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authorKlement Sekera <ksekera@cisco.com>2021-05-31 16:08:53 +0200
committerAndrew Yourtchenko <ayourtch@gmail.com>2022-02-17 18:02:35 +0000
commitb23ffd7ef216463c35b75c831e6a27e58971f4ec (patch)
tree84983bd698b2b3da6c6278e870ef978f69dbda43 /test/test_l2bd_learnlimit_bdenabled.py
parent8ccc6b350703d3390633636d2b1c2f578f37cb21 (diff)
tests: make tests less make dependent
Implement command line argument parsing instead of passing arguments via environment variables. Add script for running tests without having to invoke make. Deprecate running tests via make. Type: improvement Change-Id: I2e3054a61a2ae25d460e9be00be7d7705fbf943e Signed-off-by: Klement Sekera <ksekera@cisco.com> Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
Diffstat (limited to 'test/test_l2bd_learnlimit_bdenabled.py')
-rw-r--r--test/test_l2bd_learnlimit_bdenabled.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/test/test_l2bd_learnlimit_bdenabled.py b/test/test_l2bd_learnlimit_bdenabled.py
index 503a7d82dc4..fdbc3507eeb 100644
--- a/test/test_l2bd_learnlimit_bdenabled.py
+++ b/test/test_l2bd_learnlimit_bdenabled.py
@@ -7,7 +7,7 @@ from scapy.packet import Raw
from scapy.layers.l2 import Ether
from scapy.layers.inet import IP, UDP
-from framework import VppTestCase, VppTestRunner, running_extended_tests
+from framework import VppTestCase, VppTestRunner
from util import Host, ppp
id='n197' href='#n197'>197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498
/*
 * Copyright (c) 2016 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.
 */
/**
 * @brief
 * A Data-Path Object is an object that represents actions that are
 * applied to packets are they are switched through VPP's data-path.
 * 
 * The DPO can be considered to be like is a base class that is specialised
 * by other objects to provide concreate actions
 *
 * The VLIB graph nodes are graph of DPO types, the DPO graph is a graph of
 * instances.
 */

#ifndef __DPO_H__
#define __DPO_H__

#include <vnet/vnet.h>

/**
 * @brief An index for adjacencies.
 * Alas 'C' is not typesafe enough to b0rk when a u32 is used instead of
 * an index_t. However, for us humans, we can glean much more intent
 * from the declaration
 *  foo barindex_t t);
 * than we can from
 *  foo bar(u32 t);
 */
typedef u32 index_t;

/**
 * @brief Invalid index - used when no index is known
 * blazoned capitals INVALID speak volumes where ~0 does not.
 */
#define INDEX_INVALID ((index_t)(~0))

/**
 * @brief Data path protocol.
 * Actions performed on packets in the data-plane can be described and represented
 * by protocol independent objects, i.e. ADJACENCY, but the spceifics actions
 * required during ADJACENCY processing can be protocol dependent. For example,
 * the adjacency rewrite node performs a ip4 checksum calculation,  ip6 and MPLS
 * do not, all 3 perform a TTL decrement. The VLIB graph nodes are thus protocol
 * dependent, and thus each graph edge/arc is too.
 * When programming a DPO's next node arc from child to parent it is thus required
 * to know the parent's data-path protocol so the correct arc index can be used.
 */
typedef enum dpo_proto_t_
{
    DPO_PROTO_IP4 = 0,
    DPO_PROTO_IP6,
    DPO_PROTO_MPLS,
    DPO_PROTO_ETHERNET,
    DPO_PROTO_BIER,
    DPO_PROTO_NSH,
} __attribute__((packed)) dpo_proto_t;

#define DPO_PROTO_NUM ((dpo_proto_t)(DPO_PROTO_NSH+1))
#define DPO_PROTO_NONE ((dpo_proto_t)(DPO_PROTO_NUM+1))

#define DPO_PROTOS {		\
    [DPO_PROTO_IP4]  = "ip4",	\
    [DPO_PROTO_IP6]  = "ip6",	\
    [DPO_PROTO_ETHERNET]  = "ethernet", \
    [DPO_PROTO_MPLS] = "mpls",	\
    [DPO_PROTO_NSH] = "nsh",    \
    [DPO_PROTO_BIER] = "bier",	\
}

#define FOR_EACH_DPO_PROTO(_proto)    \
    for (_proto = DPO_PROTO_IP4;      \
	 _proto <= DPO_PROTO_NSH;    \
	 _proto++)

