/*
* Copyright (c) 2016-2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __included_fifo_segment_h__
#define __included_fifo_segment_h__
#include <svm/ssvm.h>
#include <svm/fifo_types.h>
#include <svm/svm_fifo.h>
typedef enum
{
FIFO_SEGMENT_FTYPE_NONE = -1,
FIFO_SEGMENT_RX_FIFO = 0,
FIFO_SEGMENT_TX_FIFO,
FIFO_SEGMENT_N_FTYPES
} fifo_segment_ftype_t;
#define FIFO_SEGMENT_MIN_LOG2_FIFO_SIZE 12 /**< 4kB min fifo size */
#define FIFO_SEGMENT_MIN_FIFO_SIZE 4096 /**< 4kB min fifo size */
#define FIFO_SEGMENT_MAX_FIFO_SIZE (2 << 30) /**< 2GB max fifo size */
#define FIFO_SEGMENT_ALLOC_BATCH_SIZE 32 /* Allocation quantum */
typedef enum fifo_segment_flags_
{
FIFO_SEGMENT_F_IS_PREALLOCATED = 1 << 0,
FIFO_SEGMENT_F_WILL_DELETE = 1 << 1,
FIFO_SEGMENT_F_MEM_LIMIT = 1 << 2,
} fifo_segment_flags_t;
#define foreach_segment_mem_status \
_(NO_PRESSURE, "No pressure") \
_(LOW_PRESSURE, "Low pressure") \
_(HIGH_PRESSURE, "High pressure") \
_(NO_MEMORY, "No memory")
typedef enum
{
#define _(sym,str) MEMORY_PRESSURE_##sym,
foreach_segment_mem_status
#undef _
MEMORY_N_PRESSURE,
} fifo_segment_mem_status_t;
#if 0
typedef enum fifo_segment_mem_status_
{
MEMORY_PRESSURE_NO_PRESSURE,
MEMORY_PRESSURE_LOW_PRESSURE,
MEMORY_PRESSURE_HIGH_PRESSURE,
MEMORY_PRESSURE_NO_MEMORY,
} fifo_segment_mem_status_t;
#endif
typedef struct
{
ssvm_private_t ssvm; /**< ssvm segment data */
fifo_segment_header_t *h; /**< fifo segment data */
u8 n_slices; /**< number of fifo segment slices */
} fifo_segment_t;
typedef struct
{
fifo_segment_t *segments; /**< pool of fifo segments */
uword next_baseva; /**< Where to put the next one */
u32 timeout_in_seconds; /**< Time to wait during attach */
} fifo_segment_main_t;
typedef struct
{
ssvm_segment_type_t segment_type; /**< type of segment requested */
u32 segment_size; /**< size of the segment */
int memfd_fd; /**< fd for memfd segments */
char *segment_name; /**< segment name */
u32 *new_segment_indices; /**< return vec of new seg indices */
} fifo_segment_create_args_t;
#define fifo_segment_flags(_fs) _fs->h->flags
int fifo_segment_init (fifo_segment_t * fs);
int fifo_segment_create (fifo_segment_main_t * sm,
fifo_segment_create_args_t * a);
int fifo_segment_attach (fifo_segment_main_t * sm,
fifo_segment_create_args_t * a);
void fifo_segment_delete (fifo_segment_main_t * sm, fifo_segment_t * fs);
fifo_segment_t *fifo_segment_get_segment (fifo_segment_main_t * sm,
u32 fs_index);
u32 fifo_segment_index (fifo_segment_main_t * sm, fifo_segment_t * fs);
void fifo_segment_info (fifo_segment_t * seg, char **address, size_t * size);
/**
* Allocate fifo in fifo segment
*
* @param fs fifo segment for fifo
* @param data_bytes size of default fifo chunk in bytes
* @param ftype fifo type @ref fifo_segment_ftype_t
* @return new fifo or 0 if alloc failed
*/
svm_fifo_t *fifo_segment_alloc_fifo_w_slice (fifo_segment_t * fs,
u32 slice_index,
u32 data_bytes,
fifo_segment_ftype_t ftype);
/**
* Free fifo allocated in fifo segment
*
* @param fs fifo segment for fifo
* @param f fifo to be freed
*/
void fifo_segment_free_fifo (fifo_segment_t * fs, svm_fifo_t * f);
/**
* Try to preallocate fifo headers
*
* Tries to preallocate fifo headers and adds them to freelist.
