vnet/bfd/bfd_udp.c \
vnet/bfd/bfd_main.c \
vnet/bfd/bfd_protocol.c \
+ vnet/bfd/bfd_cli.c \
vnet/bfd/bfd_api.c
API_FILES += vnet/bfd/bfd.api
_(ADDRESS_NOT_FOUND_FOR_INTERFACE, -60, "Address not found for interface") \
_(ADDRESS_NOT_LINK_LOCAL, -61, "Address not link-local") \
_(IP6_NOT_ENABLED, -62, "ip6 not enabled") \
-_(ADDRESS_MATCHES_INTERFACE_ADDRESS, -63, "Address matches interface address") \
_(IN_PROGRESS, 10, "Operation in progress") \
_(NO_SUCH_NODE, -63, "No such graph node") \
_(NO_SUCH_NODE2, -64, "No such graph node #2") \
u32 context;
};
-/** \brief Delete BFD feature response
+/** \brief Delete BFD echo source response
@param context - sender context, to match reply w/ request
@param retval - return code for the request
*/
i32 retval;
};
-/** \brief Get BFD configuration
-*/
-define bfd_get_config
-{
- u32 client_index;
- u32 context;
-};
-
-/** \brief Get BFD configuration response
- @param context - sender context, to match reply w/ request
- @param retval - return code for the request
- @param slow_timer - slow timer (seconds)
- @param min_tx - desired min tx interval
- @param min_rx - desired min rx interval
- @param detect_mult - desired detection multiplier
-*/
-define bfd_get_config_reply
-{
- u32 client_index;
- u32 context;
- u32 slow_timer;
- u32 min_tx;
- u32 min_rx;
- u8 detect_mult;
-};
-
/** \brief Add UDP BFD session on interface
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
bfd_udp_key_t *key = &bus->key;
mp->sw_if_index = clib_host_to_net_u32 (key->sw_if_index);
mp->is_ipv6 = !(ip46_address_is_ip4 (&key->local_addr));
+ if ((!bs->auth.is_delayed && bs->auth.curr_key) ||
+ (bs->auth.is_delayed && bs->auth.next_key))
+ {
+ mp->is_authenticated = 1;
+ }
+ if (bs->auth.is_delayed && bs->auth.next_key)
+ {
+ mp->bfd_key_id = bs->auth.next_bfd_key_id;
+ mp->conf_key_id = clib_host_to_net_u32 (bs->auth.next_key->conf_key_id);
+ }
+ else if (!bs->auth.is_delayed && bs->auth.curr_key)
+ {
+ mp->bfd_key_id = bs->auth.curr_bfd_key_id;
+ mp->conf_key_id = clib_host_to_net_u32 (bs->auth.curr_key->conf_key_id);
+ }
if (mp->is_ipv6)
{
clib_memcpy (mp->local_addr, &key->local_addr,
BFD_UDP_API_PARAM_COMMON_CODE;
- rv =
- bfd_udp_auth_activate (BFD_UDP_API_PARAM_FROM_MP (mp),
- clib_net_to_host_u32 (mp->conf_key_id),
- mp->bfd_key_id, mp->is_delayed);
+ rv = bfd_udp_auth_activate (BFD_UDP_API_PARAM_FROM_MP (mp),
+ clib_net_to_host_u32 (mp->conf_key_id),
+ mp->bfd_key_id, mp->is_delayed);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_BFD_UDP_AUTH_ACTIVATE_REPLY);
#include <vnet/api_errno.h>
#include <vnet/vnet.h>
#include <vnet/ip/ip6_packet.h>
-#include <vnet/bfd/bfd_udp.h>
#define foreach_bfd_transport(F) \
F (UDP4, "ip4-rewrite") \
--- /dev/null
+/*
+ * Copyright (c) 2011-2016 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.
+ */
+/**
+ * @file
+ * @brief BFD CLI implementation
+ */
+
+#include <vlib/vlib.h>
+#include <vlib/cli.h>
+#include <vppinfra/format.h>
+#include <vnet/api_errno.h>
+#include <vnet/ip/format.h>
+#include <vnet/bfd/bfd_api.h>
+#include <vnet/bfd/bfd_main.h>
+
+static u8 *
+format_bfd_session_cli (u8 * s, va_list * args)
+{
+ bfd_main_t *bm = va_arg (*args, bfd_main_t *);
+ bfd_session_t *bs = va_arg (*args, bfd_session_t *);
+ switch (bs->transport)
+ {
+ case BFD_TRANSPORT_UDP4:
+ s = format (s, "%=10u %-32s %20U %20U\n", bs->bs_idx, "IPv4 address",
+ format_ip4_address, bs->udp.key.local_addr.ip4.as_u8,
+ format_ip4_address, bs->udp.key.peer_addr.ip4.as_u8);
+ break;
+ case BFD_TRANSPORT_UDP6:
+ s = format (s, "%=10u %-32s %20U %20U\n", bs->bs_idx, "IPv6 address",
+ format_ip6_address, &bs->udp.key.local_addr.ip6,
+ format_ip6_address, &bs->udp.key.peer_addr.ip6);
+ break;
+ }
+ s = format (s, "%10s %-32s %20s %20s\n", "", "Session state",
+ bfd_state_string (bs->local_state),
+ bfd_state_string (bs->remote_state));
+ s = format (s, "%10s %-32s %20s %20s\n", "", "Diagnostic code",
+ bfd_diag_code_string (bs->local_diag),
+ bfd_diag_code_string (bs->remote_diag));
+ s = format (s, "%10s %-32s %20u %20u\n", "", "Detect multiplier",
+ bs->local_detect_mult, bs->remote_detect_mult);
+ s = format (s, "%10s %-32s %20u %20u\n", "",
+ "Required Min Rx Interval (usec)",
+ bs->config_required_min_rx_usec, bs->remote_min_rx_usec);
+ s = format (s, "%10s %-32s %20u %20u\n", "",
+ "Desired Min Tx Interval (usec)",
+ bs->config_desired_min_tx_usec, bfd_clocks_to_usec (bm,
+ bs->remote_desired_min_tx_clocks));
+ s =
+ format (s, "%10s %-32s %20u\n", "", "Transmit interval",
+ bfd_clocks_to_usec (bm, bs->transmit_interval_clocks));
+ s =
+ format (s, "%10s %-32s %20s %20s\n", "", "Demand mode", "no",
+ bs->remote_demand ? "yes" : "no");
+ s =
+ format (s, "%10s %-32s %20s\n", "", "Poll state",
+ bfd_poll_state_string (bs->poll_state));
+ if (bs->auth.curr_key)
+ {
+ s = format (s, "%10s %-32s %20u\n", "", "Authentication config key ID",
+ bs->auth.curr_key->conf_key_id);
+ s = format (s, "%10s %-32s %20u\n", "", "Authentication BFD key ID",
+ bs->auth.curr_bfd_key_id);
+ }
+ return s;
+}
+
+static clib_error_t *
+show_bfd (vlib_main_t * vm, unformat_input_t * input,
+ CLIB_UNUSED (vlib_cli_command_t * lmd))
+{
+ bfd_main_t *bm = &bfd_main;
+ bfd_session_t *bs = NULL;
+
+ if (unformat (input, "keys"))
+ {
+ bfd_auth_key_t *key = NULL;
+ u8 *s = format (NULL, "%=10s %=25s %=10s\n", "Configuration Key ID",
+ "Type", "Use Count");
+ /* *INDENT-OFF* */
+ pool_foreach (key, bm->auth_keys, {
+ s = format (s, "%10u %-25s %10u\n", key->conf_key_id,
+ bfd_auth_type_str (key->auth_type), key->use_count);
+ });
+ /* *INDENT-ON* */
+ vlib_cli_output (vm, "%v\n", s);
+ vlib_cli_output (vm, "Number of configured BFD keys: %lu\n",
+ (u64) pool_elts (bm->auth_keys));
+ }
+ else if (unformat (input, "sessions"))
+ {
+ u8 *s = format (NULL, "%=10s %=32s %=20s %=20s\n", "Index", "Property",
+ "Local value", "Remote value");
+ /* *INDENT-OFF* */
+ pool_foreach (bs, bm->sessions,
+ { s = format (s, "%U", format_bfd_session_cli, bm, bs); });
+ /* *INDENT-ON* */
+ vlib_cli_output (vm, "%v", s);
+ vec_free (s);
+ vlib_cli_output (vm, "Number of configured BFD sessions: %lu\n",
+ (u64) pool_elts (bm->sessions));
+ }
+ else if (unformat (input, "echo-source"))
+ {
+ int is_set;
+ u32 sw_if_index;
+ int have_usable_ip4;
+ ip4_address_t ip4;
+ int have_usable_ip6;
+ ip6_address_t ip6;
+ bfd_udp_get_echo_source (&is_set, &sw_if_index, &have_usable_ip4, &ip4,
+ &have_usable_ip6, &ip6);
+ if (is_set)
+ {
+ vnet_sw_interface_t *sw_if =
+ vnet_get_sw_interface_safe (&vnet_main, sw_if_index);
+ vnet_hw_interface_t *hw_if =
+ vnet_get_hw_interface (&vnet_main, sw_if->hw_if_index);
+ u8 *s = format (NULL, "UDP echo source is: %v\n", hw_if->name);
+ s = format (s, "IPv4 address usable as echo source: ");
+ if (have_usable_ip4)
+ {
+ s = format (s, "%U\n", format_ip4_address, &ip4);
+ }
+ else
+ {
+ s = format (s, "none\n");
+ }
+ s = format (s, "IPv6 address usable as echo source: ");
+ if (have_usable_ip6)
+ {
+ s = format (s, "%U\n", format_ip6_address, &ip6);
+ }
+ else
+ {
+ s = format (s, "none\n");
+ }
+ vlib_cli_output (vm, "%v", s);
+ vec_free (s);
+ }
+ else
+ {
+ vlib_cli_output (vm, "UDP echo source is not set.\n");
+ }
+ }
+ else
+ {
+ vlib_cli_output (vm, "Number of configured BFD sessions: %lu\n",
+ (u64) pool_elts (bm->sessions));
+ vlib_cli_output (vm, "Number of configured BFD keys: %lu\n",
+ (u64) pool_elts (bm->auth_keys));
+ }
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_bfd_command, static) = {
+ .path = "show bfd",
+ .short_help = "show bfd [keys|sessions|echo-source]",
+ .function = show_bfd,
+};
+/* *INDENT-ON* */
+
+static u8 *
+format_vnet_api_errno (u8 * s, va_list * args)
+{
+ vnet_api_error_t api_error = va_arg (*args, vnet_api_error_t);
+#define _(a, b, c) \
+ case b: \
+ s = format (s, "%s", c); \
+ break;
+ switch (api_error)
+ {
+ foreach_vnet_api_error default:s = format (s, "UNKNOWN");
+ break;
+ }
+ return s;
+}
+
+static clib_error_t *
+bfd_cli_key_add (vlib_main_t * vm, unformat_input_t * input,
+ CLIB_UNUSED (vlib_cli_command_t * lmd))
+{
+ clib_error_t *ret = NULL;
+ int have_key_id = 0;
+ u32 key_id = 0;
+ u8 *vec_auth_type = NULL;
+ bfd_auth_type_e auth_type = BFD_AUTH_TYPE_reserved;
+ u8 *secret = NULL;
+ static const u8 keyed_sha1[] = "keyed-sha1";
+ static const u8 meticulous_keyed_sha1[] = "meticulous-keyed-sha1";
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "conf-key-id %u", &key_id))
+ {
+ have_key_id = 1;
+ }
+ else if (unformat (input, "type %U", unformat_token, "a-zA-Z0-9-",
+ &vec_auth_type))
+ {
+ if (vec_len (vec_auth_type) == sizeof (keyed_sha1) - 1 &&
+ 0 == memcmp (vec_auth_type, keyed_sha1,
+ sizeof (keyed_sha1) - 1))
+ {
+ auth_type = BFD_AUTH_TYPE_keyed_sha1;
+ }
