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 38EDD468C4 for ; Tue, 10 Jun 2025 11:21:44 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 1F6B142E5D; Tue, 10 Jun 2025 11:21:44 +0200 (CEST) Received: from smtpbgsg2.qq.com (smtpbgsg2.qq.com [54.254.200.128]) by mails.dpdk.org (Postfix) with ESMTP id A5EBE42E5D for ; Tue, 10 Jun 2025 11:21:41 +0200 (CEST) X-QQ-mid: esmtpgz11t1749547297t6f824b75 X-QQ-Originating-IP: Qx8R2Dqs+64qeTuSzyI2uKxHE5Rl3r74JW6WI29wFuE= Received: from lap-jiawenwu.trustnetic.com ( [36.20.60.58]) by bizesmtp.qq.com (ESMTP) with id ; Tue, 10 Jun 2025 17:21:37 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 11707048524484970112 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 17:21:17 +0800 Message-Id: <20250610092126.51960-4-jiawenwu@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20250610092126.51960-1-jiawenwu@trustnetic.com> References: <20250610092126.51960-1-jiawenwu@trustnetic.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: esmtpgz:trustnetic.com:qybglogicsvrgz:qybglogicsvrgz8a-1 X-QQ-XMAILINFO: Mw5V7KuSxHjfNqAn2xF1V0vLsWVINO5biJh/kh1TC+FOBg7G31N6g0gl OaXel3Nycxs/V8hva8c5Z2JSupFvF4H0C8N9h7ujam5Fsvfb5hf8tkGN2ZUtcz4/FZct+Ub iwwaoaVu8LD7UnypTGElyWB8rWWNhSjbJmpyayy7m/TlD5h866swtaPwEP8pU6VIXq3sQSM tMCtUDOs1NdVR2MDJMUPq8Pj8BvnwVZfVtHo8UEvx/gB2RaJkHlprlrl26+6nxGRe/8vePd KjSQo6KFO5eBO/Bb/l63a+SIdQB8bGZXBoJ1a18usuOXBwzvTm7vyhlcetLhaWbNyHfoned ccL75zDu4lENgVg9ZzSb2bHGQUEzJRPvglwqTyjfA4QnPmFkUU30kXkqNSwqoCHlxtg44bp 0X5phXUWsu8W4Jbc8gjUdx0+vc4PBqEUXJYSslkvouK9yhKumaHxO+6XY+95CMxWpDWWJZ0 aoAP5KmtHCu2Sfhm+CM3Sj2llhpMMGRpMdoAxiGNcRcAN7iu9s3sB6J65XlhZeBoru6mRKb ziHrxpoDyWXbLQczm4UlpeZ/XUucoZBLJImsdzFTohqyOLZpt4LnpiRXgVwN97cRCFns+Ja SjRo1+bapCCfUGfnDfLgvNrFjFsQEQuO9H5oQfAzYCDxA3ADUC8IRtJRn0tQ5GinpNLz8L1 AnelT4CX33fNLsSwthKgoczqK7KbV981kPIojklCzUAOP6rOYs7MStnBlX//HhXWU8CXvZh PPb24bfWB7r1C6Zw0X0DK5hySOKJbubrOnfPJsxeijtykstPZtc5gu0d+lJDbkbguhzSyNV oMonIXJAVj/GGeXlVM3D8ZS6Jeaje28WhgVjmM/aM/T3qCXwi7f4zxVXJCUTQd1DsBFkcnP Lwoq1+RFcYg0GlB0fYIiQk/Ushp/gq+Nbaj9DUUygVvVpntAwSYTpugc6aRSCE/EgfE7xXJ Tl72JXy1sz0ZJEfknkmsqgSD8JMhYogilJ4h3RYD0u95ck87d2XCrW9zhNexBUz2QfTDPVR 6f/JOVvtVJ4vifAyCw12nhGhK4xCJ1yRrEm7q4NA== X-QQ-XMRINFO: Nq+8W0+stu50PRdwbJxPCL0= 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