C++ (Cpp) dn_queue_skb示例

示例#1

文件： dn_nsp_in.c 项目： AlexShiLucky/linux

static void dn_nsp_data(struct sock *sk, struct sk_buff *skb)
{
	int queued = 0;
	unsigned short segnum;
	struct dn_skb_cb *cb = DN_SKB_CB(skb);
	struct dn_scp *scp = DN_SK(sk);

	if (skb->len < 2)
		goto out;

	cb->segnum = segnum = le16_to_cpu(*(__le16 *)skb->data);
	skb_pull(skb, 2);

	if (seq_next(scp->numdat_rcv, segnum)) {
		if (dn_queue_skb(sk, skb, SIGIO, &sk->sk_receive_queue) == 0) {
			seq_add(&scp->numdat_rcv, 1);
			queued = 1;
		}

		if ((scp->flowloc_sw == DN_SEND) && dn_congested(sk)) {
			scp->flowloc_sw = DN_DONTSEND;
			dn_nsp_send_link(sk, DN_DONTSEND, 0);
		}
	}

	dn_nsp_send_data_ack(sk);
out:
	if (!queued)
		kfree_skb(skb);
}

示例#2

文件： dn_nsp_in.c 项目： dmgerman/original

static void dn_nsp_data(struct sock *sk, struct sk_buff *skb)
{
	int queued = 0;
	unsigned short segnum;
	struct dn_skb_cb *cb = (struct dn_skb_cb *)skb->cb;
	struct dn_scp *scp = &sk->protinfo.dn;

	if (skb->len < 2)
		goto out;

	cb->segnum = segnum = dn_ntohs(*(__u16 *)skb->data);
	skb_pull(skb, 2);

	if (((sk->protinfo.dn.numdat_rcv + 1) & 0x0FFF) == 
                     (segnum & 0x0FFF)) {

                if (dn_queue_skb(sk, skb, SIGIO, &sk->receive_queue) == 0) {
			sk->protinfo.dn.numdat_rcv++;
                	queued = 1;
                }

		if ((scp->flowloc_sw == DN_SEND) && dn_congested(sk)) {
			scp->flowloc_sw = DN_DONTSEND;
			dn_nsp_send_lnk(sk, DN_DONTSEND);
		}
        }

	dn_nsp_send_data_ack(sk);
out:
	if (!queued)
		kfree_skb(skb);
}

示例#3

文件： dn_nsp_in.c 项目： AlexShiLucky/linux

static void dn_nsp_otherdata(struct sock *sk, struct sk_buff *skb)
{
	struct dn_scp *scp = DN_SK(sk);
	unsigned short segnum;
	struct dn_skb_cb *cb = DN_SKB_CB(skb);
	int queued = 0;

	if (skb->len < 2)
		goto out;

	cb->segnum = segnum = le16_to_cpu(*(__le16 *)skb->data);
	skb_pull(skb, 2);

	if (seq_next(scp->numoth_rcv, segnum)) {

		if (dn_queue_skb(sk, skb, SIGURG, &scp->other_receive_queue) == 0) {
			seq_add(&scp->numoth_rcv, 1);
			scp->other_report = 0;
			queued = 1;
		}
	}

	dn_nsp_send_oth_ack(sk);
out:
	if (!queued)
		kfree_skb(skb);
}

示例#4

文件： dn_nsp_in.c 项目： dmgerman/original

static void dn_nsp_otherdata(struct sock *sk, struct sk_buff *skb)
{
	struct dn_scp *scp = &sk->protinfo.dn;
	unsigned short segnum;
	struct dn_skb_cb *cb = (struct dn_skb_cb *)skb->cb;
	int queued = 0;

	if (skb->len < 2)
		goto out;

	cb->segnum = segnum = dn_ntohs(*(__u16 *)skb->data);
	skb_pull(skb, 2);

	if (((sk->protinfo.dn.numoth_rcv + 1) & 0x0fff) == (segnum & 0x0fff)) {

		if (dn_queue_skb(sk, skb, SIGURG, &scp->other_receive_queue) == 0) {
			sk->protinfo.dn.numoth_rcv++;
			scp->other_report = 0;
			queued = 1;
		}
	}

	dn_nsp_send_oth_ack(sk);
out:
	if (!queued)
		kfree_skb(skb);
}