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abdf5133bf
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>
80 lines
1.6 KiB
C
80 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/netdevice.h>
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#include <net/pkt_sched.h>
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#include <net/pkt_cls.h>
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#include "netdevsim.h"
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static int
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nsim_setup_tc_block_cb(enum tc_setup_type type, void *type_data, void *cb_priv)
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{
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return nsim_bpf_setup_tc_block_cb(type, type_data, cb_priv);
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}
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static void nsim_taprio_stats(struct tc_taprio_qopt_stats *stats)
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{
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stats->window_drops = 0;
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stats->tx_overruns = 0;
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}
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static int nsim_setup_tc_taprio(struct net_device *dev,
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struct tc_taprio_qopt_offload *offload)
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{
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int err = 0;
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switch (offload->cmd) {
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case TAPRIO_CMD_REPLACE:
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case TAPRIO_CMD_DESTROY:
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break;
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case TAPRIO_CMD_STATS:
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nsim_taprio_stats(&offload->stats);
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break;
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default:
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err = -EOPNOTSUPP;
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}
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return err;
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}
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static int nsim_setup_tc_ets(struct net_device *dev,
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struct tc_ets_qopt_offload *offload)
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{
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int err = 0;
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switch (offload->command) {
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case TC_ETS_REPLACE:
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case TC_ETS_DESTROY:
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break;
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case TC_ETS_STATS:
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_bstats_update(offload->stats.bstats, 0, 0);
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break;
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default:
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err = -EOPNOTSUPP;
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}
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return err;
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}
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static LIST_HEAD(nsim_block_cb_list);
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int
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nsim_setup_tc(struct net_device *dev, enum tc_setup_type type, void *type_data)
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{
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struct netdevsim *ns = netdev_priv(dev);
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switch (type) {
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case TC_SETUP_QDISC_TAPRIO:
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return nsim_setup_tc_taprio(dev, type_data);
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case TC_SETUP_QDISC_ETS:
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return nsim_setup_tc_ets(dev, type_data);
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case TC_SETUP_BLOCK:
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return flow_block_cb_setup_simple(type_data,
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&nsim_block_cb_list,
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nsim_setup_tc_block_cb,
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ns, ns, true);
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default:
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return -EOPNOTSUPP;
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}
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}
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