/**
 * @brief Common types of data-path objects
 * New types can be dynamically added using dpo_register_new_type()
 */
typedef enum dpo_type_t_ {
    /**
     * A non-zero value first so we can spot unitialisation errors
     */
    DPO_FIRST,
    DPO_DROP,
    DPO_IP_NULL,
    DPO_PUNT,
    /**
     * @brief load-balancing over a choice of [un]equal cost paths
     */
    DPO_LOAD_BALANCE,
    DPO_REPLICATE,
    DPO_ADJACENCY,
    DPO_ADJACENCY_INCOMPLETE,
    DPO_ADJACENCY_MIDCHAIN,
    DPO_ADJACENCY_GLEAN,
    DPO_ADJACENCY_MCAST,
    DPO_ADJACENCY_MCAST_MIDCHAIN,
    DPO_RECEIVE,
    DPO_LOOKUP,
    DPO_LISP_CP,
    DPO_CLASSIFY,
    DPO_MPLS_DISPOSITION_PIPE,
    DPO_MPLS_DISPOSITION_UNIFORM,
    DPO_MFIB_ENTRY,
    DPO_INTERFACE_RX,
    DPO_INTERFACE_TX,
    DPO_DVR,
    DPO_L3_PROXY,
    DPO_BIER_TABLE,
    DPO_BIER_FMASK,
    DPO_BIER_IMP,
    DPO_BIER_DISP_TABLE,
    DPO_BIER_DISP_ENTRY,
    DPO_IP6_LL,
    DPO_LAST,
} __attribute__((packed)) dpo_type_t;

#define DPO_TYPE_NUM DPO_LAST

#define DPO_TYPES {			\
    [DPO_FIRST] = "dpo-invalid",	\
    [DPO_DROP] = "dpo-drop",	\
    [DPO_IP_NULL] = "dpo-ip-null",		\
    [DPO_PUNT] = "dpo-punt",	\
    [DPO_ADJACENCY] = "dpo-adjacency",	\
    [DPO_ADJACENCY_INCOMPLETE] = "dpo-adjacency-incomplete",	\
    [DPO_ADJACENCY_MIDCHAIN] = "dpo-adjacency-midcahin",	\
    [DPO_ADJACENCY_GLEAN] = "dpo-glean",	\
    [DPO_ADJACENCY_MCAST] = "dpo-adj-mcast",	\
    [DPO_ADJACENCY_MCAST_MIDCHAIN] = "dpo-adj-mcast-midchain",	\
    [DPO_RECEIVE] = "dpo-receive",	\
    [DPO_LOOKUP] = "dpo-lookup",	\
    [DPO_LOAD_BALANCE] = "dpo-load-balance",	\
    [DPO_REPLICATE] = "dpo-replicate",	\
    [DPO_LISP_CP] = "dpo-lisp-cp",	\
    [DPO_CLASSIFY] = "dpo-classify",	\
    [DPO_MPLS_DISPOSITION_PIPE] = "dpo-mpls-diposition-pipe", \
    [DPO_MPLS_DISPOSITION_UNIFORM] = "dpo-mpls-diposition-uniform", \
    [DPO_MFIB_ENTRY] = "dpo-mfib-entry", \
    [DPO_INTERFACE_RX] = "dpo-interface-rx",	\
    [DPO_INTERFACE_TX] = "dpo-interface-tx",	\
    [DPO_DVR] = "dpo-dvr",	\
    [DPO_L3_PROXY] = "dpo-l3-proxy",	\
    [DPO_BIER_TABLE] = "bier-table",	\
    [DPO_BIER_FMASK] = "bier-fmask",	\
    [DPO_BIER_IMP] = "bier-imposition",	\
    [DPO_BIER_DISP_ENTRY] = "bier-disp-entry",	\
    [DPO_BIER_DISP_TABLE] = "bier-disp-table",	\
    [DPO_IP6_LL] = "ip6-link-local",	\
}

/**
 * @brief The identity of a DPO is a combination of its type and its
 * instance number/index of objects of that type
 */
typedef struct dpo_id_t_ {
    /**
     * the type
     */
    dpo_type_t dpoi_type;
    /**
     * the data-path protocol of the type.
     */
    dpo_proto_t dpoi_proto;
    /**
     * The next VLIB node to follow.
     */
    u16 dpoi_next_node;
    /**
     * the index of objects of that type
     */
    index_t dpoi_index;
} __attribute__ ((aligned(sizeof(u64)))) dpo_id_t;

