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-rw-r--r--src/vnet/bfd/bfd.api20
-rw-r--r--src/vnet/bfd/bfd_api.c21
-rw-r--r--src/vnet/bfd/bfd_api.h9
-rw-r--r--src/vnet/bfd/bfd_udp.c92
-rw-r--r--test/bfd.py24
-rw-r--r--test/test_bfd.py28
6 files changed, 172 insertions, 22 deletions
diff --git a/src/vnet/bfd/bfd.api b/src/vnet/bfd/bfd.api
index f53cc7630fd..3957a94f6a6 100644
--- a/src/vnet/bfd/bfd.api
+++ b/src/vnet/bfd/bfd.api
@@ -107,6 +107,26 @@ autoreply define bfd_udp_add
u8 bfd_key_id;
u32 conf_key_id;
};
+define bfd_udp_upd
+{
+ u32 client_index;
+ u32 context;
+ vl_api_interface_index_t sw_if_index;
+ u32 desired_min_tx;
+ u32 required_min_rx;
+ vl_api_address_t local_addr;
+ vl_api_address_t peer_addr;
+ u8 detect_mult;
+ bool is_authenticated;
+ u8 bfd_key_id;
+ u32 conf_key_id;
+};
+define bfd_udp_upd_reply
+{
+ u32 context;
+ i32 retval;
+ u32 stats_index;
+};
/** \brief Modify UDP BFD session on interface
@param client_index - opaque cookie to identify the sender
diff --git a/src/vnet/bfd/bfd_api.c b/src/vnet/bfd/bfd_api.c
index 0ae8508f865..4d76f71fd9f 100644
--- a/src/vnet/bfd/bfd_api.c
+++ b/src/vnet/bfd/bfd_api.c
@@ -71,6 +71,27 @@ vl_api_bfd_udp_add_t_handler (vl_api_bfd_udp_add_t * mp)
}
static void
+vl_api_bfd_udp_upd_t_handler (vl_api_bfd_udp_add_t *mp)
+{
+ vl_api_bfd_udp_upd_reply_t *rmp;
+ int rv;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ BFD_UDP_API_PARAM_COMMON_CODE;
+
+ rv = bfd_udp_upd_session (
+ BFD_UDP_API_PARAM_FROM_MP (mp), clib_net_to_host_u32 (mp->desired_min_tx),
+ clib_net_to_host_u32 (mp->required_min_rx), mp->detect_mult,
+ mp->is_authenticated, clib_net_to_host_u32 (mp->conf_key_id),
+ mp->bfd_key_id);
+
+ BAD_SW_IF_INDEX_LABEL;
+ REPLY_MACRO2 (VL_API_BFD_UDP_UPD_REPLY,
+ ({ rmp->stats_index = clib_host_to_net_u32 (0); }));
+}
+
+static void
vl_api_bfd_udp_mod_t_handler (vl_api_bfd_udp_mod_t * mp)
{
vl_api_bfd_udp_mod_reply_t *rmp;
diff --git a/src/vnet/bfd/bfd_api.h b/src/vnet/bfd/bfd_api.h
index 2a6c69b78b6..f051e6b679c 100644
--- a/src/vnet/bfd/bfd_api.h
+++ b/src/vnet/bfd/bfd_api.h
@@ -45,6 +45,15 @@ bfd_udp_add_session (u32 sw_if_index, const ip46_address_t * local_addr,
u8 bfd_key_id);
/**
+ * @brief create a new or modify and existing bfd session
+ */
+vnet_api_error_t
+bfd_udp_upd_session (u32 sw_if_index, const ip46_address_t *local_addr,
+ const ip46_address_t *peer_addr, u32 desired_min_tx_usec,
+ u32 required_min_rx_usec, u8 detect_mult,
+ u8 is_authenticated, u32 conf_key_id, u8 bfd_key_id);
+
+/**
* @brief modify existing session
*/
vnet_api_error_t
diff --git a/src/vnet/bfd/bfd_udp.c b/src/vnet/bfd/bfd_udp.c
index 333b321f3c1..a58d9e2e1ca 100644
--- a/src/vnet/bfd/bfd_udp.c
+++ b/src/vnet/bfd/bfd_udp.c
@@ -738,6 +738,39 @@ bfd_udp_del_session_internal (vlib_main_t * vm, bfd_session_t * bs)
bfd_put_session (bum->bfd_main, bs);
}
+static vnet_api_error_t
