BIER

- see draft-ietf-bier-mpls-encapsulation-10
- midpoint, head and tail functions
- supported payload protocols; IPv4 and IPv6 only.

Change-Id: I59d7363bb6fdfdce8e4016a68a9c8f5a5e5791cb
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 267 insertions, 0 deletions

diff --git a/test/vpp_bier.py b/test/vpp_bier.py
new file mode 100644
index 00000000000..58c4f7248da
--- /dev/null
+++ b/test/vpp_bier.py
@@ -0,0 +1,267 @@
+"""
+  BIER Tables and Routes
+"""
+
+import socket
+from vpp_object import VppObject
+
+
+class BIER_HDR_PAYLOAD:
+    BIER_HDR_PROTO_MPLS_DOWN_STREAM = 1
+    BIER_HDR_PROTO_MPLS_UP_STREAM = 2
+    BIER_HDR_PROTO_ETHERNET = 3
+    BIER_HDR_PROTO_IPV4 = 4
+    BIER_HDR_PROTO_IPV6 = 5
+    BIER_HDR_PROTO_VXLAN = 6
+    BIER_HDR_PROTO_CTRL = 7
+    BIER_HDR_PROTO_OAM = 8
+
+
+class VppBierTableID():
+    def __init__(self, set_id, sub_domain_id, hdr_len_id):
+        self.set_id = set_id
+        self.sub_domain_id = sub_domain_id
+        self.hdr_len_id = hdr_len_id
+
+
+def find_bier_table(test, bti):
+    tables = test.vapi.bier_table_dump()
+    for t in tables:
+        if bti.set_id == t.bt_tbl_id.bt_set \
+           and bti.sub_domain_id == t.bt_tbl_id.bt_sub_domain \
+           and bti.hdr_len_id == t.bt_tbl_id.bt_hdr_len_id:
+            return True
+    return False
+
+
+def find_bier_route(test, bti, bp):
+    routes = test.vapi.bier_route_dump(bti)
+    for r in routes:
+        if bti.set_id == r.br_tbl_id.bt_set \
+           and bti.sub_domain_id == r.br_tbl_id.bt_sub_domain \
+           and bti.hdr_len_id == r.br_tbl_id.bt_hdr_len_id \
+           and bp == r.br_bp:
+            return True
+    return False
+
+
+def find_bier_disp_table(test, bdti):
+    tables = test.vapi.bier_disp_table_dump()
+    for t in tables:
+        if bdti == t.bdt_tbl_id:
+            return True
+    return False
+
+
+def find_bier_disp_entry(test, bdti, bp):
+    entries = test.vapi.bier_disp_entry_dump(bdti)
+    for e in entries:
+        if bp == e.bde_bp \
+           and bdti == e.bde_tbl_id:
+            return True
+    return False
+
+
+def find_bier_imp(test, bti, bp):
+    imps = test.vapi.bier_imp_dump()
+    for i in imps:
+        if bti.set_id == i.bi_tbl_id.bt_set \
+           and bti.sub_domain_id == i.bi_tbl_id.bt_sub_domain \
+           and bti.hdr_len_id == i.bi_tbl_id.bt_hdr_len_id \
+           and bp == i.bi_src:
+            return True
+    return False
+
+
+class VppBierTable(VppObject):
+    """
+    BIER Table
+    """
+
+    def __init__(self, test, id, mpls_label):
+        self._test = test
+        self.id = id
+        self.mpls_label = mpls_label
+
+    def add_vpp_config(self):
+        self._test.vapi.bier_table_add_del(
+            self.id,
+            self.mpls_label,
+            is_add=1)
+        self._test.registry.register(self, self._test.logger)
+
+    def remove_vpp_config(self):
+        self._test.vapi.bier_table_add_del(
+            self.id,
+            self.mpls_label,
+            is_add=0)
+
+    def __str__(self):
+        return self.object_id()
+
+    def object_id(self):
+        return "bier-table;[%d:%d:%d]" % (self.id.set_id,
+                                          self.id.sub_domain_id,
+                                          self.id.hdr_len_id)
+
+    def query_vpp_config(self):
+        return find_bier_table(self._test, self.id)
+
+
+class VppBierRoute(VppObject):
+    """
+    BIER route
+    """
+
+    def __init__(self, test, tbl_id, bp, nh, out_label,
+                 disp_table=0):
+        self._test = test
+        self.tbl_id = tbl_id
+        self.out_label = out_label
+        self.bp = bp
+        self.disp_table = disp_table
+        self.nh = socket.inet_pton(socket.AF_INET, nh)
+
+    def add_vpp_config(self):
+        self._test.vapi.bier_route_add_del(
+            self.tbl_id,
+            self.bp,
+            self.nh,
