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C++ TC_H_MAKE函数代码示例

本文整理汇总了C++中TC_H_MAKE函数的典型用法代码示例。如果您正苦于以下问题：C++ TC_H_MAKE函数的具体用法？C++ TC_H_MAKE怎么用？C++ TC_H_MAKE使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了TC_H_MAKE函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: show_dev_tc_bpf

static int show_dev_tc_bpf(int sock, unsigned int nl_pid,
			   struct ip_devname_ifindex *dev)
{
	struct bpf_filter_t filter_info;
	struct bpf_tcinfo_t tcinfo;
	int i, handle, ret = 0;

	tcinfo.handle_array = NULL;
	tcinfo.used_len = 0;
	tcinfo.array_len = 0;

	tcinfo.is_qdisc = false;
	ret = libbpf_nl_get_class(sock, nl_pid, dev->ifindex,
				  dump_class_qdisc_nlmsg, &tcinfo);
	if (ret)
		goto out;

	tcinfo.is_qdisc = true;
	ret = libbpf_nl_get_qdisc(sock, nl_pid, dev->ifindex,
				  dump_class_qdisc_nlmsg, &tcinfo);
	if (ret)
		goto out;

	filter_info.devname = dev->devname;
	filter_info.ifindex = dev->ifindex;
	for (i = 0; i < tcinfo.used_len; i++) {
		filter_info.kind = tcinfo.handle_array[i].kind;
		ret = libbpf_nl_get_filter(sock, nl_pid, dev->ifindex,
					   tcinfo.handle_array[i].handle,
					   dump_filter_nlmsg, &filter_info);
		if (ret)
			goto out;
	}

	/* root, ingress and egress handle */
	handle = TC_H_ROOT;
	filter_info.kind = "root";
	ret = libbpf_nl_get_filter(sock, nl_pid, dev->ifindex, handle,
				   dump_filter_nlmsg, &filter_info);
	if (ret)
		goto out;

	handle = TC_H_MAKE(TC_H_CLSACT, TC_H_MIN_INGRESS);
	filter_info.kind = "clsact/ingress";
	ret = libbpf_nl_get_filter(sock, nl_pid, dev->ifindex, handle,
				   dump_filter_nlmsg, &filter_info);
	if (ret)
		goto out;

	handle = TC_H_MAKE(TC_H_CLSACT, TC_H_MIN_EGRESS);
	filter_info.kind = "clsact/egress";
	ret = libbpf_nl_get_filter(sock, nl_pid, dev->ifindex, handle,
				   dump_filter_nlmsg, &filter_info);
	if (ret)
		goto out;

out:
	free(tcinfo.handle_array);
	return 0;
}
开发者ID:markus-oberhumer，项目名称:linux，代码行数:60，代码来源:net.c

示例2: qdisc_create_dflt

static struct Qdisc *tbf_create_dflt_qdisc(struct Qdisc *sch, u32 limit)
{
	struct Qdisc *q;
        struct rtattr *rta;
	int ret;

	q = qdisc_create_dflt(sch->dev, &bfifo_qdisc_ops,
			      TC_H_MAKE(sch->handle, 1));
	if (q) {
		rta = kmalloc(RTA_LENGTH(sizeof(struct tc_fifo_qopt)), GFP_KERNEL);
		if (rta) {
			rta->rta_type = RTM_NEWQDISC;
			rta->rta_len = RTA_LENGTH(sizeof(struct tc_fifo_qopt)); 
			((struct tc_fifo_qopt *)RTA_DATA(rta))->limit = limit;

			ret = q->ops->change(q, rta);
			kfree(rta);

			if (ret == 0)
				return q;
		}
		qdisc_destroy(q);
	}

	return NULL;
}
开发者ID:xiandaicxsj，项目名称:copyKvm，代码行数:26，代码来源:sch_tbf.c

示例3: mq_init

static int mq_init(struct Qdisc *sch, struct nlattr *opt)
{
	struct net_device *dev = qdisc_dev(sch);
	struct mq_sched *priv = qdisc_priv(sch);
	struct netdev_queue *dev_queue;
	struct Qdisc *qdisc;
	unsigned int ntx;

	if (sch->parent != TC_H_ROOT)
		return -EOPNOTSUPP;

	if (!netif_is_multiqueue(dev))
		return -EOPNOTSUPP;

