diff options
Diffstat (limited to 'src/vnet/ip/reass/ip4_full_reass.c')
| -rw-r--r-- | src/vnet/ip/reass/ip4_full_reass.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/vnet/ip/reass/ip4_full_reass.c b/src/vnet/ip/reass/ip4_full_reass.c index 176c01c74fb..87a677208fb 100644 --- a/src/vnet/ip/reass/ip4_full_reass.c +++ b/src/vnet/ip/reass/ip4_full_reass.c @@ -185,6 +185,8 @@ typedef struct u32 fq_index; u32 fq_feature_index; + // reference count for enabling/disabling feature - per interface + u32 *feature_use_refcount_per_intf; } ip4_full_reass_main_t; extern ip4_full_reass_main_t ip4_full_reass_main; @@ -1448,6 +1450,7 @@ ip4_full_reass_init_function (vlib_main_t * vm) rm->fq_feature_index = vlib_frame_queue_main_init (ip4_full_reass_node_feature.index, 0); + rm->feature_use_refcount_per_intf = NULL; return error; } @@ -1793,6 +1796,35 @@ VLIB_REGISTER_NODE (ip4_full_reass_feature_handoff_node) = { }; /* *INDENT-ON* */ +#ifndef CLIB_MARCH_VARIANT +int +ip4_full_reass_enable_disable_with_refcnt (u32 sw_if_index, int is_enable) +{ + ip4_full_reass_main_t *rm = &ip4_full_reass_main; + vec_validate (rm->feature_use_refcount_per_intf, sw_if_index); + if (is_enable) + { + if (!rm->feature_use_refcount_per_intf[sw_if_index]) + { + ++rm->feature_use_refcount_per_intf[sw_if_index]; + return vnet_feature_enable_disable ("ip4-unicast", + "ip4-full-reassembly-feature", + sw_if_index, 1, 0, 0); + } + ++rm->feature_use_refcount_per_intf[sw_if_index]; + } + else + { + --rm->feature_use_refcount_per_intf[sw_if_index]; + if (!rm->feature_use_refcount_per_intf[sw_if_index]) + return vnet_feature_enable_disable ("ip4-unicast", + "ip4-full-reassembly-feature", + sw_if_index, 0, 0, 0); + } + return -1; +} +#endif + /* * fd.io coding-style-patch-verification: ON * |