From patchwork Sat Dec 5 21:13:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Petr Machata X-Patchwork-Id: 11953517 X-Patchwork-Delegate: dsahern@gmail.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 47D4FC4361A for ; Sat, 5 Dec 2020 21:15:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1A55223108 for ; Sat, 5 Dec 2020 21:15:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727434AbgLEVPr (ORCPT ); Sat, 5 Dec 2020 16:15:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39392 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727357AbgLEVPr (ORCPT ); Sat, 5 Dec 2020 16:15:47 -0500 Received: from mout-p-103.mailbox.org (mout-p-103.mailbox.org [IPv6:2001:67c:2050::465:103]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D383C061A54 for ; Sat, 5 Dec 2020 13:14:53 -0800 (PST) Received: from smtp2.mailbox.org (smtp2.mailbox.org [80.241.60.241]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-103.mailbox.org (Postfix) with ESMTPS id 4CpMlQ5MtRzQlF7; Sat, 5 Dec 2020 22:14:26 +0100 (CET) X-Virus-Scanned: amavisd-new at heinlein-support.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pmachata.org; s=MBO0001; t=1607202864; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=yMCNDlNXt76MMhsD27mpaT7LDmRyi7eSltJuKYOFOU4=; b=ioeDe0yrKuUR2wZn9ZJ/M9cd6mktmt8x8vRH4G+sudvI6HaO+s+Wu7+aRIrPJI59wyBpTu hraetD+aC68FgGExnDiXwvnaOGwHBgrN2psxT/ZbmbA2rr2V/vV9fysY5cZoU9JvawVnbr PdXR6VFddeYkbRHrgMNRuv17iCuleg/nYECLONzBb6rOK/r4NOS0xD8puO4kcTn2pWFgMm q1TkoCW2TU1OJmd2f/mq8qTkOUC/sUN0ZJJ60SlMOkVRxrgPjT/C9cDWzQsgLxwOXhmsEX rfoLppU+gDKuMJkrmSA1jdh3GEKQbcRXmnWIJj0Cq6LUgsXEI59kb9QhS+c4yw== Received: from smtp2.mailbox.org ([80.241.60.241]) by hefe.heinlein-support.de (hefe.heinlein-support.de [91.198.250.172]) (amavisd-new, port 10030) with ESMTP id xuOyHn-UllG7; Sat, 5 Dec 2020 22:14:23 +0100 (CET) From: Petr Machata To: netdev@vger.kernel.org, dsahern@gmail.com, stephen@networkplumber.org Cc: Po.Liu@nxp.com, toke@toke.dk, dave.taht@gmail.com, edumazet@google.com, tahiliani@nitk.edu.in, leon@kernel.org, Petr Machata Subject: [PATCH iproute2-next v2 7/7] lib: Move get_size() from tc here Date: Sat, 5 Dec 2020 22:13:35 +0100 Message-Id: In-Reply-To: References: MIME-Version: 1.0 X-MBO-SPAM-Probability: ** X-Rspamd-Score: 2.10 / 15.00 / 15.00 X-Rspamd-Queue-Id: 9F7EA17A9 X-Rspamd-UID: 4518e7 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: dsahern@gmail.com The function get_size() serves for parsing of sizes using a handly notation that supports units and their prefixes, such as 10Kbit. This will be useful for the DCB buffer size parsing. Move the function from TC to the general library, so that it can be reused. Signed-off-by: Petr Machata --- include/utils.h | 1 + lib/utils.c | 35 +++++++++++++++++++++++++++++++++++ tc/tc_util.c | 35 ----------------------------------- tc/tc_util.h | 1 - 4 files changed, 36 insertions(+), 36 deletions(-) diff --git a/include/utils.h b/include/utils.h index e2073844f2ef..1704392525a2 100644 --- a/include/utils.h +++ b/include/utils.h @@ -164,6 +164,7 @@ int get_be16(__be16 *val, const char *arg, int base); int get_addr64(__u64 *ap, const char *cp); int get_rate(unsigned int *rate, const char *str); int get_rate64(__u64 *rate, const char *str); +int get_size(unsigned int *size, const char *str); int hex2mem(const char *buf, uint8_t *mem, int count); char *hexstring_n2a(const __u8 *str, int len, char *buf, int blen); diff --git a/lib/utils.c b/lib/utils.c index 1237ae40246c..de875639c608 100644 --- a/lib/utils.c +++ b/lib/utils.c @@ -592,6 +592,41 @@ int get_rate64(__u64 *rate, const char *str) return 0; } +int get_size(unsigned int *size, const char *str) +{ + double sz; + char *p; + + sz = strtod(str, &p); + if (p == str) + return -1; + + if (*p) { + if (strcasecmp(p, "kb") == 0 || strcasecmp(p, "k") == 0) + sz *= 1024; + else if (strcasecmp(p, "gb") == 0 || strcasecmp(p, "g") == 0) + sz *= 1024*1024*1024; + else if (strcasecmp(p, "gbit") == 0) + sz *= 1024*1024*1024/8; + else if (strcasecmp(p, "mb") == 0 || strcasecmp(p, "m") == 0) + sz *= 1024*1024; + else if (strcasecmp(p, "mbit") == 0) + sz *= 1024*1024/8; + else if (strcasecmp(p, "kbit") == 0) + sz *= 1024/8; + else if (strcasecmp(p, "b") != 0) + return -1; + } + + *size = sz; + + /* detect if an overflow happened */ + if (*size != floor(sz)) + return -1; + + return 0; +} + static void set_address_type(inet_prefix *addr) { switch (addr->family) { diff --git a/tc/tc_util.c b/tc/tc_util.c index 3a133ad84ff9..48065897cee7 100644 --- a/tc/tc_util.c +++ b/tc/tc_util.c @@ -258,41 +258,6 @@ char *sprint_ticks(__u32 ticks, char *buf) return sprint_time(tc_core_tick2time(ticks), buf); } -int get_size(unsigned int *size, const char *str) -{ - double sz; - char *p; - - sz = strtod(str, &p); - if (p == str) - return -1; - - if (*p) { - if (strcasecmp(p, "kb") == 0 || strcasecmp(p, "k") == 0) - sz *= 1024; - else if (strcasecmp(p, "gb") == 0 || strcasecmp(p, "g") == 0) - sz *= 1024*1024*1024; - else if (strcasecmp(p, "gbit") == 0) - sz *= 1024*1024*1024/8; - else if (strcasecmp(p, "mb") == 0 || strcasecmp(p, "m") == 0) - sz *= 1024*1024; - else if (strcasecmp(p, "mbit") == 0) - sz *= 1024*1024/8; - else if (strcasecmp(p, "kbit") == 0) - sz *= 1024/8; - else if (strcasecmp(p, "b") != 0) - return -1; - } - - *size = sz; - - /* detect if an overflow happened */ - if (*size != floor(sz)) - return -1; - - return 0; -} - int get_size_and_cell(unsigned int *size, int *cell_log, char *str) { char *slash = strchr(str, '/'); diff --git a/tc/tc_util.h b/tc/tc_util.h index 675fb34269f6..b197bcdd7b80 100644 --- a/tc/tc_util.h +++ b/tc/tc_util.h @@ -78,7 +78,6 @@ struct filter_util *get_filter_kind(const char *str); int get_qdisc_handle(__u32 *h, const char *str); int get_percent_rate(unsigned int *rate, const char *str, const char *dev); int get_percent_rate64(__u64 *rate, const char *str, const char *dev); -int get_size(unsigned int *size, const char *str); int get_size_and_cell(unsigned int *size, int *cell_log, char *str); int get_linklayer(unsigned int *val, const char *arg);