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authorNeale Ranns <nranns@cisco.com>2017-09-10 04:39:11 -0700
committerDamjan Marion <dmarion.lists@gmail.com>2017-09-11 10:14:36 +0000
commit1500254bee11355bbd69cc1dd9705be4f002f2bd (patch)
treec403642105f399baccb3a727020232b5732fe8f7 /src/vnet/fib/fib_table.c
parenta7191840beeb2c3a0f2598707ed1051a9f23c45f (diff)
FIB table add/delete API
part 2; - this adds the code to create an IP and MPLS table via the API. - but the enforcement that the table must be created before it is used is still missing, this is so that CSIT can pass. Change-Id: Id124d884ade6cb7da947225200e3bb193454c555 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/fib/fib_table.c')
-rw-r--r--src/vnet/fib/fib_table.c43
1 files changed, 31 insertions, 12 deletions
diff --git a/src/vnet/fib/fib_table.c b/src/vnet/fib/fib_table.c
index 6b6cc5cb99a..75d15628c26 100644
--- a/src/vnet/fib/fib_table.c
+++ b/src/vnet/fib/fib_table.c
@@ -1039,7 +1039,8 @@ fib_table_find (fib_protocol_t proto,
u32
fib_table_find_or_create_and_lock (fib_protocol_t proto,
- u32 table_id)
+ u32 table_id,
+ fib_source_t src)
{
fib_table_t *fib_table;
fib_node_index_t fi;
@@ -1047,13 +1048,13 @@ fib_table_find_or_create_and_lock (fib_protocol_t proto,
switch (proto)
{
case FIB_PROTOCOL_IP4:
- fi = ip4_fib_table_find_or_create_and_lock(table_id);
+ fi = ip4_fib_table_find_or_create_and_lock(table_id, src);
break;
case FIB_PROTOCOL_IP6:
- fi = ip6_fib_table_find_or_create_and_lock(table_id);
+ fi = ip6_fib_table_find_or_create_and_lock(table_id, src);
break;
case FIB_PROTOCOL_MPLS:
- fi = mpls_fib_table_find_or_create_and_lock(table_id);
+ fi = mpls_fib_table_find_or_create_and_lock(table_id, src);
break;
default:
return (~0);
@@ -1070,6 +1071,7 @@ fib_table_find_or_create_and_lock (fib_protocol_t proto,
u32
fib_table_create_and_lock (fib_protocol_t proto,
+ fib_source_t src,
const char *const fmt,
...)
{
@@ -1082,13 +1084,13 @@ fib_table_create_and_lock (fib_protocol_t proto,
switch (proto)
{
case FIB_PROTOCOL_IP4:
- fi = ip4_fib_table_create_and_lock();
+ fi = ip4_fib_table_create_and_lock(src);
break;
case FIB_PROTOCOL_IP6:
- fi = ip6_fib_table_create_and_lock();
+ fi = ip6_fib_table_create_and_lock(src);
break;
case FIB_PROTOCOL_MPLS:
- fi = mpls_fib_table_create_and_lock();
+ fi = mpls_fib_table_create_and_lock(src);
break;
default:
return (~0);
@@ -1143,26 +1145,43 @@ fib_table_walk (u32 fib_index,
void
fib_table_unlock (u32 fib_index,
- fib_protocol_t proto)
+ fib_protocol_t proto,
+ fib_source_t source)
{
fib_table_t *fib_table;
fib_table = fib_table_get(fib_index, proto);
- fib_table->ft_locks--;
+ fib_table->ft_locks[source]--;
+ fib_table->ft_locks[FIB_TABLE_TOTAL_LOCKS]--;
- if (0 == fib_table->ft_locks)
+ if (0 == fib_table->ft_locks[source])
{
+ /*
+ * The source no longer needs the table. flush any routes
+ * from it just in case
+ */
+ fib_table_flush(fib_index, proto, source);
+ }
+
+ if (0 == fib_table->ft_locks[FIB_TABLE_TOTAL_LOCKS])
+ {
+ /*
+ * no more locak from any source - kill it
+ */
fib_table_destroy(fib_table);
}
}
+
void
fib_table_lock (u32 fib_index,
- fib_protocol_t proto)
+ fib_protocol_t proto,
+ fib_source_t source)
{
fib_table_t *fib_table;
fib_table = fib_table_get(fib_index, proto);
- fib_table->ft_locks++;
+ fib_table->ft_locks[source]++;
+ fib_table->ft_locks[FIB_TABLE_TOTAL_LOCKS]++;
}
u32