static void
bfd_set_effective_desired_min_tx (bfd_main_t * bm,
bfd_session_t * bs, u64 now,
- u64 desired_min_tx_clocks,
- int handling_wakeup)
+ u64 desired_min_tx_clocks)
{
bs->effective_desired_min_tx_clocks = desired_min_tx_clocks;
BFD_DBG ("Set effective desired min tx to " BFD_CLK_FMT,
bfd_recalc_detection_time (bm, bs);
bfd_recalc_tx_interval (bm, bs);
bfd_calc_next_tx (bm, bs, now);
- bfd_set_timer (bm, bs, now, handling_wakeup);
}
static void
bfd_set_effective_required_min_rx (bfd_main_t * bm,
bfd_session_t * bs, u64 now,
- u64 required_min_rx_clocks,
- int handling_wakeup)
+ u64 required_min_rx_clocks)
{
bs->effective_required_min_rx_clocks = required_min_rx_clocks;
BFD_DBG ("Set effective required min rx to " BFD_CLK_FMT,
BFD_CLK_PRN (bs->effective_required_min_rx_clocks));
bfd_recalc_detection_time (bm, bs);
- bfd_set_timer (bm, bs, now, handling_wakeup);
}
static void
switch (bs->local_state)
{
case BFD_STATE_admin_down:
- bfd_set_effective_required_min_rx (bm, bs, now,
- bs->config_required_min_rx_clocks,
- handling_wakeup);
bfd_set_effective_desired_min_tx (bm, bs, now,
clib_max
(bs->config_desired_min_tx_clocks,
- bm->default_desired_min_tx_clocks),
- handling_wakeup);
+ bm->default_desired_min_tx_clocks));
+ bfd_set_effective_required_min_rx (bm, bs, now,
+ bs->config_required_min_rx_clocks);
+ bfd_set_timer (bm, bs, now, handling_wakeup);
break;
case BFD_STATE_down:
- bfd_set_effective_required_min_rx (bm, bs, now,
- bs->config_required_min_rx_clocks,
- handling_wakeup);
bfd_set_effective_desired_min_tx (bm, bs, now,
clib_max
(bs->config_desired_min_tx_clocks,
- bm->default_desired_min_tx_clocks),
- handling_wakeup);
+ bm->default_desired_min_tx_clocks));
+ bfd_set_effective_required_min_rx (bm, bs, now,
+ bs->config_required_min_rx_clocks);
+ bfd_set_timer (bm, bs, now, handling_wakeup);
break;
case BFD_STATE_init:
bfd_set_effective_desired_min_tx (bm, bs, now,
clib_max
(bs->config_desired_min_tx_clocks,
- bm->default_desired_min_tx_clocks),
- handling_wakeup);
+ bm->default_desired_min_tx_clocks));
+ bfd_set_timer (bm, bs, now, handling_wakeup);
break;
case BFD_STATE_up:
+ bfd_set_effective_desired_min_tx (bm, bs, now,
+ bs->config_desired_min_tx_clocks);
if (POLL_NOT_NEEDED == bs->poll_state)
{
bfd_set_effective_required_min_rx (bm, bs, now,
- bs->config_required_min_rx_clocks,
- handling_wakeup);
+ bs->config_required_min_rx_clocks);
}
- bfd_set_effective_desired_min_tx (bm, bs, now,
- bs->config_desired_min_tx_clocks,
- handling_wakeup);
+ bfd_set_timer (bm, bs, now, handling_wakeup);
break;
}
}
if (BFD_STATE_up == bs->local_state)
{
bfd_set_effective_required_min_rx (bm, bs, now,
- bs->config_required_min_rx_clocks,
- 0);
+ bs->config_required_min_rx_clocks);
bfd_recalc_detection_time (bm, bs);
+ bfd_set_timer (bm, bs, now, 0);
}
}
if (BFD_STATE_admin_down == bs->local_state)
static vlib_node_registration_t bfd_udp4_input_node;
static vlib_node_registration_t bfd_udp6_input_node;
+static vlib_node_registration_t bfd_udp_echo4_input_node;
