diff options
| author |   Matus Fabian <matfabia@cisco.com> | 2017-09-22 02:43:05 -0700 |
|---|---|---|
| committer |   Ole Trøan <otroan@employees.org> | 2017-09-25 07:01:57 +0000 |
| commit | 41fef50d5db5e7deb3cfd901c3108abbc4406813 (patch) | |
| tree | 3618d4a8ce87f9b89cedff3624d28b1118a1c218 /src/plugins/nat/nat.h | |
| parent | ba3c4e88c102afd601fbac0e02de73a28a279a73 (diff) | |
NAT: session number limitation to avoid running out of memory crash (VPP-984)
Change-Id: I7f18f8c4ba609d96950dc1f833feb967d4a099b7
Signed-off-by: Matus Fabian <matfabia@cisco.com>
Diffstat (limited to 'src/plugins/nat/nat.h')
| -rw-r--r-- | src/plugins/nat/nat.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/plugins/nat/nat.h b/src/plugins/nat/nat.h index 20e45952d55..d34ff07b7fe 100644 --- a/src/plugins/nat/nat.h +++ b/src/plugins/nat/nat.h @@ -345,6 +345,7 @@ typedef struct snat_main_s { u8 deterministic; u32 translation_buckets; u32 translation_memory_size; + u32 max_translations; u32 user_buckets; u32 user_memory_size; u32 max_translations_per_user; @@ -551,4 +552,13 @@ is_interface_addr(snat_main_t *sm, vlib_node_runtime_t *node, u32 sw_if_index0, return 0; } +always_inline u8 +maximum_sessions_exceeded (snat_main_t *sm, u32 thread_index) +{ + if (pool_elts (sm->per_thread_data[thread_index].sessions) >= sm->max_translations) + return 1; + + return 0; +} + #endif /* __included_nat_h__ */ |