crypto: introduce async crypto infra

Type: feature

Signed-off-by: Damjan Marion <damarion@cisco.com>
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
Signed-off-by: Piotr Bronowski <piotrx.bronowski@intel.com>
Signed-off-by: Dariusz Kazimierski <dariuszx.kazimierski@intel.com>
Signed-off-by: Piotr Kleski <piotrx.kleski@intel.com>
Change-Id: I4c3fcccf55c36842b7b48aed260fef2802b5c54b

1 files changed, 178 insertions, 17 deletions

diff --git a/src/vnet/crypto/cli.c b/src/vnet/crypto/cli.c
index c3383692757..f6778930ef7 100644
--- a/src/vnet/crypto/cli.c
+++ b/src/vnet/crypto/cli.c
@@ -58,26 +58,45 @@ format_vnet_crypto_engine_candidates (u8 * s, va_list * args)
 {
   vnet_crypto_engine_t *e;
   vnet_crypto_main_t *cm = &crypto_main;
-
-  vnet_crypto_op_id_t id = va_arg (*args, vnet_crypto_op_id_t);
+  u32 id = va_arg (*args, u32);
   u32 ei = va_arg (*args, u32);
   int is_chained = va_arg (*args, int);
+  int is_async = va_arg (*args, int);
 
-  vec_foreach (e, cm->engines)
+  if (is_async)
     {
-      void * h = is_chained ? (void *) e->chained_ops_handlers[id]
-        : (void *) e->ops_handlers[id];
-
-      if (h)
-        {
-          s = format (s, "%U", format_vnet_crypto_engine, e - cm->engines);
-          if (ei == e - cm->engines)
-            s = format (s, "%c ", '*');
-          else
-            s = format (s, " ");
-        }
+      vec_foreach (e, cm->engines)
+	{
+	  if (e->enqueue_handlers[id] && e->dequeue_handlers[id])
+	    {
+	      s = format (s, "%U", format_vnet_crypto_engine, e - cm->engines);
+	      if (ei == e - cm->engines)
+		s = format (s, "%c ", '*');
+	      else
+		s = format (s, " ");
+	    }
+	}
+
+      return s;
+    }
+  else
+    {
+      vec_foreach (e, cm->engines)
+	{
+	  void * h = is_chained ? (void *) e->chained_ops_handlers[id]
+	    : (void *) e->ops_handlers[id];
+
+	  if (h)
+	    {
+	      s = format (s, "%U", format_vnet_crypto_engine, e - cm->engines);
+	      if (ei == e - cm->engines)
+		s = format (s, "%c ", '*');
+	      else
+		s = format (s, " ");
+	    }
+	}
+      return s;
     }
-  return s;
 }
 
 static u8 *
@@ -103,9 +122,9 @@ format_vnet_crypto_handlers (u8 * s, va_list * args)
       s = format (s, "%-16U", format_vnet_crypto_op_type, od->type);
 
       s = format (s, "%-28U", format_vnet_crypto_engine_candidates, id,
-          od->active_engine_index_simple, 0);
+          od->active_engine_index_simple, 0, 0);
       s = format (s, "%U", format_vnet_crypto_engine_candidates, id,
-          od->active_engine_index_chained, 1);
+          od->active_engine_index_chained, 1, 0);
       first = 0;
     }
   return s;
@@ -232,6 +251,148 @@ VLIB_CLI_COMMAND (set_crypto_handler_command, static) =
 };
 /* *INDENT-ON* */
 
