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// SPDX-License-Identifier: GPL-2.0
#include <linux/netdevice.h>
#include <net/pkt_sched.h>
#include <net/pkt_cls.h>
#include "netdevsim.h"
static int
nsim_setup_tc_block_cb(enum tc_setup_type type, void *type_data, void *cb_priv)
{
return nsim_bpf_setup_tc_block_cb(type, type_data, cb_priv);
}
static void nsim_taprio_stats(struct tc_taprio_qopt_stats *stats)
{
stats->window_drops = 0;
stats->tx_overruns = 0;
}
static int nsim_setup_tc_taprio(struct net_device *dev,
struct tc_taprio_qopt_offload *offload)
{
int err = 0;
switch (offload->cmd) {
case TAPRIO_CMD_REPLACE:
case TAPRIO_CMD_DESTROY:
break;
case TAPRIO_CMD_STATS:
nsim_taprio_stats(&offload->stats);
break;
default:
err = -EOPNOTSUPP;
}
return err;
}
static int nsim_setup_tc_ets(struct net_device *dev,
struct tc_ets_qopt_offload *offload)
{
int err = 0;
switch (offload->command) {
case TC_ETS_REPLACE:
case TC_ETS_DESTROY:
break;
case TC_ETS_STATS:
_bstats_update(offload->stats.bstats, 0, 0);
break;
default:
err = -EOPNOTSUPP;
}
return err;
}
static LIST_HEAD(nsim_block_cb_list);
int
nsim_setup_tc(struct net_device *dev, enum tc_setup_type type, void *type_data)
{
struct netdevsim *ns = netdev_priv(dev);
switch (type) {
case TC_SETUP_QDISC_TAPRIO:
return nsim_setup_tc_taprio(dev, type_data);
case TC_SETUP_QDISC_ETS:
return nsim_setup_tc_ets(dev, type_data);
case TC_SETUP_BLOCK:
return flow_block_cb_setup_simple(type_data,
&nsim_block_cb_list,
nsim_setup_tc_block_cb,
ns, ns, true);
default:
return -EOPNOTSUPP;
}
}
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