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path: root/src/plugins/memif/node.c
AgeCommit message (Expand)AuthorFilesLines
2022-08-30memif: Process bad descriptors correctly in memif_process_descSteven Luong1-10/+35
2022-08-17memif: crash on recceiving a bad descriptorSteven Luong1-1/+1
2022-03-15memif: fix memif_process_desc indexingMauro Sardara1-4/+2
2022-02-13memif: Fix underflowNathan Skrzypczak1-2/+2
2021-12-22memif: refactor descriptor handling in the input nodeDamjan Marion1-181/+383
2021-08-04memif: fix offsetArtem Glazychev1-1/+1
2021-07-15misc: replace CLIB_PREFETCH with clib_prefetch_{load,store}Damjan Marion1-8/+6
2021-06-30memif: fix chain buffer length in zero-copy modeBenoît Ganne1-0/+1
2021-06-11memif: fix crash with zero-copy slaveDamjan Marion1-1/+1
2021-05-20memif: fix input node buffer prefetchTianyu Li1-4/+4
2021-05-19memif: remove dead codeDamjan Marion1-1/+1
2021-05-17memif: remove unused codeDamjan Marion1-46/+13
2021-05-17memif: optimize zero-copy rx ring refillDamjan Marion1-64/+47
2021-05-17memif: remove barriersDamjan Marion1-8/+11
2021-05-06vlib: rename vl_counter_t to vlib_error_desc_tOle Troan1-1/+1
2021-05-06memif: add severity to countersOle Troan1-7/+7
2021-05-01vlib: refactor trajectory trace debug featureBenoît Ganne1-2/+0
2021-03-04memif: Validate descriptors within process boudarySteven Luong1-20/+27
2021-01-21memif: adapt to new rxq frameworkMohammed Hawari1-43/+41
2020-12-04libmemif: clean up typosPaul Vinciguerra1-1/+1
2020-11-09vlib: fix trace number accountingBenoît Ganne1-8/+11
2020-08-06memif: wrong interface counter is incrementedSteven Luong1-2/+2
2020-05-14memif: 14 bytes extra overhead issue fixed.Mrityunjay Kumar1-2/+2
2019-09-24vlib: add flag to explicitelly mark nodes which can init per-node packet traceDamjan Marion1-0/+1
2019-07-25memif: Fix uninitialized variable as reported by coveritySteven Luong1-1/+2
2019-07-18vlib: convert frame_index into real pointersAndreas Schultz1-1/+1
2019-02-22Add no-append flag to vlib_frame_tDamjan Marion1-0/+1
2019-02-09buffers: fix typoDamjan Marion1-2/+2
2019-02-06buffers: make buffer data size configurable from startup configDamjan Marion1-2/+2
2019-02-01memif: fix buffer prefetchDamjan Marion1-4/+5
2019-01-30buffers: add missing ref_count = 1 in driversDamjan Marion1-0/+1
2019-01-30buffers: major cleanup and improvementsDamjan Marion1-3/+6
2019-01-18deprecate clib_memcpy64_x4Damjan Marion1-10/+17
2018-11-20memif input-node improvementsDamjan Marion1-11/+34
2018-11-14Remove c-11 memcpy checks from perf-critical codeDave Barach1-16/+16
2018-10-23c11 safe string handling supportDave Barach1-1/+1
2018-08-13Multiarch handling in different constructor macrosDamjan Marion1-2/+0
2018-07-17memif: vectorized buffer enqueue in input nodeDamjan Marion1-146/+121
2018-07-11avoid using thread local storage for thread indexDamjan Marion1-2/+2
2018-05-29Add VLIB_NODE_FN() macro to simplify multiversioning of node functionsDamjan Marion1-20/+5
2018-04-05memif: bug fixesDamjan Marion1-21/+72
2018-04-04memif: zero copy slaveDamjan Marion1-5/+327
2018-03-22memif: version 2Damjan Marion1-359/+326
2018-02-09memif: fix crash caused by zero pkt len in memif and clear dirty cache while ...Chun Li1-2/+80
2017-11-23memif: fix input node multiversion constructorDamjan Marion1-6/+6
