1 module vpp-classifier {
3 namespace "urn:opendaylight:params:xml:ns:yang:vpp:classifier";
4 prefix "vpp-classifier";
6 revision "2015-06-03" {
8 "Initial revision of model for VPP packet classifier.
9 The model can be used ony to implement ACLs.
10 Other classify table usages are not supported yet,
11 see https://jira.fd.io/browse/VPP-203 for details.";
13 "https://wiki.fd.io/view/VPP/Introduction_To_N-tuple_Classifiers";
16 import ietf-yang-types {
20 typedef classify-table-ref {
22 path "/vpp-classifier:vpp-classifier/classify-table/name";
25 "This type is used by data models that need to reference
26 configured classify tables.";
29 typedef packet-handling-action {
32 // by VPP convention, first neighbour node (at index 0) is a drop node
36 value -1; // indicates that the next node not set
41 typedef vpp-node-name {
47 type packet-handling-action;
51 "Defines VPP node reference using packet handling action or relative node name
52 (if definition in terms of packet handling action is not possible).";
55 typedef opaque-index {
61 "Defines opaque-index type - metadata that can be attached to session-hit packets.
62 Vpp nodes can't be referenced by index, because node indexes might change after vpp restart.";
65 grouping classify-session-attributes {
67 "Defines classify session attributes that are mapped to classify_add_del_session
68 and classify_session_details messages parameters.";
74 "Vpp node to which packet will be send when it produces a match.";
83 "Nodes like ip4/6-classify use the parameter to \"consume\" networking layer.
84 Example: tunnel decapsulation.";
88 grouping classify-table-base-attributes {
90 "Defines classify table attributes that are mapped to classify_add_del_table message parameters.";
92 leaf classifier-node {
95 "Name of VPP node the table is defined for.";
101 "Used by classifier hashing algorithm. It is not possible to resize the bucket array,
102 therefore suggested value is approximate number of expected entries.";
104 leaf skip_n_vectors {
108 "Number of 16 byte vectors to be skipped before applying mask.";
111 type classify-table-ref;
113 "Reference to the next classify table. Required when multiple table chaining is used.";
119 "Vpp node to which packet will be send when it falis to produce a match";
122 type yang:hex-string;
125 "Defines match mask (multiple of 16 bytes)";
128 list classify-session {
132 type yang:hex-string;
134 "Defines actual value to be matched that is
135 a byte vector, which length is multiple of 16 bytes";
137 must "string-length(match) = string-length(../../mask)" {
139 "Match length is not equal to classify table mask length.";
141 "Match length must be equal to classify table mask length.";
145 uses classify-session-attributes;
149 grouping classify-table-config-attributes {
151 "Defines classify table config only attributes (present in classify_add_del_table message
152 but not in classify_table_info_reply).";
154 // FIXME move to classify-table-base-attributes
155 // after https://jira.fd.io/browse/VPP-208 is fixed
160 "Memory size for classify table and its entries.";
164 grouping classify-table-operational-attributes {
166 "Defines classify table operational attributes (present in classify_table_info_reply message
167 but not in classify_add_del_table).";
169 leaf active_sessions {
173 "Number of sessions defined for the classify table.";
177 container vpp-classifier {
178 list classify-table {
184 "Hides classify table identifier managed by vpp.";
187 uses classify-table-base-attributes;
188 uses classify-table-config-attributes;
192 container vpp-classifier-state {
195 list classify-table {
201 "Hides classify table identifier managed by vpp.";
204 uses classify-table-base-attributes;
205 uses classify-table-operational-attributes;