*
* @param fs fifo segment
* @param batch_size number of chunks to be allocated
* @return 0 on success, negative number otherwise
*/
int fifo_segment_prealloc_fifo_hdrs (fifo_segment_t * fs, u32 slice_index,
u32 batch_size);
/**
* Try to preallocate fifo chunks on segment
*
* Tries to preallocate chunks of requested size on segment and adds them
* to chunk freelist.
*
* @param fs fifo segment
* @param chunk_size size of chunks to be allocated in bytes
* @param batch_size number of chunks to be allocated
* @return 0 on success, negative number otherwise
*/
int fifo_segment_prealloc_fifo_chunks (fifo_segment_t * fs, u32 slice_index,
u32 chunk_size, u32 batch_size);
/**
* Pre-allocates fifo pairs in fifo segment
*
* The number of fifos pre-allocated is the minimum of the requested number
* of pairs and the maximum number that fit within the segment. If the maximum
* is hit, the number of fifo pairs requested is updated by subtracting the
* number of fifos that have been successfully allocated.
*
* @param """
IP Routes
object abstractions for representing IP routes in VPP
"""
from vpp_object import VppObject
from socket import inet_pton, inet_ntop, AF_INET, AF_INET6
from vpp_ip import DpoProto, INVALID_INDEX, VppIpAddressUnion, \
VppIpMPrefix
from ipaddress import ip_network, ip_address, IPv4Network, IPv6Network
# from vnet/vnet/mpls/mpls_types.h
MPLS_IETF_MAX_LABEL = 0xfffff
MPLS_LABEL_INVALID = MPLS_IETF_MAX_LABEL + 1
try:
text_type = unicode
except NameError:
text_type = str
class FibPathProto:
FIB_PATH_NH_PROTO_IP4 = 0
FIB_PATH_NH_PROTO_IP6 = 1
FIB_PATH_NH_PROTO_MPLS = 2
FIB_PATH_NH_PROTO_ETHERNET = 3
FIB_PATH_NH_PROTO_BIER = 4
FIB_PATH_NH_PROTO_NSH = 5
class FibPathType:
FIB_PATH_TYPE_NORMAL = 0
FIB_PATH_TYPE_LOCAL = 1
FIB_PATH_TYPE_DROP = 2
FIB_PATH_TYPE_UDP_ENCAP = 3
FIB_PATH_TYPE_BIER_IMP = 4
FIB_PATH_TYPE_ICMP_UNREACH = 5
FIB_PATH_TYPE_ICMP_PROHIBIT = 6
FIB_PATH_TYPE_SOURCE_LOOKUP = 7
FIB_PATH_TYPE_DVR = 8
FIB_PATH_TYPE_INTERFACE_RX = 9
FIB_PATH_TYPE_CLASSIFY = 10
class FibPathFlags:
FIB_PATH_FLAG_NONE = 0
FIB_PATH_FLAG_RESOLVE_VIA_ATTACHED = 1
FIB_PATH_FLAG_RESOLVE_VIA_HOST = 2
FIB_PATH_FLAG_POP_PW_CW = 4
class MplsLspMode:
PIPE = 0
UNIFORM = 1
def mk_network(addr, len):
if ip_address(text_type(addr)).version == 4:
return IPv4Network("%s/%d" % (addr, len), strict=False)
else:
return IPv6Network("%s/%d" % (addr, len), strict=False)
def ip_to_dpo_proto(addr):
if addr.version == 6:
return DpoProto.DPO_PROTO_IP6
else:
return DpoProto.DPO_PROTO_IP4
def address_proto(ip_addr):
if ip_addr.ip_addr.version == 4:
return FibPathProto.FIB_PATH_NH_PROTO_IP4
else:
return FibPathProto.FIB_PATH_NH_PROTO_IP6
def find_route(test, addr, len, table_id=0, sw_if_index=None):
prefix = mk_network(addr, len)
if 4 == prefix.version:
routes = test.vapi.ip_route_dump(table_id, False)
else:
routes = test.vapi.ip_route_dump(table_id, True)
for e in routes:
if table_id == e.route.table_id \
and str(e.route.prefix) == str(prefix):
if not sw_if_index:
return True
else:
# should be only one path if the user is looking
# for the interface the route is reachable through
if e.route.n_paths != 1:
return False
else:
return (e.route.paths[0].sw_if_index == sw_if_index)
return False
