C++ (Cpp) tcf_hash_lookup Examples

Example #1

File: act_api.c Project: AiWinters/linux

int tcf_hash_search(struct tc_action *a, u32 index)
{
	struct tcf_hashinfo *hinfo = a->ops->hinfo;
	struct tcf_common *p = tcf_hash_lookup(index, hinfo);

	if (p) {
		a->priv = p;
		return 1;
	}
	return 0;
}

Example #2

File: act_api.c Project: AiWinters/linux

u32 tcf_hash_new_index(u32 *idx_gen, struct tcf_hashinfo *hinfo)
{
	u32 val = *idx_gen;

	do {
		if (++val == 0)
			val = 1;
	} while (tcf_hash_lookup(val, hinfo));

	return (*idx_gen = val);
}

Example #3

File: act_api.c Project: AiWinters/linux

struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a, int bind,
				  struct tcf_hashinfo *hinfo)
{
	struct tcf_common *p = NULL;
	if (index && (p = tcf_hash_lookup(index, hinfo)) != NULL) {
		if (bind)
			p->tcfc_bindcnt++;
		p->tcfc_refcnt++;
		a->priv = p;
	}
	return p;
}

Example #4

static int tcf_act_police_locate(struct rtattr *rta, struct rtattr *est,
				 struct tc_action *a, int ovr, int bind)
{
	unsigned h;
	int ret = 0, err;
	struct rtattr *tb[TCA_POLICE_MAX];
	struct tc_police *parm;
	struct tcf_police *police;
	struct qdisc_rate_table *R_tab = NULL, *P_tab = NULL;
	int size;

	if (rta == NULL || rtattr_parse_nested(tb, TCA_POLICE_MAX, rta) < 0)
		return -EINVAL;

	if (tb[TCA_POLICE_TBF-1] == NULL)
		return -EINVAL;
	size = RTA_PAYLOAD(tb[TCA_POLICE_TBF-1]);
	if (size != sizeof(*parm) && size != sizeof(struct tc_police_compat))
		return -EINVAL;
	parm = RTA_DATA(tb[TCA_POLICE_TBF-1]);

	if (tb[TCA_POLICE_RESULT-1] != NULL &&
	    RTA_PAYLOAD(tb[TCA_POLICE_RESULT-1]) != sizeof(u32))
		return -EINVAL;
	if (tb[TCA_POLICE_RESULT-1] != NULL &&
	    RTA_PAYLOAD(tb[TCA_POLICE_RESULT-1]) != sizeof(u32))
		return -EINVAL;

	if (parm->index) {
		struct tcf_common *pc;

		pc = tcf_hash_lookup(parm->index, &police_hash_info);
		if (pc != NULL) {
			a->priv = pc;
			police = to_police(pc);
			if (bind) {
				police->tcf_bindcnt += 1;
				police->tcf_refcnt += 1;
			}
			if (ovr)
				goto override;
			return ret;
		}
	}

Example #5

File: act_police.c Project: NKSG/INTER_MANET_NS3

static int tcf_act_police_locate(struct nlattr *nla, struct nlattr *est,
				 struct tc_action *a, int ovr, int bind)
{
	unsigned h;
	int ret = 0, err;
	struct nlattr *tb[TCA_POLICE_MAX + 1];
	struct tc_police *parm;
	struct tcf_police *police;
	struct qdisc_rate_table *R_tab = NULL, *P_tab = NULL;
	int size;

	if (nla == NULL)
		return -EINVAL;

	err = nla_parse_nested(tb, TCA_POLICE_MAX, nla, police_policy);
	if (err < 0)
		return err;

	if (tb[TCA_POLICE_TBF] == NULL)
		return -EINVAL;
	size = nla_len(tb[TCA_POLICE_TBF]);
	if (size != sizeof(*parm) && size != sizeof(struct tc_police_compat))
		return -EINVAL;
	parm = nla_data(tb[TCA_POLICE_TBF]);

	if (parm->index) {
		struct tcf_common *pc;

		pc = tcf_hash_lookup(parm->index, &police_hash_info);
		if (pc != NULL) {
			a->priv = pc;
			police = to_police(pc);
			if (bind) {
				police->tcf_bindcnt += 1;
				police->tcf_refcnt += 1;
			}
			if (ovr)
				goto override;
			return ret;
		}
	}

Example #6

File: ipt.c Project: BackupTheBerlios/tuxap

static int
tcf_ipt_init(struct rtattr *rta, struct rtattr *est, struct tc_action *a, int ovr, int bind)
{
	struct ipt_entry_target *t;
	unsigned h;
	struct rtattr *tb[TCA_IPT_MAX];
	struct tcf_ipt *p;
	int ret = 0;
	u32 index = 0;
	u32 hook = 0;

	if (NULL == a || NULL == rta ||
	    (rtattr_parse(tb, TCA_IPT_MAX, RTA_DATA(rta), RTA_PAYLOAD(rta)) <
	     0)) {
		return -1;
	}


	if (tb[TCA_IPT_INDEX - 1]) {
		index = *(u32 *) RTA_DATA(tb[TCA_IPT_INDEX - 1]);
		DPRINTK("ipt index %d\n", index);
	}

	if (index && (p = tcf_hash_lookup(index)) != NULL) {
		a->priv = (void *) p;
		spin_lock(&p->lock);
		if (bind) {
			p->bindcnt += 1;
			p->refcnt += 1;
		}
		if (ovr) {
			goto override;
		}
		spin_unlock(&p->lock);
		return ret;
	}