	/* pre-allocate qdiscs, attachment can't fail */
	priv->qdiscs = kcalloc(dev->num_tx_queues, sizeof(priv->qdiscs[0]),
			       GFP_KERNEL);
	if (!priv->qdiscs)
		return -ENOMEM;

	for (ntx = 0; ntx < dev->num_tx_queues; ntx++) {
		dev_queue = netdev_get_tx_queue(dev, ntx);
		qdisc = qdisc_create_dflt(dev_queue, get_default_qdisc_ops(dev, ntx),
					  TC_H_MAKE(TC_H_MAJ(sch->handle),
						    TC_H_MIN(ntx + 1)));
		if (!qdisc)
			return -ENOMEM;
		priv->qdiscs[ntx] = qdisc;
		qdisc->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT;
	}

	sch->flags |= TCQ_F_MQROOT;
	return 0;
}
开发者ID:mkrufky，项目名称:linux，代码行数:34，代码来源:sch_mq.c

示例4: cls_loop

int cls_loop(struct __sk_buff *skb)
{
	printt("cb: %u\n", skb->cb[0]++);
	tail_call(skb, &jmp_tc, 0);

	skb->tc_classid = TC_H_MAKE(1, 42);
	return TC_ACT_OK;
}
开发者ID:mikedlowis-prototypes，项目名称:albase，代码行数:8，代码来源:bpf_cyclic.c

示例5: tcf_auto_prio

static __inline__ u32 tcf_auto_prio(struct tcf_proto *tp)
{
	u32 first = TC_H_MAKE(0xC0000000U,0U);

	if (tp)
		first = tp->prio-1;

	return first;
}
开发者ID:gnensis，项目名称:linux-2.6.15，代码行数:9，代码来源:cls_api.c

示例6: prio_tune

static int prio_tune(struct Qdisc *sch, struct nlattr *opt,
		     struct netlink_ext_ack *extack)
{
	struct prio_sched_data *q = qdisc_priv(sch);
	struct Qdisc *queues[TCQ_PRIO_BANDS];
	int oldbands = q->bands, i;
	struct tc_prio_qopt *qopt;

	if (nla_len(opt) < sizeof(*qopt))
		return -EINVAL;
	qopt = nla_data(opt);

	if (qopt->bands > TCQ_PRIO_BANDS || qopt->bands < 2)
		return -EINVAL;

	for (i = 0; i <= TC_PRIO_MAX; i++) {
		if (qopt->priomap[i] >= qopt->bands)
			return -EINVAL;
	}

	/* Before commit, make sure we can allocate all new qdiscs */
	for (i = oldbands; i < qopt->bands; i++) {
		queues[i] = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops,
					      TC_H_MAKE(sch->handle, i + 1),
					      extack);
		if (!queues[i]) {
			while (i > oldbands)
				qdisc_put(queues[--i]);
			return -ENOMEM;
		}
	}

	prio_offload(sch, qopt);
	sch_tree_lock(sch);
	q->bands = qopt->bands;
	memcpy(q->prio2band, qopt->priomap, TC_PRIO_MAX+1);

	for (i = q->bands; i < oldbands; i++) {
		struct Qdisc *child = q->queues[i];

		qdisc_tree_reduce_backlog(child, child->q.qlen,
					  child->qstats.backlog);
	}

	for (i = oldbands; i < q->bands; i++) {
		q->queues[i] = queues[i];
		if (q->queues[i] != &noop_qdisc)
			qdisc_hash_add(q->queues[i], true);
	}

	sch_tree_unlock(sch);

	for (i = q->bands; i < oldbands; i++)
		qdisc_put(q->queues[i]);
	return 0;
}
开发者ID:AlexShiLucky，项目名称:linux，代码行数:56，代码来源:sch_prio.c