+ else if (vec_len (vec_auth_type) ==
+ sizeof (meticulous_keyed_sha1) - 1 &&
+ 0 == memcmp (vec_auth_type, meticulous_keyed_sha1,
+ sizeof (meticulous_keyed_sha1) - 1))
+ {
+ auth_type = BFD_AUTH_TYPE_meticulous_keyed_sha1;
+ }
+ else
+ {
+ ret = clib_error_return (0, "invalid type `%v'", vec_auth_type);
+ goto out;
+ }
+ }
+ else if (unformat (input, "secret %U", unformat_hex_string, &secret))
+ {
+ /* nothing to do here */
+ }
+ else
+ {
+ ret = clib_error_return (0, "Unknown input `%U'",
+ format_unformat_error, input);
+ goto out;
+ }
+ }
+
+ if (!have_key_id)
+ {
+ ret =
+ clib_error_return (0, "required parameter missing: `conf-key-id'");
+ goto out;
+ }
+ if (!vec_auth_type)
+ {
+ ret = clib_error_return (0, "required parameter missing: `type'");
+ goto out;
+ }
+ if (!secret)
+ {
+ ret = clib_error_return (0, "required parameter missing: `secret'");
+ goto out;
+ }
+
+ vnet_api_error_t rv =
+ bfd_auth_set_key (key_id, auth_type, vec_len (secret), secret);
+ if (rv)
+ {
+ ret =
+ clib_error_return (0, "`bfd_auth_set_key' API call failed, rv=%d:%U",
+ (int) rv, format_vnet_api_errno, rv);
+ }
+
+out:
+ vec_free (vec_auth_type);
+ return ret;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (bfd_cli_key_add_command, static) = {
+ .path = "bfd key set",
+ .short_help = "bfd key set"
+ " conf-key-id <id>"
+ " type <keyed-sha1|meticulous-keyed-sha1> "
+ " secret <secret>",
+ .function = bfd_cli_key_add,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+bfd_cli_key_del (vlib_main_t * vm, unformat_input_t * input,
+ CLIB_UNUSED (vlib_cli_command_t * lmd))
+{
+ clib_error_t *ret = NULL;
+ u32 key_id = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (!unformat (input, "conf-key-id %u", &key_id))
+ {
+ ret = clib_error_return (0, "Unknown input `%U'",
+ format_unformat_error, input);
+ goto out;
+ }
+ }
+
+ vnet_api_error_t rv = bfd_auth_del_key (key_id);
+ if (rv)
+ {
+ ret =
+ clib_error_return (0, "`bfd_auth_del_key' API call failed, rv=%d:%U",
+ (int) rv, format_vnet_api_errno, rv);
+ }
+
+out:
+ return ret;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (bfd_cli_key_del_command, static) = {
+ .path = "bfd key del",
+ .short_help = "bfd key del conf-key-id <id>",
+ .function = bfd_cli_key_del,
+};
+/* *INDENT-ON* */
+
+#define INTERFACE_STR "interface"
+#define LOCAL_ADDR_STR "local-addr"
+#define PEER_ADDR_STR "peer-addr"
+#define CONF_KEY_ID_STR "conf-key-id"
+#define BFD_KEY_ID_STR "bfd-key-id"
+#define DESIRED_MIN_TX_STR "desired-min-tx"
+#define REQUIRED_MIN_RX_STR "required-min-rx"
+#define DETECT_MULT_STR "detect-mult"
+#define ADMIN_STR "admin"
+#define DELAYED_STR "delayed"
+
+static const unsigned mandatory = 1;
+static const unsigned optional = 0;
+
+#define DECLARE(t, n, s, r, ...) \
+ int have_##n = 0; \
+ t n;
+
+#define UNFORMAT(t, n, s, r, ...) \
+ if (unformat (input, s " " __VA_ARGS__, &n)) \
+ { \
+ something_parsed = 1; \
+ have_##n = 1; \
+ }
+
+#define CHECK_MANDATORY(t, n, s, r, ...) \
+ if (mandatory == r && !have_##n) \
+ { \
+ ret = clib_error_return (0, "Required parameter `%s' missing.", n); \
+ goto out; \
+ }
+
+static clib_error_t *
+bfd_cli_udp_session_add (vlib_main_t * vm, unformat_input_t * input,
+ CLIB_UNUSED (vlib_cli_command_t * lmd))
+{
+ clib_error_t *ret = NULL;
+#define foreach_bfd_cli_udp_session_add_cli_param(F) \
+ F (u32, sw_if_index, INTERFACE_STR, mandatory, "%U", \
+ unformat_vnet_sw_interface, &vnet_main) \
+ F (ip46_address_t, local_addr, LOCAL_ADDR_STR, mandatory, "%U", \
+ unformat_ip46_address) \
+ F (ip46_address_t, peer_addr, PEER_ADDR_STR, mandatory, "%U", \
+ unformat_ip46_address) \
+ F (u32, desired_min_tx, DESIRED_MIN_TX_STR, mandatory, "%u") \
+ F (u32, required_min_rx, REQUIRED_MIN_RX_STR, mandatory, "%u") \
+ F (u32, detect_mult, DETECT_MULT_STR, mandatory, "%u") \
+ F (u32, conf_key_id, CONF_KEY_ID_STR, optional, "%u") \
+ F (u32, bfd_key_id, BFD_KEY_ID_STR, optional, "%u")
+
+ foreach_bfd_cli_udp_session_add_cli_param (DECLARE);
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ int something_parsed = 0;
+ foreach_bfd_cli_udp_session_add_cli_param (UNFORMAT);
+
+ if (!something_parsed)
+ {
+ ret = clib_error_return (0, "Unknown input `%U'",
+ format_unformat_error, input);
+ goto out;
+ }
+ }
+
+ foreach_bfd_cli_udp_session_add_cli_param (CHECK_MANDATORY);
+
+ if (1 == have_conf_key_id + have_bfd_key_id)
+ {
+ ret = clib_error_return (0, "Incompatible parameter combination, `%s' "
+ "and `%s' must be either both specified or none",
+ CONF_KEY_ID_STR, BFD_KEY_ID_STR);
+ goto out;
+ }
+
+ if (detect_mult > 255)
+ {
+ ret = clib_error_return (0, "%s value `%u' out of range <1,255>",
+ DETECT_MULT_STR, detect_mult);
+ goto out;
+ }
+
+ if (have_bfd_key_id && bfd_key_id > 255)
+ {
+ ret = clib_error_return (0, "%s value `%u' out of range <1,255>",
+ BFD_KEY_ID_STR, bfd_key_id);
+ goto out;
+ }
+
+ vnet_api_error_t rv =
+ bfd_udp_add_session (sw_if_index, &local_addr, &peer_addr, desired_min_tx,
+ required_min_rx,
+ detect_mult, have_conf_key_id, conf_key_id,
+ bfd_key_id);
+ if (rv)
+ {
+ ret =
+ clib_error_return (0,
+ "`bfd_add_add_session' API call failed, rv=%d:%U",
+ (int) rv, format_vnet_api_errno, rv);
+ goto out;
+ }
+
+out:
+ return ret;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (bfd_cli_udp_session_add_command, static) = {
+ .path = "bfd udp session add",
+ .short_help = "bfd udp session add"
+ " interface <interface>"
+ " local-addr <local-address>"
+ " peer-addr <peer-address>"
+ " desired-min-tx <desired min tx interval>"
+ " required-min-rx <required min rx interval>"
+ " detect-mult <detect multiplier> "
+ "["
+ " conf-key-id <config key ID>"
+ " bfd-key-id <BFD key ID>"
+ "]",
+ .function = bfd_cli_udp_session_add,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+bfd_cli_udp_session_mod (vlib_main_t * vm, unformat_input_t * input,
+ CLIB_UNUSED (vlib_cli_command_t * lmd))
+{
+ clib_error_t *ret = NULL;
+#define foreach_bfd_cli_udp_session_mod_cli_param(F) \
+ F (u32, sw_if_index, INTERFACE_STR, mandatory, "%U", \
+ unformat_vnet_sw_interface, &vnet_main) \
+ F (ip46_address_t, local_addr, LOCAL_ADDR_STR, mandatory, "%U", \
+ unformat_ip46_address) \
+ F (ip46_address_t, peer_addr, PEER_ADDR_STR, mandatory, "%U", \
+ unformat_ip46_address) \
+ F (u32, desired_min_tx, DESIRED_MIN_TX_STR, mandatory, "%u") \
+ F (u32, required_min_rx, REQUIRED_MIN_RX_STR, mandatory, "%u") \
+ F (u32, detect_mult, DETECT_MULT_STR, mandatory, "%u")
+
+ foreach_bfd_cli_udp_session_mod_cli_param (DECLARE);
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ int something_parsed = 0;
+ foreach_bfd_cli_udp_session_mod_cli_param (UNFORMAT);
+
+ if (!something_parsed)
+ {
+ ret = clib_error_return (0, "Unknown input `%U'",
+ format_unformat_error, input);
+ goto out;
+ }
+ }
+
+ foreach_bfd_cli_udp_session_mod_cli_param (CHECK_MANDATORY);
+
+ if (detect_mult > 255)
+ {
+ ret = clib_error_return (0, "%s value `%u' out of range <1,255>",
+ DETECT_MULT_STR, detect_mult);
+ goto out;
+ }
+
+ vnet_api_error_t rv =
+ bfd_udp_mod_session (sw_if_index, &local_addr, &peer_addr,
+ desired_min_tx, required_min_rx, detect_mult);
+ if (rv)
+ {
+ ret =
+ clib_error_return (0,
+ "`bfd_udp_mod_session' API call failed, rv=%d:%U",
+ (int) rv, format_vnet_api_errno, rv);
+ goto out;
+ }
+
+out:
+ return ret;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (bfd_cli_udp_session_mod_command, static) = {
+ .path = "bfd udp session mod",
+ .short_help = "bfd udp session mod interface"
+ " <interface> local-addr"
+ " <local-address> peer-addr"
+ " <peer-address> desired-min-tx"
+ " <desired min tx interval> required-min-rx"
+ " <required min rx interval> detect-mult"
+ " <detect multiplier> ",
+ .function = bfd_cli_udp_session_mod,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+bfd_cli_udp_session_del (vlib_main_t * vm, unformat_input_t * input,
+ CLIB_UNUSED (vlib_cli_command_t * lmd))
+{
+ clib_error_t *ret = NULL;
+#define foreach_bfd_cli_udp_session_del_cli_param(F) \
+ F (u32, sw_if_index, INTERFACE_STR, mandatory, "%U", \
+ unformat_vnet_sw_interface, &vnet_main) \
+ F (ip46_address_t, local_addr, LOCAL_ADDR_STR, mandatory, "%U", \
+ unformat_ip46_address) \
+ F (ip46_address_t, peer_addr, PEER_ADDR_STR, mandatory, "%U", \
+ unformat_ip46_address)
+
+ foreach_bfd_cli_udp_session_del_cli_param (DECLARE);
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ int something_parsed = 0;
+ foreach_bfd_cli_udp_session_del_cli_param (UNFORMAT);
+
+ if (!something_parsed)
+ {
+ ret = clib_error_return (0, "Unknown input `%U'",
+ format_unformat_error, input);
+ goto out;
+ }
+ }
+
+ foreach_bfd_cli_udp_session_del_cli_param (CHECK_MANDATORY);
+
+ vnet_api_error_t rv =
+ bfd_udp_del_session (sw_if_index, &local_addr, &peer_addr);