+bfd_udp_add_and_start_session (u32 sw_if_index,
+ const ip46_address_t *local_addr,
+ const ip46_address_t *peer_addr,
+ u32 desired_min_tx_usec,
+ u32 required_min_rx_usec, u8 detect_mult,
+ u8 is_authenticated, u32 conf_key_id,
+ u8 bfd_key_id)
+{
+ bfd_session_t *bs = NULL;
+ vnet_api_error_t rv;
+
+ rv = bfd_udp_add_session_internal (
+ vlib_get_main (), &bfd_udp_main, sw_if_index, desired_min_tx_usec,
+ required_min_rx_usec, detect_mult, local_addr, peer_addr, &bs);
+
+ if (!rv && is_authenticated)
+ {
+ rv = bfd_auth_activate (bs, conf_key_id, bfd_key_id,
+ 0 /* is not delayed */);
+ if (rv)
+ {
+ bfd_udp_del_session_internal (vlib_get_main (), bs);
+ }
+ }
+ if (!rv)
+ {
+ bfd_session_start (bfd_udp_main.bfd_main, bs);
+ }
+
+ return rv;
+}
+
vnet_api_error_t
bfd_udp_add_session (u32 sw_if_index, const ip46_address_t * local_addr,
const ip46_address_t * peer_addr,
@@ -752,27 +785,44 @@ bfd_udp_add_session (u32 sw_if_index, const ip46_address_t * local_addr,
bfd_api_verify_common (sw_if_index, desired_min_tx_usec,
required_min_rx_usec, detect_mult,
local_addr, peer_addr);
- bfd_session_t *bs = NULL;
+
if (!rv)
- {
- rv =
- bfd_udp_add_session_internal (vlib_get_main (), &bfd_udp_main,
- sw_if_index, desired_min_tx_usec,
- required_min_rx_usec, detect_mult,
- local_addr, peer_addr, &bs);
- }
- if (!rv && is_authenticated)
- {
- rv = bfd_auth_activate (bs, conf_key_id, bfd_key_id,
- 0 /* is not delayed */ );
- if (rv)
- {
- bfd_udp_del_session_internal (vlib_get_main (), bs);
- }
- }
+ rv = bfd_udp_add_and_start_session (
+ sw_if_index, local_addr, peer_addr, desired_min_tx_usec,
+ required_min_rx_usec, detect_mult, is_authenticated, conf_key_id,
+ bfd_key_id);
+
+ bfd_unlock (bm);
+ return rv;
+}
+
+vnet_api_error_t
+bfd_udp_upd_session (u32 sw_if_index, const ip46_address_t *local_addr,
+ const ip46_address_t *peer_addr, u32 desired_min_tx_usec,
+ u32 required_min_rx_usec, u8 detect_mult,
+ u8 is_authenticated, u32 conf_key_id, u8 bfd_key_id)
+{
+ bfd_main_t *bm = &bfd_main;
+ bfd_lock (bm);
+
+ vnet_api_error_t rv = bfd_api_verify_common (
+ sw_if_index, desired_min_tx_usec, required_min_rx_usec, detect_mult,
+ local_addr, peer_addr);
if (!rv)
{
- bfd_session_start (bfd_udp_main.bfd_main, bs);
+ bfd_session_t *bs = NULL;
+
+ rv = bfd_udp_find_session_by_api_input (sw_if_index, local_addr,
+ peer_addr, &bs);
+ if (VNET_API_ERROR_BFD_ENOENT == rv)
+ rv = bfd_udp_add_and_start_session (
+ sw_if_index, local_addr, peer_addr, desired_min_tx_usec,
+ required_min_rx_usec, detect_mult, is_authenticated, conf_key_id,
+ bfd_key_id);
+ else
+ rv = bfd_session_set_params (bfd_udp_main.bfd_main, bs,
+ desired_min_tx_usec, required_min_rx_usec,
+ detect_mult);
}
bfd_unlock (bm);
@@ -780,10 +830,8 @@ bfd_udp_add_session (u32 sw_if_index, const ip46_address_t * local_addr,
}
vnet_api_error_t
-bfd_udp_mod_session (u32 sw_if_index,
