diff options
| -rw-r--r-- | src/vnet/bfd/bfd_udp.c | 75 | ||||
| -rw-r--r-- | test/test_bfd.py | 30 |
2 files changed, 72 insertions, 33 deletions
diff --git a/src/vnet/bfd/bfd_udp.c b/src/vnet/bfd/bfd_udp.c index ebee590b795..346c54956fe 100644 --- a/src/vnet/bfd/bfd_udp.c +++ b/src/vnet/bfd/bfd_udp.c @@ -177,11 +177,11 @@ bfd_udp_get_echo_src_ip4 (ip4_address_t * addr) if (ia->address_length <= 31) { addr->as_u32 = clib_host_to_net_u32 (x->as_u32); - /* - * flip the last bit to get a different address, might be network, - * we don't care ... - */ - addr->as_u32 ^= 1; + /* + * flip the last bit to get a different address, might be network, + * we don't care ... + */ + addr->as_u32 ^= 1; addr->as_u32 = clib_net_to_host_u32 (addr->as_u32); return 1; } @@ -221,9 +221,9 @@ bfd_udp_get_echo_src_ip6 (ip6_address_t * addr) } 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) +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) { @@ -239,8 +239,8 @@ bfd_udp_get_echo_source (int *is_set, u32 * sw_if_index, int *have_usable_ip4, } int -bfd_add_udp4_transport (vlib_main_t * vm, u32 bi, - const bfd_session_t * bs, int is_echo) +bfd_add_udp4_transport (vlib_main_t * vm, u32 bi, const bfd_session_t * bs, + int is_echo) { const bfd_udp_session_t *bus = &bs->udp; const bfd_udp_key_t *key = &bus->key; @@ -294,8 +294,8 @@ bfd_add_udp4_transport (vlib_main_t * vm, u32 bi, } int -bfd_add_udp6_transport (vlib_main_t * vm, u32 bi, - const bfd_session_t * bs, int is_echo) +bfd_add_udp6_transport (vlib_main_t * vm, u32 bi, const bfd_session_t * bs, + int is_echo) { const bfd_udp_session_t *bus = &bs->udp; const bfd_udp_key_t *key = &bus->key; @@ -1200,8 +1200,8 @@ bfd_udp_input (vlib_main_t * vm, vlib_node_runtime_t * rt, b0->current_data = 0; b0->current_length = 0; memset (vnet_buffer (b0), 0, sizeof (*vnet_buffer (b0))); - bfd_init_final_control_frame (vm, b0, bfd_udp_main.bfd_main, - bs, 0); + bfd_init_final_control_frame (vm, b0, bfd_udp_main.bfd_main, bs, + 0); if (is_ipv6) { vlib_node_increment_counter (vm, bfd_udp6_input_node.index, @@ -1440,29 +1440,38 @@ VLIB_REGISTER_NODE (bfd_udp_echo6_input_node, static) = { /* *INDENT-ON* */ static clib_error_t * -bfd_sw_interface_up_down (vnet_main_t * vnm, u32 sw_if_index, u32 flags) +bfd_udp_sw_if_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_create) { - // vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index); - if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)) - { - /* TODO */ - } - return 0; -} - -VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (bfd_sw_interface_up_down); - -static clib_error_t * -bfd_hw_interface_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags) -{ - if (flags & VNET_HW_INTERFACE_FLAG_LINK_UP) - { - /* TODO */ - } + bfd_session_t **to_be_freed = NULL; + BFD_DBG ("sw_if_add_del called, sw_if_index=%u, is_create=%u", sw_if_index, + is_create); + if (!is_create) + { + bfd_session_t *bs; + pool_foreach (bs, bfd_udp_main.bfd_main->sessions, + { + if (bs->transport != BFD_TRANSPORT_UDP4 && + bs->transport != BFD_TRANSPORT_UDP6) + { + continue;} + if (bs->udp.key.sw_if_index != sw_if_index) + { + continue;} + vec_add1 (to_be_freed, bs);} + ); + } + bfd_session_t **bs; + vec_foreach (bs, to_be_freed) + { + clib_warning ("removal of sw_if_index=%u forces removal of bfd session " + "with bs_idx=%u", sw_if_index, (*bs)->bs_idx); + bfd_session_set_flags (*bs, 0); + bfd_udp_del_session_internal (*bs); + } return 0; } -VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (bfd_hw_interface_up_down); +VNET_SW_INTERFACE_ADD_DEL_FUNCTION (bfd_udp_sw_if_add_del); /* * setup function diff --git a/test/test_bfd.py b/test/test_bfd.py index 0923d36d8ba..be42cdadd46 100644 --- a/test/test_bfd.py +++ b/test/test_bfd.py @@ -17,6 +17,7 @@ from bfd import VppBFDAuthKey, BFD, BFDAuthType, VppBFDUDPSession, \ BFDDiagCode, BFDState, BFD_vpp_echo from framework import VppTestCase, VppTestRunner, running_extended_tests from vpp_pg_interface import CaptureTimeoutError, is_ipv6_misc +from vpp_lo_interface import VppLoInterface from util import ppp from vpp_papi_provider import UnexpectedApiReturnValueError from vpp_ip_route import VppIpRoute, VppRoutePath @@ -1403,6 +1404,20 @@ class BFD4TestCase(VppTestCase): self.assert_equal(count, 0, "number of packets received") self.assert_equal(len(events), 0, "number of events received") + def test_intf_deleted(self): + """ interface with bfd session deleted """ + intf = VppLoInterface(self, 0) + intf.config_ip4() + intf.admin_up() + sw_if_index = intf.sw_if_index + vpp_session = VppBFDUDPSession(self, intf, intf.remote_ip4) + vpp_session.add_vpp_config() + vpp_session.admin_up() + intf.remove_vpp_config() + e = self.vapi.wait_for_event(1, "bfd_udp_session_details") + self.assert_equal(e.sw_if_index, sw_if_index, "sw_if_index") + self.assertFalse(vpp_session.query_vpp_config()) + @unittest.skipUnless(running_extended_tests(), "part of extended tests") class BFD6TestCase(VppTestCase): @@ -1597,6 +1612,21 @@ class BFD6TestCase(VppTestCase): self.test_session.send_packet() self.assertTrue(echo_seen, "No echo packets received") + def test_intf_deleted(self): + """ interface with bfd session deleted """ + intf = VppLoInterface(self, 0) + intf.config_ip6() + intf.admin_up() + sw_if_index = intf.sw_if_index + vpp_session = VppBFDUDPSession( + self, intf, intf.remote_ip6, af=AF_INET6) + vpp_session.add_vpp_config() + vpp_session.admin_up() + intf.remove_vpp_config() + e = self.vapi.wait_for_event(1, "bfd_udp_session_details") + self.assert_equal(e.sw_if_index, sw_if_index, "sw_if_index") + self.assertFalse(vpp_session.query_vpp_config()) + @unittest.skipUnless(running_extended_tests(), "part of extended tests") class BFDFIBTestCase(VppTestCase): |