STATIC_ASSERT(sizeof(dpo_id_t) <= sizeof(u64),
	      "DPO ID is greater than sizeof u64 "
	      "atomic updates need to be revisited");

/**
 * @brief An initialiser for DPOs declared on the stack.
 * Thenext node is set to 0 since VLIB graph nodes should set 0 index to drop.
 */
#define DPO_INVALID                \
{                                  \
    .dpoi_type = DPO_FIRST,        \
    .dpoi_proto = DPO_PROTO_NONE,  \
    .dpoi_index = INDEX_INVALID,   \
    .dpoi_next_node = 0,           \
}

/**
 * @brief Return true if the DPO object is valid, i.e. has been initialised.
 */
static inline int
dpo_id_is_valid (const dpo_id_t *dpoi)
{
    return (dpoi->dpoi_type != DPO_FIRST &&
	    dpoi->dpoi_index != INDEX_INVALID);
}

extern dpo_proto_t vnet_link_to_dpo_proto(vnet_link_t linkt);

/**
 * @brief
 *  Take a reference counting lock on the DPO
 */
extern void dpo_lock(dpo_id_t *dpo);

/**
 * @brief
 *  Release a reference counting lock on the DPO
 */
extern void dpo_unlock(dpo_id_t *dpo);

/**
 * @brief
 *  Make an interpose DPO from an original
 */
extern void dpo_mk_interpose(const dpo_id_t *original,
                             const dpo_id_t *parent,
                             dpo_id_t *clone);

/**
 * @brief Set/create a DPO ID
 * The DPO will be locked.
 *
 * @param dpo
 *  The DPO object to configure
 *
 * @param type
 *  The dpo_type_t of the DPO
 *
 * @param proto
 *  The dpo_proto_t of the DPO
 *
 * @param index
 *  The type specific index of the DPO
 */
extern void dpo_set(dpo_id_t *dpo,
		    dpo_type_t type,
		    dpo_proto_t proto,
		    index_t index);

/**
 * @brief reset a DPO ID
 * The DPO will be unlocked.
 *
 * @param dpo
 *  The DPO object to reset
 */
extern void dpo_reset(dpo_id_t *dpo);

/**
 * @brief compare two DPOs for equality
 */
extern int dpo_cmp(const dpo_id_t *dpo1,
		   const dpo_id_t *dpo2);

/**
 * @brief
 *  atomic copy a data-plane object.
 * This is safe to use when the dst DPO is currently switching packets
 */
extern void dpo_copy(dpo_id_t *dst,
		     const dpo_id_t *src);

/**
 * @brief Return TRUE is the DPO is any type of adjacency
 */
extern int dpo_is_adj(const dpo_id_t *dpo);

/**
 * @biref Format a DPO_id_t oject
 */
extern u8 *format_dpo_id(u8 * s, va_list * args);

/**
 * @biref format a DPO type
 */
extern u8 *format_dpo_type(u8 * s, va_list * args);

/**
 * @brief format a DPO protocol
 */
extern u8 *format_dpo_proto(u8 * s, va_list * args);

/**
 * @brief format a DPO protocol
 */
extern vnet_link_t dpo_proto_to_link(dpo_proto_t dp);

/**
 * @brief
 *  Set and stack a DPO.
 *  The DPO passed is set to the parent DPO and the necessary
 *  VLIB graph arcs are created. The child_type and child_proto
 * are used to get the VLID nodes from which the arcs are added.
 *
 * @param child_type
 *  Child DPO type.
 *
 * @param child_proto
 *  Child DPO proto
 *
 * @parem dpo
 *  This is the DPO to stack and set.
 *
 * @paren parent_dpo
 *  The parent DPO to stack onto.
 */
extern void dpo_stack(dpo_type_t child_type,
                      dpo_proto_t child_proto,
                      dpo_id_t *dpo,
                      const dpo_id_t *parent_dpo);

/**
 * @brief 
 *  Set and stack a DPO.
 *  The DPO passed is set to the parent DPO and the necessary
 *  VLIB graph arcs are created, from the child_node passed.
 *
 * @param child_node
 *  The VLIB grpah node index to create an arc from to the parent
 *
 * @param dpo
 *  This is the DPO to stack and set.
 *
 * @param parent_dpo
 *  The parent DPO to stack onto.
 */ 
extern void dpo_stack_from_node(u32 child_node,
                                dpo_id_t *dpo,
                                const dpo_id_t *parent);