+static vlib_node_registration_t bfd_udp_echo6_input_node;
bfd_udp_main_t bfd_udp_main;
BFD_UDP_INPUT_N_NEXT,
} bfd_udp_input_next_t;
-/* Packet counters */
+/* Packet counters - BFD control frames */
#define foreach_bfd_udp_error(F) \
F (NONE, "good bfd packets (processed)") \
- F (BAD, "invalid bfd packets") \
- F (DISABLED, "bfd packets received on disabled interfaces")
+ F (BAD, "invalid bfd packets")
#define F(sym, string) static char BFD_UDP_ERR_##sym##_STR[] = string;
foreach_bfd_udp_error (F);
BFD_UDP_N_ERROR,
} bfd_udp_error_t;
+/* Packet counters - BFD ECHO packets */
+#define foreach_bfd_udp_echo_error(F) \
+ F (NONE, "good bfd echo packets (processed)") \
+ F (BAD, "invalid bfd echo packets")
+
+#define F(sym, string) static char BFD_UDP_ECHO_ERR_##sym##_STR[] = string;
+foreach_bfd_udp_echo_error (F);
+#undef F
+
+static char *bfd_udp_echo_error_strings[] = {
+#define F(sym, string) BFD_UDP_ECHO_ERR_##sym##_STR,
+ foreach_bfd_udp_echo_error (F)
+#undef F
+};
+
+typedef enum
+{
+#define F(sym, str) BFD_UDP_ECHO_ERROR_##sym,
+ foreach_bfd_udp_echo_error (F)
+#undef F
+ BFD_UDP_ECHO_N_ERROR,
+} bfd_udp_echo_error_t;
+
static void
-bfd_udp4_find_headers (vlib_buffer_t * b, const ip4_header_t ** ip4,
- const udp_header_t ** udp)
+bfd_udp4_find_headers (vlib_buffer_t * b, ip4_header_t ** ip4,
+ udp_header_t ** udp)
{
/* sanity check first */
const i32 start = vnet_buffer (b)->ip.start_of_ip_header;
b->current_length, sizeof (*pkt));
return BFD_UDP_ERROR_BAD;
}
- const ip4_header_t *ip4;
- const udp_header_t *udp;
+ ip4_header_t *ip4;
+ udp_header_t *udp;
bfd_udp4_find_headers (b, &ip4, &udp);
if (!ip4 || !udp)
{
}
static void
-bfd_udp6_find_headers (vlib_buffer_t * b, const ip6_header_t ** ip6,
- const udp_header_t ** udp)
+bfd_udp6_find_headers (vlib_buffer_t * b, ip6_header_t ** ip6,
+ udp_header_t ** udp)
{
/* sanity check first */
const i32 start = vnet_buffer (b)->ip.start_of_ip_header;
b->current_length, sizeof (*pkt));
return BFD_UDP_ERROR_BAD;
}
- const ip6_header_t *ip6;
- const udp_header_t *udp;
+ ip6_header_t *ip6;
+ udp_header_t *udp;
bfd_udp6_find_headers (b, &ip6, &udp);
if (!ip6 || !udp)
{
};
/* *INDENT-ON* */
+/**
+ * @brief swap the source and destination IP addresses in the packet
+ */
+static int
+bfd_echo_address_swap (vlib_buffer_t * b, int is_ipv6)
+{
+ udp_header_t *dummy = NULL;
+ if (is_ipv6)
+ {
+ ip6_header_t *ip6 = NULL;
+ bfd_udp6_find_headers (b, &ip6, &dummy);
+ if (!ip6)
+ {
+ return 0;
+ }
+ ip6_address_t tmp = ip6->dst_address;
+ ip6->dst_address = ip6->src_address;
+ ip6->src_address = tmp;
+ vlib_buffer_advance (b,
+ (u8 *) ip6 - (u8 *) vlib_buffer_get_current (b));
+ }
+ else
+ {
+ ip4_header_t *ip4 = NULL;
+ bfd_udp4_find_headers (b, &ip4, &dummy);
+ if (!ip4)
+ {
+ return 0;
+ }
+ ip4_address_t tmp = ip4->dst_address;
+ ip4->dst_address = ip4->src_address;
+ ip4->src_address = tmp;
+ vlib_buffer_advance (b,
+ (u8 *) ip4 - (u8 *) vlib_buffer_get_current (b));
+ }
+ return 1;
+}
+
+/*
+ * Process a frame of bfd echo packets
+ * Expect 1 packet / frame