示例7: multiq_tune

static int multiq_tune(struct Qdisc *sch, struct nlattr *opt,
		       struct netlink_ext_ack *extack)
{
	struct multiq_sched_data *q = qdisc_priv(sch);
	struct tc_multiq_qopt *qopt;
	int i;

	if (!netif_is_multiqueue(qdisc_dev(sch)))
		return -EOPNOTSUPP;
	if (nla_len(opt) < sizeof(*qopt))
		return -EINVAL;

	qopt = nla_data(opt);

	qopt->bands = qdisc_dev(sch)->real_num_tx_queues;

	sch_tree_lock(sch);
	q->bands = qopt->bands;
	for (i = q->bands; i < q->max_bands; i++) {
		if (q->queues[i] != &noop_qdisc) {
			struct Qdisc *child = q->queues[i];
			q->queues[i] = &noop_qdisc;
			qdisc_tree_reduce_backlog(child, child->q.qlen,
						  child->qstats.backlog);
			qdisc_put(child);
		}
	}

	sch_tree_unlock(sch);

	for (i = 0; i < q->bands; i++) {
		if (q->queues[i] == &noop_qdisc) {
			struct Qdisc *child, *old;
			child = qdisc_create_dflt(sch->dev_queue,
						  &pfifo_qdisc_ops,
						  TC_H_MAKE(sch->handle,
							    i + 1), extack);
			if (child) {
				sch_tree_lock(sch);
				old = q->queues[i];
				q->queues[i] = child;
				if (child != &noop_qdisc)
					qdisc_hash_add(child, true);

				if (old != &noop_qdisc) {
					qdisc_tree_reduce_backlog(old,
								  old->q.qlen,
								  old->qstats.backlog);
					qdisc_put(old);
				}
				sch_tree_unlock(sch);
			}
		}
	}
	return 0;
}
开发者ID:AlexShiLucky，项目名称:linux，代码行数:56，代码来源:sch_multiq.c

示例8: CLASSIFY_string_to_priority

static int CLASSIFY_string_to_priority(const char *s, unsigned int *p)
{
	unsigned int i, j;

	if (sscanf(s, "%x:%x", &i, &j) != 2)
		return 1;
	
	*p = TC_H_MAKE(i<<16, j);
	return 0;
}
开发者ID:inibir，项目名称:daemongroup，代码行数:10，代码来源:libxt_CLASSIFY.c

示例9: prio_tune

static int prio_tune(struct Qdisc *sch, struct nlattr *opt)
{
	struct prio_sched_data *q = qdisc_priv(sch);
	struct tc_prio_qopt *qopt;
	int i;

	if (nla_len(opt) < sizeof(*qopt))
		return -EINVAL;
	qopt = nla_data(opt);

	if (qopt->bands > TCQ_PRIO_BANDS || qopt->bands < 2)
		return -EINVAL;

	for (i = 0; i <= TC_PRIO_MAX; i++) {
		if (qopt->priomap[i] >= qopt->bands)
			return -EINVAL;
	}

	sch_tree_lock(sch);
	q->bands = qopt->bands;
	memcpy(q->prio2band, qopt->priomap, TC_PRIO_MAX+1);

	for (i = q->bands; i < TCQ_PRIO_BANDS; i++) {
		struct Qdisc *child = q->queues[i];
		q->queues[i] = &noop_qdisc;
		if (child != &noop_qdisc) {
			qdisc_tree_decrease_qlen(child, child->q.qlen);
			qdisc_destroy(child);
		}
	}
	sch_tree_unlock(sch);

	for (i = 0; i < q->bands; i++) {
		if (q->queues[i] == &noop_qdisc) {
			struct Qdisc *child, *old;

			child = qdisc_create_dflt(sch->dev_queue,
						  &pfifo_qdisc_ops,
						  TC_H_MAKE(sch->handle, i + 1));
			if (child) {
				sch_tree_lock(sch);
				old = q->queues[i];
				q->queues[i] = child;

				if (old != &noop_qdisc) {
					qdisc_tree_decrease_qlen(old,
								 old->q.qlen);
					qdisc_destroy(old);
				}
				sch_tree_unlock(sch);
			}
		}
	}
	return 0;
}
开发者ID:rochecr，项目名称:linux，代码行数:55，代码来源:sch_prio.c

