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 30286CD98E6 for ; Wed, 17 Jun 2026 03:35:26 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B0BCD40E28; Wed, 17 Jun 2026 05:34:54 +0200 (CEST) Received: from smtpbguseast2.qq.com (smtpbguseast2.qq.com [54.204.34.130]) by mails.dpdk.org (Postfix) with ESMTP id B63DC40A7A; Wed, 17 Jun 2026 05:34:51 +0200 (CEST) X-QQ-mid: esmtpsz11t1781667281tab566cf0 X-QQ-Originating-IP: XEbKQCbbX0MfeMZQXZZLVj43Yw7tSSPFyKbULs9nlD4= Received: from DSK-zaiyuwang.trustnetic.com ( [183.157.22.210]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 17 Jun 2026 11:34:40 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 13079526783246047314 EX-QQ-RecipientCnt: 5 From: Zaiyu Wang To: dev@dpdk.org Cc: Zaiyu Wang , stable@dpdk.org, Jiawen Wu , Ferruh Yigit Subject: [PATCH v7 09/21] net/txgbe: fix link flow control config for Sapphire Date: Wed, 17 Jun 2026 11:33:47 +0800 Message-Id: <20260617033400.376-10-zaiyuwang@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20260617033400.376-1-zaiyuwang@trustnetic.com> References: <20260423034024.14404-1-zaiyuwang@trustnetic.com> <20260617033400.376-1-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: MZChPk4K8ikNSjVjB7fJYU14LlvneocepOx8/D06cIloJbH68klO1uuM hYKsjUNFLrAglkjD/CwU7ncERPzhKrKEahc2sTo7q6eoOcla5gDacgKLxvm0bP1z001o50W JnifarKpNqU+Iu4LMDsm6iqNEZCQc5q5EOMXWzuCOXavIoSl78omfYqiAIImmcTBlfrM3AK 5KNWOKjnN9lTF0ryMo/ddIbXZlM6/5pS01WUIUAgi9IyI+JDa9G3zUBhUD/o4gBBCI8PAr0 kFjunGZ7DuiSWWMXApPe3BZ8qjgdXBRSMWd1W6VaX3xtT8OirOiBfXDPpygYEwGDGMaNBRx exgi+YVBKbWRvuOJh3Dh9su7uWwYNf/4TCJxaZHPAp8cOWJBq789uU4z2u3pLhTtggoC0ia 0vOX2l8USrONnB64jJ94BxdjP8HPR7Yleo/l2GW/5tBeEqBzWaawWwqblVwGRVdh92TCjOz 9DCrVg7+EX4Z7YgN3J5v4C2q9LA4LiuPO/qcSre/dYf0dW/eOBe3g1tGGp59297tJ5RAT1i ob0EIi6bNwx8WLAjPvBGBNL5R9yZjH4uA4qfZeHWMPmdTqBwe+eWxMTgll6xSnEWeuKBDvG stIeJJFtaNREWNwqxxhtldCkQ446JkcUvDOM4tcjbdsEUVtn9QtjvCVtsI/EpLvaELpFa4S yWoRJB0ylIvOZqiBMCQJBH8QkoFxYYDGr5S1R3wGmlDL8wR1KAsXLfAeuU4zbyhWkQQhxi5 5rULXGqU1yhfKvyBcQQ42ohXXRItVRuo7OwEATgVamOhfj0fyAHO/KL4QWouM/e0XkHy6VI D4Xl3/jSfk0+tlKajS6RZHIGE2Jg3Q0M1J84RFfXxP6MlMk46OAHz5c8nOSk7VPNr0zUZ4P CdEYm/ysJCv3mdKHdVuiaV0CZVgvANNmrrd9+ND6iQ3l9eQfEh9w9qPfTe6A4YARLxrhSHC 7YQLdGBWKCZpaAKwYJyStGGiajBnG0+mfJYCM+0TbXZljmskAyoi/4Ym6SdrmukMIcf7Onc aneQKATmWHI7/nkhk8OA/u9rrb99qmvahWcUDr5P1md58naxsVzyE04K/RnB1xrM7bywBAc BvyXNtu/XzAJ6dpwoaA+hA= X-QQ-XMRINFO: Nq+8W0+stu50tPAe92KXseR0ZZmBTk3gLg== 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