From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id D81D5468C4 for ; Tue, 10 Jun 2025 11:26:56 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id CCD9A42E5D; Tue, 10 Jun 2025 11:26:56 +0200 (CEST) Received: from smtpbgbr1.qq.com (smtpbgbr1.qq.com [54.207.19.206]) by mails.dpdk.org (Postfix) with ESMTP id D417B42E5D for ; Tue, 10 Jun 2025 11:26:54 +0200 (CEST) X-QQ-mid: zesmtpsz7t1749547610t9b5e5f53 X-QQ-Originating-IP: jZCtWIUSIZ3W8Aav8uQCBAi5cNIK7Pb3UXUI8P009po= Received: from lap-jiawenwu.trustnetic.com ( [36.20.60.58]) by bizesmtp.qq.com (ESMTP) with id ; Tue, 10 Jun 2025 17:26:49 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 492201881892395199 EX-QQ-RecipientCnt: 3 From: Jiawen Wu To: mengyuanlou@net-swift.com Cc: Jiawen Wu , stable@dpdk.org Subject: [PATCH 03/12] net/txgbe: fix reserved extra FDIR headroom Date: Tue, 10 Jun 2025 17:26:30 +0800 Message-Id: <20250610092639.41216-4-jiawenwu@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20250610092639.41216-1-jiawenwu@trustnetic.com> References: <20250610092639.41216-1-jiawenwu@trustnetic.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpsz:trustnetic.com:qybglogicsvrgz:qybglogicsvrgz8a-1 X-QQ-XMAILINFO: MjtcwOZJa0njO/LWXbqh0NZif6I1DntyUdLNmoqjvaTNthKV5WSyTzdP TMJ4p/nHe5lC3HAvbiK8nHrXzgG/cLvxAZRVq6RpoS8vsRghxNXjIPEjuSYbYGX4Pmm4Ag7 EA4l8HiPX3URTSBcT46YyhxcsH99UE/mspVgGTDEF7hj/EY6SIrq6Areea+SUpxeS8Oezck oD+Tco9XYzivxHTN561Yt9k+PvF+K+OwtD2F7XujgnCcp7LDIVoh8DtRRcTmahk6P8q8cqx jZA6ghbNzeyHcILfii9z4tToUf94fbo87tH55l6ZjN3i9+v/fdcqn+TGIcYLRO2lwnjuAkk TY4aV0dL17YM9ZU1DnsA66u4X8fr23o8H8GTNEnz8O53cRz+5+I6FEhqsA7fBzP2F5MNXTQ NezDnMyO/LW1NE107Z/ynGECcrypa35xDcAeuMDpB69APSukTOSFqfS6f8EqXtbt6YAlgVh KOrVHmoPmPK9TrCHJ20aeKKfkyTc00L4MG947feohNsszI5D20izFlWGpcbYloP9uS+64uV Ar0eWrrJfgBrDisgKWjnQQNbWFws9J0RHgRzTmnT31z7eSi1DDxLQ1Q1ErZp6rhRhfgOdIx f4jxgb9A5lvRd2JOBJBWjceDyh2REvvAh3Es92mVLIOm6NBV15NHgOZIiYGb0yiKUwD6kVS xY1J0yZN7fU0qzD1oFCgkza5kM69w0NFd0IG2VC0ygLxGITdJas2vzI5RIJt3CnG5XIFK2D ip5HB+FLy3vjVvkyepU9iPkcv6BuENHcOEdefyiQPSwDWmAAANSNDVNBpSIKcEqNHuaOLM9 D4QuJ1lu8TF3liE6+gs37n0KaCiKC4LKbxQD7G0D9uwzzAq7+HgrwlkPqUA2neaw3HhfyWA dzh6G3yBeHFpUGIPZl1s2yj83dwpGxorn/ZNftQeag7P6a7iJdfiG0zdRFNNBBrlic5ybhf tlTkGVcK3Fnczoc/hu5I4lhEmdC9vKaEDAl3426AATPuETTaVYwH2MXoUlg1O8c1QGLBBlb +uTbfnDA+25VlqGtP2VWN6tlmCE1sQ49INrkfdb0mlY8MjfBOKsmEFsiTiZ+BygIw/B6Kp7 MJqH23XfoGK2t/CqmD2lU9NniDusWReHwJANjabvjQECFSNCtLvY58= X-QQ-XMRINFO: MSVp+SPm3vtS1Vd6Y4Mggwc= X-QQ-RECHKSPAM: 0 X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Remove redundant 256KB FDIR headroom reservation. FDIR headroom was already allocated in txgbe_fdir_configure() when FDIR is enabled, the second reservation resulted in 256KB less available RX packet buffer than the theoretical size. Fixes: 8bdc7882f376 ("net/txgbe: support DCB") Cc: stable@dpdk.org Signed-off-by: Jiawen Wu --- drivers/net/txgbe/base/txgbe_hw.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/txgbe/base/txgbe_hw.c b/drivers/net/txgbe/base/txgbe_hw.c index ae2ad87c83..76b9ee3c0a 100644 --- a/drivers/net/txgbe/base/txgbe_hw.c +++ b/drivers/net/txgbe/base/txgbe_hw.c @@ -2106,9 +2106,7 @@ void txgbe_set_pba(struct txgbe_hw *hw, int num_pb, u32 headroom, u32 rxpktsize, txpktsize, txpbthresh; UNREFERENCED_PARAMETER(hw); - - /* Reserve headroom */ - pbsize -= headroom; + UNREFERENCED_PARAMETER(headroom); if (!num_pb) num_pb = 1; -- 2.48.1