+ */
+static uword
+bfd_udp_echo_input (vlib_main_t * vm, vlib_node_runtime_t * rt,
+ vlib_frame_t * f, int is_ipv6)
+{
+ u32 n_left_from, *from;
+ bfd_input_trace_t *t0;
+
+ from = vlib_frame_vector_args (f); /* array of buffer indices */
+ n_left_from = f->n_vectors; /* number of buffer indices */
+
+ while (n_left_from > 0)
+ {
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0;
+
+ bi0 = from[0];
+ b0 = vlib_get_buffer (vm, bi0);
+
+ /* If this pkt is traced, snapshot the data */
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ int len;
+ t0 = vlib_add_trace (vm, rt, b0, sizeof (*t0));
+ len = (b0->current_length < sizeof (t0->data)) ? b0->current_length
+ : sizeof (t0->data);
+ t0->len = len;
+ clib_memcpy (t0->data, vlib_buffer_get_current (b0), len);
+ }
+
+ if (bfd_echo_address_swap (b0, is_ipv6))
+ {
+ /* loop back the packet */
+ b0->error = rt->errors[BFD_UDP_ERROR_NONE];
+ if (is_ipv6)
+ {
+ vlib_node_increment_counter (vm, bfd_udp_echo6_input_node.index,
+ b0->error, 1);
+ }
+ else
+ {
+ vlib_node_increment_counter (vm, bfd_udp_echo4_input_node.index,
+ b0->error, 1);
+ }
+ next0 = BFD_UDP_INPUT_NEXT_REPLY;
+ }
+ else
+ {
+ b0->error = rt->errors[BFD_UDP_ERROR_BAD];
+ next0 = BFD_UDP_INPUT_NEXT_NORMAL;
+ }
+
+ vlib_set_next_frame_buffer (vm, rt, next0, bi0);
+
+ from += 1;
+ n_left_from -= 1;
+ }
+
+ return f->n_vectors;
+}
+
+static uword
+bfd_udp_echo4_input (vlib_main_t * vm, vlib_node_runtime_t * rt,
+ vlib_frame_t * f)
+{
+ return bfd_udp_echo_input (vm, rt, f, 0);
+}
+
+u8 *
+bfd_echo_input_format_trace (u8 * s, va_list * args)
+{
+ CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
+ CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
+ const bfd_udp_echo_input_trace_t *t =
+ va_arg (*args, bfd_udp_echo_input_trace_t *);
+ if (t->len > STRUCT_SIZE_OF (bfd_pkt_t, head))
+ {
+ s = format (s, "BFD ECHO:\n");
+ s = format (s, " data: %U", format_hexdump, t->data, t->len);
+ }
+
+ return s;
+}
+
+/*
+ * bfd input graph node declaration
+ */
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (bfd_udp_echo4_input_node, static) = {
+ .function = bfd_udp_echo4_input,
+ .name = "bfd-udp-echo4-input",
+ .vector_size = sizeof (u32),
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = BFD_UDP_ECHO_N_ERROR,
+ .error_strings = bfd_udp_error_strings,
+
+ .format_trace = bfd_echo_input_format_trace,
+
+ .n_next_nodes = BFD_UDP_INPUT_N_NEXT,
+ .next_nodes =
+ {
+ [BFD_UDP_INPUT_NEXT_NORMAL] = "error-drop",
+ [BFD_UDP_INPUT_NEXT_REPLY] = "ip4-lookup",
+ },
+};
+/* *INDENT-ON* */
+
+static uword
+bfd_udp_echo6_input (vlib_main_t * vm, vlib_node_runtime_t * rt,
+ vlib_frame_t * f)
+{
+ return bfd_udp_echo_input (vm, rt, f, 1);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (bfd_udp_echo6_input_node, static) = {
+ .function = bfd_udp_echo6_input,
+ .name = "bfd-udp-echo6-input",
+ .vector_size = sizeof (u32),
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = BFD_UDP_ECHO_N_ERROR,
+ .error_strings = bfd_udp_echo_error_strings,
+
