crypto: add support for AEAD and AES-GCM

[vpp.git] / src / vnet / crypto / cli.c

diff --git a/src/vnet/crypto/cli.c b/src/vnet/crypto/cli.c
index d93577e..4b0e093 100644 (file)
--- a/src/vnet/crypto/cli.c
+++ b/src/vnet/crypto/cli.c
@@ -53,33 +53,58 @@ VLIB_CLI_COMMAND (show_crypto_engines_command, static) =
   .function = show_crypto_engines_command_fn,
 };
 
-static clib_error_t *
-show_crypto_handlers_command_fn (vlib_main_t * vm,
-                       unformat_input_t * input, vlib_cli_command_t * cmd)
+static u8 *
+format_vnet_crypto_handlers (u8 * s, va_list * args)
 {
+  vnet_crypto_alg_t alg = va_arg (*args, vnet_crypto_alg_t);
   vnet_crypto_main_t *cm = &crypto_main;
-  unformat_input_t _line_input, *line_input = &_line_input;
-  u8 *s = 0;
-
-  if (unformat_user (input, unformat_line_input, line_input))
-    unformat_free (line_input);
+  vnet_crypto_alg_data_t *d = vec_elt_at_index (cm->algs, alg);
+  u32 indent = format_get_indent (s);
+  int i, first = 1;
 
-  vlib_cli_output (vm, "%-40s%-20s%s", "Name", "Active", "Candidates");
-  for (int i = 1; i < VNET_CRYPTO_N_OP_TYPES; i++)
+  for (i = 0; i < VNET_CRYPTO_OP_N_TYPES; i++)
     {
-      vnet_crypto_op_type_data_t *otd = cm->opt_data + i;
+      vnet_crypto_op_data_t *od;
       vnet_crypto_engine_t *e;
+      vnet_crypto_op_id_t id = d->op_by_type[i];
+
+      if (id == 0)
+       continue;
+
+      od = vec_elt_at_index (cm->opt_data, id);
+      if (first == 0)
+        s = format (s, "\n%U", format_white_space, indent);
+      s = format (s, "%-20U%-20U", format_vnet_crypto_op_type, od->type,
+                 format_vnet_crypto_engine, od->active_engine_index,s);
 
-      vec_reset_length (s);
       vec_foreach (e, cm->engines)
        {
-         if (e->ops_handlers[i] != 0)
+         if (e->ops_handlers[id] != 0)
            s = format (s, "%U ", format_vnet_crypto_engine, e - cm->engines);
        }
-      vlib_cli_output (vm, "%-40U%-20U%v", format_vnet_crypto_op, i,
-                      format_vnet_crypto_engine, otd->active_engine_index,s);
+      first = 0;
     }
-  vec_free (s);
+  return s;
+}
+
+
+static clib_error_t *
+show_crypto_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, "%-20s%-20s%-20s%s", "Algo", "Type", "Active",
+                  "Candidates");
+
+  for (i = 0; i < VNET_CRYPTO_N_ALGS; i++)
+    vlib_cli_output (vm, "%-20U%U", format_vnet_crypto_alg, i,
+                    format_vnet_crypto_handlers, i);
+
   return 0;
 }
 
@@ -92,6 +117,89 @@ VLIB_CLI_COMMAND (show_crypto_handlers_command, static) =
 };
 /* *INDENT-ON* */
 
+static clib_error_t *
+set_crypto_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->alg_index_by_name,
+      ({
+        (void) value;
+        rc += vnet_crypto_set_handler (key, engine);
+      }));
+      /* *INDENT-ON* */
+
+      if (rc)
+       vlib_cli_output (vm, "failed to set crypto engine!");
+    }
+  else
+    {
+      vec_foreach (arg, args)
+      {
+       rc = vnet_crypto_set_handler (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_handler_command, static) =
+{
+  .path = "set crypto handler",
+  .short_help = "set crypto handler cipher [cipher2 cipher3 ...] engine",
+  .function = set_crypto_handler_command_fn,
+};
+/* *INDENT-ON* */
+
 /*
  * fd.io coding-style-patch-verification: ON
  *