def find_route_in_dump(dump, route, table):
for r in dump:
if table.table_id == r.route.table_id \
and route.prefix == r.route.prefix:
if len(route.paths) == r.route.n_paths:
return True
return False
def find_mroute_in_dump(dump, route, table):
for r in dump:
if table.table_id == r.route.table_id \
and route.prefix == r.route.prefix:
return True
return False
def find_mroute(test, grp_addr, src_addr, grp_addr_len,
table_id=0):
ip_mprefix = VppIpMPrefix(text_type(src_addr),
text_type(grp_addr),
grp_addr_len)
if 4 == ip_mprefix.version:
routes = test.vapi.ip_mroute_dump(table_id, False)
else:
routes = test.vapi.ip_mroute_dump(table_id, True)
for e in routes:
if table_id == e.route.table_id and ip_mprefix == e.route.prefix:
return True
return False
def find_mpls_route(test, table_id, label, eos_bit, paths=None):
dump = test.vapi.mpls_route_dump(table_id)
for e in dump:
if label == e.mr_route.mr_label \
and eos_bit == e.mr_route.mr_eos \
and table_id == e.mr_route.mr_table_id:
if not paths:
return True
else:
if (len(paths) != len(e.mr_route.mr_paths)):
return False
for i in range(len(paths)):
if (paths[i] != e.mr_route.mr_paths[i]):
return False
return True
return False
def fib_interface_ip_prefix(test, addr, len, sw_if_index):
# can't use python net here since we need the host bits in the prefix
prefix = "%s/%d" % (addr, len)
addrs = test.vapi.ip_address_dump(
sw_if_index,
is_ipv6=(6 == ip_address(addr).version))
for a in addrs:
if a.sw_if_index == sw_if_index and \
str(a.prefix) == prefix:
return True
return False
class VppIpTable(VppObject):
def __init__(self,
test,
table_id,
is_ip6=0,
register=True):
self._test = test
self.table_id = table_id
self.is_ip6 = is_ip6
self.register = register
def add_vpp_config(self):
self._test.vapi.ip_table_add_del(is_add=1,
table={'is_ip6': self.is_ip6,
'table_id': self.table_id})
if self.register:
self._test.registry.register(self, self._test.logger)
return self
def remove_vpp_config(self):
self._test.vapi.ip_table_add_del(is_add=0,
table={'is_ip6': self.is_ip6,
'table_id': self.table_id})
def replace_begin(self):
self._test.vapi.ip_table_replace_begin(
table={'is_ip6': self.is_ip6,
'table_id': self.table_id})
def replace_end(self):
self._test.vapi.ip_table_replace_end(
table={'is_ip6': self.is_ip6,
'table_id': self.table_id})
def flush(self):
self._test.vapi.ip_table_flush(table={'is_ip6': self.is_ip6,
'table_id': self.table_id})
def dump(self):
return self._test.vapi.ip_route_dump(self.table_id, self.is_ip6)
def mdump(self):
return self._test.vapi.ip_mroute_dump(self.table_id, self.is_ip6)
def query_vpp_config(self):
if self.table_id == 0:
# the default table always exists
return False
# find the default route
return find_route(self._test,
"::" if self.is_ip6 else "0.0.0.0",
0,
self.table_id)
def object_id(self):
return ("table-%s-%d" %
("v6" if self.is_ip6 == 1 else "v4",
self.table_id))
class VppIpInterfaceAddress(VppObject):
def __init__(self, test, intf, addr, len, bind=None):
self._test = test
self.intf = intf
self.addr = addr
self.len = len
self.prefix = "%s/%d" % (addr, len)
self.host_len = ip_network(self.prefix, strict=False).max_prefixlen
self.table_id = 0
if bind:
self.table_id = bind.table.table_id