+ .format_trace = bfd_echo_input_format_trace,
+
+ .n_next_nodes = BFD_UDP_INPUT_N_NEXT,
+ .next_nodes =
+ {
+ [BFD_UDP_INPUT_NEXT_NORMAL] = "error-drop",
+ [BFD_UDP_INPUT_NEXT_REPLY] = "ip6-lookup",
+ },
+};
+
+/* *INDENT-ON* */
+
static clib_error_t *
bfd_sw_interface_up_down (vnet_main_t * vnm, u32 sw_if_index, u32 flags)
{
bfd_udp_main.bfd_main = &bfd_main;
udp_register_dst_port (vm, UDP_DST_PORT_bfd4, bfd_udp4_input_node.index, 1);
udp_register_dst_port (vm, UDP_DST_PORT_bfd6, bfd_udp6_input_node.index, 0);
+ udp_register_dst_port (vm, UDP_DST_PORT_bfd_echo4,
+ bfd_udp_echo4_input_node.index, 1);
+ udp_register_dst_port (vm, UDP_DST_PORT_bfd_echo6,
+ bfd_udp_echo6_input_node.index, 0);
return 0;
}
adj_index_t adj_index;
} bfd_udp_session_t;
+/* bfd udp echo packet trace capture */
+typedef struct
+{
+ u32 len;
+ u8 data[400];
+} bfd_udp_echo_input_trace_t;
+
struct bfd_session_s;
void bfd_add_udp4_transport (vlib_main_t * vm, vlib_buffer_t * b,
_ (67, dhcp_to_server) \
_ (68, dhcp_to_client) \
_ (500, ikev2) \
-_ (3784, bfd4) \
+_ (3784, bfd4) \
+_ (3785, bfd_echo4) \
_ (4341, lisp_gpe) \
_ (4342, lisp_cp) \
_ (4739, ipfix) \
#define foreach_udp6_dst_port \
_ (547, dhcpv6_to_server) \
_ (546, dhcpv6_to_client) \
-_ (3784, bfd6) \
+_ (3784, bfd6) \
+_ (3785, bfd_echo6) \
_ (4341, lisp_gpe6) \
_ (4342, lisp_cp6) \
_ (4790, vxlan6_gpe) \
from scapy.layers.inet import UDP
from scapy.packet import Packet
from scapy.fields import BitField, BitEnumField, XByteField, FlagsField,\
- ConditionalField, StrField
+ ConditionalField, StrField
from vpp_object import VppObject
from util import NumericConstant
""" 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
cls.pump_thread_stop_flag = Event()
cls.pump_thread_wakeup_pipe = os.pipe()
cls.pump_thread = Thread(target=pump_output, args=(cls,))
+ cls.pump_thread.daemon = True
cls.pump_thread.start()
cls.vapi = VppPapiProvider(cls.shm_prefix, cls.shm_prefix, cls)
if cls.step:
import time
from random import randint, shuffle
from socket import AF_INET, AF_INET6
+from scapy.packet import Raw
from scapy.layers.l2 import Ether
from scapy.layers.inet import UDP, IP
from scapy.layers.inet6 import IPv6
def test_no_periodic_if_remote_demand(self):
""" no periodic frames outside poll sequence if remote demand set """
- self.test_session.update(detect_mult=10)
bfd_session_up(self)
demand = self.test_session.create_packet()
demand[BFD].flags = "D"
self.test_session.desired_min_tx) \
/ USEC_IN_SEC
count = 0
- for dummy in range(self.test_session.detect_mult):
+ for dummy in range(self.test_session.detect_mult * 2):
time.sleep(transmit_time)
self.test_session.send_packet(demand)
try:
self.assert_equal(count, 0, "number of packets received")
self.assert_equal(len(events), 0, "number of events received")
+ def test_echo_looped_back(self):
+ """ echo packets looped back """
+ # don't need a session in this case..
+ self.vpp_session.remove_vpp_config()
+ self.pg0.enable_capture()
+ echo_packet_count = 10
+ # random source port low enough to increment a few times..