示例10: multiq_tune

static int multiq_tune(struct Qdisc *sch, struct nlattr *opt)
{
	struct multiq_sched_data *q = qdisc_priv(sch);
	struct tc_multiq_qopt *qopt;
	int i;

	if (!netif_is_multiqueue(qdisc_dev(sch)))
		return -EOPNOTSUPP;
	if (nla_len(opt) < sizeof(*qopt))
		return -EINVAL;

	qopt = nla_data(opt);

	qopt->bands = qdisc_dev(sch)->real_num_tx_queues;

	sch_tree_lock(sch);
	q->bands = qopt->bands;
	for (i = q->bands; i < q->max_bands; i++) {
		if (q->queues[i] != &noop_qdisc) {
			struct Qdisc *child = q->queues[i];
			q->queues[i] = &noop_qdisc;
			qdisc_tree_decrease_qlen(child, child->q.qlen);
			qdisc_destroy(child);
		}
	}

	sch_tree_unlock(sch);

	for (i = 0; i < q->bands; i++) {
		if (q->queues[i] == &noop_qdisc) {
			struct Qdisc *child, *old;
			child = qdisc_create_dflt(qdisc_dev(sch),
						  sch->dev_queue,
						  &pfifo_qdisc_ops,
						  TC_H_MAKE(sch->handle,
							    i + 1));
			if (child) {
				sch_tree_lock(sch);
				old = q->queues[i];
				q->queues[i] = child;

				if (old != &noop_qdisc) {
					qdisc_tree_decrease_qlen(old,
								 old->q.qlen);
					qdisc_destroy(old);
				}
				sch_tree_unlock(sch);
			}
		}
	}
	return 0;
}
开发者ID:KaZoom，项目名称:buildroot-linux-kernel-m3，代码行数:52，代码来源:sch_multiq.c

示例11: TC_H_MAKE

TError TNlCgFilter::Create(const TNlLink &link) {
    TError error = TError::Success();
    struct nl_msg *msg;
    int ret;
	struct tcmsg tchdr;

    tchdr.tcm_family = AF_UNSPEC;
    tchdr.tcm_ifindex = link.GetIndex();
    tchdr.tcm_handle = Handle;
    tchdr.tcm_parent = Parent;
	tchdr.tcm_info = TC_H_MAKE(FilterPrio << 16, htons(ETH_P_ALL));

	msg = nlmsg_alloc_simple(RTM_NEWTFILTER, NLM_F_EXCL|NLM_F_CREATE);
	if (!msg)
        return TError(EError::Unknown, "Unable to add filter: no memory");

    ret = nlmsg_append(msg, &tchdr, sizeof(tchdr), NLMSG_ALIGNTO);
    if (ret < 0) {
        error = TError(EError::Unknown, std::string("Unable to add filter: ") + nl_geterror(ret));
		goto free_msg;
    }

    ret = nla_put(msg, TCA_KIND, strlen(FilterType) + 1, FilterType);
    if (ret < 0) {
        error = TError(EError::Unknown, std::string("Unable to add filter: ") + nl_geterror(ret));
		goto free_msg;
    }

    ret = nla_put(msg, TCA_OPTIONS, 0, NULL);
    if (ret < 0) {
        error = TError(EError::Unknown, std::string("Unable to add filter: ") + nl_geterror(ret));
		goto free_msg;
    }

    L() << "netlink " << link.GetDesc()
        << ": add tfilter id 0x" << std::hex << Handle
        << " parent 0x" << Parent << std::dec  << std::endl;

    ret = nl_send_sync(link.GetSock(), msg);
    if (ret)
        error = TError(EError::Unknown, std::string("Unable to add filter: ") + nl_geterror(ret));

    if (!Exists(link))
        error = TError(EError::Unknown, "BUG: created filter doesn't exist");

    return error;

free_msg:
    nlmsg_free(msg);