2017-11-23memif: multiversioningDamjan Marion1-6/+22
2017-11-08memif: do not mask head and tail pointersDamjan Marion1-32/+15
2017-10-04[aarch64] Fixes CLI crashes on dpaa2 platform.Christophe Fontaine1-1/+1
2017-06-19memif: add ip modeDamjan Marion1-18/+82
2017-06-16memif: jumbo frames supportSteven1-109/+201
eyed_sha1, BFDAuthType.meticulous_keyed_sha1) def bfd_is_md5_used(pkt): """ is md5 authentication used? """ return bfd_is_auth_used(pkt) and pkt.auth_type in \ (BFDAuthType.keyed_md5, BFDAuthType.meticulous_keyed_md5) def bfd_is_md5_or_sha1_used(pkt): """ is md5 or sha1 used? """ return bfd_is_md5_used(pkt) or bfd_is_sha1_used(pkt) class BFD(Packet): """ BFD protocol layer for scapy """ udp_dport = 3784 #: BFD destination port per RFC 5881 udp_dport_echo = 3785 # : BFD destination port for ECHO per RFC 5881 udp_sport_min = 49152 #: BFD source port min value per RFC 5881 udp_sport_max = 65535 #: BFD source port max value per RFC 5881 bfd_pkt_len = 24 # : length of BFD pkt without authentication section sha1_auth_len = 28 # : length of authentication section if SHA1 used name = "BFD" fields_desc = [ BitField("version", 1, 3), BitEnumField("diag", 0, 5, BFDDiagCode.desc_dict), BitEnumField("state", 0, 2, BFDState.desc_dict), FlagsField("flags", 0, 6, ['M', 'D', 'A', 'C', 'F', 'P']), XByteField("detect_mult", 0), BitField("length", bfd_pkt_len, 8), BitField("my_discriminator", 0, 32), BitField("your_discriminator", 0, 32), BitField("desired_min_tx_interval", 0, 32), BitField("required_min_rx_interval", 0, 32), BitField("required_min_echo_rx_interval", 0, 32), ConditionalField( BitEnumField("auth_type", 0, 8, BFDAuthType.desc_dict), bfd_is_auth_used), ConditionalField(BitField("auth_len", 0, 8), bfd_is_auth_used), ConditionalField(BitField("auth_key_id", 0, 8), bfd_is_auth_used), ConditionalField(BitField("auth_reserved", 0, 8), bfd_is_md5_or_sha1_used), ConditionalField( BitField("auth_seq_num", 0, 32), bfd_is_md5_or_sha1_used), ConditionalField(StrField("auth_key_hash", "0" * 16), bfd_is_md5_used), ConditionalField( StrField("auth_key_hash", "0" * 20), bfd_is_sha1_used), ] def mysummary(self): return self.sprintf("BFD(my_disc=%BFD.my_discriminator%," "your_disc=%BFD.your_discriminator%)") # glue the BFD packet class to scapy parser bind_layers(UDP, BFD, dport=BFD.udp_dport) class BFD_vpp_echo(Packet): """ BFD echo packet as used by VPP (non-rfc, as rfc doesn't define one) """ udp_dport = 3785 #: BFD echo destination port per RFC 5881 name = "BFD_VPP_ECHO" fields_desc = [ BitField("discriminator", 0, 32), BitField("expire_time_clocks", 0, 64), BitField("checksum", 0, 64) ] def mysummary(self): return self.sprintf( "BFD_VPP_ECHO(disc=%BFD_VPP_ECHO.discriminator%," "expire_time_clocks=%BFD_VPP_ECHO.expire_time_clocks%)") # glue the BFD echo packet class to scapy parser bind_layers(UDP, BFD_vpp_echo, dport=BFD_vpp_echo.udp_dport) class VppBFDAuthKey(VppObject): """ Represents BFD authentication key in VPP """ def __init__(self, test, conf_key_id, auth_type, key): self._test = test self._key = key self._auth_type = auth_type test.assertIn(auth_type, BFDAuthType.desc_dict) self._conf_key_id = conf_key_id @property def test(self): """ Test which created this key """ return self._test @property def auth_type(self): """ Authentication type for this key """ return self._auth_type @property