Implement the flow get method for DPDK, to get the statistics of the provided ufid, towards reading statistics of fully offloaded flows.
Signed-off-by: Eli Britstein <el...@mellanox.com> Reviewed-by: Oz Shlomo <o...@mellanox.com> --- lib/netdev-offload-dpdk.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/lib/netdev-offload-dpdk.c b/lib/netdev-offload-dpdk.c index 12da62a10..e2fce2ee4 100644 --- a/lib/netdev-offload-dpdk.c +++ b/lib/netdev-offload-dpdk.c @@ -57,6 +57,7 @@ struct ufid_to_rte_flow_data { ovs_u128 ufid; struct rte_flow *rte_flow; bool actions_offloaded; + struct dpif_flow_stats stats; }; /* Find rte_flow with @ufid. */ @@ -964,9 +965,55 @@ netdev_offload_dpdk_init_flow_api(struct netdev *netdev) return netdev_dpdk_flow_api_supported(netdev) ? 0 : EOPNOTSUPP; } +static int +netdev_offload_dpdk_flow_get(struct netdev *netdev, + struct match *match OVS_UNUSED, + struct nlattr **actions OVS_UNUSED, + const ovs_u128 *ufid, + struct dpif_flow_stats *stats, + struct dpif_flow_attrs *attrs, + struct ofpbuf *buf OVS_UNUSED) +{ + struct rte_flow_query_count query = { .reset = 1 }; + struct ufid_to_rte_flow_data *rte_flow_data; + struct rte_flow_error error; + int ret = 0; + + rte_flow_data = ufid_to_rte_flow_data_find(ufid); + if (!rte_flow_data || !rte_flow_data->rte_flow) { + ret = -1; + goto out; + } + + attrs->offloaded = true; + if (!rte_flow_data->actions_offloaded) { + attrs->dp_layer = "ovs"; + memset(stats, 0, sizeof *stats); + goto out; + } + attrs->dp_layer = "dpdk"; + ret = netdev_dpdk_rte_flow_query_count(netdev, rte_flow_data->rte_flow, + &query, &error); + if (ret) { + VLOG_DBG_RL(&rl, "%s: Failed to query ufid "UUID_FMT" flow: %p\n", + netdev_get_name(netdev), UUID_ARGS((struct uuid *)ufid), + rte_flow_data->rte_flow); + goto out; + } + rte_flow_data->stats.n_packets += (query.hits_set) ? query.hits : 0; + rte_flow_data->stats.n_bytes += (query.bytes_set) ? query.bytes : 0; + if (query.hits_set && query.hits) { + rte_flow_data->stats.used = time_msec(); + } + memcpy(stats, &rte_flow_data->stats, sizeof *stats); +out: + return ret; +} + const struct netdev_flow_api netdev_offload_dpdk = { .type = "dpdk_flow_api", .flow_put = netdev_offload_dpdk_flow_put, .flow_del = netdev_offload_dpdk_flow_del, .init_flow_api = netdev_offload_dpdk_init_flow_api, + .flow_get = netdev_offload_dpdk_flow_get, }; -- 2.14.5 _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev