From patchwork Sun Feb 24 12:46:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aya Levin X-Patchwork-Id: 1047488 X-Patchwork-Delegate: dsahern@gmail.com Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=mellanox.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 446lG269h0z9s9L for ; Sun, 24 Feb 2019 23:47:06 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728083AbfBXMqp (ORCPT ); Sun, 24 Feb 2019 07:46:45 -0500 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:53737 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726274AbfBXMqp (ORCPT ); Sun, 24 Feb 2019 07:46:45 -0500 Received: from Internal Mail-Server by MTLPINE1 (envelope-from ayal@mellanox.com) with ESMTPS (AES256-SHA encrypted); 24 Feb 2019 14:46:42 +0200 Received: from dev-l-vrt-210.mtl.labs.mlnx (dev-l-vrt-210.mtl.labs.mlnx [10.134.210.1]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id x1OCkgTb011149; Sun, 24 Feb 2019 14:46:42 +0200 Received: from dev-l-vrt-210.mtl.labs.mlnx (localhost [127.0.0.1]) by dev-l-vrt-210.mtl.labs.mlnx (8.15.2/8.15.2/Debian-8ubuntu1) with ESMTP id x1OCkg9n029216; Sun, 24 Feb 2019 14:46:42 +0200 Received: (from ayal@localhost) by dev-l-vrt-210.mtl.labs.mlnx (8.15.2/8.15.2/Submit) id x1OCkfax029215; Sun, 24 Feb 2019 14:46:41 +0200 From: Aya Levin To: David Ahern Cc: netdev@vger.kernel.org, Jiri Pirko , Moshe Shemesh , Eran Ben Elisha , Aya Levin Subject: [PATCH v3 iproute2-next 01/11] devlink: Refactor validation of finding required arguments Date: Sun, 24 Feb 2019 14:46:08 +0200 Message-Id: <1551012378-29167-2-git-send-email-ayal@mellanox.com> X-Mailer: git-send-email 1.8.4.3 In-Reply-To: <1551012378-29167-1-git-send-email-ayal@mellanox.com> References: <1551012378-29167-1-git-send-email-ayal@mellanox.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Introducing argument's metadata structure matching a bitmap flag per required argument and an error message if missing. Using this static array to refactor validation of finding required arguments in devlink command line and to ease further maintenance. Signed-off-by: Aya Levin Reviewed-by: Moshe Shemesh Acked-by: Jiri Pirko --- devlink/devlink.c | 153 ++++++++++++++++-------------------------------------- 1 file changed, 45 insertions(+), 108 deletions(-) diff --git a/devlink/devlink.c b/devlink/devlink.c index 960cdda99b5b..71bc6239ea0b 100644 --- a/devlink/devlink.c +++ b/devlink/devlink.c @@ -39,6 +39,7 @@ #define PARAM_CMODE_RUNTIME_STR "runtime" #define PARAM_CMODE_DRIVERINIT_STR "driverinit" #define PARAM_CMODE_PERMANENT_STR "permanent" +#define DL_ARGS_REQUIRED_MAX_ERR_LEN 80 static int g_new_line_count; @@ -950,6 +951,49 @@ static int param_cmode_get(const char *cmodestr, return 0; } +struct dl_args_metadata { + uint32_t o_flag; + char err_msg[DL_ARGS_REQUIRED_MAX_ERR_LEN]; +}; + +static const struct dl_args_metadata dl_args_required[] = { + {DL_OPT_PORT_TYPE, "Port type not set."}, + {DL_OPT_PORT_COUNT, "Port split count option expected."}, + {DL_OPT_SB_POOL, "Pool index option expected."}, + {DL_OPT_SB_SIZE, "Pool size option expected."}, + {DL_OPT_SB_TYPE, "Pool type option expected."}, + {DL_OPT_SB_THTYPE, "Pool threshold type option expected."}, + {DL_OPT_SB_TH, "Threshold option expected."}, + {DL_OPT_SB_TC, "TC index option expected."}, + {DL_OPT_ESWITCH_MODE, "E-Switch mode option expected."}, + {DL_OPT_ESWITCH_INLINE_MODE, "E-Switch inline-mode option expected."}, + {DL_OPT_DPIPE_TABLE_NAME, "Dpipe table name expected."}, + {DL_OPT_DPIPE_TABLE_COUNTERS, "Dpipe table counter state expected."}, + {DL_OPT_ESWITCH_ENCAP_MODE, "E-Switch encapsulation option expected."}, + {DL_OPT_PARAM_NAME, "Parameter name expected."