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authorPing Yu <ping.yu@intel.com>2018-07-19 10:51:09 -0400
committerFlorin Coras <florin.coras@gmail.com>2018-07-19 18:32:54 +0000
commit970a0b87bb7d7d9c16acbe9ea207a7d4c81bfaee (patch)
treef35fa49873cf9f3687efdc7ae6b00c55cf9035a7 /src/plugins/tlsopenssl/tls_async.c
parent4d56e059f78b991cb19ec4e5cf4a07a5607a0642 (diff)
Add a new communication channel between VPP and openssl engine
Thus when engine buffer is full during a burst in performance tesing, this code will help VPP handle retry machansim. Change-Id: I0f9fc05d3dba8a54d34dca4c6137700d6c80f714 Signed-off-by: Ping Yu <ping.yu@intel.com>
Diffstat (limited to 'src/plugins/tlsopenssl/tls_async.c')
-rw-r--r--src/plugins/tlsopenssl/tls_async.c49
1 files changed, 34 insertions, 15 deletions
diff --git a/src/plugins/tlsopenssl/tls_async.c b/src/plugins/tlsopenssl/tls_async.c
index aec1d7dcee2..3b469b9d3c4 100644
--- a/src/plugins/tlsopenssl/tls_async.c
+++ b/src/plugins/tlsopenssl/tls_async.c
@@ -99,7 +99,7 @@ evt_pool_init (vlib_main_t * vm)
num_threads = 1 /* main thread */ + vtm->n_threads;
- TLS_DBG ("Totally there is %d thread\n", num_threads);
+ TLS_DBG (2, "Totally there is %d thread\n", num_threads);
vec_validate (om->evt_pool, num_threads - 1);
vec_validate (om->status, num_threads - 1);
@@ -115,7 +115,6 @@ evt_pool_init (vlib_main_t * vm)
}
om->polling = NULL;
- TLS_DBG ("Node disabled\n");
openssl_async_node_enable_disable (0);
return;
@@ -253,7 +252,7 @@ openssl_async_run (void *evt)
int *evt_run_tail = &om->status[thread_index].evt_run_tail;
int *evt_run_head = &om->status[thread_index].evt_run_head;
- TLS_DBG ("Set event %d to run\n", event_index);
+ TLS_DBG (2, "Set event %d to run\n", event_index);
event = openssl_evt_get_w_thread (event_index, thread_index);
@@ -271,7 +270,9 @@ openssl_async_run (void *evt)
}
*evt_run_tail = event_index;
if (*evt_run_head < 0)
- *evt_run_head = event_index;
+ {
+ *evt_run_head = event_index;
+ }
return 1;
}
@@ -303,10 +304,33 @@ vpp_add_async_pending_event (tls_ctx_t * ctx,
event->next = *evt_pending_head;
*evt_pending_head = eidx;
-
return &event->engine_callback;
}
+int
+vpp_add_async_run_event (tls_ctx_t * ctx, openssl_resume_handler * handler)
+{
+ u32 eidx;
+ openssl_evt_t *event;
+ openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
+ u32 thread_id = ctx->c_thread_index;
+
+ eidx = openssl_evt_alloc ();
+ event = openssl_evt_get (eidx);
+
+ event->ctx_index = oc->openssl_ctx_index;
+ event->status = SSL_ASYNC_PENDING;
+ event->handler = handler;
+ event->cb_args.event_index = eidx;
+ event->cb_args.thread_index = thread_id;
+ event->engine_callback.callback = openssl_async_run;
+ event->engine_callback.arg = &event->cb_args;
+
+ /* This is a retry event, and need to put to ring to make it run again */
+ return openssl_async_run (&event->cb_args);
+
+}
+
void
event_handler (void *tls_async)
{
@@ -325,7 +349,6 @@ event_handler (void *tls_async)
if (handler)
{
- TLS_DBG ("relaunch...\n");
(*handler) (ctx, tls_session);
}
@@ -349,7 +372,7 @@ dasync_polling ()
evt_pending = &om->status[thread_index].evt_pending_head;
while (*evt_pending >= 0)
{
- TLS_DBG ("polling... current head = %d\n", *evt_pending);
+ TLS_DBG (2, "polling... current head = %d\n", *evt_pending);
event = openssl_evt_get_w_thread (*evt_pending, thread_index);
*evt_pending = event->next;
if (event->status == SSL_ASYNC_PENDING)
@@ -385,7 +408,7 @@ qat_polling_config ()
NULL, NULL, 0);
*config = 1;
- TLS_DBG ("set thread %d and instance %d mapping\n", thread_index,
+ TLS_DBG (2, "set thread %d and instance %d mapping\n", thread_index,
thread_index);
}
@@ -394,14 +417,12 @@ void
qat_polling ()
{
openssl_async_t *om = &openssl_async_main;
- int ret;
+ int poll_status = 0;
if (om->start_polling)
{
qat_polling_config ();
-#define QAT_CMD_POLL (ENGINE_CMD_BASE + 1)
- ENGINE_ctrl (om->engine, QAT_CMD_POLL, 0, &ret, NULL);
- ;
+ ENGINE_ctrl_cmd (om->engine, "POLL", 0, &poll_status, NULL, 0);
}
}
@@ -462,7 +483,7 @@ tls_resume_from_crypto (int thread_index)
if (*evt_run_head >= 0)
{
event = openssl_evt_get_w_thread (*evt_run_head, thread_index);
- TLS_DBG ("event run = %d\n", *evt_run_head);
+ TLS_DBG (2, "event run = %d\n", *evt_run_head);
tls_async_do_job (*evt_run_head, thread_index);
*evt_run_head = event->next;
@@ -481,8 +502,6 @@ tls_resume_from_crypto (int thread_index)
static clib_error_t *
tls_async_init (vlib_main_t * vm)
{
-
- TLS_DBG ("Start to call tls_async_init\n");
evt_pool_init (vm);
return 0;