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 84138468ED for ; Fri, 13 Jun 2025 10:42:42 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 70B0142EEE; Fri, 13 Jun 2025 10:42:36 +0200 (CEST) Received: from smtpbgeu2.qq.com (smtpbgeu2.qq.com [18.194.254.142]) by mails.dpdk.org (Postfix) with ESMTP id 6630142EAB; Fri, 13 Jun 2025 10:42:31 +0200 (CEST) X-QQ-mid: esmtpsz18t1749804149t06a79eac X-QQ-Originating-IP: 77E0UVksIogFspcuhXis+0DcoM/JvBvuAcKIhBwaOpU= Received: from lap-jiawenwu.trustnetic.com ( [36.20.60.58]) by bizesmtp.qq.com (ESMTP) with id ; Fri, 13 Jun 2025 16:42:28 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 7980477468027955435 EX-QQ-RecipientCnt: 4 From: Jiawen Wu To: dev@dpdk.org Cc: zaiyuwang@trustnetic.com, Jiawen Wu , stable@dpdk.org Subject: [PATCH v3 08/17] net/txgbe: fix reserved extra FDIR headroom Date: Fri, 13 Jun 2025 16:41:50 +0800 Message-Id: <20250613084159.22184-9-jiawenwu@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20250613084159.22184-1-jiawenwu@trustnetic.com> References: <00DEAE896AFE0D2D+20250606080117.183198-1-jiawenwu@trustnetic.com> <20250613084159.22184-1-jiawenwu@trustnetic.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: esmtpsz:trustnetic.com:qybglogicsvrgz:qybglogicsvrgz8a-1 X-QQ-XMAILINFO: MDeaZQDDejThVO8uHojW1WSK1XjfvoCp3Gp/xmOy/5/Uz5wgk8JqEEqG 7zCJ0rSEgLbBbwkSF0d2V/zQlQt5ULqcLQMQcAjke7tgs8sztRJTUG80+/cQY5WjB24ZRI1 6ctdGd47RZ1/t8b1a5cJDhMyrxnadDmO5UjgWLGFsMMTAZRX5XqaUHDMakTe/jSmnW7rGGy ke7Hsj9qFAdLALjAnaXH/Q8SYpkINXQTQp+2Et2vOdjBC51yJOjveSYwkeVgw42feDSLIgB PHIcURD05vUCTfYYBMPsVClNLhl1OTwgk7lTiC5MbJ8XJI04cRwj/NJwPPf0llu5HXx8TqH QCF1XHvGFvW3HCIRGGYjMmI7xJ6Fqv9UevoyNB6FwNiEOyMrWS6HaTLlDYtOk7/e2YcBVJc 5GTGYjum8xPy1A2TCi3EHvsIuqubk99UeeRKhJjNI6EvFrlZWo61eZdioyJeyUZPYm9bfb6 9V6saWT8nAuQLbBpgpIa7s1g7E8N3xr+K258SvsxLc6hYQnsakZQK2VdyWto7rpz8HVRTDe +VQdRSOMyI5rIB2OYfUCWnobhm8T3NYBGI9CWAvJRGzhKnbALbxcjJwUWEXPrlwgqoGLQNa 0L2Tw3q1O/9i+n2UMnfJs0He5AsKt8K9mgoDjL7OwOGO3tcjLvUHRm81qhqUuINyI2uZfw6 O5X+tqR95b3C1m9z1j8l9kfkYQuZG3OHyGEaCdDH/Iint7pNjZAvTnB+Uy7olrpZu4g5GyX xslotT3fiNPGt+UuihCJwlV9TNwLwWI4jKdkyKqwyow2gI1rVBlsP1dSl0GQ1WOVcr0maOK 9Hwhz6Iha1cRV/qCvEXfxtCONV76MO6r+qTsHTPpGxBqmC+3aAfqJAstEN8lxB4K0oN2btG RASYewTV0KpLawt8tzJsIYJcP2pZj/VwHY4qD40mZ01K0PAVtqZAoSlhzDTVpcaszFfhGv9 OxgI/Yg/7iJ8fGJSjPUdK6wNbHiCBDErq3+L1ATDM46TMEoldGXL66AlPNqoSyo9R8ry8yB duwhwanunsa+KMqCXICMRQlFW6LWl1tjKN2oFpTw== X-QQ-XMRINFO: M/715EihBoGSf6IYSX1iLFg= 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