+ if (rv)
+ {
+ ret =
+ clib_error_return (0,
+ "`bfd_udp_del_session' API call failed, rv=%d:%U",
+ (int) rv, format_vnet_api_errno, rv);
+ goto out;
+ }
+
+out:
+ return ret;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (bfd_cli_udp_session_del_command, static) = {
+ .path = "bfd udp session del",
+ .short_help = "bfd udp session del interface"
+ " <interface> local-addr"
+ " <local-address> peer-addr"
+ "<peer-address> ",
+ .function = bfd_cli_udp_session_del,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+bfd_cli_udp_session_set_flags (vlib_main_t * vm, unformat_input_t * input,
+ CLIB_UNUSED (vlib_cli_command_t * lmd))
+{
+ clib_error_t *ret = NULL;
+#define foreach_bfd_cli_udp_session_set_flags_cli_param(F) \
+ F (u32, sw_if_index, INTERFACE_STR, mandatory, "%U", \
+ unformat_vnet_sw_interface, &vnet_main) \
+ F (ip46_address_t, local_addr, LOCAL_ADDR_STR, mandatory, "%U", \
+ unformat_ip46_address) \
+ F (ip46_address_t, peer_addr, PEER_ADDR_STR, mandatory, "%U", \
+ unformat_ip46_address) \
+ F (u8 *, admin_up_down_token, ADMIN_STR, mandatory, "%v", \
+ &admin_up_down_token)
+
+ foreach_bfd_cli_udp_session_set_flags_cli_param (DECLARE);
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ int something_parsed = 0;
+ foreach_bfd_cli_udp_session_set_flags_cli_param (UNFORMAT);
+
+ if (!something_parsed)
+ {
+ ret = clib_error_return (0, "Unknown input `%U'",
+ format_unformat_error, input);
+ goto out;
+ }
+ }
+
+ foreach_bfd_cli_udp_session_set_flags_cli_param (CHECK_MANDATORY);
+
+ u8 admin_up_down;
+ static const char up[] = "up";
+ static const char down[] = "down";
+ if (!memcmp (admin_up_down_token, up, sizeof (up) - 1))
+ {
+ admin_up_down = 1;
+ }
+ else if (!memcmp (admin_up_down_token, down, sizeof (down) - 1))
+ {
+ admin_up_down = 0;
+ }
+ else
+ {
+ ret =
+ clib_error_return (0, "Unrecognized value for `%s' parameter: `%v'",
+ ADMIN_STR, admin_up_down_token);
+ goto out;
+ }
+ vnet_api_error_t rv = bfd_udp_session_set_flags (sw_if_index, &local_addr,
+ &peer_addr, admin_up_down);
+ if (rv)
+ {
+ ret =
+ clib_error_return (0,
+ "`bfd_udp_session_set_flags' API call failed, rv=%d:%U",
+ (int) rv, format_vnet_api_errno, rv);
+ goto out;
+ }
+
+out:
+ return ret;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (bfd_cli_udp_session_set_flags_command, static) = {
+ .path = "bfd udp session set-flags",
+ .short_help = "bfd udp session set-flags"
+ " interface <interface>"
+ " local-addr <local-address>"
+ " peer-addr <peer-address>"
+ " admin <up|down>",
+ .function = bfd_cli_udp_session_set_flags,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+bfd_cli_udp_session_auth_activate (vlib_main_t * vm, unformat_input_t * input,
+ CLIB_UNUSED (vlib_cli_command_t * lmd))
+{
+ clib_error_t *ret = NULL;
+#define foreach_bfd_cli_udp_session_auth_activate_cli_param(F) \
+ F (u32, sw_if_index, INTERFACE_STR, mandatory, "%U", \
+ unformat_vnet_sw_interface, &vnet_main) \
+ F (ip46_address_t, local_addr, LOCAL_ADDR_STR, mandatory, "%U", \
+ unformat_ip46_address) \
+ F (ip46_address_t, peer_addr, PEER_ADDR_STR, mandatory, "%U", \
+ unformat_ip46_address) \
+ F (u8 *, delayed_token, DELAYED_STR, optional, "%v") \
+ F (u32, conf_key_id, CONF_KEY_ID_STR, mandatory, "%u") \
+ F (u32, bfd_key_id, BFD_KEY_ID_STR, mandatory, "%u")
+
+ foreach_bfd_cli_udp_session_auth_activate_cli_param (DECLARE);
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ int something_parsed = 0;
+ foreach_bfd_cli_udp_session_auth_activate_cli_param (UNFORMAT);
+
+ if (!something_parsed)
+ {
+ ret = clib_error_return (0, "Unknown input `%U'",
+ format_unformat_error, input);
+ goto out;
+ }
+ }
+
+ foreach_bfd_cli_udp_session_auth_activate_cli_param (CHECK_MANDATORY);
+
+ u8 is_delayed = 0;
+ if (have_delayed_token)
+ {
+ static const char yes[] = "yes";
+ static const char no[] = "no";
+ if (!memcmp (delayed_token, yes, sizeof (yes) - 1))
+ {
+ is_delayed = 1;
+ }
+ else if (!memcmp (delayed_token, no, sizeof (no) - 1))
+ {
+ is_delayed = 0;
+ }
+ else
+ {
+ ret =
+ clib_error_return (0,
+ "Unrecognized value for `%s' parameter: `%v'",
+ DELAYED_STR, delayed_token);
+ goto out;
+ }
+ }
+
+ if (have_bfd_key_id && bfd_key_id > 255)
+ {
+ ret = clib_error_return (0, "%s value `%u' out of range <1,255>",
+ BFD_KEY_ID_STR, bfd_key_id);
+ goto out;
+ }
+
+ vnet_api_error_t rv =
+ bfd_udp_auth_activate (sw_if_index, &local_addr, &peer_addr, conf_key_id,
+ bfd_key_id, is_delayed);
+ if (rv)
+ {
+ ret =
+ clib_error_return (0,
+ "`bfd_udp_auth_activate' API call failed, rv=%d:%U",
+ (int) rv, format_vnet_api_errno, rv);
+ goto out;
+ }
+
+out:
+ return ret;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (bfd_cli_udp_session_auth_activate_command, static) = {
+ .path = "bfd udp session auth activate",
+ .short_help = "bfd udp session auth activate"
+ " interface <interface>"
+ " local-addr <local-address>"
+ " peer-addr <peer-address>"
+ " conf-key-id <config key ID>"
+ " bfd-key-id <BFD key ID>"
+ " [ delayed <yes|no>]",
+ .function = bfd_cli_udp_session_auth_activate,
+};
+
+static clib_error_t *
+bfd_cli_udp_session_auth_deactivate (vlib_main_t *vm, unformat_input_t *input,
+ CLIB_UNUSED (vlib_cli_command_t *lmd))
+{
+ clib_error_t *ret = NULL;
+#define foreach_bfd_cli_udp_session_auth_deactivate_cli_param(F) \
+ F (u32, sw_if_index, INTERFACE_STR, mandatory, "%U", \
+ unformat_vnet_sw_interface, &vnet_main) \
+ F (ip46_address_t, local_addr, LOCAL_ADDR_STR, mandatory, "%U", \
+ unformat_ip46_address) \
+ F (ip46_address_t, peer_addr, PEER_ADDR_STR, mandatory, "%U", \
+ unformat_ip46_address) \
+ F (u8 *, delayed_token, DELAYED_STR, optional, "%v")
+
+ foreach_bfd_cli_udp_session_auth_deactivate_cli_param (DECLARE);
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ int something_parsed = 0;
+ foreach_bfd_cli_udp_session_auth_deactivate_cli_param (UNFORMAT);
+
+ if (!something_parsed)
+ {
+ ret = clib_error_return (0, "Unknown input `%U'",
+ format_unformat_error, input);
+ goto out;
+ }
+ }
+
+ foreach_bfd_cli_udp_session_auth_deactivate_cli_param (CHECK_MANDATORY);
+
+ u8 is_delayed = 0;
+ if (have_delayed_token)
+ {
+ static const char yes[] = "yes";
+ static const char no[] = "no";
+ if (!memcmp (delayed_token, yes, sizeof (yes) - 1))
+ {
+ is_delayed = 1;
+ }
+ else if (!memcmp (delayed_token, no, sizeof (no) - 1))
+ {
+ is_delayed = 0;
+ }
+ else
+ {
+ ret = clib_error_return (
+ 0, "Unrecognized value for `%s' parameter: `%v'", DELAYED_STR,
+ delayed_token);
+ goto out;
+ }
+ }
+
+ vnet_api_error_t rv = bfd_udp_auth_deactivate (sw_if_index, &local_addr,
+ &peer_addr, is_delayed);
+ if (rv)
+ {
+ ret = clib_error_return (
+ 0, "`bfd_udp_auth_deactivate' API call failed, rv=%d:%U", (int)rv,
+ format_vnet_api_errno, rv);
+ goto out;
+ }
+
+out:
+ return ret;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (bfd_cli_udp_session_auth_deactivate_command, static) = {
+ .path = "bfd udp session auth deactivate",
+ .short_help = "bfd udp session auth deactivate"
+ " interface <interface>"
+ " local-addr <local-address>"
+ " peer-addr <peer-address>"
+ "[ delayed <yes|no>]",
+ .function = bfd_cli_udp_session_auth_deactivate,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+bfd_cli_udp_set_echo_source (vlib_main_t * vm, unformat_input_t * input,
+ CLIB_UNUSED (vlib_cli_command_t * lmd))
+{
+ clib_error_t *ret = NULL;
+#define foreach_bfd_cli_udp_set_echo_source_cli_param(F) \
+ F (u32, sw_if_index, INTERFACE_STR, mandatory, "%U", \
+ unformat_vnet_sw_interface, &vnet_main)
+
+ foreach_bfd_cli_udp_set_echo_source_cli_param (DECLARE);
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ int something_parsed = 0;
+ foreach_bfd_cli_udp_set_echo_source_cli_param (UNFORMAT);
+
+ if (!something_parsed)
+ {
+ ret = clib_error_return (0, "Unknown input `%U'",
+ format_unformat_error, input);
+ goto out;
+ }
+ }
+
+ foreach_bfd_cli_udp_set_echo_source_cli_param (CHECK_MANDATORY);
+
+ vnet_api_error_t rv = bfd_udp_set_echo_source (sw_if_index);
+ if (rv)
+ {
+ ret =
+ clib_error_return (0,
+ "`bfd_udp_set_echo_source' API call failed, rv=%d:%U",
+ (int) rv, format_vnet_api_errno, rv);
+ goto out;
+ }
+
+out:
+ return ret;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (bfd_cli_udp_set_echo_source_cmd, static) = {
+ .path = "bfd udp echo-source set",
+ .short_help = "bfd udp echo-source set interface <interface>",
+ .function = bfd_cli_udp_set_echo_source,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+bfd_cli_udp_del_echo_source (vlib_main_t * vm, unformat_input_t * input,
+ CLIB_UNUSED (vlib_cli_command_t * lmd))
+{
+ vnet_api_error_t rv = bfd_udp_del_echo_source ();
+ if (rv)
+ {
+ return clib_error_return (0,
+ "`bfd_udp_del_echo_source' API call failed, rv=%d:%U",
+ (int) rv, format_vnet_api_errno, rv);
+ }
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (bfd_cli_udp_del_echo_source_cmd, static) = {
+ .path = "bfd udp echo-source del",
+ .short_help = "bfd udp echo-source del",
+ .function = bfd_cli_udp_del_echo_source,
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
return bm->cpu_cps * ((f64) us / USEC_PER_SECOND);
}
-static u32
+u32
bfd_clocks_to_usec (const bfd_main_t * bm, u64 clocks)
{
return (clocks / bm->cpu_cps) * USEC_PER_SECOND;
#undef F
};
-static u8 *
+u8 *
format_bfd_auth_key (u8 * s, va_list * args)
{
const bfd_auth_key_t *key = va_arg (*args, bfd_auth_key_t *);
}
}
-static const char *
+const char *
bfd_poll_state_string (bfd_poll_state_e state)
{
switch (state)
static void
bfd_recalc_detection_time (bfd_main_t * bm, bfd_session_t * bs)
{
- bs->detection_time_clocks =
- bs->remote_detect_mult * clib_max (bs->effective_required_min_rx_clocks,
- bs->remote_desired_min_tx_clocks);
- BFD_DBG ("Recalculated detection time %lu clocks/%.2fs",
- bs->detection_time_clocks,
- bs->detection_time_clocks / bm->cpu_cps);
+ if (bs->local_state == BFD_STATE_init || bs->local_state == BFD_STATE_up)
+ {
+ bs->detection_time_clocks =
+ bs->remote_detect_mult *
+ clib_max (bs->effective_required_min_rx_clocks,
+ bs->remote_desired_min_tx_clocks);
+ BFD_DBG ("Recalculated detection time %lu clocks/%.2fs",
+ bs->detection_time_clocks,
+ bs->detection_time_clocks / bm->cpu_cps);
+ }
}
static void
{
rx_timeout = bs->last_rx_clocks + bs->detection_time_clocks;
}
- if (BFD_STATE_up != bs->local_state || !bs->remote_demand ||
+ if (BFD_STATE_up != bs->local_state ||
+ (!bs->remote_demand && bs->remote_min_rx_usec) ||
BFD_POLL_NOT_NEEDED != bs->poll_state)
{
tx_timeout = bs->tx_timeout_clocks;
static void
bfd_set_effective_required_min_rx (bfd_main_t * bm,
- bfd_session_t * bs, u64 now,
+ bfd_session_t * bs,
u64 required_min_rx_clocks)
{
bs->effective_required_min_rx_clocks = required_min_rx_clocks;
bfd_session_start (bfd_main_t * bm, bfd_session_t * bs)
{
BFD_DBG ("\nStarting session: %U", format_bfd_session, bs);
+ bfd_set_effective_required_min_rx (bm, bs,
+ bs->config_required_min_rx_clocks);
bfd_recalc_tx_interval (bm, bs);
vlib_process_signal_event (bm->vlib_main, bm->bfd_process_node_index,
BFD_EVENT_NEW_SESSION, bs->bs_idx);
}
-vnet_api_error_t
-bfd_del_session (uword bs_idx)
-{
- const bfd_main_t *bm = &bfd_main;
- if (!pool_is_free_index (bm->sessions, bs_idx))
- {
- bfd_session_t *bs = pool_elt_at_index (bm->sessions, bs_idx);
- pool_put (bm->sessions, bs);
- return 0;
- }
- else
- {
- BFD_ERR ("no such session");
- return VNET_API_ERROR_BFD_ENOENT;
- }
- return 0;
-}
-
void
bfd_session_set_flags (bfd_session_t * bs, u8 admin_up_down)
{
bfd_main_t *bm = &bfd_main;
+ u64 now = clib_cpu_time_now ();
if (admin_up_down)
{
BFD_DBG ("Session set admin-up, bs-idx=%u", bs->bs_idx);
bfd_set_state (bm, bs, BFD_STATE_down, 0);
bfd_set_diag (bs, BFD_DIAG_CODE_no_diag);
+ bfd_calc_next_tx (bm, bs, now);
+ bfd_set_timer (bm, bs, now, 0);
}
else
{
BFD_DBG ("Session set admin-down, bs-idx=%u", bs->bs_idx);
bfd_set_diag (bs, BFD_DIAG_CODE_admin_down);
bfd_set_state (bm, bs, BFD_STATE_admin_down, 0);
+ bfd_calc_next_tx (bm, bs, now);
+ bfd_set_timer (bm, bs, now, 0);
}
}
clib_max
(bs->config_desired_min_tx_clocks,
bm->default_desired_min_tx_clocks));
- bfd_set_effective_required_min_rx (bm, bs, now,
+ bfd_set_effective_required_min_rx (bm, bs,
bs->config_required_min_rx_clocks);
bfd_set_timer (bm, bs, now, handling_wakeup);
break;
clib_max
(bs->config_desired_min_tx_clocks,
bm->default_desired_min_tx_clocks));
- bfd_set_effective_required_min_rx (bm, bs, now,
+ bfd_set_effective_required_min_rx (bm, bs,
bs->config_required_min_rx_clocks);
bfd_set_timer (bm, bs, now, handling_wakeup);
break;
bs->config_desired_min_tx_clocks);
if (BFD_POLL_NOT_NEEDED == bs->poll_state)
{
- bfd_set_effective_required_min_rx (bm, bs, now,
+ bfd_set_effective_required_min_rx (bm, bs,
bs->config_required_min_rx_clocks);
}
bfd_set_timer (bm, bs, now, handling_wakeup);
bs->echo = 1;
bs->echo_last_rx_clocks = now;
bs->echo_tx_timeout_clocks = now;
- bfd_set_effective_required_min_rx (bm, bs, now,
+ bfd_set_effective_required_min_rx (bm, bs,
clib_max
(bm->min_required_min_rx_while_echo_clocks,
bs->config_required_min_rx_clocks));
bs->remote_discr = pkt->my_disc;
bs->remote_state = bfd_pkt_get_state (pkt);
bs->remote_demand = bfd_pkt_get_demand (pkt);
+ bs->remote_diag = bfd_pkt_get_diag_code (pkt);
u64 now = clib_cpu_time_now ();
bs->last_rx_clocks = now;
if (bfd_pkt_get_auth_present (pkt))
bfd_set_poll_state (bs, BFD_POLL_NOT_NEEDED);
if (BFD_STATE_up == bs->local_state)
{
- bfd_set_effective_required_min_rx (bm, bs, now,
+ bfd_set_effective_required_min_rx (bm, bs,
clib_max (bs->echo *
bm->min_required_min_rx_while_echo_clocks,
bs->config_required_min_rx_clocks));
return 0;
}
+vnet_api_error_t
+bfd_auth_set_key (u32 conf_key_id, u8 auth_type, u8 key_len,
+ const u8 * key_data)
+{
+#if WITH_LIBSSL > 0
+ bfd_auth_key_t *auth_key = NULL;
+ if (!key_len || key_len > bfd_max_len_for_auth_type (auth_type))
+ {
+ clib_warning ("Invalid authentication key length for auth_type=%d:%s "
+ "(key_len=%u, must be "
+ "non-zero, expected max=%u)",
+ auth_type, bfd_auth_type_str (auth_type), key_len,
+ (u32) bfd_max_len_for_auth_type (auth_type));
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+ if (!bfd_auth_type_supported (auth_type))
+ {
+ clib_warning ("Unsupported auth type=%d:%s", auth_type,
+ bfd_auth_type_str (auth_type));
+ return VNET_API_ERROR_BFD_NOTSUPP;
+ }
+ bfd_main_t *bm = &bfd_main;
+ uword *key_idx_p = hash_get (bm->auth_key_by_conf_key_id, conf_key_id);
+ if (key_idx_p)
+ {
+ /* modifying existing key - must not be used */
+ const uword key_idx = *key_idx_p;
+ auth_key = pool_elt_at_index (bm->auth_keys, key_idx);
+ if (auth_key->use_count > 0)
+ {
+ clib_warning ("Authentication key with conf ID %u in use by %u BFD "
+ "session(s) - cannot modify",
+ conf_key_id, auth_key->use_count);
+ return VNET_API_ERROR_BFD_EINUSE;
+ }
+ }
+ else
+ {
+ /* adding new key */
+ pool_get (bm->auth_keys, auth_key);
+ auth_key->conf_key_id = conf_key_id;
+ hash_set (bm->auth_key_by_conf_key_id, conf_key_id,
+ auth_key - bm->auth_keys);
+ }
+ auth_key->auth_type = auth_type;
+ memset (auth_key->key, 0, sizeof (auth_key->key));
+ clib_memcpy (auth_key->key, key_data, key_len);
+ return 0;
+#else
+ clib_warning ("SSL missing, cannot manipulate authentication keys");
+ return VNET_API_ERROR_BFD_NOTSUPP;
+#endif
+}
+
+vnet_api_error_t
+bfd_auth_del_key (u32 conf_key_id)
+{
+#if WITH_LIBSSL > 0
+ bfd_auth_key_t *auth_key = NULL;
+ bfd_main_t *bm = &bfd_main;
+ uword *key_idx_p = hash_get (bm->auth_key_by_conf_key_id, conf_key_id);
+ if (key_idx_p)
+ {
+ /* deleting existing key - must not be used */
+ const uword key_idx = *key_idx_p;
+ auth_key = pool_elt_at_index (bm->auth_keys, key_idx);
+ if (auth_key->use_count > 0)
+ {
+ clib_warning ("Authentication key with conf ID %u in use by %u BFD "
+ "session(s) - cannot delete",
+ conf_key_id, auth_key->use_count);
+ return VNET_API_ERROR_BFD_EINUSE;
+ }
+ hash_unset (bm->auth_key_by_conf_key_id, conf_key_id);
+ memset (auth_key, 0, sizeof (*auth_key));
+ pool_put (bm->auth_keys, auth_key);
+ }
+ else
+ {
+ /* no such key */
+ clib_warning ("Authentication key with conf ID %u does not exist",
+ conf_key_id);
+ return VNET_API_ERROR_BFD_ENOENT;
+ }
+ return 0;
+#else
+ clib_warning ("SSL missing, cannot manipulate authentication keys");
+ return VNET_API_ERROR_BFD_NOTSUPP;
+#endif
+}
+
bfd_main_t bfd_main;
/*
/* session state */
bfd_state_e local_state;
+ /* remote session state */
+ bfd_state_e remote_state;
+
/* local diagnostics */
bfd_diag_code_e local_diag;
- /* remote session state */
- bfd_state_e remote_state;
+ /* remote diagnostics */
+ bfd_diag_code_e remote_diag;
/* local discriminator */
u32 local_discr;
void bfd_init_final_control_frame (vlib_main_t * vm, vlib_buffer_t * b,
bfd_main_t * bm, bfd_session_t * bs);
u8 *format_bfd_session (u8 * s, va_list * args);
+u8 *format_bfd_auth_key (u8 * s, va_list * args);
void bfd_session_set_flags (bfd_session_t * bs, u8 admin_up_down);
unsigned bfd_auth_type_supported (bfd_auth_type_e auth_type);
vnet_api_error_t bfd_auth_activate (bfd_session_t * bs, u32 conf_key_id,
u32 required_min_rx_usec,
u8 detect_mult);
+u32 bfd_clocks_to_usec (const bfd_main_t * bm, u64 clocks);
+const char *bfd_poll_state_string (bfd_poll_state_e state);
+
#define USEC_PER_MS 1000LL
#define USEC_PER_SECOND (1000 * USEC_PER_MS)
return (pkt->head.sta_flags >> 3) & 1;
}
+#if 0
void
bfd_pkt_set_control_plane_independent (bfd_pkt_t * pkt)
{
pkt->head.sta_flags |= 1 << 3;