    return error;
}
开发者ID:direvius，项目名称:porto，代码行数:52，代码来源:netlink.cpp

示例12: cls_build

static int cls_build(struct rtnl_cls *cls, int type, int flags,
		     struct nl_msg **result)
{
	int err, prio, proto;
	struct tcmsg *tchdr;

	err = rtnl_tc_msg_build(TC_CAST(cls), type, flags, result);
	if (err < 0)
		return err;

	tchdr = nlmsg_data(nlmsg_hdr(*result));
	prio = rtnl_cls_get_prio(cls);
	proto = rtnl_cls_get_protocol(cls);
	tchdr->tcm_info = TC_H_MAKE(prio << 16, htons(proto));

	return 0;
}
开发者ID:Elfuser，项目名称:NetFPGA-10G，代码行数:17，代码来源:cls.c

示例13: cls_build

static int cls_build(struct rtnl_cls *cls, int type, int flags,
		     struct nl_msg **result)
{
	int err, prio, proto;
	struct tcmsg *tchdr;
	uint32_t required = TCA_ATTR_IFINDEX;

	if ((cls->ce_mask & required) != required) {
		APPBUG("ifindex must be specified");
		return -NLE_MISSING_ATTR;
	}

	err = rtnl_tc_msg_build(TC_CAST(cls), type, flags, result);
	if (err < 0)
		return err;

	tchdr = nlmsg_data(nlmsg_hdr(*result));
	prio = rtnl_cls_get_prio(cls);
	proto = rtnl_cls_get_protocol(cls);
	tchdr->tcm_info = TC_H_MAKE(prio << 16, htons(proto));

	return 0;
}
开发者ID:Distrotech，项目名称:libnl，代码行数:23，代码来源:cls.c

示例14: install_tbf


//.........这里部分代码省略.........
		struct tc_u32_key key;
	} sel = {
		.sel.nkeys = 1,
		.sel.flags = TC_U32_TERMINAL,
//		.key.off = 12,
	};

	struct tc_police police = {
		.action = TC_POLICE_SHOT,
		.rate.rate = rate,
		.rate.mpu = conf_mpu,
		.limit = (double)rate * conf_latency + burst,
		.burst = tc_calc_xmittime(rate, burst),
	};

	if (tc_qdisc_modify(rth, ifindex, RTM_NEWQDISC, NLM_F_EXCL|NLM_F_CREATE, &opt1))
		return -1;

	if (tc_calc_rtable(&police.rate, rtab, Rcell_log, mtu, linklayer) < 0) {
		log_ppp_error("shaper: failed to calculate ceil rate table.\n");
		return -1;
	}

	memset(&req, 0, sizeof(req));

	req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcmsg));
	req.n.nlmsg_flags = NLM_F_REQUEST|NLM_F_EXCL|NLM_F_CREATE;
	req.n.nlmsg_type = RTM_NEWTFILTER;
	req.t.tcm_family = AF_UNSPEC;
	req.t.tcm_ifindex = ifindex;
	req.t.tcm_handle = 1;
	req.t.tcm_parent = 0xffff0000;

	req.t.tcm_info = TC_H_MAKE(100 << 16, ntohs(ETH_P_ALL));

	addattr_l(&req.n, sizeof(req), TCA_KIND, "u32", 4);

	tail = NLMSG_TAIL(&req.n);
	addattr_l(&req.n, MAX_MSG, TCA_OPTIONS, NULL, 0);

	tail1 = NLMSG_TAIL(&req.n);
	addattr_l(&req.n, MAX_MSG, TCA_U32_ACT, NULL, 0);

	tail2 = NLMSG_TAIL(&req.n);
	addattr_l(&req.n, MAX_MSG, 1, NULL, 0);
	addattr_l(&req.n, MAX_MSG, TCA_ACT_KIND, "police", 7);

	tail3 = NLMSG_TAIL(&req.n);
	addattr_l(&req.n, MAX_MSG, TCA_ACT_OPTIONS, NULL, 0);
	addattr_l(&req.n, MAX_MSG, TCA_POLICE_TBF, &police, sizeof(police));
	addattr_l(&req.n, MAX_MSG, TCA_POLICE_RATE, rtab, 1024);
	tail3->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)tail3;

	tail2->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)tail2;