+            self.out_label,
+            self.disp_table,
+            is_add=1)
+        self._test.registry.register(self, self._test.logger)
+
+    def remove_vpp_config(self):
+        self._test.vapi.bier_route_add_del(
+            self.tbl_id,
+            self.bp,
+            self.nh,
+            self.out_label,
+            self.disp_table,
+            is_add=0)
+
+    def __str__(self):
+        return self.object_id()
+
+    def object_id(self):
+        return "bier-route;[%d:%d:%d:%d]" % (self.tbl_id.set_id,
+                                             self.tbl_id.sub_domain_id,
+                                             self.tbl_id.hdr_len_id,
+                                             self.bp)
+
+    def query_vpp_config(self):
+        return find_bier_route(self._test, self.tbl_id, self.bp)
+
+
+class VppBierImp(VppObject):
+    """
+    BIER route
+    """
+
+    def __init__(self, test, tbl_id, src, ibytes):
+        self._test = test
+        self.tbl_id = tbl_id
+        self.ibytes = ibytes
+        self.src = src
+
+    def add_vpp_config(self):
+        res = self._test.vapi.bier_imp_add(
+            self.tbl_id,
+            self.src,
+            self.ibytes)
+        self.bi_index = res.bi_index
+        self._test.registry.register(self, self._test.logger)
+
+    def remove_vpp_config(self):
+        self._test.vapi.bier_imp_del(
+            self.bi_index)
+
+    def __str__(self):
+        return self.object_id()
+
+    def object_id(self):
+        return "bier-imp;[%d:%d:%d:%d]" % (self.tbl_id.set_id,
+                                           self.tbl_id.sub_domain_id,
+                                           self.tbl_id.hdr_len_id,
+                                           self.src)
+
+    def query_vpp_config(self):
+        return find_bier_imp(self._test, self.tbl_id, self.src)
+
+
+class VppBierDispTable(VppObject):
+    """
+    BIER Disposition Table
+    """
+
+    def __init__(self, test, id):
+        self._test = test
+        self.id = id
+
+    def add_vpp_config(self):
+        self._test.vapi.bier_disp_table_add_del(
+            self.id,
+            is_add=1)
+        self._test.registry.register(self, self._test.logger)
+
+    def remove_vpp_config(self):
+        self._test.vapi.bier_disp_table_add_del(
+            self.id,
+            is_add=0)
+
+    def __str__(self):
+        return self.object_id()
+
+    def object_id(self):
+        return "bier-disp-table;[%d]" % (self.id)
+
+    def query_vpp_config(self):
+        return find_bier_disp_table(self._test, self.id)
+
+
+class VppBierDispEntry(VppObject):
+    """
+    BIER Disposition Entry
+    """
+
+    def __init__(self, test, tbl_id, bp, payload_proto, nh, nh_tbl,
+                 rpf_id=~0):
+        self._test = test
+        self.tbl_id = tbl_id
+        self.nh_tbl = nh_tbl
+        self.bp = bp
+        self.payload_proto = payload_proto
+        self.rpf_id = rpf_id
+        self.nh = socket.inet_pton(socket.AF_INET, nh)
+
+    def add_vpp_config(self):
+        self._test.vapi.bier_disp_entry_add_del(
+            self.tbl_id,
+            self.bp,
+            self.payload_proto,
+            self.nh,
+            self.nh_tbl,
+            self.rpf_id,
+            is_add=1)
+        self._test.registry.register(self, self._test.logger)
+
+    def remove_vpp_config(self):
+        self._test.vapi.bier_disp_entry_add_del(
+            self.tbl_id,
+            self.bp,
+            self.payload_proto,
+            self.nh,
+            self.nh_tbl,
+            self.rpf_id,
+            is_add=0)
+
+    def __str__(self):
+        return self.object_id()
+
+    def object_id(self):
+        return "bier-disp-entry;[%d:%d]" % (self.tbl_id,
+                                            self.bp)
+
+    def query_vpp_config(self):
+        return find_bier_disp_entry(self._test, self.tbl_id, self.bp)