diff options
-rw-r--r-- | src/vnet/session/application_namespace.c | 66 | ||||
-rw-r--r-- | src/vnet/session/session_lookup.c | 52 | ||||
-rw-r--r-- | src/vnet/session/session_lookup.h | 1 | ||||
-rw-r--r-- | src/vnet/session/session_table.h | 2 | ||||
-rw-r--r-- | test/asf/test_vcl.py | 28 |
5 files changed, 56 insertions, 93 deletions
diff --git a/src/vnet/session/application_namespace.c b/src/vnet/session/application_namespace.c index 2520188d88c..dbc6a6be80f 100644 --- a/src/vnet/session/application_namespace.c +++ b/src/vnet/session/application_namespace.c @@ -22,12 +22,6 @@ #include <vppinfra/format_table.h> #include <vlib/unix/unix.h> -/* - * fib source when locking the fib table - */ -static fib_source_t app_namespace_fib_src = FIB_SOURCE_INVALID; -static u32 *fib_index_to_lock_count[FIB_PROTOCOL_IP6 + 1]; - /** * Hash table of application namespaces by app ns ids */ @@ -87,50 +81,6 @@ app_namespace_alloc (const u8 *ns_id) return app_ns; } -static void -app_namespace_fib_table_lock (u32 fib_index, u32 protocol) -{ - fib_table_lock (fib_index, protocol, app_namespace_fib_src); - vec_validate (fib_index_to_lock_count[protocol], fib_index); - fib_index_to_lock_count[protocol][fib_index]++; - ASSERT (fib_index_to_lock_count[protocol][fib_index] > 0); -} - -static void -app_namespace_fib_table_unlock (u32 fib_index, u32 protocol) -{ - fib_table_unlock (fib_index, protocol, app_namespace_fib_src); - ASSERT (fib_index_to_lock_count[protocol][fib_index] > 0); - fib_index_to_lock_count[protocol][fib_index]--; -} - -static void -app_namespace_del_global_table (app_namespace_t *app_ns) -{ - session_table_t *st; - u32 table_index; - - app_namespace_fib_table_unlock (app_ns->ip4_fib_index, FIB_PROTOCOL_IP4); - if (fib_index_to_lock_count[FIB_PROTOCOL_IP4][app_ns->ip4_fib_index] == 0) - { - table_index = session_lookup_get_index_for_fib (FIB_PROTOCOL_IP4, - app_ns->ip4_fib_index); - st = session_table_get (table_index); - if (st) - session_table_free (st, FIB_PROTOCOL_IP4); - } - - app_namespace_fib_table_unlock (app_ns->ip6_fib_index, FIB_PROTOCOL_IP6); - if (fib_index_to_lock_count[FIB_PROTOCOL_IP6][app_ns->ip6_fib_index] == 0) - { - table_index = session_lookup_get_index_for_fib (FIB_PROTOCOL_IP6, - app_ns->ip6_fib_index); - st = session_table_get (table_index); - if (st) - session_table_free (st, FIB_PROTOCOL_IP6); - } -} - session_error_t vnet_app_namespace_add_del (vnet_app_namespace_add_del_args_t *a) { @@ -188,11 +138,7 @@ vnet_app_namespace_add_del (vnet_app_namespace_add_del_args_t *a) app_ns->sw_if_index = a->sw_if_index; app_ns->ip4_fib_index = fib_table_find (FIB_PROTOCOL_IP4, a->ip4_fib_id); - app_namespace_fib_table_lock (app_ns->ip4_fib_index, FIB_PROTOCOL_IP4); - app_ns->ip6_fib_index = fib_table_find (FIB_PROTOCOL_IP6, a->ip6_fib_id); - app_namespace_fib_table_lock (app_ns->ip6_fib_index, FIB_PROTOCOL_IP6); - session_lookup_set_tables_appns (app_ns); } else @@ -216,7 +162,8 @@ vnet_app_namespace_add_del (vnet_app_namespace_add_del_args_t *a) if (app_ns->sock_name) vec_free (app_ns->sock_name); - app_namespace_del_global_table (app_ns); + session_lookup_table_cleanup (FIB_PROTOCOL_IP4, app_ns->ip4_fib_index); + session_lookup_table_cleanup (FIB_PROTOCOL_IP6, app_ns->ip6_fib_index); app_namespace_free (app_ns); } @@ -290,15 +237,6 @@ app_namespaces_init (void) { u8 *ns_id = format (0, "default"); - /* We are not contributing any route to the fib. But we allocate a fib source - * so that when we lock the fib table, we can view that we have a lock on the - * particular fib table in case we wonder why the fib table is not free after - * "ip table del" - */ - if (app_namespace_fib_src == FIB_SOURCE_INVALID) - app_namespace_fib_src = fib_source_allocate ( - "application namespace", FIB_SOURCE_PRIORITY_LOW, FIB_SOURCE_BH_SIMPLE); - if (!app_namespace_lookup_table) app_namespace_lookup_table = hash_create_vec (0, sizeof (u8), sizeof (uword)); diff --git a/src/vnet/session/session_lookup.c b/src/vnet/session/session_lookup.c index ff6e5818ce5..1e58e5e7806 100644 --- a/src/vnet/session/session_lookup.c +++ b/src/vnet/session/session_lookup.c @@ -37,6 +37,8 @@ static session_lookup_main_t sl_main; */ static u32 *fib_index_to_table_index[2]; +static u32 *fib_index_to_lock_count[2]; + /* 16 octets */ typedef CLIB_PACKED (struct { union @@ -1392,6 +1394,23 @@ vnet_session_rule_add_del (session_rule_add_del_args_t *args) return rv; } +static void +session_lookup_fib_table_lock (u32 fib_index, u32 protocol) +{ + fib_table_lock (fib_index, protocol, sl_main.fib_src); + vec_validate (fib_index_to_lock_count[protocol], fib_index); + fib_index_to_lock_count[protocol][fib_index]++; + ASSERT (fib_index_to_lock_count[protocol][fib_index] > 0); +} + +static void +session_lookup_fib_table_unlock (u32 fib_index, u32 protocol) +{ + fib_table_unlock (fib_index, protocol, sl_main.fib_src); + ASSERT (fib_index_to_lock_count[protocol][fib_index] > 0); + fib_index_to_lock_count[protocol][fib_index]--; +} + /** * Mark (global) tables as pertaining to app ns */ @@ -1407,7 +1426,10 @@ session_lookup_set_tables_appns (app_namespace_t * app_ns) fib_index = app_namespace_get_fib_index (app_ns, fp); st = session_table_get_or_alloc (fp, fib_index); if (st) - st->appns_index = app_namespace_index (app_ns); + { + st->appns_index = app_namespace_index (app_ns); + session_lookup_fib_table_lock (fib_index, fp); + } } } @@ -1859,6 +1881,14 @@ session_lookup_init (void) clib_spinlock_init (&slm->st_alloc_lock); + /* We are not contributing any route to the fib. But we allocate a fib source + * so that when we lock the fib table, we can view that we have a lock on the + * particular fib table in case we wonder why the fib table is not free after + * "ip table del" + */ + slm->fib_src = fib_source_allocate ( + "session lookup", FIB_SOURCE_PRIORITY_LOW, FIB_SOURCE_BH_SIMPLE); + /* * Allocate default table and map it to fib_index 0 */ @@ -1874,6 +1904,26 @@ session_lookup_init (void) session_table_init (st, FIB_PROTOCOL_IP6); } +void +session_lookup_table_cleanup (u32 fib_proto, u32 fib_index) +{ + session_table_t *st; + u32 table_index; + + session_lookup_fib_table_unlock (fib_index, fib_proto); + if (fib_index_to_lock_count[fib_proto][fib_index] == 0) + { + table_index = session_lookup_get_index_for_fib (fib_proto, fib_index); + st = session_table_get (table_index); + if (st) + { + session_table_free (st, fib_proto); + if (vec_len (fib_index_to_table_index[fib_proto]) > fib_index) + fib_index_to_table_index[fib_proto][fib_index] = ~0; + } + } +} + /* * fd.io coding-style-patch-verification: ON * diff --git a/src/vnet/session/session_lookup.h b/src/vnet/session/session_lookup.h index f9ffc15165a..95fcca6ff69 100644 --- a/src/vnet/session/session_lookup.h +++ b/src/vnet/session/session_lookup.h @@ -32,6 +32,7 @@ typedef enum session_lookup_result_ typedef struct session_lookup_main_ { clib_spinlock_t st_alloc_lock; + fib_source_t fib_src; } session_lookup_main_t; session_t *session_lookup_safe4 (u32 fib_index, ip4_address_t * lcl, diff --git a/src/vnet/session/session_table.h b/src/vnet/session/session_table.h index 636b8d77bee..bcbb6ec3037 100644 --- a/src/vnet/session/session_table.h +++ b/src/vnet/session/session_table.h @@ -78,6 +78,8 @@ session_table_t *_get_session_tables (); #define session_table_foreach(VAR, BODY) \ pool_foreach (VAR, _get_session_tables ()) BODY +void session_lookup_table_cleanup (u32 fib_proto, u32 fib_index); + #endif /* SRC_VNET_SESSION_SESSION_TABLE_H_ */ /* * fd.io coding-style-patch-verification: ON diff --git a/test/asf/test_vcl.py b/test/asf/test_vcl.py index a186c6fe8c5..11b77aeb0cc 100644 --- a/test/asf/test_vcl.py +++ b/test/asf/test_vcl.py @@ -1006,34 +1006,6 @@ class LDPThruHostStackIperf(VCLTestCase): iperf3, self.server_iperf3_args, iperf3, self.client_iperf3_args ) - -class LDPThruHostStackIperfMss(VCLTestCase): - """LDP Thru Host Stack Iperf with MSS""" - - @classmethod - def setUpClass(cls): - super(LDPThruHostStackIperfMss, cls).setUpClass() - - @classmethod - def tearDownClass(cls): - super(LDPThruHostStackIperfMss, cls).tearDownClass() - - def setUp(self): - super(LDPThruHostStackIperfMss, self).setUp() - - self.thru_host_stack_setup() - self.client_iperf3_timeout = 20 - self.client_iperf3_args = ["-4", "-t 2", "-c", self.loop0.local_ip4] - self.server_iperf3_args = ["-4", "-s"] - - def tearDown(self): - self.thru_host_stack_tear_down() - super(LDPThruHostStackIperfMss, self).tearDown() - - def show_commands_at_teardown(self): - self.logger.debug(self.vapi.cli("show session verbose 2")) - self.logger.debug(self.vapi.cli("show app mq")) - @unittest.skipUnless(_have_iperf3, "'%s' not found, Skipping.") def test_ldp_thru_host_stack_iperf3_mss(self): """run LDP thru host stack iperf3 test with mss option""" |