}, + {DL_OPT_PARAM_VALUE, "Value to set expected."}, + {DL_OPT_PARAM_CMODE, "Configuration mode expected."}, + {DL_OPT_REGION_SNAPSHOT_ID, "Region snapshot id expected."}, + {DL_OPT_REGION_ADDRESS, "Region address value expected."}, + {DL_OPT_REGION_LENGTH, "Region length value expected."}, +}; + +static int dl_args_finding_required_validate(uint32_t o_required, + uint32_t o_found) +{ + uint32_t o_flag; + int i; + + for (i = 0; i < ARRAY_SIZE(dl_args_required); i++) { + o_flag = dl_args_required[i].o_flag; + if ((o_required & o_flag) && !(o_found & o_flag)) { + pr_err("%s\n", dl_args_required[i].err_msg); + return -EINVAL; + } + } + return 0; +} + static int dl_argv_parse(struct dl *dl, uint32_t o_required, uint32_t o_optional) { @@ -1198,114 +1242,7 @@ static int dl_argv_parse(struct dl *dl, uint32_t o_required, opts->present |= DL_OPT_SB; } - if ((o_required & DL_OPT_PORT_TYPE) && !(o_found & DL_OPT_PORT_TYPE)) { - pr_err("Port type option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_PORT_COUNT) && - !(o_found & DL_OPT_PORT_COUNT)) { - pr_err("Port split count option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_SB_POOL) && !(o_found & DL_OPT_SB_POOL)) { - pr_err("Pool index option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_SB_SIZE) && !(o_found & DL_OPT_SB_SIZE)) { - pr_err("Pool size option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_SB_TYPE) && !(o_found & DL_OPT_SB_TYPE)) { - pr_err("Pool type option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_SB_THTYPE) && !(o_found & DL_OPT_SB_THTYPE)) { - pr_err("Pool threshold type option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_SB_TH) && !(o_found & DL_OPT_SB_TH)) { - pr_err("Threshold option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_SB_TC) && !(o_found & DL_OPT_SB_TC)) { - pr_err("TC index option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_ESWITCH_MODE) && - !(o_found & DL_OPT_ESWITCH_MODE)) { - pr_err("E-Switch mode option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_ESWITCH_INLINE_MODE) && - !(o_found & DL_OPT_ESWITCH_INLINE_MODE)) { - pr_err("E-Switch inline-mode option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_DPIPE_TABLE_NAME) && - !(o_found & DL_OPT_DPIPE_TABLE_NAME)) { - pr_err("Dpipe table name expected\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_DPIPE_TABLE_COUNTERS) && - !(o_found & DL_OPT_DPIPE_TABLE_COUNTERS)) { - pr_err("Dpipe table counter state expected\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_ESWITCH_ENCAP_MODE) && - !(o_found & DL_OPT_ESWITCH_ENCAP_MODE)) { - pr_err("E-Switch encapsulation option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_PARAM_NAME) && - !(o_found & DL_OPT_PARAM_NAME)) { - pr_err("Parameter name expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_PARAM_VALUE) && - !(o_found & DL_OPT_PARAM_VALUE)) { - pr_err("Value to set expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_PARAM_CMODE) && - !(o_found & DL_OPT_PARAM_CMODE)) { - pr_err("Configuration mode expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_REGION_SNAPSHOT_ID) && - !(o_found & DL_OPT_REGION_SNAPSHOT_ID)) { - pr_err("Region snapshot id expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_REGION_ADDRESS) && - !(o_found & DL_OPT_REGION_ADDRESS)) { - pr_err("Region address value expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_REGION_LENGTH) && - !(o_found & DL_OPT_REGION_LENGTH)) { - pr_err("Region length value expected.\n"); - return -EINVAL; - } - - return 0; + return dl_args_finding_required_validate(o_required, o_found); } static void dl_opts_put(struct nlmsghdr *nlh, struct dl *dl)