static int qdisc_request_update(struct nl_cache *c, struct nl_sock *sk)
{
struct tcmsg tchdr = {
.tcm_family = AF_UNSPEC,
.tcm_ifindex = c->c_iarg1,
};
return nl_send_simple(sk, RTM_GETQDISC, NLM_F_DUMP, &tchdr,
sizeof(tchdr));
}
/**
* @name QDisc Addition
* @{
*/
static int qdisc_build(struct rtnl_qdisc *qdisc, int type, int flags,
struct nl_msg **result)
{
return rtnl_tc_msg_build(TC_CAST(qdisc), type, flags, result);
#if 0
/* Some qdiscs don't accept properly nested messages (e.g. netem). To
* accomodate for this, they can complete the message themselves.
*/
else if (qops && qops->qo_build_msg) {
err = qops->qo_build_msg(qdisc, *result);
if (err < 0)
goto errout;
}
#endif
}
static int build_qdisc_msg(struct rtnl_qdisc *qdisc, int type, int flags,
struct nl_msg **result)
{
if (!(qdisc->ce_mask & TCA_ATTR_IFINDEX)) {
APPBUG("ifindex must be specified");
return -NLE_MISSING_ATTR;
}
return rtnl_tc_msg_build(TC_CAST(qdisc), type, flags, result);
}
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;
}
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;
}