}
+#endif
u8
bfd_pkt_get_auth_present (const bfd_pkt_t * pkt)
return (pkt->head.sta_flags >> 1) & 1;
}
+#if 0
void
bfd_pkt_set_demand (bfd_pkt_t * pkt)
{
pkt->head.sta_flags |= 1 << 1;
}
+#endif
u8
bfd_pkt_get_multipoint (const bfd_pkt_t * pkt)
return (pkt->head.sta_flags >> 0) & 1;
}
+#if 0
void
bfd_pkt_set_multipoint (bfd_pkt_t * pkt)
{
pkt->head.sta_flags |= 1 << 0;
}
+#endif
u32
bfd_max_len_for_auth_type (bfd_auth_type_e auth_type)
bfd_udp_set_echo_source (u32 sw_if_index)
{
vnet_sw_interface_t *sw_if =
- vnet_get_sw_interface_safe (bfd_udp_main.vnet_main,
- bfd_udp_main.echo_source_sw_if_index);
+ vnet_get_sw_interface_safe (bfd_udp_main.vnet_main, sw_if_index);
if (sw_if)
{
bfd_udp_main.echo_source_sw_if_index = sw_if_index;
{
if (!bfd_udp_main.echo_source_is_set)
{
+ BFD_DBG ("UDP echo source not set - echo not available");
return 0;
}
/*
/* *INDENT-ON* */
}
}
+ BFD_DBG ("No usable IP address for UDP echo - echo not available");
return 0;
}
return 49152 + bs_idx % (65535 - 49152 + 1);
}
-static void
-lol ()
-{
-}
-
int
bfd_udp_get_echo_src_ip4 (ip4_address_t * addr)
{
{
*addr = *x;
addr->as_u8[15] ^= 1; /* flip the last bit of the address */
- lol ();
return 1;
}
}));
return 0;
}
+void
+bfd_udp_get_echo_source (int *is_set, u32 * sw_if_index, int *have_usable_ip4,
+ ip4_address_t * ip4, int *have_usable_ip6,
+ ip6_address_t * ip6)
+{
+ if (bfd_udp_main.echo_source_is_set)
+ {
+ *is_set = 1;
+ *sw_if_index = bfd_udp_main.echo_source_sw_if_index;
+ *have_usable_ip4 = bfd_udp_get_echo_src_ip4 (ip4);
+ *have_usable_ip6 = bfd_udp_get_echo_src_ip6 (ip6);
+ }
+ else
+ {
+ *is_set = 0;
+ }
+}
+
int
bfd_add_udp4_transport (vlib_main_t * vm, vlib_buffer_t * b,
const bfd_session_t * bs, int is_echo)
return 0;
}
-vnet_api_error_t
-bfd_auth_set_key (u32 conf_key_id, u8 auth_type, u8 key_len,
- const u8 * key_data)
-{
-#if WITH_LIBSSL > 0
- bfd_auth_key_t *auth_key = NULL;
- if (!key_len || key_len > bfd_max_len_for_auth_type (auth_type))
- {
- clib_warning ("Invalid authentication key length for auth_type=%d:%s "
- "(key_len=%u, must be "
- "non-zero, expected max=%u)",
- auth_type, bfd_auth_type_str (auth_type), key_len,
- (u32) bfd_max_len_for_auth_type (auth_type));
- return VNET_API_ERROR_INVALID_VALUE;
- }
- if (!bfd_auth_type_supported (auth_type))
- {
- clib_warning ("Unsupported auth type=%d:%s", auth_type,
- bfd_auth_type_str (auth_type));
- return VNET_API_ERROR_BFD_NOTSUPP;
- }
- bfd_main_t *bm = bfd_udp_main.bfd_main;
- uword *key_idx_p = hash_get (bm->auth_key_by_conf_key_id, conf_key_id);
- if (key_idx_p)
- {
- /* modifying existing key - must not be used */
- const uword key_idx = *key_idx_p;
- auth_key = pool_elt_at_index (bm->auth_keys, key_idx);
- if (auth_key->use_count > 0)
- {
- clib_warning ("Authentication key with conf ID %u in use by %u BFD "
- "sessions - cannot modify",
- conf_key_id, auth_key->use_count);
- return VNET_API_ERROR_BFD_EINUSE;
- }
- }
- else
- {
- /* adding new key */
- pool_get (bm->auth_keys, auth_key);
- auth_key->conf_key_id = conf_key_id;
- hash_set (bm->auth_key_by_conf_key_id, conf_key_id,
- auth_key - bm->auth_keys);
- }
- auth_key->auth_type = auth_type;
- memset (auth_key->key, 0, sizeof (auth_key->key));
- clib_memcpy (auth_key->key, key_data, key_len);
- return 0;
-#else
- clib_warning ("SSL missing, cannot manipulate authentication keys");
- return VNET_API_ERROR_BFD_NOTSUPP;
-#endif
-}
-
-vnet_api_error_t
-bfd_auth_del_key (u32 conf_key_id)
-{
-#if WITH_LIBSSL > 0
- bfd_auth_key_t *auth_key = NULL;
- bfd_main_t *bm = bfd_udp_main.bfd_main;
- uword *key_idx_p = hash_get (bm->auth_key_by_conf_key_id, conf_key_id);
- if (key_idx_p)
- {
- /* deleting existing key - must not be used */
- const uword key_idx = *key_idx_p;
- auth_key = pool_elt_at_index (bm->auth_keys, key_idx);
- if (auth_key->use_count > 0)
- {
- clib_warning ("Authentication key with conf ID %u in use by %u BFD "
- "sessions - cannot delete",
- conf_key_id, auth_key->use_count);
- return VNET_API_ERROR_BFD_EINUSE;
- }
- hash_unset (bm->auth_key_by_conf_key_id, conf_key_id);
- memset (auth_key, 0, sizeof (*auth_key));
- pool_put (bm->auth_keys, auth_key);
- }
- else
- {
- /* no such key */
- clib_warning ("Authentication key with conf ID %u does not exist",
- conf_key_id);
- return VNET_API_ERROR_BFD_ENOENT;
- }
- return 0;
-#else
- clib_warning ("SSL missing, cannot manipulate authentication keys");
- return VNET_API_ERROR_BFD_NOTSUPP;
-#endif
-}
-
vnet_api_error_t
bfd_udp_auth_activate (u32 sw_if_index,
const ip46_address_t * local_addr,
*/
int bfd_udp_is_echo_available (bfd_transport_e transport);
+void
+bfd_udp_get_echo_source (int *is_set, u32 * sw_if_index, int *have_usable_ip4,
+ ip4_address_t * ip4, int *have_usable_ip6,
+ ip6_address_t * ip6);
+
#endif /* __included_bfd_udp_h__ */
/*
""" key data """
return self._key
+ @key.setter
+ def key(self, value):
+ self._key = value
+
@property
def conf_key_id(self):
""" configuration key ID """
self._required_min_rx = required_min_rx
self._detect_mult = detect_mult
self._sha1_key = sha1_key
- self._bfd_key_id = bfd_key_id if bfd_key_id else randint(0, 255)
+ 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):
import hashlib
import binascii
import time
+from struct import pack, unpack
from random import randint, shuffle, getrandbits
-from socket import AF_INET, AF_INET6
+from socket import AF_INET, AF_INET6, inet_ntop
from scapy.packet import Raw
from scapy.layers.l2 import Ether
from scapy.layers.inet import UDP, IP
from framework import VppTestCase, VppTestRunner
from vpp_pg_interface import CaptureTimeoutError
from util import ppp
+from vpp_papi_provider import UnexpectedApiReturnValueError
USEC_IN_SEC = 1000000
test.vpp_clock_offset)
if old_offset:
test.assertAlmostEqual(
- old_offset, test.vpp_clock_offset, delta=0.1,
+ old_offset, test.vpp_clock_offset, delta=0.5,
msg="vpp clock offset not stable (new: %s, old: %s)" %
(test.vpp_clock_offset, old_offset))
test.logger.info("BFD: Sending Init")
test.test_session.update(my_discriminator=randint(0, 40000000),
your_discriminator=p[BFD].my_discriminator,
state=BFDState.init)
+ if test.test_session.sha1_key and test.test_session.sha1_key.auth_type == \
+ BFDAuthType.meticulous_keyed_sha1:
+ test.test_session.inc_seq_num()
test.test_session.send_packet()
test.logger.info("BFD: Waiting for event")
e = test.vapi.wait_for_event(1, "bfd_udp_session_details")
verify_event(test, e, expected_state=BFDState.up)
test.logger.info("BFD: Session is Up")
test.test_session.update(state=BFDState.up)
+ if test.test_session.sha1_key and test.test_session.sha1_key.auth_type == \
+ BFDAuthType.meticulous_keyed_sha1:
+ test.test_session.inc_seq_num()
test.test_session.send_packet()
test.assert_equal(test.vpp_session.state, BFDState.up, BFDState)
""" Bring BFD session down """
test.assert_equal(test.vpp_session.state, BFDState.up, BFDState)
test.test_session.update(state=BFDState.down)
+ if test.test_session.sha1_key and test.test_session.sha1_key.auth_type == \
+ BFDAuthType.meticulous_keyed_sha1:
+ test.test_session.inc_seq_num()
test.test_session.send_packet()
test.logger.info("BFD: Waiting for event")
e = test.vapi.wait_for_event(1, "bfd_udp_session_details")
test.assert_equal(test.vpp_session.state, BFDState.down, BFDState)
+def verify_bfd_session_config(test, session, state=None):
+ dump = session.get_bfd_udp_session_dump_entry()
+ test.assertIsNotNone(dump)
+ # since dump is not none, we have verified that sw_if_index and addresses
+ # are valid (in get_bfd_udp_session_dump_entry)
+ if state:
+ test.assert_equal(dump.state, state, "session state")
+ test.assert_equal(dump.required_min_rx, session.required_min_rx,
+ "required min rx interval")
+ test.assert_equal(dump.desired_min_tx, session.desired_min_tx,
+ "desired min tx interval")
+ test.assert_equal(dump.detect_mult, session.detect_mult,
+ "detect multiplier")
+ if session.sha1_key is None:
+ test.assert_equal(dump.is_authenticated, 0, "is_authenticated flag")
+ else:
+ test.assert_equal(dump.is_authenticated, 1, "is_authenticated flag")
+ test.assert_equal(dump.bfd_key_id, session.bfd_key_id,
+ "bfd key id")
+ test.assert_equal(dump.conf_key_id,
+ session.sha1_key.conf_key_id,
+ "config key id")
+
+
def verify_ip(test, packet):
""" Verify correctness of IP layer. """
if test.vpp_session.af == AF_INET6:
""" bring BFD session up """
bfd_session_up(self)
+ def test_session_up_by_ip(self):
+ """ bring BFD session up - first frame looked up by address pair """
+ self.logger.info("BFD: Sending Slow control frame")
+ self.test_session.update(my_discriminator=randint(0, 40000000))
+ self.test_session.send_packet()
+ self.pg0.enable_capture()
+ p = self.pg0.wait_for_packet(1)
+ self.assert_equal(p[BFD].your_discriminator,
