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 5329146892 for ; Fri, 6 Jun 2025 10:01:56 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id D96D34065D; Fri, 6 Jun 2025 10:01:55 +0200 (CEST) Received: from smtpbgsg2.qq.com (smtpbgsg2.qq.com [54.254.200.128]) by mails.dpdk.org (Postfix) with ESMTP id 7C7FE400EF; Fri, 6 Jun 2025 10:01:52 +0200 (CEST) X-QQ-mid: zesmtpsz2t1749196909t39dd3cce X-QQ-Originating-IP: YVBLwCHLWPZYYhO/eNK4cmHOAYYHWGITf2n8n+cJcxM= Received: from w-MS-7E16.trustnetic.com ( [220.184.249.46]) by bizesmtp.qq.com (ESMTP) with id ; Fri, 06 Jun 2025 16:01:48 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 11447980262828416302 EX-QQ-RecipientCnt: 4 From: Jiawen Wu To: dev@dpdk.org Cc: zaiyuwang@trustnetic.com, Jiawen Wu , stable@dpdk.org Subject: [PATCH 03/12] net/txgbe: fix reserved extra FDIR headroom Date: Fri, 6 Jun 2025 16:01:08 +0800 Message-ID: <8D9A900CA63A7BF3+20250606080117.183198-4-jiawenwu@trustnetic.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250606080117.183198-1-jiawenwu@trustnetic.com> References: <20250606080117.183198-1-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: NUs1L0yK405kgaITn34gTgZs72p11Hl0vU0QlTfIh/x0h3LGGdXUOJwa BVftax7bpp4mvdkVWhJtNYXF+p6h7iM+F4/2D0fwOCFvkOjViwem5bM6/iXpvrW9JBLieX3 KJiIEuff5gLWBjlhHQWfDun363TYV8DRsyoeNOQw3E/ywWo606hQirO8FK3vFDnszAmL2c6 vcUOmHoyylIVjmdPEcgMhYmcI8IpkukSKc/mJqOctsWZBSwuTgxwZT24XFMRqdFV4hfpINs MDtiz5Q1p07MxRQDt3VaG/xRoIZH0DHJ/AEED7Ig3rcZfF6Iw4yZovYMvaTTg6+Wgkkz3tg uOwhKYU1qCFkuI+rdIS3/uYu7Pm1OTyVHfk0g+dwxT83Nsw2QNj6PVTqxH2wBqU/LntBLU+ vYanRQrx2dabZIVNRYQCXxoPtRkBf0QRT9yfmrtoTcMGutPK3nN3uQ1f+2v6dWBWhZCuqaq QAWhMddjMEjQ/48Z3TdEfaX3pPQXp1biH5HDwWhW9mJbdAGqlSWIwN4hEyJ4K0izrO9ReJR MVFGhUXWBpi16nY1LBkSrU7mKKKx6NidHOd0R4g/cPhr6WixC4atNTTstVgX76UA45mGS9S zl5cyfH3fTIKzqAoG8QsK/zGdv30eGd0yaDpQtcwZkcPpPY0o4t/8vAQJmfaU5jR8grXV0d Q9T2x0C5Mjm02ff5umwXs6eBU+Kj2sgDrG366w5FMbfB8SIv6NS2AqGtb0OSRi/ODFI/X6k qIeFH8gO+L0x101ygjegg+kkEHTq5qvwqMwbevZnZutNQroqO+Ky/g00jw29ATSRa+cdUfO t2lAiCBCyQjHTxm5RDFD08B4JkOPz+2tXQDEYIwkpRNc/X6qlxAHTPMTVBAI5AU2oz3n1Md eZYYQAVkB2CjDLMWN/Q2wiL79lQUOFTbqyRd9aT05IberQSySRy/fdCbeMxyP2KIhgI9L23 GYJr8vb4qxloAIFeKjOQU0+vsMdLqhIDz8BXUjG8amBe3TI5kmwUYNDSweqrfVkgXXFSsTj X0gXdze7py9V2Z7WtqbrnCvpU4+Upcpbs1xk2RgQ== X-QQ-XMRINFO: NS+P29fieYNw95Bth2bWPxk= 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