def add_vpp_config(self):
self._test.vapi.sw_interface_add_del_address(
sw_if_index=self.intf.sw_if_index, prefix=self.prefix,
is_add=1)
self._test.registry.register(self, self._test.logger)
return self
def remove_vpp_config(self):
self._test.vapi.sw_interface_add_del_address(
sw_if_index=self.intf.sw_if_index, prefix=self.prefix,
is_add=0)
def query_vpp_config(self):
# search for the IP address mapping and the two expected
# FIB entries
v = ip_address(self.addr).version
if ((v == 4 and self.len < 31) or (v == 6 and self.len < 127)):
return (fib_interface_ip_prefix(self._test,
self.addr,
self.len,
self.intf.sw_if_index) &
find_route(self._test,
self.addr,
self.len,
table_id=self.table_id,
sw_if_index=self.intf.sw_if_index) &
find_route(self._test,
self.addr,
self.host_len,
table_id=self.table_id,
sw_if_index=self.intf.sw_if_index))
else:
return (fib_interface_ip_prefix(self._test,
self.addr,
self.len,
self.intf.sw_if_index) &
find_route(self._test,
self.addr,
self.host_len,
table_id=self.table_id,
sw_if_index=self.intf.sw_if_index))
def object_id(self):
return "interface-ip-%s-%d-%s" % (self.intf,
self.table_id,
self.prefix)
class VppIp6LinkLocalAddress(VppObject):
def __init__(self, test, intf, addr):
self._test = test
self.intf = intf
self.addr = addr
def add_vpp_config(self):
self._test.vapi.sw_interface_ip6_set_link_local_address(
sw_if_index=self.intf.sw_if_index, ip=self.addr)
self._test.registry.register(self, self._test.logger)
return self
def remove_vpp_config(self):
# link locals can't be removed, only changed
pass
def query_vpp_config(self):
# no API to query
return False
def object_id(self):
return "ip6-link-local-%s-%s" % (self.intf, self.addr)
class VppIpInterfaceBind(VppObject):
def __init__(self, test, intf, table):
self._test = test
self.intf = intf
self.table = table
def add_vpp_config(self):
if self.table.is_ip6:
self.intf.set_table_ip6(self.table.table_id)
else:
self.intf.set_table_ip4(self.table.table_id)
self._test.registry.register(self, self._test.logger)
return self
def remove_vpp_config(self):
if 0 == self.table.table_id:
return
if self.table.is_ip6:
self.intf.set_table_ip6(0)
else:
self.intf.set_table_ip4(0)
def query_vpp_config(self):
if 0 == self.table.table_id:
return False
return self._test.vapi.sw_interface_get_table(
self.intf.sw_if_index,
self.table.is_ip6).vrf_id == self.table.table_id
def object_id(self):
return "interface-bind-%s-%s" % (self.intf, self.table)
class VppMplsLabel:
def __init__(self, value, mode=MplsLspMode.PIPE, ttl=64, exp=0):
self.value = value
self.mode = mode
self.ttl = ttl
self.exp = exp
def encode(self):
is_uniform = 0 if self.mode is MplsLspMode.PIPE else 1
return {'label': self.value,
'ttl': self.ttl,
'exp': self.exp,
'is_uniform': is_uniform}
def __eq__(self, other):
if isinstance(other, self.__class__):
return (self.value == other.value and
self.ttl == other.ttl and
self.exp == other.exp and
self.mode == other.mode)
elif hasattr(other, 'label'):
return (self.value == other.label and
self.ttl == other.ttl and
self.exp == other.exp and
(self.mode == MplsLspMode.UNIFORM) == other.is_uniform)
else:
return False
def __ne__(self, other):
return not (self == other)
class VppFibPathNextHop:
