From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id C0999CD5BD5 for ; Wed, 27 May 2026 13:04:24 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 198C840674; Wed, 27 May 2026 15:03:44 +0200 (CEST) Received: from smtpbgsg1.qq.com (smtpbgsg1.qq.com [54.254.200.92]) by mails.dpdk.org (Postfix) with ESMTP id 3208040A75; Wed, 27 May 2026 15:03:42 +0200 (CEST) X-QQ-mid: esmtpsz19t1779887015tfbe81b6c X-QQ-Originating-IP: mb/7kgdRaav6hWHXpOUc2Sr9S8K03ExzNi/YvjOGxhA= Received: from DSK-zaiyuwang.trustnetic.com ( [122.231.28.113]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 27 May 2026 21:03:33 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 1076709167170175028 EX-QQ-RecipientCnt: 5 From: Zaiyu Wang To: dev@dpdk.org Cc: Zaiyu Wang , stable@dpdk.org, Jiawen Wu , Ferruh Yigit Subject: [PATCH v5 09/21] net/txgbe: fix link flow control config for Sapphire Date: Wed, 27 May 2026 21:02:09 +0800 Message-Id: <20260527130222.24348-10-zaiyuwang@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20260527130222.24348-1-zaiyuwang@trustnetic.com> References: <20260423034024.14404-1-zaiyuwang@trustnetic.com> <20260527130222.24348-1-zaiyuwang@trustnetic.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: esmtpsz:trustnetic.com:qybglogicsvrsz:qybglogicsvrsz3b-0 X-QQ-XMAILINFO: M6KIQpYj5PeCOgBw3d4AB8pNy1o2wbyQWyXLQrSyHEngB96igxKSWnDR CQSr5jNIftCMeMwjyqPUTXDy6b3juvze5dhm3Sxy2pq2+ceK6X10O66m7aMjShLTNVPZGde kopHwiR/yUjCJ7XAGBDKrPix6W5XRnsRBNdBf2jkD2MeQ2M3LfEBuK04NVdkVV/BXUIPu4L vhlyKAStBAATMu+xiHGWZgsHmRo6gZxH1yLoxwjM0pOU0JnSAyHHIGEYGVQm+aIfSfbBSIP FUixWCxZEFvYDWiWKcdsaXpF3lh+npi810Cm8c5NGBd8DBm7nu35WH/T9PsCXSCSRCJinW4 gJ42PS95A2ZXguStqqiSURGctFKCpocu9JlzzEoPMrbQr8yWyju7GNplPYhLAwdNMOBt/Fr D37wCA3lqFO8vRvVkiO67B6gaos4fTTOrcSJoI7lHf3Ngx7XwHj+leNtf2xxWWNWOwZe0NE B7wtfjTq/rOflAmd6dlx/09YQfNBC4818gZjr/+7PXuaa+15WVBzMKAQxZdrklS/myNTeEb pjwPbY62EETK6UBw6GYbRl6Tv/T5TKS46SJS1rz9AtfJ+d5V8P6QzU7IdgdXTwpSx6XJ1gS FG8X7YczbwYJAMK0I23MqslSzT2vm+njCj7gxKcCVy/0pzJZ8WPtgigjkIp/NXrTxTx0bT3 PkHBWwzRoStUgHVEQP3PKyuRBO+1ykoqE73GoJztRbp8AMNXeP7hcqPIOgrSRqscoKtSr6M dwd3hmlkCISkHWJ1RsjhzEcoNMFWKUItaQJHdz/rAbrLWJAfwpPhZ2Ux065dgWcLqdsv/AI ZFD6TGjFSGuX6yXHi82yXj5jBu22DOmNbFbazRuB/xue8RRO8aCeXXX51voOhZCP0WqooK9 VKmR1VFTKeKLMq8xOaWg/jGCnT3lv3EN/USJvS4utzfMuRrq30n6XcoTerefkWRO5NAttW5 1X9iz668+JSlTtmFGZLB7BvlB3WHtrhhOFCgOtWeaoOJ+jUmFtWPnzTE0e/6L09PhUEqAsI 1jrgisMleQW3IXcaAYx3XZ8jqBC1lZyod5aiNW5NNUcMxmcnNFehJhHqz9TA+Cs5wnEVk4D 5xRpemqfvtP X-QQ-XMRINFO: M/715EihBoGS47X28/vv4NpnfpeBLnr4Qg== X-QQ-RECHKSPAM: 0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org SP chips have a hardware bug preventing XON flow control support, so the driver disables it. Fixes: 69ce8c8a4ce3 ("net/txgbe: support flow control") Cc: stable@dpdk.org Signed-off-by: Zaiyu Wang --- drivers/net/txgbe/base/txgbe_hw.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/txgbe/base/txgbe_hw.c b/drivers/net/txgbe/base/txgbe_hw.c index 0d3310e15c..db45c5c0ef 100644 --- a/drivers/net/txgbe/base/txgbe_hw.c +++ b/drivers/net/txgbe/base/txgbe_hw.c @@ -1037,8 +1037,10 @@ s32 txgbe_fc_enable(struct txgbe_hw *hw) for (i = 0; i < TXGBE_DCB_TC_MAX; i++) { if ((hw->fc.current_mode & txgbe_fc_tx_pause) && hw->fc.high_water[i]) { - fcrtl = TXGBE_FCWTRLO_TH(hw->fc.low_water[i]) | - TXGBE_FCWTRLO_XON; + fcrtl = TXGBE_FCWTRLO_TH(hw->fc.low_water[i]); + /* Only AML support XON */ + if (hw->mac.type == txgbe_mac_aml || hw->mac.type == txgbe_mac_aml40) + fcrtl |= TXGBE_FCWTRLO_XON; fcrth = TXGBE_FCWTRHI_TH(hw->fc.high_water[i]) | TXGBE_FCWTRHI_XOFF; } else { -- 2.21.0.windows.1