_tail = NULL;
> + qp->q.last_run_head = NULL;
> + qp->iif = 0;
> + qp->ecn = 0;
> +
> + return 0;
> +}
> +
> +static struct ipq *ip_find(struct net *net, struct iphdr *iph,
> + u32 user, int vif)
> +{
> + struct frag_v4_compare_key key = {
> + .saddr = iph->saddr,
> + .daddr = iph->daddr,
> + .user = user,
> + .vif = vif,
> + .id = iph->id,
> + .protocol = iph->protocol,
> + };
> + struct inet_frag_queue *q;
> +
> + q = inet_frag_find(net->ipv4.fqdir, &key);
> + if (!q)
> + return NULL;
> +
> + return container_of(q, struct ipq, q);
> +}
Please avoid copy-n-paste code by finding a proper way
to reuse them.
Thanks.