+ self.test_session.my_discriminator,
+ "BFD - your discriminator")
+ self.assert_equal(p[BFD].state, BFDState.init, BFDState)
+ self.test_session.update(your_discriminator=p[BFD].my_discriminator,
+ state=BFDState.up)
+ self.logger.info("BFD: Waiting for event")
+ e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
+ verify_event(self, e, expected_state=BFDState.init)
+ self.logger.info("BFD: Sending Up")
+ self.test_session.send_packet()
+ self.logger.info("BFD: Waiting for event")
+ e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
+ verify_event(self, e, expected_state=BFDState.up)
+ self.logger.info("BFD: Session is Up")
+ self.test_session.update(state=BFDState.up)
+ self.test_session.send_packet()
+ self.assert_equal(self.vpp_session.state, BFDState.up, BFDState)
+
def test_session_down(self):
""" bring BFD session down """
bfd_session_up(self)
self.assertNotIn("P", p.sprintf("%BFD.flags%"),
"Poll bit set in BFD packet")
+ def test_poll_response(self):
+ """ test correct response to control frame with poll bit set """
+ bfd_session_up(self)
+ poll = self.test_session.create_packet()
+ poll[BFD].flags = "P"
+ self.test_session.send_packet(poll)
+ final = wait_for_bfd_packet(
+ self, pcap_time_min=time.time() - self.vpp_clock_offset)
+ self.assertIn("F", final.sprintf("%BFD.flags%"))
+
def test_no_periodic_if_remote_demand(self):
""" no periodic frames outside poll sequence if remote demand set """
bfd_session_up(self)
events = self.vapi.collect_events()
self.assert_equal(len(events), 0, "number of bfd events")
+ def test_echo_source_removed(self):
+ """ echo function stops if echo source is removed """
+ bfd_session_up(self)
+ self.test_session.update(required_min_echo_rx=50000)
+ self.test_session.send_packet()
+ self.vapi.bfd_udp_set_echo_source(self.loopback0.sw_if_index)
+ # wait for first echo packet
+ while True:
+ p = self.pg0.wait_for_packet(1)
+ self.logger.debug(ppp("Got packet:", p))
+ if p[UDP].dport == BFD.udp_dport_echo:
+ self.logger.debug(ppp("Looping back packet:", p))
+ self.pg0.add_stream(p)
+ self.pg_start()
+ break
+ elif p.haslayer(BFD):
+ # ignore BFD
+ pass
+ else:
+ raise Exception(ppp("Received unknown packet:", p))
+ self.vapi.bfd_udp_del_echo_source()
+ self.test_session.send_packet()
+ # echo packets shouldn't arrive anymore
+ for dummy in range(5):
+ wait_for_bfd_packet(
+ self, pcap_time_min=time.time() - self.vpp_clock_offset)
+ self.test_session.send_packet()
+ events = self.vapi.collect_events()
+ self.assert_equal(len(events), 0, "number of bfd events")
+
def test_stale_echo(self):
""" stale echo packets don't keep a session up """
bfd_session_up(self)
verify_event(self, e, expected_state=BFDState.admin_down)
for dummy in range(2):
p = wait_for_bfd_packet(self)
- self.assert_equal(BFDState.admin_down, p[BFD].state, BFDState)
+ self.assert_equal(p[BFD].state, BFDState.admin_down, BFDState)
# try to bring session up - shouldn't be possible
self.test_session.update(state=BFDState.init)
self.test_session.send_packet()
for dummy in range(2):
p = wait_for_bfd_packet(self)
- self.assert_equal(BFDState.admin_down, p[BFD].state, BFDState)
+ self.assert_equal(p[BFD].state, BFDState.admin_down, BFDState)
self.vpp_session.admin_up()
self.test_session.update(state=BFDState.down)
e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
verify_event(self, e, expected_state=BFDState.down)
- p = wait_for_bfd_packet(self)
- self.assert_equal(BFDState.down, p[BFD].state, BFDState)
+ p = wait_for_bfd_packet(
+ self, pcap_time_min=time.time() - self.vpp_clock_offset)
+ self.assert_equal(p[BFD].state, BFDState.down, BFDState)
self.test_session.send_packet()
- p = wait_for_bfd_packet(self)
- self.assert_equal(BFDState.init, p[BFD].state, BFDState)
+ p = wait_for_bfd_packet(
+ self, pcap_time_min=time.time() - self.vpp_clock_offset)
+ self.assert_equal(p[BFD].state, BFDState.init, BFDState)
e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
verify_event(self, e, expected_state=BFDState.init)
self.test_session.update(state=BFDState.up)
self.test_session.send_packet()
- p = wait_for_bfd_packet(self)
- self.assert_equal(BFDState.up, p[BFD].state, BFDState)
+ p = wait_for_bfd_packet(
+ self, pcap_time_min=time.time() - self.vpp_clock_offset)
+ self.assert_equal(p[BFD].state, BFDState.up, BFDState)
e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
verify_event(self, e, expected_state=BFDState.up)
self.test_session.send_packet(demand)
self.vpp_session.modify_parameters(
required_min_rx=2 * self.vpp_session.required_min_rx)
- p = wait_for_bfd_packet(self)
+ p = wait_for_bfd_packet(
+ self, pcap_time_min=time.time() - self.vpp_clock_offset)
# poll bit must be set
self.assertIn("P", p.sprintf("%BFD.flags%"), "Poll bit not set")
# terminate poll sequence
""" bring BFD session up """
bfd_session_up(self)
+ def test_session_up_by_ip(self):
+ """ bring BFD session up - first frame looked up by address pair """
+ self.logger.info("BFD: Sending Slow control frame")
+ self.test_session.update(my_discriminator=randint(0, 40000000))
+ self.test_session.send_packet()
+ self.pg0.enable_capture()
+ p = self.pg0.wait_for_packet(1)
+ self.assert_equal(p[BFD].your_discriminator,
+ self.test_session.my_discriminator,
+ "BFD - your discriminator")
+ self.assert_equal(p[BFD].state, BFDState.init, BFDState)
+ self.test_session.update(your_discriminator=p[BFD].my_discriminator,
+ state=BFDState.up)
+ self.logger.info("BFD: Waiting for event")
+ e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
+ verify_event(self, e, expected_state=BFDState.init)
+ self.logger.info("BFD: Sending Up")
+ self.test_session.send_packet()
+ self.logger.info("BFD: Waiting for event")
+ e = self.vapi.wait_for_event(1, "bfd_udp_session_details")
+ verify_event(self, e, expected_state=BFDState.up)
+ self.logger.info("BFD: Session is Up")
+ self.test_session.update(state=BFDState.up)
+ self.test_session.send_packet()
+ self.assert_equal(self.vpp_session.state, BFDState.up, BFDState)
+
def test_hold_up(self):
""" hold BFD session up """
bfd_session_up(self)
self.vpp_session = VppBFDUDPSession(self, self.pg0,
self.pg0.remote_ip4, sha1_key=key)
self.vpp_session.add_vpp_config()
- self.vpp_session.admin_up()
self.test_session = BFDTestSession(
self, self.pg0, AF_INET, sha1_key=key,
bfd_key_id=self.vpp_session.bfd_key_id)
self.vpp_session = vpp_bfd_udp_session
self.vpp_session.add_vpp_config()
- self.vpp_session.admin_up()
self.test_session = legitimate_test_session
# bring vpp session up
bfd_session_up(self)
self.vpp_session = VppBFDUDPSession(self, self.pg0,
self.pg0.remote_ip4, sha1_key=key)
self.vpp_session.add_vpp_config()
- self.vpp_session.admin_up()
self.test_session = BFDTestSession(
self, self.pg0, AF_INET, sha1_key=key,
bfd_key_id=self.vpp_session.bfd_key_id, our_seq_number=0)
# don't send any packets for 2*detection_time
detection_time = self.test_session.detect_mult *\
self.vpp_session.required_min_rx / USEC_IN_SEC
- self.sleep(detection_time, "simulating peer restart")
+ self.sleep(2*detection_time, "simulating peer restart")
events = self.vapi.collect_events()
self.assert_equal(len(events), 1, "number of bfd events")
verify_event(self, events[0], expected_state=BFDState.down)
self.vpp_session = VppBFDUDPSession(self, self.pg0,
self.pg0.remote_ip4)
self.vpp_session.add_vpp_config()
- 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):
self.vpp_session = VppBFDUDPSession(self, self.pg0,
self.pg0.remote_ip4, sha1_key=key)
self.vpp_session.add_vpp_config()
- self.vpp_session.admin_up()
self.test_session = BFDTestSession(
self, self.pg0, AF_INET, sha1_key=key,
bfd_key_id=self.vpp_session.bfd_key_id)
self.vpp_session = VppBFDUDPSession(self, self.pg0,
self.pg0.remote_ip4, sha1_key=key1)
self.vpp_session.add_vpp_config()
- self.vpp_session.admin_up()
self.test_session = BFDTestSession(
self, self.pg0, AF_INET, sha1_key=key1,
bfd_key_id=self.vpp_session.bfd_key_id)
self.vpp_session = VppBFDUDPSession(self, self.pg0,
self.pg0.remote_ip4)
self.vpp_session.add_vpp_config()
- 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):
self.vpp_session = VppBFDUDPSession(self, self.pg0,
self.pg0.remote_ip4, sha1_key=key)
self.vpp_session.add_vpp_config()
- self.vpp_session.admin_up()
self.test_session = BFDTestSession(
self, self.pg0, AF_INET, sha1_key=key,
bfd_key_id=self.vpp_session.bfd_key_id)
self.assert_equal(len(self.vapi.collect_events()), 0,
"number of bfd events")
+
+class BFDCLITestCase(VppTestCase):
+ """Bidirectional Forwarding Detection (BFD) (CLI) """
+ pg0 = None
+
+ @classmethod
+ def setUpClass(cls):
+ super(BFDCLITestCase, cls).setUpClass()
+
+ try:
+ cls.create_pg_interfaces((0,))
+ cls.pg0.config_ip4()
+ cls.pg0.config_ip6()
+ cls.pg0.resolve_arp()