+ udp_sport_tx = randint(1, 50000)
+ udp_sport_rx = udp_sport_tx
+ echo_packet = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4,
+ dst=self.pg0.local_ip4) /
+ UDP(dport=BFD.udp_dport_echo) /
+ Raw("this should be looped back"))
+ for dummy in range(echo_packet_count):
+ self.sleep(.01, "delay between echo packets")
+ echo_packet[UDP].sport = udp_sport_tx
+ udp_sport_tx += 1
+ self.logger.debug(ppp("Sending packet:", echo_packet))
+ self.pg0.add_stream(echo_packet)
+ self.pg_start()
+ for dummy in range(echo_packet_count):
+ p = self.pg0.wait_for_packet(1)
+ self.logger.debug(ppp("Got packet:", p))
+ ether = p[Ether]
+ self.assert_equal(self.pg0.remote_mac,
+ ether.dst, "Destination MAC")
+ self.assert_equal(self.pg0.local_mac, ether.src, "Source MAC")
+ ip = p[IP]
+ self.assert_equal(self.pg0.remote_ip4, ip.dst, "Destination IP")
+ self.assert_equal(self.pg0.local_ip4, ip.src, "Destination IP")
+ udp = p[UDP]
+ self.assert_equal(udp.dport, BFD.udp_dport_echo,
+ "UDP destination port")
+ self.assert_equal(udp.sport, udp_sport_rx, "UDP source port")
+ udp_sport_rx += 1
+ self.assertTrue(p.haslayer(Raw) and p[Raw] == echo_packet[Raw],
+ "Received packet is not the echo packet sent")
+ self.assert_equal(udp_sport_tx, udp_sport_rx, "UDP source port (== "
+ "ECHO packet identifier for test purposes)")
+
class BFD6TestCase(VppTestCase):
"""Bidirectional Forwarding Detection (BFD) (IPv6) """
def test_hold_up(self):
""" hold BFD session up """
bfd_session_up(self)
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
wait_for_bfd_packet(self)
self.test_session.send_packet()
self.assert_equal(len(self.vapi.collect_events()), 0,
"number of bfd events")
self.assert_equal(self.vpp_session.state, BFDState.up, BFDState)
+ def test_echo_looped_back(self):
+ """ echo packets looped back """
+ # don't need a session in this case..
+ self.vpp_session.remove_vpp_config()
+ self.pg0.enable_capture()
+ echo_packet_count = 10
+ # random source port low enough to increment a few times..
+ udp_sport_tx = randint(1, 50000)
+ udp_sport_rx = udp_sport_tx
+ echo_packet = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac) /
+ IPv6(src=self.pg0.remote_ip6,
+ dst=self.pg0.local_ip6) /
+ UDP(dport=BFD.udp_dport_echo) /
+ Raw("this should be looped back"))
+ for dummy in range(echo_packet_count):
+ self.sleep(.01, "delay between echo packets")
+ echo_packet[UDP].sport = udp_sport_tx
+ udp_sport_tx += 1
+ self.logger.debug(ppp("Sending packet:", echo_packet))
+ self.pg0.add_stream(echo_packet)
+ self.pg_start()
+ for dummy in range(echo_packet_count):
+ p = self.pg0.wait_for_packet(1)
+ self.logger.debug(ppp("Got packet:", p))
+ ether = p[Ether]
+ self.assert_equal(self.pg0.remote_mac,
+ ether.dst, "Destination MAC")
+ self.assert_equal(self.pg0.local_mac, ether.src, "Source MAC")
+ ip = p[IPv6]
+ self.assert_equal(self.pg0.remote_ip6, ip.dst, "Destination IP")
+ self.assert_equal(self.pg0.local_ip6, ip.src, "Destination IP")
+ udp = p[UDP]
+ self.assert_equal(udp.dport, BFD.udp_dport_echo,
+ "UDP destination port")
+ self.assert_equal(udp.sport, udp_sport_rx, "UDP source port")
+ udp_sport_rx += 1
+ self.assertTrue(p.haslayer(Raw) and p[Raw] == echo_packet[Raw],
+ "Received packet is not the echo packet sent")
+ self.assert_equal(udp_sport_tx, udp_sport_rx, "UDP source port (== "
+ "ECHO packet identifier for test purposes)")
+
class BFDSHA1TestCase(VppTestCase):
"""Bidirectional Forwarding Detection (BFD) (SHA1 auth) """
self, self.pg0, AF_INET, sha1_key=key,
bfd_key_id=self.vpp_session.bfd_key_id)
bfd_session_up(self)
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
wait_for_bfd_packet(self)
self.test_session.send_packet()
self.assert_equal(self.vpp_session.state, BFDState.up, BFDState)
self.vpp_session.admin_up()
self.test_session = BFDTestSession(self, self.pg0, AF_INET)
bfd_session_up(self)
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
