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Code Issues Releases Wiki Activity

dpif-netlink: Offloading meter to tc police action

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OVS meters are created in advance and openflow rules refer to them by
their unique ID. New tc_police API is used to offload them. By calling
the API, police actions are created and meters are mapped to them.
These actions then can be used in tc filter rules by the index.

Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
This commit is contained in:
Jianbo Liu
2022-07-08 03:06:29 +00:00
committed by Simon Horman
parent 218304df18
commit 5660b89a30
3 changed files with 126 additions and 5 deletions
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31
lib/dpif-netlink.c
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@@ -4163,11 +4163,18 @@ static int
dpif_netlink_meter_set(struct dpif *dpif_, ofproto_meter_id meter_id,
struct ofputil_meter_config *config)
{
int err;
if (probe_broken_meters(dpif_)) {
return ENOMEM;
}
return dpif_netlink_meter_set__(dpif_, meter_id, config);
err = dpif_netlink_meter_set__(dpif_, meter_id, config);
if (!err && netdev_is_flow_api_enabled()) {
meter_offload_set(meter_id, config);
}
return err;
}
/* Retrieve statistics and/or delete meter 'meter_id'. Statistics are
@@ -4258,16 +4265,30 @@ static int
dpif_netlink_meter_get(const struct dpif *dpif, ofproto_meter_id meter_id,
struct ofputil_meter_stats *stats, uint16_t max_bands)
{
return dpif_netlink_meter_get_stats(dpif, meter_id, stats, max_bands,
OVS_METER_CMD_GET);
int err;
err = dpif_netlink_meter_get_stats(dpif, meter_id, stats, max_bands,
OVS_METER_CMD_GET);
if (!err && netdev_is_flow_api_enabled()) {
meter_offload_get(meter_id, stats);
}
return err;
}
static int
dpif_netlink_meter_del(struct dpif *dpif, ofproto_meter_id meter_id,
struct ofputil_meter_stats *stats, uint16_t max_bands)
{
return dpif_netlink_meter_get_stats(dpif, meter_id, stats, max_bands,
OVS_METER_CMD_DEL);
int err;
err = dpif_netlink_meter_get_stats(dpif, meter_id, stats,
max_bands, OVS_METER_CMD_DEL);
if (!err && netdev_is_flow_api_enabled()) {
meter_offload_del(meter_id, stats);
}
return err;
}
static bool