def __init__(self, addr,
via_label=MPLS_LABEL_INVALID,
next_hop_id=INVALID_INDEX):
self.addr = VppIpAddressUnion(addr)
self.via_label = via_label
self.obj_id = next_hop_id
def encode(self):
if self.via_label is not MPLS_LABEL_INVALID:
return {'via_label': self.via_label}
if self.obj_id is not INVALID_INDEX:
return {'obj_id': self.obj_id}
else:
return {'address': self.addr.encode()}
def proto(self):
if self.via_label is MPLS_LABEL_INVALID:
return address_proto(self.addr)
else:
return FibPathProto.FIB_PATH_NH_PROTO_MPLS
def __eq__(self, other):
if not isinstance(other, self.__class__):
# try the other instance's __eq__.
return NotImplemented
return (self.addr == other.addr and
self.via_label == other.via_label and
self.obj_id == other.obj_id)
class VppRoutePath:
def __init__(
self,
nh_addr,
nh_sw_if_index,
nh_table_id=0,
labels=[],
nh_via_label=MPLS_LABEL_INVALID,
rpf_id=0,
next_hop_id=INVALID_INDEX,
proto=None,
flags=FibPathFlags.FIB_PATH_FLAG_NONE,
type=FibPathType.FIB_PATH_TYPE_NORMAL):
self.nh_itf = nh_sw_if_index
self.nh_table_id = nh_table_id
self.nh_labels = labels
self.weight = 1
self.rpf_id = rpf_id
self.proto = proto
self.flags = flags
self.type = type
self.nh = VppFibPathNextHop(nh_addr, nh_via_label, next_hop_id)
if proto is None:
self.proto = self.nh.proto()
else:
self.proto = proto
self.next_hop_id = next_hop_id
def encode_labels(self):
lstack = []
for l in self.nh_labels:
if type(l) == VppMplsLabel:
lstack.append(l.encode())
else:
lstack.append({'label': l,
'ttl': 255})
while (len(lstack) < 16):
lstack.append({})
return lstack
def encode(self):
return {'weight': 1,
'preference': 0,
'table_id': self.nh_table_id,
'nh': self.nh.encode(),
'next_hop_id': self.next_hop_id,
'sw_if_index': self.nh_itf,
'rpf_id': self.rpf_id,
'proto': self.proto,
'type': self.type,
'flags': self.flags,
'n_labels': len(self.nh_labels),
'label_stack': self.encode_labels()}
def __eq__(self, other):
if isinstance(other, self.__class__):
return self.nh == other.nh
elif hasattr(other, 'sw_if_index'):
# vl_api_fib_path_t
if (len(self.nh_labels) != other.n_labels):
return False
for i in range(len(self.nh_labels)):
if (self.nh_labels[i] != other.label_stack[i]):
return False
return self.nh_itf == other.sw_if_index
else:
return False
def __ne__(self, other):
return not (self == other)
class VppMRoutePath(VppRoutePath):
def __init__(self, nh_sw_if_index, flags,
nh=None,
proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
type=FibPathType.FIB_PATH_TYPE_NORMAL,
bier_imp=INVALID_INDEX):
if not nh:
nh = "::" if proto is FibPathProto.FIB_PATH_NH_PROTO_IP6 \
else "0.0.0.0"
super(VppMRoutePath, self).__init__(nh,
nh_sw_if_index,
proto=proto,
type=type,
next_hop_id=bier_imp)
self.nh_i_flags = flags
self.bier_imp = bier_imp
def encode(self):
return {'path': super(VppMRoutePath, self).encode(),
'itf_flags': self.nh_i_flags}
class VppIpRoute(VppObject):
"""
IP Route
"""
def __init__(self, test, dest_addr,
dest_addr_len, paths, table_id=0, register=True):
self._test = test
self.paths = paths
self.table_id = table_id
self.prefix = mk_network(dest_addr, dest_addr_len)
self.register = register
self.stats_index = None
self.modified = False
self.encoded_paths = []
for path in self.paths:
