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Diffstat (limited to 'src/vnet/crypto/crypto.c')
-rw-r--r--src/vnet/crypto/crypto.c82
1 files changed, 65 insertions, 17 deletions
diff --git a/src/vnet/crypto/crypto.c b/src/vnet/crypto/crypto.c
index 288e227821b..b877d9a5f03 100644
--- a/src/vnet/crypto/crypto.c
+++ b/src/vnet/crypto/crypto.c
@@ -446,18 +446,20 @@ vnet_crypto_key_add_linked (vlib_main_t * vm,
clib_error_t *
crypto_dispatch_enable_disable (int is_enable)
{
- vlib_main_t *vm = vlib_get_main ();
- vlib_thread_main_t *tm = vlib_get_thread_main ();
- vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) "crypto-dispatch");
vnet_crypto_main_t *cm = &crypto_main;
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
u32 skip_master = vlib_num_workers () > 0, i;
- u32 state_change = 0;
- vlib_node_state_t state;
+ vlib_node_state_t state = VLIB_NODE_STATE_DISABLED;
+ u8 state_change = 0;
+ CLIB_MEMORY_STORE_BARRIER ();
if (is_enable && cm->async_refcnt > 0)
{
state_change = 1;
- state = VLIB_NODE_STATE_POLLING;
+ state =
+ cm->dispatch_mode ==
+ VNET_CRYPTO_ASYNC_DISPATCH_POLLING ? VLIB_NODE_STATE_POLLING :
+ VLIB_NODE_STATE_INTERRUPT;
}
if (!is_enable && cm->async_refcnt == 0)
@@ -468,8 +470,11 @@ crypto_dispatch_enable_disable (int is_enable)
if (state_change)
for (i = skip_master; i < tm->n_vlib_mains; i++)
- vlib_node_set_state (vlib_mains[i], node->index, state);
-
+ {
+ if (state !=
+ vlib_node_get_state (vlib_mains[i], cm->crypto_node_index))
+ vlib_node_set_state (vlib_mains[i], cm->crypto_node_index, state);
+ }
return 0;
}
@@ -553,20 +558,20 @@ vnet_crypto_register_post_node (vlib_main_t * vm, char *post_node_name)
void
vnet_crypto_request_async_mode (int is_enable)
{
- vlib_main_t *vm = vlib_get_main ();
- vlib_thread_main_t *tm = vlib_get_thread_main ();
- vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) "crypto-dispatch");
vnet_crypto_main_t *cm = &crypto_main;
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
u32 skip_master = vlib_num_workers () > 0, i;
- u32 state_change = 0;
- vlib_node_state_t state;
+ vlib_node_state_t state = VLIB_NODE_STATE_DISABLED;
+ u8 state_change = 0;
+ CLIB_MEMORY_STORE_BARRIER ();
if (is_enable && cm->async_refcnt == 0)
{
state_change = 1;
- state = VLIB_NODE_STATE_POLLING;
+ state =
+ cm->dispatch_mode == VNET_CRYPTO_ASYNC_DISPATCH_POLLING ?
+ VLIB_NODE_STATE_POLLING : VLIB_NODE_STATE_INTERRUPT;
}
-
if (!is_enable && cm->async_refcnt == 1)
{
state_change = 1;
@@ -575,7 +580,11 @@ vnet_crypto_request_async_mode (int is_enable)
if (state_change)
for (i = skip_master; i < tm->n_vlib_mains; i++)
- vlib_node_set_state (vlib_mains[i], node->index, state);
+ {
+ if (state !=
+ vlib_node_get_state (vlib_mains[i], cm->crypto_node_index))
+ vlib_node_set_state (vlib_mains[i], cm->crypto_node_index, state);
+ }
if (is_enable)
cm->async_refcnt += 1;
@@ -583,6 +592,40 @@ vnet_crypto_request_async_mode (int is_enable)
cm->async_refcnt -= 1;
}
+void
+vnet_crypto_set_async_dispatch_mode (u8 mode)
+{
+ vnet_crypto_main_t *cm = &crypto_main;
+ u32 skip_master = vlib_num_workers () > 0, i;
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
+ vlib_node_state_t state = VLIB_NODE_STATE_DISABLED;
+
+ CLIB_MEMORY_STORE_BARRIER ();
+ cm->dispatch_mode = mode;
+ if (mode == VNET_CRYPTO_ASYNC_DISPATCH_INTERRUPT)
+ {
+ state =
+ cm->async_refcnt == 0 ?
+ VLIB_NODE_STATE_DISABLED : VLIB_NODE_STATE_INTERRUPT;
+ }
+ else if (mode == VNET_CRYPTO_ASYNC_DISPATCH_POLLING)
+ {
+ state =
+ cm->async_refcnt == 0 ?
+ VLIB_NODE_STATE_DISABLED : VLIB_NODE_STATE_POLLING;
+ }
+
+ for (i = skip_master; i < tm->n_vlib_mains; i++)
+ {
+ if (state != vlib_node_get_state (vlib_mains[i], cm->crypto_node_index))
+ vlib_node_set_state (vlib_mains[i], cm->crypto_node_index, state);
+ }
+ clib_warning ("Switching dispatch mode might not work is some situations.");
+ clib_warning
+ ("Use 'show crypto async status' to verify that the nodes' states were set");
+ clib_warning ("and if not, set 'crypto async dispatch' mode again.");
+}
+
int
vnet_crypto_is_set_async_handler (vnet_crypto_async_op_id_t op)
{
@@ -663,6 +706,8 @@ vnet_crypto_init (vlib_main_t * vm)
vnet_crypto_main_t *cm = &crypto_main;
vlib_thread_main_t *tm = vlib_get_thread_main ();
vnet_crypto_thread_t *ct = 0;
+
+ cm->dispatch_mode = VNET_CRYPTO_ASYNC_DISPATCH_POLLING;
cm->engine_index_by_name = hash_create_string ( /* size */ 0,
sizeof (uword));
cm->alg_index_by_name = hash_create_string (0, sizeof (uword));
@@ -705,7 +750,10 @@ vnet_crypto_init (vlib_main_t * vm)
s);
foreach_crypto_link_async_alg
#undef _
- return 0;
+ cm->crypto_node_index =
+ vlib_get_node_by_name (vm, (u8 *) "crypto-dispatch")->index;
+
+ return 0;
}
VLIB_INIT_FUNCTION (vnet_crypto_init);