+ cls.pg0.resolve_ndp()
+
+ except Exception:
+ super(BFDCLITestCase, cls).tearDownClass()
+ raise
+
+ def setUp(self):
+ super(BFDCLITestCase, self).setUp()
+ self.factory = AuthKeyFactory()
+ self.pg0.enable_capture()
+
+ def tearDown(self):
+ try:
+ self.vapi.want_bfd_events(enable_disable=0)
+ except UnexpectedApiReturnValueError:
+ # some tests aren't subscribed, so this is not an issue
+ pass
+ self.vapi.collect_events() # clear the event queue
+ super(BFDCLITestCase, self).tearDown()
+
+ def cli_verify_no_response(self, cli):
+ """ execute a CLI, asserting that the response is empty """
+ self.assert_equal(self.vapi.cli(cli),
+ "",
+ "CLI command response")
+
+ def cli_verify_response(self, cli, expected):
+ """ execute a CLI, asserting that the response matches expectation """
+ self.assert_equal(self.vapi.cli(cli).strip(),
+ expected,
+ "CLI command response")
+
+ def test_show(self):
+ """ show commands """
+ k1 = self.factory.create_random_key(self)
+ k1.add_vpp_config()
+ k2 = self.factory.create_random_key(
+ self, auth_type=BFDAuthType.meticulous_keyed_sha1)
+ k2.add_vpp_config()
+ s1 = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4)
+ s1.add_vpp_config()
+ s2 = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip6, af=AF_INET6,
+ sha1_key=k2)
+ s2.add_vpp_config()
+ self.logger.info(self.vapi.ppcli("show bfd keys"))
+ self.logger.info(self.vapi.ppcli("show bfd sessions"))
+ self.logger.info(self.vapi.ppcli("show bfd"))
+
+ def test_set_del_sha1_key(self):
+ """ set/delete SHA1 auth key """
+ k = self.factory.create_random_key(self)
+ self.registry.register(k, self.logger)
+ self.cli_verify_no_response(
+ "bfd key set conf-key-id %s type keyed-sha1 secret %s" %
+ (k.conf_key_id,
+ "".join("{:02x}".format(ord(c)) for c in k.key)))
+ self.assertTrue(k.query_vpp_config())
+ self.vpp_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip4, sha1_key=k)
+ self.vpp_session.add_vpp_config()
+ self.test_session = \
+ BFDTestSession(self, self.pg0, AF_INET, sha1_key=k,
+ bfd_key_id=self.vpp_session.bfd_key_id)
+ self.vapi.want_bfd_events()
+ bfd_session_up(self)
+ bfd_session_down(self)
+ # try to replace the secret for the key - should fail because the key
+ # is in-use
+ k2 = self.factory.create_random_key(self)
+ self.cli_verify_response(
+ "bfd key set conf-key-id %s type keyed-sha1 secret %s" %
+ (k.conf_key_id,
+ "".join("{:02x}".format(ord(c)) for c in k2.key)),
+ "bfd key set: `bfd_auth_set_key' API call failed, "
+ "rv=-103:BFD object in use")
+ # manipulating the session using old secret should still work
+ bfd_session_up(self)
+ bfd_session_down(self)
+ self.vpp_session.remove_vpp_config()
+ self.cli_verify_no_response(
+ "bfd key del conf-key-id %s" % k.conf_key_id)
+ self.assertFalse(k.query_vpp_config())
+
+ def test_set_del_meticulous_sha1_key(self):
+ """ set/delete meticulous SHA1 auth key """
+ k = self.factory.create_random_key(
+ self, auth_type=BFDAuthType.meticulous_keyed_sha1)
+ self.registry.register(k, self.logger)
+ self.cli_verify_no_response(
+ "bfd key set conf-key-id %s type meticulous-keyed-sha1 secret %s" %
+ (k.conf_key_id,
+ "".join("{:02x}".format(ord(c)) for c in k.key)))
+ self.assertTrue(k.query_vpp_config())
+ self.vpp_session = VppBFDUDPSession(self, self.pg0,
+ self.pg0.remote_ip6, af=AF_INET6,
+ sha1_key=k)
+ self.vpp_session.add_vpp_config()
+ self.vpp_session.admin_up()
+ self.test_session = \
+ BFDTestSession(self, self.pg0, AF_INET6, sha1_key=k,
+ bfd_key_id=self.vpp_session.bfd_key_id)
+ self.vapi.want_bfd_events()
+ bfd_session_up(self)
+ bfd_session_down(self)
+ # try to replace the secret for the key - should fail because the key
+ # is in-use
+ k2 = self.factory.create_random_key(self)
+ self.cli_verify_response(
+ "bfd key set conf-key-id %s type keyed-sha1 secret %s" %
+ (k.conf_key_id,
+ "".join("{:02x}".format(ord(c)) for c in k2.key)),
+ "bfd key set: `bfd_auth_set_key' API call failed, "
+ "rv=-103:BFD object in use")
+ # manipulating the session using old secret should still work
+ bfd_session_up(self)
+ bfd_session_down(self)
+ self.vpp_session.remove_vpp_config()
+ self.cli_verify_no_response(
+ "bfd key del conf-key-id %s" % k.conf_key_id)
+ self.assertFalse(k.query_vpp_config())
+
+ def test_add_mod_del_bfd_udp(self):
+ """ create/modify/delete IPv4 BFD UDP session """
+ vpp_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip4)
+ self.registry.register(vpp_session, self.logger)
+ cli_add_cmd = "bfd udp session add interface %s local-addr %s " \
+ "peer-addr %s desired-min-tx %s required-min-rx %s "\
+ "detect-mult %s" % (self.pg0.name, self.pg0.local_ip4,
+ self.pg0.remote_ip4,
+ vpp_session.desired_min_tx,
+ vpp_session.required_min_rx,
+ vpp_session.detect_mult)
+ self.cli_verify_no_response(cli_add_cmd)
+ # 2nd add should fail
+ self.cli_verify_response(
+ cli_add_cmd,
+ "bfd udp session add: `bfd_add_add_session' API call"
+ " failed, rv=-101:Duplicate BFD object")
+ verify_bfd_session_config(self, vpp_session)
+ mod_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip4,
+ required_min_rx=2 * vpp_session.required_min_rx,
+ desired_min_tx=3 * vpp_session.desired_min_tx,
+ detect_mult=4 * vpp_session.detect_mult)
+ self.cli_verify_no_response(
+ "bfd udp session mod interface %s local-addr %s peer-addr %s "
+ "desired-min-tx %s required-min-rx %s detect-mult %s" %
+ (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4,
+ mod_session.desired_min_tx, mod_session.required_min_rx,
+ mod_session.detect_mult))
+ verify_bfd_session_config(self, mod_session)
+ cli_del_cmd = "bfd udp session del interface %s local-addr %s "\
+ "peer-addr %s" % (self.pg0.name,
+ self.pg0.local_ip4, self.pg0.remote_ip4)
+ self.cli_verify_no_response(cli_del_cmd)
+ # 2nd del is expected to fail
+ self.cli_verify_response(
+ cli_del_cmd, "bfd udp session del: `bfd_udp_del_session' API call"
+ " failed, rv=-102:No such BFD object")
+ self.assertFalse(vpp_session.query_vpp_config())
+
+ def test_add_mod_del_bfd_udp6(self):
+ """ create/modify/delete IPv6 BFD UDP session """
+ vpp_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip6, af=AF_INET6)
+ self.registry.register(vpp_session, self.logger)
+ cli_add_cmd = "bfd udp session add interface %s local-addr %s " \
+ "peer-addr %s desired-min-tx %s required-min-rx %s "\
+ "detect-mult %s" % (self.pg0.name, self.pg0.local_ip6,
+ self.pg0.remote_ip6,
+ vpp_session.desired_min_tx,
+ vpp_session.required_min_rx,
+ vpp_session.detect_mult)
+ self.cli_verify_no_response(cli_add_cmd)
+ # 2nd add should fail
+ self.cli_verify_response(
+ cli_add_cmd,
+ "bfd udp session add: `bfd_add_add_session' API call"
+ " failed, rv=-101:Duplicate BFD object")
+ verify_bfd_session_config(self, vpp_session)
+ mod_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip6, af=AF_INET6,
+ required_min_rx=2 * vpp_session.required_min_rx,
+ desired_min_tx=3 * vpp_session.desired_min_tx,
+ detect_mult=4 * vpp_session.detect_mult)
+ self.cli_verify_no_response(
+ "bfd udp session mod interface %s local-addr %s peer-addr %s "
+ "desired-min-tx %s required-min-rx %s detect-mult %s" %
+ (self.pg0.name, self.pg0.local_ip6, self.pg0.remote_ip6,
+ mod_session.desired_min_tx,
+ mod_session.required_min_rx, mod_session.detect_mult))
+ verify_bfd_session_config(self, mod_session)
+ cli_del_cmd = "bfd udp session del interface %s local-addr %s "\
+ "peer-addr %s" % (self.pg0.name,
+ self.pg0.local_ip6, self.pg0.remote_ip6)
+ self.cli_verify_no_response(cli_del_cmd)
+ # 2nd del is expected to fail
+ self.cli_verify_response(
+ cli_del_cmd,
+ "bfd udp session del: `bfd_udp_del_session' API call"
+ " failed, rv=-102:No such BFD object")
+ self.assertFalse(vpp_session.query_vpp_config())
+
+ def test_add_mod_del_bfd_udp_auth(self):
+ """ create/modify/delete IPv4 BFD UDP session (authenticated) """
+ key = self.factory.create_random_key(self)
+ key.add_vpp_config()
+ vpp_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip4, sha1_key=key)
+ self.registry.register(vpp_session, self.logger)
+ cli_add_cmd = "bfd udp session add interface %s local-addr %s " \
+ "peer-addr %s desired-min-tx %s required-min-rx %s "\
+ "detect-mult %s conf-key-id %s bfd-key-id %s"\
+ % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4,
+ vpp_session.desired_min_tx, vpp_session.required_min_rx,
+ vpp_session.detect_mult, key.conf_key_id,
+ vpp_session.bfd_key_id)
+ self.cli_verify_no_response(cli_add_cmd)
+ # 2nd add should fail
+ self.cli_verify_response(
+ cli_add_cmd,
+ "bfd udp session add: `bfd_add_add_session' API call"
+ " failed, rv=-101:Duplicate BFD object")
+ verify_bfd_session_config(self, vpp_session)
+ mod_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip4, sha1_key=key,
+ bfd_key_id=vpp_session.bfd_key_id,