+static u8 *
+format_vnet_crypto_async_handlers (u8 * s, va_list * args)
+{
+  vnet_crypto_async_alg_t alg = va_arg (*args, vnet_crypto_async_alg_t);
+  vnet_crypto_main_t *cm = &crypto_main;
+  vnet_crypto_async_alg_data_t *d = vec_elt_at_index (cm->async_algs, alg);
+  u32 indent = format_get_indent (s);
+  int i, first = 1;
+
+  for (i = 0; i < VNET_CRYPTO_ASYNC_OP_N_TYPES; i++)
+    {
+      vnet_crypto_async_op_data_t *od;
+      vnet_crypto_async_op_id_t id = d->op_by_type[i];
+
+      if (id == 0)
+	continue;
+
+      od = cm->async_opt_data + id;
+      if (first == 0)
+	s = format (s, "\n%U", format_white_space, indent);
+      s = format (s, "%-16U", format_vnet_crypto_async_op_type, od->type);
+
+      s = format (s, "%U", format_vnet_crypto_engine_candidates, id,
+		  od->active_engine_index_async, 0, 1);
+      first = 0;
+    }
+  return s;
+}
+
+static clib_error_t *
+show_crypto_async_handlers_command_fn (vlib_main_t * vm,
+				       unformat_input_t * input,
+				       vlib_cli_command_t * cmd)
+{
+  unformat_input_t _line_input, *line_input = &_line_input;
+  int i;
+
+  if (unformat_user (input, unformat_line_input, line_input))
+    unformat_free (line_input);
+
+  vlib_cli_output (vm, "%-28s%-16s%s", "Algo", "Type", "Handler");
+
+  for (i = 0; i < VNET_CRYPTO_N_ASYNC_ALGS; i++)
+    vlib_cli_output (vm, "%-28U%U", format_vnet_crypto_async_alg, i,
+		     format_vnet_crypto_async_handlers, i);
+
+  return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_crypto_async_handlers_command, static) =
+{
+  .path = "show crypto async handlers",
+  .short_help = "show crypto async handlers",
+  .function = show_crypto_async_handlers_command_fn,
+};
+/* *INDENT-ON* */
+
+
+static clib_error_t *
+set_crypto_async_handler_command_fn (vlib_main_t * vm,
+				     unformat_input_t * input,
+				     vlib_cli_command_t * cmd)
+{
+  unformat_input_t _line_input, *line_input = &_line_input;
+  vnet_crypto_main_t *cm = &crypto_main;
+  int rc = 0;
+  char **args = 0, *s, **arg, *engine = 0;
+  int all = 0;
+  clib_error_t *error = 0;
+
+  if (!unformat_user (input, unformat_line_input, line_input))
+    return 0;
+
+  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (line_input, "all"))
+	all = 1;
+      else if (unformat (line_input, "%s", &s))
+	vec_add1 (args, s);
+      else
+	{
+	  error = clib_error_return (0, "invalid params");
+	  goto done;
+	}
+    }
+
+  if ((vec_len (args) < 2 && !all) || (vec_len (args) == 0 && all))
+    {
+      error = clib_error_return (0, "missing cipher or engine!");
+      goto done;
+    }
+
+  engine = vec_elt_at_index (args, vec_len (args) - 1)[0];
+  vec_del1 (args, vec_len (args) - 1);
+
+  if (all)
+    {
+      char *key;
+      u8 *value;
+
+      /* *INDENT-OFF* */
+      hash_foreach_mem (key, value, cm->async_alg_index_by_name,
+      ({
+        (void) value;
+        rc += vnet_crypto_set_async_handler2 (key, engine);
+      }));
+      /* *INDENT-ON* */
+
+      if (rc)
+	vlib_cli_output (vm, "failed to set crypto engine!");
+    }
+  else
+    {
+      vec_foreach (arg, args)
+      {
+	rc = vnet_crypto_set_async_handler2 (arg[0], engine);
+	if (rc)
+	  {
+	    vlib_cli_output (vm, "failed to set engine %s for %s!",
+			     engine, arg[0]);
+	  }
+      }
+    }
+
+done:
+  vec_free (engine);
+  vec_foreach (arg, args) vec_free (arg[0]);
+  vec_free (args);
+  unformat_free (line_input);
+  return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (set_crypto_async_handler_command, static) =
+{
+  .path = "set crypto async handler",
+  .short_help = "set crypto async handler type [type2 type3 ...] engine",
+  .function = set_crypto_async_handler_command_fn,
+};
+/* *INDENT-ON* */
+
 /*
  * fd.io coding-style-patch-verification: ON
  *