From patchwork Tue Jun 11 15:51:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leyi Rong X-Patchwork-Id: 54687 X-Patchwork-Delegate: qi.z.zhang@intel.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id D38A21C54F; Tue, 11 Jun 2019 17:54:48 +0200 (CEST) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id CF13D1C4D1 for ; Tue, 11 Jun 2019 17:54:12 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Jun 2019 08:54:12 -0700 X-ExtLoop1: 1 Received: from lrong-srv-03.sh.intel.com ([10.67.119.177]) by orsmga001.jf.intel.com with ESMTP; 11 Jun 2019 08:54:11 -0700 From: Leyi Rong To: qi.z.zhang@intel.com Cc: dev@dpdk.org, Leyi Rong Date: Tue, 11 Jun 2019 23:51:43 +0800 Message-Id: <20190611155221.2703-29-leyi.rong@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190611155221.2703-1-leyi.rong@intel.com> References: <20190604054248.68510-1-leyi.rong@intel.com> <20190611155221.2703-1-leyi.rong@intel.com> Subject: [dpdk-dev] [PATCH v2 28/66] net/ice/base: add hweight32 support X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add API support for hweight32. Signed-off-by: Qi Zhang Signed-off-by: Leyi Rong --- drivers/net/ice/base/ice_osdep.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/net/ice/base/ice_osdep.h b/drivers/net/ice/base/ice_osdep.h index d2d9238c7..ede893fc9 100644 --- a/drivers/net/ice/base/ice_osdep.h +++ b/drivers/net/ice/base/ice_osdep.h @@ -267,6 +267,20 @@ ice_hweight8(u32 num) return bits; } +static inline u8 +ice_hweight32(u32 num) +{ + u8 bits = 0; + u32 i; + + for (i = 0; i < 32; i++) { + bits += (u8)(num & 0x1); + num >>= 1; + } + + return bits; +} + #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) #define DELAY(x) rte_delay_us(x) #define ice_usec_delay(x) rte_delay_us(x)