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authorNathan Skrzypczak <nathan.skrzypczak@gmail.com>2021-09-17 17:29:14 +0200
committerNeale Ranns <neale@graphiant.com>2021-10-11 12:04:03 +0000
commit275bd796346c3b1618170f4eda36b9a41ade9c87 (patch)
tree197df1102b0a3981c6a875100f521806a170f45c /src/plugins/unittest
parentbd23b405fbe99034d75a46b060567e5adf62c04e (diff)
ip: fix fib and mfib locks
This patches fixes an issue that could cause fib locks to underflow: if an API user deletes a fib and quickly recreates it, the fib may not have been actually deleted. As a result, the lock would not be incremented on the create call leading to the fib potentially disappearing afterwards - or to the lock to underflow when the fib is deleted again. In order to keep the existing API semantics, we use the locks with API and CLI source as flags. This means we need to use a different counter for the interface-related locks. This also prevents an issue where an interface being bound to a vrf via API and released via CLI could mess up the lock counter. Finally, this will help with cleaning up the interface-related locks on interface deletion in a later patch. Type: fix Change-Id: I93030a7660646d6dd179ddf27fe4e708aa11b90e Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com> Signed-off-by: Aloys Augustin <aloaugus@cisco.com>
Diffstat (limited to 'src/plugins/unittest')
-rw-r--r--src/plugins/unittest/fib_test.c4
-rw-r--r--src/plugins/unittest/mfib_test.c8
-rw-r--r--src/plugins/unittest/session_test.c2
3 files changed, 5 insertions, 9 deletions
diff --git a/src/plugins/unittest/fib_test.c b/src/plugins/unittest/fib_test.c
index f5ee4ae69e5..26e2d247666 100644
--- a/src/plugins/unittest/fib_test.c
+++ b/src/plugins/unittest/fib_test.c
@@ -8564,7 +8564,7 @@ lfib_test (void)
mpls_table_create(MPLS_FIB_DEFAULT_TABLE_ID, FIB_SOURCE_API, NULL);
mpls_sw_interface_enable_disable(&mpls_main,
tm->hw[0]->sw_if_index,
- 1, 1);
+ 1);
ip46_address_t nh_10_10_10_1 = {
.ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a01),
@@ -9135,7 +9135,7 @@ lfib_test (void)
*/
mpls_sw_interface_enable_disable(&mpls_main,
tm->hw[0]->sw_if_index,
- 0, 1);
+ 0);
mpls_table_delete(MPLS_FIB_DEFAULT_TABLE_ID, FIB_SOURCE_API);
FIB_TEST(0 == pool_elts(mpls_disp_dpo_pool),
diff --git a/src/plugins/unittest/mfib_test.c b/src/plugins/unittest/mfib_test.c
index 73abd07e80c..0faa20c0934 100644
--- a/src/plugins/unittest/mfib_test.c
+++ b/src/plugins/unittest/mfib_test.c
@@ -1193,9 +1193,7 @@ mfib_test_i (fib_protocol_t PROTO,
* MPLS enable an interface so we get the MPLS table created
*/
mpls_table_create(MPLS_FIB_DEFAULT_TABLE_ID, FIB_SOURCE_API, NULL);
- mpls_sw_interface_enable_disable(&mpls_main,
- tm->hw[0]->sw_if_index,
- 1, 0);
+ mpls_sw_interface_enable_disable (&mpls_main, tm->hw[0]->sw_if_index, 1);
lfei = fib_table_entry_update_one_path(0, // default MPLS Table
&pfx_3500,
@@ -1291,9 +1289,7 @@ mfib_test_i (fib_protocol_t PROTO,
/*
* MPLS disable the interface
*/
- mpls_sw_interface_enable_disable(&mpls_main,
- tm->hw[0]->sw_if_index,
- 0, 0);
+ mpls_sw_interface_enable_disable (&mpls_main, tm->hw[0]->sw_if_index, 0);
mpls_table_delete(MPLS_FIB_DEFAULT_TABLE_ID, FIB_SOURCE_API);
/*
diff --git a/src/plugins/unittest/session_test.c b/src/plugins/unittest/session_test.c
index 292f7253a67..651658e3676 100644
--- a/src/plugins/unittest/session_test.c
+++ b/src/plugins/unittest/session_test.c
@@ -136,7 +136,7 @@ session_create_lookpback (u32 table_id, u32 * sw_if_index,
if (table_id != 0)
{
ip_table_create (FIB_PROTOCOL_IP4, table_id, 0, 0);
- ip_table_bind (FIB_PROTOCOL_IP4, *sw_if_index, table_id, 0);
+ ip_table_bind (FIB_PROTOCOL_IP4, *sw_if_index, table_id);
}
vnet_sw_interface_set_flags (vnet_get_main (), *sw_if_index,