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netdevsim: support tc-ets offload

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Extend netdevsim to accept ndo_setup_tc(TC_SETUP_QDISC_ETS) calls, so that
it's possible to run tdc on ETS offload code path.

Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Link: https://patch.msgid.link/d04086cd0204d4aaf6524e972198faa1a4e5d657.1773945414.git.dcaratti@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Davide Caratti 2026-03-19 19:40:55 +01:00 committed by Jakub Kicinski
parent 544921efd4
commit abdf5133bf
1 changed files with 22 additions and 0 deletions
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22
drivers/net/netdevsim/tc.c
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@ -2,6 +2,7 @@
#include <linux/netdevice.h>
#include <net/pkt_sched.h>
#include <net/pkt_cls.h>
#include "netdevsim.h"
@ -36,6 +37,25 @@ static int nsim_setup_tc_taprio(struct net_device *dev,
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
@ -46,6 +66,8 @@ nsim_setup_tc(struct net_device *dev, enum tc_setup_type type, void *type_data)
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,