+ required_min_rx=2 * vpp_session.required_min_rx,
+ desired_min_tx=3 * vpp_session.desired_min_tx,
+ detect_mult=4 * vpp_session.detect_mult)
+ self.cli_verify_no_response(
+ "bfd udp session mod interface %s local-addr %s peer-addr %s "
+ "desired-min-tx %s required-min-rx %s detect-mult %s" %
+ (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4,
+ mod_session.desired_min_tx,
+ mod_session.required_min_rx, mod_session.detect_mult))
+ verify_bfd_session_config(self, mod_session)
+ cli_del_cmd = "bfd udp session del interface %s local-addr %s "\
+ "peer-addr %s" % (self.pg0.name,
+ self.pg0.local_ip4, self.pg0.remote_ip4)
+ self.cli_verify_no_response(cli_del_cmd)
+ # 2nd del is expected to fail
+ self.cli_verify_response(
+ cli_del_cmd,
+ "bfd udp session del: `bfd_udp_del_session' API call"
+ " failed, rv=-102:No such BFD object")
+ self.assertFalse(vpp_session.query_vpp_config())
+
+ def test_add_mod_del_bfd_udp6_auth(self):
+ """ create/modify/delete IPv6 BFD UDP session (authenticated) """
+ key = self.factory.create_random_key(
+ self, auth_type=BFDAuthType.meticulous_keyed_sha1)
+ key.add_vpp_config()
+ vpp_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip6, af=AF_INET6, sha1_key=key)
+ self.registry.register(vpp_session, self.logger)
+ cli_add_cmd = "bfd udp session add interface %s local-addr %s " \
+ "peer-addr %s desired-min-tx %s required-min-rx %s "\
+ "detect-mult %s conf-key-id %s bfd-key-id %s" \
+ % (self.pg0.name, self.pg0.local_ip6, self.pg0.remote_ip6,
+ vpp_session.desired_min_tx, vpp_session.required_min_rx,
+ vpp_session.detect_mult, key.conf_key_id,
+ vpp_session.bfd_key_id)
+ self.cli_verify_no_response(cli_add_cmd)
+ # 2nd add should fail
+ self.cli_verify_response(
+ cli_add_cmd,
+ "bfd udp session add: `bfd_add_add_session' API call"
+ " failed, rv=-101:Duplicate BFD object")
+ verify_bfd_session_config(self, vpp_session)
+ mod_session = VppBFDUDPSession(
+ self, self.pg0, self.pg0.remote_ip6, af=AF_INET6, sha1_key=key,
+ bfd_key_id=vpp_session.bfd_key_id,
+ required_min_rx=2 * vpp_session.required_min_rx,
+ desired_min_tx=3 * vpp_session.desired_min_tx,
+ detect_mult=4 * vpp_session.detect_mult)
+ self.cli_verify_no_response(
+ "bfd udp session mod interface %s local-addr %s peer-addr %s "
+ "desired-min-tx %s required-min-rx %s detect-mult %s" %
+ (self.pg0.name, self.pg0.local_ip6, self.pg0.remote_ip6,
+ mod_session.desired_min_tx,
+ mod_session.required_min_rx, mod_session.detect_mult))
+ verify_bfd_session_config(self, mod_session)
+ cli_del_cmd = "bfd udp session del interface %s local-addr %s "\
+ "peer-addr %s" % (self.pg0.name,
+ self.pg0.local_ip6, self.pg0.remote_ip6)
+ self.cli_verify_no_response(cli_del_cmd)
+ # 2nd del is expected to fail
+ self.cli_verify_response(
+ cli_del_cmd,
+ "bfd udp session del: `bfd_udp_del_session' API call"
+ " failed, rv=-102:No such BFD object")
+ self.assertFalse(vpp_session.query_vpp_config())
+
+ def test_auth_on_off(self):
+ """ turn authentication on and off """
+ key = self.factory.create_random_key(
+ self, auth_type=BFDAuthType.meticulous_keyed_sha1)
+ key.add_vpp_config()
+ session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4)
+ auth_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4,
+ sha1_key=key)
+ session.add_vpp_config()
+ cli_activate = \
+ "bfd udp session auth activate interface %s local-addr %s "\
+ "peer-addr %s conf-key-id %s bfd-key-id %s"\
+ % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4,
+ key.conf_key_id, auth_session.bfd_key_id)
+ self.cli_verify_no_response(cli_activate)
+ verify_bfd_session_config(self, auth_session)
+ self.cli_verify_no_response(cli_activate)
+ verify_bfd_session_config(self, auth_session)
+ cli_deactivate = \
+ "bfd udp session auth deactivate interface %s local-addr %s "\
+ "peer-addr %s "\
+ % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4)
+ self.cli_verify_no_response(cli_deactivate)
+ verify_bfd_session_config(self, session)
+ self.cli_verify_no_response(cli_deactivate)
+ verify_bfd_session_config(self, session)
+
+ def test_auth_on_off_delayed(self):
+ """ turn authentication on and off (delayed) """
+ key = self.factory.create_random_key(
+ self, auth_type=BFDAuthType.meticulous_keyed_sha1)
+ key.add_vpp_config()
+ session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4)
+ auth_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4,
+ sha1_key=key)
+ session.add_vpp_config()
+ cli_activate = \
+ "bfd udp session auth activate interface %s local-addr %s "\
+ "peer-addr %s conf-key-id %s bfd-key-id %s delayed yes"\
+ % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4,
+ key.conf_key_id, auth_session.bfd_key_id)
+ self.cli_verify_no_response(cli_activate)
+ verify_bfd_session_config(self, auth_session)
+ self.cli_verify_no_response(cli_activate)
+ verify_bfd_session_config(self, auth_session)
+ cli_deactivate = \
+ "bfd udp session auth deactivate interface %s local-addr %s "\
+ "peer-addr %s delayed yes"\
+ % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4)
+ self.cli_verify_no_response(cli_deactivate)
+ verify_bfd_session_config(self, session)
+ self.cli_verify_no_response(cli_deactivate)
+ verify_bfd_session_config(self, session)
+
+ def test_admin_up_down(self):
+ """ put session admin-up and admin-down """
+ session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4)
+ session.add_vpp_config()
+ cli_down = \
+ "bfd udp session set-flags admin down interface %s local-addr %s "\
+ "peer-addr %s "\
+ % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4)
+ cli_up = \
+ "bfd udp session set-flags admin up interface %s local-addr %s "\
+ "peer-addr %s "\
+ % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4)
+ self.cli_verify_no_response(cli_down)
+ verify_bfd_session_config(self, session, state=BFDState.admin_down)
+ self.cli_verify_no_response(cli_up)
+ verify_bfd_session_config(self, session, state=BFDState.down)
+
+ def test_set_del_udp_echo_source(self):
+ """ set/del udp echo source """
+ self.create_loopback_interfaces([0])
+ self.loopback0 = self.lo_interfaces[0]
+ self.loopback0.admin_up()
+ self.cli_verify_response("show bfd echo-source",
+ "UDP echo source is not set.")
+ cli_set = "bfd udp echo-source set interface %s" % self.loopback0.name
+ self.cli_verify_no_response(cli_set)
+ self.cli_verify_response("show bfd echo-source",
+ "UDP echo source is: %s\n"
+ "IPv4 address usable as echo source: none\n"
+ "IPv6 address usable as echo source: none" %
+ self.loopback0.name)
+ self.loopback0.config_ip4()
+ unpacked = unpack("!L", self.loopback0.local_ip4n)
+ echo_ip4 = inet_ntop(AF_INET, pack("!L", unpacked[0] ^ 1))
+ self.cli_verify_response("show bfd echo-source",
+ "UDP echo source is: %s\n"
+ "IPv4 address usable as echo source: %s\n"
+ "IPv6 address usable as echo source: none" %
+ (self.loopback0.name, echo_ip4))
+ unpacked = unpack("!LLLL", self.loopback0.local_ip6n)
+ echo_ip6 = inet_ntop(AF_INET6, pack("!LLLL", unpacked[0], unpacked[1],
+ unpacked[2], unpacked[3] ^ 1))
+ self.loopback0.config_ip6()
+ self.cli_verify_response("show bfd echo-source",
+ "UDP echo source is: %s\n"
+ "IPv4 address usable as echo source: %s\n"
+ "IPv6 address usable as echo source: %s" %
+ (self.loopback0.name, echo_ip4, echo_ip6))
+ cli_del = "bfd udp echo-source del"
+ self.cli_verify_no_response(cli_del)
+ self.cli_verify_response("show bfd echo-source",
+ "UDP echo source is not set.")
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
if obj.object_id() not in self._object_dict:
self._object_registry.append(obj)
self._object_dict[obj.object_id()] = obj
+ logger.debug("REG: registering %s" % obj)
else:
logger.debug("REG: duplicate add, ignoring (%s)" % obj)
L2_POP_1 = 3
+class UnexpectedApiReturnValueError(Exception):
+ """ exception raised when the API return value is unexpected """
+ pass
+
+
class VppPapiProvider(object):
"""VPP-api provider using vpp-papi
"return value instead of %d in %s" % \
(reply.retval, repr(reply))
self.test_class.logger.info(msg)
- raise Exception(msg)
+ raise UnexpectedApiReturnValueError(msg)
elif self._expect_api_retval == self._zero:
if hasattr(reply, 'retval') and reply.retval != expected_retval:
msg = "API call failed, expected zero return value instead "\
"of %d in %s" % (expected_retval, repr(reply))
self.test_class.logger.info(msg)
- raise Exception(msg)
+ raise UnexpectedApiReturnValueError(msg)
else:
raise Exception("Internal error, unexpected value for "
"self._expect_api_retval %s" %
return self.api(self.papi.bfd_udp_set_echo_source,
{'sw_if_index': sw_if_index})
+ def bfd_udp_del_echo_source(self):
+ return self.api(self.papi.bfd_udp_del_echo_source, {})
+
def classify_add_del_table(
self,
is_add,
Code Review / vpp.git / commitdiff