def key(self): """ key data """ return self._key @key.setter def key(self, value): self._key = value @property def conf_key_id(self): """ configuration key ID """ return self._conf_key_id def add_vpp_config(self): self.test.vapi.bfd_auth_set_key( self._conf_key_id, self._auth_type, self._key) self._test.registry.register(self, self.test.logger) def get_bfd_auth_keys_dump_entry(self): """ get the entry in the auth keys dump corresponding to this key """ result = self.test.vapi.bfd_auth_keys_dump() for k in result: if k.conf_key_id == self._conf_key_id: return k return None def query_vpp_config(self): return self.get_bfd_auth_keys_dump_entry() is not None def remove_vpp_config(self): self.test.vapi.bfd_auth_del_key(self._conf_key_id) def object_id(self): return "bfd-auth-key-%s" % self._conf_key_id def __str__(self): return self.object_id() class VppBFDUDPSession(VppObject): """ Represents BFD UDP session in VPP """ def __init__(self, test, interface, peer_addr, local_addr=None, af=AF_INET, desired_min_tx=300000, required_min_rx=300000, detect_mult=3, sha1_key=None, bfd_key_id=None): self._test = test self._interface = interface self._af = af self._local_addr = local_addr if local_addr is not None: self._local_addr_n = inet_pton(af, local_addr) else: self._local_addr_n = None self._peer_addr = peer_addr self._peer_addr_n = inet_pton(af, peer_addr) self._desired_min_tx = desired_min_tx self._required_min_rx = required_min_rx self._detect_mult = detect_mult self._sha1_key = sha1_key if bfd_key_id is not None: self._bfd_key_id = bfd_key_id else: self._bfd_key_id = randint(0, 255) @property def test(self): """ Test which created this session """ return self._test @property def interface(self): """ Interface on which this session lives """ return self._interface @property def af(self): """ Address family - AF_INET or AF_INET6 """ return self._af @property def local_addr(self): """ BFD session local address (VPP address) """ if self._local_addr is None: if self.af == AF_INET: return self._interface.local_ip4 elif self.af == AF_INET6: return self._interface.local_ip6 else: raise Exception("Unexpected af '%s'" % self.af) return self._local_addr @property def local_addr_n(self): """ BFD session local address (VPP address) - raw, suitable for API """ if self._local_addr is None: if self.af == AF_INET: return self._interface.local_ip4n elif self.af == AF_INET6: return self._interface.local_ip6n else: raise Exception("Unexpected af '%s'" % self.af) return self._local_addr_n @property def peer_addr(self): """ BFD session peer address """ return self._peer_addr @property def peer_addr_n(self): """ BFD session peer address - raw, suitable for API """ return self._peer_addr_n def get_bfd_udp_session_dump_entry(self): """ get the namedtuple entry from bfd udp session dump """ result = self.test.vapi.bfd_udp_session_dump() for s in result: self.test.logger.debug("session entry: %s" % str(s)) if s.sw_if_index == self.interface.sw_if_index: if self.af == AF_INET \ and s.is_ipv6 == 0 \ and self.interface.local_ip4n == s.local_addr[:4] \ and self.interface.remote_ip4n == s.peer_addr[:4]: return s if self.af == AF_INET6 \ and s.is_ipv6 == 1 \ and self.interface.local_ip6n == s.local_addr \ and self.interface.remote_ip6n == s.peer_addr: return s return None @property def state(self): """ BFD