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net/sched: tbf: add extack to offload params

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Drivers might have error messages to propagate to user space. Propagate
the netlink extack so that they can inform user space in a verbal way of
their limitations.

Signed-off-by: David Yang <mmyangfl@gmail.com>
Link: https://patch.msgid.link/20260521010320.208138-3-mmyangfl@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
David Yang 2026-05-21 09:03:06 +08:00 committed by Jakub Kicinski
parent d8785b59c3
commit b7b1b8464b
2 changed files with 8 additions and 2 deletions
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1
include/net/pkt_cls.h
View File

@ -1046,6 +1046,7 @@ struct tc_tbf_qopt_offload_replace_params {
};
struct tc_tbf_qopt_offload {
struct netlink_ext_ack *extack;
enum tc_tbf_command command;
u32 handle;
u32 parent;

9
net/sched/sch_tbf.c
View File

@ -139,7 +139,8 @@ static u64 psched_ns_t2l(const struct psched_ratecfg *r,
return len;
}
static void tbf_offload_change(struct Qdisc *sch)
static void tbf_offload_change(struct Qdisc *sch,
struct netlink_ext_ack *extack)
{
struct tbf_sched_data *q = qdisc_priv(sch);
struct net_device *dev = qdisc_dev(sch);
@ -148,6 +149,7 @@ static void tbf_offload_change(struct Qdisc *sch)
if (!tc_can_offload(dev) || !dev->netdev_ops->ndo_setup_tc)
return;
qopt.extack = extack;
qopt.command = TC_TBF_REPLACE;
qopt.handle = sch->handle;
qopt.parent = sch->parent;
@ -166,6 +168,7 @@ static void tbf_offload_destroy(struct Qdisc *sch)
if (!tc_can_offload(dev) || !dev->netdev_ops->ndo_setup_tc)
return;
qopt.extack = NULL;
qopt.command = TC_TBF_DESTROY;
qopt.handle = sch->handle;
qopt.parent = sch->parent;
@ -176,6 +179,7 @@ static int tbf_offload_dump(struct Qdisc *sch)
{
struct tc_tbf_qopt_offload qopt;
qopt.extack = NULL;
qopt.command = TC_TBF_STATS;
qopt.handle = sch->handle;
qopt.parent = sch->parent;
@ -193,6 +197,7 @@ static void tbf_offload_graft(struct Qdisc *sch, struct Qdisc *new,
.parent = sch->parent,
.child_handle = new->handle,
.command = TC_TBF_GRAFT,
.extack = extack,
};
qdisc_offload_graft_helper(qdisc_dev(sch), sch, new, old,
@ -477,7 +482,7 @@ static int tbf_change(struct Qdisc *sch, struct nlattr *opt,
qdisc_put(old);
err = 0;
tbf_offload_change(sch);
tbf_offload_change(sch, extack);
done:
return err;
}