net: sch: sch_cbs: add extack support
This patch adds extack support for the cbs qdisc implementation by adding NL_SET_ERR_MSG in validation of user input. Also it serves to illustrate a use case of how the infrastructure ops api changes are to be used by individual qdiscs. Cc: David Ahern <dsahern@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Родитель
62a6de62dc
Коммит
710fb39689
|
@ -219,14 +219,17 @@ static void cbs_disable_offload(struct net_device *dev,
|
|||
}
|
||||
|
||||
static int cbs_enable_offload(struct net_device *dev, struct cbs_sched_data *q,
|
||||
const struct tc_cbs_qopt *opt)
|
||||
const struct tc_cbs_qopt *opt,
|
||||
struct netlink_ext_ack *extack)
|
||||
{
|
||||
const struct net_device_ops *ops = dev->netdev_ops;
|
||||
struct tc_cbs_qopt_offload cbs = { };
|
||||
int err;
|
||||
|
||||
if (!ops->ndo_setup_tc)
|
||||
if (!ops->ndo_setup_tc) {
|
||||
NL_SET_ERR_MSG(extack, "Specified device does not support cbs offload");
|
||||
return -EOPNOTSUPP;
|
||||
}
|
||||
|
||||
cbs.queue = q->queue;
|
||||
|
||||
|
@ -237,8 +240,10 @@ static int cbs_enable_offload(struct net_device *dev, struct cbs_sched_data *q,
|
|||
cbs.sendslope = opt->sendslope;
|
||||
|
||||
err = ops->ndo_setup_tc(dev, TC_SETUP_QDISC_CBS, &cbs);
|
||||
if (err < 0)
|
||||
if (err < 0) {
|
||||
NL_SET_ERR_MSG(extack, "Specified device failed to setup cbs hardware offload");
|
||||
return err;
|
||||
}
|
||||
|
||||
q->enqueue = cbs_enqueue_offload;
|
||||
q->dequeue = cbs_dequeue_offload;
|
||||
|
@ -255,12 +260,14 @@ static int cbs_change(struct Qdisc *sch, struct nlattr *opt,
|
|||
struct tc_cbs_qopt *qopt;
|
||||
int err;
|
||||
|
||||
err = nla_parse_nested(tb, TCA_CBS_MAX, opt, cbs_policy, NULL);
|
||||
err = nla_parse_nested(tb, TCA_CBS_MAX, opt, cbs_policy, extack);
|
||||
if (err < 0)
|
||||
return err;
|
||||
|
||||
if (!tb[TCA_CBS_PARMS])
|
||||
if (!tb[TCA_CBS_PARMS]) {
|
||||
NL_SET_ERR_MSG(extack, "Missing CBS parameter which are mandatory");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
qopt = nla_data(tb[TCA_CBS_PARMS]);
|
||||
|
||||
|
@ -277,7 +284,7 @@ static int cbs_change(struct Qdisc *sch, struct nlattr *opt,
|
|||
|
||||
cbs_disable_offload(dev, q);
|
||||
} else {
|
||||
err = cbs_enable_offload(dev, q, qopt);
|
||||
err = cbs_enable_offload(dev, q, qopt, extack);
|
||||
if (err < 0)
|
||||
return err;
|
||||
}
|
||||
|
@ -298,8 +305,10 @@ static int cbs_init(struct Qdisc *sch, struct nlattr *opt,
|
|||
struct cbs_sched_data *q = qdisc_priv(sch);
|
||||
struct net_device *dev = qdisc_dev(sch);
|
||||
|
||||
if (!opt)
|
||||
if (!opt) {
|
||||
NL_SET_ERR_MSG(extack, "Missing CBS qdisc options which are mandatory");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
q->queue = sch->dev_queue - netdev_get_tx_queue(dev, 0);
|
||||
|
||||
|
|
Загрузка…
Ссылка в новой задаче