p = wait_for_bfd_packet(self)
self.assert_equal(p[BFD].state, BFDState.up, BFDState)
self.test_session.send_packet()
self.vpp_session.activate_auth(key)
self.test_session.bfd_key_id = self.vpp_session.bfd_key_id
self.test_session.sha1_key = key
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
p = wait_for_bfd_packet(self)
self.assert_equal(p[BFD].state, BFDState.up, BFDState)
self.test_session.send_packet()
bfd_key_id=self.vpp_session.bfd_key_id)
bfd_session_up(self)
# self.vapi.want_bfd_events(enable_disable=0)
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
p = wait_for_bfd_packet(self)
self.assert_equal(p[BFD].state, BFDState.up, BFDState)
self.test_session.inc_seq_num()
self.vpp_session.deactivate_auth()
self.test_session.bfd_key_id = None
self.test_session.sha1_key = None
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
p = wait_for_bfd_packet(self)
self.assert_equal(p[BFD].state, BFDState.up, BFDState)
self.test_session.inc_seq_num()
self, self.pg0, AF_INET, sha1_key=key1,
bfd_key_id=self.vpp_session.bfd_key_id)
bfd_session_up(self)
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
p = wait_for_bfd_packet(self)
self.assert_equal(p[BFD].state, BFDState.up, BFDState)
self.test_session.send_packet()
self.vpp_session.activate_auth(key2)
self.test_session.bfd_key_id = self.vpp_session.bfd_key_id
self.test_session.sha1_key = key2
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
p = wait_for_bfd_packet(self)
self.assert_equal(p[BFD].state, BFDState.up, BFDState)
self.test_session.send_packet()
self.vpp_session.admin_up()
self.test_session = BFDTestSession(self, self.pg0, AF_INET)
bfd_session_up(self)
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
wait_for_bfd_packet(self)
self.test_session.send_packet()
self.vpp_session.activate_auth(key, delayed=True)
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
p = wait_for_bfd_packet(self)
self.assert_equal(p[BFD].state, BFDState.up, BFDState)
self.test_session.send_packet()
self.test_session.bfd_key_id = self.vpp_session.bfd_key_id
self.test_session.sha1_key = key
self.test_session.send_packet()
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
p = wait_for_bfd_packet(self)
self.assert_equal(p[BFD].state, BFDState.up, BFDState)
self.test_session.send_packet()
self, self.pg0, AF_INET, sha1_key=key,
bfd_key_id=self.vpp_session.bfd_key_id)
bfd_session_up(self)
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
p = wait_for_bfd_packet(self)
self.assert_equal(p[BFD].state, BFDState.up, BFDState)
self.test_session.send_packet()
self.vpp_session.deactivate_auth(delayed=True)
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
p = wait_for_bfd_packet(self)
self.assert_equal(p[BFD].state, BFDState.up, BFDState)
self.test_session.send_packet()
self.test_session.bfd_key_id = None
self.test_session.sha1_key = None
self.test_session.send_packet()
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
p = wait_for_bfd_packet(self)
self.assert_equal(p[BFD].state, BFDState.up, BFDState)
self.test_session.send_packet()
self, self.pg0, AF_INET, sha1_key=key1,
bfd_key_id=self.vpp_session.bfd_key_id)
bfd_session_up(self)
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
p = wait_for_bfd_packet(self)
self.assert_equal(p[BFD].state, BFDState.up, BFDState)
self.test_session.send_packet()
self.vpp_session.activate_auth(key2, delayed=True)
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
p = wait_for_bfd_packet(self)
self.assert_equal(p[BFD].state, BFDState.up, BFDState)
self.test_session.send_packet()
self.test_session.bfd_key_id = self.vpp_session.bfd_key_id
self.test_session.sha1_key = key2
self.test_session.send_packet()
- for dummy in range(self.test_session.detect_mult*2):
+ for dummy in range(self.test_session.detect_mult * 2):
p = wait_for_bfd_packet(self)
self.assert_equal(p[BFD].state, BFDState.up, BFDState)
self.test_session.send_packet()
Code Review / vpp.git / commitdiff