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authorSteven Luong <sluong@cisco.com>2020-07-27 10:06:58 -0700
committerOle Trøan <otroan@employees.org>2020-08-14 08:15:31 +0000
commitc3ed1c99134d063dff03c4babe0ebbf5cc0e8ab2 (patch)
tree0a5fa53b402f4995cfb345f9134a23f88fe86a08 /src/vnet/ip/ip_api.c
parent2f630188b91b58eca379c9cc9944986af3e00ae5 (diff)
ip: add VNET_IP_TABLE_ADD_DEL_FUNCTION
vrf table may be dynamically added or deleted. When the table is deleted, clients who use the corresponding vrf table may need a callback to do the clean up. The mechanism added here is cloned from VNET_SW_INTERFACE_ADD_DEL_FUNCTION. Type: improvement Signed-off-by: Steven Luong <sluong@cisco.com> Change-Id: I08635c715cd7361a6c359b90890dd3545b0da94c
Diffstat (limited to 'src/vnet/ip/ip_api.c')
-rw-r--r--src/vnet/ip/ip_api.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/vnet/ip/ip_api.c b/src/vnet/ip/ip_api.c
index b976eaeaa6b..d26480670b3 100644
--- a/src/vnet/ip/ip_api.c
+++ b/src/vnet/ip/ip_api.c
@@ -46,6 +46,7 @@
#include <vnet/ip/reass/ip4_full_reass.h>
#include <vnet/ip/reass/ip6_sv_reass.h>
#include <vnet/ip/reass/ip6_full_reass.h>
+#include <vnet/ip/ip_table.h>
#include <vnet/vnet_msg_enum.h>
@@ -452,10 +453,37 @@ vl_api_ip_punt_redirect_t_handler (vl_api_ip_punt_redirect_t * mp,
REPLY_MACRO (VL_API_IP_PUNT_REDIRECT_REPLY);
}
+static clib_error_t *
+call_elf_section_ip_table_callbacks (vnet_main_t * vnm, u32 table_id,
+ u32 flags,
+ _vnet_ip_table_function_list_elt_t **
+ elts)
+{
+ _vnet_ip_table_function_list_elt_t *elt;
+ vnet_ip_table_function_priority_t prio;
+ clib_error_t *error = 0;
+
+ for (prio = VNET_IP_TABLE_FUNC_PRIORITY_LOW;
+ prio <= VNET_IP_TABLE_FUNC_PRIORITY_HIGH; prio++)
+ {
+ elt = elts[prio];
+
+ while (elt)
+ {
+ error = elt->fp (vnm, table_id, flags);
+ if (error)
+ return error;
+ elt = elt->next_ip_table_function;
+ }
+ }
+ return error;
+}
+
void
ip_table_delete (fib_protocol_t fproto, u32 table_id, u8 is_api)
{
u32 fib_index, mfib_index;
+ vnet_main_t *vnm = vnet_get_main ();
/*
* ignore action on the default table - this is always present
@@ -474,6 +502,10 @@ ip_table_delete (fib_protocol_t fproto, u32 table_id, u8 is_api)
fib_index = fib_table_find (fproto, table_id);
mfib_index = mfib_table_find (fproto, table_id);
+ if ((~0 != fib_index) || (~0 != mfib_index))
+ call_elf_section_ip_table_callbacks (vnm, table_id, 0 /* is_add */ ,
+ vnm->ip_table_add_del_functions);
+
if (~0 != fib_index)
{
fib_table_unlock (fib_index, fproto,
@@ -635,6 +667,7 @@ ip_table_create (fib_protocol_t fproto,
u32 table_id, u8 is_api, const u8 * name)
{
u32 fib_index, mfib_index;
+ vnet_main_t *vnm = vnet_get_main ();
/*
* ignore action on the default table - this is always present
@@ -667,6 +700,10 @@ ip_table_create (fib_protocol_t fproto,
MFIB_SOURCE_API :
MFIB_SOURCE_CLI), name);
}
+
+ if ((~0 == fib_index) || (~0 == mfib_index))
+ call_elf_section_ip_table_callbacks (vnm, table_id, 1 /* is_add */ ,
+ vnm->ip_table_add_del_functions);
}
}