session state """ session = self.get_bfd_udp_session_dump_entry() if session is None: raise Exception("Could not find BFD session in VPP response") return session.state @property def desired_min_tx(self): """ desired minimum tx interval """ return self._desired_min_tx @property def required_min_rx(self): """ required minimum rx interval """ return self._required_min_rx @property def detect_mult(self): """ detect multiplier """ return self._detect_mult @property def sha1_key(self): """ sha1 key """ return self._sha1_key @property def bfd_key_id(self): """ bfd key id in use """ return self._bfd_key_id def activate_auth(self, key, bfd_key_id=None, delayed=False): """ activate authentication for this session """ self._bfd_key_id = bfd_key_id if bfd_key_id else randint(0, 255) self._sha1_key = key is_ipv6 = 1 if AF_INET6 == self.af else 0 conf_key_id = self._sha1_key.conf_key_id is_delayed = 1 if delayed else 0 self.test.vapi.bfd_udp_auth_activate(self._interface.sw_if_index, self.local_addr_n, self.peer_addr_n, is_ipv6=is_ipv6, bfd_key_id=self._bfd_key_id, conf_key_id=conf_key_id, is_delayed=is_delayed) def deactivate_auth(self, delayed=False): """ deactivate authentication """ self._bfd_key_id = None self._sha1_key = None is_delayed = 1 if delayed else 0 is_ipv6 = 1 if AF_INET6 == self.af else 0 self.test.vapi.bfd_udp_auth_deactivate(self._interface.sw_if_index, self.local_addr_n, self.peer_addr_n, is_ipv6=is_ipv6, is_delayed=is_delayed) def modify_parameters(self, detect_mult=None, desired_min_tx=None, required_min_rx=None): """ modify session parameters """ if detect_mult: self._detect_mult = detect_mult if desired_min_tx: self._desired_min_tx = desired_min_tx if required_min_rx: self._required_min_rx = required_min_rx is_ipv6 = 1 if AF_INET6 == self.af else 0 self.test.vapi.bfd_udp_mod(self._interface.sw_if_index, self.desired_min_tx, self.required_min_rx, self.detect_mult, self.local_addr_n, self.peer_addr_n, is_ipv6=is_ipv6) def add_vpp_config(self): is_ipv6 = 1 if AF_INET6 == self.af else 0 bfd_key_id = self._bfd_key_id if self._sha1_key else None conf_key_id = self._sha1_key.conf_key_id if self._sha1_key else None self.test.vapi.bfd_udp_add(self._interface.sw_if_index, self.desired_min_tx, self.required_min_rx, self.detect_mult, self.local_addr_n, self.peer_addr_n, is_ipv6=is_ipv6, bfd_key_id=bfd_key_id, conf_key_id=conf_key_id) self._test.registry.register(self, self.test.logger) def query_vpp_config(self): session = self.get_bfd_udp_session_dump_entry() return session is not None def remove_vpp_config(self): is_ipv6 = 1 if AF_INET6 == self._af else 0 self.test.vapi.bfd_udp_del(self._interface.sw_if_index, self.local_addr_n, self.peer_addr_n, is_ipv6=is_ipv6) def object_id(self): return "bfd-udp-%s-%s-%s-%s" % (self._interface.sw_if_index, self.local_addr, self.peer_addr, self.af) def __str__(self): return self.object_id() def admin_up(self): """ set bfd session admin-up """ is_ipv6 = 1 if AF_INET6 == self._af else 0 self.test.vapi.bfd_udp_session_set_flags(1, self._interface.sw_if_index, self.local_addr_n, self.peer_addr_n, is_ipv6=is_ipv6) def admin_down(self): """ set bfd session admin-down """ is_ipv6 = 1 if AF_INET6 == self._af else 0 self.test.vapi.bfd_udp_session_set_flags(0, self._interface.sw_if_index, self.local_addr_n, self.peer_addr_n, is_ipv6=is_ipv6)