self.encoded_paths.append(path.encode())
def __eq__(self, other):
if self.table_id == other.table_id and \
self.prefix == other.prefix:
return True
return False
def modify(self, paths):
self.paths = paths
self.encoded_paths = []
for path in self.paths:
self.encoded_paths.append(path.encode())
self.modified = True
self._test.vapi.ip_route_add_del(route={'table_id': self.table_id,
'prefix': self.prefix,
'n_paths': len(
self.encoded_paths),
'paths': self.encoded_paths,
},
is_add=1,
is_multipath=0)
def add_vpp_config(self):
r = self._test.vapi.ip_route_add_del(
route={'table_id': self.table_id,
'prefix': self.prefix,
'n_paths': len(self.encoded_paths),
'paths': self.encoded_paths,
},
is_add=1,
is_multipath=0)
self.stats_index = r.stats_index
if self.register:
self._test.registry.register(self, self._test.logger)
return self
def remove_vpp_config(self):
# there's no need to issue different deletes for modified routes
# we do this only to test the two different ways to delete routes
# eiter by passing all the paths to remove and mutlipath=1 or
# passing no paths and multipath=0
if self.modified:
self._test.vapi.ip_route_add_del(
route={'table_id': self.table_id,
'prefix': self.prefix,
'n_paths': len(
self.encoded_paths),
'paths': self.encoded_paths},
is_add=0,
is_multipath=1)
else:
self._test.vapi.ip_route_add_del(
route={'table_id': self.table_id,
'prefix': self.prefix,
'n_paths': 0},
is_add=0,
is_multipath=0)
def query_vpp_config(self):
return find_route(self._test,
self.prefix.network_address,
self.prefix.prefixlen,
self.table_id)
def object_id(self):
return ("%s:table-%d-%s" % (
'ip6-route' if self.prefix.version == 6 else 'ip-route',
self.table_id,
self.prefix))
def get_stats_to(self):
c = self._test.statistics.get_counter("/net/route/to")
return c[0][self.stats_index]
def get_stats_via(self):
c = self._test.statistics.get_counter("/net/route/via")
return c[0][self.stats_index]
class VppIpRouteV2(VppObject):
"""
IP Route V2
"""
def __init__(self, test, dest_addr,
dest_addr_len, paths, table_id=0,
register=True, src=0):
self._test = test
self.paths = paths
self.table_id = table_id
self.prefix = mk_network(dest_addr, dest_addr_len)
self.register = register
self.stats_index = None
self.modified = False
self.src = src
self.encoded_paths = []
for path in self.paths:
self.encoded_paths.append(path.encode())
def __eq__(self, other):
if self.table_id == other.table_id and \
self.prefix == other.prefix:
return True
return False
def modify(self, paths):
self.paths = paths
self.encoded_paths = []
for path in self.paths:
self.encoded_paths.append(path.encode())
self.modified = True
self._test.vapi.ip_route_add_del_v2(route={'table_id': self.table_id,
'prefix': self.prefix,
'src': self.src,
'n_paths': len(
self.encoded_paths),
'paths': self.encoded_paths,
},
is_add=1,
is_multipath=0)
def add_vpp_config(self):
r = self._test.vapi.ip_route_add_del_v2(
route={'table_id': self.table_id,
'prefix': self.prefix,
'n_paths': len(self.encoded_paths),
'paths': self.encoded_paths,
'src': self.src,
},
is_add=1,
is_multipath=0)
self.stats_index = r.stats_index
if self.register:
self._test.registry.register(self, self._test.logger)
return self
def remove_vpp_config(self):