/**
 * Get a uRPF interface for the DPO
 *
 * @param dpo
 *  The DPO from which to get the uRPF interface
 *
 * @return valid SW interface index or ~0
 */
extern u32 dpo_get_urpf(const dpo_id_t *dpo);

/**
 * @brief  A lock function registered for a DPO type
 */
typedef void (*dpo_lock_fn_t)(dpo_id_t *dpo);

/**
 * @brief An unlock function registered for a DPO type
 */
typedef void (*dpo_unlock_fn_t)(dpo_id_t *dpo);

/**
 * @brief An memory usage show command
 */
typedef void (*dpo_mem_show_t)(void);

/**
 * @brief Given a DPO instance return a vector of node indices that
 * the type/instance will use.
 */
typedef u32* (*dpo_get_next_node_t)(const dpo_id_t *dpo);

/**
 * @brief Given a DPO instance return an interface that can
 * be used in an uRPF check
 */
typedef u32 (*dpo_get_urpf_t)(const dpo_id_t *dpo);

/**
 * @brief Called during FIB interposition when the originally
 * registered DPO is used to 'clone' an instance for interposition
 * at a particular location in the FIB graph.
 * The parent is the next DPO in the chain that the clone will
 * be used instead of. The clone may then choose to stack itself
 * on the parent.
 */
typedef void (*dpo_mk_interpose_t)(const dpo_id_t *original,
                                   const dpo_id_t *parent,
                                   dpo_id_t *clone);

/**
 * @brief A virtual function table regisitered for a DPO type
 */
typedef struct dpo_vft_t_
{
    /**
     * A reference counting lock function
     */
    dpo_lock_fn_t dv_lock;
    /**
     * A reference counting unlock function
     */
    dpo_lock_fn_t dv_unlock;
    /**
     * A format function
     */
    format_function_t *dv_format;
    /**
     * A show memory usage function
     */
    dpo_mem_show_t dv_mem_show;
    /**
     * A function to get the next VLIB node given an instance
     * of the DPO. If this is null, then the node's name MUST be
     * retreiveable from the nodes names array passed in the register
     * function
     */
    dpo_get_next_node_t dv_get_next_node;
    /**
     * Get uRPF interface
     */
    dpo_get_urpf_t dv_get_urpf;
    /**
     * Signal on an interposed child that the parent has changed
     */
    dpo_mk_interpose_t dv_mk_interpose;
} dpo_vft_t;


/**
 * @brief For a given DPO type Register:
 *   - a virtual function table
 *   - a NULL terminated array of graph nodes from which that object type
 *     will originate packets, i.e. the nodes in which the object type will be
 *     the parent DPO in the DP graph. The ndoes are per-data-path protocol
 *     (see above).
 *
 * @param type
 *  The type being registered. 
 *
 * @param vft
 *  The virtual function table to register for the type.
 *
 * @param nodes
 *  The string description of the per-protocol VLIB graph nodes.
 */
extern void dpo_register(dpo_type_t type,
			 const dpo_vft_t *vft,
			 const char * const * const * nodes);

/**
 * @brief Create and register a new DPO type.
 *
 * This can be used by plugins to create new DPO types that are not listed
 * in dpo_type_t enum
 *
 * @param vft
 *  The virtual function table to register for the type.
 *
 * @param nodes
 *  The string description of the per-protocol VLIB graph nodes.
 *
 * @return The new dpo_type_t
 */
extern dpo_type_t dpo_register_new_type(const dpo_vft_t *vft,
					const char * const * const * nodes);

/**
 * @brief Return already stacked up next node index for a given
 *        child_type/child_proto and parent_type/patent_proto.
 *        The VLIB graph arc used is taken from the parent and child types
 *        passed.
 *
 * @param child_type
 *  Child DPO type.
 *
 * @param child_proto
 *  Child DPO proto
 *
 * @param parent_type
 *  Parent DPO type.
 *
 * @param parent_proto
 *  Parent DPO proto
 *
 * @return The VLIB Graph node index
 */
extern u32
dpo_get_next_node_by_type_and_proto (dpo_type_t   child_type,
                                     dpo_proto_t  child_proto,
                                     dpo_type_t   parent_type,
                                     dpo_proto_t  parent_proto);
#endif