	tail1->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)tail1;

	addattr_l(&req.n, MAX_MSG, TCA_U32_CLASSID, &flowid, 4);
	addattr_l(&req.n, MAX_MSG, TCA_U32_SEL, &sel, sizeof(sel));
	tail->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)tail;

	if (rtnl_talk(rth, &req.n, 0, 0, NULL, NULL, NULL, 0) < 0)
		return -1;

	return 0;
}
开发者ID:themiron，项目名称:accel-ppp，代码行数:67，代码来源:limiter.c

示例15: fifo_dump

static int fifo_dump(struct Qdisc *sch, struct sk_buff *skb)
{
	struct tc_fifo_qopt opt = { .limit = sch->limit };

	if (nla_put(skb, TCA_OPTIONS, sizeof(opt), &opt))
		goto nla_put_failure;
	return skb->len;

nla_put_failure:
	return -1;
}

struct Qdisc_ops pfifo_qdisc_ops __read_mostly = {
	.id		=	"pfifo",
	.priv_size	=	0,
	.enqueue	=	pfifo_enqueue,
	.dequeue	=	qdisc_dequeue_head,
	.peek		=	qdisc_peek_head,
	.init		=	fifo_init,
	.reset		=	qdisc_reset_queue,
	.change		=	fifo_init,
	.dump		=	fifo_dump,
	.owner		=	THIS_MODULE,
};
EXPORT_SYMBOL(pfifo_qdisc_ops);

struct Qdisc_ops bfifo_qdisc_ops __read_mostly = {
	.id		=	"bfifo",
	.priv_size	=	0,
	.enqueue	=	bfifo_enqueue,
	.dequeue	=	qdisc_dequeue_head,
	.peek		=	qdisc_peek_head,
	.init		=	fifo_init,
	.reset		=	qdisc_reset_queue,
	.change		=	fifo_init,
	.dump		=	fifo_dump,
	.owner		=	THIS_MODULE,
};
EXPORT_SYMBOL(bfifo_qdisc_ops);

struct Qdisc_ops pfifo_head_drop_qdisc_ops __read_mostly = {
	.id		=	"pfifo_head_drop",
	.priv_size	=	0,
	.enqueue	=	pfifo_tail_enqueue,
	.dequeue	=	qdisc_dequeue_head,
	.peek		=	qdisc_peek_head,
	.init		=	fifo_init,
	.reset		=	qdisc_reset_queue,
	.change		=	fifo_init,
	.dump		=	fifo_dump,
	.owner		=	THIS_MODULE,
};

/* Pass size change message down to embedded FIFO */
int fifo_set_limit(struct Qdisc *q, unsigned int limit)
{
	struct nlattr *nla;
	int ret = -ENOMEM;

	/* Hack to avoid sending change message to non-FIFO */
	if (strncmp(q->ops->id + 1, "fifo", 4) != 0)
		return 0;

	nla = kmalloc(nla_attr_size(sizeof(struct tc_fifo_qopt)), GFP_KERNEL);
	if (nla) {
		nla->nla_type = RTM_NEWQDISC;
		nla->nla_len = nla_attr_size(sizeof(struct tc_fifo_qopt));
		((struct tc_fifo_qopt *)nla_data(nla))->limit = limit;

		ret = q->ops->change(q, nla);
		kfree(nla);
	}
	return ret;
}
EXPORT_SYMBOL(fifo_set_limit);

struct Qdisc *fifo_create_dflt(struct Qdisc *sch, struct Qdisc_ops *ops,
			       unsigned int limit)
{
	struct Qdisc *q;
	int err = -ENOMEM;

	q = qdisc_create_dflt(sch->dev_queue, ops, TC_H_MAKE(sch->handle, 1));
	if (q) {
		err = fifo_set_limit(q, limit);
		if (err < 0) {
			qdisc_destroy(q);
			q = NULL;
		}
	}

	return q ? : ERR_PTR(err);
}
EXPORT_SYMBOL(fifo_create_dflt);
开发者ID:AshishNamdev，项目名称:linux，代码行数:94，代码来源:sch_fifo.c


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