# there's no need to issue different deletes for modified routes
# we do this only to test the two different ways to delete routes
# eiter by passing all the paths to remove and mutlipath=1 or
# passing no paths and multipath=0
if self.modified:
self._test.vapi.ip_route_add_del_v2(
route={'table_id': self.table_id,
'prefix': self.prefix,
'src': self.src,
'n_paths': len(
self.encoded_paths),
'paths': self.encoded_paths},
is_add=0,
is_multipath=1)
else:
self._test.vapi.ip_route_add_del_v2(
route={'table_id': self.table_id,
'prefix': self.prefix,
'src': self.src,
'n_paths': 0},
is_add=0,
is_multipath=0)
def query_vpp_config(self):
return find_route(self._test,
self.prefix.network_address,
self.prefix.prefixlen,
self.table_id)
def object_id(self):
return ("%s:table-%d-%s" % (
'ip6-route' if self.prefix.version == 6 else 'ip-route',
self.table_id,
self.prefix))
def get_stats_to(self):
c = self._test.statistics.get_counter("/net/route/to")
return c[0][self.stats_index]
def get_stats_via(self):
c = self._test.statistics.get_counter("/net/route/via")
return c[0][self.stats_index]
class VppIpMRoute(VppObject):
"""
IP Multicast Route
"""
def __init__(self, test, src_addr, grp_addr,
grp_addr_len, e_flags, paths, table_id=0,
rpf_id=0):
self._test = test
self.paths = paths
self.table_id = table_id
self.e_flags = e_flags
self.rpf_id = rpf_id
self.prefix = VppIpMPrefix(src_addr, grp_addr, grp_addr_len)
self.encoded_paths = []
for path in self.paths:
self.encoded_paths.append(path.encode())
def encode(self, paths=None):
_paths = self.encoded_paths if paths is None else paths
return {'table_id': self.table_id,
'entry_flags': self.e_flags,
'rpf_id': self.rpf_id,
'prefix': self.prefix.encode(),
'n_paths': len(_paths),
'paths': _paths,
}
def add_vpp_config(self):
r = self._test.vapi.ip_mroute_add_del(route=self.encode(),
is_multipath=1,
is_add=1)
self.stats_index = r.stats_index
self._test.registry.register(self, self._test.logger)
return self
def remove_vpp_config(self):
self._test.vapi.ip_mroute_add_del(route=self.encode(),
is_multipath=1,
is_add=0)
def update_entry_flags(self, flags):
self.e_flags = flags
self._test.vapi.ip_mroute_add_del(route=self.encode(paths=[]),
is_multipath=1,
is_add=1)
def update_rpf_id(self, rpf_id):
self.rpf_id = rpf_id
self._test.vapi.ip_mroute_add_del(route=self.encode(paths=[]),
is_multipath=1,
is_add=1)
def update_path_flags(self, itf, flags):
for p in range(len(self.paths)):
if self.paths[p].nh_itf == itf:
self.paths[p].nh_i_flags = flags
self.encoded_paths[p] = self.paths[p].encode()
break
self._test.vapi.ip_mroute_add_del(
route=self.encode(
paths=[self.encoded_paths[p]]),
is_add=1,
is_multipath=0)
def query_vpp_config(self):
return find_mroute(self._test,
self.prefix.gaddr,
self.prefix.saddr,
self.prefix.length,
self.table_id)
def object_id(self):
return ("%d:(%s,%s/%d)" % (self.table_id,
self.prefix.saddr,
self.prefix.gaddr,
self.prefix.length))
def get_stats(self):
c = self._test.statistics.get_counter("/net/mroute")
return c[0][self.stats_index]
class VppMFibSignal:
def __init__(self, test, route, interface, packet):
self.route = route
self.interface = interface
self.packet = packet
self.test = test
def compare(self, signal):
