Add a psample_group field to the Flow Sample Collector Set table and use it to configure the psample ofproto layer.
Signed-off-by: Adrian Moreno <[email protected]> --- vswitchd/bridge.c | 54 ++++++++++++++++++++++++++++++++++---- vswitchd/vswitch.ovsschema | 7 ++++- vswitchd/vswitch.xml | 32 +++++++++++++++++++--- 3 files changed, 83 insertions(+), 10 deletions(-) diff --git a/vswitchd/bridge.c b/vswitchd/bridge.c index 95a65fcdc..474eb1650 100644 --- a/vswitchd/bridge.c +++ b/vswitchd/bridge.c @@ -288,6 +288,7 @@ static void bridge_configure_mac_table(struct bridge *); static void bridge_configure_mcast_snooping(struct bridge *); static void bridge_configure_sflow(struct bridge *, int *sflow_bridge_number); static void bridge_configure_ipfix(struct bridge *); +static void bridge_configure_psample(struct bridge *); static void bridge_configure_spanning_tree(struct bridge *); static void bridge_configure_tables(struct bridge *); static void bridge_configure_dp_desc(struct bridge *); @@ -989,6 +990,7 @@ bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg) bridge_configure_netflow(br); bridge_configure_sflow(br, &sflow_bridge_number); bridge_configure_ipfix(br); + bridge_configure_psample(br); bridge_configure_spanning_tree(br); bridge_configure_tables(br); bridge_configure_dp_desc(br); @@ -1537,10 +1539,11 @@ ovsrec_ipfix_is_valid(const struct ovsrec_ipfix *ipfix) return ipfix && ipfix->n_targets > 0; } -/* Returns whether a Flow_Sample_Collector_Set row is valid. */ +/* Returns whether a Flow_Sample_Collector_Set row constains valid IPFIX + * configuration. */ static bool -ovsrec_fscs_is_valid(const struct ovsrec_flow_sample_collector_set *fscs, - const struct bridge *br) +ovsrec_fscs_is_valid_ipfix(const struct ovsrec_flow_sample_collector_set *fscs, + const struct bridge *br) { return ovsrec_ipfix_is_valid(fscs->ipfix) && fscs->bridge == br->cfg; } @@ -1558,7 +1561,7 @@ bridge_configure_ipfix(struct bridge *br) const char *virtual_obs_id; OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg, idl) { - if (ovsrec_fscs_is_valid(fe_cfg, br)) { + if (ovsrec_fscs_is_valid_ipfix(fe_cfg, br)) { n_fe_opts++; } } @@ -1621,7 +1624,7 @@ bridge_configure_ipfix(struct bridge *br) fe_opts = xcalloc(n_fe_opts, sizeof *fe_opts); opts = fe_opts; OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg, idl) { - if (ovsrec_fscs_is_valid(fe_cfg, br)) { + if (ovsrec_fscs_is_valid_ipfix(fe_cfg, br)) { opts->collector_set_id = fe_cfg->id; sset_init(&opts->targets); sset_add_array(&opts->targets, fe_cfg->ipfix->targets, @@ -1667,6 +1670,47 @@ bridge_configure_ipfix(struct bridge *br) } } +/* Set psample configuration on 'br'. */ +static void +bridge_configure_psample(struct bridge *br) +{ + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + const struct ovsrec_flow_sample_collector_set *fscs; + struct ofproto_psample_options *ps_options; + struct ovs_list options_list; + int ret; + + ovs_list_init(&options_list); + + OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fscs, idl) { + if (!fscs->psample_group || fscs->n_psample_group != 1 + || fscs->bridge != br->cfg) + continue; + + ps_options = xzalloc(sizeof *ps_options); + ps_options->collector_set_id = fscs->id; + ps_options->group_id = *fscs->psample_group; + + ovs_list_insert(&options_list, &ps_options->list_node); + } + + ret = ofproto_set_psample(br->ofproto, &options_list); + + if (ret == ENOTSUP) { + if (!ovs_list_is_empty(&options_list)) { + VLOG_WARN_RL(&rl, "bridge %s: ignoring psample configuration: " + "not supported by this datapath", br->name); + } + } else if (ret) { + VLOG_ERR_RL(&rl, "bridge %s: error configuring psample: %s", + br->name, ovs_strerror(ret)); + } + + LIST_FOR_EACH_POP(ps_options, list_node, &options_list) { + free(ps_options); + } +} + static void port_configure_stp(const struct ofproto *ofproto, struct port *port, struct ofproto_port_stp_settings *port_s, diff --git a/vswitchd/vswitch.ovsschema b/vswitchd/vswitch.ovsschema index e2d5e2e85..a7ad9bcaa 100644 --- a/vswitchd/vswitch.ovsschema +++ b/vswitchd/vswitch.ovsschema @@ -1,6 +1,6 @@ {"name": "Open_vSwitch", "version": "8.5.0", - "cksum": "4040946650 27557", + "cksum": "1366215760 27764", "tables": { "Open_vSwitch": { "columns": { @@ -562,6 +562,11 @@ "type": {"key": {"type": "uuid", "refTable": "IPFIX"}, "min": 0, "max": 1}}, + "psample_group": { + "type": {"key": {"type": "integer", + "minInteger": 0, + "maxInteger": 4294967295}, + "min": 0, "max": 1}}, "external_ids": { "type": {"key": "string", "value": "string", "min": 0, "max": "unlimited"}}}, diff --git a/vswitchd/vswitch.xml b/vswitchd/vswitch.xml index 8a1b607d7..ab6e6f479 100644 --- a/vswitchd/vswitch.xml +++ b/vswitchd/vswitch.xml @@ -7008,10 +7008,30 @@ ovs-vsctl add-port br0 p0 -- set Interface p0 type=patch options:peer=p1 \ <table name="Flow_Sample_Collector_Set"> <p> - A set of IPFIX collectors of packet samples generated by OpenFlow - <code>sample</code> actions. This table is used only for IPFIX - flow-based sampling, not for per-bridge sampling (see the <ref - table="IPFIX"/> table for a description of the two forms). + A set of IPFIX or Psample collectors of packet samples generated by + OpenFlow <code>sample</code> actions. + </p> + + <p> + If the column <code>ipfix</code> contains a reference to a + valid IPFIX entry, samples will be emitted via IPFIX. This mechanism + is known as flow-based IPFIX sampling, as opposed to bridge-based + sampling (see the <ref table="IPFIX"/> table for a description of the + two forms). + </p> + + <p> + If the column <code>psample_group</code> contains an integer and the + running kernel supports it, samples will be sent to the psample group + specified by <code>psample_group</code>. + + External processes can read the raw samples by joining the psample netlink + multicast group. + </p> + + <p> + Note both <code>psample_group</code> and <code>ipfix</code> can be set + simultaneously. </p> <column name="id"> @@ -7030,6 +7050,10 @@ ovs-vsctl add-port br0 p0 -- set Interface p0 type=patch options:peer=p1 \ record per sampled packet to. </column> + <column name="psample_group"> + Configuration of the psample group where the sample will be multicasted. + </column> + <group title="Common Columns"> The overall purpose of these columns is described under <code>Common Columns</code> at the beginning of this document. -- 2.44.0 _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