- const ip46_address_t * local_addr,
- const ip46_address_t * peer_addr,
- u32 desired_min_tx_usec,
+bfd_udp_mod_session (u32 sw_if_index, const ip46_address_t *local_addr,
+ const ip46_address_t *peer_addr, u32 desired_min_tx_usec,
u32 required_min_rx_usec, u8 detect_mult)
{
bfd_session_t *bs = NULL;
diff --git a/test/bfd.py b/test/bfd.py
index 9d44425ec9f..bbfa5945593 100644
--- a/test/bfd.py
+++ b/test/bfd.py
@@ -392,6 +392,30 @@ class VppBFDUDPSession(VppObject):
is_authenticated=is_authenticated)
self._test.registry.register(self, self.test.logger)
+ def upd_vpp_config(self,
+ detect_mult=None,
+ desired_min_tx=None,
+ required_min_rx=None):
+ if desired_min_tx:
+ self._desired_min_tx = desired_min_tx
+ if required_min_rx:
+ self._required_min_rx = required_min_rx
+ if detect_mult:
+ self._detect_mult = detect_mult
+ bfd_key_id = self._bfd_key_id if self._sha1_key else None
+ conf_key_id = self._sha1_key.conf_key_id if self._sha1_key else None
+ is_authenticated = True if self._sha1_key else False
+ self.test.vapi.bfd_udp_upd(sw_if_index=self._interface.sw_if_index,
+ desired_min_tx=self.desired_min_tx,
+ required_min_rx=self.required_min_rx,
+ detect_mult=self.detect_mult,
+ local_addr=self.local_addr,
+ peer_addr=self.peer_addr,
+ bfd_key_id=bfd_key_id,
+ conf_key_id=conf_key_id,
+ is_authenticated=is_authenticated)
+ self._test.registry.register(self, self.test.logger)
+
def query_vpp_config(self):
session = self.get_bfd_udp_session_dump_entry()
return session is not None
diff --git a/test/test_bfd.py b/test/test_bfd.py
index e6a710d7bf9..7a444cb3caf 100644
--- a/test/test_bfd.py
+++ b/test/test_bfd.py
@@ -142,6 +142,34 @@ class BFDAPITestCase(VppTestCase):
"required min receive interval")
self.assert_equal(session.detect_mult, s.detect_mult, "detect mult")
+ def test_upd_bfd(self):
+ """ Create/Modify w/ Update BFD session parameters """
+ session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4,
+ desired_min_tx=50000,
+ required_min_rx=10000,
+ detect_mult=1)
+ session.upd_vpp_config()
+ s = session.get_bfd_udp_session_dump_entry()
+ self.assert_equal(session.desired_min_tx,
+ s.desired_min_tx,
+ "desired min transmit interval")
+ self.assert_equal(session.required_min_rx,
+ s.required_min_rx,
+ "required min receive interval")
+
+ self.assert_equal(session.detect_mult, s.detect_mult, "detect mult")
+ session.upd_vpp_config(desired_min_tx=session.desired_min_tx * 2,
+ required_min_rx=session.required_min_rx * 2,
+ detect_mult=session.detect_mult * 2)
+ s = session.get_bfd_udp_session_dump_entry()
+ self.assert_equal(session.desired_min_tx,
+ s.desired_min_tx,
+ "desired min transmit interval")
+ self.assert_equal(session.required_min_rx,
+ s.required_min_rx,
+ "required min receive interval")
+ self.assert_equal(session.detect_mult, s.detect_mult, "detect mult")
+
def test_add_sha1_keys(self):
""" add SHA1 keys """
key_count = 10