self.test.assertEqual(self.interface, signal.sw_if_index)
self.test.assertEqual(self.route.table_id, signal.table_id)
self.test.assertEqual(self.route.prefix, signal.prefix)
class VppMplsIpBind(VppObject):
"""
MPLS to IP Binding
"""
def __init__(self, test, local_label, dest_addr, dest_addr_len,
table_id=0, ip_table_id=0, is_ip6=0):
self._test = test
self.dest_addr_len = dest_addr_len
self.dest_addr = dest_addr
self.ip_addr = ip_address(text_type(dest_addr))
self.local_label = local_label
self.table_id = table_id
self.ip_table_id = ip_table_id
self.prefix = mk_network(dest_addr, dest_addr_len)
def add_vpp_config(self):
self._test.vapi.mpls_ip_bind_unbind(self.local_label,
self.prefix,
table_id=self.table_id,
ip_table_id=self.ip_table_id)
self._test.registry.register(self, self._test.logger)
def remove_vpp_config(self):
self._test.vapi.mpls_ip_bind_unbind(self.local_label,
self.prefix,
table_id=self.table_id,
ip_table_id=self.ip_table_id,
is_bind=0)
def query_vpp_config(self):
dump = self._test.vapi.mpls_route_dump(self.table_id)
for e in dump:
if self.local_label == e.mr_route.mr_label \
and self.table_id == e.mr_route.mr_table_id:
return True
return False
def object_id(self):
return ("%d:%s binds %d:%s/%d"
% (self.table_id,
self.local_label,
self.ip_table_id,
self.dest_addr,
self.dest_addr_len))
class VppMplsTable(VppObject):
def __init__(self,
test,
table_id):
self._test = test
self.table_id = table_id
def add_vpp_config(self):
self._test.vapi.mpls_table_add_del(
self.table_id,
is_add=1)
self._test.registry.register(self, self._test.logger)
def remove_vpp_config(self):
self._test.vapi.mpls_table_add_del(
self.table_id,
is_add=0)
def query_vpp_config(self):
dump = self._test.vapi.mpls_table_dump()
for d in dump:
if d.mt_table.mt_table_id == self.table_id:
return True
return False
def object_id(self):
return ("table-mpls-%d" % (self.table_id))
class VppMplsRoute(VppObject):
"""
MPLS Route/LSP
"""
def __init__(self, test, local_label, eos_bit, paths, table_id=0,
is_multicast=0,
eos_proto=FibPathProto.FIB_PATH_NH_PROTO_IP4):
self._test = test
self.paths = paths
self.local_label = local_label
self.eos_bit = eos_bit
self.eos_proto = eos_proto
self.table_id = table_id
self.is_multicast = is_multicast
def add_vpp_config(self):
paths = []
for path in self.paths:
paths.append(path.encode())
r = self._test.vapi.mpls_route_add_del(self.table_id,
self.local_label,
self.eos_bit,
self.eos_proto,
self.is_multicast,
paths, 1, 0)
self.stats_index = r.stats_index
self._test.registry.register(self, self._test.logger)
def remove_vpp_config(self):
paths = []
for path in self.paths:
paths.append(path.encode())
self._test.vapi.mpls_route_add_del(self.table_id,
self.local_label,
self.eos_bit,
self.eos_proto,
self.is_multicast,
paths, 0, 0)
def query_vpp_config(self):
return find_mpls_route(self._test, self.table_id,
self.local_label, self.eos_bit)
def object_id(self):
return ("mpls-route-%d:%s/%d"
% (self.table_id,
self.local_label,
20 + self.eos_bit))
def get_stats_to(self):
c = self._test.statistics.get_counter("/net/route/to")
return c[0][self.stats_index]
def get_stats_via(self):
c = self._test.statistics.get_counter("/net/route/via")
return c[0][self.stats_index]
